KR102296739B1 - 포토마스크용 세정 조성물을 이용한 집적회로 소자 제조 방법 - Google Patents
포토마스크용 세정 조성물을 이용한 집적회로 소자 제조 방법 Download PDFInfo
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- KR102296739B1 KR102296739B1 KR1020140146434A KR20140146434A KR102296739B1 KR 102296739 B1 KR102296739 B1 KR 102296739B1 KR 1020140146434 A KR1020140146434 A KR 1020140146434A KR 20140146434 A KR20140146434 A KR 20140146434A KR 102296739 B1 KR102296739 B1 KR 102296739B1
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- photomask
- cleaning composition
- integrated circuit
- circuit device
- cleaning
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- 238000004140 cleaning Methods 0.000 title claims abstract description 177
- 239000000203 mixture Substances 0.000 title claims abstract description 175
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000008367 deionised water Substances 0.000 claims abstract description 33
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 33
- 150000007524 organic acids Chemical class 0.000 claims abstract description 27
- 239000007800 oxidant agent Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims description 74
- 229910052751 metal Inorganic materials 0.000 claims description 50
- 239000002184 metal Substances 0.000 claims description 50
- 229920002120 photoresistant polymer Polymers 0.000 claims description 43
- 230000031700 light absorption Effects 0.000 claims description 34
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 22
- -1 alkyl peroxide Chemical class 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 15
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 13
- 125000006736 (C6-C20) aryl group Chemical group 0.000 claims description 12
- 238000005530 etching Methods 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 7
- GDDNTTHUKVNJRA-UHFFFAOYSA-N 3-bromo-3,3-difluoroprop-1-ene Chemical compound FC(F)(Br)C=C GDDNTTHUKVNJRA-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 claims description 6
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 6
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical group O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
- 239000004155 Chlorine dioxide Substances 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 230000008569 process Effects 0.000 description 54
- 230000000052 comparative effect Effects 0.000 description 41
- 238000011156 evaluation Methods 0.000 description 31
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 23
- 229910052799 carbon Inorganic materials 0.000 description 22
- 239000000463 material Substances 0.000 description 21
- 238000007598 dipping method Methods 0.000 description 15
- 239000000356 contaminant Substances 0.000 description 14
- 229940098779 methanesulfonic acid Drugs 0.000 description 13
- 150000001412 amines Chemical class 0.000 description 12
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 9
- 230000000737 periodic effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000013256 coordination polymer Substances 0.000 description 6
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 6
- KAESVJOAVNADME-UHFFFAOYSA-N 1H-pyrrole Natural products C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- YFSUTJLHUFNCNZ-UHFFFAOYSA-M 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctane-1-sulfonate Chemical compound [O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F YFSUTJLHUFNCNZ-UHFFFAOYSA-M 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 229910004535 TaBN Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001900 extreme ultraviolet lithography Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000001459 lithography Methods 0.000 description 4
- 150000004767 nitrides Chemical class 0.000 description 4
- XOAAWQZATWQOTB-UHFFFAOYSA-N taurine Chemical compound NCCS(O)(=O)=O XOAAWQZATWQOTB-UHFFFAOYSA-N 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 150000007522 mineralic acids Chemical class 0.000 description 3
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- 229920000557 Nafion® Polymers 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 2
- RNVYQYLELCKWAN-UHFFFAOYSA-N solketal Chemical compound CC1(C)OCC(CO)O1 RNVYQYLELCKWAN-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229960003080 taurine Drugs 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- 229910019895 RuSi Inorganic materials 0.000 description 1
- 229910004162 TaHf Inorganic materials 0.000 description 1
- 229910003071 TaON Inorganic materials 0.000 description 1
- 229910004200 TaSiN Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000005354 aluminosilicate glass Substances 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 239000011538 cleaning material Substances 0.000 description 1
- 238000004883 computer application Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000000609 electron-beam lithography Methods 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 229940031098 ethanolamine Drugs 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- XEMZLVDIUVCKGL-UHFFFAOYSA-N hydrogen peroxide;sulfuric acid Chemical compound OO.OS(O)(=O)=O XEMZLVDIUVCKGL-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- NIFHFRBCEUSGEE-UHFFFAOYSA-N oxalic acid Chemical compound OC(=O)C(O)=O.OC(=O)C(O)=O NIFHFRBCEUSGEE-UHFFFAOYSA-N 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- WUHLVXDDBHWHLQ-UHFFFAOYSA-N pentazole Chemical compound N=1N=NNN=1 WUHLVXDDBHWHLQ-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 150000003536 tetrazoles Chemical class 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910000500 β-quartz Inorganic materials 0.000 description 1
Images
Classifications
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- 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
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
- H01L21/0273—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers characterised by the treatment of photoresist layers
- H01L21/0274—Photolithographic processes
-
- 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
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/68—Preparation processes not covered by groups G03F1/20 - G03F1/50
- G03F1/82—Auxiliary processes, e.g. cleaning or inspecting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
-
- 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
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/22—Electronic devices, e.g. PCBs or semiconductors
-
- 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
- C11D7/26—Organic compounds containing oxygen
-
- 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
- C11D7/34—Organic compounds containing sulfur
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Chemical & Material Sciences (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Detergent Compositions (AREA)
Abstract
Description
도 2는 본 발명의 기술적 사상에 의한 실시예들에 따른 집적회로 소자의 제조 방법을 설명하기 위한 플로차트이다.
도 3a 내지 도 3f는 도 2에 예시한 공정들에 따라 집적회로 소자를 제조하는 방법을 설명하기 위하여 공정 순서에 따라 도시한 예시적인 단면도들이다.
도 4는 본 발명의 기술적 사상에 의한 다른 실시예들에 따른 집적회로 소자의 제조 방법을 설명하기 위한 플로차트이다.
도 5a 및 도 5b는 도 4에 예시한 공정들에 따라 집적회로 소자를 제조하는 방법을 설명하기 위하여 공정 순서에 따라 도시한 예시적인 단면도들이다.
도 6a 내지 도 6c는 실시예 2 및 비교예 1에 따른 세정 조성물들에 대하여 금속함유 물질층의 보호 능력을 평가한 결과를 나타내는 그래프이다.
도 7은 실시예 2, 비교예 1, 및 비교예 9에 따른 세정 조성물들에 대하여 탄소함유 잔류물 제거력을 평가한 결과를 나타내는 표이다.
도 8a는 실시예 2, 비교예 1, 및 비교예 9에 따른 세정 조성물들에 대하여 금속함유 물질층의 보호 능력을 평가한 결과를 나타내는 그래프이다.
도 8b는 도 8a의 평가에 이용된 반사형 포토마스크의 구조를 보여주는 단면도이다.
도 9는 본 발명의 기술적 사상에 의한 실시예들에 따른 집적회로 소자의 제조 방법에 의해 제조된 집적회로 소자를 포함하는 메모리 카드의 블록 다이어그램이다.
도 10은 본 발명의 기술적 사상에 의한 실시예들에 따른 집적회로 소자의 제조 방법에 의해 제조된 집적회로 소자를 포함하는 메모리 시스템의 블록 다이어그램이다.
Claims (10)
- 제1항에 있어서,
상기 세정 조성물 내에서, 상기 세정 조성물의 총량을 기준으로 상기 유기산은 75 ∼ 99 중량%, 상기 산화제는 0.1 ∼ 10 중량%, 상기 DIW는 0.1 ∼ 20 중량%의 양으로 포함되어 있는 것을 특징으로 하는 집적회로 소자 제조 방법. - 삭제
- 삭제
- 제1항에 있어서,
상기 산화제는 이산화 염소 (chlorine dioxide), 인산 (phosphoric acid), 질산 (nitric acid), 염산 (hydrochloric acid), 과산화수소 (hydrogen peroxide), 알킬 페록사이드 (alkyl peroxide), 아릴 페록사이드 (aryl peroxide), 과황산 암모늄 (ammonium persulfate: APS), 과염소산 암모늄 (ammonium perchlorate: APC), 또는 이들의 조합으로 이루어지는 것을 특징으로 하는 집적회로 소자 제조 방법. - 제1항에 있어서,
상기 포토마스크를 습식 처리하는 단계 전에,
기판과, 상기 기판 위에 형성된 다중 반사막과, 상기 다중 반사막 위에 형성되고 금속을 포함하는 캡핑층 (capping layer)과, 상기 캡핑층 위에 형성되고 금속을 포함하는 광흡수층을 가지는 포토마스크 블랭크를 준비하는 단계와,
상기 광흡수층 위에 포토레지스트 패턴을 형성하는 단계와,
상기 포토레지스트 패턴을 식각 마스크로 이용하여 상기 광흡수층의 일부를 식각하여 광흡수층 패턴을 포함하는 포토마스크를 형성하는 단계를 더 포함하고,
상기 포토마스크를 습식 처리하는 단계는 상기 세정 조성물을 이용하여 상기 포토레지스트 패턴을 스트립(strip)하는 단계를 포함하는 것을 특징으로 하는 집적회로 소자 제조 방법. - 삭제
- 삭제
Priority Applications (2)
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