JPWO2017175589A1 - ノボラック型樹脂及びレジスト材料 - Google Patents
ノボラック型樹脂及びレジスト材料 Download PDFInfo
- Publication number
- JPWO2017175589A1 JPWO2017175589A1 JP2017541403A JP2017541403A JPWO2017175589A1 JP WO2017175589 A1 JPWO2017175589 A1 JP WO2017175589A1 JP 2017541403 A JP2017541403 A JP 2017541403A JP 2017541403 A JP2017541403 A JP 2017541403A JP WO2017175589 A1 JPWO2017175589 A1 JP WO2017175589A1
- Authority
- JP
- Japan
- Prior art keywords
- resin
- compound
- novolak
- group
- phenol
- 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
- 229920003986 novolac Polymers 0.000 title claims abstract description 109
- 239000000463 material Substances 0.000 title claims abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 133
- 239000011347 resin Substances 0.000 claims abstract description 133
- -1 aldehyde compound Chemical class 0.000 claims abstract description 115
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 89
- 239000000203 mixture Substances 0.000 claims abstract description 68
- 150000001875 compounds Chemical class 0.000 claims abstract description 59
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 31
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 125000003118 aryl group Chemical group 0.000 claims description 11
- 125000003545 alkoxy group Chemical group 0.000 claims description 9
- 125000001931 aliphatic group Chemical group 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 238000003860 storage Methods 0.000 abstract description 18
- 230000007774 longterm Effects 0.000 abstract description 14
- 239000010408 film Substances 0.000 description 39
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 35
- 238000004519 manufacturing process Methods 0.000 description 22
- 238000000034 method Methods 0.000 description 22
- 150000002989 phenols Chemical class 0.000 description 21
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 17
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 17
- 229930003836 cresol Natural products 0.000 description 17
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 15
- 239000000543 intermediate Substances 0.000 description 15
- 239000003822 epoxy resin Substances 0.000 description 14
- 229920000647 polyepoxide Polymers 0.000 description 14
- 239000011572 manganese Substances 0.000 description 13
- 239000003513 alkali Substances 0.000 description 12
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 10
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 10
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 10
- 238000001723 curing Methods 0.000 description 10
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 10
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 9
- 235000012431 wafers Nutrition 0.000 description 9
- 238000000576 coating method Methods 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 239000003960 organic solvent Substances 0.000 description 8
- 239000005011 phenolic resin Substances 0.000 description 8
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 239000004094 surface-active agent Substances 0.000 description 7
- GJYCVCVHRSWLNY-UHFFFAOYSA-N 2-butylphenol Chemical compound CCCCC1=CC=CC=C1O GJYCVCVHRSWLNY-UHFFFAOYSA-N 0.000 description 6
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 229930040373 Paraformaldehyde Natural products 0.000 description 6
- 206010034972 Photosensitivity reaction Diseases 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000004305 biphenyl Substances 0.000 description 6
- 235000010290 biphenyl Nutrition 0.000 description 6
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N butyric aldehyde Natural products CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 6
- QWVGKYWNOKOFNN-UHFFFAOYSA-N o-cresol Chemical compound CC1=CC=CC=C1O QWVGKYWNOKOFNN-UHFFFAOYSA-N 0.000 description 6
- 238000000206 photolithography Methods 0.000 description 6
- 230000036211 photosensitivity Effects 0.000 description 6
- 229960001755 resorcinol Drugs 0.000 description 6
- 229930185605 Bisphenol Natural products 0.000 description 5
- 229920000877 Melamine resin Polymers 0.000 description 5
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 5
- 239000004793 Polystyrene Substances 0.000 description 5
- 239000003377 acid catalyst Substances 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 235000006408 oxalic acid Nutrition 0.000 description 5
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical compound CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 description 5
- 229920002223 polystyrene Polymers 0.000 description 5
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 5
- 229920002554 vinyl polymer Polymers 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 4
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 4
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- XLLIQLLCWZCATF-UHFFFAOYSA-N ethylene glycol monomethyl ether acetate Natural products COCCOC(C)=O XLLIQLLCWZCATF-UHFFFAOYSA-N 0.000 description 4
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 4
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 4
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 4
- JARKCYVAAOWBJS-UHFFFAOYSA-N hexanal Chemical compound CCCCCC=O JARKCYVAAOWBJS-UHFFFAOYSA-N 0.000 description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 4
- 229940100630 metacresol Drugs 0.000 description 4
- LPEKGGXMPWTOCB-UHFFFAOYSA-N methyl 2-hydroxypropionate Chemical compound COC(=O)C(C)O LPEKGGXMPWTOCB-UHFFFAOYSA-N 0.000 description 4
- NXPPAOGUKPJVDI-UHFFFAOYSA-N naphthalene-1,2-diol Chemical compound C1=CC=CC2=C(O)C(O)=CC=C21 NXPPAOGUKPJVDI-UHFFFAOYSA-N 0.000 description 4
- 229920002866 paraformaldehyde Polymers 0.000 description 4
- DTUQWGWMVIHBKE-UHFFFAOYSA-N phenylacetaldehyde Chemical compound O=CCC1=CC=CC=C1 DTUQWGWMVIHBKE-UHFFFAOYSA-N 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 239000003504 photosensitizing agent Substances 0.000 description 4
- SMQUZDBALVYZAC-UHFFFAOYSA-N salicylaldehyde Chemical compound OC1=CC=CC=C1C=O SMQUZDBALVYZAC-UHFFFAOYSA-N 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 4
- 150000003739 xylenols Chemical class 0.000 description 4
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 3
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 3
- NKTOLZVEWDHZMU-UHFFFAOYSA-N 2,5-xylenol Chemical compound CC1=CC=C(C)C(O)=C1 NKTOLZVEWDHZMU-UHFFFAOYSA-N 0.000 description 3
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 3
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 3
- YEYKMVJDLWJFOA-UHFFFAOYSA-N 2-propoxyethanol Chemical compound CCCOCCO YEYKMVJDLWJFOA-UHFFFAOYSA-N 0.000 description 3
- WTQZSMDDRMKJRI-UHFFFAOYSA-N 4-diazoniophenolate Chemical group [O-]C1=CC=C([N+]#N)C=C1 WTQZSMDDRMKJRI-UHFFFAOYSA-N 0.000 description 3
- IGFHQQFPSIBGKE-UHFFFAOYSA-N 4-nonylphenol Chemical compound CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 3
- 150000005215 alkyl ethers Chemical class 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- LLEMOWNGBBNAJR-UHFFFAOYSA-N biphenyl-2-ol Chemical compound OC1=CC=CC=C1C1=CC=CC=C1 LLEMOWNGBBNAJR-UHFFFAOYSA-N 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000003431 cross linking reagent Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 229940116333 ethyl lactate Drugs 0.000 description 3
- 229920001519 homopolymer Polymers 0.000 description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- IXQGCWUGDFDQMF-UHFFFAOYSA-N o-Hydroxyethylbenzene Natural products CCC1=CC=CC=C1O IXQGCWUGDFDQMF-UHFFFAOYSA-N 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
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- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 3
- RYNQKSJRFHJZTK-UHFFFAOYSA-N (3-methoxy-3-methylbutyl) acetate Chemical compound COC(C)(C)CCOC(C)=O RYNQKSJRFHJZTK-UHFFFAOYSA-N 0.000 description 2
- XGQJGMGAMHFMAO-UHFFFAOYSA-N 1,3,4,6-tetrakis(methoxymethyl)-3a,6a-dihydroimidazo[4,5-d]imidazole-2,5-dione Chemical compound COCN1C(=O)N(COC)C2C1N(COC)C(=O)N2COC XGQJGMGAMHFMAO-UHFFFAOYSA-N 0.000 description 2
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical compound C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 2
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- BOGFHOWTVGAYFK-UHFFFAOYSA-N 1-[2-(2-propoxyethoxy)ethoxy]propane Chemical compound CCCOCCOCCOCCC BOGFHOWTVGAYFK-UHFFFAOYSA-N 0.000 description 2
- CZAVRNDQSIORTH-UHFFFAOYSA-N 1-ethenoxy-2,2-bis(ethenoxymethyl)butane Chemical compound C=COCC(CC)(COC=C)COC=C CZAVRNDQSIORTH-UHFFFAOYSA-N 0.000 description 2
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- NXXYKOUNUYWIHA-UHFFFAOYSA-N 2,6-Dimethylphenol Chemical compound CC1=CC=CC(C)=C1O NXXYKOUNUYWIHA-UHFFFAOYSA-N 0.000 description 2
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- GXYCPGOCXLHIAT-UHFFFAOYSA-N 2-cyclohexyl-6-[(3-cyclohexyl-2-hydroxyphenyl)-(2-hydroxyphenyl)methyl]phenol Chemical compound OC1=CC=CC=C1C(C=1C(=C(C2CCCCC2)C=CC=1)O)C1=CC=CC(C2CCCCC2)=C1O GXYCPGOCXLHIAT-UHFFFAOYSA-N 0.000 description 2
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- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical compound C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 2
- WXYSZTISEJBRHW-UHFFFAOYSA-N 4-[2-[4-[1,1-bis(4-hydroxyphenyl)ethyl]phenyl]propan-2-yl]phenol Chemical compound C=1C=C(C(C)(C=2C=CC(O)=CC=2)C=2C=CC(O)=CC=2)C=CC=1C(C)(C)C1=CC=C(O)C=C1 WXYSZTISEJBRHW-UHFFFAOYSA-N 0.000 description 2
- HXDOZKJGKXYMEW-UHFFFAOYSA-N 4-ethylphenol Chemical compound CCC1=CC=C(O)C=C1 HXDOZKJGKXYMEW-UHFFFAOYSA-N 0.000 description 2
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
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- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 2
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
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- 239000004593 Epoxy Substances 0.000 description 2
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Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
- C08G8/24—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with mixtures of two or more phenols which are not covered by only one of the groups C08G8/10 - C08G8/20
-
- G—PHYSICS
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Abstract
Description
(方法2)フェノール、前記ポリヒドロキシベンゼン化合物(A)及び必要に応じて用いるその他のフェノール性水酸基含有化合物をそれぞれ単独でアルデヒド化合物(B)と反応させてノボラック型樹脂中間体を製造した後、得られた各種のノボラック型樹脂中間体とアルデヒド化合物(B)とを反応させてブロック型のノボラック型樹脂を製造する方法。
(方法3)フェノール、前記ポリヒドロキシベンゼン化合物(A)及び必要に応じて用いるその他のフェノール性水酸基含有化合物のうちの一種乃至複数種と前記アルデヒド化合物(B)とを反応させてノボラック型樹脂中間体を製造し、得られたノボラック型樹脂中間体と、フェノール、前記ポリヒドロキシベンゼン化合物(A)及び必要に応じて用いるその他のフェノール性水酸基含有化合物のうち一種乃至複数種と、前記アルデヒド化合物(B)とを反応させてノボラック型樹脂を製造する方法。
[GPCの測定条件]
測定装置:東ソー株式会社製「HLC−8220 GPC」
カラム:昭和電工株式会社製「Shodex KF802」(8.0mmФ×300mm)+昭和電工株式会社製「Shodex KF802」(8.0mmФ×300mm)
+昭和電工株式会社製「Shodex KF803」(8.0mmФ×300mm)+昭和電工株式会社製「Shodex KF804」(8.0mmФ×300mm)
カラム温度:40℃
検出器: RI(示差屈折計)
データ処理:東ソー株式会社製「GPC−8020モデルIIバージョン4.30」
展開溶媒:テトラヒドロフラン
流速:1.0mL/分
試料:樹脂固形分換算で0.5質量%のテトラヒドロフラン溶液をマイクロフィルターでろ過したもの(100μl)
標準試料:下記単分散ポリスチレン
(標準試料:単分散ポリスチレン)
東ソー株式会社製「A−500」
東ソー株式会社製「A−2500」
東ソー株式会社製「A−5000」
東ソー株式会社製「F−1」
東ソー株式会社製「F−2」
東ソー株式会社製「F−4」
東ソー株式会社製「F−10」
東ソー株式会社製「F−20」
で表される構造部位(I)を有するものとなる。該構造部位(I)を分子末端に有するノボラック型樹脂は反応性が著しく高く、例えば、硬化剤と配合して硬化性組成物とした場合の硬化物における耐熱性が非常に高いものとなる。
[GPCの測定条件]
測定装置:東ソー株式会社製「HLC−8220 GPC」
カラム:昭和電工株式会社製「Shodex KF802」(8.0mmФ×300mm)+昭和電工株式会社製「Shodex KF802」(8.0mmФ×300mm)
+昭和電工株式会社製「Shodex KF803」(8.0mmФ×300mm)+昭和電工株式会社製「Shodex KF804」(8.0mmФ×300mm)
カラム温度:40℃
検出器: RI(示差屈折計)
データ処理:東ソー株式会社製「GPC−8020モデルIIバージョン4.30」
展開溶媒:テトラヒドロフラン
流速:1.0mL/分
試料:樹脂固形分換算で0.5質量%のテトラヒドロフラン溶液をマイクロフィルターでろ過したもの
注入量:0.1mL
標準試料:下記単分散ポリスチレン
(標準試料:単分散ポリスチレン)
東ソー株式会社製「A−500」
東ソー株式会社製「A−2500」
東ソー株式会社製「A−5000」
東ソー株式会社製「F−1」
東ソー株式会社製「F−2」
東ソー株式会社製「F−4」
東ソー株式会社製「F−10」
東ソー株式会社製「F−20」
冷却管を設置した2000ml4口フラスコにフェノール1000質量部、41.5%ホルマリン600質量部、シュウ酸1質量部を仕込み、撹拌しながら99℃まで2時間かけて昇温した後、乾留しながら3時間撹拌を継続した。脱水回路に切り替えて、脱水しながら180℃まで3時間かけて昇温した。180℃を保持しながら残存するフェノールを留去し、淡赤色のノボラック型樹脂中間体(1)580gを得た。得られたノボラック型樹脂中間体(1)の数平均分子量(Mn)は966、重量平均分子量(Mw)は2,126、多分散度(Mw/Mn)は2.20であった。
冷却管を設置した2,000ml4口フラスコに、製造例1で得たノボラック型樹脂中間体(1)450質量部、レゾルシノール50質量部、91.5%パラホルムアルデヒド10質量部を仕込み、メタノール900質量部に溶解させた。室温で98%硫酸5質量部を仕込んだ後、60℃まで1時間かけて昇温し、20時間撹拌を継続した。60℃を保持しながら減圧条件下でメタノールを600質量部留去し、撹拌しながら水1,000質量部を滴下して、反応生成物を再沈殿させた。分離した水溶性の上澄み液を吸引除去し、メタノール300質量部を加えて残渣の反応生成物を溶解させた。再度水1000質量部を加えて反応生成物を再沈殿させ、上澄み液を除去した。プロピレングリコールモノエチルエーテルアセテート1,000質量部を加えて反応生成物を溶解させ、減圧条件下で脱水し、ノボラック型樹脂(1)溶液(樹脂分30質量%)793質量部を得た。得られたノボラック型樹脂(1)の数平均分子量(Mn)は3,144、重量平均分子量(Mw)は15,760、多分散度(Mw/Mn)は5.01であった。ノボラック型樹脂(1)のGPCチャートを図1に示す。
ノボラック型樹脂中間体(1)を475質量部に、レゾルシノールを25質量部に、91.5%パラホルムアルデヒドを5質量部に変更した以外は実施例1と同様の操作を行い、ノボラック型樹脂(2)溶液(樹脂分30質量%)788質量部を得た。得られたノボラック型樹脂(2)の数平均分子量(Mn)は3,483、重量平均分子量(Mw)は16,112、多分散度(Mw/Mn)は4.63であった。
冷却管を設置した2,000ml4口フラスコにオルソクレゾール900質量部、レゾルシノール90質量部、41.5%ホルマリン600質量部、シュウ酸1質量部を仕込み撹拌しながら99℃まで2時間かけて昇温した後、乾留しながら3時間撹拌を継続した。脱水回路に切り替えて、脱水しながら180℃まで3時間かけて昇温した。180℃を保持しながら残存するオルソクレゾールを留去し、淡赤色のノボラック型樹脂(1‘)530gを得た。得られたノボラック型樹脂(1’)の数平均分子量(Mn)は1,032、重量平均分子量(Mw)は2,234、多分散度(Mw/Mn)は2.16であった。
実施例1、2及び比較製造例1で得たノボラック型樹脂をプロピレングリコールモノメチルエーテルアセテートに溶解させ、樹脂濃度が15質量%のサンプルと、30質量%のサンプルとを用意した。該サンプルを25℃、55℃、80℃の各温度条件に設定した恒温槽に入れ、二週間の保存試験を行った。保存試験前後での重量平均分子量(Mw)の変化率を測定し、変化率の絶対値が10%以下の場合をA、変化率の絶対値が±10%を超える場合をBとして評価した。結果を表1に示す。
実施例1、2及び比較製造例1で得たノボラック型樹脂について、下記の要領で評価した。結果を表2に示す。
ノボラック型樹脂溶液53質量部(樹脂分16質量部)、硬化剤(東京化成工業株式会社製「1,3,4,6−テトラキス(メトキシメチル)グリコールウリル」)4質量部をプロピレングリコールモノメチルエーテルアセテート143質量部に溶解させ、これを0.2μmのメンブレンフィルターで濾過し、硬化性組成物を得た。
先で得た硬化性組成物を5インチシリコンウェハー上に約1μmの厚さになるようにスピンコーターで塗布し、110℃のホットプレート上で60秒乾燥させた後、230℃で300秒間加熱処理し、硬化塗膜を得た。得られた硬化塗膜をウェハーから削り取り、示差熱熱重量同時測定装置(TG/DTA)を用い、下記条件で昇温させた時の質量減少を測定し、1質量%減少温度(Td1)を求めた。
測定機器:セイコーインスツールメント社製「TG/DTA 6200」
測定範囲:室温〜400℃
昇温速度:10℃/分
実施例1、2及び比較製造例1で得たノボラック型樹脂について、下記の要領で評価した。結果を表3に示す。
前記ノボラック型樹脂24質量部をプロピレングリコールモノメチルエーテルアセテート60質量部に溶解させ、この溶液に感光剤16質量部を加えて溶解させた。これを0.2μmのメンブレンフィルターで濾過し、感光性組成物を得た。
感光剤は東洋合成工業株式会社製「P−200」(4,4’−[1−[4−[1−(4−ヒドロキシフェニル)−1メチルエチル]フェニル]エチリデン]ビスフェノール1モルと1,2−ナフトキノン−2−ジアジド−5−スルホニルクロリド2モルとの縮合物)を用いた。
先で得た感光性組成物を5インチシリコンウェハー上に約1μmの厚さになるようにスピンコーターで塗布し、110℃のホットプレート上で60秒乾燥させた。このウェハーを2枚用意し、一方を「露光なしサンプル」とした。他方を「露光有サンプル」としてghi線ランプ(ウシオ電機株式会社製「マルチライト」)を用いて100mJ/cm2のghi線を照射したのち、140℃、60秒間の条件で加熱処理を行った。
「露光なしサンプル」と「露光有サンプル」の両方をアルカリ現像液(2.38%水酸化テトラメチルアンモニウム水溶液)に60秒間浸漬した後、110℃のホットプレート上で60秒乾燥させた。各サンプルの現像液浸漬前後の膜厚を測定し、その差分を60で除した値をアルカリ現像性[ADR(nm/s)]とした。
先で得た感光性組成物を5インチシリコンウェハー上に約1μmの厚さになるようにスピンコーターで塗布し、110℃のホットプレート上で60秒乾燥させた。このウェハー上にラインアンドスペースが1:1であり、ライン幅が1〜10μmまで1μmごとに設定されたレジストパターン対応のマスクを密着させた後、ghi線ランプ(ウシオ電機株式会社製「マルチライト」)を用いてghi線を照射し、140℃、60秒間の条件で加熱処理を行った。次いで、アルカリ現像液(2.38%水酸化テトラメチルアンモニウム水溶液)に60秒間浸漬した後、110℃のホットプレート上で60秒乾燥させた。
ghi線露光量を30mJ/cm2から5mJ/cm2毎に増加させた場合の、ライン幅3μmを忠実に再現することのできる露光量(Eop露光量)を評価した。
先で得た感光性組成物を5インチシリコンウェハー上に約1μmの厚さになるようにスピンコーターで塗布し、110℃のホットプレート上で60秒乾燥させた。得られたウェハー上にフォトマスクを乗せ、先のアルカリ現像性評価の場合と同様の方法でghi線200mJ/cm2を照射し、アルカリ現像操作を行った。レーザーマイクロスコープ(株式会社キーエンス製「VK−X200」)を用いてパターン状態を確認し、L/S=1/1の線幅が5μmで解像できているものをA、L/S=1/1の線幅が5μmで解像できていないものをBとして評価した。
Claims (9)
- フェノール、ポリヒドロキシベンゼン化合物(A)、及びアルデヒド化合物(B)を必須の反応原料とすることを特徴とするノボラック型樹脂。
- ノボラック型樹脂を構成するフェノール性水酸基含有化合物の全モル数に対するフェノールの割合が50〜99モル%の範囲である請求項1記載のノボラック型樹脂。
- ノボラック型樹脂を構成するフェノール性水酸基含有化合物の全モル数に対する前記ポリヒドロキシベンゼン化合物(A)の割合が1〜33モル%の範囲である請求項1記載のノボラック型樹脂。
- 請求項1〜4の何れか一つに記載のノボラック型樹脂と感光剤とを含有する感光性組成物。
- 請求項5記載の感光性組成物からなるレジスト材料。
- 請求項1〜4の何れか一つに記載のノボラック型樹脂と硬化剤とを含有する硬化性組成物。
- 請求項7記載の硬化性組成物の硬化物。
- 請求項7記載の硬化性組成物からなるレジスト材料。
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