KR102451849B1 - 레지스트 조성물 및 레지스트 패턴 형성 방법 - Google Patents
레지스트 조성물 및 레지스트 패턴 형성 방법 Download PDFInfo
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- KR102451849B1 KR102451849B1 KR1020180031141A KR20180031141A KR102451849B1 KR 102451849 B1 KR102451849 B1 KR 102451849B1 KR 1020180031141 A KR1020180031141 A KR 1020180031141A KR 20180031141 A KR20180031141 A KR 20180031141A KR 102451849 B1 KR102451849 B1 KR 102451849B1
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- 239000000203 mixture Substances 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims abstract description 86
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 213
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 114
- 239000002253 acid Substances 0.000 claims abstract description 103
- 229920000642 polymer Polymers 0.000 claims abstract description 76
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 62
- 150000001875 compounds Chemical class 0.000 claims abstract description 62
- 230000009471 action Effects 0.000 claims abstract description 27
- 125000004122 cyclic group Chemical group 0.000 claims description 111
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 30
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 28
- 125000005647 linker group Chemical group 0.000 claims description 28
- 125000005843 halogen group Chemical group 0.000 claims description 26
- 150000002596 lactones Chemical class 0.000 claims description 23
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 23
- 125000004434 sulfur atom Chemical group 0.000 claims description 23
- 229910052717 sulfur Inorganic materials 0.000 claims description 21
- 125000003545 alkoxy group Chemical group 0.000 claims description 19
- 150000001768 cations Chemical class 0.000 claims description 16
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 14
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 10
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 10
- 230000007261 regionalization Effects 0.000 abstract description 7
- 125000001424 substituent group Chemical group 0.000 description 125
- 125000004432 carbon atom Chemical group C* 0.000 description 106
- 239000010408 film Substances 0.000 description 67
- 125000001931 aliphatic group Chemical group 0.000 description 64
- 239000003960 organic solvent Substances 0.000 description 64
- -1 α-substituted acrylic acid Chemical class 0.000 description 62
- 150000002430 hydrocarbons Chemical group 0.000 description 47
- 125000001153 fluoro group Chemical group F* 0.000 description 45
- 229910052731 fluorine Inorganic materials 0.000 description 44
- 229910052799 carbon Inorganic materials 0.000 description 37
- 230000000052 comparative effect Effects 0.000 description 36
- QMIMHUDEVKGOTQ-DVQDXYAYSA-N (e)-n-[(1s)-1-(3-morpholin-4-ylphenyl)ethyl]-3-phenylprop-2-enamide Chemical compound N([C@@H](C)C=1C=C(C=CC=1)N1CCOCC1)C(=O)\C=C\C1=CC=CC=C1 QMIMHUDEVKGOTQ-DVQDXYAYSA-N 0.000 description 33
- AHLPHDHHMVZTML-BYPYZUCNSA-N L-Ornithine Chemical compound NCCC[C@H](N)C(O)=O AHLPHDHHMVZTML-BYPYZUCNSA-N 0.000 description 33
- 239000002904 solvent Substances 0.000 description 31
- 125000003342 alkenyl group Chemical group 0.000 description 30
- 125000003118 aryl group Chemical group 0.000 description 29
- 230000008569 process Effects 0.000 description 29
- 125000003367 polycyclic group Chemical group 0.000 description 27
- 150000002605 large molecules Chemical class 0.000 description 25
- 239000000243 solution Substances 0.000 description 24
- 239000004615 ingredient Substances 0.000 description 23
- 239000002585 base Substances 0.000 description 22
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 22
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 description 20
- 125000002723 alicyclic group Chemical group 0.000 description 19
- 150000001721 carbon Chemical group 0.000 description 19
- 238000011161 development Methods 0.000 description 19
- 230000018109 developmental process Effects 0.000 description 19
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 18
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 18
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 18
- 239000011347 resin Substances 0.000 description 18
- 229920005989 resin Polymers 0.000 description 18
- 150000001450 anions Chemical class 0.000 description 15
- 239000007788 liquid Substances 0.000 description 15
- 125000002950 monocyclic group Chemical group 0.000 description 14
- 125000005396 acrylic acid ester group Chemical group 0.000 description 13
- 239000003513 alkali Substances 0.000 description 13
- 150000002148 esters Chemical class 0.000 description 13
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 13
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 12
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 12
- 125000000623 heterocyclic group Chemical group 0.000 description 12
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 12
- 239000004094 surface-active agent Substances 0.000 description 12
- XUDBVJCTLZTSDC-UHFFFAOYSA-N 2-ethenylbenzoic acid Chemical class OC(=O)C1=CC=CC=C1C=C XUDBVJCTLZTSDC-UHFFFAOYSA-N 0.000 description 10
- XLLXMBCBJGATSP-UHFFFAOYSA-N 2-phenylethenol Chemical class OC=CC1=CC=CC=C1 XLLXMBCBJGATSP-UHFFFAOYSA-N 0.000 description 10
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 10
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 10
- 238000010894 electron beam technology Methods 0.000 description 10
- 229940116333 ethyl lactate Drugs 0.000 description 10
- 239000011737 fluorine Substances 0.000 description 10
- 125000005842 heteroatom Chemical group 0.000 description 10
- 238000007654 immersion Methods 0.000 description 10
- 150000002576 ketones Chemical class 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 10
- 239000004215 Carbon black (E152) Substances 0.000 description 9
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 9
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 9
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical class C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 9
- 125000000753 cycloalkyl group Chemical group 0.000 description 9
- 229930195733 hydrocarbon Natural products 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- UMRZSTCPUPJPOJ-KNVOCYPGSA-N norbornane Chemical compound C1C[C@H]2CC[C@@H]1C2 UMRZSTCPUPJPOJ-KNVOCYPGSA-N 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 8
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 8
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 8
- 125000004429 atom Chemical group 0.000 description 8
- 229910052801 chlorine Inorganic materials 0.000 description 8
- 125000001309 chloro group Chemical group Cl* 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 8
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 description 8
- 229910052740 iodine Inorganic materials 0.000 description 8
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 8
- 238000001459 lithography Methods 0.000 description 8
- JESXATFQYMPTNL-UHFFFAOYSA-N mono-hydroxyphenyl-ethylene Natural products OC1=CC=CC=C1C=C JESXATFQYMPTNL-UHFFFAOYSA-N 0.000 description 8
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 8
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 8
- 239000000654 additive Substances 0.000 description 7
- 150000004945 aromatic hydrocarbons Chemical group 0.000 description 7
- 125000000732 arylene group Chemical group 0.000 description 7
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 7
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 7
- 125000004433 nitrogen atom Chemical group N* 0.000 description 7
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical group C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 6
- 125000005073 adamantyl group Chemical group C12(CC3CC(CC(C1)C3)C2)* 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 6
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical group C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 6
- 125000006615 aromatic heterocyclic group Chemical group 0.000 description 6
- 125000003710 aryl alkyl group Chemical group 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000000470 constituent Substances 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 6
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 6
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 6
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 125000001624 naphthyl group Chemical group 0.000 description 6
- 150000002892 organic cations Chemical class 0.000 description 6
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical group C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 5
- 150000001408 amides Chemical class 0.000 description 5
- 238000003776 cleavage reaction Methods 0.000 description 5
- 125000006165 cyclic alkyl group Chemical group 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005227 gel permeation chromatography Methods 0.000 description 5
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 5
- 239000012046 mixed solvent Substances 0.000 description 5
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 5
- 125000000962 organic group Chemical group 0.000 description 5
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 5
- 239000002798 polar solvent Substances 0.000 description 5
- 230000007017 scission Effects 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 125000006527 (C1-C5) alkyl group Chemical group 0.000 description 4
- 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 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000007983 Tris buffer Substances 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 4
- 238000010494 dissociation reaction Methods 0.000 description 4
- 230000005593 dissociations Effects 0.000 description 4
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 4
- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 125000002868 norbornyl group Chemical group C12(CCC(CC1)C2)* 0.000 description 4
- 150000002894 organic compounds Chemical class 0.000 description 4
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 229920002223 polystyrene Polymers 0.000 description 4
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 4
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 4
- 229930195734 saturated hydrocarbon Natural products 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 4
- 125000004924 2-naphthylethyl group Chemical group C1=C(C=CC2=CC=CC=C12)CC* 0.000 description 3
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 230000001476 alcoholic effect Effects 0.000 description 3
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 3
- 150000003973 alkyl amines Chemical class 0.000 description 3
- 125000005192 alkyl ethylene group Chemical group 0.000 description 3
- 125000003277 amino group Chemical group 0.000 description 3
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 3
- 239000004305 biphenyl Chemical group 0.000 description 3
- 235000010290 biphenyl Nutrition 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 125000006841 cyclic skeleton Chemical group 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- RMBPEFMHABBEKP-UHFFFAOYSA-N fluorene Chemical group C1=CC=C2C3=C[CH]C=CC3=CC2=C1 RMBPEFMHABBEKP-UHFFFAOYSA-N 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N o-biphenylenemethane Chemical group C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 3
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 150000005846 sugar alcohols Polymers 0.000 description 3
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 3
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 3
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 3
- JWZZKOKVBUJMES-UHFFFAOYSA-N (+-)-Isoprenaline Chemical compound CC(C)NCC(O)C1=CC=C(O)C(O)=C1 JWZZKOKVBUJMES-UHFFFAOYSA-N 0.000 description 2
- 125000006832 (C1-C10) alkylene group Chemical group 0.000 description 2
- 125000006833 (C1-C5) alkylene group Chemical group 0.000 description 2
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical group C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 2
- 125000006218 1-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 2
- OJVAMHKKJGICOG-UHFFFAOYSA-N 2,5-hexanedione Chemical compound CC(=O)CCC(C)=O OJVAMHKKJGICOG-UHFFFAOYSA-N 0.000 description 2
- FPZWZCWUIYYYBU-UHFFFAOYSA-N 2-(2-ethoxyethoxy)ethyl acetate Chemical compound CCOCCOCCOC(C)=O FPZWZCWUIYYYBU-UHFFFAOYSA-N 0.000 description 2
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical compound CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 description 2
- DJYQGDNOPVHONN-UHFFFAOYSA-N 2-[bis(2-acetyloxyethyl)amino]ethyl acetate Chemical compound CC(=O)OCCN(CCOC(C)=O)CCOC(C)=O DJYQGDNOPVHONN-UHFFFAOYSA-N 0.000 description 2
- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 description 2
- 125000004493 2-methylbut-1-yl group Chemical group CC(C*)CC 0.000 description 2
- 125000005916 2-methylpentyl group Chemical group 0.000 description 2
- ZPVFWPFBNIEHGJ-UHFFFAOYSA-N 2-octanone Chemical compound CCCCCCC(C)=O ZPVFWPFBNIEHGJ-UHFFFAOYSA-N 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- 125000005917 3-methylpentyl group Chemical group 0.000 description 2
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- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 150000008053 sultones Chemical class 0.000 description 1
- LPQZERIRKRYGGM-UHFFFAOYSA-N tert-butyl pyrrolidine-1-carboxylate Chemical compound CC(C)(C)OC(=O)N1CCCC1 LPQZERIRKRYGGM-UHFFFAOYSA-N 0.000 description 1
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- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- 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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Abstract
(해결수단) 산의 작용에 의해 현상액에 대한 용해성이 변화하는 기재 성분 (A) 및 노광에 의해 산을 발생하는 산발생제 성분 (B) 를 함유하는 레지스트 조성물로서,
상기 기재 성분 (A) 가 산 분해성기를 가지는 구성 단위 (a1)을 함유하는 고분자 화합물 (A1)을 함유하고,
상기 산 분해성기를 가지는 구성 단위 (a1)은 상기 고분자 화합물 (A1)의 구성 단위 전체에 대하여 51몰% ∼ 59몰% 로 함유되며,
상기 산 분해성기를 가지는 구성 단위 (a1)은 하기 식 (a1-1) 로 나타내는 구성 단위를 함유하는, 레지스트 조성물을 제공함으로써, 상기 과제를 해결함.
[식 (a1-1) 중, R 은 수소 원자, 알킬기 또는 할로겐화알킬기를 나타내고; Z 는 단일 결합 또는 알킬렌기를 나타내고; Cp 는 (여기서, R1 은 제 3 급 알킬기이고, np 는 양의 정수이고, * 는 Z 와의 결합 위치를 나타낸다) 를 나타낸다.]
Description
도 2 의 (A) ∼ (C) 는 각각, 비교예 3, 실시예 2, 및 비교예 4 의 SEM 사진을 나타낸 것이다.
도 3 의 (A) ∼ (E) 는 각각, 비교예 5, 실시예 3 ∼ 5, 및 비교예 6 의 SEM 사진을 나타낸 것이다.
도 4 의 (A) ∼ (D) 는 각각, 실시예 6 내지 9 의 SEM 사진을 나타낸 것이다.
| (A) 성분 | (B) 성분 |
(D) 성분 |
(E) 성분 |
(F) 성분 |
(S) 성분 |
||||
| 폴리머 | 보호율 | ||||||||
| 비교예 1 | 폴리머 A [100] |
50% | P-A [11.43] |
P-B [6.16] |
Q-A [6.36] |
(E)-1 [0.1] |
(F)-1 [0.9] |
(S)-1 [3850] |
(S)-2 [50] |
| 실시예 1 | 폴리머 B [100] |
55% | P-A [11.43] |
P-B [6.16] |
Q-A [6.36] |
(E)-1 [0.1] |
(F)-1 [0.9] |
(S)-1 [3850] |
(S)-2 [50] |
| 비교예 2 | 폴리머 C [100] |
60% | P-A [11.43] |
P-B [6.16] |
Q-A [6.36] |
(E)-1 [0.1] |
(F)-1 [0.9] |
(S)-1 [3850] |
(S)-2 [50] |
| (A) 성분 | (B) 성분 |
(D) 성분 |
(E) 성분 |
(F) 성분 |
(S) 성분 |
||||
| 폴리머 | 보호율 | ||||||||
| 비교예 3 | 폴리머 I [100] |
50% | P-C [18.7] |
P-B [6.16] |
Q-A [5.61] |
(E)-1 [0.1] |
(F)-1 [0.9] |
(S)-1 [4060] |
(S)-2 [50] |
| 실시예 2 | 폴리머 J [100] |
55% | P-C [18.7] |
P-B [6.16] |
Q-A [5.61] |
(E)-1 [0.1] |
(F)-1 [0.9] |
(S)-1 [4060] |
(S)-2 [50] |
| 비교예 4 | 폴리머 K [100] |
60% | P-C [18.7] |
P-B [6.16] |
Q-A [5.61] |
(E)-1 [0.1] |
(F)-1 [0.9] |
(S)-1 [4060] |
(S)-2 [50] |
| (A) 성분 | (B) 성분 |
(D) 성분 |
(E) 성분 |
(F) 성분 |
(S) 성분 |
||||
| 폴리머 | 보호율 | ||||||||
| 비교예 5 | 폴리머 L [100] |
50% | P-C [18.7] |
P-B [6.16] |
Q-A [5.61] |
(E)-1 [0.1] |
(F)-1 [0.9] |
(S)-1 [4060] |
(S)-2 [50] |
| 실시예 3 | 폴리머 D [100] |
52.5% | P-C [18.7] |
P-B [6.16] |
Q-A [5.61] |
(E)-1 [0.1] |
(F)-1 [0.9] |
(S)-1 [4060] |
(S)-2 [50] |
| 실시예 4 | 폴리머 M [100] |
55% | P-C [18.7] |
P-B [6.16] |
Q-A [5.61] |
(E)-1 [0.1] |
(F)-1 [0.9] |
(S)-1 [4060] |
(S)-2 [50] |
| 실시예 5 | 폴리머 E [100] | 57.5% | P-C [18.7] |
P-B [6.16] |
Q-A [5.61] |
(E)-1 [0.1] |
(F)-1 [0.9] |
(S)-1 [4060] |
(S)-2 [50] |
| 비교예 6 | 폴리머 N [100] |
60% | P-C [18.7] |
P-B [6.16] |
Q-A [5.61] |
(E)-1 [0.1] |
(F)-1 [0.9] |
(S)-1 [4060] |
(S)-2 [50] |
| (A) 성분 | (B) 성분 |
(D) 성분 |
(E) 성분 |
(F) 성분 |
(S) 성분 |
|||||
| 폴리머 | 보호율 | |||||||||
| 비교예 7 | 폴리머 F [100] |
50% | P-D [5.15] |
P-B [2.85] |
- | Q-B [2.99] |
(E)-1 [0.1] |
(F)-1 [1.25] |
(S)-1 [2450] |
(S)-2 [50] |
| 실시예 6 | 폴리머 G [100] |
55% | P-D [5.15] |
P-B [2.85] |
- | Q-B [2.99] |
(E)-1 [0.1] |
(F)-1 [1.25] |
(S)-1 [2450] |
(S)-2 [50] |
| 실시예 7 | 폴리머 G [100] |
55% | P-D [2.58] |
P-B [2.85] |
P-E [2.64] |
Q-B [2.99] |
(E)-1 [0.1] |
(F)-1 [1.25] |
(S)-1 [2450] |
(S)-2 [50] |
| 실시예 8 | 폴리머 G [100] |
55% | P-D [2.58] |
P-E [2.64] |
P-F [2.69] |
Q-B [2.99] |
(E)-1 [0.1] |
(F)-1 [1.25] |
(S)-1 [2450] |
(S)-2 [50] |
| 실시예 9 | 폴리머 H [100] |
55% | P-D [2.58] |
P-B [2.85] |
P-E [2.64] |
Q-B [2.99] |
(E)-1 [0.1] |
(F)-1 [1.25] |
(S)-1 [2450] |
(S)-2 [50] |
| 고분자 화합물 | 보호율 (%) |
공중합조성비 | |||
| 구성 단위 | 구성 단위의 배합(몰비) | ||||
| (a1) | (a2) | (a3) | |||
| 폴리머 A (Mw:9000) |
50% | (1) | (3) | - | (1)/(3) = 50/50 |
| 폴리머 B (Mw:9000) |
55% | (1) | (3) | - | (1)/(3) = 55/45 |
| 폴리머 C (Mw:9000) |
60% | (1) | (3) | - | (1)/(3) = 60/40 |
| 폴리머 D (Mw:15000) |
52.5% | (1) | (3) | - | (1)/(3) = 52.5/47.5 |
| 폴리머 E (Mw:15000) |
57.5% | (1) | (3) | - | (1)/(3) = 57.5/42.5 |
| 폴리머 F (Mw:8000) |
50% | (1),(2) | (3),(4) | (6) | (1)/(2)/(3)/(4)/(6) = 20/30/20/20/10 |
| 폴리머 G (Mw:8000) |
55% | (1),(2) | (3),(4) | (6) | (1)/(2)/(3)/(4)/(6) = 25/30/20/15/10 |
| 폴리머 H (Mw:8000) |
55% | (1),(2) | (4),(5) | (6) | (1)/(2)/(4)/(5)/(6) = 25/30/20/15/10 |
| 폴리머 I | 50% | 질량 평균 분자량(Mw)이 12,000 인 폴리머 A | |||
| 폴리머 J | 55% | 질량 평균 분자량(Mw)이 12,000 인 폴리머 B | |||
| 폴리머 K | 60% | 질량 평균 분자량(Mw)이 12,000 인 폴리머 C | |||
| 폴리머 L | 50% | 질량 평균 분자량(Mw)이 15,000 인 폴리머 A | |||
| 폴리머 M | 55% | 질량 평균 분자량(Mw)이 15,000 인 폴리머 B | |||
| 폴리머 N | 60% | 질량 평균 분자량(Mw)이 15,000 인 폴리머 C | |||
| 보호율 | CDU 50nm (nm) | CDU Ave (nm) | |
| 비교예 1 | 50% | 3.98 | 3.99 |
| 실시예 1 | 55% | 3.86 | 3.93 |
| 비교예 2 | 60% | 4.04 | 4.05 |
| 보호율 | CDU | |
| 비교예 3 | 50% | 2.97 |
| 실시예 2 | 55% | 2.85 |
| 비교예 4 | 60% | 3.04 |
| 보호율 | CDU | |
| 비교예 5 | 50% | 3.01 |
| 실시예 3 | 52.5% | 2.73 |
| 실시예 4 | 55% | 2.78 |
| 실시예 5 | 57.5% | 2.80 |
| 비교예 6 | 60% | 2.94 |
| 보호율 | 55nm | 68nm | |
| CDU(nm) | CDU(nm) | ||
| 비교예 7 | 50% | 4.64 | 10.2 |
| 실시예 6 | 55% | 4.19 | 10.0 |
| 실시예 7 | 55% | 3.91 | 9.46 |
| 실시예 8 | 55% | 4.13 | 8.56 |
| 실시예 9 | 55% | 3.80 | 8.58 |
Claims (9)
- 산의 작용에 의해 현상액에 대한 용해성이 변화하는 기재 성분 (A) 및 노광에 의해 산을 발생하는 산발생제 성분 (B) 를 함유하는 레지스트 조성물로서,
상기 산발생제 성분 (B) 가 하기 식 (b-11) ∼ (b-14) 중 어느 하나로 나타내는 산 발생제를 함유하고,
상기 기재 성분 (A) 가 산 분해성기를 가지는 구성 단위 (a1)을 함유하는 고분자 화합물 (A1)을 함유하고,
상기 산 분해성기를 가지는 구성 단위 (a1)은 상기 고분자 화합물 (A1)의 구성 단위 전체에 대하여 51몰% ∼ 59몰% 로 함유되며,
상기 산 분해성기를 가지는 구성 단위 (a1)은 하기 식 (a1-1) 로 나타내는 구성 단위를 함유하는, 레지스트 조성물.
[식 (a1-1) 중, R 은 수소 원자, 알킬기 또는 할로겐화알킬기를 나타내고; Z 는 단일 결합 또는 알킬렌기를 나타내고; Cp 는 (여기서, R1 은 제 3 급 알킬기이고, np 는 양의 정수이고, * 는 Z 와의 결합 위치를 나타낸다) 를 나타낸다.]
M'm+ (b-11)
M'm+ (b-12)
M'm+ (b-13)
M'm+ (b-14)
[식 중, M'm+ 는 m 가의 오늄 카티온(cation)이다.] - 제 1 항에 있어서,
상기 고분자 화합물 (A1)이, 락톤 함유 고리형기를 포함하는 구성 단위 (a2)를 추가로 함유하는, 레지스트 조성물. - 제 1 항 또는 제 2 항에 있어서,
상기 고분자 화합물 (A1)이, 식 (a1-1) 로 나타내는 구성 단위 이외의 산 분해성기를 가지는 구성 단위를 추가로 함유하는, 레지스트 조성물. - 제 1 항 또는 제 2 항에 있어서,
상기 np 는 1 이고, R1 는 tert-부틸기인, 레지스트 조성물. - 제 1 항 또는 제 2 항에 있어서,
상기 산 분해성기를 가지는 구성 단위 (a1)은 상기 고분자 화합물 (A1)의 구성 단위 전체에 대하여 52몰% ∼ 56몰% 로 함유되는, 레지스트 조성물. - 제 2 항에 있어서,
상기 락톤 함유 고리형기를 포함하는 구성 단위 (a2) 는 하기 식 (a2-1) 로 나타내는 구성 단위인, 레지스트 조성물.
[식 (a2-1) 중, R 은 수소 원자, 알킬기 또는 할로겐화알킬기이고, Ya21 은 단결합 또는 2 가의 연결기이고, La21 은 -O-, -COO-, -CON(R')-, -OCO-, -CONHCO- 또는 -CONHCS- 이고, R' 는 수소 원자 또는 메틸기를 나타낸다. 단, La21 이 -O- 인 경우, Ya21 은 -CO- 는 되지 않는다. Ra21 은 하기 식으로 이루어진 군으로부터 선택된다.]
[식 중, 복수의 Ra'21 은 각각 독립적으로, 수소 원자, 알킬기, 알콕시기, 할로겐 원자, 할로겐화알킬기, 수산기, -COOR", -OC(=O)R", 하이드록시알킬기 또는 시아노기이고 ; R" 는 수소 원자 또는 알킬기이고 ; A" 는 산소 원자 혹은 황 원자를 포함하고 있어도 되는 알킬렌기, 산소 원자 또는 황 원자이며, n' 는 0 ∼ 2 의 정수이고, m' 는 0 또는 1 이다.] - 제 3 항에 있어서,
상기 식 (a1-1) 로 나타내는 구성 단위 이외의 산 분해성기를 가지는 구성 단위는, 하기 식 (a1-2) 로 나타내는 구성 단위인, 레지스트 조성물.
[식 (a1-2) 중, R' 은 수소 원자, 알킬기 또는 할로겐화알킬기를 나타내고; Z' 는 단일 결합 또는 알킬렌기를 나타내고; Cp' 는 하기 식으로 이루어진 군으로부터 선택된다.
상기 Ra'1, Ra'2 는 수소 원자 또는 알킬기를 나타내고, Ra'3 은 알킬기를 나타내고, Ra'3 은 Ra'1, Ra'2 중 어느 것과 결합하여 고리를 형성해도 되고, Ra'4 ∼ Ra'6 은 알킬기이고, Ra'5, Ra'6 은 서로 결합하여 고리를 형성해도 되고, * 는 Z' 와의 결합 위치를 나타낸다.] - 제 1 항 또는 제 2 항에 따른 레지스트 조성물을 사용하여 지지체 상에 레지스트 막을 형성하는 공정, 상기 레지스트 막을 노광하는 공정, 및 상기 노광 후의 레지스트 막을 현상액을 이용하여 현상하는 공정을 포함하는 레지스트 패턴 형성 방법.
- 삭제
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