JP2007004097A - ネガレジスト組成物 - Google Patents
ネガレジスト組成物 Download PDFInfo
- Publication number
- JP2007004097A JP2007004097A JP2005212972A JP2005212972A JP2007004097A JP 2007004097 A JP2007004097 A JP 2007004097A JP 2005212972 A JP2005212972 A JP 2005212972A JP 2005212972 A JP2005212972 A JP 2005212972A JP 2007004097 A JP2007004097 A JP 2007004097A
- Authority
- JP
- Japan
- Prior art keywords
- meth
- acrylate
- resist composition
- negative resist
- group
- 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
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- 239000000203 mixture Substances 0.000 title claims abstract description 57
- 229920002120 photoresistant polymer Polymers 0.000 title claims abstract description 47
- 239000000178 monomer Substances 0.000 claims abstract description 43
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical group CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000011230 binding agent Substances 0.000 claims abstract description 18
- 229920001577 copolymer Polymers 0.000 claims abstract description 18
- 239000011347 resin Substances 0.000 claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 18
- 239000002253 acid Substances 0.000 claims abstract description 10
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 10
- 125000003700 epoxy group Chemical group 0.000 claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 93
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 33
- -1 2-ethoxyethyl Chemical group 0.000 claims description 19
- 125000004432 carbon atom Chemical group C* 0.000 claims description 16
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 8
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 claims description 6
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical group NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 5
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 4
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 4
- 150000008065 acid anhydrides Chemical class 0.000 claims description 4
- 125000003277 amino group Chemical group 0.000 claims description 4
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 4
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- 150000003377 silicon compounds Chemical class 0.000 claims description 4
- DTGKSKDOIYIVQL-WEDXCCLWSA-N (+)-borneol Chemical group C1C[C@@]2(C)[C@@H](O)C[C@@H]1C2(C)C DTGKSKDOIYIVQL-WEDXCCLWSA-N 0.000 claims description 3
- JNPCNDJVEUEFBO-UHFFFAOYSA-N 1-butylpyrrole-2,5-dione Chemical compound CCCCN1C(=O)C=CC1=O JNPCNDJVEUEFBO-UHFFFAOYSA-N 0.000 claims description 3
- BQTPKSBXMONSJI-UHFFFAOYSA-N 1-cyclohexylpyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1CCCCC1 BQTPKSBXMONSJI-UHFFFAOYSA-N 0.000 claims description 3
- DABFKTHTXOELJF-UHFFFAOYSA-N 1-propylpyrrole-2,5-dione Chemical compound CCCN1C(=O)C=CC1=O DABFKTHTXOELJF-UHFFFAOYSA-N 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- 125000004200 2-methoxyethyl group Chemical group [H]C([H])([H])OC([H])([H])C([H])([H])* 0.000 claims description 3
- FMFHUEMLVAIBFI-UHFFFAOYSA-N 2-phenylethenyl acetate Chemical compound CC(=O)OC=CC1=CC=CC=C1 FMFHUEMLVAIBFI-UHFFFAOYSA-N 0.000 claims description 3
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 claims description 3
- GHAZCVNUKKZTLG-UHFFFAOYSA-N N-ethyl-succinimide Natural products CCN1C(=O)CCC1=O GHAZCVNUKKZTLG-UHFFFAOYSA-N 0.000 claims description 3
- HDFGOPSGAURCEO-UHFFFAOYSA-N N-ethylmaleimide Chemical compound CCN1C(=O)C=CC1=O HDFGOPSGAURCEO-UHFFFAOYSA-N 0.000 claims description 3
- 125000005073 adamantyl group Chemical group C12(CC3CC(CC(C1)C3)C2)* 0.000 claims description 3
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 claims description 3
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 3
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 3
- SEEYREPSKCQBBF-UHFFFAOYSA-N n-methylmaleimide Chemical compound CN1C(=O)C=CC1=O SEEYREPSKCQBBF-UHFFFAOYSA-N 0.000 claims description 3
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 claims description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- LCFVJGUPQDGYKZ-UHFFFAOYSA-N Bisphenol A diglycidyl ether Chemical compound C=1C=C(OCC2OC2)C=CC=1C(C)(C)C(C=C1)=CC=C1OCC1CO1 LCFVJGUPQDGYKZ-UHFFFAOYSA-N 0.000 claims description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 2
- 125000005907 alkyl ester group Chemical group 0.000 claims description 2
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- GAURFLBIDLSLQU-UHFFFAOYSA-N diethoxy(methyl)silicon Chemical compound CCO[Si](C)OCC GAURFLBIDLSLQU-UHFFFAOYSA-N 0.000 claims description 2
- WHGNXNCOTZPEEK-UHFFFAOYSA-N dimethoxy-methyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](C)(OC)CCCOCC1CO1 WHGNXNCOTZPEEK-UHFFFAOYSA-N 0.000 claims description 2
- HHBOIIOOTUCYQD-UHFFFAOYSA-N ethoxy-dimethyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](C)(C)CCCOCC1CO1 HHBOIIOOTUCYQD-UHFFFAOYSA-N 0.000 claims description 2
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 claims description 2
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- FBNXYLDLGARYKQ-UHFFFAOYSA-N methoxy-dimethyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](C)(C)CCCOCC1CO1 FBNXYLDLGARYKQ-UHFFFAOYSA-N 0.000 claims description 2
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000001400 nonyl 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])[H] 0.000 claims description 2
- 125000002347 octyl 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])[H] 0.000 claims description 2
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 2
- UDUKMRHNZZLJRB-UHFFFAOYSA-N triethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OCC)(OCC)OCC)CCC2OC21 UDUKMRHNZZLJRB-UHFFFAOYSA-N 0.000 claims description 2
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 claims description 2
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 claims description 2
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 2
- MECNWXGGNCJFQJ-UHFFFAOYSA-N 3-piperidin-1-ylpropane-1,2-diol Chemical compound OCC(O)CN1CCCCC1 MECNWXGGNCJFQJ-UHFFFAOYSA-N 0.000 claims 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 15
- 239000000126 substance Substances 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 12
- 230000000704 physical effect Effects 0.000 abstract description 5
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 238000004132 cross linking Methods 0.000 description 8
- 239000004973 liquid crystal related substance Substances 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
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Natural products CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-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
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 2
- DOVZUKKPYKRVIK-UHFFFAOYSA-N 1-methoxypropan-2-yl propanoate Chemical compound CCC(=O)OC(C)COC DOVZUKKPYKRVIK-UHFFFAOYSA-N 0.000 description 2
- XLLIQLLCWZCATF-UHFFFAOYSA-N 2-methoxyethyl acetate Chemical compound COCCOC(C)=O XLLIQLLCWZCATF-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N anhydrous diethylene glycol Natural products OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 2
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 2
- 239000012965 benzophenone Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-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
- 238000011156 evaluation Methods 0.000 description 2
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- QNODIIQQMGDSEF-UHFFFAOYSA-N (1-hydroxycyclohexyl)-phenylmethanone Chemical compound C=1C=CC=CC=1C(=O)C1(O)CCCCC1 QNODIIQQMGDSEF-UHFFFAOYSA-N 0.000 description 1
- GJZFGDYLJLCGHT-UHFFFAOYSA-N 1,2-diethylthioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=C(CC)C(CC)=CC=C3SC2=C1 GJZFGDYLJLCGHT-UHFFFAOYSA-N 0.000 description 1
- IYDQUNGWLDBKOF-UHFFFAOYSA-N 1-(4-butylphenyl)-2,2,2-trichloroethanone Chemical compound CCCCC1=CC=C(C(=O)C(Cl)(Cl)Cl)C=C1 IYDQUNGWLDBKOF-UHFFFAOYSA-N 0.000 description 1
- HSKPJQYAHCKJQC-UHFFFAOYSA-N 1-ethylanthracene-9,10-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2CC HSKPJQYAHCKJQC-UHFFFAOYSA-N 0.000 description 1
- YIKSHDNOAYSSPX-UHFFFAOYSA-N 1-propan-2-ylthioxanthen-9-one Chemical compound S1C2=CC=CC=C2C(=O)C2=C1C=CC=C2C(C)C YIKSHDNOAYSSPX-UHFFFAOYSA-N 0.000 description 1
- FENFUOGYJVOCRY-UHFFFAOYSA-N 1-propoxypropan-2-ol Chemical compound CCCOCC(C)O FENFUOGYJVOCRY-UHFFFAOYSA-N 0.000 description 1
- KWVGIHKZDCUPEU-UHFFFAOYSA-N 2,2-dimethoxy-2-phenylacetophenone Chemical compound C=1C=CC=CC=1C(OC)(OC)C(=O)C1=CC=CC=C1 KWVGIHKZDCUPEU-UHFFFAOYSA-N 0.000 description 1
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 1
- SGQHDGJJZODGHE-UHFFFAOYSA-N 2-(2-hydroxyethoxy)ethanol;methyl acetate Chemical compound COC(C)=O.OCCOCCO SGQHDGJJZODGHE-UHFFFAOYSA-N 0.000 description 1
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 1
- CUDYYMUUJHLCGZ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propan-1-ol Chemical compound COC(C)COC(C)CO CUDYYMUUJHLCGZ-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- UHFFVFAKEGKNAQ-UHFFFAOYSA-N 2-benzyl-2-(dimethylamino)-1-(4-morpholin-4-ylphenyl)butan-1-one Chemical compound C=1C=C(N2CCOCC2)C=CC=1C(=O)C(CC)(N(C)C)CC1=CC=CC=C1 UHFFVFAKEGKNAQ-UHFFFAOYSA-N 0.000 description 1
- DZZAHLOABNWIFA-UHFFFAOYSA-N 2-butoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OCCCC)C(=O)C1=CC=CC=C1 DZZAHLOABNWIFA-UHFFFAOYSA-N 0.000 description 1
- KXYJNSJYQCRPRE-UHFFFAOYSA-N 2-chloro-1-(4-phenoxyphenyl)ethanone Chemical compound C1=CC(C(=O)CCl)=CC=C1OC1=CC=CC=C1 KXYJNSJYQCRPRE-UHFFFAOYSA-N 0.000 description 1
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 description 1
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 description 1
- LWRBVKNFOYUCNP-UHFFFAOYSA-N 2-methyl-1-(4-methylsulfanylphenyl)-2-morpholin-4-ylpropan-1-one Chemical compound C1=CC(SC)=CC=C1C(=O)C(C)(C)N1CCOCC1 LWRBVKNFOYUCNP-UHFFFAOYSA-N 0.000 description 1
- LETDRANQSOEVCX-UHFFFAOYSA-N 2-methyl-4,6-bis(trichloromethyl)-1,3,5-triazine Chemical compound CC1=NC(C(Cl)(Cl)Cl)=NC(C(Cl)(Cl)Cl)=N1 LETDRANQSOEVCX-UHFFFAOYSA-N 0.000 description 1
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- 239000000654 additive Substances 0.000 description 1
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- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
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- YLHXLHGIAMFFBU-UHFFFAOYSA-N methyl phenylglyoxalate Chemical compound COC(=O)C(=O)C1=CC=CC=C1 YLHXLHGIAMFFBU-UHFFFAOYSA-N 0.000 description 1
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- 239000003504 photosensitizing agent Substances 0.000 description 1
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- 150000003376 silicon Chemical class 0.000 description 1
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- 238000003756 stirring Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 238000012719 thermal polymerization Methods 0.000 description 1
- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 150000007934 α,β-unsaturated carboxylic acids Chemical class 0.000 description 1
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Abstract
【解決手段】(a)下記i)〜iv)の単量体の共重合体よりなるバインダー樹脂と、i)不飽和基を有する酸、ii)エポキシ基に置換された(メタ)アクリル酸誘導体、iii)アルキル基に置換された(メタ)アクリル酸誘導体及びiv)アルキル基に置換された(メタ)アクリル酸誘導体、不飽和二重結合を有する化合物またはこれらの混合物、(b)3個以上の(メタ)アクリル基を有する(メタ)アクリル単量体と、(c)1〜2個のアクリル基を有する(メタ)アクリル単量体、及び(d)光開始剤を含有するネガレジスト組成物。
【選択図】なし
Description
上記のように、従来のネガレジスト組成物を用いて形成したパターンは、軟性に乏しくて合着工程において加えられる外力によって、または高温工程において発生する基板との熱膨張係数の差により容易に割れてしまう問題点が発生して、これによって製造歩留まりが低下される短所がある。
本発明のネガレジスト組成物は、バインダー樹脂として下記含量のi)〜iv)の単量体を含む単量体の共重合体(a)を3ないし40重量部含有する。
500mL重合容器にPGMEA(プロピレングリコールメチルエーテルアセテート)200mL及びAIBN 0.4gを添加した後、メタアクリル酸、グリシジルメタアクリレート、ヘプチルメタアクリレート及びシクロヘキシルアクリレートを各々15:30:15:40のモル比で添加した後、窒素雰囲気下で70℃で5時間撹伴して重合させ共重合体を合成した。
バインダー樹脂の種類、3個以上の(メタ)アクリル基を有する(メタ)アクリル単量体の種類と含量、1〜2個の(メタ)アクリル基を有する(メタ)アクリル単量体の種類と含量及び光開始剤の種類を下記表1に記載された組成に従って変化させたことを除いては同様の方法でネガレジスト組成物を製造した。
<比較例1及び2>
表2に示したように、上記実施例1の共重合体の代わりに下記化式1で表される共重合体をバインダー樹脂として用い、1〜2個の(メタ)アクリル基を有する(メタ)アクリル単量体を添加しなかったことを除いては同様の方法でネガレジスト組成物を製造した。
ネガレジスト組成物を基板上にスピンコーターを用いて800rpmの速度で8秒間塗布した後、100℃で1分間プリべーク(prebake)し、365nmで15秒間露光した後、240℃で30分間ポストべーク(postbake)を施しレジスト膜を形成させ、これをオートクレーブ(Autoclave)に入れ100℃で1時間熟成させた。オートクレーブで熟成された試片をクロスハッチカッター(Cross Hatch Cutter)で基板が露出するようにスクラッチ(Scratch)した後、接着テープで付着してから脱着した。100セルのうち80セルがテープに付いて基板から脱着されなければ「良好」、そうではなかった場合を「不良」と判断した。
ネガレジスト組成物を基板上にスピンコートしプリべーク(Pre‐Bake)をした後の厚さと、ポストべーク(Post‐Bake)をして溶媒を除去した後形成された膜の厚さとの割合(%)とを測定した。
ネガレジストパターンを形成したシリコンウエハーをホール(Hole)パターンの垂直方向から切断し、パターンの断面方向から電子顕微鏡で観察した結果を示した。パターンの側壁が基板に対して55度以上の角度で立たれており、膜が減らなかったものを「良好」とし、膜の減少が認められたものを' 膜減'と判定した。
ネガレジスト組成物を基板上にスピンコーターを用いて塗布した後、プリべーク(prebake)及びポストべーク(postbake)などの工程を経て形成されたレジスト膜をストリッパー(Stripper)、エッチャント(Etchant)溶液に40℃で10分間浸した後、レジスト膜の透過率及び厚さの変化があるか否かを観察した。透過率及び厚さの変化がないときに「良好」とし、透過率及び厚さの変化があれば「不良」と判定した。
ネガレジスト組成物を基板上にスピンコーターを用いて800rpmの速度で8秒間塗布した後、100℃で1分間プリべーク(prebake)し、365nmで15秒間露光した後、TMAH水溶液で現像して20μmx20μmのパターンを形成した。形成されたパターンを220℃で30分間ポストべーク(postbake)を施して架橋させ、このパターンをナノインデンター(nano indentor)を用いて軟性を測定した。ナノインデンターの測定は5g.fローディングで、総変異量が500nm以上であれば「良好」、500nm以下であれば「不良」と判定した。
Claims (8)
- (a)下記i)〜iv)の単量体を含む単量体の共重合体からなるバインダー樹脂3ないし40重量部と、
i)炭素原子数が3〜10である不飽和基を有する酸、その酸無水物またはこれらの混合物10ないし50モル%、
ii)炭素原子数が3〜10であるエポキシ基に置換された(メタ)アクリル酸誘導体5ないし50モル%、
iii)炭素原子数が7〜16であるアルキル基に置換された(メタ)アクリル酸誘導体1ないし35モル%、
iv)メチル(メタ)アクリレート、エチル(メタ)アクリレート、プロピル(メタ)アクリレート、ブチル(メタ)アクリレート、ペンチル(メタ)アクリレート、ヘキシル(メタ)アクリレート、シクロヘキシル(メタ)アクリレート、イソボルニル(メタ)アクリレート、アダマンチル(メタ)アクリレート、ジシクロフェンタニル(メタ)アクリレート、ジシクロペンテニル(メタ)アクリレート、ベンジル(メタ)アクリレート、2‐メトキシエチル(メタ)アクリレート、2‐エトキシエチル(メタ)アクリレート、スチレン、α‐メチルスチレン、アセトキシスチレン、N‐メチルマレイミド、N‐エチルマレイミド、N‐プロピルマレイミド、N‐ブチルマレイミド、N‐シクロヘキシルマレイミド、(メタ)アクリルアミド及びN‐メチル(メタ)アクリルアミドからなる群より選択された何れか一つ以上の炭素原子数が1〜6であるアルキル基に置換された(メタ)アクリル酸誘導体または炭素原子数が4〜14である不飽和二重結合を有する化合物5ないし55モル%、
(b)3個以上の(メタ)アクリル基を有する(メタ)アクリル単量体1ないし40重量部と、
(c)1〜2個の(メタ)アクリル基を有する(メタ)アクリル単量体1ないし40重量部と、
(d)光開始剤0.01ないし10重量部とを含有するネガレジスト組成物。 - 上記iii)の単量体は、ヘプチル(メタ)アクリレート、オクチル(メタ)アクリレート、ノニル(メタ)アクリレート、デシル(メタ)アクリレート、ラウリル(メタ)アクリレート、ドデシル(メタ)アクリレート、テトラデシル(メタ)アクリレート及びヘキサデシル(メタ)アクリレートからなる群より選択された何れか一つの単量体またはこれらの混合物であることを特徴とする請求項1に記載のネガレジスト組成物。
- 上記共重合体の平均分子量が2,000ないし300,000であり、分散度は1.0ないし10.0であり、酸価は10ないし400KOH mg/gであることを特徴とする請求項1に記載のネガレジスト組成物。
- 上記3個以上の(メタ)アクリル基を有する(メタ)アクリル単量体は、トリメチロールプロパントリ(メタ)アクリレート、ペンタエリスリトールトリ(メタ)アクリレート、ペンタエリスリトールテトラ(メタ)アクリレート、ジペンタエリスリトールペンタ(メタ)アクリレート、ジペンタエリスリトールヘキサ(メタ)アクリレート及びジペンタエリスリトールトリ(メタ)アクリレートからなる群より選択された化合物、トリメチロールプロパントリグリシジルエーテルアクリル酸付加物またはこれらの混合物を含むことを特徴とする請求項1に記載のネガレジスト組成物。
- 上記1〜2個の(メタ)アクリル基を有する(メタ)アクリル単量体は、(メタ)アクリル酸のアルキルエステル、グリシジル(メタ)アクリレート、エチレンオキシド基の数が2ないし14であるポリエチレングリコールモノ(メタ)アクリレート、エチレングリコールジ(メタ)アクリレート、エチレンオキシド基の数が2ないし14であるポリエチレングリコールジ(メタ)アクリレート、プロピレンオキシド基の数が2ないし14であるプロピレングリコールジ(メタ)アクリレート、トリメチロールプロパンジ(メタ)アクリレート、ビスフェノールAジグリシジルエーテルアクリル酸付加物、β‐ヒドロキシエチル(メタ)アクリレートのフタル酸ジエステル及びβ‐ヒドロキシエチル(メタ)アクリレートのトルエンジイソシアネート付加物からなる群より選択された何れか一つ以上を含むことを特徴とする請求項1に記載のネガレジスト組成物。
- エポキシ基またはアミン基を含むシリコン系化合物0.0001ないし3重量部をさらに含むことを特徴とする請求項1に記載のネガレジスト組成物。
- 上記エポキシ基またはアミン基を含むシリコン系化合物は、(3‐グリシジルオキシプロピル)トリメトキシシラン、(3‐グリシジルオキシプロピル)トリエトキシシラン、(3‐グリシジルオキシプロピル)メチルジメトキシシラン、(3‐グリシジルオキシプロピル)メチルジエトキシシラン、(3‐グリシジルオキシプロピル)ジメチルメトキシシラン、(3‐グリシジルオキシプロピル)ジメチルエトキシシラン、3,4‐エポキシブチルトリメトキシシラン、3,4‐エポキシブチルトリエトキシシラン、2‐(3,4‐エポキシシクロヘキシル)エチルトリメトキシシラン、2‐(3,4‐エポキシシクロヘキシル)エチルトリエトキシシラン及びアミノプロピルトリメトキシシランからなる群より選択された何れか一つ以上を含むことを特徴とする請求項6に記載のネガレジスト組成物。
- 粘度が1ないし50cpsになるように溶媒をさらに含むことを特徴とする請求項1に記載のネガレジスト組成物。
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JP2012018374A (ja) * | 2010-06-08 | 2012-01-26 | Sumitomo Chemical Co Ltd | 感光性樹脂組成物 |
JP2012137745A (ja) * | 2010-12-10 | 2012-07-19 | Sumitomo Chemical Co Ltd | 感光性樹脂組成物 |
JP2013092676A (ja) * | 2011-10-26 | 2013-05-16 | Hitachi Chemical Co Ltd | 感光性樹脂組成物、感光性エレメント、レジストパターンの形成方法及びプリント配線板の製造方法 |
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JP2018004841A (ja) * | 2016-06-29 | 2018-01-11 | Jsr株式会社 | 感放射線性樹脂組成物、パターン、パターン形成方法及び表示素子 |
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