KR20150111864A - 점착 시트 - Google Patents
점착 시트 Download PDFInfo
- Publication number
- KR20150111864A KR20150111864A KR1020150040510A KR20150040510A KR20150111864A KR 20150111864 A KR20150111864 A KR 20150111864A KR 1020150040510 A KR1020150040510 A KR 1020150040510A KR 20150040510 A KR20150040510 A KR 20150040510A KR 20150111864 A KR20150111864 A KR 20150111864A
- Authority
- KR
- South Korea
- Prior art keywords
- pressure
- sensitive adhesive
- adhesive sheet
- acrylate
- alkyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000853 adhesive Substances 0.000 title claims description 43
- 230000001070 adhesive effect Effects 0.000 title claims description 43
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 135
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 49
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 46
- 239000010410 layer Substances 0.000 claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 30
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 29
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 21
- 229920001577 copolymer Polymers 0.000 claims abstract description 10
- 230000001678 irradiating effect Effects 0.000 claims abstract description 7
- 229920006243 acrylic copolymer Polymers 0.000 claims description 52
- 238000000034 method Methods 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 16
- -1 alkyl methacrylate Chemical compound 0.000 claims description 13
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- 238000002834 transmittance Methods 0.000 claims description 9
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 229920005604 random copolymer Polymers 0.000 claims description 7
- 125000005250 alkyl acrylate group Chemical group 0.000 claims description 3
- 235000012431 wafers Nutrition 0.000 description 37
- 239000004065 semiconductor Substances 0.000 description 26
- 239000000178 monomer Substances 0.000 description 16
- 229920000642 polymer Polymers 0.000 description 13
- 150000001875 compounds Chemical class 0.000 description 12
- 229920000058 polyacrylate Polymers 0.000 description 12
- 238000000227 grinding Methods 0.000 description 10
- 238000011156 evaluation Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 5
- 125000003277 amino group Chemical group 0.000 description 5
- 239000000470 constituent Substances 0.000 description 5
- 238000001723 curing Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 239000003999 initiator Substances 0.000 description 3
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- 238000012545 processing Methods 0.000 description 3
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- 239000011347 resin Substances 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- PSGCQDPCAWOCSH-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) prop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C=C)CC1C2(C)C PSGCQDPCAWOCSH-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 2
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- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 239000003522 acrylic cement Substances 0.000 description 2
- 229920005603 alternating copolymer Polymers 0.000 description 2
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- 229920001400 block copolymer Polymers 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 2
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- QWUWMCYKGHVNAV-UHFFFAOYSA-N 1,2-dihydrostilbene Chemical group C=1C=CC=CC=1CCC1=CC=CC=C1 QWUWMCYKGHVNAV-UHFFFAOYSA-N 0.000 description 1
- MSAHTMIQULFMRG-UHFFFAOYSA-N 1,2-diphenyl-2-propan-2-yloxyethanone Chemical compound C=1C=CC=CC=1C(OC(C)C)C(=O)C1=CC=CC=C1 MSAHTMIQULFMRG-UHFFFAOYSA-N 0.000 description 1
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 description 1
- BJQHLKABXJIVAM-BGYRXZFFSA-N 1-o-[(2r)-2-ethylhexyl] 2-o-[(2s)-2-ethylhexyl] benzene-1,2-dicarboxylate Chemical compound CCCC[C@H](CC)COC(=O)C1=CC=CC=C1C(=O)OC[C@H](CC)CCCC BJQHLKABXJIVAM-BGYRXZFFSA-N 0.000 description 1
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-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
- KMNCBSZOIQAUFX-UHFFFAOYSA-N 2-ethoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OCC)C(=O)C1=CC=CC=C1 KMNCBSZOIQAUFX-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- DPNXHTDWGGVXID-UHFFFAOYSA-N 2-isocyanatoethyl prop-2-enoate Chemical compound C=CC(=O)OCCN=C=O DPNXHTDWGGVXID-UHFFFAOYSA-N 0.000 description 1
- BQZJOQXSCSZQPS-UHFFFAOYSA-N 2-methoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OC)C(=O)C1=CC=CC=C1 BQZJOQXSCSZQPS-UHFFFAOYSA-N 0.000 description 1
- BUZICZZQJDLXJN-UHFFFAOYSA-N 3-azaniumyl-4-hydroxybutanoate Chemical compound OCC(N)CC(O)=O BUZICZZQJDLXJN-UHFFFAOYSA-N 0.000 description 1
- JHWGFJBTMHEZME-UHFFFAOYSA-N 4-prop-2-enoyloxybutyl prop-2-enoate Chemical compound C=CC(=O)OCCCCOC(=O)C=C JHWGFJBTMHEZME-UHFFFAOYSA-N 0.000 description 1
- FIHBHSQYSYVZQE-UHFFFAOYSA-N 6-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound C=CC(=O)OCCCCCCOC(=O)C=C FIHBHSQYSYVZQE-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
- QSJXEFYPDANLFS-UHFFFAOYSA-N Diacetyl Chemical group CC(=O)C(C)=O QSJXEFYPDANLFS-UHFFFAOYSA-N 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N Diethylhexyl phthalate Natural products CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 244000028419 Styrax benzoin Species 0.000 description 1
- 235000000126 Styrax benzoin Nutrition 0.000 description 1
- 235000008411 Sumatra benzointree Nutrition 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 1
- INXWLSDYDXPENO-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-[[3-prop-2-enoyloxy-2,2-bis(prop-2-enoyloxymethyl)propoxy]methyl]propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(COC(=O)C=C)(CO)COCC(COC(=O)C=C)(COC(=O)C=C)COC(=O)C=C INXWLSDYDXPENO-UHFFFAOYSA-N 0.000 description 1
- MPIAGWXWVAHQBB-UHFFFAOYSA-N [3-prop-2-enoyloxy-2-[[3-prop-2-enoyloxy-2,2-bis(prop-2-enoyloxymethyl)propoxy]methyl]-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(COC(=O)C=C)(COC(=O)C=C)COCC(COC(=O)C=C)(COC(=O)C=C)COC(=O)C=C MPIAGWXWVAHQBB-UHFFFAOYSA-N 0.000 description 1
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- ATMLPEJAVWINOF-UHFFFAOYSA-N acrylic acid acrylic acid Chemical class OC(=O)C=C.OC(=O)C=C ATMLPEJAVWINOF-UHFFFAOYSA-N 0.000 description 1
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 1
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- 239000002390 adhesive tape Substances 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 125000005529 alkyleneoxy group Chemical group 0.000 description 1
- HXBPYFMVGFDZFT-UHFFFAOYSA-N allyl isocyanate Chemical compound C=CCN=C=O HXBPYFMVGFDZFT-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
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- 229960002130 benzoin Drugs 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
- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical compound C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 description 1
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- 239000000919 ceramic Substances 0.000 description 1
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- 238000007334 copolymerization reaction Methods 0.000 description 1
- 125000006841 cyclic skeleton Chemical group 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- KOMDZQSPRDYARS-UHFFFAOYSA-N cyclopenta-1,3-diene titanium Chemical class [Ti].C1C=CC=C1.C1C=CC=C1 KOMDZQSPRDYARS-UHFFFAOYSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
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- VFHVQBAGLAREND-UHFFFAOYSA-N diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 VFHVQBAGLAREND-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- BXKDSDJJOVIHMX-UHFFFAOYSA-N edrophonium chloride Chemical compound [Cl-].CC[N+](C)(C)C1=CC=CC(O)=C1 BXKDSDJJOVIHMX-UHFFFAOYSA-N 0.000 description 1
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- 239000003480 eluent Substances 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Chemical compound CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 229920005648 ethylene methacrylic acid copolymer Polymers 0.000 description 1
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- 239000003063 flame retardant Substances 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
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- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
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- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- LUCXVPAZUDVVBT-UHFFFAOYSA-N methyl-[3-(2-methylphenoxy)-3-phenylpropyl]azanium;chloride Chemical compound Cl.C=1C=CC=CC=1C(CCNC)OC1=CC=CC=C1C LUCXVPAZUDVVBT-UHFFFAOYSA-N 0.000 description 1
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- 239000010936 titanium Substances 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C09J7/0267—
-
- C09J7/0217—
Landscapes
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Chemical & Material Sciences (AREA)
- Laser Beam Processing (AREA)
- Laminated Bodies (AREA)
- Dicing (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
Description
도 2는 본 발명의 점착 시트를 사용하여 칩 부재를 제조하는 방법을 나타내는 모식적인 단면도이며, 반도체 웨이퍼에 개질부가 형성되는 공정을 도시하는 도면이다.
도 3은 본 발명의 점착 시트를 사용하여 칩 부재를 제조하는 방법을 나타내는 모식적인 단면도이며, 점착 시트가 익스팬드되는 공정을 도시하는 도면이다.
10A 중앙 영역
10B 주연부
10C 외주 영역
11 기재
12 점착제층
13 링 프레임
14 반도체 웨이퍼(판상 부재)
15 레이저광원
16 개질부
18 반도체 칩
20 지그
Claims (14)
- 판상 부재에 레이저광을 조사하여 개질부를 형성하고, 상기 판상 부재를 분할하여 칩화하는 것에 사용하는 점착 시트로서,
기재와, 상기 기재의 한쪽 면에 설치된 점착제층을 구비하고,
상기 기재가, 알킬기의 탄소수가 4 내지 8인 알킬(메트)아크릴레이트 (a)와, 알킬기의 탄소수가 1 내지 3인 알킬(메트)아크릴레이트 (b)의 공중합체인 아크릴 공중합체 (A)를 주성분으로서 함유하는 아크릴 필름을 포함하는, 점착 시트. - 제1항에 있어서, 아크릴 공중합체 (A)는, 알킬(메트)아크릴레이트 (a)와 알킬(메트)아크릴레이트 (b)를 질량비 10:90 내지 40:60으로 공중합한 것인, 점착 시트.
- 제1항 또는 제2항에 있어서, 상기 아크릴 공중합체 (A)가 랜덤 공중합체인, 점착 시트.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 아크릴 공중합체 (A)가, 중량 평균 분자량이 60만 이상인 아크릴 공중합체 (A1)과, 중량 평균 분자량이 40만 이하인 아크릴 공중합체 (A2)를 혼합한 것인, 점착 시트.
- 제4항에 있어서, 아크릴 공중합체 (A1)과 아크릴 공중합체 (A2)의 혼합 비율이 질량비로 5:95 내지 35:65인, 점착 시트.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 알킬(메트)아크릴레이트 (a)가 알킬기의 탄소수가 4 내지 8인 알킬아크릴레이트임과 동시에, 알킬(메트)아크릴레이트 (b)가 알킬기의 탄소수가 1 내지 3인 알킬메타크릴레이트인, 점착 시트.
- 제6항에 있어서, 알킬(메트)아크릴레이트 (a)가 부틸아크릴레이트이며, 알킬(메트)아크릴레이트 (b)가 메틸메타크릴레이트인, 점착 시트.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 기재의 영률이 50 내지 500MPa인, 점착 시트.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 상기 기재의 한쪽 면과는 반대측 면의 중심선 평균 거칠기 Ra가 0.1㎛ 이하인, 점착 시트.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 상기 기재의 한쪽 면의 중심선 평균 거칠기 Ra가 0.15㎛ 이상인, 점착 시트.
- 제1항 내지 제10항 중 어느 한 항에 있어서, 전체 광선 투과율이 85% 이상이고 HAZE가 7% 이하인, 점착 시트.
- 제1항 내지 제11항 중 어느 한 항에 있어서, 상기 점착제층이 아크릴계 점착제로부터 형성되는, 점착 시트.
- 판상 부재의 한쪽 면에, 제1항 내지 제12항 중 어느 한 항에 기재된 점착 시트를 첩부하는 공정과,
상기 판상 부재에 첩부된 점착 시트를 통하여, 상기 판상 부재에 레이저광을 조사하여 개질부를 형성하는 공정과,
상기 점착 시트의 익스팬드에 의해 상기 판상 부재를 분할하여 칩화하고, 칩상 부재를 얻는 공정을 구비하는, 칩상 부재의 제조 방법. - 제13항에 있어서, 상기 칩상 부재는 점착 시트의 중앙 영역에 첩부되어 있고,
상기 중앙 영역의 외측 영역인 점착 시트의 외주 영역을 가열하여 수축시키는 공정을 더 구비하는, 칩상 부재의 제조 방법.
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