WO2006114901A1 - 薄膜積層ポリイミドフィルム及びフレキシブルプリント配線板 - Google Patents
薄膜積層ポリイミドフィルム及びフレキシブルプリント配線板 Download PDFInfo
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- WO2006114901A1 WO2006114901A1 PCT/JP2005/012623 JP2005012623W WO2006114901A1 WO 2006114901 A1 WO2006114901 A1 WO 2006114901A1 JP 2005012623 W JP2005012623 W JP 2005012623W WO 2006114901 A1 WO2006114901 A1 WO 2006114901A1
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- film
- layer
- thin film
- polyimide
- polyimide film
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- 239000010408 film Substances 0.000 claims abstract description 337
- 239000010409 thin film Substances 0.000 claims abstract description 161
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- 229910052751 metal Inorganic materials 0.000 claims description 96
- 239000002184 metal Substances 0.000 claims description 96
- 238000000034 method Methods 0.000 claims description 72
- 238000007747 plating Methods 0.000 claims description 66
- 239000004642 Polyimide Substances 0.000 claims description 55
- -1 aromatic tetracarboxylic acid Chemical class 0.000 claims description 46
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- 238000006243 chemical reaction Methods 0.000 claims description 25
- 229910052755 nonmetal Inorganic materials 0.000 claims description 21
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical group OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 claims description 18
- JVERADGGGBYHNP-UHFFFAOYSA-N 5-phenylbenzene-1,2,3,4-tetracarboxylic acid Chemical group OC(=O)C1=C(C(O)=O)C(C(=O)O)=CC(C=2C=CC=CC=2)=C1C(O)=O JVERADGGGBYHNP-UHFFFAOYSA-N 0.000 claims description 17
- HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical group C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 claims description 15
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- 238000005260 corrosion Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 235000019821 dicalcium diphosphate Nutrition 0.000 description 1
- 235000019700 dicalcium phosphate Nutrition 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- PHGMGTWRSNXLDV-UHFFFAOYSA-N diethyl furan-2,5-dicarboxylate Chemical compound CCOC(=O)C1=CC=C(C(=O)OCC)O1 PHGMGTWRSNXLDV-UHFFFAOYSA-N 0.000 description 1
- ABFDJEJZFDLFAD-UHFFFAOYSA-H digallium;triselenate Chemical compound [Ga+3].[Ga+3].[O-][Se]([O-])(=O)=O.[O-][Se]([O-])(=O)=O.[O-][Se]([O-])(=O)=O ABFDJEJZFDLFAD-UHFFFAOYSA-H 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-M dihydrogenphosphate Chemical compound OP(O)([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-M 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- DGXKDBWJDQHNCI-UHFFFAOYSA-N dioxido(oxo)titanium nickel(2+) Chemical compound [Ni++].[O-][Ti]([O-])=O DGXKDBWJDQHNCI-UHFFFAOYSA-N 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- VIUKNDFMFRTONS-UHFFFAOYSA-N distrontium;niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Sr+2].[Sr+2].[Nb+5].[Nb+5] VIUKNDFMFRTONS-UHFFFAOYSA-N 0.000 description 1
- 238000000469 dry deposition Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- LNTHITQWFMADLM-UHFFFAOYSA-M gallate Chemical compound OC1=CC(C([O-])=O)=CC(O)=C1O LNTHITQWFMADLM-UHFFFAOYSA-M 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 108010067216 glycyl-glycyl-glycine Proteins 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- DGQWDYBVPGQHSA-UHFFFAOYSA-M hydron;rubidium(1+);trioxido(oxo)-$l^{5}-arsane Chemical compound [Rb+].O[As](O)([O-])=O DGQWDYBVPGQHSA-UHFFFAOYSA-M 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- JCDAAXRCMMPNBO-UHFFFAOYSA-N iron(3+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Ti+4].[Fe+3].[Fe+3] JCDAAXRCMMPNBO-UHFFFAOYSA-N 0.000 description 1
- OOYGSFOGFJDDHP-KMCOLRRFSA-N kanamycin A sulfate Chemical group OS(O)(=O)=O.O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CN)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O[C@@H]2[C@@H]([C@@H](N)[C@H](O)[C@@H](CO)O2)O)[C@H](N)C[C@@H]1N OOYGSFOGFJDDHP-KMCOLRRFSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- 239000005001 laminate film Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229940018564 m-phenylenediamine Drugs 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 235000012245 magnesium oxide Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- BEYCFZBNRLPHEP-UHFFFAOYSA-L manganese(II) chloride dihydrate Chemical compound O.O.[Cl-].[Cl-].[Mn+2] BEYCFZBNRLPHEP-UHFFFAOYSA-L 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- DOBFTMLCEYUAQC-UHFFFAOYSA-N naphthalene-2,3,6,7-tetracarboxylic acid Chemical compound OC(=O)C1=C(C(O)=O)C=C2C=C(C(O)=O)C(C(=O)O)=CC2=C1 DOBFTMLCEYUAQC-UHFFFAOYSA-N 0.000 description 1
- YTVNOVQHSGMMOV-UHFFFAOYSA-N naphthalenetetracarboxylic dianhydride Chemical compound C1=CC(C(=O)OC2=O)=C3C2=CC=C2C(=O)OC(=O)C1=C32 YTVNOVQHSGMMOV-UHFFFAOYSA-N 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- UKDIAJWKFXFVFG-UHFFFAOYSA-N potassium;oxido(dioxo)niobium Chemical compound [K+].[O-][Nb](=O)=O UKDIAJWKFXFVFG-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- JWHOQZUREKYPBY-UHFFFAOYSA-N rubonic acid Natural products CC1(C)CCC2(CCC3(C)C(=CCC4C5(C)CCC(=O)C(C)(C)C5CC(=O)C34C)C2C1)C(=O)O JWHOQZUREKYPBY-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 150000000000 tetracarboxylic acids Chemical class 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- GZXOHHPYODFEGO-UHFFFAOYSA-N triglycine sulfate Chemical compound NCC(O)=O.NCC(O)=O.NCC(O)=O.OS(O)(=O)=O GZXOHHPYODFEGO-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/032—Organic insulating material consisting of one material
- H05K1/0346—Organic insulating material consisting of one material containing N
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/01—Dielectrics
- H05K2201/0137—Materials
- H05K2201/0154—Polyimide
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/0302—Properties and characteristics in general
- H05K2201/0317—Thin film conductor layer; Thin film passive component
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/032—Materials
- H05K2201/0326—Inorganic, non-metallic conductor, e.g. indium-tin oxide [ITO]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/06—Lamination
- H05K2203/065—Binding insulating layers without adhesive, e.g. by local heating or welding, before lamination of the whole PCB
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/18—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material
- H05K3/181—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by electroless plating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/388—Improvement of the adhesion between the insulating substrate and the metal by the use of a metallic or inorganic thin film adhesion layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31681—Next to polyester, polyamide or polyimide [e.g., alkyd, glue, or nylon, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31721—Of polyimide
Definitions
- the present invention relates to a thin film laminated polyimide film used for an electronic device, a flexible printed wiring board which is responsible for miniaturization and weight reduction of parts. More specifically, it is a thin film laminated polyimide film for flexible printed wiring boards used in TAB, COF, PGA, etc. in semiconductor packaging, etc., and a polyimide film with specific performance is used as a base film, making it conductive
- the present invention relates to a thin film laminated polyimide film characterized in that the later thin film layered polyimide film has less warping and curling. Background art
- a metal layer is formed by a dry plating method such as vacuum deposition, sputtering, ion plating, or CVD.
- Conductive (metallized) polyimide film has been proposed for flexible printed wiring boards.
- a flexible electrical circuit carrier in which a chromium-based ceramic vapor deposition layer, a copper or copper alloy vapor deposition layer, and a copper plating layer are sequentially provided on an insulating film has been proposed. No. 0).
- a copper foil is provided on the surface of the film by copper sputtering or the like to form an electrode, and this copper foil electrode is used as an external terminal.
- a flexible film capacitor in which a part of a copper foil electrode is exposed and an electrode protective cover is formed of polyimide or the like (Japanese Patent Laid-Open No. 09-0 1 7 6 9 1).
- a method for producing a metal-one film laminate comprising a metal film randomly arranged in a polymer film and then having a metal vapor deposition layer and a metal plating layer has been proposed.
- Japanese Patent Application Laid-Open No. 04-290 472 Japanese Patent Application Laid-Open No. 04-290 4712. Further, a chromium Z chromium oxide sputtering layer having a thickness of 25 to 150 angstroms and a copper sputtering layer having a thickness of less than 1 micron are provided on the electrically insulating support film, and a photoresist composition is applied to the copper layer. There has been proposed a method for producing a circuit material to be coated (Japanese Patent Laid-Open No. 62-229 3 6 8 9).
- a conventional thin film type metallized polyimide film is produced by first forming some underlying layer on the polyimide film and then forming copper, which is a good conductive material, on top of that. ing. There is no chemical bonding force between the metal layer, which is the conductive layer, and the polyimide film, which is the base material.
- the micro underlayer is cast on the surface of the base material, while copper is a metal. Adhesive strength is expressed through the underlayer by metal-metal bonding.
- the underlayer When a non-metal or metal oxide is used for the underlayer, it is difficult to remove the underlayer by etching, and it remains between the lines due to the reducing action during the electroless plating process. As a result, the metal oxide may be reduced to become a conductive metal foreign material, resulting in poor insulation between wires.
- chromium oxide often used as an underlayer is considered to be an unfavorable compound for environmental hygiene.
- metals other than copper are used for the underlayer, whether the underlayer can be removed with a copper etchant is a problem.
- Metal with better corrosion resistance than copper If 005/012623 is used, the removal of the underlying metal will be insufficient and the insulation between the wires may be reduced.
- the underlying portion In the case of an etch-shielding metal rather than copper, the underlying portion is easily over-etched, and the effective bond strength of the conductor tends to be reduced.
- the metal that remains during non-electrolytic plating in the subsequent process shows catalytic activity, and the metallic metal may be deposited between the lines, resulting in a short circuit. is there. Furthermore, there is a concern that the underlying material remaining between the wirings may deteriorate the migration resistance between the wirings.
- Biphenyltetracarboxylic dianhydride and / or pyromellitic dianhydride is used as the aromatic tetracarboxylic acid component, and p-phenylene diamine and poly- or diaminodiphenyl ether are used as the aromatic diamine component.
- Polyimide long films obtained in this way have also been proposed (Japanese Patent Laid-Open No. 09-188873).
- a polyimide benzoxazole film made of a polyimide having a benzoxazole ring in the main chain has been proposed as a long film of polyimide having a high elastic modulus (Japanese Patent Laid-Open No. 0-6 0 5 6 9 9 2). Issue gazette).
- the base film made of 005/012623 is inferior in terms of shape maintenance and stiffness compared to the base made of ceramic, and warping and distortion are difficult to produce when making electronic parts due to physical properties in the film.
- the film was likely to warp or distort.
- measures were taken to reduce the apparent warp of the film by heat treatment under stretching.
- the apparent warping of the film that is, the manifested warping of the film
- it is necessary to process at a high temperature particularly when applied as an electronic component.
- the problem was not solved. Therefore, even if the film has little apparent warpage, the film that curls when processed is likely to reduce the production yield, and it is often difficult to obtain high-quality electronic components.
- the present invention is a thin film multilayer polyimide film that uses a polyimide film that is excellent in flatness and homogeneity suitable as a base material for electronic components, and that has excellent heat resistance with little warping and curling even when subjected to high-temperature treatment.
- the purpose is to provide a film.
- a polyimide film having a curl degree of 300% or less at 300 ° C. is FPC (flexible printed wiring board), TAB tape, COF tape film, solar cell, capacitor High quality, uniform FPC (Flexible Printed Circuit Board), TAB tape, COF tape film, solar cell, capacitor, display, antireflection material can be obtained when used as a base film for displays, antireflection materials, etc.
- FPC flexible printed wiring board
- TAB tape COF tape film
- solar cell solar cell
- capacitor High quality uniform FPC (Flexible Printed Circuit Board)
- TAB tape COF tape film
- solar cell solar cell
- capacitor display
- antireflection material can be obtained when used as a base film for displays, antireflection materials, etc.
- this invention consists of the following structures.
- the polyimide film contains aromatic tetracarboxylic acids and aromatic diamines. 2005/012623 3.
- the polyimide has at least a pyromellitic acid residue as an aromatic tetracarboxylic acid residue and at least a diaminodiether residue as an aromatic diamine residue. 3.
- the above-mentioned 4 characterized in that it further has a biphenyltetracarboxylic acid residue as an aromatic tetracarboxylic acid residue, and further has a p-phenylenediamine residue as an aromatic diamine residue.
- Polyimide has at least a biphenyltetracarboxylic acid residue as an aromatic tetracarboxylic acid residue, and at least a phenyldiamine residue as an aromatic diamine residue.
- the thin film laminated polyimide fnolem described.
- the above 1 to 6 characterized in that the thin film layer is a metal thin film layer! / Y thin film laminated polyimide film.
- a flexible printed wiring board obtained by removing a part of the metal layer of the thin film laminated polyimide film according to any one of 7 to 11 above.
- a flexible printed wiring board comprising a semiconductor chip mounted on the flexible printed wiring board according to 17 above.
- a semiconductor device comprising a semiconductor chip mounted on the flexible printed wiring board according to 17 above.
- Fig. 1 is a schematic diagram showing a method for measuring the curl degree of a polyimide film
- (a) is a plan view
- (b) is a-a before (a) before hot air treatment
- (C) is a cross-sectional view indicated by aa in (a) after hot air treatment.
- the hatching in (a) is performed to distinguish the region between the test piece 1 and the aluminum ceramic plate 2.
- the thin film laminated polyimide film of the present invention has a base material film ' ⁇ and a thin film layer formed on at least one side of the base material film, and the curl degree after heat treatment at 300 ° C. for the material film.
- the first feature is that the film is composed of a polyimide film with 10% or less.
- the degree of curl of the polyimide film at 300 ° C. means the degree of deformation in the thickness direction opposite to the surface direction of the film after a predetermined heat treatment.
- 50 mm x 50 mm test piece 1 is treated with hot air at 300 ° C for 10 minutes and then on a flat surface (alumina 'ceramic plate 2).
- Test piece 1 is placed in a concave shape on 5012623, and the average value of the distance from each vertex of the test piece 1 to the plane (hl, h2, h3, h4: unit mm) is the curl amount (mm) It is a value expressed as a percentage (%) of the curl amount with respect to the distance (35.3 € mm) from each vertex of specimen 1 to the center (midpoint on the diagonal of specimen 1).
- Curl degree (%) 1 0 0 X (curl amount) / 3 5. 3 6
- the curl degree of the polyimide film after heat treatment at 300 ° C. is 10% or less, more preferably 8% or less, and further preferably 5% or less.
- an electronic component using the polyimide film according to the present invention as a base material is produced (especially, a process of soldering an electronic member to be processed at a high temperature), the distortion inherent in the film When it develops, curling occurs, causing problems such as floating of the position of the electronic member, and further hindering assembly with the housing, connector connection, etc.
- aromatic diamines Those composed of polyimides obtained by reacting aromatic tetracarboxylic acids are preferred.
- Polyimides should have at least pyromellitic acid residues as aromatic tetracarboxylic acid residues and at least diaminodiphenyl ether residues as aromatic diamine residues. Or at least a biphenyltetracarboxylic acid residue as an aromatic tetracarboxylic acid residue, and at least a phenylenediamine residue as an aromatic diamine residue, preferably an aromatic tetracanoleponic acid It may have a pyromellitic acid residue or a biphenyl tetracarboxylic acid rot group as a residue, and a diaminodiphenyl ether residue or a phenylenediamine residue as an aromatic diamine residue. . Polyimi contains other aromatic tetracarboxylic acid residues and other aromatic diamine residues other than those listed above. 2623 You can have it.
- the pyromellitic acid residue means polymido acid or polyimid obtained by reaction of a functional derivative such as pyromellitic acid, its anhydride, or a halide thereof with an aromatic diamine. This is a group derived from pyromellitic acid.
- the diaminodiphenyl ether residue refers to a diaminodiphenyl ether or a group derived from diaminodiphenyl ether in a polyimide obtained by reacting diaminodiphenyl ether or various derivatives thereof with an aromatic tetra-sulfonic acid. .
- the biphenyltetracarboxylic acid residue is a polyamido acid obtained by reacting a functional derivative such as biphenyltetracarboxylic acid, an anhydride thereof or a halide thereof with an aromatic diamine. Or a group derived from biphenyltetracarboxylic acid in polyimide.
- the phenylenediamine residue is a polyamidic acid obtained by reacting phenylenediamine or various derivatives thereof with an aromatic tetracarboxylic acid or a group derived from phenylenediamine in a polyimide.
- the other aromatic teracarboxylic acid residue and the other aromatic diamine residue both have the same meaning as described above.
- reaction is first performed in a solvent with an aromatic diamine compound. And an aromatic tetracarboxylic acid are subjected to a ring-opening polyaddition reaction to obtain an aromatic polyamic acid solution, and then a green film is formed from the aromatic polyamic acid solution, followed by high-temperature heat treatment or dehydration condensation ( Imidization).
- Aromatic polyamidic acid is a generic term for the above aromatic tetracarboxylic acids (acids, anhydrides, functional derivatives, hereinafter also referred to as aromatic tetracarboxylic acids) and aromatic diamines (diamins and diamine derivatives). (Hereinafter also referred to as an aromatic diamine) is preferably produced by reacting and polymerizing in an inert organic solvent for 1 minute to several days at a polymerization temperature of preferably 90 ° C. or less. . Aromatic tetracarboxylic acid and aromatic diamine may be added to the organic solvent as a mixture or as a solution, or an organic solvent may be added to the mixture.
- the organic solvent may dissolve some or all of the polymerization components, and preferably copolyamide. It dissolves doic acid polymer.
- Preferred solvents include N, N-dimethylformamide and N, N-dimethylacetamide.
- Other useful solvents of this type are N, N-jetylformamide and N, N-jetylacetamide.
- Other solvents that can be used include dimethyl sulfoxide, N-methyl-2-pyrrolidone, N-cyclohexyl lu 2-pyrrolidone, and the like. Solvents can be used alone or in combination with each other or with poor solvents such as benzene, benzonitrile, dioxane and the like.
- the amount of the solvent used is preferably in the range of 75 to 90% by mass of the aromatic polyamic acid solution. This is because this concentration range gives the optimum molecular weight.
- ⁇ Aromatic tetracarboxylic acid component and aromatic diamine component do not need to be used in absolute equimolar amounts. In order to adjust the molecular weight, the molar ratio of aromatic tetracarboxylic acid to aromatic diamine
- the aromatic polyamic acid solution produced as described above contains 5 to 40% by mass, preferably 10 to 25% by mass of a polyamic acid polymer.
- diaminodiphenyl lute and phenylenediamine are suitable diamines.
- diaminodiphenyl ether include 4,4, -diaminodiphenyl ether (D A D E), 3, 3, 1-diaminodiphenyl ether, and 3,4′-diaminodiphenyl ether.
- phenol diamine include p-phenylene diamine, o-phenylene diamine, m-phenylene diamine, and preferably> -phenylenediamine.
- phenol-diamines preferably p-phenylenediamine
- diaminodiphenyl ether preferably p-phenylenediamine
- other aromatic diamines may be appropriately selected and used.
- biphenyltetracarboxylic acids (biphenyltetracanolepo) are used. Acid, dianhydride Products (PMDA) and their lower alcohol esters) are preferred.
- biphenyltetracarboxylic acids 3, 3, 4, 4, 4-biphenyltetracarboxylic acids are preferred.
- biphenyltetra-norevonic acids preferably 3, 3, 4, 4, 4-biphenyltetracarboxylic acids
- pyromellitic acid preferably 3, 4, 4, 4, 4-biphenyltetracarboxylic acids
- other aromatic tetracarboxylic acids may be appropriately selected and used.
- phenylenediamines are converted to wholly aromatic diamines in the range of 50 to 100 moles 0 /.
- Aromatic diamines other than phenylenediamines are 0 to 50 mol% with respect to wholly aromatic diamines, and diamines other than the former two are 0 to 50 with respect to wholly aromatic diamines.
- mole 0/0 is preferably used.
- Piromeri' preparative acids 5 0-1 0 0 mole 0/0 relative to the total aromatic Zokute tetracarboxylic acids Biff enyl tetra Kano repo emissions acids (preferably 3, 3 ', 4, 4, over Biff enyl tetra Carboxylic anhydride) is used at 0 to 50 mol% with respect to the total aromatic tetracarboxylic acids, and aromatic tracarboxylic acids other than the former two are used at 0 to 50 mol% with respect to the total aromatic tetracarboxylic acids. May be. If these mole% ratios exceed this range, the balance as a heat-resistant polyimide film such as flexibility, rigidity, strength, elongation, elasticity, water absorption, and hygroscopic expansion coefficient is not preferable. .
- aromatic diamines and aromatic tetracarboxylic acids are not particularly limited, but examples thereof are as follows.
- aromatic diamines include 5-amino-2- (p-aminophenyl) benzoxazole, 6-amino-2- (p-aminophenyl) benzoxazole, 5-amino-2- (m-aminophenyl).
- Some or all of the hydrogen atoms on the aromatic ring in the aromatic diamine are a halogen atom, an alkyl group or alkoxyl group having 1 to 3 carbon atoms, a cyan group, or a part of hydrogen atoms of an alkyl group or an alkoxyl group, or Examples thereof include aromatic diamines substituted with halogenated alkyl groups having 1 to 3 carbon atoms or alkoxyl groups, all of which are substituted with halogen atoms.
- aromatic tetracarboxylic acids other than the above include bisphenol A bis (trimellitic acid monoester anhydride), 2,2-bis [4 (3,4-canoleboxoxyphenoxy) phenol] propanoic acid Anhydride, 3, 3, 4, 4, 4, Zeophenone tetracarboxylic dianhydride, 3, 3, 4, 4, Diphenylsulfo Z Tetracarboxylic dianhydride, 1, 4, 5, 8-Naphthalenetetracarboxylic dianhydride, 2, 3, 6, 7-Naphthalenetetracarboxylic dianhydride, 4, 4, o-sidi phthalic anhydride, 3, 3, 4, 4, 4-dimethyldiph Enylsilane tetra-force norevon dianhydride, 1, 2, 3, 4-furantetracarboxylic dianhydride, 4, 4 '—bis (3,4-dicanorepoxyphenoxy) diphenenorepropanoic acid Anhydride, 4,4 'monohex
- a polyimide 7 film is produced by forming a green film from an aromatic polyamidic acid solution, followed by high-temperature heat treatment or dehydration condensation (imidation).
- the following formula is used to calculate the imidization rate IM A on one side (A side) of the polyimide precursor film (green film) and the imidization rate II B on the other side (B side): For example, a polyimide precursor film (green film) satisfying the above relationship is produced, and then the polyimide precursor film (green film) is converted into an imide.
- the imidation ratio of the green film is measured by the following method. ⁇ Measurement method of imidization rate>
- the specific wavelength of 1 778 cm- 1 (near) is adopted, and the absorbance of the measurement surface at that wavelength is L 1778 .
- the measurement position is an arbitrary point in the longitudinal direction of the film, and is 2 points in the width direction (1/3 and 2/3 points of the width), and the measured value is the average of the two points.
- the method for producing the specific green film is not particularly limited. Examples of suitable examples include the following methods.
- the direction of volatilization of the solvent is limited to the surface in contact with air. It tends to be smaller than the imidization rate of the contact surface.
- the difference in the imidization ratio between the front and back sides of the green film is within an allowable range.
- the imidization rate of green film increases when heat energy is added more than necessary while the amount of solvent is large and the degree of freedom of the polyamic acid molecule is high.
- the amount of heat applied, the solvent volatilization rate, the difference in the amount of solvent on the front and back sides, etc. are applied to the drying conditions when a polyamic acid solution is coated on a support and dried to obtain a self-supporting green film. It is necessary to control the drying conditions while controlling the amount, and by this control, it is possible to obtain a green film in which the green film front and back surface imidization ratio and the difference are within a predetermined range.
- the difference in the imidization ratio between the front and back surfaces of these green films is preferably 5 or less, more preferably 4 or less, and even more preferably 3 or less. Furthermore, it is preferable that these imidization rates be controlled within the range of 1 to 15 on both sides. If the difference between the imidization rates on the front and back sides of the green film exceeds 5, it is potentially present. The distortion inside the film remains, curls after heat treatment at 300 ° C., and becomes a polyimide long film unsuitable for commercialization.
- the amount of residual solvent relative to the total mass of the green film after drying is controlled, and the difference between the imidization ratio of the front and back surfaces Can get the green film in the specified range 5.
- the residual solvent amount with respect to the total mass of the green film after drying is preferably 25 to 50% by mass, more preferably 35 to 50% by mass.
- the residual solvent amount is lower than 25% by mass, the imidization rate on one side of the green film is relatively high, and the difference in imidization rate between the front and back surfaces is small. As the strength and molecular weight decrease, it becomes difficult to obtain the film. On the other hand, if it exceeds 50% by mass, the self-supporting film is insufficient and the film is often difficult to transport.
- drying devices such as hot air, hot nitrogen, far infrared rays, and high-frequency induction ripening can be used.
- the following temperature control is required as drying conditions.
- Constant rate drying is a drying region where the surface of the coating consists of a free liquid surface and the volatilization of the solvent is dominated by mass transfer in the outside world. Under the drying conditions in which the coating surface is dried and solidified, and the solvent diffusion in the coating is rate-limiting, the physical property difference between the front and back is likely to appear.
- Such a preferable dry state varies depending on the type and thickness of the support, but in the temperature setting and the air flow setting, the atmospheric temperature of the coating film (green film) ⁇ above (coating film side) on the normal support is usually set. Atmospheric temperature on the opposite side (opposite side of the coating surface) Dry the coating film under the condition of 1 to 55 ° C higher.
- the direction is defined with the direction from the coating film to the support as the downward direction and the opposite as the upward direction.
- Such vertical description is made for the purpose of concisely expressing the position of the region of interest, and not for specifying the absolute direction of the coating film in actual production.
- the “atmosphere temperature on the paint film side” is the temperature in the region (usually the space) from directly above the paint film to the top 3 O mm above the paint film surface, and 5 to 3 O mm upward from the paint film.
- “Atmosphere temperature on the opposite side” is the temperature in the region (often including the support and the lower part of the support) from directly below the coating (support part) to the lower 30 mm of the coating. By measuring the temperature 5 to 3 O mm away from the coating film with a thermocouple, the ambient temperature on the opposite side can be determined.
- the ambient temperature on the opposite side is 1 to 55 ° C higher than the ambient temperature on the coating surface side, a high quality film can be obtained even if the drying temperature itself is increased and the drying speed of the coating film is increased. Can be obtained. If the ambient temperature on the opposite side is lower than the ambient temperature on the coated side, or if the difference between the ambient temperature on the coated side and the ambient temperature on the opposite side is less than 1 ° C, There is a concern that the film may be dried first to form a film that becomes a “lid,” and then the internal structure of the film may be distorted by preventing evaporation of the solvent to be evaporated from the vicinity of the support.
- the atmosphere temperature on the opposite side is not desirable for the atmosphere temperature on the opposite side to be higher than the atmosphere temperature on the coating surface side and the temperature difference to be greater than 55 ° C, which is disadvantageous in terms of equipment and economy.
- the atmosphere temperature on the opposite side is preferably 5 to 55 ° C higher, more preferably 10 to 50 ° C higher than the ambient temperature on the coating film side, more preferably 1 Increase the temperature by 5 to 45 ° C.
- the ambient temperature on the coating surface side is preferably 80 to 105 ° C, more preferably 90 to 105 ° C.
- the ambient temperature on the opposite side is preferably 85 to 105 ° C, more preferably 100 to L05 ° C.
- the effective drying length is preferably 10 to 100%, more preferably 15 to 100%. What is necessary is just to set atmospheric temperature.
- the total drying time is 10 to 90 minutes, preferably 15 to 45 minutes.
- the green film that has undergone the drying step is then subjected to an imidization step, but may be either inline or offline.
- the green film When off-line is adopted, the green film is wound up once. At this time, curling can be reduced by winding the green film on the inside of the tubular body so that the green film is inside (the support is outside).
- the “precursor film (green film)” depends on the thickness and molecular weight, but the residual solvent amount is about 50 mass. / 0 and less of the film, specifically, a coating film on the substrate a film obtained by drying, the film between the support until heated to 5 0 ° C or higher after the separation Say.
- the peeling atmosphere is already 50 ° C or higher, it means the film from immediately after peeling until it is heated to the peeling atmosphere temperature + 30 ° C or higher.
- the temperature is 30 ° C. according to the present invention.
- Polyimide long film with low curl after heat treatment can be obtained.
- the long film means a film having a length of 30 m or more, preferably 10 Om or more.
- a conventionally known imidation reaction can be appropriately used.
- the imidation reaction proceeds by subjecting it to a heat treatment (so-called thermal ring-closure method), or a ring-closing catalyst and a dehydrating agent in a polyamic acid solution.
- a heat treatment so-called thermal ring-closure method
- a chemical ring closure method in which an imidation reaction is performed by the action of the ring closure catalyst and the dehydrating agent, but the degree of curl after heat treatment at 300 ° C is 10% or less.
- the thermal ring closure method is preferred.
- the maximum heating temperature of the 12623 thermal ring closure method is exemplified by 100 to 500 ° C, and preferably 200 to 4820 ° C. If the maximum heating temperature is lower than this range, it will be difficult to close the ring sufficiently, and if it is higher than this range, deterioration will progress and the film will become brittle.
- a more preferable embodiment is a two-step heat treatment in which treatment is performed at 15500 to 2550 ° C for 3 to 20 minutes and then treated at 3500 to 500 ° C for 3 to 20 minutes.
- the condition for causing the imidization reaction to partially proceed is preferably a heat treatment for 3 to 20 minutes at 100 to 200 ° C., and a condition for causing the imidization reaction to be performed completely. Is preferably a heat treatment for 3 to 20 minutes at 200 to 400 ° C.
- the drying process and the imidization process described above are carried out by holding both ends of the film with pin tenter clips. At that time, in order to maintain the uniformity of the film, it is desirable to make the tension in the width direction and the longitudinal direction of the film as uniform as possible.
- both ends of the film can be pressed with a brush, and the pin can pierce the film uniformly.
- the brush is preferably a fibrous material that is rigid and heat resistant, and a high-strength, high-modulus monofilament can be used.
- the timing for adding the ring-closing catalyst to the polyamic acid solution is not particularly limited, and it may be added in advance before the polymerization reaction for obtaining the polyamic acid.
- Specific examples of the ring-closing catalyst include aliphatic tertiary amines such as trimethylamine and triethylamine, and heterocyclic tertiary amines such as isoquinoline, pyridine and betapicoline. At least one amine selected from tertiary amines is preferred.
- the amount of the ring-closing catalyst used per mole of polyamic acid is not particularly limited, but is preferably 0.5 to 8 moles.
- the timing of adding the dehydrating agent to the polyamic acid solution is not particularly limited, and may be added in advance before the polymerization reaction for obtaining the polyamic acid.
- dehydrating agents examples thereof include aliphatic carboxylic acid anhydrides such as acetic anhydride, propionic anhydride and butyric anhydride, and aromatic carboxylic acid anhydrides such as benzoic anhydride. Among them, acetic anhydride, benzoic anhydride or their Mixtures are preferred.
- the amount of dehydrating agent used per mole of polyamic acid is not particularly limited, but is preferably 0.1 to 4 moles. When a dehydrating agent is used, a gelation retarder such as acetylylaceton may be used in combination.
- the thickness of the polyimide long film is not particularly limited, it is usually 1 to 150 ⁇ m, preferably 3 to 50 / im in consideration of use for an electronic substrate such as a printed wiring board base substrate described later. . This thickness can be easily controlled by the coating amount when the polyamic acid solution is applied to the support and the concentration of the polyamic acid solution.
- the polyimide long film obtained by the above production method preferably has an absorption ratio that tends to be larger than the B surface. A scale film can be obtained. When winding on a tubular object with the A surface inside, it is preferable that the radius of curvature is in the range of 3 Omm to 60 Omm. If the radius of curvature exceeds this range, the curl of the polyimide long film may increase.
- the above-mentioned absorption ratio means the degree of orientation of the polyimide ring surface with respect to the film surface from the film surface (or back surface, hereinafter the same) to a depth of about 3 ⁇ .
- FT-IR measurement device: manufactured by Digi 1 ab, FT S-60 A / 896, etc.
- single reflection ATR attachment is used for go 1 dengate Mk II (SP EC AC )
- I RE is diamond
- angle of incidence is 45 °
- resolution is 4 cm— 1
- the number of integrations is 1 28.
- the measurement position is an arbitrary point in the longitudinal direction of the film, and 2 points in the width direction (1/3 and 2/3 points of the width), and the measured value is the average of the two points.
- the A plane refers to the plane with the higher absorption ratio
- the B plane refers to the plane with the lower absorption ratio.
- winding tension is preferably 10 ON or more, preferably 15 ON or more and 50 ON or less.
- the A surface is in the heel and the radius of curvature is 30 to 60 O mm, preferably 80 to 30. It is possible to adopt a method in which the winding tension is relatively large, such as O mm, and the winding tension is 10 ON or more.
- Polyimide long films are heat treated during the green film drying and imidization processes. At that time, if there are processing spots in the width direction of the film, there will be a difference in physical properties in the width direction of the film, which will cause curling.
- the present invention it is desirable to control the unevenness in the width direction of the ambient temperature in the dryer within the central temperature within ⁇ 5 ° C, preferably within ⁇ 3 ° C, and more preferably within ⁇ 2 ° C.
- the atmospheric temperature is a temperature measured with a thermocouple, a thermo-label, etc. at a position away from the surface of the support by an equal distance of 5 mm to 3 O mm.
- the distance between the detection edge in the width direction is preferably about 5 cm to 10 cm.
- a known thermocouple such as alumel chromel may be used.
- the ambient temperature on the opposite side can be set 5 to 55 ° C. higher than the ambient temperature on the coated surface side. In this case as well, it is important that the temperature on each side of the support is in the range of 5 ° C to 5 ° C.
- Center temperature measured at each detection end Is the arithmetic average value of the measured Celsius temperature, and the temperature measured at each detection end in the width direction perpendicular to the direction of travel of the support is in the range of ⁇ 5 ° C. The range is calculated based on the value.
- the polyimide long film produced under such conditions has excellent flatness at an extremely high temperature with a curl degree measured under the above conditions of 10% or less.
- the polyimide film as the substrate of the present invention it is preferable to improve the slipperiness of the film by providing fine irregularities on the film surface by adding a lubricant to the polyimide.
- inorganic or organic fine particles having an average particle size of about 0.03 to 3 / zm can be used.
- Specific examples include titanium oxide, alumina, silica, and calcium carbonate.
- Calcium phosphate calcium hydrogen phosphate, calcium pyrophosphate, magnesium oxide, calcium oxide, clay minerals and the like.
- the thin film laminated polyimide film of the present invention can be a metallized polyimide film.
- the metallized polyimide film is basically composed of a polyimide having a residue of an aromatic diamine and a residue of an aromatic tetracarboxylic acid, and has a curl degree after heat treatment of the film at 300 ° C.
- a polyimide film (IF) of 10% or less as a base material, it is composed of a base metal layer (UM) that is formed by the dry plating method and a metal thin film layer that is always formed. It consists of a conductive thin film layer (dM) and a metal thick film layer (DM) appropriately formed on the conductive thin film layer.
- the polyimide those having at least a pyromellitic acid residue and a diaminodiphenyl ether residue, or those having at least a biphenyltetracarboxylic acid residue and a phenylenediamine residue are preferable. It may have a pyromellitic acid residue, a biphenyltetracarboxylic acid residue, a diaminodiphenyl ether residue, or a phenylamine diamine residue.
- the metal thin film layer means a metal layer formed by a vacuum thin film technique such as vapor deposition or sputtering, and the metal thick film layer is formed by a thick film technique, that is, a wet plating technique or a fired thick film technique. Metal layer.
- the underlayer When forming a conductive metal layer (conductive thin film layer) on the surface of a polyimide film as a substrate, first a layer of nickel-chromium alloy sputtered as an underlayer
- the underlayer has a thickness of 20 to 20 0 00 A, preferably 4 0 to 1 0 0 ⁇ ⁇ , and more preferably 8 0 to 5 0 0 A. If the thickness of the sputtered nickel-chromium alloy layer is less than 2 OA, the adhesion to the base film is not sufficient, and if it exceeds 200 OA, the non-electricity applied after that: ⁇ Abnormal precipitation will occur remarkably.
- the chromium content in the nickel-chromium alloy is preferably 1 to 10% by mass, more preferably 2 to 8% by mass, and 3 to 6% by mass. / 0 is still preferred. If the content is less than 1 ft%, there is no effect of improving migration resistance, and if it exceeds 10% by mass, the effect of improving migration resistance is almost the same. As a result, there is a problem that the conductive layer fe is hindered and, for example, a copper residue is increased during pattern formation.
- the copper layer which is a conductive layer provided on the layer formed by sputtering of the Eckel-chromium alloy, preferably has a thickness force S 1 to 12 ⁇ m, more preferably 1 to 9 ⁇ , and even more.
- the underlayer means a metal layer that is in direct contact with the polyimide layer, and an anchor effect is obtained with an appropriate hardness, and the metal (for example, copper) constituting the metal thin film layer diffuses into the polyimide layer. It plays the role of blocking to avoid.
- a polyimide film comprising a polyimide having at least a biphenyltetracarboxylic acid carrying group and a phenylenediamine residue, and having a curl degree after heat treatment at 300 ° C. of 10% or less.
- a nickel-chromium alloy as a base metal layer is deposited by sputtering so as to have a thickness of 20 to 200 OA, and then a metal thin film layer such as copper is sputtered.
- a dry plating method such as evaporation or evaporation, and then a metal thick film layer is formed by electroplating or electroless plating, followed by heat treatment at 200 to 350 ° C. preferable.
- the surface of the polyimide film is preferably subjected to a surface treatment by plasma treatment, and this plasma is an inert gas plasma, and nitrogen gas, Ne, Ar, Kr, and Xe are used as the inert gas. It is done.
- this plasma is an inert gas plasma, and nitrogen gas, Ne, Ar, Kr, and Xe are used as the inert gas. It is done.
- the method for generating plasma and it is only necessary to introduce an inert gas into the plasma generator and generate plasma.
- the plasma treatment method and a metal layer is formed on the base film.
- the time required for the plasma treatment is not particularly limited, and is usually 1 second to 30 minutes, preferably 10 to 10 minutes.
- Frequency is typically 13.56MHz
- output is typically 5 OW to 10 O OW
- gas pressure is typically 0.01 Pa to 10 Pa
- temperature is typically 20 ° C to 250 ° C, preferably 20 ° C ⁇ 180 ° C. If the output is too high, a crack may occur on the surface of the base film. Also, if the gas pressure is too high, the smoothness of the surface of the polyimide film (electrical starting edge layer) may be reduced.
- a nickel-chromium alloy as a base metal layer is deposited on the surface-treated surface by sputtering to form a nickel layer alloy sputter layer having a thickness of 20 to 2000 mm.
- the sputtering conditions are arbitrary.
- the sputter layer of the nickel chrome alloy is formed by a method using an alloy target of nickel chrome chrome, a method of performing dual simultaneous sputtering, or sputtering of nickel, le and chrome independently, and diffusing both in a subsequent process. The method etc. can be used.
- a metal thin film layer is formed.
- the metal thin film layer is a conductive layer, and the metal thin film layer is formed by a so-called dry plating method such as a sputtering method, a vapor deposition method, an ion plating method, or a CVD method, but preferably a sputtering method or a vapor deposition method. .
- DC two-pole sputtering, high-frequency sputtering, magnetron sputtering, counter target sputtering, ECR sputtering, bias Sputtering, plasma-controlled sputtering, multi-target sputtering, etc. can be used.
- DC two-pole sputtering, high-frequency sputtering, magnetron sputtering, counter target sputtering, ECR sputtering, bias Sputtering, plasma-controlled sputtering, multi-target sputtering, etc. can be used.
- DC two-pole sputtering, high-frequency sputtering, magnetron sputtering, counter target sputtering, ECR sputtering, bias Sputtering, plasma-controlled sputtering, multi-target sputtering, etc. can be used.
- Bipolar sputtering or high frequency sputtering is preferred.
- the output f is usually 10 W to 100 00 W
- the gas pressure is usually 0.01 Pa to 10 Pa
- the temperature is generally 2 Ot to 250 ° C, preferably 20 ° C to 180 ° C.
- the deposition rate is 0.1 AZ seconds to 10 ooAZ seconds, preferably 1 A / second to 100 AZ seconds. Natsuki monthly rate is too high And there is a risk of cracks in the formed metal thin film layer. Also, if the gas pressure is too high, the adhesion may be reduced.
- the conductive layer is either a dry plating method such as sputtering or vapor deposition, and first a metal thin film layer of about 0.1 to 3 ⁇ , such as copper After forming the layer, a method of further increasing the thickness of the copper layer by wet plating such as electroplating as a metal thick film layer (thick film layer) can be preferably used.
- the metal as the base metal layer, the metal thin film layer or the metal thick film layer according to the present invention is silver, copper, gold, platinum, rhodium, nickel, aluminum, iron, chromium, and sub-! ⁇ , Tin, brass, bronze, bronze, monel, tin-lead solder, tin-copper solder, tin-silver solder, etc., or their alloys are used, but the base metal layer is nickel-chromium alloy, metal As the thin film layer and the metal thick film layer, copper is a preferred embodiment in terms of the balance between performance and economy.
- the film during vapor deposition is kept at 100 ° C. to 400 ° C., preferably 15 ° C. to 35 ° C., so that the base metal layer and the metal thin layer (for example, adhesion to a copper thin film layer becomes more robust.
- adhesion to a copper thin film layer becomes more robust.
- a part of the base alloy and the deposited metal diffuse to each other, and a region force S having a composition gradient is formed at the interface.
- an electromechanical plating or an electroless plating can be used.
- the electro plating method tr-mouth copper phosphate plating or copper sulfate plating can be preferably used.
- the metallized polyimide film which is a composite of the polyimide film and the genus obtained by the above method, is further treated at 20 to 35 ° C.
- This B treatment is preferably 220 to 330 ° C, more preferably 240 to 310 ° C.
- the substrate film has! /
- the strain and the strain generated in the process of producing the metallized polyimide film are alleviated, and the results of the present invention can be expressed more effectively.
- the durability and reliability of semiconductor packages can be improved. If it is less than 200 ° C, the effect of relaxing the strain is reduced to / J, while if it exceeds 35 ° C, the polyimide film of the base material will deteriorate, which is preferable. 5 012623 Not really.
- the metallized polyimide film of the present invention thus obtained is coated with a photoresist film on the conductive metal thin film layer and / or metal thick film layer side by a common method, dried, exposed, developed, Wiring circuit patterns are formed by etching and photoresist stripping processes, and solder resist coating and curing are performed as necessary, and electroless tinning is applied to form a flexible printed wiring board and a multilayer printed circuit board.
- a printed wiring board having a wiring board or a semiconductor chip directly mounted thereon can be obtained.
- the surface of the metal thin film layer and Z or metal thick film layer (copper layer) used in the present invention may form an inorganic coating such as a single metal or a metal oxide.
- the surface of the metal thin film layer and the metal or thick metal film layer is treated with a coupling agent (aminosilane, e.g., xysilan, etc.), sandplast treatment, holeing treatment, corona ⁇ ; You may use for.
- a metalized polyimide film using a polyimide film having specific physical properties as a base material is excellent in flatness, for example, even when processed into a printed wiring board. Not only does it have no distortion, it has not only excellent flatness maintenance but also excellent adhesion of the metal thin film layer.
- uniform lamination processing is performed even when multiple layers are formed, display drivers, high-speed computing devices, graphic controllers, high-capacity memory devices, etc. that require warping, small deformation, particularly high-density fine wiring, etc. It is useful as a substrate on which is mounted.
- metal thin film layers by sputtering, which uses a film exposed to high temperatures as a base material, or by dry plating for ion plating deposition, and a thin film forming decorative film such as aluminum. It is also useful as an aluminum ⁇ thin film-form reflective film, metal thin film multilayer antireflection film, metal thin film multilayer specific wavelength transmission film, etc.
- the thin film laminated polyimide film of the present invention is basically composed of a polyimide having aromatic di-r-mins and aromatic tetracarboxylic acids, and has a curl degree after heat treatment of 3 oo ° C.
- the non-metal thin film layer (d M) and its non-gold thin film layer are formed by the dry plating method. You may be comprised by the layer (DM) formed suitably up and down.
- polyimide those having at least a pyromellitic acid residue and a diaminodiphenyl ether residue, or those having at least a biphenyltetracarboxylic acid residue and a phenylenediamine residue are preferable, and the pyromellitic acid residue is preferred. It may have a group, biphenylwotra strength rubonic acid residue, diaminodiphenyl ether residue and phenylenediamine residue.
- the non-metallic thin film layer (d M) may be composed of multiple layers instead of a single layer, and at least one of the plurality of layers is non-metallic; Yes
- IF / non-metal layer, IFZ non-metal layer z metal layer, IF z non-metal layer non-metal metal layer, IFZ metal layer / non-metal layer Z metal layer, IFZ metal layer non-metal layer / non-metal scrap layer gold It can also take the structure of a genus layer.
- the layer (DM) to be formed may be formed by dry plating, or a method other than dry plating "" ⁇ It may be formed.
- the nonmetal in the present invention is a compound such as carbon, silicon, metal oxide or the like, an organic compound, etc., as long as these are the main components. Although it may be included, it must be formed by the dry plating method.
- non-metals include graphite, amorphous carbon, amorphous silicon, polycrystalline silicon, ln 2 0 3 , S n 0 2 , Z n 0, C d 2 S n 0 4 s ITO (In 2 0 3 obtained by addition of S n) such further Rosshieru salt, tartaric Richiumua Nmoniu arm, Rosshuru salt-based ferroelectric such as tartaric acid Richiumutariumu, dihydrogen phosphate force Riu arm, potassium Hisan'ni hydrogen, phosphate dibasic Phosphoric acid (arsenate) dihydrogen potassium salt ferroelectrics such as rubidium hydrogen, rubidium dihydrogen arsenate, cesium dihydrogen arsenate, cesium dihydrogen phosphate, barium titanate, lead titanate, niobic acid Perovskite-type ferroelectrics such as sodium, potassium niobate, sodium tantalate, potassium tantalate, and tantalum gallate,
- the layer (DM) appropriately formed on the non-metallic thin film layer in the present invention may be a coloring material, a high molecular compound, and the above-mentioned non-metal and metal, and the swelling means is also limited. It is not a thing.
- the film comprises a polyimide having at least a biphenyltetracarboxylic acid residue and a phenylenediamine residue, and the film is heat-treated at 3 O 0 ° C.
- the surface of the polyimide film with a curl degree of 10% or less is plasma-treated, and then a thin film such as a non-metal is attached by dry plating such as sputtering or vapor deposition.
- the layer (DM) formed as appropriate above and below the non-metallic thin film layer may be formed by various hands.
- the surface of the polyimide film comprising a polyimide having at least a pyromellitic acid residue and a diaminodiphenol ether residue and having a curl degree after heat treatment of 300% or less of 10% or less is plasma-treated.
- a thin film such as a nonmetal is then deposited by dry plating such as sputtering or vapor deposition, and various layers (DM) appropriately formed on the upper surface and the Z or lower surface of the nonmetallic thin film layer are formed before and after that. You may form by the means of.
- the plasma generation method and treatment method are as described above.
- the non-metallic thin film (layer) is formed by a so-called dry plating method such as a sputtering method, a vapor deposition method, an ion plating method, or a CD method, but preferably a sputtering method or a vapor deposition method.
- Sputtering method as a preferred method for forming a non-metallic thin film
- direct current bipolar sputtering high frequency sputtering, magnet opening sputtering, counter target sputtering, ECR sputtering, no sputtering.
- Plasma-controlled sputtering, multi-target sputtering, etc. can be used.
- direct current bipolar sputtering or high frequency sputtering is preferred.
- Out b is usually 1 OW ⁇ 1 0 0 OW
- gas pressure is usually 0.
- temperature is usually 20 ° C ⁇ 25 ° C, preferably 20 ° ( : ⁇ 1 80 ° C, and deposition rate f 0
- the material of the metal layer is not particularly limited, but silver, copper, gold, platinum, rhodium, nickel, aluminum, iron, zinc, tin, brass, white copper, bronze, monel, tin-lead solder, tin copper Solder, tin-silver solder, etc. are used.
- the polyimide film as a substrate is kept at 100 ° C to 400 ° C, preferably 150 ° C to 350 ° C, so that the film and the thin film Adhesion becomes more robust.
- the thin film laminated polyimide film which is a composite of the polyimide film obtained by the above method and a non-metallic thin film may be further heat-treated at 200 to 350 ° C. 220 to 330 ° C is preferable, and 240 to 310 ° C is more preferable.
- the heat treatment reduces the strain of the base film and the strain generated in the thin film formation process of the thin film laminated polyimide film, and the effect of the present invention. Can be expressed more effectively, improving quality as a functional material and improving durability and reliability. If the temperature is lower than 200 ° C, the effect of relaxing the strain becomes small. Conversely, if it exceeds 350 ° C, the polyimide film of the base material is deteriorated, which is not preferable.
- an example of a preferred embodiment is a thin film laminated polyimide film in which the nonmetallic thin film is a high dielectric layer.
- the high dielectric layer is not limited to the high dielectric layer described below.
- the high dielectric layer means a layer having a specific dielectric constant of 5 or more (preferably 7 or more, more preferably 15 or more).
- a polyimide film is plasma treated, and a nickel-chromium alloy thin film with a thickness of 15 OA and a copper thin film with a thickness of 300 OA are formed on it by a sputtering method.
- a copper plating layer of / Xm is formed as the first electrode layer.
- a titanium oxide thin film is formed as a barrier layer by a sputtering method with a thickness of 50 A, and a high dielectric layer with a thickness of 200011111 8 a. 5 S r.
- a 5 T i 0 3 thin film, a 5 OO nm thick nickel thin film and a 500 nm thick copper thin film are formed thereon, and a 4 / zm thick copper plating layer is further formed on the second electrode layer.
- An example is a capacitor made of a high dielectric layer laminated polyimide film.
- a thin film laminated polyimide film in which the non-metallic thin film is a transparent conductive layer is an example of another preferred embodiment.
- the transparent conductive layer is not limited to the transparent conductive layer described below.
- the transparent conductive layer means a layer having the characteristics that the light transmittance is 50% or more and the specific resistance is 10 4 ⁇ ⁇ cm or less.
- Specific examples of conductive metal oxides such as tin oxide, indium oxide, zinc oxide, and ITO include ITO film (transparent conductive layer) and aluminum layer formed on a polyimide film by sputtering.
- an organic layer containing poly (para-phenylene vinylene) as a luminescent material is formed on it by screen printing, and after drying, an ITO thin film is formed on it by sputtering to form a second electrode.
- a color-recording organic EL device comprising a transparent conductive layer laminated polyimide film formed by forming a fluororesin coating protective film can be mentioned.
- a thin film laminated polyimide film in which the non-metallic thin film is a photoelectric conversion layer is an example of another preferred embodiment.
- the photoelectric conversion layer is not limited to the photoelectric conversion layer described below.
- the photoelectric conversion layer means a layer having a function of converting a light stimulus into an electric signal, and is a general semiconductor, an oxide semiconductor, an organic semiconductor,
- O P C organic photoconductor
- a stainless steel layer with a thickness of 100 nm is formed on a polyimide film by sputtering, an n-type amorphous silicon layer with a thickness of 25 nm is formed, and a thickness of 500 nm
- a ⁇ -type amorphous silicon layer with a thickness of 25 ⁇ m (referred to as a silicon-based photoelectric conversion layer) is formed, and a 100 nm thick tin oxide (ITO) layer is formed.
- ITO tin oxide
- a thin film laminated polyimide film using a polyimide film having specific physical properties as a base material is excellent in flatness, for example, even when processed into a solar cell, a capacitor, a display, etc. It is t with no warpage or distortion, and it has excellent flatness as well as excellent adhesion between the film and the thin film layer.
- the measurement was performed using a micrometer (Millitron (registered trademark) 1 245 D, manufactured by Fine Reeuf).
- a 5 Omm x 50 mm film test piece was left to be concave on the plane, and the distance from each vertex of the test piece to the plane (h 1, h 2, h 3 , H4: Unit mm) is the warpage amount (mm), and is a value expressed as a percentage (%) of the warpage amount with respect to the distance from each vertex of the specimen to the center (35.36 mm). Specifically, it is calculated by the following formula.
- Warpage (mm) (h 1 + h 2 + h 3 + h 4) / 4
- Sampling of the sample piece is 2 points in both the width and length direction of the film (in principle, from the points of width 1 and 3 and 2Z 3, if not, take from the center as much as possible) 4 points in total It shall be expressed with the average value.
- TMHQ P-phenylene bis (trimellitic acid monoester anhydride)
- OD A 4,4'-diaminodiphenyl ether
- P—PDA Paraphenylene Diamine
- the abbreviation GF stands for polyimide precursor film (green film), and the abbreviation IF stands for polyimide film.
- a vessel equipped with a nitrogen inlet tube, a thermometer, and a stirring rod was purged with nitrogen, and then P-PDA was added.
- DMAC is added and completely dissolved, then B PDA is added, and P—PDA and B PDA as monomers are polymerized in DMAC at a molar ratio of 1/1, and the monomer charge concentration is 1
- the mixture was adjusted to 5 mass% and stirred at 25 ° C for 5 hours, a brown viscous polyamidic acid solution was obtained.
- Each zone has three rows of slit-shaped air outlets above and below the film, and the hot air temperature between each air outlet can be controlled in the range of plus or minus 1.5 ° C, and the air volume difference can be controlled in the range of plus or minus 3%. It is set as follows.
- the width direction is controlled to be within ⁇ 1 ° C for a width equivalent to 1.2 times the effective film width.
- the temperature 30 mm above and below the film was set as follows.
- the air volume is the total of the air volume from the outlets of each zone.
- the air volume was changed within the above range.
- the surface of the coating became dry to the touch shortly after entering the fourth zone.
- the lower temperature and air flow are set higher than the upper J to promote diffusion of the solvent in the coating film.
- thermocouple supported at a position of 1 Omm on the film at the part directly below the air outlet in the center of each zone is moated at intervals of 10 cm and must be within ⁇ 1.5 ° C. It has been confirmed.
- the polyamic acid film that became self-supporting after drying was peeled from the polyester film to obtain each green film, that is, Production Example 1, Production Example 2, and Production Example 3.
- the temperature of the peeling atmosphere was 27 ° C. In the following production examples, peeling was performed under the same conditions.
- Each green film obtained was passed through a continuous heat treatment furnace purged with nitrogen while holding both ends with a pin tenter.
- the first stage was 180 ° C for 5 minutes, and the heating rate was 4 ° C for 10 seconds.
- the temperature was raised at 2 ° C and the second stage was heated at 400 ° C for 5 minutes under the condition of 5 minutes to proceed the imidization reaction.
- each polyimide film exhibiting brown color ie, IF production example 1, IF production example 2, and IF production example 3 was obtained.
- brushes made of aromatic filament monofilament strands were provided on both ends of the film so that both ends of the film pierced evenly on the pins of the pin tenter.
- each polyimide film obtained curl degree f, 25 / in, 1.8% in IF production example 1, 25.l / zm in IF production example 2, 3.8 °, 25 in 1 production example 111, 6.5%.
- the obtained green film was passed through a continuous heat treatment furnace purged with nitrogen, and the first stage was heated at 1800 ° C for 3 minutes and the heating rate was 4 ° C / sec. The second stage was 460 ° The imidation reaction was allowed to proceed by two-stage heating at C for 2 minutes. Then, it cooled to room temperature in 5 minutes, and obtained each polyimide film which has the thickness of 25 micrometers which exhibits brown, ie, IF manufacture example 4, IF manufacture example 5, and IF manufacture example 6.
- the thickness and curl degree of each polyimide film obtained were 25 zm, 4.5% in IF Production Example 4, 25.l / zm, 5.8%, 1 to Production Example 6 in IF Production Example 5. 25/1 111 and 8.5%.
- the length of each zone is the same, and the total drying time is 9 minutes.
- the air volume is the total of the air volume from the outlets of each zone.
- Production Example 7, Production Example 8, and Production Example 9 the air volume was changed within the above range.
- the surface of the coating film reaches a dry-to-touch state at the center of the second zone, and thereafter drying at a reduced rate is performed.
- the polyamic acid film that became self-supporting after drying was peeled off from the stainless steel belt to obtain three types of green films, that is, Production Example 7, Production Example 8, and Production Example 9.
- Each green film obtained was passed through a continuous heat treatment furnace purged with nitrogen while holding both ends with a pin tenter, and the first stage was heated at 180 ° C for 5 minutes and heated at a heating rate of 4 seconds. Then, as the second stage, two-stage heating was performed at 400 ° C for 5 minutes to proceed with the imidation reaction. After that, by cooling to room temperature in 5 minutes, each polyimide film exhibiting a brown color, IF Production Example 7, IF Production Example 8, and IF Production Example 9 were obtained. Thickness of each obtained polyimide film The degree of curl is 25 ⁇ , 10.5% in IF Production Example 7, 25.1 ⁇ m in IF Production Example 8, 13.1% s 25 Atm, 20.5% in IF Production Example 7. there were.
- the setting of the drying oven is as follows. In the drying conditions, the temperature is 3 Omm above and below the film.
- the air volume is the sum of the air volumes from the outlets of each zone, and production example 10, production example 11 and production example 12 were changed within the above ranges.
- the surface of the coating reached the dry touch shortly after entering the fourth zone, and since then, the drying has progressed in a decelerating manner.
- the lower temperature and air volume are set higher than the upper one to promote the diffusion of the solvent in the coating film.
- thermocouples supported in position and confirmed to be within ⁇ 1.5 ° C.
- the polyamic acid film that became self-supporting after drying was peeled from the polyester film to obtain each green film, that is, Production Example 10, Production Example 11 and Production Example 12.
- Each green film obtained was passed through a continuous heat treatment furnace that was purged with nitrogen while holding both ends with a pin tenter.
- the first stage was 180 ° C for 5 minutes, and the heating rate was 4 ° C / sec.
- the temperature was raised and the second stage was heated at 400 ° C for 5 minutes under the condition of 5 minutes to proceed with the imidization reaction. Thereafter, by cooling to room temperature in 5 minutes, each polyimide film exhibiting brown color, IF production example 10, IF production example 11 and IF production example 12 were obtained.
- an aromatic polyamide monofilament 1 and a brush consisting of lands were provided in contact with both ends of the film, so that both ends of the film pierced uniformly into the pins of the pin tenter.
- each polyimide film obtained was 25 ⁇ m, 2.8% in IF Production Example 10 and 25.1 ⁇ m, 4.1% in IF Production Example 1 1. In Example 1 2 it was 2 5 ⁇ and 7.5%.
- PMDA and B PDA are used as aromatic tetracarboxylic dianhydride components, and ODA as diamine components? -? 4 kinds of monomers? 1 ⁇ [0 /: 6 PDA / O DAZP— PDA is polymerized in DMF at a molar ratio of lZO. 5/1 / 0.5, so that the monomer charge concentration is 16% by mass.
- a DMF solution was prepared.
- the obtained polyamic acid solution was coated on a stainless steel belt (the gap between the squeegee belts was 400 / m) and dried in the same manner as in Production Examples 10 to 12.
- the polyamic acid film that became self-supporting after drying was peeled from the stainless steel belt to obtain each green film having a thickness of 49.5 ⁇ , that is, Production Example 13, Production Example 14, and Production Example 15.
- the obtained green film was passed through a continuous heat treatment furnace purged with nitrogen, and the first stage was heated at 180 ° C for 3 minutes and the heating rate was 4 ° CZ seconds. 2 minutes
- the imidation reaction proceeded by applying two stages of heating under the conditions described above. Thereafter, by cooling to room temperature in 5 minutes, a 25 mm thick polyimide film having a brown color, that is, IF Production Example 13 and IF Production Example 14 and 1 Production ⁇ 15 was obtained.
- a brush made of aromatic polyamide monofilament strand is provided so that it touches both ends of the film, and fei so that both ends of the film pierce the pin tenter pins evenly.
- the thickness and curl degree of each polyimide film obtained were as follows: [F Production Example 13: 25 ⁇ m, 4.8 ° /. , IF production example 14 25.1 ⁇ m, 7.IF production example 1 5 2
- Zone 1 temperature 1 1 0 ° C both top and bottom
- the length of each zone is the same, and the total drying time is 9 minutes.
- the air volume is the total of the air volume from the outlets of each zone, and production example 16, production example 17 and production example 18 were changed within the above ranges.
- Each green film obtained was passed through a continuous heat treatment furnace purged with nitrogen while holding both ends with a pin tenter.
- the first stage was 1800 ° C for 5 minutes and the heating rate was 4 ° CZ seconds.
- the temperature was raised and the second stage was heated at 400 ° C. for 5 minutes under the condition of 5 minutes to proceed with the imidation reaction.
- each polyimide film exhibiting a brown color, IF production example 16, IF production example 17, and IF production example 18 was obtained by cooling to room temperature for 5 minutes 1 ".
- each polyimide film obtained was as follows: 1 1 ⁇ 25 m in Production Example 16; 10.8 ° / o; IF Production Example 17: 2 5.1 / m, 14 1%, IF Production Example 1 8 had 25 ⁇ , and 22.5%.
- the films obtained in Production Examples 1 to 9 were cut into 25 c mX 25 c squares, and 5 sheets each were used.
- Each film was fixed by being sandwiched by a stainless steel frame having a direct opening of 24 cm.
- plasma treatment of the film surface was performed.
- the plasma treatment conditions are: xenon gas, frequency 13.5 MHz, output 10 0 W, gas pressure 0.8 Pa, treatment temperature 25 ° C, treatment time 5 minutes there were.
- a nickel-chrome base metal layer having a thickness of 5 OA was formed at a rate.
- the temperature of the substrate was raised to 250 ° C., copper was deposited at a rate of 10 OA, second, and a copper thin film layer having a thickness of 0.5: m was formed.
- the thin film layer-forming metallized polyimide film obtained was fixed to a plastic frame, and a thick copper layer with a thickness of 5 ⁇ m was formed using a copper sulfate plating bath.
- the target metallized polyimide film was obtained by heat treatment at 100 ° C. for 10 minutes.
- the metallized polyimide film manufactured using the film obtained by manufacture example 1-6 was made into Examples 1-6, respectively.
- metallized polyimide films produced using the films obtained in Production Examples 7 to 9 were referred to as Comparative Examples 1 to 3, respectively.
- Each thin film layer-formed metallized polyimide obtained from each film was judged by the average value of the degree of warpage of each of the five sheets.
- the degree of warpage average for each film is over 10%
- X is the degree of warpage over 7% to 10%
- ⁇ is over 5-7%
- ⁇ is under 5%.
- Example 1 Example 2, and Example 4 were all ⁇
- Example 3 Example 5 was ⁇
- Example 6 was ⁇
- Comparative Example 1 Comparative Example 2, and Comparative Example 3 were all X. It was.
- model chip was flip-chip mounted on the obtained model substrate.
- Example 1 The wiring patterns of Example 1, Example 2, Example 3, Example 4, Example 5, Example 6 and Example 6 show no peeling of the conductor metal pattern and no warping, but are comparative examples.
- the conductor metal pattern was peeled off and warped.
- Example 6 In the model chip mounted on the model board obtained in Example 1, Example 2, Example 3, Example 4, Example 5, Example 6 and Example 6, the number of all contacts is 5 1 2 In Comparative Example 1, 5 1 in 5 1 2 power stations, 5 1 2 in 5 1 2 power stations, 1 in 1 power station, 5 in 2 1 2 power stations in Comparative Example 3 There was a joint failure.
- the film was set upside down, and the back side [this was also processed in the same way to obtain each thin film layer-formed metallized polyimide with a metallization on both sides.
- the gold-containing polyimide film manufactured using the film obtained by manufacture example 1-6 was set as Examples 7-12, respectively.
- metallized polyimides prepared using the films obtained in Production Examples 7 to 9 were respectively referred to as Comparative Examples 4 to 6.
- Example 7, Example 8, and Example 10 are all ⁇
- Example ⁇ Example 1 1 are both ⁇
- Example 1 2 is ⁇
- Comparative Example 4 Comparative Example 5
- Comparative Example 6 are all X.
- the obtained metallized polyimide film after panel plating was subjected to double-sided fine wire processing with a line width of 7 to 7 / zm. Specifically, photoresist: -200, manufactured by Shipley Co., Ltd. was applied. After drying, contact exposure was performed with a glass photomask, and further developed with a 1.2% aqueous solution.
- the metal layer is etched with a spray pressure of 40 ° (2 kgf / cm 2) in an etching line of HC 1 and salt containing hydrogen peroxide f ⁇ cupric. Then, the resist was peeled off after the etching to obtain each double-sided circuit pattern.
- each double-sided circuit / turn using the base film of Production Example 1 to Production Example 6, with a slightly finer dimension than the negative there is little variation, and 3 ⁇ 4FU between line width lines is performed, and there is no pattern peeling
- Each of the polyimide films obtained in Production Examples 1 to 9 was cut into a square of 25 cm ⁇ 25 cm and fixed by being sandwiched between stainless steel frames having an opening with a diameter of 24 cm. Next, plasma treatment of the film surface was performed.
- the plasma treatment conditions were as follows: in xenon gas, with a frequency of 13.56 MHz, an output of 10 OW, a gas pressure of 0.8 Pa, a treatment temperature of 25 ° C, and a treatment time of 5 minutes. . Then, frequency number 1 3. 56 MHz, the output 400W, a gas pressure of 0.
- the metallized polyimide film manufactured using the film obtained by manufacture example 1-6 was made into Examples 13-18, respectively.
- the metallized polyimide film manufactured using the film obtained by manufacture U7-9 was set as Comparative Examples 7-9, respectively.
- Each thin film layer-formed metallized polyimide film obtained from each film was judged by the average value of the degree of warpage of each of the 5 sheets.
- the average warp wrinkle value exceeds 10%, X, the warp degree exceeding 7% to 10%, 5-7% ⁇ , and less than 5% ⁇ .
- Example 1 3 Example 14, Example 1 6 are all ⁇
- Example 1 5 are both ⁇
- Example 1 8 is ⁇
- Comparative example 7 Comparative example 8
- Example 9 was all X. Fix each thin film layer-forming metallized polyimide film to a plastic frame, and form a thick copper layer with a thickness of 10 / im using a copper sulfate plating bath. Heat for 10 minutes to obtain each metallized polyimide film.
- the adhesive was applied to a dry film thickness of 12 m and dried.
- a YAG laser is used for via drilling, and the via diameter is 15.
- a copper sulfate bath was used, and for the solder plating, a key, copper and silver alloy plating was used.
- UV-curable etching resist ink was used to protect the copper plating layer surface during via fill copper solder bump formation.
- Photoresist: FR-200, manufactured by Shipley Co., Ltd. was used for pattern formation. After resist application and drying, contact exposure was performed with a glass photomask, and further developed with a 1.2% by mass KOH solution.
- Etching was performed with a cupric chloride etching line Z containing HC 1 and hydrogen peroxide at a spray pressure of 40 ° C and 2 kgf Z cm 2 .
- Six layers of the substrate after pattern formation were stacked, and the outermost layer was 18 Aim thick rope mouth filed electrofed foil and pressure bonded with a vacuum press. Thereafter, pattern processing of the outermost layer was performed, and a multilayer wiring board having seven conductor layers (metal layers) including the outermost layer was obtained.
- Each film was fixed by being sandwiched between stainless steel plates having an opening having a diameter of 24 cm.
- plasma treatment of the film surface was performed.
- the plasma treatment conditions were: xenon gas, frequency: 13.56 MHz, output: 10 OW, gas pressure: 0.8 Pa, treatment temperature: 25 ° C, treatment time: 5 minutes .
- a nickel-chromium alloy underlayer having a thickness of 50 A was formed at a rate of lo A / sec.
- the temperature of the substrate was raised to 250 ° C, and copper was steamed at a rate of 10 OA / sec to form a copper thin film layer with a thickness of 0.5 m to obtain a metallized polyimide film for forming each metal thin film layer. It was.
- Each metal thin film layer-forming gold film obtained was fixed to a plastic frame, and a copper sulfate plating bath was used to form a thick copper plating layer (thick film copper layer>) having a thickness of 5 ⁇ .
- a target thick film metallized polyimide film was obtained by heat treatment at ° C for 10 minutes.
- metallized polyimide film manufactured using the film obtained by manufacture example 10-15 was made into Examples 19-24, respectively.
- metallized polyimide films produced using the films obtained in Production Examples 16 to 18 were referred to as Comparative Examples 10 to 12, respectively.
- Each metal thin film layer-forming metallized polyimide film ⁇ obtained from each film was judged by the average value of the degree of warpage of each of the five sheets.
- the average value of warpage exceeds 10%, X, warpage exceeding 7% and up to 10%, ⁇ , 5-7% ⁇ , and less than 5%.
- Example 19 is ⁇
- Example 20 is ⁇
- Example 23 is ⁇
- Example 21 is ⁇
- Comparative Example 10 Comparative Example 1 1
- Comparative Example 12 are all X. there were.
- each thick film metallized polyimide film obtained was used, and photoresist: FR-200, manufactured by Shipley Co., Ltd. was applied.
- photoresist FR-200, manufactured by Shipley Co., Ltd. was applied.
- electroless tin plating was performed to a thickness of 0.5 m, followed by annealing at 125 ° C for 1 hour.
- a model substrate having a wiring pattern and an electrode pad for flip chip mounting was obtained from each thick-film polyimide film.
- Example 1 Example 2 0, Example 2 1, Example 2 2, Example 2 3, Example gun 2 24
- the wiring pattern of the conductor metal pattern shows no peeling and no warpage.
- Comparative Example 10 Comparative Example 11 and Comparative Example 12
- the conductor metal pattern was peeled off and warped.
- Example 19 the number of all contacts in the model chip mounted on the model board obtained in Example 19, Example 20, Example 21, Example 22, Example 2 3, Example 2 4 5 1 2
- Comparative Example 1 0 5 1 2 in 3 power stations in Comparative Example 1 1 5 1 2 in 7 power stations, in Comparative Example 1 2 5 1 2 forces Of the two, poor bonding at 4 power stations occurred.
- the resulting metallized polyimide film with a double-sided metal thin film layer is cut into a size of 20 O mm x 200 mm, and through holes are drilled in place with a YAG laser, followed by the usual silver chloride and palladium chloride catalyst. After activation, an electroless copper plating film is formed on the metallized surface of the through hole through wet electroless copper plating, and then fixed to a plastic frame with copper sulfate plating. Panel thickening was performed until the value became 4.5 ⁇ , and each thick film metallized polyimide was obtained.
- the metal polyimide films produced using the films obtained in Production Examples 10 to 15 were designated as Examples 25 to 30, respectively.
- the metallized polyimide films produced using the obtained films were designated as Comparative Examples 13 to 15, respectively.
- Each metal thin film layer-formed metallized polyimide film obtained from each film was judged by the average value of the degree of warpage of each 5 sheets.
- Each film has an average warpage degree exceeding 10% as X, warpage exceeding 7% to 10% as ⁇ , 5-7% 1 ⁇ ⁇ , and less than 5% as ⁇ . .
- Example 25 Example 26, and Example 28 were all ⁇
- Example 29 was ⁇
- Example 27 Example 30 were ⁇
- Comparative Example 1 3 Comparative Example 14, and Comparative Example 15 were all X It was.
- 7Z7 m double-sided fine wire processing was performed. Specifically, photoresist: FR-2, manufactured by Shipley Co., Ltd. was applied and dried, then contacted and exposed with a glass photomask, and further developed with a 2% KOH aqueous solution. Next, etching was performed at a spray pressure of 40 ° C. and 2 kgfm 2 on an etching line for second disease containing HC 1 and hydrogen peroxide, and the resist was stripped after etching to obtain each double-sided circuit pattern.
- photoresist FR-2, manufactured by Shipley Co., Ltd. was applied and dried, then contacted and exposed with a glass photomask, and further developed with a 2% KOH aqueous solution.
- etching was performed at a spray pressure of 40 ° C. and 2 kgfm 2 on an etching line for second disease containing HC 1 and hydrogen peroxide, and the resist was stripped after etching to obtain each double-sided circuit pattern.
- each of the double-sided circuit patterns of Example 25 to Example 30 processing between line width lines was performed with little variation, with a little smaller dimension than the negative, and with no pattern peeling and no warping.
- each of the double-sided circuit patterns of Comparative Examples 13 to 15 had large line width variations, pattern peeling, and warping.
- the temperature of the substrate was raised to 250 ° C., and a copper film was deposited at a rate of 100 AZ seconds to form a copper thin film layer having a thickness of 0.5 ⁇ to obtain each thin film layer forming metallized polyimide.
- the metallized polyimide films produced using the films obtained in Production Examples 10 to 15 were referred to as Examples 31 to 36, respectively.
- Production Examples 16 to 18 "T? Metalized polyimide films produced using the obtained films were designated as Comparative Examples 16 to 18 respectively.
- Each thin film layer-forming metallized polyimide film obtained from each film was judged by an average value of the degree of warpage of each 5 sheets. Average warpage of each film is 10 ° /. Exceeded X was rated, the degree of warpage exceeded 7% to 10%, ⁇ , 5-7% ⁇ , and less than 5% ⁇ .
- Example 3 1 Example 32, and Example 34 are all ⁇
- Example 3 5 is Yes Example 33
- Example 3 6 is ⁇
- Comparative Example 1 6 Comparative Example 1 7
- Comparative Example 1 8 Were all X ⁇ .
- Each thin film layer-forming metallized polyimide film obtained was re-solidified in a plastic frame, and a thick copper plating layer having a thickness of 10 ⁇ m was formed using a copper sulfate plating bath, and subsequently at 300 ° C. Each thick metallized polyimide film was heat treated for 10 minutes.
- the adhesive was applied to a dry film thickness of 12 m and dried.
- a YAG laser is used to drill the via, and the via diameter is 15 mm / im.
- a copper sulfate bath was used, and for the solder plating, tin-copper-silver silver plating was used.
- UV-curable etching resist ink was used to protect the copper plating layer during via fill copper solder bump formation.
- photoresist FR-200, manufactured by Shipley Co., Ltd. is used.
- Resist application After drying, it is exposed closely with a glass photomask, and further developed with 1.2% by mass KOH aqueous solution, then HC Etching was performed at an etching line of cupric chloride containing 1 and hydrogen peroxide at a spray pressure of 40 ° C and 2 kgf cm 2 .
- Each film obtained in Production Examples 1 to 9 was used, set in a vacuum apparatus equipped with an unwinding device, a winding device, and a plasma processing device, respectively, and then subjected to plasma treatment on the film surface.
- the plasma treatment conditions are as follows: in xenon gas, with a frequency of 13.56 MHz, an output of 80 W, a gas pressure of 0.9 Pa, a treatment temperature of 24 ° C, and a residence time of about 45 seconds in the plasma atmosphere. there were.
- the plasma-treated film is placed in a spring apparatus, a winding apparatus, and a vacuum apparatus having a sputtering area, with a frequency of 13.56 MHz, an output of 400 W, and a gas pressure of 0.8 Pa.
- a nickel-chromium alloy film of 15 OA was formed by RF sputtering under a xenon atmosphere using a nickel chrome (7% chromium) target.
- a 300 OA copper thin film was formed by sputtering using a cage target, and a thick copper plating layer having a thickness of 4 xm was formed using a magnetic acid copper plating bath to form a first electrode layer. .
- Example 3 7 Example 3 8
- Example 4 ⁇ is all ⁇
- Example 3 9 Example 4 1
- Example 4 2 is ⁇
- Comparative example 1 9 Comparative example 2 O
- Comparative example 2 All 1s were X.
- Example 37, Example 38, Example 39, Example 40, Example 41, Implementation For the high dielectric layer laminated polyimide film of Example 42 there was obtained a material having a stable capacity density with no fluctuation and sufficient withstand voltage (l OO k VZm or more) for practical use.
- the capacitance density is uneven and the withstand voltage is less than 10 kV Zm. Met. In addition, there were fluctuations.
- an indium tin oxide (ITO) thin film layer having a thickness of 100 nm was formed on the polyimide film.
- An aluminum layer having a thickness of nm was formed as a first electrode.
- the first electrode is given a predetermined electrode shape by masking.
- a light emitting layer is formed on the first electrode.
- an organic layer containing undoped poly (paraphenylene vinylene) as a luminescent material was formed by a screen printing lj method. The drying temperature of the membrane is up to 180 ° C.
- an ITO thin film layer is formed as a second electrode by sputtering on the light emitting layer, and a protective film is formed thereon by fluororesin calling.
- the films obtained in Production Examples 1 to 6 are used.
- the organic EL devices manufactured in this manner were designated as Examples 4 3 to 4 8 respectively. Also, use the films obtained in Production Examples 7-9.
- the organic EL devices manufactured using the above were designated as Comparative Examples 22 to 24, respectively.
- Each transparent conductive layer laminated polyimide film obtained from each film polyimide film has a warp average value exceeding 10% X, warpage exceeding 7% to 10%, ⁇ , 5 to As a result of evaluating 7% as ⁇ and less than 5% as ⁇ , Example 43, Example 44, and Example 46 are all ⁇ , Example 45, Example 4 6, and Example 47 are all ⁇ , Comparative Example 22, Comparative Example 23, and Comparative Example 24 were all X.
- Each polyimide film obtained in Production Examples 1 to 9 was used, and a stainless steel target was used with a sputtering device to form a stainless steel layer having a thickness of 1,000 nm on each polyimide film. Then, by installing the film forming the stainless steel layer between the opposing electrode and the supporting electrode in a vacuum reactor, the reactor was evacuated to over ⁇ 1 X 1 0- 5 T orr, the temperature of the support electrode 350 Increased to ° C. Then, while applying a high frequency voltage of 30 W of 15 MHz to the counter electrode and the support electrode, argon gas was introduced into the reactor and pre-sputtered in an argon atmosphere of 1 Torr, and then hydrogen gas.
- Si H 4 diluted to 10% at the same time, and PH 3 gas diluted to 1% with hydrogen gas at the same time were introduced at the same time, and a 25 nm n-type amorphous silicon layer was placed on the stainless steel layer in an atmosphere of 1 Torr. A con layer was formed. Then, by introducing only the S i H 4, on the n-type ⁇ mono les Fass silicon layer, laminating the i-type amorphous divorced layer having a thickness of 500 nm, 1% of the more S i H 4 gas A p-type amorphous silicon layer having a thickness of 25 nm was formed on the i-type amorphous silicon layer by introducing a mixed gas containing B 2 H 6 .
- the film on which the pin-type amorphous silicon layer was formed was mounted in a vacuum deposition apparatus, and an amorphous tin layer having a thickness of 100 nm was deposited by an electron beam method to form a hetero electrode layer. Finally, a 100 nm palladium layer was vacuum-deposited in a comb shape.
- a film-like solar cell comprising the respective photoelectric conversion layer laminated polyimide films obtained as described above was obtained.
- Each photoelectric conversion layer laminated polyimide film obtained from each polyimide film was judged based on the average value of the degree of warpage of each 5 sheets.
- the average value of warpage exceeds 10%, X, warpage exceeding 7% to 10%, ⁇ , 5-7% ⁇ , and less than 5%.
- the solar cell manufactured using the film obtained by manufacture example 1-6 was made into Example 49-54, respectively.
- the solar cells manufactured using the films obtained in Production Examples 7 to 9 were referred to as Comparative Examples 25 to 27.
- Example 49, Example 50, and Example 52 are all ⁇
- Example 51, Example 53, Example 54 are all ⁇
- Comparative Example 25 Comparative Example 26, and Comparative Example 27 are all X. It was.
- each film was set in a vacuum device equipped with a rolling-out device, a winding device, and a plasma processing device, and then the plasma treatment of the film surface was performed.
- the plasma treatment conditions were xenon gas, frequency 13.56MHz, output 80W, gas pressure 0.9 Pa, treatment temperature was 24 ° C, residence time in plasma atmosphere was about 45 seconds .
- the plasma-treated film is set in a vacuum apparatus having the same unrolling apparatus apparatus, removing apparatus, and sputtering area, with a frequency of 13.56 MHz, an output of 400 W, and a gas pressure of 0.8 Pa.
- a 15 OA nickel-chromium alloy film was formed by RF sputtering under a xenon atmosphere using a -Kekel chromium (7% chromium) target.
- a copper thin film having a thickness of 300 OA is formed by sputtering using a copper target, and a thick copper plating layer having a thickness of 4 / xm is formed using a copper sulfate plating bath to form a first electrode layer and did.
- the substrate temperature was set to 4 5 0 ° C, B a 0 on the first electrode layer, a titanium oxide layer 5 0 A, as further dielectric layer as the barrier layer.
- 5 S r A thin film high-dielectric layer of 2000 nm was formed by high-frequency sputtering using a 5 TiO 3 target. Further, nickel of 50 O nm and copper of 50 nm are formed on the thin high dielectric layer by sputtering, and finally, a thick copper of 4 ⁇ thick using a copper sulfate plating bath.
- a high dielectric laminated film was obtained by forming a plating layer as the second electrode layer. It was obtained by using the film obtained in Production Example 10 15. 3 ⁇ 4 Dielectric laminated polyimide film was sequentially carried out. Example 5 5 6 0. Also, the high dielectric laminated polyimide fill_ ⁇ obtained using the film obtained in production 111 6 1 8 was designated as Comparative Example 2 8 30.
- Each high dielectric layer laminated polyimide film ⁇ ⁇ obtained from each film was judged by the average value of the warpage of each of the five sheets.
- the warp degree t ⁇ value is more than 10% X
- the warp degree is over 7% and up to 10% ⁇
- 5 7% is ⁇ , less than 5% ⁇ It was.
- Example 5 5 Example 5 6, Example 5 8 are all ⁇ , Example 5 9 is ⁇ , Example 5 7, Example 60 is ⁇ , Comparative example 2 8, Comparative example 29, Comparison ⁇ ij 3 0 was all X.
- a 100 nm thick indium oxide film A tin (ITO) thin film layer and a 50 nm thick aluminum layer were formed as the first electrode.
- the first electrode is given a predetermined electrode shape by masking.
- a light emitting layer is formed on the first electrode.
- an organic layer containing undoped poly (para-phenylene vinylene) as a luminescent material was formed by a screen printing method. The drying temperature of the membrane is up to 180 ° C.
- an ITO thin film layer was formed as a second electrode by sputtering on the light emitting layer, and a fluororesin coating was formed thereon to form a protective film.
- Example 61 When an alternating voltage of 100 0 00 Hz with a peak-to-peak of 60 V was applied to an organic EL device made of a transparent conductive layer laminated polyimide film made of each of the polyimide films thus obtained, Example 61, Example 6 2, Example 6 3, Example 6 4, Example 6 5, Example 6 6 emits bright green light, but Comparative Example 3 1, Comparative Example 3 2, and Comparative Example 3 3 The luminescence was unstable.
- Each transparent conductive layer laminated polyimide film obtained from each polyimide film has a warp average value exceeding 10% X, a warp degree exceeding 7% to 10% ⁇ , 5 -7% was rated as ⁇ , and less than 5% was evaluated as ⁇ , Example 61, Example 62, Example 6 2, Example 6 4 were all ⁇ , Example 65 was ⁇ , Example 63, Example 6 6 was ⁇ , Comparative Example 3 1, Comparative Example 3 2, and Comparative Example 3 3 were all X. (Examples 6 7 to 7 2, Comparative Examples 3 4 to 3 6)
- Si H 4 diluted to 10% with hydrogen gas and PH 3 gas diluted to 1% with hydrogen gas were simultaneously introduced, and the n layer of 25 nm was placed on the stainless steel layer in an atmosphere of 1 Torr.
- a type amorphous silicon layer was formed.
- introduce only S i H 4 and An i-type amorphous silicon layer having a thickness of 500 nm is laminated on the n-type amorphous silicon layer, and a mixed gas containing 1% B 2 H 6 is introduced into Si H 4 gas.
- a p-type amorphous silicon layer having a thickness of 25 nm was formed on the i-type amorphous silicon layer.
- the film on which the pin type amorphous silicon layer was formed was mounted in a vacuum deposition apparatus, and a tin oxide layer having a thickness of 100 nm was deposited by an electron beam method to form a hetero electrode layer. Finally, a 100 nm palladium layer was vacuum-deposited in a comb shape on it.
- a film-like solar cell comprising the respective photoelectric conversion layer laminated polyimide films obtained as described above was obtained.
- the polyimide film substrate of Production Examples 10 to 15 when used, there is no problem of warping due to heat or occurrence of wrinkles, and excellent flatness
- the polyimide film substrate of Production Example 16-18 when using the polyimide film substrate of Production Example 16-18, there was a problem that it was deformed by heat or warped, resulting in excellent flatness. It was difficult to obtain a solar cell.
- Each photoelectric conversion layer laminated polyimide film obtained from each polyimide film was judged based on the average value of the degree of warpage of each 5 sheets.
- Each film has an average warpage degree exceeding 10% as X, warpage exceeding 7% to 10% as ⁇ , 5-7% as ⁇ , and less than 5% as ⁇ . .
- the metallized polyimide films obtained using the films obtained in Production Examples 10 to 15 were designated as Examples 6 7 to 72, respectively.
- metallized polyimide films obtained using the films obtained in Production Examples 16 to 18 were referred to as Comparative Examples 3 to 36.
- Example 6 7, Example 6 8, Example 7 0 are all ⁇
- Example 7 1 is ⁇
- Example 6 9 is ⁇
- Comparative example 3 4 Comparative example 3 5
- Comparative Examples 3 and 6 were all X.
- each of the examples had a conversion efficiency of 3 to 5%, which had a practical level of photoelectric conversion capability.
- the photoelectric conversion efficiency was less than 1%, and it was only possible to obtain a low practicality.
- the thin film laminated polyimide film of the present invention can be used as a base film for electronic parts.
- a metal thin film layer and a metal thick film layer are formed on one or both sides of the polyimide film.
- a wiring pattern having a line width of 5 to 3 ⁇ , a line spacing of 5 to 30 / im, and a thickness of about 3 to 40 ⁇ m is formed.
- a silicon photoelectric conversion layer or a high dielectric layer is formed on one or both sides of a polyimide film. This metal thin film layer, silicon-based photoelectric conversion layer, or high dielectric layer is deposited.
- a thin film laminated polyimide film using a specific polyimide film when used as a base material for electronic parts exposed to high viewing, is unlikely to cause warping and distortion of the base material during its manufacture. This is significant for the industry because it can improve quality and yield.
- This application is filed in Japan 2005- 1 1 9 9 94, Japanese Patent Application 2000- 1 1999 5, Japanese Patent Application 2005- 1 21 1 79 and Japanese Patent Application 200 5-1 2 1 1 is based on 80, the contents of which are incorporated herein in its entirety
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05757943A EP1872941A4 (en) | 2005-04-18 | 2005-07-01 | THIN FILM LAMINATED POLYIMIDE FILM AND FLEXIBLE PRINTED CIRCUIT BOARD |
US11/911,947 US20090056981A1 (en) | 2005-04-18 | 2005-07-01 | Thin film-laminated polyimide film and flexible printed wiring board |
CN2005800500321A CN101193750B (zh) | 2005-04-18 | 2005-07-01 | 薄膜层压的聚酰亚胺膜和柔性印刷电路板 |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
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JP2005119995 | 2005-04-18 | ||
JP2005-119994 | 2005-04-18 | ||
JP2005119994 | 2005-04-18 | ||
JP2005-119995 | 2005-04-18 | ||
JP2005121180 | 2005-04-19 | ||
JP2005-121180 | 2005-04-19 | ||
JP2005-121179 | 2005-04-19 | ||
JP2005121179 | 2005-04-19 |
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WO2006114901A1 true WO2006114901A1 (ja) | 2006-11-02 |
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PCT/JP2005/012623 WO2006114901A1 (ja) | 2005-04-18 | 2005-07-01 | 薄膜積層ポリイミドフィルム及びフレキシブルプリント配線板 |
Country Status (5)
Country | Link |
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US (1) | US20090056981A1 (ja) |
EP (1) | EP1872941A4 (ja) |
KR (1) | KR100973637B1 (ja) |
CN (1) | CN101193750B (ja) |
WO (1) | WO2006114901A1 (ja) |
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CN110446397A (zh) * | 2019-06-19 | 2019-11-12 | 京东方科技集团股份有限公司 | 散热屏蔽膜及其应用 |
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KR101319170B1 (ko) * | 2008-12-19 | 2013-10-16 | 도요보 가부시키가이샤 | 적층체, 그의 제조 방법 및 적층체 회로판 |
TWI362398B (en) * | 2009-12-31 | 2012-04-21 | Ind Tech Res Inst | Polyimide polymers for flexible electrical device substrate material and flexible electrical devices comprising the same |
CN103080005B (zh) | 2010-08-25 | 2016-02-10 | 株式会社钟化 | 石墨膜以及石墨膜的制造方法 |
CN102044577B (zh) * | 2010-11-18 | 2012-12-19 | 深圳丹邦投资集团有限公司 | 一种柔性薄膜太阳电池及其制造方法 |
TWI491330B (zh) * | 2010-12-24 | 2015-07-01 | Chi Mei Comm Systems Inc | 柔性線路板組裝識別組件 |
TWI491322B (zh) * | 2010-12-31 | 2015-07-01 | Chi Mei Comm Systems Inc | 柔性線路板組裝識別組件 |
JP5762137B2 (ja) * | 2011-05-27 | 2015-08-12 | 上村工業株式会社 | めっき方法 |
KR101355007B1 (ko) * | 2012-03-21 | 2014-01-24 | 지에스칼텍스 주식회사 | 고온 열처리가 가능한 플렉시블 박막전지 및 이의 제조방법 |
US20130328098A1 (en) * | 2012-05-15 | 2013-12-12 | High Power Opto. Inc. | Buffer layer structure for light-emitting diode |
CN104541585B (zh) * | 2012-06-22 | 2018-05-08 | E.I.内穆尔杜邦公司 | 电路板 |
US20150197073A1 (en) * | 2012-06-22 | 2015-07-16 | E.I. Du Pont De Nemours And Company | Polyimide metal clad laminate |
KR101545779B1 (ko) * | 2013-04-02 | 2015-08-19 | 코오롱인더스트리 주식회사 | 폴리이미드 커버기판 |
US9195929B2 (en) * | 2013-08-05 | 2015-11-24 | A-Men Technology Corporation | Chip card assembling structure and method thereof |
JP2015201600A (ja) * | 2014-04-10 | 2015-11-12 | 住友電気工業株式会社 | フレキシブルプリント配線板並びにこれを用いた集光型太陽光発電モジュール及び集光型太陽光発電パネル |
JP6880723B2 (ja) * | 2016-12-27 | 2021-06-02 | 住友金属鉱山株式会社 | 両面金属積層板、両面金属積層板の製造方法、及びパターンの画像転写方法 |
CN209345209U (zh) * | 2019-03-08 | 2019-09-03 | Oppo广东移动通信有限公司 | 电子设备 |
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Also Published As
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KR20080011203A (ko) | 2008-01-31 |
CN101193750B (zh) | 2011-02-16 |
KR100973637B1 (ko) | 2010-08-02 |
CN101193750A (zh) | 2008-06-04 |
EP1872941A1 (en) | 2008-01-02 |
EP1872941A4 (en) | 2008-12-10 |
US20090056981A1 (en) | 2009-03-05 |
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