JPWO2012063635A1 - ポジ型フォトレジスト組成物 - Google Patents
ポジ型フォトレジスト組成物 Download PDFInfo
- Publication number
- JPWO2012063635A1 JPWO2012063635A1 JP2012510464A JP2012510464A JPWO2012063635A1 JP WO2012063635 A1 JPWO2012063635 A1 JP WO2012063635A1 JP 2012510464 A JP2012510464 A JP 2012510464A JP 2012510464 A JP2012510464 A JP 2012510464A JP WO2012063635 A1 JPWO2012063635 A1 JP WO2012063635A1
- Authority
- JP
- Japan
- Prior art keywords
- cresol
- positive photoresist
- photoresist composition
- resin
- phenol resin
- 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
- 239000000203 mixture Substances 0.000 title claims abstract description 51
- 229920002120 photoresistant polymer Polymers 0.000 title claims abstract description 47
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 87
- 229920003986 novolac Polymers 0.000 claims abstract description 70
- 239000005011 phenolic resin Substances 0.000 claims abstract description 43
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 claims abstract description 38
- QWVGKYWNOKOFNN-UHFFFAOYSA-N o-cresol Chemical compound CC1=CC=CC=C1O QWVGKYWNOKOFNN-UHFFFAOYSA-N 0.000 claims abstract description 38
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical compound CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 claims abstract description 38
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims abstract description 38
- 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 claims abstract description 33
- 229930003836 cresol Natural products 0.000 claims abstract description 33
- 239000002994 raw material Substances 0.000 claims abstract description 25
- 229920005989 resin Polymers 0.000 claims description 34
- 239000011347 resin Substances 0.000 claims description 34
- 239000003377 acid catalyst Substances 0.000 claims description 14
- 239000003054 catalyst Substances 0.000 claims description 9
- 238000006482 condensation reaction Methods 0.000 claims description 6
- 229920003987 resole Polymers 0.000 claims description 2
- 230000003472 neutralizing effect Effects 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 28
- 238000004519 manufacturing process Methods 0.000 abstract description 25
- 239000004065 semiconductor Substances 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 2
- 239000002243 precursor Substances 0.000 abstract 1
- -1 1,2-naphthoquinonediazide compound Chemical class 0.000 description 51
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 27
- 239000003513 alkali Substances 0.000 description 16
- 229960001755 resorcinol Drugs 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 13
- 150000002989 phenols Chemical class 0.000 description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 12
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 11
- 238000003786 synthesis reaction Methods 0.000 description 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- 238000004090 dissolution Methods 0.000 description 9
- 235000006408 oxalic acid Nutrition 0.000 description 9
- 239000003504 photosensitizing agent Substances 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- GJYCVCVHRSWLNY-UHFFFAOYSA-N 2-butylphenol Chemical compound CCCCC1=CC=CC=C1O GJYCVCVHRSWLNY-UHFFFAOYSA-N 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 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 7
- 238000005227 gel permeation chromatography Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- NKTOLZVEWDHZMU-UHFFFAOYSA-N 2,5-xylenol Chemical compound CC1=CC=C(C)C(O)=C1 NKTOLZVEWDHZMU-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N butyric aldehyde Natural products CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 6
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- IXQGCWUGDFDQMF-UHFFFAOYSA-N o-Hydroxyethylbenzene Natural products CCC1=CC=CC=C1O IXQGCWUGDFDQMF-UHFFFAOYSA-N 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 6
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 5
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 4
- QWBBPBRQALCEIZ-UHFFFAOYSA-N 2,3-dimethylphenol Chemical compound CC1=CC=CC(O)=C1C QWBBPBRQALCEIZ-UHFFFAOYSA-N 0.000 description 4
- NXXYKOUNUYWIHA-UHFFFAOYSA-N 2,6-Dimethylphenol Chemical compound CC1=CC=CC(C)=C1O NXXYKOUNUYWIHA-UHFFFAOYSA-N 0.000 description 4
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 description 4
- IQUPABOKLQSFBK-UHFFFAOYSA-N 2-nitrophenol Chemical compound OC1=CC=CC=C1[N+]([O-])=O IQUPABOKLQSFBK-UHFFFAOYSA-N 0.000 description 4
- YCOXTKKNXUZSKD-UHFFFAOYSA-N 3,4-xylenol Chemical compound CC1=CC=C(O)C=C1C YCOXTKKNXUZSKD-UHFFFAOYSA-N 0.000 description 4
- TUAMRELNJMMDMT-UHFFFAOYSA-N 3,5-xylenol Chemical compound CC1=CC(C)=CC(O)=C1 TUAMRELNJMMDMT-UHFFFAOYSA-N 0.000 description 4
- HMNKTRSOROOSPP-UHFFFAOYSA-N 3-Ethylphenol Chemical compound CCC1=CC=CC(O)=C1 HMNKTRSOROOSPP-UHFFFAOYSA-N 0.000 description 4
- HXDOZKJGKXYMEW-UHFFFAOYSA-N 4-ethylphenol Chemical compound CCC1=CC=C(O)C=C1 HXDOZKJGKXYMEW-UHFFFAOYSA-N 0.000 description 4
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 4
- 229930040373 Paraformaldehyde Natural products 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 4
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 4
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 4
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- 238000011156 evaluation Methods 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
- 238000010438 heat treatment Methods 0.000 description 4
- JARKCYVAAOWBJS-UHFFFAOYSA-N hexanal Chemical compound CCCCCC=O JARKCYVAAOWBJS-UHFFFAOYSA-N 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- DTUQWGWMVIHBKE-UHFFFAOYSA-N phenylacetaldehyde Chemical compound O=CCC1=CC=CC=C1 DTUQWGWMVIHBKE-UHFFFAOYSA-N 0.000 description 4
- 229920002223 polystyrene Polymers 0.000 description 4
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 4
- SMQUZDBALVYZAC-UHFFFAOYSA-N salicylaldehyde Chemical compound OC1=CC=CC=C1C=O SMQUZDBALVYZAC-UHFFFAOYSA-N 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-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
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 229930185605 Bisphenol Natural products 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 239000004312 hexamethylene tetramine Substances 0.000 description 3
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- WHOZNOZYMBRCBL-OUKQBFOZSA-N (2E)-2-Tetradecenal Chemical compound CCCCCCCCCCC\C=C\C=O WHOZNOZYMBRCBL-OUKQBFOZSA-N 0.000 description 2
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical compound C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 2
- CPEXFJVZFNYXGU-UHFFFAOYSA-N 2,4,6-trihydroxybenzophenone Chemical compound OC1=CC(O)=CC(O)=C1C(=O)C1=CC=CC=C1 CPEXFJVZFNYXGU-UHFFFAOYSA-N 0.000 description 2
- KUFFULVDNCHOFZ-UHFFFAOYSA-N 2,4-xylenol Chemical compound CC1=CC=C(O)C(C)=C1 KUFFULVDNCHOFZ-UHFFFAOYSA-N 0.000 description 2
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical compound NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 description 2
- VADKRMSMGWJZCF-UHFFFAOYSA-N 2-bromophenol Chemical compound OC1=CC=CC=C1Br VADKRMSMGWJZCF-UHFFFAOYSA-N 0.000 description 2
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 2
- 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
- HFHFGHLXUCOHLN-UHFFFAOYSA-N 2-fluorophenol Chemical compound OC1=CC=CC=C1F HFHFGHLXUCOHLN-UHFFFAOYSA-N 0.000 description 2
- KQDJTBPASNJQFQ-UHFFFAOYSA-N 2-iodophenol Chemical compound OC1=CC=CC=C1I KQDJTBPASNJQFQ-UHFFFAOYSA-N 0.000 description 2
- CRBJBYGJVIBWIY-UHFFFAOYSA-N 2-isopropylphenol Chemical compound CC(C)C1=CC=CC=C1O CRBJBYGJVIBWIY-UHFFFAOYSA-N 0.000 description 2
- XLLIQLLCWZCATF-UHFFFAOYSA-N 2-methoxyethyl acetate Chemical compound COCCOC(C)=O XLLIQLLCWZCATF-UHFFFAOYSA-N 0.000 description 2
- 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
- ZNPSUQQXTRRSBM-UHFFFAOYSA-N 4-n-Pentylphenol Chemical compound CCCCCC1=CC=C(O)C=C1 ZNPSUQQXTRRSBM-UHFFFAOYSA-N 0.000 description 2
- IGFHQQFPSIBGKE-UHFFFAOYSA-N 4-nonylphenol Chemical compound CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 2
- NTDQQZYCCIDJRK-UHFFFAOYSA-N 4-octylphenol Chemical compound CCCCCCCCC1=CC=C(O)C=C1 NTDQQZYCCIDJRK-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- XNWPXDGRBWJIES-UHFFFAOYSA-N Maclurin Chemical compound OC1=CC(O)=CC(O)=C1C(=O)C1=CC=C(O)C(O)=C1 XNWPXDGRBWJIES-UHFFFAOYSA-N 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 2
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 description 2
- XFSBVAOIAHNAPC-WSORPINJSA-N acetylbenzoylaconine Chemical compound O([C@H]1[C@]2(O)C[C@H]3C45[C@@H]6[C@@H]([C@@]([C@H]31)(OC(C)=O)[C@@H](O)[C@@H]2OC)[C@H](OC)C4[C@]([C@@H](C[C@H]5OC)O)(COC)CN6CC)C(=O)C1=CC=CC=C1 XFSBVAOIAHNAPC-WSORPINJSA-N 0.000 description 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N anhydrous diethylene glycol Natural products OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 2
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 2
- 229950011260 betanaphthol Drugs 0.000 description 2
- YXVFYQXJAXKLAK-UHFFFAOYSA-N biphenyl-4-ol Chemical compound C1=CC(O)=CC=C1C1=CC=CC=C1 YXVFYQXJAXKLAK-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- MLUCVPSAIODCQM-NSCUHMNNSA-N crotonaldehyde Chemical compound C\C=C\C=O MLUCVPSAIODCQM-NSCUHMNNSA-N 0.000 description 2
- MLUCVPSAIODCQM-UHFFFAOYSA-N crotonaldehyde Natural products CC=CC=O MLUCVPSAIODCQM-UHFFFAOYSA-N 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 229940015043 glyoxal Drugs 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229940071125 manganese acetate Drugs 0.000 description 2
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- LPEKGGXMPWTOCB-UHFFFAOYSA-N methyl 2-hydroxypropionate Chemical compound COC(=O)C(C)O LPEKGGXMPWTOCB-UHFFFAOYSA-N 0.000 description 2
- NXPPAOGUKPJVDI-UHFFFAOYSA-N naphthalene-1,2-diol Chemical compound C1=CC=CC2=C(O)C(O)=CC=C21 NXPPAOGUKPJVDI-UHFFFAOYSA-N 0.000 description 2
- BTFQKIATRPGRBS-UHFFFAOYSA-N o-tolualdehyde Chemical compound CC1=CC=CC=C1C=O BTFQKIATRPGRBS-UHFFFAOYSA-N 0.000 description 2
- QBDSZLJBMIMQRS-UHFFFAOYSA-N p-Cumylphenol Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=CC=C1 QBDSZLJBMIMQRS-UHFFFAOYSA-N 0.000 description 2
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 2
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- 150000003335 secondary amines Chemical class 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- HFFLGKNGCAIQMO-UHFFFAOYSA-N trichloroacetaldehyde Chemical compound ClC(Cl)(Cl)C=O HFFLGKNGCAIQMO-UHFFFAOYSA-N 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- 229950002929 trinitrophenol Drugs 0.000 description 2
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- 239000004246 zinc acetate Substances 0.000 description 2
- XEDWWPGWIXPVRQ-UHFFFAOYSA-N (2,3,4-trihydroxyphenyl)-(3,4,5-trihydroxyphenyl)methanone Chemical compound OC1=C(O)C(O)=CC=C1C(=O)C1=CC(O)=C(O)C(O)=C1 XEDWWPGWIXPVRQ-UHFFFAOYSA-N 0.000 description 1
- QWRVAXMLZCMVSL-UHFFFAOYSA-N (2,4,6-trihydroxyphenyl)-(3,4,5-trihydroxyphenyl)methanone Chemical compound OC1=CC(O)=CC(O)=C1C(=O)C1=CC(O)=C(O)C(O)=C1 QWRVAXMLZCMVSL-UHFFFAOYSA-N 0.000 description 1
- GBQZZLQKUYLGFT-UHFFFAOYSA-N (2,4-dihydroxyphenyl)-(2,3,4-trihydroxyphenyl)methanone Chemical compound OC1=CC(O)=CC=C1C(=O)C1=CC=C(O)C(O)=C1O GBQZZLQKUYLGFT-UHFFFAOYSA-N 0.000 description 1
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- RYNQKSJRFHJZTK-UHFFFAOYSA-N (3-methoxy-3-methylbutyl) acetate Chemical compound COC(C)(C)CCOC(C)=O RYNQKSJRFHJZTK-UHFFFAOYSA-N 0.000 description 1
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- RRQYJINTUHWNHW-UHFFFAOYSA-N 1-ethoxy-2-(2-ethoxyethoxy)ethane Chemical compound CCOCCOCCOCC RRQYJINTUHWNHW-UHFFFAOYSA-N 0.000 description 1
- LIPRQQHINVWJCH-UHFFFAOYSA-N 1-ethoxypropan-2-yl acetate Chemical compound CCOCC(C)OC(C)=O LIPRQQHINVWJCH-UHFFFAOYSA-N 0.000 description 1
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- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 description 1
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- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
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- UWFUILMHBCVIMK-UHFFFAOYSA-N 4-[bis(4-hydroxy-3,5-dimethylphenyl)methyl]benzene-1,2-diol Chemical compound CC1=C(O)C(C)=CC(C(C=2C=C(O)C(O)=CC=2)C=2C=C(C)C(O)=C(C)C=2)=C1 UWFUILMHBCVIMK-UHFFFAOYSA-N 0.000 description 1
- VHCLPTYUMDNFFR-UHFFFAOYSA-N 4-cyclohexyl-2-[(5-cyclohexyl-2-hydroxy-4-methylphenyl)-(2-hydroxyphenyl)methyl]-5-methylphenol Chemical compound CC1=CC(O)=C(C(C=2C(=CC=CC=2)O)C=2C(=CC(C)=C(C3CCCCC3)C=2)O)C=C1C1CCCCC1 VHCLPTYUMDNFFR-UHFFFAOYSA-N 0.000 description 1
- ZBCATMYQYDCTIZ-UHFFFAOYSA-N 4-methylcatechol Chemical compound CC1=CC=C(O)C(O)=C1 ZBCATMYQYDCTIZ-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- WRQNANDWMGAFTP-UHFFFAOYSA-N Methylacetoacetic acid Chemical compound COC(=O)CC(C)=O WRQNANDWMGAFTP-UHFFFAOYSA-N 0.000 description 1
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 1
- ZOSAHLHEJFAYAY-UHFFFAOYSA-N OC1=CC(=C(C=C1C)C1=C(C(=C(C=C1)C(C1=C(C=CC=C1)O)C1=C(C=CC=C1)O)O)C1=C(C=C(C(=C1)C)O)C)C Chemical class OC1=CC(=C(C=C1C)C1=C(C(=C(C=C1)C(C1=C(C=CC=C1)O)C1=C(C=CC=C1)O)O)C1=C(C=C(C(=C1)C)O)C)C ZOSAHLHEJFAYAY-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
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- 229910001863 barium hydroxide Inorganic materials 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- WXNRYSGJLQFHBR-UHFFFAOYSA-N bis(2,4-dihydroxyphenyl)methanone Chemical compound OC1=CC(O)=CC=C1C(=O)C1=CC=C(O)C=C1O WXNRYSGJLQFHBR-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
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- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 229960002887 deanol Drugs 0.000 description 1
- FHIVAFMUCKRCQO-UHFFFAOYSA-N diazinon Chemical compound CCOP(=S)(OCC)OC1=CC(C)=NC(C(C)C)=N1 FHIVAFMUCKRCQO-UHFFFAOYSA-N 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 229940019778 diethylene glycol diethyl ether Drugs 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 239000012972 dimethylethanolamine Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- CKSRFHWWBKRUKA-UHFFFAOYSA-N ethyl 2-ethoxyacetate Chemical compound CCOCC(=O)OCC CKSRFHWWBKRUKA-UHFFFAOYSA-N 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000000219 ethylidene group Chemical group [H]C(=[*])C([H])([H])[H] 0.000 description 1
- WBJINCZRORDGAQ-UHFFFAOYSA-N formic acid ethyl ester Natural products CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 description 1
- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 125000004464 hydroxyphenyl group Chemical group 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- YSGBMDFJWFIEDF-UHFFFAOYSA-N methyl 2-hydroxy-3-methylbutanoate Chemical compound COC(=O)C(O)C(C)C YSGBMDFJWFIEDF-UHFFFAOYSA-N 0.000 description 1
- GNVRJGIVDSQCOP-UHFFFAOYSA-N n-ethyl-n-methylethanamine Chemical compound CCN(C)CC GNVRJGIVDSQCOP-UHFFFAOYSA-N 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- RLUCXJBHKHIDSP-UHFFFAOYSA-N propane-1,2-diol;propanoic acid Chemical compound CCC(O)=O.CC(O)CO RLUCXJBHKHIDSP-UHFFFAOYSA-N 0.000 description 1
- FKRCODPIKNYEAC-UHFFFAOYSA-N propionic acid ethyl ester Natural products CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000019795 sodium metasilicate Nutrition 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000007039 two-step reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/022—Quinonediazides
- G03F7/023—Macromolecular quinonediazides; Macromolecular additives, e.g. binders
-
- 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
- C08G8/12—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with monohydric phenols having only one hydrocarbon substituent ortho on para to the OH group, e.g. p-tert.-butyl phenol
-
- 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
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
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Abstract
Description
o−クレゾール及びその他のフェノール化合物と、ホルムアルデヒド及びその他のアルデヒド化合物とを、酸触媒存在下でまず縮合反応によりノボラック化させ、その後レゾルシノールを加えて、さらにノボラック化させる製造方法。
下記の工程1(レゾール化工程)、工程2(中和・触媒除去工程)及び工程3(ノボラック化工程)を含む製造方法。
o−クレゾール及びその他のフェノール化合物と、ホルムアルデヒド及びその他のアルデヒド化合物とを、アルカリ性触媒存在下で40〜140℃に加熱して縮合反応させ、レゾール型フェノール樹脂(B’)を得る。
工程1で得られたノボラック型フェノール樹脂(B’)を酸で中和し、分離した水を抜き取った後、水を加え、同様に分離した水層を抜き取ることにより、触媒を除去する。
工程2で酸触媒を除去したノボラック型フェノール樹脂(B’)に、レゾルシノール、ホルムアルデヒド及びその他のアルデヒド化合物、並びに酸触媒を加え、60〜140℃に加熱して縮合反応を進行させ、次いで、減圧条件下でさらに脱水、脱モノマーを行い、レゾルシノール変性させたノボラック型フェノール樹脂(B)を得る。
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
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」
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
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」
攪拌機、温度計を備えた4つ口フラスコに、m−クレゾール648g、p−クレゾール432g、シュウ酸2.5g及び42質量%ホルムアルデヒド水溶液492gを加えた後、100℃まで昇温し、3時間反応させた。次いで、200℃まで昇温し減圧して脱水、脱モノマーさせ、軟化点が145℃、重量平均分子量(Mw)が9,600の固形のクレゾールノボラック樹脂(A1)を得た。
攪拌機、温度計を備えた4つ口フラスコに、m−クレゾール432g、p−クレゾール648g、シュウ酸2.5g及び42質量%ホルムアルデヒド水溶液506gを加えた後、100℃まで昇温し、3時間反応させた。次いで、200℃まで昇温し減圧して脱水、脱モノマーさせ、軟化点が150℃、重量平均分子量(Mw)が10,500の固形のクレゾールノボラック樹脂(A2)を得た。
攪拌機、温度計を備えた4つ口フラスコに、m−クレゾール780g、p−クレゾール1,560g、レゾルシノール260g、シュウ酸10.8g及び42質量%ホルムアルデヒド水溶液1,070gを加えた後、100℃まで昇温し、3時間反応させた。次いで、200℃まで昇温し減圧して脱水、脱モノマーさせ、軟化点が150℃、重量平均分子量(Mw)が9,900の固形のクレゾールノボラック樹脂(A3)を得た。
攪拌機、温度計を備えた4つ口フラスコに、o−クレゾール1,080g、水酸化ナトリウム54g及び42質量%ホルムアルデヒド水溶液615gを加えた後、60℃まで昇温して、撹拌しながら5時間反応させた。次いで、希硫酸を加えて中和し、分離した水を抜き取った後、水375gを加え、分離した水層を抜き取ることで触媒を除去した。
合成例1で得られたクレゾールノボラック樹脂(A1)16質量部、合成例4で得られたノボラック型フェノール樹脂(B1)4質量部、感光剤(東洋合成工業株式会社製「P−200」)5質量部及び溶剤(プロピレングリコールモノメチルアセテート;以下、「PGMEA」と略記する。)75質量部を均一に混合して、ポジ型フォトレジスト組成物(1)を得た。
実施例1で用いたクレゾールノボラック樹脂(A1)に代えて、合成例2で得られたノボラック型フェノール樹脂(A2)を用いた以外は実施例1と同様に行い、ポジ型フォトレジスト組成物(2)を得た。
合成例1で得られたノボラック型フェノール樹脂(A1)16質量部、感光剤(東洋合成工業株式会社製「P−200」)5質量部及びPGMEA75質量部を均一に混合して、ポジ型フォトレジスト組成物(3)を得た。
比較例1で用いたクレゾールノボラック樹脂(A1)に代えて、合成例2で得られたノボラック型フェノール樹脂(A2)を用いた以外は比較例1と同様に行い、ポジ型フォトレジスト組成物(4)を得た。
比較例1で用いたクレゾールノボラック樹脂(A1)に代えて、合成例3で得られたノボラック型フェノール樹脂(A3)を用いた以外は比較例1と同様に行い、ポジ型フォトレジスト組成物(5)を得た。
上記の実施例1、2及び比較例1〜3で調製したポジ型フォトレジスト組成物の感光剤を配合していない組成物を別途調製し、感度の測定用の組成物とした。感度の測定用に調製した組成物を直径5インチのシリコンウェハー上にスピンコーターを用いて塗布後、110℃で60秒乾燥し、1μmの厚さの薄膜を得た。アルカリ溶液(2.38質量%テトラメチルアンモニウムヒドロキシド水溶液)に60秒浸漬させ、浸漬後の膜厚を、膜厚計(フィルメトリクス社製「F−20」)を用いて測定してアルカリ溶解速度(ADR)を測定して、得られた値から下記の基準にしたがって感度を評価した。
A:アルカリ溶解速度が20nm/秒以上である。
B:アルカリ溶解速度が10nm/秒以上20nm/秒未満である。
C:アルカリ溶解速度が10nm/秒未満である。
上記の実施例1、2及び比較例1、2で得られたポジ型フォトレジスト組成物を、130℃で30分間加熱して硬化させた後、熱重量測定(TG)を行い、急激な重量変化が生じる変曲点と耐熱温度として、下記の基準にしたがって耐熱性を評価した。
A:耐熱温度が170℃以上である。
B:耐熱温度が150℃以上170℃未満である。
C:耐熱温度が150℃未満である。
Claims (5)
- m−クレゾール、p−クレゾール及びホルムアルデヒドを必須原料として製造されたクレゾールノボラック樹脂(A)と、o−クレゾール、レゾルシノール及びホルムアルデヒドを必須原料として製造されたノボラック型フェノール樹脂(B)とを含有することを特徴とするポジ型フォトレジスト組成物。
- 前記ノボラック型フェノール樹脂(B)の原料であるo−クレゾール1モルに対して、レゾルシノールのモル数が0.05〜1モルの範囲である請求項1記載のポジ型フォトレジスト組成物。
- 前記ノボラック型フェノール樹脂(B)の重量平均分子量が500〜4,000の範囲である請求項1又は2記載のポジ型フォトレジスト組成物。
- 前記ノボラック型フェノール樹脂(B)が、o−クレゾールとホルムアルデヒドとをアルカリ性触媒存在下で縮合反応させてレゾール型フェノール樹脂(B’)を得た後、該樹脂(B’)を中和後、レゾルシノール及びホルムアルデヒドを加え、酸触媒存在下で縮合反応させて得られたものである請求項1〜3のいずれか1項記載のフォトレジスト組成物。
- 前記ノボラック型フェノール樹脂(A)100質量部に対して、前記ノボラック型フェノール樹脂(B)を3〜60質量部の範囲で含有する請求項1〜4のいずれか1項記載のポジ型フォトレジスト組成物。
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