WO2012043450A1 - 液状樹脂組成物および半導体装置 - Google Patents
液状樹脂組成物および半導体装置 Download PDFInfo
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- WO2012043450A1 WO2012043450A1 PCT/JP2011/071836 JP2011071836W WO2012043450A1 WO 2012043450 A1 WO2012043450 A1 WO 2012043450A1 JP 2011071836 W JP2011071836 W JP 2011071836W WO 2012043450 A1 WO2012043450 A1 WO 2012043450A1
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- WIPO (PCT)
- Prior art keywords
- meth
- acrylate
- resin composition
- liquid resin
- acrylic copolymer
- Prior art date
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- 239000007788 liquid Substances 0.000 title claims abstract description 63
- 239000011342 resin composition Substances 0.000 title claims abstract description 56
- 239000004065 semiconductor Substances 0.000 title claims abstract description 38
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 109
- 229920006243 acrylic copolymer Polymers 0.000 claims abstract description 72
- 239000000178 monomer Substances 0.000 claims abstract description 66
- 125000000524 functional group Chemical group 0.000 claims abstract description 53
- 239000000470 constituent Substances 0.000 claims abstract description 40
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 38
- -1 n-octyl Chemical group 0.000 claims description 52
- 239000000463 material Substances 0.000 claims description 20
- 125000004432 carbon atom Chemical group C* 0.000 claims description 18
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 4
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 3
- 125000005439 maleimidyl group Chemical group C1(C=CC(N1*)=O)=O 0.000 claims description 3
- 125000003136 n-heptyl 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])* 0.000 claims description 3
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 abstract description 13
- 238000005336 cracking Methods 0.000 abstract 1
- 238000005476 soldering Methods 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 19
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 14
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 14
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 14
- 150000003254 radicals Chemical class 0.000 description 13
- 239000012986 chain transfer agent Substances 0.000 description 11
- 238000013329 compounding Methods 0.000 description 11
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 11
- 238000002360 preparation method Methods 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 9
- 238000002156 mixing Methods 0.000 description 9
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- 229920001515 polyalkylene glycol Polymers 0.000 description 5
- 238000003892 spreading Methods 0.000 description 5
- 238000009736 wetting Methods 0.000 description 5
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000003505 polymerization initiator Substances 0.000 description 4
- 239000007870 radical polymerization initiator Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000005062 Polybutadiene Substances 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical class C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000007822 coupling agent Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 229920002857 polybutadiene Polymers 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- NOBYOEQUFMGXBP-UHFFFAOYSA-N (4-tert-butylcyclohexyl) (4-tert-butylcyclohexyl)oxycarbonyloxy carbonate Chemical compound C1CC(C(C)(C)C)CCC1OC(=O)OOC(=O)OC1CCC(C(C)(C)C)CC1 NOBYOEQUFMGXBP-UHFFFAOYSA-N 0.000 description 2
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000006087 Silane Coupling Agent Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000012776 electronic material Substances 0.000 description 2
- 238000007720 emulsion polymerization reaction Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- LNMQRPPRQDGUDR-UHFFFAOYSA-N hexyl prop-2-enoate Chemical compound CCCCCCOC(=O)C=C LNMQRPPRQDGUDR-UHFFFAOYSA-N 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 2
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 229920003192 poly(bis maleimide) Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- DTGKSKDOIYIVQL-WEDXCCLWSA-N (+)-borneol Chemical group C1C[C@@]2(C)[C@@H](O)C[C@@H]1C2(C)C DTGKSKDOIYIVQL-WEDXCCLWSA-N 0.000 description 1
- FVQMJJQUGGVLEP-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy 2-ethylhexaneperoxoate Chemical compound CCCCC(CC)C(=O)OOOC(C)(C)C FVQMJJQUGGVLEP-UHFFFAOYSA-N 0.000 description 1
- QEQBMZQFDDDTPN-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy benzenecarboperoxoate Chemical compound CC(C)(C)OOOC(=O)C1=CC=CC=C1 QEQBMZQFDDDTPN-UHFFFAOYSA-N 0.000 description 1
- MYOQALXKVOJACM-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy pentaneperoxoate Chemical compound CCCCC(=O)OOOC(C)(C)C MYOQALXKVOJACM-UHFFFAOYSA-N 0.000 description 1
- ZORJPNCZZRLEDF-UHFFFAOYSA-N (3-methoxy-3-methylbutoxy)carbonyloxy (3-methoxy-3-methylbutyl) carbonate Chemical compound COC(C)(C)CCOC(=O)OOC(=O)OCCC(C)(C)OC ZORJPNCZZRLEDF-UHFFFAOYSA-N 0.000 description 1
- NLBJAOHLJABDAU-UHFFFAOYSA-N (3-methylbenzoyl) 3-methylbenzenecarboperoxoate Chemical compound CC1=CC=CC(C(=O)OOC(=O)C=2C=C(C)C=CC=2)=C1 NLBJAOHLJABDAU-UHFFFAOYSA-N 0.000 description 1
- RIPYNJLMMFGZSX-UHFFFAOYSA-N (5-benzoylperoxy-2,5-dimethylhexan-2-yl) benzenecarboperoxoate Chemical compound C=1C=CC=CC=1C(=O)OOC(C)(C)CCC(C)(C)OOC(=O)C1=CC=CC=C1 RIPYNJLMMFGZSX-UHFFFAOYSA-N 0.000 description 1
- BLKRGXCGFRXRNQ-SNAWJCMRSA-N (z)-3-carbonoperoxoyl-4,4-dimethylpent-2-enoic acid Chemical compound OC(=O)/C=C(C(C)(C)C)\C(=O)OO BLKRGXCGFRXRNQ-SNAWJCMRSA-N 0.000 description 1
- WBYWAXJHAXSJNI-VOTSOKGWSA-M .beta-Phenylacrylic acid Natural products [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 description 1
- MJYFYGVCLHNRKB-UHFFFAOYSA-N 1,1,2-trifluoroethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(F)(F)CF MJYFYGVCLHNRKB-UHFFFAOYSA-N 0.000 description 1
- FYRCDEARNUVZRG-UHFFFAOYSA-N 1,1,5-trimethyl-3,3-bis(2-methylpentan-2-ylperoxy)cyclohexane Chemical compound CCCC(C)(C)OOC1(OOC(C)(C)CCC)CC(C)CC(C)(C)C1 FYRCDEARNUVZRG-UHFFFAOYSA-N 0.000 description 1
- VBQCFYPTKHCPGI-UHFFFAOYSA-N 1,1-bis(2-methylpentan-2-ylperoxy)cyclohexane Chemical compound CCCC(C)(C)OOC1(OOC(C)(C)CCC)CCCCC1 VBQCFYPTKHCPGI-UHFFFAOYSA-N 0.000 description 1
- VTEYUPDBOLSXCD-UHFFFAOYSA-N 1,1-bis(tert-butylperoxy)-2-methylcyclohexane Chemical compound CC1CCCCC1(OOC(C)(C)C)OOC(C)(C)C VTEYUPDBOLSXCD-UHFFFAOYSA-N 0.000 description 1
- NALFRYPTRXKZPN-UHFFFAOYSA-N 1,1-bis(tert-butylperoxy)-3,3,5-trimethylcyclohexane Chemical compound CC1CC(C)(C)CC(OOC(C)(C)C)(OOC(C)(C)C)C1 NALFRYPTRXKZPN-UHFFFAOYSA-N 0.000 description 1
- OTMBZPVYOQYPBE-UHFFFAOYSA-N 1,1-bis(tert-butylperoxy)cyclododecane Chemical compound CC(C)(C)OOC1(OOC(C)(C)C)CCCCCCCCCCC1 OTMBZPVYOQYPBE-UHFFFAOYSA-N 0.000 description 1
- HSLFISVKRDQEBY-UHFFFAOYSA-N 1,1-bis(tert-butylperoxy)cyclohexane Chemical compound CC(C)(C)OOC1(OOC(C)(C)C)CCCCC1 HSLFISVKRDQEBY-UHFFFAOYSA-N 0.000 description 1
- BEQKKZICTDFVMG-UHFFFAOYSA-N 1,2,3,4,6-pentaoxepane-5,7-dione Chemical compound O=C1OOOOC(=O)O1 BEQKKZICTDFVMG-UHFFFAOYSA-N 0.000 description 1
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- AYMDJPGTQFHDSA-UHFFFAOYSA-N 1-(2-ethenoxyethoxy)-2-ethoxyethane Chemical compound CCOCCOCCOC=C AYMDJPGTQFHDSA-UHFFFAOYSA-N 0.000 description 1
- XSZYESUNPWGWFQ-UHFFFAOYSA-N 1-(2-hydroperoxypropan-2-yl)-4-methylcyclohexane Chemical compound CC1CCC(C(C)(C)OO)CC1 XSZYESUNPWGWFQ-UHFFFAOYSA-N 0.000 description 1
- NQUXRXBRYDZZDL-UHFFFAOYSA-N 1-(2-prop-2-enoyloxyethyl)cyclohexane-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCCCC1(CCOC(=O)C=C)C(O)=O NQUXRXBRYDZZDL-UHFFFAOYSA-N 0.000 description 1
- PWMLMBQHHBLIQM-UHFFFAOYSA-N 1-(3-prop-2-enoyloxypropyl)cyclohexane-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCCCC1(CCCOC(=O)C=C)C(O)=O PWMLMBQHHBLIQM-UHFFFAOYSA-N 0.000 description 1
- KMBSSXSNDSJXCG-UHFFFAOYSA-N 1-[2-(2-hydroxyundecylamino)ethylamino]undecan-2-ol Chemical compound CCCCCCCCCC(O)CNCCNCC(O)CCCCCCCCC KMBSSXSNDSJXCG-UHFFFAOYSA-N 0.000 description 1
- SDXHBDVTZNMBEW-UHFFFAOYSA-N 1-ethoxy-2-(2-hydroxyethoxy)ethanol Chemical compound CCOC(O)COCCO SDXHBDVTZNMBEW-UHFFFAOYSA-N 0.000 description 1
- GQXPNBSLUPGDMC-UHFFFAOYSA-N 1-methyl-2-(2-prop-2-enoyloxyethyl)cyclohexane-1,2-dicarboxylic acid Chemical compound OC(=O)C1(C)CCCCC1(CCOC(=O)C=C)C(O)=O GQXPNBSLUPGDMC-UHFFFAOYSA-N 0.000 description 1
- CQEULCRTFSWDNC-UHFFFAOYSA-N 1-methyl-2-(3-prop-2-enoyloxypropyl)cyclohexane-1,2-dicarboxylic acid Chemical compound CC1(C(C(=O)O)(CCCC1)CCCOC(C=C)=O)C(=O)O CQEULCRTFSWDNC-UHFFFAOYSA-N 0.000 description 1
- CRJIYMRJTJWVLU-UHFFFAOYSA-N 2,4,4-trimethylpentan-2-yl 3-(5,5-dimethylhexyl)dioxirane-3-carboxylate Chemical compound CC(C)(C)CCCCC1(C(=O)OC(C)(C)CC(C)(C)C)OO1 CRJIYMRJTJWVLU-UHFFFAOYSA-N 0.000 description 1
- DPGYCJUCJYUHTM-UHFFFAOYSA-N 2,4,4-trimethylpentan-2-yloxy 2-ethylhexaneperoxoate Chemical compound CCCCC(CC)C(=O)OOOC(C)(C)CC(C)(C)C DPGYCJUCJYUHTM-UHFFFAOYSA-N 0.000 description 1
- ODBCKCWTWALFKM-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhex-3-yne Chemical compound CC(C)(C)OOC(C)(C)C#CC(C)(C)OOC(C)(C)C ODBCKCWTWALFKM-UHFFFAOYSA-N 0.000 description 1
- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical compound CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 description 1
- VJZBTBIZXCDAMV-UHFFFAOYSA-N 2-(1,3-dioxo-5,6,7,7a-tetrahydro-4h-isoindol-3a-yl)ethyl prop-2-enoate Chemical compound C1CCCC2C(=O)NC(=O)C21CCOC(=O)C=C VJZBTBIZXCDAMV-UHFFFAOYSA-N 0.000 description 1
- XDVMJFWMHCWGLB-UHFFFAOYSA-N 2-(1,3-dioxoisoindol-4-yl)ethyl prop-2-enoate Chemical compound C=CC(=O)OCCC1=CC=CC2=C1C(=O)NC2=O XDVMJFWMHCWGLB-UHFFFAOYSA-N 0.000 description 1
- GUMPIILNPLLYKX-UHFFFAOYSA-N 2-(2,5-dioxopyrrol-3-yl)ethyl prop-2-enoate Chemical compound C(C=C)(=O)OCCC=1C(=O)NC(C1)=O GUMPIILNPLLYKX-UHFFFAOYSA-N 0.000 description 1
- PJABOTZVAHGVAF-UHFFFAOYSA-N 2-(2-cyclohexylpropan-2-yl)-7,7-dimethyloctaneperoxoic acid Chemical compound CC(C)(C)CCCCC(C(=O)OO)C(C)(C)C1CCCCC1 PJABOTZVAHGVAF-UHFFFAOYSA-N 0.000 description 1
- CHKCPIUYSMYEEW-UHFFFAOYSA-N 2-(2-cyclohexylpropan-2-ylperoxy)-2-ethylhexanoic acid Chemical compound CCCCC(CC)(C(O)=O)OOC(C)(C)C1CCCCC1 CHKCPIUYSMYEEW-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
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- IEQWWMKDFZUMMU-UHFFFAOYSA-N 2-(2-prop-2-enoyloxyethyl)butanedioic acid Chemical compound OC(=O)CC(C(O)=O)CCOC(=O)C=C IEQWWMKDFZUMMU-UHFFFAOYSA-N 0.000 description 1
- YDRQKFSCVSLQKI-UHFFFAOYSA-N 2-(2-prop-2-enoyloxyethyl)cyclohex-3-ene-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCC=CC1(CCOC(=O)C=C)C(O)=O YDRQKFSCVSLQKI-UHFFFAOYSA-N 0.000 description 1
- WLIVGKZSWFDOQX-UHFFFAOYSA-N 2-(3-prop-2-enoyloxypropyl)butanedioic acid Chemical compound C(C=C)(=O)OCCCC(C(=O)O)CC(=O)O WLIVGKZSWFDOQX-UHFFFAOYSA-N 0.000 description 1
- WWWCFOGVIWJJHN-UHFFFAOYSA-N 2-(3-prop-2-enoyloxypropyl)cyclohex-3-ene-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCC=CC1(CCCOC(=O)C=C)C(O)=O WWWCFOGVIWJJHN-UHFFFAOYSA-N 0.000 description 1
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- VUIWJRYTWUGOOF-UHFFFAOYSA-N 2-ethenoxyethanol Chemical compound OCCOC=C VUIWJRYTWUGOOF-UHFFFAOYSA-N 0.000 description 1
- MIRQGKQPLPBZQM-UHFFFAOYSA-N 2-hydroperoxy-2,4,4-trimethylpentane Chemical compound CC(C)(C)CC(C)(C)OO MIRQGKQPLPBZQM-UHFFFAOYSA-N 0.000 description 1
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 description 1
- BZGMEGUFFDTCNP-UHFFFAOYSA-N 2-hydroperoxy-2-methylpentane Chemical compound CCCC(C)(C)OO BZGMEGUFFDTCNP-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- CULUETJWTUPGSL-UHFFFAOYSA-N 2-methyl-1-(2-prop-2-enoyloxyethyl)cyclohex-3-ene-1,2-dicarboxylic acid Chemical compound C(C=C)(=O)OCCC1(C(C(=O)O)(C=CCC1)C)C(=O)O CULUETJWTUPGSL-UHFFFAOYSA-N 0.000 description 1
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- 125000002889 tridecyl 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])[H] 0.000 description 1
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Classifications
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- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/14—Esterification
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
-
- 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
- C08F285/00—Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
-
- 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
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/04—Polymers provided for in subclasses C08C or C08F
- C08F290/046—Polymers of unsaturated carboxylic acids or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/003—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
-
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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- C09J133/00—Adhesives based on homopolymers or 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
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- C09J133/10—Homopolymers or copolymers of methacrylic acid esters
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
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- C23C18/1635—Composition of the substrate
- C23C18/1639—Substrates other than metallic, e.g. inorganic or organic or non-conductive
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
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- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Definitions
- the present invention relates to a liquid resin composition and a semiconductor device.
- This application claims priority based on Japanese Patent Application No. 2010-220164 filed in Japan on September 30, 2010, the contents of which are incorporated herein by reference.
- solder reflow temperature is higher than that of conventional tin-lead solder. It has become.
- a die attach material for adhering a semiconductor element such as an IC to a support such as a metal frame or an organic substrate it can particularly withstand an increase in stress inside the semiconductor package accompanying an increase in solder reflow temperature.
- semiconductor element / sealing material semiconductor element / die attach layer, die attach layer / solder resist (substrate surface), inside substrate (solder resist / copper trace), lead frame / die attach layer, lead frame / sealing
- semiconductor element / sealing material semiconductor element / die attach layer, die attach layer / solder resist (substrate surface), inside substrate (solder resist / copper trace), lead frame / die attach layer, lead frame / sealing
- a liquid die attach material is often used as a die attach material for adhering a semiconductor element to a support for reasons such as cost merit, but in a situation where a thin semiconductor element is mounted on a support, a liquid die attach material is used.
- the liquid die attach material tends to crawl up on the upper part of the semiconductor element, and as a liquid die attach material, it exhibits a better wetting and spreading property at a lower load. In addition to adhesion, it has been desired.
- the present invention provides a liquid resin composition having a low elastic modulus and good adhesion at a high temperature and having excellent wet spreadability after chip mounting, and the liquid resin composition is used for a semiconductor die attach material or a heat dissipation member. It is an object of the present invention to provide a semiconductor device having excellent reliability such as solder crack resistance when used as an adhesive.
- the radically polymerizable functional group of the (meth) acrylic copolymer is at least one selected from the group consisting of (meth) acryloyl group, (meth) allyl group, vinyl group and maleimide group [1] Liquid resin composition as described in 2.
- alkyl (meth) acrylate having a straight chain or branched alkyl group having 6 to 9 carbon atoms which is a constituent monomer of the (meth) acrylic copolymer, is n-hexyl (meth) acrylate, n-heptyl (meta ) Acrylate, n-octyl (meth) acrylate, n-nonyl (meth) acrylate, 2-methyloctyl (meth) acrylate, 2-ethylheptyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, isooctyl (meth) acrylate
- the liquid resin composition according to any one of [1] to [3], which is isononyl (meth) acrylate.
- thermosetting adhesive composition according to any one of [1] to [4], wherein the thermosetting adhesive composition further contains at least one low stress agent.
- [6] A semiconductor device manufactured using the liquid resin composition according to any one of [1] to [5] as a die attach material or a heat radiation member bonding material.
- the liquid resin composition of the present invention is excellent in coating workability and wet spreadability at low load when mounting a semiconductor element, and further exhibits low elastic modulus and high adhesion at high temperatures, the liquid resin composition of the present invention By using an object as a die attach material or an adhesive for a heat dissipation member, it is possible to provide a highly reliable semiconductor device.
- the present invention is a liquid resin composition containing at least a (meth) acrylic copolymer having a radical polymerizable functional group, wherein the (meth) acrylic copolymer having a radical polymerizable functional group is a constituent monomer.
- An alkyl (meth) acrylate having a straight chain or branched alkyl group having 6 to 9 carbon atoms is contained in an amount of 10% to 40% by weight based on all constituent monomers.
- the (meth) acrylic copolymer having a radically polymerizable functional group used in the present invention includes, as a constituent monomer, an alkyl (meth) acrylate having a linear or branched alkyl group having 6 to 9 carbon atoms in all constituent monomers.
- the content is 10 to 40% by weight.
- the purpose of using the (meth) acrylic copolymer is that a cured product having a low elastic modulus can be obtained, and this effect can impart excellent low stress properties at high temperatures.
- the (meth) acrylic copolymer preferably has a radical polymerizable functional group.
- radical polymerizable functional group examples include a (meth) acryloyl group, a (meth) allyl group, a vinyl group, and a maleimide group, and it is preferable to use at least one of these.
- the number of radically polymerizable functional groups possessed by the (meth) acrylic copolymer is preferably such that the functional group equivalent is in the range of 1500 to 2500.
- molecular weight becomes the range of 1000 or more and 20000 or less. This is because when the molecular weight is lower than this, the intended effect of lowering the elastic modulus is not sufficiently exerted, and when it is higher than this, the viscosity of the liquid resin composition becomes too high, causing the deterioration of the coating workability. It is to become.
- the alkyl (meth) acrylate having a straight chain or branched alkyl group having 6 to 9 carbon atoms is preferably 10% by weight to 40% by weight in the total constituent monomers.
- the (meth) acrylic copolymer has a straight chain or branched alkyl group having 6 to 9 carbon atoms in the side chain, and the viscosity is lowered by the influence of these steric hindrances (meth).
- An acrylic copolymer can be obtained.
- the viscosity of the liquid resin composition can be kept low even when the amount of the (meth) acrylic copolymer is increased, and good wetting and spreading properties can be realized even when the semiconductor element is mounted even at a low load.
- the reason why the alkyl (meth) acrylate having a straight chain or branched alkyl group having 6 to 9 carbon atoms is limited to 10 to 40% by weight in all the constituent monomers is that If it is small or the amount of constituent monomers is small, the effect of lowering the viscosity as expected is lost, and if the number of carbons is larger than this or the amount of constituent monomers is large, the reaction of the radical polymerizable functional group is inhibited and curability is increased. It is because it becomes a cause which deteriorates.
- Examples of the constituent monomer of the (meth) acrylic copolymer include alkyl (meth) acrylates having a linear or branched alkyl group having 6 to 9 carbon atoms, such as n-hexyl (meth) acrylate, n-heptyl (meta ) Acrylate, n-octyl (meth) acrylate, n-nonyl (meth) acrylate, 2-methyloctyl (meth) acrylate, 2-ethylheptyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, isooctyl (meth) acrylate , Isononyl (meth) acrylate, and the like. These may be used alone or in admixture of two or more.
- the method for producing the (meth) acrylic copolymer used in the present invention is not particularly limited, but it can be produced by a known technique using a general radical polymerization initiator such as emulsion polymerization. At this time, it is preferable that there are at least three or more types of monomers used for producing the (meth) acrylic copolymer, and the three types of acrylic monomers are linear or branched alkyl groups having 6 to 9 carbon atoms. It is preferable that the alkyl (meth) acrylate monomer has a (meth) acrylate monomer having a reactive functional group, or an alkyl (meth) acrylate monomer having a linear or branched alkyl group having 5 or less carbon atoms.
- the reason for using the (meth) acrylate monomer having a reactive functional group is to introduce a radical polymerizable functional group.
- a monomer having a carboxy group such as (meth) acrylic acid
- a (meth) acrylic copolymer having a carboxy group can be obtained.
- a compound having a hydroxyl group and a radical polymerizable functional group such as hydroxyethyl (meth) acrylate, hydroxyethyl vinyl ether, and (meth) allyl alcohol
- a (meth) acryl having a radical polymerizable functional group is reacted.
- a copolymer can be obtained.
- a (meth) acrylic copolymer having a glycidyl group such as glycidyl (meth) acrylate
- a (meth) acrylic copolymer having a glycidyl group can be obtained.
- Introducing a radical polymerizable functional group into the (meth) acrylic copolymer by reacting this copolymer with a compound having a radical polymerizable functional group such as (meth) acrylic acid, maleimidated amino acid or a derivative thereof. can do.
- alkyl (meth) acrylate monomer having a linear or branched alkyl group having 5 or less carbon atoms examples include methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, isopropyl (meth) acrylate, Examples thereof include n-butyl (meth) acrylate, isobutyl (meth) acrylate, tert-butyl (meth) acrylate, and the like. These may be used alone or in combination of two or more.
- the liquid resin composition of the present invention can also contain a filler.
- the filler is not particularly limited, but for example, metal powder such as silver powder, gold powder, copper powder, aluminum powder, nickel powder, palladium powder, alumina powder, titania powder, aluminum nitride powder, boron nitride powder, silica powder, etc.
- metal powder such as silver powder, gold powder, copper powder, aluminum powder, nickel powder, palladium powder, alumina powder, titania powder, aluminum nitride powder, boron nitride powder, silica powder, etc.
- ceramic powder include ceramic powder, polyethylene powder, polyacrylate powder, polytetrafluoroethylene powder, polyamide powder, polyurethane powder, polysiloxane powder, and other polymer powders. These may be used alone or in combination of two or more. You can also.
- a powder having a hydrophobic functional group on the surface or a powder coated with a hydrophobic dispersant or the like is prefer
- the wettability with the (meth) acrylic copolymer improved in hydrophobicity by containing an alkyl (meth) acrylate having a straight chain or branched alkyl group having 6 to 9 carbon atoms as a constituent monomer.
- an alkyl (meth) acrylate having a straight chain or branched alkyl group having 6 to 9 carbon atoms as a constituent monomer.
- silver powder is preferably used when electrical conductivity and thermal conductivity are required. If it is the silver powder normally marketed for electronic materials, reduced powder, atomized powder, etc. are available. However, caution is necessary because silver powder other than for electronic materials may contain a large amount of ionic impurities.
- the average particle size of the filler is preferably 1 ⁇ m or more and 30 ⁇ m or less. This is because when the average particle size is smaller than this, the viscosity of the liquid resin composition becomes too high to obtain good workability, and when larger than this, the nozzle is used to remove the liquid resin composition. This is because nozzles may become clogged when discharged.
- the shape of the filler is not particularly limited, such as flakes and spheres.
- flakes in terms of improving storage stability and workability.
- the blending amount of the filler can be appropriately adjusted according to the purpose.
- silver powder when silver powder is used, it is usually preferably 65% by weight or more and 95% by weight or less in the liquid resin composition. The reason is that when the amount of silver powder is less than this, the conductivity is deteriorated, and when it is more than this, the viscosity of the liquid resin composition becomes too high and the workability is deteriorated.
- the liquid resin composition of this invention can also contain a low stress agent.
- a low-stress agent By using a low-stress agent, it is possible to impart toughness and low-stress properties to the cured product of the liquid resin composition, thereby greatly improving the adhesion between the semiconductor element and the support, and more peeling. It becomes more difficult to occur.
- the low stress agent to be used is not particularly limited.
- polyisoprene polybutadiene, 1,2-polybutadiene, styrene-butadiene rubber, acrylonitrile-butadiene rubber, polychloroprene, poly (oxypropylene), poly (oxytetramethylene)
- examples thereof include glycol, polyolefin glycol, poly- ⁇ -caprolactone, silicone rubber, polysulfide rubber, and fluorine rubber. These may be used alone or in combination of two or more.
- the blending amount of the low stress agent is preferably 1% by weight or more and 15% by weight or less in the liquid resin composition. The reason is that if the blending amount is smaller than this, the intended toughness and low stress cannot be sufficiently imparted, and if it is larger than this, the viscosity of the liquid resin composition becomes too high and the workability is too high. This is because it becomes a cause of deterioration.
- the low-stress agent is more preferably a low-stress agent having a functional group for the purpose of increasing compatibility with other resins.
- Specific functional groups possessed by the low stress agent include vinyl groups, epoxy groups, carboxy groups, hydroxyl groups, or maleic anhydride groups. Among these functional groups, it is more preferable to use a low-stress agent having a maleic anhydride group in terms of obtaining a liquid resin composition having high compatibility and excellent coating workability.
- the liquid resin composition of the present invention can contain the following compounds as necessary from the viewpoint of curability, workability, adhesiveness, reliability, and the like.
- the liquid resin composition of the present invention can also contain a polymerization initiator, and a thermal radical polymerization initiator is particularly preferably used as the polymerization initiator.
- a thermal radical polymerization initiator is particularly preferably used as the polymerization initiator.
- a rapid heating test decomposition start temperature when a sample is placed on an electric heating plate and heated at 4 ° C./min. In which the decomposition temperature is 40 ° C. or more and 140 ° C. or less.
- the decomposition temperature is lower than 40 ° C., the storage stability of the liquid resin composition at normal temperature is deteriorated, and when it is higher than 140 ° C., the curing time becomes extremely long, which is not preferable.
- thermal radical polymerization initiator satisfying this include methyl ethyl ketone peroxide, methylcyclohexanone peroxide, methyl acetoacetate peroxide, acetylacetone peroxide, 1,1-bis (t-butylperoxy) 3, 3, 5 -Trimethylcyclohexane, 1,1-bis (t-hexylperoxy) cyclohexane, 1,1-bis (t-hexylperoxy) 3,3,5-trimethylcyclohexane, 1,1-bis (t-butylperoxy) ) Cyclohexane, 2,2-bis (4,4-di-t-butylperoxycyclohexyl) propane, 1,1-bis (t-butylperoxy) cyclododecane, n-butyl 4,4-bis (t- Butyl peroxy) valerate, 2,2-bis (t-butylperoxy) Tan, 1,1-bis (t-butylperoxy) Tan
- a preferable blending amount of the polymerization initiator is 0.02 wt% or more and 5 wt% or less in the liquid resin composition, and more preferably 0.05 wt% or more and 2 wt% or less.
- the liquid resin composition of the present invention is usually used under illumination such as a fluorescent lamp, when a photopolymerization initiator is contained, an increase in viscosity is observed by reaction during use. For this reason, it is not preferable to contain a photoinitiator substantially.
- a photopolymerization initiator may be present in a trace amount to such an extent that no increase in viscosity is observed, and it is preferably not contained.
- liquid resin composition of the present invention can use additives such as a coupling agent, an antifoaming agent, and a surfactant.
- the liquid resin composition of the present invention can be produced, for example, by premixing each component, kneading using three rolls, and degassing under vacuum.
- a known method can be used as a method of manufacturing a semiconductor device using the liquid resin composition of the present invention.
- a liquid resin composition is dispense-applied to a predetermined portion of a lead frame or a substrate, and then the semiconductor element is mounted and heat-cured. Then, a semiconductor device is manufactured by wire bonding and transfer molding using an epoxy resin.
- a liquid resin composition is dispensed on the back surface of a chip such as a flip chip BGA (Ball Grid Array) sealed with an underfill material after flip chip bonding, and heat radiation components such as a heat spreader and a lid are mounted and cured.
- a chip such as a flip chip BGA (Ball Grid Array) sealed with an underfill material after flip chip bonding
- heat radiation components such as a heat spreader and a lid are mounted and cured.
- An acryloyl group-containing acrylic copolymer 1 (molecular weight 20000, functional group equivalent 2000, 2-ethylhexyl acrylate (carbon number 8) was added in an amount of 25% by weight in the total constituent monomers) was obtained.
- the molecular weight was adjusted by the chain transfer agent, and the functional group equivalent was adjusted by the compounding ratio of the monomers.
- the acrylic copolymer 4 containing an acryloyl group having a different constituent monomer was prepared in the same manner as the method for preparing the acrylic copolymer 2.
- An equivalent amount of 2000 and n-hexyl acrylate (having 6 carbon atoms) was obtained in an amount of 25% by weight based on all the constituent monomers.
- the molecular weight was adjusted by the chain transfer agent, and the functional group equivalent was adjusted by the compounding ratio of the monomers.
- the acryloyl group-containing acrylic copolymer 7 (molecular weight 20000, functional group equivalent 2000, constituent monomer) having different constituent monomers is prepared by the same operation as the method of preparing the acrylic copolymer 1 using glycidyl acrylate and ethyl acrylate as constituent monomers.
- the alkyl (meth) acrylate was ethyl acrylate (carbon number 2) and did not contain an alkyl (meth) acrylate having a linear or branched alkyl group having 6 to 9 carbon atoms.
- the molecular weight was adjusted by the chain transfer agent, and the functional group equivalent was adjusted by the compounding ratio of the monomers.
- Example 2 Evaluation was performed after blending at the ratio shown in Table 1 and obtaining a liquid resin composition in the same manner as in Example 1.
- Example 2 the acrylic copolymer 2 is used.
- Example 3 the acrylic copolymer 3 is used.
- Example 4 the acrylic copolymer 4 is used.
- Example 5 the acrylic copolymer 5 is used.
- 6 used the acrylic copolymer 6 described above.
- Viscosity Using an E-type viscometer (3 ° cone), the value at 25 ° C. and 2.5 rpm was measured immediately after the production of the liquid resin composition. A viscosity value of 20 ⁇ 10 Pa ⁇ S was accepted. The unit of viscosity is Pa ⁇ S.
- Wetting and spreading property Using a liquid resin composition shown in Table 1, a silicon chip (7 ⁇ 7 mm, thickness 0.2 mm) is placed on a BT substrate (BT resin using a cyanate monomer and its oligomer and bismaleimide) having a thickness of 0.3 mm.
- the degree of residual chip wet was measured with an X-ray visualization device.
- the case where the chip wet remaining area of the liquid resin composition was less than 5% was regarded as acceptable.
- the unit of the remaining wet area is%.
- Reflow resistance Using a liquid resin composition shown in Table 1, a silicon chip (7 ⁇ 7 mm, thickness 0.2 mm) is placed on a BT substrate having a thickness of 0.3 mm (BT resin using a cyanate monomer and oligomer thereof and bismaleimide). The chip was mounted under low load so that the chip was wetted by about 70%, and then allowed to stand at room temperature for 10 minutes, and then cured and adhered at 175 ° C. for 15 minutes (ramp up 30 minutes).
- the die-bonded substrate was sealed in a 5.5 ⁇ 6.6 ⁇ 1.0 mm panel shape with an epoxy resin composition for semiconductor sealing (manufactured by Sumitomo Bakelite Co., Ltd., EME-G760), and then post-molded at 175 ° C. for 4 hours. Curing was performed, and IR reflow was passed once without moisture absorption. Then, the semiconductor device (MAPBGA) was obtained by dividing into pieces with a body size: 10 ⁇ 12 mm using a dicing saw. The obtained semiconductor device was subjected to a moisture absorption treatment at 85 ° C.
- the degree of peeling was measured by a transmission type). The case where the peeling area of the die attach part was less than 10% was regarded as acceptable. The unit of the peeled area is%.
- the liquid resin composition of the present invention can be applied to a thinned chip because it has good wettability and thereby provides a semiconductor device excellent in solder crack resistance even under a high temperature environment such as IR reflow processing. Can do.
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Abstract
Description
本願は、2010年9月30日に、日本に出願された特願2010-220164号に基づき優先権を主張し、その内容をここに援用する。
[1] 少なくともラジカル重合性官能基を有する(メタ)アクリル共重合体を含有する半導体素子または放熱部材を支持体に接着する液状樹脂組成物であって、
前記ラジカル重合性官能基を有する(メタ)アクリル共重合体が、
構成モノマーとして炭素数が6以上9以下の直鎖若しくは分岐アルキル基を有するアルキル(メタ)アクリレートを全構成モノマー中10重量%~40重量%含有することを特徴とする液状樹脂組成物。
以下、本発明について詳細に説明する。
ここで本発明の液状樹脂組成物は、蛍光灯などの照明下で通常使用されるので、光重合開始剤が含まれていると使用中に反応によって粘度上昇が観察される。このため実質的に光重合開始剤を含有することは好ましくない。実質的には、粘度上昇が観察されない程度で光重合開始剤が微量に存在してもよく、好ましくは含有しないことである。
反応性官能基を有する(メタ)アクリレートモノマーとしてグリシジルアクリレート、炭素数5以下の直鎖若しくは分岐アルキル基を有するアルキル(メタ)アクリレートモノマーとしてエチルアクリレート、炭素数6~9の直鎖若しくは分岐アルキル基を有するアルキル(メタ)アクリレートモノマーとして2-エチルヘキシルアクリレートを用い、一般的な乳化重合にてグリシジル基を有するアクリル共重合体を得た後、この共重合体のグリシジル基とアクリル酸を反応させてアクリロイル基含有のアクリル共重合体1(分子量20000、官能基当量2000、2-エチルヘキシルアクリレート(炭素数8)の配合量は全構成モノマー中25重量%)を得た。分子量は連鎖移動剤により、官能基当量はモノマーの配合比により調整を行った。
構成モノマーとしてグリシジルアクリレート、エチルアクリレート、2-エチルヘキシルアクリレートを用い、アクリル共重合体1を作製した方法と同様の操作によって、分子量の異なるアクリロイル基含有のアクリル共重合体2(分子量13000、官能基当量2000、2-エチルヘキシルアクリレート(炭素数8)の配合量は全構成モノマー中25重量%)を得た。分子量は連鎖移動剤により、官能基当量はモノマーの配合比により調整を行った。
構成モノマーとしてグリシジルアクリレート、エチルアクリレート、2-エチルヘキシルアクリレートを用い、アクリル共重合体1を作製した方法と同様の操作によって、分子量の異なるアクリロイル基含有のアクリル共重合体3(分子量7000、官能基当量2000、2-エチルヘキシルアクリレート(炭素数8)の配合量は全構成モノマー中25重量%)を得た。分子量は連鎖移動剤により、官能基当量はモノマーの配合比により調整を行った。
構成モノマーとしてグリシジルアクリレート、エチルアクリレート、n-ヘキシルアクリレートを用い、アクリル共重合体2を作製した方法と同様の操作によって、構成モノマーの異なるアクリロイル基含有のアクリル共重合体4(分子量13000、官能基当量2000、n-ヘキシルアクリレート(炭素数6)の配合量は全構成モノマー中25重量%)を得た。分子量は連鎖移動剤により、官能基当量はモノマーの配合比により調整を行った。
構成モノマーとしてグリシジルアクリレート、エチルアクリレート、2-エチルヘキシルアクリレートを用い、アクリル共重合体2を作製した方法と同様の操作によって、官能基当量の異なるアクリロイル基含有のアクリル共重合体5(分子量13000、官能基当量1500、2-エチルヘキシルアクリレート(炭素数8)の配合量は全構成モノマー中25重量%)を得た。分子量は連鎖移動剤により、官能基当量はモノマーの配合比により調整を行った。
構成モノマーとしてグリシジルアクリレート、エチルアクリレート、2-エチルヘキシルアクリレートを用い、アクリル共重合体2を作製した方法と同様の操作によって、官能基当量の異なるアクリロイル基含有のアクリル共重合体6(分子量13000、官能基当量2500、2-エチルヘキシルアクリレート(炭素数8)の配合量は全構成モノマー中25重量%)を得た。分子量は連鎖移動剤により、官能基当量はモノマーの配合比により調整を行った。
構成モノマーとしてグリシジルアクリレート、エチルアクリレートを用い、アクリル共重合体1を作製した方法と同様の操作によって、構成モノマーの異なるアクリロイル基含有のアクリル共重合体7(分子量20000、官能基当量2000、構成モノマーのアルキル(メタ)アクリレートはエチルアクリレート(炭素数2)で、炭素数6~9の直鎖若しくは分岐アルキル基を有するアルキル(メタ)アクリレートは含有しない)を得た。分子量は連鎖移動剤により、官能基当量はモノマーの配合比により調整を行った。
構成モノマーとしてグリシジルアクリレート、エチルアクリレートを用い、アクリル共重合体7を作製した方法と同様の操作によって、分子量の異なるアクリロイル基含有のアクリル共重合体8(分子量7000、官能基当量2000、構成モノマーのアルキル(メタ)アクリレートはエチルアクリレート(炭素数2)で、炭素数6~9の直鎖若しくは分岐アルキル基を有するアルキル(メタ)アクリレートは含有しない)を得た。分子量は連鎖移動剤により、官能基当量はモノマーの配合比により調整を行った。
構成モノマーとしてグリシジルアクリレート、エチルアクリレート、ラウリルアクリレートを用い、アクリル共重合体2を作製した方法と同様の操作によって、構成モノマーの異なるアクリロイル基含有のアクリル共重合体9(分子量13000、官能基当量2000、ラウリルアクリレート(炭素数12)の配合量は全構成モノマー中25重量%)を得た。分子量は連鎖移動剤により、官能基当量はモノマーの配合比により調整を行った。
構成モノマーとしてグリシジルアクリレート、エチルアクリレート、2-エチルヘキシルアクリレートを用い、アクリル共重合体2を作製した方法と同様の操作によって、構成モノマーの配合が異なるアクリロイル基含有のアクリル共重合体10(分子量13000、官能基当量2000、2-エチルヘキシルアクリレート(炭素数8)の配合量は全構成モノマー中5重量%)を得た。分子量は連鎖移動剤により、官能基当量はモノマーの配合比により調整を行った。
構成モノマーとしてグリシジルアクリレート、エチルアクリレート、2-エチルヘキシルアクリレートを用い、アクリル共重合体2を作製した方法と同様の操作によって、構成モノマーの配合が異なるアクリロイル基含有のアクリル共重合体11(分子量13000、官能基当量2000、2-エチルヘキシルアクリレート(炭素数8)の配合量は全構成モノマー中50重量%)を得た。分子量は連鎖移動剤により、官能基当量はモノマーの配合比により調整を行った。
上記アクリル共重合体1、1,4ビニル結合の割合が72%のポリブタジエンと無水マレイン酸との反応により得られる無水マレイン酸変性ポリブタジエン(数平均分子量3100、酸価74meqKOH/g、Satomer社製、Ricobond1731、以下低応力剤)、プロポキシ化ビスフェノールAジアクリレート(新中村化学(株)製、NKエステルA-BPP-3、以下モノマー1)、1,6-ヘキサンジオールジメタクリレート(共栄社化学(株)製、ライトエステル1、6HX、以下モノマー2)、イソボルニルメタクリレート(共栄社化学(株)製、ライトエステルIBX、以下モノマー3)、メタクリル基を有するシランカップリング剤(信越化学工業(株)製、KBM-503P、以下カップリング剤1)、グリシジル基を有するシランカップリング剤(信越化学工業(株)製、KBM-403E、以下カップリング剤2)、1,1-ジ(tert-ブチルパーオキシ)シクロヘキサン(日本油脂(株)製、パーヘキサCS、以下重合開始剤)、平均粒径8μm、最大粒径30μmのフレーク状銀粉(以下銀粉)を表1のように配合し、3本ロールを用いて混練し、脱泡することで液状樹脂組成物を得た後、以下の評価方法にて評価を行った結果を表1に示す。なお配合割合は重量部である。
表1に示す割合で配合し実施例1と同様に液状樹脂組成物を得た後、評価を行った。
実施例2では上記アクリル共重合体2を、実施例3では上記アクリル共重合体3を、実施例4では上記アクリル共重合体4を、実施例5では上記アクリル共重合体5を、実施例6では上記アクリル共重合体6を用いた。
表1に示す割合で配合し実施例1と同様に液状樹脂組成物を得た後、評価を行った。
比較例1ではアクリル共重合体7を、比較例2ではアクリル共重合体8を、比較例3ではアクリル共重合体9を、比較例4ではアクリル共重合体10を、比較例5ではアクリル共重合体11を用いた。
粘度:E型粘度計(3°コーン)を用い25℃、2.5rpmでの値を液状樹脂組成物作製直後に測定した。粘度の値が20±10Pa・Sのものを合格とした。粘度の単位はPa・Sである。
濡れ拡がり性:表1に示す液状樹脂組成物を用い、厚み0.3mmのBT基板(シアネートモノマーおよびそのオリゴマーとビスマレイミドからなるBTレジン使用基板)にシリコンチップ(7x7mm、厚み0.2mm)を7割程度のチップ濡れになるように低加重でマウントし、その後常温で10分放置した後、X線可視化装置によりチップ濡れ残りの程度を測定した。液状樹脂組成物のチップ濡れ残り面積が5%未満の場合を合格とした。濡れ残り面積の単位は%である。
Claims (6)
- 少なくともラジカル重合性官能基を有する(メタ)アクリル共重合体を含有する半導体素子または放熱部材を支持体に接着する液状樹脂組成物であって、
前記ラジカル重合性官能基を有する(メタ)アクリル共重合体が、
構成モノマーとして炭素数が6以上9以下の直鎖若しくは分岐アルキル基を有するアルキル(メタ)アクリレートを全構成モノマー中10重量%~40重量%含有することを特徴とする液状樹脂組成物。 - 前記(メタ)アクリル共重合体のラジカル重合性官能基が、(メタ)アクリロイル基、(メタ)アリル基、ビニル基、マレイミド基からなる群から選ばれる少なくとも1種である請求項1に記載の液状樹脂組成物。
- 前記(メタ)アクリル共重合体のラジカル重合性官能基の官能基当量が1500~2500である請求項1または2に記載の液状樹脂組成物。
- 前記(メタ)アクリル共重合体の構成モノマーであるアルキル(メタ)アクリレートがn-ヘキシル(メタ)アクリレート、n-ヘプチル(メタ)アクリレート、n-オクチル(メタ)アクリレート、n-ノニル(メタ)アクリレート、2-メチルオクチル(メタ)アクリレート、2-エチルヘプチル(メタ)アクリレート、2-エチルヘキシル(メタ)アクリレート、イソオクチル(メタ)アクリレート、イソノニル(メタ)アクリレートである請求項1~3のいずれか1項に記載の液状樹脂組成物。
- さらに、前記熱硬化性接着剤組成物が少なくとも1つ以上の低応力剤を含有する請求項1~4のいずれか1項に記載の液状樹脂組成物。
- 請求項1~5のいずれか1項に記載の液状樹脂組成物をダイアタッチ材料または放熱部材接着用材料として用いて製作されることを特徴とする半導体装置。
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KR1020137006568A KR20130119911A (ko) | 2010-09-30 | 2011-09-26 | 액상 수지 조성물 및 반도체 장치 |
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SG187719A1 (en) | 2013-03-28 |
EP2624287A1 (en) | 2013-08-07 |
TWI534232B (zh) | 2016-05-21 |
CN103119701A (zh) | 2013-05-22 |
US20130143983A1 (en) | 2013-06-06 |
US8722768B2 (en) | 2014-05-13 |
CN103119701B (zh) | 2016-06-08 |
EP2624287A4 (en) | 2015-04-29 |
JPWO2012043450A1 (ja) | 2014-02-06 |
KR20130119911A (ko) | 2013-11-01 |
TW201217480A (en) | 2012-05-01 |
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