WO2006030625A1 - 硬化性組成物、微細構造体の製造方法およびパターンの形成方法 - Google Patents
硬化性組成物、微細構造体の製造方法およびパターンの形成方法 Download PDFInfo
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- WO2006030625A1 WO2006030625A1 PCT/JP2005/015666 JP2005015666W WO2006030625A1 WO 2006030625 A1 WO2006030625 A1 WO 2006030625A1 JP 2005015666 W JP2005015666 W JP 2005015666W WO 2006030625 A1 WO2006030625 A1 WO 2006030625A1
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- Prior art keywords
- curable composition
- monomer
- pattern
- mold
- fluorine
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- 239000000203 mixture Substances 0.000 title claims abstract description 185
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 claims abstract description 25
- 239000003505 polymerization initiator Substances 0.000 claims abstract description 23
- 239000000178 monomer Substances 0.000 claims description 110
- 229910052731 fluorine Inorganic materials 0.000 claims description 104
- 239000011737 fluorine Substances 0.000 claims description 64
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 61
- 125000001153 fluoro group Chemical group F* 0.000 claims description 50
- 239000003999 initiator Substances 0.000 claims description 34
- 239000004094 surface-active agent Substances 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 27
- 150000001875 compounds Chemical class 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 10
- 238000011049 filling Methods 0.000 claims description 4
- 230000007261 regionalization Effects 0.000 abstract description 4
- 239000004615 ingredient Substances 0.000 abstract 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 23
- 125000004432 carbon atom Chemical group C* 0.000 description 20
- -1 methacryloyl group Chemical group 0.000 description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 9
- 125000004430 oxygen atom Chemical group O* 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- 230000000704 physical effect Effects 0.000 description 7
- 125000000962 organic group Chemical group 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 150000001721 carbon Chemical group 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- ONIKNECPXCLUHT-UHFFFAOYSA-N 2-chlorobenzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1Cl ONIKNECPXCLUHT-UHFFFAOYSA-N 0.000 description 3
- 244000309464 bull Species 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 150000001451 organic peroxides Chemical class 0.000 description 3
- 150000002978 peroxides Chemical class 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- PPVPVKZXQJZBRA-UHFFFAOYSA-N (2,3,4,5,6-pentafluorobenzoyl) 2,3,4,5,6-pentafluorobenzenecarboperoxoate Chemical compound FC1=C(F)C(F)=C(F)C(F)=C1C(=O)OOC(=O)C1=C(F)C(F)=C(F)C(F)=C1F PPVPVKZXQJZBRA-UHFFFAOYSA-N 0.000 description 2
- BEQKKZICTDFVMG-UHFFFAOYSA-N 1,2,3,4,6-pentaoxepane-5,7-dione Chemical compound O=C1OOOOC(=O)O1 BEQKKZICTDFVMG-UHFFFAOYSA-N 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 238000000018 DNA microarray Methods 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000012933 diacyl peroxide Substances 0.000 description 2
- 239000012769 display material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000012719 thermal polymerization Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- QNODIIQQMGDSEF-UHFFFAOYSA-N (1-hydroxycyclohexyl)-phenylmethanone Chemical compound C=1C=CC=CC=1C(=O)C1(O)CCCCC1 QNODIIQQMGDSEF-UHFFFAOYSA-N 0.000 description 1
- XBNGYFFABRKICK-UHFFFAOYSA-N 2,3,4,5,6-pentafluorophenol Chemical group OC1=C(F)C(F)=C(F)C(F)=C1F XBNGYFFABRKICK-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- FXRQXYSJYZPGJZ-UHFFFAOYSA-N 2-[(2-methylpropan-2-yl)oxy]ethenylbenzene Chemical compound CC(C)(C)OC=CC1=CC=CC=C1 FXRQXYSJYZPGJZ-UHFFFAOYSA-N 0.000 description 1
- LCZVSXRMYJUNFX-UHFFFAOYSA-N 2-[2-(2-hydroxypropoxy)propoxy]propan-1-ol Chemical compound CC(O)COC(C)COC(C)CO LCZVSXRMYJUNFX-UHFFFAOYSA-N 0.000 description 1
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 1
- HMBNQNDUEFFFNZ-UHFFFAOYSA-N 4-ethenoxybutan-1-ol Chemical compound OCCCCOC=C HMBNQNDUEFFFNZ-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- YOALFLHFSFEMLP-UHFFFAOYSA-N azane;2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctanoic acid Chemical compound [NH4+].[O-]C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F YOALFLHFSFEMLP-UHFFFAOYSA-N 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 235000019437 butane-1,3-diol Nutrition 0.000 description 1
- MAOSFLAYGYQLBB-UHFFFAOYSA-N butane-1,4-diol;prop-2-enoic acid Chemical compound OC(=O)C=C.OCCCCO MAOSFLAYGYQLBB-UHFFFAOYSA-N 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- 238000007607 die coating method Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000005448 ethoxyethyl group Chemical group [H]C([H])([H])C([H])([H])OC([H])([H])C([H])([H])* 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 239000010702 perfluoropolyether Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F14/18—Monomers containing fluorine
Definitions
- the present invention relates to a curable composition, a fine structure manufacturing method, and a pattern forming method.
- the present invention relates to a curable composition, a method for producing a fine structure, and a method for forming a pattern.
- a step of sandwiching and pressing a photocurable composition between the reverse pattern surface of a mold having a reverse pattern of a fine pattern on the surface and a substrate surface, and a photocurable composition by light irradiation Attention is focused on a method for producing a fine structure having a substrate strength in which a fine pattern of the cured product is formed on the surface, in which a step of curing the material to form a cured product and a step of peeling the mold from the cured product are sequentially performed.
- Patent Document 5 describes a photocurable composition containing a photopolymerization initiator having no fluorine atom and a specific monomer having a fluorine atom.
- Patent Document 6 describes a photocurable composition containing a photopolymerization initiator having no fluorine atom, and a monomer having a perfluoropolyether structure and a methacryloyl group.
- Patent Document 1 US Patent No. 5772905
- Patent Document 2 US Pat. No. 6,482,742
- Patent Document 3 U.S. Patent No. 6719915
- Patent Document 4 U.S. Patent No. 6696220
- Patent Document 5 International Publication No. 04Z104059 Pamphlet
- Patent Document 6 International Publication No. 05Z030822 Pamphlet
- the total amount of monomers The actual content of the photopolymerization initiator relative to is 1 to 2% by mass.
- the content of the photopolymerization initiator is more than 2% by mass, the photocurable composition tends to be non-uniform and the physical properties of the cured product are lowered.
- An object of the present invention is to provide a curable composition for forming a microstructure and a method for producing the microstructure using the curable composition.
- the present invention provides the following inventions.
- a mold having a reverse pattern of a fine pattern is sandwiched between the reverse pattern surface of the mold and the substrate surface, pressed and then cured to form a fine pattern of the cured product on the substrate surface.
- a curable composition comprising a monomer (A) having a fluorine atom and a polymerization initiator (B) having a fluorine atom.
- ⁇ 4> The curable composition according to any one of ⁇ 1> to ⁇ 3>, wherein the polymerization initiator (B) is a photopolymerization initiator having a fluorine atom.
- the curable composition does not have a monomer (A) and a fluorine atom! /, And includes a monomer (C), and the monomer (A) has a total amount of the monomer (A) and monomer (C) content is 50 mass 0/0 or ⁇ 1> of ⁇ rather 4> the curable composition according to any misalignment.
- the curable composition does not have a monomer (A) and a fluorine atom! /, Includes a monomer (C), and the total amount of fluorine atoms contained in the monomer (A) is the monomer (A).
- Curable composition strength Including any fluorine-containing surfactant ⁇ 1> to ⁇ 7> The curable composition as described.
- Curable composition strength The curable composition according to any one of ⁇ 1> to ⁇ 8>, which is substantially free of a solvent.
- the curable composition is cured by sequentially performing a step of sandwiching and pressing between the substrate and the substrate surface, a step of curing the curable composition to form a cured product, and a step of peeling the mold from the cured product.
- a method for producing a fine structure characterized in that a fine structure comprising a substrate on which a fine pattern of an object is formed is obtained.
- the curable composition is formed by sequentially performing a step of sandwiching and pressing between the substrate and the substrate surface, a step of peeling the mold from the curable composition sheet, and a step of curing the curable composition to form a cured product.
- a method for producing a fine structure comprising obtaining a fine structure comprising a substrate having a fine pattern of a cured product formed on the surface thereof.
- a pattern forming method comprising: a step of curing; and a step of separating a mold from a cured product of the curable composition.
- a method of forming a pattern comprising:
- the curable composition of the present invention contains a monomer having a fluorine atom and a polymerization initiator having a fluorine atom having a high compatibility with the monomer, and thus becomes a uniform composition and phase separation. There is no problem. Therefore, a cured product having excellent physical properties such as hardness can be easily formed from the curable composition of the present invention. Further, since the photocurable composition of the present invention and the cured product thereof are excellent in releasability, they can be easily peeled off from the mold and can form a fine pattern with high accuracy. Therefore, it is possible to easily and highly accurately produce a fine structure having a substrate strength on which a fine pattern of a cured product of the curable composition is formed on the surface.
- acrylic acid and methacrylic acid are collectively referred to as (meth) acrylic acid; (Meth) ataryloyl group.
- the monomer means a monomer having a polymerizable unsaturated bond-containing group (hereinafter also simply referred to as a polymerizable unsaturated group) or a polymerizable group such as an epoxy group.
- the monomer is preferably a monomer having a polymerizable unsaturated group.
- the polymerizable unsaturated group is a vinyl group, a trifluorovinyl group, a allyl group or a (meth) acryloyl group. The group is particularly preferred.
- the fluorine content of the monomer (A) in the present invention particularly preferably from 40 to 70 weight 0/0, and even preferable instrument 45-65 mass 0/0.
- the fluorine content is the ratio of the mass of fluorine atoms to the total mass of all atoms constituting the monomer (A).
- the fluorine content of the monomer (A) is 40% by mass or more, the release property of the cured product is particularly excellent. Further, when the fluorine content of the monomer (A) is 70% by mass or less, the compatibility with the polymerization initiator (B) is further improved, and the curable composition can be easily adjusted uniformly.
- Monomer (A ) Can use one monomer (A) or two or more monomers (A).
- Monomer (A) is the following monomer al (where, n is an integer of 1 to 4, X is a hydrogen atom, fluorine atom, a methyl group or a triflate Ruo Russia methyl, R F is 1 carbon atoms 30 represents an n-valent fluorine-containing organic group.) Or the following monomer a2 (where Q represents a divalent organic group having 1 to 10 carbon atoms in which the main chain is composed of 1 to 3 carbon atoms) .).
- N in the monomer al is preferably 1 or 2.
- X is preferably a hydrogen atom or a methyl group.
- the number of carbon atoms in R F is particularly preferably 4-24.
- R F is a monovalent fluorine-containing organic group.
- the monovalent fluorine-containing organic group is a group represented by the formula — (CH 2)
- R F1 which is preferably a polyfluoroalkyl group in which an etheric oxygen atom may be inserted between carbon atoms.
- Fl is an integer of 1 to 3
- R F1 is a carbon atom having 4 to 16 carbon atoms, and a polyfluoroalkyl group in which an etheric oxygen atom may be inserted between carbon atoms is particularly preferred.
- R F is a divalent fluorine-containing organic group.
- the divalent fluorine-containing organic group is represented by the formula — (CH 2 ) R F2 (CH 2 ) —, which is preferably a polyfluoroalkylene group in which an etheric oxygen atom may be inserted between carbon atoms.
- f2 and f3 are each an integer of 1 to 3
- R F2 is a polyfluoroalkylene group in which an etheric oxygen atom may be inserted between a carbon atom and a carbon atom having 4 to 16 carbon atoms.
- Q in the monomer a2 is a group in which a group force including methylene, dimethylene and trimethylene forces is selected, and a hydrogen atom in the main chain is a fluorine atom, a hydroxyl group, an alkyl group having 1 to 6 carbon atoms, carbon 1 to 6 hydroxyalkyl groups, carbon atoms 1 to 6 carbon atoms with an etheric oxygen atom inserted between carbon atoms, and 1 to 6 carbon atoms with an etheric oxygen atom inserted between carbon atoms 1
- a hydroxyalkyl group of ⁇ 6 is a group substituted with a selected group, and a group in which one or more hydrogen atoms forming a carbon-hydrogen bond in the group is substituted with a fluorine atom is preferred.
- monomer al examples include the following compounds.
- CH 2 C (CH 3 ) COOCH 2 CF (CF 3 ) 0 (CF 2 CF (CF 3 ) 0) 2 (CF 2 ) 3 F
- CF 2 CFCH (CH 2 C (CF 3 ) 2 OH) CH 2 CH ⁇ CH 2
- the curable composition of the present invention adjusts the physical properties (hardness, refractive index, transparency, heat resistance, etc.) of the cured product. From this viewpoint, the monomer (C) having no fluorine atom may be contained.
- Examples of the monomer (C) include the following compounds.
- Olefin norbornene, norbornagen, butadiene and the like.
- Vinylenoetenore cyclohexenoremethinorevininoreatenore, isobutinorevininoreethenore, cyclohexenolevinoreethenore, ethinolevinoreethenore, glycidinorevininoreether, 4-hydroxybutyl vinyl ether, etc.
- (Meth) acrylic acid and its derivatives (Meth) acrylic acid, funochetyl (meth) atari Rate, benzyl (meth) acrylate, stearyl (meth) acrylate, lauryl (meth) acrylate, 2-ethylhexyl (meth) acrylate, allyl (meth) acrylate, 1, 3 butane diol di (meth) acrylate 1, 4 Butanediol di (meth) acrylate, 1, 6 hexanediol di (meth) acrylate, trimethylolpropane tri (meth) acrylate, pentaerythritol tri (meth) acrylate, dipentaerythritol Oxa (meth) acrylate, ethoxy ethyl (meth) acrylate, methoxy ethyl (meth) acrylate, glycidyl (meth) acrylate, tetrahydro
- Styrene and its derivatives styrene, tert-butoxystyrene, 2-methoxy-4-bi-phenol, tert-butyl-4-butylphenol carbonate, and the like.
- the content of the monomer (A) with respect to the total amount of the monomer (A) and the monomer (C) is preferably 50% by mass or more. Particularly preferred is 75% by mass or more.
- the total amount of fluorine atoms contained in the monomer (A) is 30% by mass or more based on the total amount of the monomer (A) and the monomer (C). It is particularly preferable that it is 45% by mass or more.
- the total amount of the fluorine atoms is preferably 60% by mass or less.
- Total amount of monomer (A) and monomer (C) in the curable composition of the present invention (when the curable composition of the present invention does not contain monomer (C), the total amount of monomer (A)). ) Is preferably 50% by mass or more, particularly preferably 75% by mass or more.
- the polymerization initiator (B) in the present invention is preferably a photopolymerization initiator having a fluorine atom or a thermal polymerization initiator having a fluorine atom.
- the photopolymerization initiator is a fluorine-containing compound that causes a radical reaction or an ionic reaction by light.
- the photopolymerization initiator is preferably a fluorine-containing organic compound. Since the curing is easy and a fine pattern of the mold can be formed with high accuracy, the curable composition of the present invention polymerizes the monomer (A) by light irradiation. It is preferable to form a cured product.
- the polymerization initiator (B) is particularly preferably a photopolymerization initiator having a fluorine atom.
- the fluorine content in the photopolymerization initiator having a fluorine atom is preferably 10 to 70% by mass, particularly preferably 20 to 60% by mass.
- Examples of the photopolymerization initiator having a fluorine atom include an organic peroxide having a fluorine atom and an acetophone-based compound having a fluorine atom.
- organic peroxide having a fluorine atom examples include perfluoro (t-butylperoxide) and perfluorobenzoylperoxide.
- acetophenone-based compound examples include compounds represented by the following formula (pi).
- A represents a group represented by the formula — C (Z 2 ) (Z 3 ) — or a carbo group.
- ZZ 2 and Z 3 are each independently an alkyl group having 1 to 20 carbon atoms, a carbon atom, or an ether between carbon atoms.
- Z 1 represents a C 2-20 polyfluoroalkyl group which may have an etheric oxygen atom between carbon atoms.
- Examples of the compound represented by the formula (pi) include the following compounds.
- thermal polymerization initiator (B2) examples include fluorine-containing diacyl peroxide, fluorine-containing peroxydicarbonate, fluorine-containing peroxyester, and fluorine-containing dialkyl peroxide, which are preferably organic peroxides having fluorine atoms. Oxide or fluorine-containing dialle peroxide Is particularly preferred.
- Fluorine-containing diacyl peroxide includes [C F C (0) 0], [C F C (CH) C (O)
- C F represents a perfluorophenol group
- Fluorine-containing peroxyesters include CF CF CH OOC (0) C (CF), (CF)
- Fluorine-containing dialkyl peroxides include [CF C F C (CF) O] and [(CF) CO].
- C F represents a perfluoro (1,4-phenylene) group.
- Examples of the fluorine-containing diaryl peroxide include [CFO] and the like.
- the curable composition of the present invention comprises a total amount of the monomer (A) and the monomer (C) (if the curable composition of the present invention does not contain the monomer (C), the total amount of the monomer (A).
- the polymerization initiator (B) is preferably contained in an amount of 0.1 to 16% by mass, more preferably 2 to 14% by mass, and more preferably 3 to 12% by mass. In this case, the polymerization of the monomer (A) proceeds in a high density and in a short time, and a cured product having sufficient physical properties can be easily formed.
- the curable composition of the present invention preferably contains a fluorine-containing surfactant.
- the curable composition of the present invention contains a fluorine-containing surfactant
- the curable composition and the cured product of the curable composition are further improved in releasability and can be smoothly peeled off from the mold.
- the fluorine-containing surfactant is highly compatible with the monomer (A) and the monomer (C) and further improves the stability of the curable composition.
- the fluorine content of the fluorine-containing surfactant is preferably 10 to 70% by mass, particularly preferably 20 to 40% by mass.
- the fluorine-containing surfactant may be water-soluble or fat-soluble.
- the fluorine-containing surfactant is preferably an ionic fluorine-containing surfactant, a cationic fluorine-containing surfactant, an amphoteric fluorine-containing surfactant, or a non-one fluorine-containing surfactant. . Since the compatibility with the monomer (A) and the monomer (C) is particularly excellent, a nonionic fluorine-containing surfactant is particularly preferable.
- fluorinated surfactant containing fluorine examples include polyfluoroalkyl carboxylates, polyfluoroalkyl phosphates, polyfluoroalkyl sulfonates, and the like.
- surfactants include Surflon S-111 (trade name, manufactured by Seimi Chemical Co., Ltd.), Florad FC-143 (trade name, manufactured by 3EM), Megafark F-120 (trade name, Dainippon Ink Industries, Ltd.) Etc.).
- Cationic fluorine-containing surfactants include aliphatic primary amino acids having a polyfluoroalkyl group, aliphatic secondary amino acids having a polyfluoroalkyl group, and polyfluoroalkylsulfonamidopropyltrimethylammo. -Um salt etc.
- Specific examples of these surfactants include Surflon S-121 (trade name, manufactured by Seimi Chemical Co., Ltd.), Florad FC-134 (trade name, manufactured by 3EM), Megafark F-150 (trade name, Dainippon) Ink Industries Co., Ltd.).
- amphoteric fluorine-containing surfactant examples include polyfluoroalkylbetaines.
- surfactants include Surflon S-132 (trade name, manufactured by Seimi Chemical Co., Ltd.), Florado FX-172 (trade name, manufactured by 3EM), Megafark F-120 (trade name, Dainippon Ink Industries, Ltd.) Etc.).
- Examples thereof include polymers.
- Bruno - one fluorine-containing surface active agent is an oligomer comprising a monomer unit based on a monomer having a R F group (mass-average Koryou is 1000 to 8000) is preferred.
- Monomers having an R F group is particularly preferably a preferable tool Furuoroarukiru (meth) Atari rate that is Furuoro (meth) Atarire over preparative
- non-ionic fluorine-containing surfactant examples include Surflon S-145 (trade name, manufactured by Seimi Chemical Co., Ltd.), Surflon S-393 (trade name, manufactured by Seimi Chemical Co., Ltd.), Surflon K H-20 (trade name, manufactured by Seimi Chemical Co., Ltd.), Surflon KH-40 (trade name, manufactured by Seimi Chemical Co., Ltd.), Florad FC-170 (trade name, manufactured by 3EM), Florad FC-430 (trade name, 3EM) ), MegaFark F-141 (trade name, manufactured by Dainippon Ink Industries, Ltd.) and the like.
- the curable composition of the present invention comprises a total amount of the monomer (A) and the monomer (C) (if the curable composition of the present invention does not contain the monomer (C)! It is preferable to contain more than 0.1 to 5% by mass of the fluorine-containing surfactant with respect to the total amount).
- the curable composition of the present invention may contain a solvent or may contain substantially no solvent. Since the operation of removing the solvent is unnecessary when sandwiched and pressed between the reverse pattern surface of the mold and the substrate surface, the curable composition of the present invention does not substantially contain a solvent. U prefer. Since the curable composition of the present invention has high compatibility between the monomer (A) and the polymerization initiator (B), a uniform composition can be formed without containing a solvent. However, the solvent used in the preparation of the curable composition may be included as a residual solvent. In this case as well, it is preferable that the solvent is distilled off as much as possible. When the curable composition does not substantially contain a solvent, there is also an effect that the volume shrinkage of the curable composition upon curing is small.
- the curable composition of the present invention is cured after being sandwiched and pressed between the reverse pattern surface of a mold having a reverse pattern of a fine pattern (hereinafter also simply referred to as a mold) and the substrate surface. This is used to form a fine pattern of the cured product on the substrate surface.
- the curable composition of the present invention may be sandwiched between the reversal pattern surface of the mold and the substrate surface and cured while being pressed, or may be sandwiched between the reversal pattern surface of the mold and the substrate surface. After pressing, the mold may be peeled off to cure the force.
- the fine pattern formed on the surface of the substrate is formed by an uneven structure made of a cured product of the curable composition.
- the structure having the uneven structure is referred to as an uneven structure.
- the concavo-convex structure is made of a cured product of the curable composition, and is disposed on the surface of the base material to form a fine pattern.
- the concavo-convex structure may have a layer structure composed of a continuous body having a concavo-convex shape on the surface, or may have a structure that is a collective force of independent protrusions.
- the former is a base material A structure consisting of a cured product layer covering the surface, where the surface of the cured product layer is uneven.
- the latter refers to a structure in which a large number of protrusions having a cured product force exist independently on the surface of the base material, and an uneven shape is formed together with a concave portion having a base material surface force.
- the portion (projection) forming the convex structure is made of a cured product of the curable composition.
- the uneven structure is those
- It has a structure that has two structures at different positions on the substrate surface.
- the fine pattern is formed by this uneven structure.
- the portion of the concavo-convex structure or the protrusion (hereinafter, both are referred to as the convex structure) exists in the form of lines or dots on the surface of the cured product layer or the substrate, and the shape of the lines or points is not particularly limited. .
- the linear convex structure is not limited to a straight line, and may be a curved line or a bent shape. Also, many of the lines exist in parallel and form stripes!
- the cross-sectional shape of the linear convex structure (the cross-sectional shape perpendicular to the direction in which the line extends) is not particularly limited, and examples thereof include a rectangle, a trapezoid, a triangle, and a semicircle.
- the shape of the dotted convex structure is not particularly limited.
- columnar or pyramidal shapes, hemispherical shapes, polyhedral shapes, etc. whose bottom surface shape is rectangular, square, rhombus, hexagon, triangle, circle or the like.
- the average of the width of the linear convex structure portion (referring to the width of the bottom portion) is preferably from lnm to 100 m, particularly preferably from 10 ⁇ m to 10m.
- the average length of the bottom surface of the point-like convex structure is preferably 1 ⁇ to 100 / ⁇ m, particularly preferably 1011111 to 10111.
- the length of the bottom surface of this point-shaped convex structure means the length in the direction perpendicular to the extending direction when the point extends in a shape close to a line, and otherwise the length of the bottom surface shape.
- the average height of the linear and dotted convex structures is preferably from 1 nm to 100 ⁇ m, particularly preferably from 10 nm to 10 ⁇ m.
- the average distance between adjacent convex structures is preferably from lnm to 500 m, particularly preferably from 10 nm to 50 m.
- these minimum dimensions in the convex structure are preferably 500 m or less, particularly preferably 50 m or less.
- the lower limit is preferably lnm. This minimum dimension means the minimum of the width, length and height of the convex structure.
- the substrate may be a planar substrate or a curved substrate.
- the substrate include substrates made of inorganic materials such as silicon wafer, glass, quartz glass, and metals; substrates made of organic materials such as fluorine resin, silicone resin, acrylic resin, and polycarbonate resin.
- surface You may use the base material which improved the adhesiveness with a curable composition by process (A silane coupling process, a silazane process, etc.).
- the mold has a reverse pattern of the fine pattern.
- An inverted pattern is a pattern in which the concavo-convex structure in the fine pattern is reversed (that is, the concave is convex and the convex is concave).
- the shape of the reverse pattern in the mold has a concavo-convex structure corresponding to the fine pattern. That is, the shape of the convex structure portion of the fine pattern is the shape of the concave structure portion in the reverse pattern.
- the shape and dimensions of the concave structure of the reverse pattern correspond to the shape and dimensions of the fine pattern.
- the depth of the concave structure portion of the reverse pattern (corresponding to the height of the convex structure portion of the fine pattern) may be different from the height of the convex structure portion of the fine pattern.
- the minimum dimension in the concave structure of the inverted pattern is preferably 500 / zm or less, particularly preferably 50 / zm or less.
- the lower limit is lnm, U.
- Examples of the mold include a mold made of a non-translucent material such as a silicon wafer, SiC, My strength, and the like; a mold made of a translucent material such as glass, polydimethylsiloxane, and transparent fluorine resin.
- a base material made of a light-transmitting material or a mold made of a light-transmitting material.
- the present invention provides a curable composition containing a monomer (A) and a polymerization initiator (B) between a reverse pattern surface of a mold having a reverse pattern of a fine pattern and a substrate surface.
- Step of sandwiching and pressing hereinafter referred to as step 1), step of forming a cured product by curing the curable composition (hereinafter referred to as step 2), step of peeling the mold from the cured product (hereinafter referred to as step) 3) is sequentially performed, and a method for producing a fine structure (hereinafter also simply referred to as a fine structure) comprising a base material on which a fine pattern of a cured product of the curable composition is formed on the surface is provided.
- the curable composition is preferably the curable composition of the present invention.
- step 1 includes the following step 11, the following step 12, and the following step 13.
- Step 11 A step of placing the curable composition on the surface of the substrate and then pressing the substrate and the mold so that the curable composition is in contact with the pattern surface of the mold.
- Step 12 A step of placing the curable composition on the pattern surface of the mold and then pressing the substrate and the mold so that the surface of the substrate is in contact with the curable composition.
- Step 13 Combining the base material and the mold to form a gap between the surface of the base material and the pattern surface of the mold, and then filling the void with a curable composition, A step of sandwiching and pressing the curable composition between the materials.
- the arrangement of the curable composition in step 11 and step 12 is potting method, spin coating method, roll coating method, casting method, dip coating method, die coating method, Langmuir jet method, vacuum deposition method, etc. It is preferable to coat the substrate surface with the curable composition using the above method.
- the curable composition may be coated on the entire surface of the substrate or only on a part of the substrate.
- the pressing pressure (gauge pressure) when pressing the base material and the mold is more than 0 to 10MPa force girls, 0.1 to 5MPa force girls! / ⁇ .
- step 13 as a method of filling the void with the curable yarn and the composition, a method of sucking the curable composition into the void by capillarity can be mentioned.
- Curing of the curable composition in step 2 is preferably performed by light irradiation when the curable composition is photocurable, and by heating when the curable composition is thermosetting. That's right. Curing of the curable composition by light irradiation is performed by light irradiation from the mold side when using a translucent material mold, and light from the base material side when using a light transmitting material base material. It is preferable to do it according to the irradiation method. It is preferable that the light has a wavelength of 200 to 400 nm! In this case, the temperature of the system is preferably 0-60 ° C! /.
- the curable composition containing the monomer (A) and the polymerization initiator (B) is sandwiched between the substrate surface and the reverse pattern surface of the mold having the reverse pattern of the fine pattern.
- Step 4 a step of peeling the mold from the curable composition (hereinafter referred to as step 5), and a step of curing the curable composition to form a cured product (hereinafter referred to as step 5).
- step 6 a step of curing the curable composition to form a cured product.
- the curable composition is preferably the curable composition of the present invention.
- Step 4 include the same embodiments as the specific embodiments of Step 1 (Step 11, Step 12, Step 13, and the like below).
- Curing of the curable composition in step 6 is performed when the curable composition is photocurable. Is preferably carried out by irradiation with light and when the curable composition is thermosetting. Curing of the curable composition by light irradiation is performed by light irradiation from the mold side when using a translucent material mold, and light from the base material side when using a light transmitting material base material. It is preferable to do it according to the irradiation method. It is preferable that the light has a wavelength of 200 to 400 nm! In this case, the temperature of the system is preferably 0-60 ° C! /.
- the fine structure obtained by the production method of the present invention has a fine structure in which fine protrusions made of a cured product of the curable composition of the present invention form a fine pattern and are arranged on the substrate surface. It is.
- the microstructure is excellent in physical properties such as heat resistance, chemical resistance, releasability, and optical properties (transparency and low refractive index).
- the microstructure obtained by the manufacturing method of the present invention includes an optical element such as a microlens array, an optical waveguide, optical switching, a Fresnel zone plate, a binary element, a blaze element, and a photo-tus crystal; AR (Anti Reflection It is useful as a coating member, biochip, TAS (Micro-Total Analysis Systems) chip, microreactor chip, recording medium, display material, catalyst carrier, filter, sensor member, and the like.
- an optical element such as a microlens array, an optical waveguide, optical switching, a Fresnel zone plate, a binary element, a blaze element, and a photo-tus crystal
- AR Anti Reflection It is useful as a coating member, biochip, TAS (Micro-Total Analysis Systems) chip, microreactor chip, recording medium, display material, catalyst carrier, filter, sensor member, and the like.
- Preferred embodiments of the present invention include the following pattern forming method 1 and the following pattern forming method 2.
- a step in which a substrate and a mold having a pattern formed on the surface are brought close to or in contact with each other so that the pattern is on the substrate side, a polymerizable compound having a fluorine content of 40 to 70% by mass, and light having fluorine atoms A curable composition containing a polymerization initiator, a substrate and a mold And a step of curing the curable composition by light irradiation in a state where the substrate and the mold are close to or in contact with each other, and a step of separating the mold from the cured product of the curable composition. Pattern formation method.
- the minimum dimension of the pattern in the pattern forming method 1 and the pattern forming method 2 is preferably 50 m or less.
- Fluorine content force 0-70 wt% of the polymerizable I ⁇ comprises, is preferably the full Tsu-containing amount is 40 to 70 mass 0/0 of the monomer (A)! /,.
- Monomer A 3 can also be a mixture force of different compounds of number m.) (Fluorine content about 54.2%) and Z or Monomer A 4 below (Fluorine content about 38.2%) It was.
- CH 2 C (CH 3 ) COOCH 2 CH 2 (CF2) 6 F (A 1 )
- initiator B 1 perfluorobenzoyl peroxide (hereinafter referred to as initiator B 1 intends Toi.) was used.
- initiator D 1 photopolymerization initiator having no fluorine atom
- initiator D 1 photopolymerization initiator having no fluorine atom
- fluorine-containing surfactant a non-one fluorine-containing surfactant (trade name: Surflon S-39 3 manufactured by Seimi Chemical Co., Ltd.), which is an oligomer of polyfluoroalkyl (meth) acrylate, was used. .
- the main wavelength light at 1.5 kHz to 2. OkHz is 255 nm, 315 nm and 36
- a 5 nm high-pressure mercury lamp (irradiation intensity: 63 mjZcm 2 ) was used.
- the ratio of the photopolymerization initiator to the total amount of monomers in each photocurable composition Total is expressed in% as the initiator content.
- Photocurable composition 1 (0.8 L) was dropped onto the silicon wafer to form a layer made of photocurable composition 1 on the silicon wafer.
- a quartz mold having a concave structure with a width of 1 ⁇ m, a depth of 260 nm, and a length of 10 m is sandwiched between the layer of the silicon wafer and a pressure of 0.5 MPa at 25 ° C (gauge Pressure).
- the photocurable composition 1 was cured by irradiating a light source from the mold side for 30 seconds.
- the mold is peeled off from the silicon wafer, and the cured product of the photocurable composition 1 is a fine structure having a convex structure (a convex structure having a width of 0.99 m and a height of 258 nm) in which the concave structure of the mold is inverted.
- a microstructure comprising a silicon wafer with a pattern formed on the surface was obtained.
- a photocurable composition 2 (initiator content: 4.2%) was obtained by filtration using a filter. Except for using photocurable composition 2 in place of photocurable composition 1, in the same manner as in Example 1, the cured structure of photocurable composition 2 has a convex structure (width 0 A convex structure with a height of 99 ⁇ m and a height of 259 nm was obtained.
- Photocurable composition and production example of microstructure (Part 4) 0.90 g of monomer A 2 and 0.10 g of initiator B 1 were mixed and dissolved, and then filtered through a filter with a pore size of 0.45 m to obtain a photocurable composition 4 (initiator content 11 1%). Except for using photocurable composition 4 instead of photocurable composition 1, in the same manner as in Example 1, the cured product of photocurable composition 4 has a fine structure having a convex structure in which the concave structure of the mold is inverted. A fine structure comprising silicon wells having a turn formed on the surface was obtained.
- the pore size is 0.45 m. Filtration through a filter gave a photocurable composition (initiator content: 0.5%).
- the photocurable composition was cured in the same manner as in Example 1 except that the photocurable composition was used instead of the photocurable composition 1. In order to sufficiently cure the photocurable composition, a light source was used. 300 seconds of irradiation needed
- the manufacturing method of the present invention includes an optical element (microlens array, optical waveguide, optical switching, Fresnel zone plate, binary optical element, blaze optical element, photo-tus crystal, etc.), AR coat member, biochip, ⁇ S. It can be used for manufacturing methods for chips, microreactor chips, recording media, display materials, catalyst carriers, filters, sensor members, etc., and fine processing methods in semiconductor device manufacturing processes. It should be noted that the entire contents of the specification, claims, drawings and abstract of Japanese Patent Application No. 2004-269803, filed on September 16, 2004, are hereby incorporated herein by reference. As it is incorporated.
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Description
Claims
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JP2006310565A (ja) * | 2005-04-28 | 2006-11-09 | Asahi Glass Co Ltd | 加工基板の製造方法 |
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JP2008105414A (ja) * | 2006-09-27 | 2008-05-08 | Fujifilm Corp | 光ナノインプリントリソグラフィ用硬化性組成物およびそれを用いたパターン形成方法 |
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