WO2023003215A1 - 패턴 형성 방법 - Google Patents
패턴 형성 방법 Download PDFInfo
- Publication number
- WO2023003215A1 WO2023003215A1 PCT/KR2022/009599 KR2022009599W WO2023003215A1 WO 2023003215 A1 WO2023003215 A1 WO 2023003215A1 KR 2022009599 W KR2022009599 W KR 2022009599W WO 2023003215 A1 WO2023003215 A1 WO 2023003215A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- acid
- unsubstituted
- substituted
- group
- phosphonic acid
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000000203 mixture Substances 0.000 claims abstract description 52
- 239000000758 substrate Substances 0.000 claims abstract description 44
- 239000011324 bead Substances 0.000 claims abstract description 37
- 150000001875 compounds Chemical class 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 239000002253 acid Substances 0.000 claims abstract description 13
- 239000000654 additive Substances 0.000 claims abstract description 12
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000000996 additive effect Effects 0.000 claims abstract description 10
- 239000003960 organic solvent Substances 0.000 claims abstract description 10
- NEAQRZUHTPSBBM-UHFFFAOYSA-N 2-hydroxy-3,3-dimethyl-7-nitro-4h-isoquinolin-1-one Chemical compound C1=C([N+]([O-])=O)C=C2C(=O)N(O)C(C)(C)CC2=C1 NEAQRZUHTPSBBM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000011161 development Methods 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 6
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims description 19
- QLZHNIAADXEJJP-UHFFFAOYSA-N Phenylphosphonic acid Chemical compound OP(O)(=O)C1=CC=CC=C1 QLZHNIAADXEJJP-UHFFFAOYSA-N 0.000 claims description 9
- 125000003118 aryl group Chemical group 0.000 claims description 9
- HBROZNQEVUILML-UHFFFAOYSA-N salicylhydroxamic acid Chemical compound ONC(=O)C1=CC=CC=C1O HBROZNQEVUILML-UHFFFAOYSA-N 0.000 claims description 8
- QQVDJLLNRSOCEL-UHFFFAOYSA-N (2-aminoethyl)phosphonic acid Chemical compound [NH3+]CCP(O)([O-])=O QQVDJLLNRSOCEL-UHFFFAOYSA-N 0.000 claims description 6
- -1 phosphorous acid compound Chemical class 0.000 claims description 6
- GJWAEWLHSDGBGG-UHFFFAOYSA-N hexylphosphonic acid Chemical compound CCCCCCP(O)(O)=O GJWAEWLHSDGBGG-UHFFFAOYSA-N 0.000 claims description 5
- 150000002736 metal compounds Chemical class 0.000 claims description 5
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims description 4
- RRUDCFGSUDOHDG-UHFFFAOYSA-N acetohydroxamic acid Chemical compound CC(O)=NO RRUDCFGSUDOHDG-UHFFFAOYSA-N 0.000 claims description 4
- 229960001171 acetohydroxamic acid Drugs 0.000 claims description 4
- LGEVIFOJNNPCNI-UHFFFAOYSA-N n-hydroxy-2-nitrobenzamide Chemical compound ONC(=O)C1=CC=CC=C1[N+]([O-])=O LGEVIFOJNNPCNI-UHFFFAOYSA-N 0.000 claims description 4
- ZTWTYVWXUKTLCP-UHFFFAOYSA-N vinylphosphonic acid Chemical compound OP(O)(=O)C=C ZTWTYVWXUKTLCP-UHFFFAOYSA-N 0.000 claims description 4
- BQIYVTCUMQVDEJ-UHFFFAOYSA-N (1-amino-1-phosphonooctyl)phosphonic acid Chemical compound CCCCCCCC(N)(P(O)(O)=O)P(O)(O)=O BQIYVTCUMQVDEJ-UHFFFAOYSA-N 0.000 claims description 3
- GSZQTIFGANBTNF-UHFFFAOYSA-N (3-aminopropyl)phosphonic acid Chemical compound NCCCP(O)(O)=O GSZQTIFGANBTNF-UHFFFAOYSA-N 0.000 claims description 3
- MGRVRXRGTBOSHW-UHFFFAOYSA-N (aminomethyl)phosphonic acid Chemical compound NCP(O)(O)=O MGRVRXRGTBOSHW-UHFFFAOYSA-N 0.000 claims description 3
- VMKPDXOZTSISIW-UHFFFAOYSA-N 2-aminobenzenecarbohydroxamic acid Chemical compound NC1=CC=CC=C1C(=O)NO VMKPDXOZTSISIW-UHFFFAOYSA-N 0.000 claims description 3
- OHCJMDUSHFIIQM-UHFFFAOYSA-N 2-chloro-n-hydroxybenzamide Chemical compound ONC(=O)C1=CC=CC=C1Cl OHCJMDUSHFIIQM-UHFFFAOYSA-N 0.000 claims description 3
- XIGPZJPFILCQSC-UHFFFAOYSA-N 2-fluoro-n-hydroxybenzamide Chemical compound ONC(=O)C1=CC=CC=C1F XIGPZJPFILCQSC-UHFFFAOYSA-N 0.000 claims description 3
- DEXIXSRZQUFPIK-UHFFFAOYSA-N 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctylphosphonic acid Chemical compound OP(O)(=O)CCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F DEXIXSRZQUFPIK-UHFFFAOYSA-N 0.000 claims description 3
- DKGYBSPSUUVQRL-UHFFFAOYSA-N 4-amino-n-hydroxybenzamide Chemical compound NC1=CC=C(C(=O)NO)C=C1 DKGYBSPSUUVQRL-UHFFFAOYSA-N 0.000 claims description 3
- DODOQPRLYSBBHR-UHFFFAOYSA-N 4-chloro-n-hydroxybenzamide Chemical compound ONC(=O)C1=CC=C(Cl)C=C1 DODOQPRLYSBBHR-UHFFFAOYSA-N 0.000 claims description 3
- TXWGRZYCKOMFFZ-UHFFFAOYSA-N 4-fluoro-n-hydroxybenzamide Chemical compound ONC(=O)C1=CC=C(F)C=C1 TXWGRZYCKOMFFZ-UHFFFAOYSA-N 0.000 claims description 3
- JKTORXLUQLQJCM-UHFFFAOYSA-N 4-phosphonobutylphosphonic acid Chemical compound OP(O)(=O)CCCCP(O)(O)=O JKTORXLUQLQJCM-UHFFFAOYSA-N 0.000 claims description 3
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 3
- 229940120146 EDTMP Drugs 0.000 claims description 3
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 claims description 3
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 claims description 3
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 3
- VDEUYMSGMPQMIK-UHFFFAOYSA-N benzhydroxamic acid Chemical compound ONC(=O)C1=CC=CC=C1 VDEUYMSGMPQMIK-UHFFFAOYSA-N 0.000 claims description 3
- BFPBWJGVRNQWEK-UHFFFAOYSA-N bis(4-methoxyphenyl)phosphinic acid Chemical compound C1=CC(OC)=CC=C1P(O)(=O)C1=CC=C(OC)C=C1 BFPBWJGVRNQWEK-UHFFFAOYSA-N 0.000 claims description 3
- INZLXIUOICFWDW-UHFFFAOYSA-N bis(hydroxymethyl)phosphinic acid Chemical compound OCP(O)(=O)CO INZLXIUOICFWDW-UHFFFAOYSA-N 0.000 claims description 3
- UOKRBSXOBUKDGE-UHFFFAOYSA-N butylphosphonic acid Chemical compound CCCCP(O)(O)=O UOKRBSXOBUKDGE-UHFFFAOYSA-N 0.000 claims description 3
- DZQISOJKASMITI-UHFFFAOYSA-N decyl-dioxido-oxo-$l^{5}-phosphane;hydron Chemical compound CCCCCCCCCCP(O)(O)=O DZQISOJKASMITI-UHFFFAOYSA-N 0.000 claims description 3
- BEQVQKJCLJBTKZ-UHFFFAOYSA-N diphenylphosphinic acid Chemical compound C=1C=CC=CC=1P(=O)(O)C1=CC=CC=C1 BEQVQKJCLJBTKZ-UHFFFAOYSA-N 0.000 claims description 3
- NFDRPXJGHKJRLJ-UHFFFAOYSA-N edtmp Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CCN(CP(O)(O)=O)CP(O)(O)=O NFDRPXJGHKJRLJ-UHFFFAOYSA-N 0.000 claims description 3
- GATNOFPXSDHULC-UHFFFAOYSA-N ethylphosphonic acid Chemical compound CCP(O)(O)=O GATNOFPXSDHULC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 3
- MBKDYNNUVRNNRF-UHFFFAOYSA-N medronic acid Chemical compound OP(O)(=O)CP(O)(O)=O MBKDYNNUVRNNRF-UHFFFAOYSA-N 0.000 claims description 3
- RTWNYYOXLSILQN-UHFFFAOYSA-N methanediamine Chemical compound NCN RTWNYYOXLSILQN-UHFFFAOYSA-N 0.000 claims description 3
- YACKEPLHDIMKIO-UHFFFAOYSA-N methylphosphonic acid Chemical compound CP(O)(O)=O YACKEPLHDIMKIO-UHFFFAOYSA-N 0.000 claims description 3
- IUMZQPHTWYZQAO-UHFFFAOYSA-N n-hydroxy-3-nitrobenzamide Chemical compound ONC(=O)C1=CC=CC([N+]([O-])=O)=C1 IUMZQPHTWYZQAO-UHFFFAOYSA-N 0.000 claims description 3
- FTMKAMVLFVRZQX-UHFFFAOYSA-N octadecylphosphonic acid Chemical compound CCCCCCCCCCCCCCCCCCP(O)(O)=O FTMKAMVLFVRZQX-UHFFFAOYSA-N 0.000 claims description 3
- NJGCRMAPOWGWMW-UHFFFAOYSA-N octylphosphonic acid Chemical compound CCCCCCCCP(O)(O)=O NJGCRMAPOWGWMW-UHFFFAOYSA-N 0.000 claims description 3
- MLCHBQKMVKNBOV-UHFFFAOYSA-N phenylphosphinic acid Chemical compound OP(=O)C1=CC=CC=C1 MLCHBQKMVKNBOV-UHFFFAOYSA-N 0.000 claims description 3
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 claims description 3
- BVQJQTMSTANITJ-UHFFFAOYSA-N tetradecylphosphonic acid Chemical compound CCCCCCCCCCCCCCP(O)(O)=O BVQJQTMSTANITJ-UHFFFAOYSA-N 0.000 claims description 3
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical group CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000000576 coating method Methods 0.000 abstract description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 34
- 239000010408 film Substances 0.000 description 15
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 11
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 10
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- WVYWICLMDOOCFB-UHFFFAOYSA-N 4-methyl-2-pentanol Chemical compound CC(C)CC(C)O WVYWICLMDOOCFB-UHFFFAOYSA-N 0.000 description 5
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 5
- 230000007261 regionalization Effects 0.000 description 5
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 4
- 238000010894 electron beam technology Methods 0.000 description 4
- 229940116333 ethyl lactate Drugs 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000004528 spin coating Methods 0.000 description 4
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-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
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 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
- 230000018109 developmental process Effects 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000008096 xylene Substances 0.000 description 3
- RWNUSVWFHDHRCJ-UHFFFAOYSA-N 1-butoxypropan-2-ol Chemical compound CCCCOCC(C)O RWNUSVWFHDHRCJ-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- BGTOWKSIORTVQH-UHFFFAOYSA-N cyclopentanone Chemical compound O=C1CCCC1 BGTOWKSIORTVQH-UHFFFAOYSA-N 0.000 description 2
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 229960004592 isopropanol Drugs 0.000 description 2
- CWKLZLBVOJRSOM-UHFFFAOYSA-N methyl pyruvate Chemical compound COC(=O)C(C)=O CWKLZLBVOJRSOM-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000002902 organometallic compounds Chemical class 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- JOLQKTGDSGKSKJ-UHFFFAOYSA-N 1-ethoxypropan-2-ol Chemical compound CCOCC(C)O JOLQKTGDSGKSKJ-UHFFFAOYSA-N 0.000 description 1
- QMBSJPZHUJCMJU-UHFFFAOYSA-N 2-(2-ethoxyethoxy)propanoic acid Chemical compound CCOCCOC(C)C(O)=O QMBSJPZHUJCMJU-UHFFFAOYSA-N 0.000 description 1
- PQHQBRJAAZQXHL-GQCOAOBCSA-N 2-(4-iodanyl-2,5-dimethoxyphenyl)ethanamine Chemical compound COC1=CC(CCN)=C(OC)C=C1[125I] PQHQBRJAAZQXHL-GQCOAOBCSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- NGEWQZIDQIYUNV-UHFFFAOYSA-M 2-hydroxy-3-methylbutyrate Chemical compound CC(C)C(O)C([O-])=O NGEWQZIDQIYUNV-UHFFFAOYSA-M 0.000 description 1
- HXDLWJWIAHWIKI-UHFFFAOYSA-N 2-hydroxyethyl acetate Chemical compound CC(=O)OCCO HXDLWJWIAHWIKI-UHFFFAOYSA-N 0.000 description 1
- SFAMKDPMPDEXGH-UHFFFAOYSA-N 2-hydroxyethyl propanoate Chemical compound CCC(=O)OCCO SFAMKDPMPDEXGH-UHFFFAOYSA-N 0.000 description 1
- QBPRLLDEHWSITF-UHFFFAOYSA-N 2-methoxyethyl propaneperoxoate Chemical compound COCCOOC(CC)=O QBPRLLDEHWSITF-UHFFFAOYSA-N 0.000 description 1
- VZJCLNWCJGKJOI-UHFFFAOYSA-N 4-ethoxybutanoic acid Chemical compound CCOCCCC(O)=O VZJCLNWCJGKJOI-UHFFFAOYSA-N 0.000 description 1
- IOXPMKQXROCYFL-UHFFFAOYSA-N 4-hydroxy-2-methylpentanoic acid Chemical compound CC(O)CC(C)C(O)=O IOXPMKQXROCYFL-UHFFFAOYSA-N 0.000 description 1
- VRRCYIFZBSJBAT-UHFFFAOYSA-N 4-methoxybutanoic acid Chemical compound COCCCC(O)=O VRRCYIFZBSJBAT-UHFFFAOYSA-N 0.000 description 1
- PFVOFZIGWQSALT-UHFFFAOYSA-N 5-ethoxypentanoic acid Chemical compound CCOCCCCC(O)=O PFVOFZIGWQSALT-UHFFFAOYSA-N 0.000 description 1
- FECCQKBXUJUGSF-UHFFFAOYSA-N 5-methoxypentanoic acid Chemical compound COCCCCC(O)=O FECCQKBXUJUGSF-UHFFFAOYSA-N 0.000 description 1
- NVQCNUFHCNCGKU-UHFFFAOYSA-N 6-hydroxyhexylphosphonic acid Chemical compound OCCCCCCP(O)(O)=O NVQCNUFHCNCGKU-UHFFFAOYSA-N 0.000 description 1
- MRABAEUHTLLEML-UHFFFAOYSA-N Butyl lactate Chemical compound CCCCOC(=O)C(C)O MRABAEUHTLLEML-UHFFFAOYSA-N 0.000 description 1
- SLWITNPOEMCJQO-UHFFFAOYSA-N COC(C(C)(C)O)=O.C1(CCCCC1)=O Chemical compound COC(C(C)(C)O)=O.C1(CCCCC1)=O SLWITNPOEMCJQO-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- AQZGPSLYZOOYQP-UHFFFAOYSA-N Diisoamyl ether Chemical compound CC(C)CCOCCC(C)C AQZGPSLYZOOYQP-UHFFFAOYSA-N 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- YZGQDNOIGFBYKF-UHFFFAOYSA-N Ethoxyacetic acid Natural products CCOCC(O)=O YZGQDNOIGFBYKF-UHFFFAOYSA-N 0.000 description 1
- XXRCUYVCPSWGCC-UHFFFAOYSA-N Ethyl pyruvate Chemical compound CCOC(=O)C(C)=O XXRCUYVCPSWGCC-UHFFFAOYSA-N 0.000 description 1
- XOBKSJJDNFUZPF-UHFFFAOYSA-N Methoxyethane Chemical compound CCOC XOBKSJJDNFUZPF-UHFFFAOYSA-N 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- XYVQFUJDGOBPQI-UHFFFAOYSA-N Methyl-2-hydoxyisobutyric acid Chemical compound COC(=O)C(C)(C)O XYVQFUJDGOBPQI-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- KXADPELPQCWDHL-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1.COC1=CC=CC=C1 KXADPELPQCWDHL-UHFFFAOYSA-N 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- MZNDIOURMFYZLE-UHFFFAOYSA-N butan-1-ol Chemical compound CCCCO.CCCCO MZNDIOURMFYZLE-UHFFFAOYSA-N 0.000 description 1
- 239000001191 butyl (2R)-2-hydroxypropanoate Substances 0.000 description 1
- 229940043232 butyl acetate Drugs 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229930188620 butyrolactone Natural products 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- BHXIWUJLHYHGSJ-UHFFFAOYSA-N ethyl 3-ethoxypropanoate Chemical compound CCOCCC(=O)OCC BHXIWUJLHYHGSJ-UHFFFAOYSA-N 0.000 description 1
- 229940093499 ethyl acetate Drugs 0.000 description 1
- 229940117360 ethyl pyruvate Drugs 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229940035429 isobutyl alcohol Drugs 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- BDJSOPWXYLFTNW-UHFFFAOYSA-N methyl 3-methoxypropanoate Chemical compound COCCC(=O)OC BDJSOPWXYLFTNW-UHFFFAOYSA-N 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- PJGSXYOJTGTZAV-UHFFFAOYSA-N pinacolone Chemical compound CC(=O)C(C)(C)C PJGSXYOJTGTZAV-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 150000003613 toluenes Chemical class 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D11/00—Special methods for preparing compositions containing mixtures of detergents
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/36—Organic compounds containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/50—Solvents
-
- 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
- G03F7/16—Coating processes; Apparatus therefor
-
- 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
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/40—Treatment after imagewise removal, e.g. baking
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
Definitions
- the present disclosure relates to a method of forming a pattern comprising applying an edge bead removal composition to reduce metal contamination along a wafer edge.
- a process of stripping and removing the photoresist applied to the edge and back surface of the silicon substrate using a thinner composition that is, an EBR (EDGE BEAD REMOVAL) process is performed.
- the EBR process requires a composition that exhibits excellent solubility in photoresist and does not generate resist residue by effectively removing beads and photoresist remaining on the substrate.
- One embodiment provides a pattern formation method, in particular, a pattern formation method including applying a composition for removing edge beads.
- a pattern forming method includes applying a metal-containing resist composition on a substrate; applying a composition for removing edge beads along the edge of the substrate; a heat treatment step of drying and heating to form a metal-containing resist film on the substrate; and exposing and developing to form a resist pattern;
- the edge bead removal composition may include at least one additive selected from a phosphorous acid-based compound, a hypophosphorous acid-based compound, a sulfurous acid-based compound, and a hydroxamic acid-based compound, and an organic solvent.
- composition for removing edge beads may include 0.01 to 50% by weight of the additive and 50 to 99.99% by weight of the organic solvent.
- a step of applying a composition for removing edge beads may be further included.
- the phosphorous acid compound is phosphonic acid, methyl phosphonic acid, ethyl phosphonic acid, butyl phosphonic acid, hexyl phosphonic acid, n-octyl phosphonic acid, tetradecyl phosphonic acid, octadecyl phosphonic acid, phenyl phosphonic acid, vinyl phosphonic acid, aminomethyl Phosphonic acid, methylenediamine tetra methylene phosphonic acid, ethylenediamine tetra methylene phosphonic acid, 1-amino 1-phosphonooctyl phosphonic acid, etidronic acid, 2-aminoethyl phosphonic acid, 3-aminopropyl phosphonic acid, 6-hydroxy It may be at least one of hexyl phosphonic acid, decyl phosphonic acid, methylene diphosphonic acid, nitrilotrimethylene triphosphonic acid, 1H, 1H, 2H, 2H-
- the hypophosphorous acid-based compound is phosphinic acid, phenylphosphinic acid, diphenylphosphinic acid, bis (4-methoxyphenyl) phosphinic acid, bis (hydroxymethyl) phosphinic acid, p- (3-aminopropyl) It may be at least one of -p-butylphosphinic acid or a combination thereof.
- the hydroxamic acid compound includes formohydroxamic acid, acetohydroxamic acid, benzohydroxamic acid, salicylhydroxamic acid, 2-aminobenzohydroxamic acid, 2-chlorobenzohydroxamic acid, 2-fluorobenzo Hydroxamic acid, 2-nitrobenzohydroxamic acid, 3-nitrobenzohydroxamic acid, 4-aminobenzohydroxamic acid, 4-chlorobenzohydroxamic acid, 4-fluorobenzohydroxamic acid, 4-nitrobenzohyd It may be at least one kind of loxamic acid or a combination thereof.
- the moisture content of the composition for removing edge beads may be 1,000 ppm or less.
- the metal-containing resist composition may include a metal compound including at least one of an alkyl tin oxo group and an alkyl tin carboxyl group.
- a metal compound included in the metal-containing resist may be represented by Chemical Formula 1 below.
- R 1 is a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C2 to C20 alkenyl group, a substituted or unsubstituted C2 to C20 alkynyl group, or a substituted or unsubstituted C2 to C20 alkynyl group a C6 to C30 aryl group, a substituted or unsubstituted C6 or C30 arylalkyl group, and -R a -OR b (where R a is a substituted or unsubstituted C1 to C20 alkylene group, and R b is a substituted or unsubstituted It is selected from C1 to C20 alkyl groups),
- R c is a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C2 to C20 alkenyl group, a substituted or unsubstituted C2 to C20 alkynyl group, substituted or unsubstituted A C6 to C30 aryl group, or a combination thereof,
- R d is hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C2 to C20 alkenyl group, a substituted or unsubstituted C2 to C20 alkynyl group, a substituted or unsubstituted C2 to C20 alkynyl group, An unsubstituted C6 to C30 aryl group, or a combination thereof.
- the pattern formation method can reduce metal-based contamination inherent in metal-containing resists to meet the needs of processing and patterning of smaller features by removing the resist applied to the edge and back surface of the substrate. .
- FIG. 1 is a schematic diagram showing a photoresist coating device.
- substrate support 2 spray nozzle
- the thickness is shown enlarged to clearly express the various layers and regions. Also, in the drawings, the thicknesses of some layers and regions are exaggerated for convenience of description.
- a part such as a layer, film, region, plate, etc. is said to be “on” or “on” another part, this includes not only the case where it is “directly on” the other part, but also the case where there is another part in between.
- FIG. 1 is a schematic diagram showing a photoresist coating device.
- a substrate support 1 on which a substrate W is placed is provided, and the substrate support 1 includes a spin chuck or a spin coater.
- the substrate support 1 rotates in a first direction at a predetermined rotational speed and provides centrifugal force to the substrate W.
- a spray nozzle 2 is positioned on the substrate support 1, and the spray nozzle 2 is located in a waiting area away from the top of the substrate W, and moves to the top of the substrate in the step of supplying the photoresist solution 10. ) can be injected. Accordingly, the photoresist solution 10 is applied to the surface of the substrate by the centrifugal force. At this time, the photoresist solution 10 supplied to the center of the substrate (W) is applied while spreading to the edge of the substrate (W) by centrifugal force, and a part of it is moved to the side surface of the substrate and the lower edge of the substrate. do.
- the photoresist solution 10 is mainly applied by a spin coating method.
- a predetermined amount of the viscous photoresist solution 10 is supplied to the central portion of the substrate W and gradually spread toward the edge of the substrate by centrifugal force. I'm going.
- the thickness of the photoresist is formed evenly by the rotational speed of the substrate support.
- edge bead (12).
- a pattern formation method includes applying a metal-containing resist composition on a substrate, applying a composition for removing edge beads along an edge of the substrate, drying and heating to form a metal-containing resist film on the substrate It includes a heat treatment step, and a step of forming a resist pattern by exposing and developing.
- the step of forming a pattern using a metal-containing resist composition includes a process of applying the metal-containing resist composition on a substrate on which a thin film is formed by spin coating, slit coating, inkjet printing, or the like, and the applied metal-containing resist composition.
- a process of forming a photoresist film by drying may be included.
- the metal-containing resist composition may include a tin-based compound, and for example, the tin-based compound may include at least one of an alkyl tin oxo group and an alkyl tin carboxyl group.
- the metal compound included in the metal-containing resist may be represented by Chemical Formula 1 below.
- R 1 is a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C2 to C20 alkenyl group, a substituted or unsubstituted C2 to C20 alkynyl group, or a substituted or unsubstituted C2 to C20 alkynyl group a C6 to C30 aryl group, a substituted or unsubstituted C6 or C30 arylalkyl group, and -R a -OR b (where R a is a substituted or unsubstituted C1 to C20 alkylene group, and R b is a substituted or unsubstituted It is selected from C1 to C20 alkyl groups),
- R c is a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C2 to C20 alkenyl group, a substituted or unsubstituted C2 to C20 alkynyl group, substituted or unsubstituted A C6 to C30 aryl group, or a combination thereof,
- R d is hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C2 to C20 alkenyl group, a substituted or unsubstituted C2 to C20 alkynyl group, a substituted or unsubstituted C2 to C20 alkynyl group, An unsubstituted C6 to C30 aryl group, or a combination thereof.
- the edge bead removal composition may include at least one additive selected from a phosphorous acid-based compound, a hypophosphorous acid-based compound, a sulfurous acid-based compound, and a hydroxamic acid-based compound, and an organic solvent.
- composition for removing edge beads may include 0.01 to 50% by weight of the additive and 50 to 99.99% by weight of the organic solvent.
- the composition for removing the edge bead may include 0.1 to 40% by weight, specifically 0.5 to 30% by weight, and more specifically 1 to 20% by weight of the additive.
- propylene glycol methyl ether PGME
- propylene glycol methyl ether acetate PGMEA
- propylene glycol butyl ether PGBE
- the edge bead removal composition according to the present invention may be particularly effective for removing metal-containing resists, and more specifically, undesirable metal residues, such as tin-based metal residues.
- the phosphorous acid compound is phosphonic acid, methyl phosphonic acid, ethyl phosphonic acid, butyl phosphonic acid, hexyl phosphonic acid, n-octyl phosphonic acid, tetradecyl phosphonic acid, octadecyl phosphonic acid, phenyl phosphonic acid, vinyl phosphonic acid , aminomethyl phosphonic acid, methylenediamine tetra methylene phosphonic acid, ethylenediamine tetra methylene phosphonic acid, 1-amino 1-phosphonooctyl phosphonic acid, etidronic acid, 2-aminoethyl phosphonic acid, 3-aminopropyl phosphonic acid, 6 - It may be at least one of hydroxyhexyl phosphonic acid, decyl phosphonic acid, methylene diphosphonic acid, nitrilotrimethylene triphosphonic acid, 1H, 1H, 2H
- hypophosphorous acid-based compound is phosphinic acid, phenylphosphinic acid, diphenylphosphinic acid, bis(4-methoxyphenyl)phosphinic acid, bis(hydroxymethyl)phosphinic acid, p-(3- It may be at least one of aminopropyl)-p-butylphosphinic acid or a combination thereof.
- the hydroxamic acid-based compound is formohydroxamic acid, acetohydroxamic acid, benzohydroxamic acid, salicylhydroxamic acid, 2-aminobenzohydroxamic acid, 2-chlorobenzohydroxamic acid, 2- Fluorobenzohydroxamic acid, 2-nitrobenzohydroxamic acid, 3-nitrobenzohydroxamic acid, 4-aminobenzohydroxamic acid, 4-chlorobenzohydroxamic acid, 4-fluorobenzohydroxamic acid, 4- It may be at least one type of nitrobenzohydroxamic acid or a combination thereof.
- the composition for removing edge beads includes at least one additive selected from a hypophosphorous acid-based compound, a sulfurous acid-based compound, and a hydroxamic acid-based compound
- the moisture content in the composition may be 1,000 ppm or less.
- the moisture content exceeds 1,000 ppm, which may cause film quality deformation due to hydration at the photoresist contact portion.
- the step of applying the composition for removing the edge bead may include applying an appropriate amount of the composition for removing the edge bead along the edge of the substrate while spinning the substrate at an appropriate speed (eg, 500 rpm or more) can
- a first heat treatment process of heating the substrate on which the photoresist film is formed is performed.
- the first heat treatment process may be performed at a temperature of about 80° C. to about 120° C. In this process, the solvent is evaporated and the photoresist film may be more firmly adhered to the substrate.
- the photoresist film is selectively exposed to light.
- examples of the light usable in the exposure process include light having a short wavelength such as i-line (wavelength 365 nm), KrF excimer laser (wavelength 248 nm), and ArF excimer laser (wavelength 193 nm) as well as EUV (wavelength 193 nm).
- Extreme UltraViolet wavelength 13.5 nm
- light having a high energy wavelength such as E-Beam (electron beam), etc.
- light for exposure may be short-wavelength light having a wavelength range of 5 nm to 150 nm, and light having a high-energy wavelength such as EUV (Extreme Ultraviolet; wavelength 13.5 nm) or E-Beam (electron beam).
- EUV Extreme Ultraviolet; wavelength 13.5 nm
- E-Beam electron beam
- a negative pattern may be formed.
- the exposed region of the photoresist film has a different solubility from the unexposed region of the photoresist film as a polymer is formed by a crosslinking reaction such as condensation between organometallic compounds.
- the second heat treatment process may be performed at a temperature of about 90 °C to about 200 °C. As a result of performing the second heat treatment process, the exposed region of the photoresist film becomes difficult to dissolve in a developing solution.
- the photoresist pattern corresponding to the negative tone image may be completed by dissolving the photoresist film corresponding to the unexposed area using an organic solvent such as 2-heptanone and then removing the film. .
- the developer used in the pattern formation method may be an organic solvent, for example, ketones such as methyl ethyl ketone, acetone, cyclohexanone, 2-heptanone, 4-methyl-2-propanol, 1 Alcohols such as butanol, isopropanol, 1-propanol and methanol, esters such as propylene glycol methyl ether acetate, ethyl acetate, ethyl lactate, n-butyl acetate and butyrolactone, aromatics such as benzene, xylene and toluene compounds, or combinations thereof.
- ketones such as methyl ethyl ketone, acetone, cyclohexanone, 2-heptanone, 4-methyl-2-propanol
- 1 Alcohols such as butanol, isopropanol, 1-propanol and methanol
- esters such as propylene glycol methyl ether acetate, eth
- the pattern forming method may further include applying a composition for removing edge beads after the exposure and development processes. 500 rpm or more) and applying an appropriate amount of the composition for removing edge beads along the edge of the substrate while spinning.
- the photoresist pattern formed by exposure to light having high energy such as an E-Beam (electron beam) may have a width of 5 nm to 100 nm.
- the photoresist pattern is 5 nm to 90 nm, 5 nm to 80 nm, 5 nm to 70 nm, 5 nm to 60 nm, 5 nm to 50 nm, 5 nm to 40 nm, 5 nm to 30 nm , may be formed with a width of 5 nm to 20 nm thickness.
- the photoresist pattern has a half-pitch of about 50 nm or less, for example 40 nm or less, for example 30 nm or less, for example 20 nm or less, for example 15 nm or less, and about It may have a pitch having a line width roughness of 10 nm or less, about 5 nm or less, about 3 nm or less, or about 2 nm or less.
- the photoresist composition was filtered through a 0.1 ⁇ m PTFE syringe filter. manufactured.
- the edge bead removal compositions according to Examples 1 to 5 have excellent metal removal effects compared to the edge bead removal compositions according to Comparative Examples 1 to 3, thereby further promoting the reduction of residual metal. can confirm that there is
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Abstract
Description
에지 비드 제거용 조성물 | 잔류 Sn 함량 (x1010 atoms/cm2) |
||
첨가제(중량%) | 용매 (중량%) [혼합비 (w/w)] |
||
실시예 1 | 페닐 포스폰산 (10) | MIBC(90) | 31 |
실시예 2 | 포스폰산(10) | PGMEA(90) | 33 |
실시예 3 | 비닐 포스폰산(10) | PGMEA(90) | 26 |
실시예 4 | 아세토하이드록삼산(1) | PGMEA/PGME(99) [7:3] | 45 |
실시예 5 | 살리실하이드록삼산(1) | PGMEA(99) | 48 |
비교예 1 | 글리콜산(10) | PGMEA/PGME(90)[5:5] | 350 |
비교예 2 | 글리콜산(10) | PGMEA(90) | 220 |
비교예 3 | 인산(10) | PGMEA(90) | 290 |
Claims (9)
- 기판 상에 금속 함유 레지스트 조성물을 도포하는 단계;상기 기판의 에지를 따라 에지 비드 제거용 조성물을 도포하는 단계;건조 및 가열하여 상기 기판 상에 금속 함유 레지스트막을 형성시키는 열처리 단계; 및노광 및 현상하여 레지스트 패턴을 형성하는 단계를 포함하고,상기 에지 비드 제거용 조성물은 아인산계 화합물, 차아인산계 화합물, 아황산계 화합물 및 하이드록삼산계 화합물 중 적어도 1종의 첨가제, 그리고 유기 용매를 포함하는 패턴 형성 방법.
- 제1항에서,상기 에지 비드 제거용 조성물은 상기 첨가제를 0.01 내지 50 중량%로 포함하고, 상기 유기 용매를 50 내지 99.99 중량%로 포함하는 패턴 형성 방법.
- 제1항에서,상기 노광 및 현상 공정 이후, 에지 비드 제거용 조성물을 도포하는 단계를 더 포함하는, 패턴 형성 방법.
- 제1항에서,상기 아인산계 화합물은 포스폰산, 메틸 포스폰산, 에틸 포스폰산, 뷰틸 포스폰산, 헥실 포스폰산, n-옥틸 포스폰산, 테트라데실 포스폰산, 옥타데실 포스폰산, 페닐 포스폰산, 비닐 포스폰산, 아미노메틸 포스폰산, 메틸렌디아민 테트라 메틸렌 포스폰산, 에틸렌디아민 테트라 메틸렌 포스폰산, 1-아미노 1-포스포노옥틸 포스폰산, 에티드론산, 2-아미노에틸 포스폰산, 3-아미노프로필 포스폰산, 6-하이드록시헥실 포스폰산, 데실 포스폰산, 메틸렌 다이 포스폰산, 니트릴로트리메틸렌 트리포스폰산, 1H, 1H, 2H, 2H-퍼플루오로옥탄포스폰산 또는 이들의 조합 중 적어도 1종인, 패턴 형성 방법.
- 제1항에서,상기 차아인산계 화합물은 다이페닐포스피닉산, 비스(4-메톡시페닐) 포시피닉산, 포스핀산, 비스(하이드록시메틸)포스피닉산, 페닐포스피닉산, p-(3-아미노프로필)-p-부틸포스피닉산 또는 이들의 조합 중 적어도 1종인, 패턴 형성 방법.
- 제1항에서,상기 하이드록삼산계 화합물은 포르모하이드록삼산, 아세토하이드록삼산, 벤조하이드록삼산, 살리실하이드록삼산, 2-아미노벤조하이드록삼산, 2-클로로벤조하이드록삼산, 2-플루오로벤조하이드록삼산, 2-니트로벤조하이드록삼산, 3-니트로벤조하이드록삼산, 4-아미노벤조하이드록삼산, 4-클로로벤조하이드록삼산, 4-플루오로벤조하이드록삼산, 4-니트로벤조하이드록삼산 또는 이들의 조합 중 적어도 1종인, 패턴 형성 방법.
- 제1항에서,상기 에지 비드 제거용 조성물의 수분 함량은 1,000 ppm 이하인, 패턴 형성 방법.
- 제1항에서,상기 금속 함유 레지스트 조성물은 알킬 주석 옥소기 및 알킬 주석 카르복실기 중 적어도 하나를 포함하는 금속 화합물을 포함하는, 패턴 형성 방법.
- 제8항에서,상기 금속 화합물은 하기 화학식 1로 표시되는, 패턴 형성 방법:[화학식 1]상기 화학식 1에서,R1은 치환 또는 비치환된 C1 내지 C20 알킬기, 치환 또는 비치환된 C3 내지 C20 사이클로알킬기, 치환 또는 비치환된 C2 내지 C20 알케닐기, 치환 또는 비치환된 C2 내지 C20 알키닐기, 치환 또는 비치환된 C6 내지 C30 아릴기, 치환 또는 비치환된 C6 또는 C30 아릴알킬기, 및 -Ra-O-Rb (여기서 Ra는 치환 또는 비치환된 C1 내지 C20 알킬렌기이고, Rb는 치환 또는 비치환된 C1 내지 C20 알킬기임) 중에서 선택되고,R2 내지 R4는 각각 독립적으로 -ORc 또는 -OC(=O)Rd 중에서 선택되고,Rc는 치환 또는 비치환된 C1 내지 C20 알킬기, 치환 또는 비치환된 C3 내지 C20 사이클로알킬기, 치환 또는 비치환된 C2 내지 C20 알케닐기, 치환 또는 비치환된 C2 내지 C20 알키닐기, 치환 또는 비치환된 C6 내지 C30 아릴기, 또는 이들의 조합이고,Rd는 수소, 치환 또는 비치환된 C1 내지 C20 알킬기, 치환 또는 비치환된 C3 내지 C20 사이클로알킬기, 치환 또는 비치환된 C2 내지 C20 알케닐기, 치환 또는 비치환된 C2 내지 C20 알키닐기, 치환 또는 비치환된 C6 내지 C30 아릴기, 또는 이들의 조합이다.
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KR20040037643A (ko) * | 2002-10-29 | 2004-05-07 | 동우 화인켐 주식회사 | 후-스트립 세정제 조성물 및 그를 이용한 포토레지스트스트립 공정 후의 반도체 소자 또는 액정표시소자의 세정방법 |
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