KR102703674B1 - 반도체 포토레지스트용 조성물 및 이를 이용한 패턴 형성 방법 - Google Patents
반도체 포토레지스트용 조성물 및 이를 이용한 패턴 형성 방법 Download PDFInfo
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- KR102703674B1 KR102703674B1 KR1020220096208A KR20220096208A KR102703674B1 KR 102703674 B1 KR102703674 B1 KR 102703674B1 KR 1020220096208 A KR1020220096208 A KR 1020220096208A KR 20220096208 A KR20220096208 A KR 20220096208A KR 102703674 B1 KR102703674 B1 KR 102703674B1
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- 238000000609 electron-beam lithography Methods 0.000 description 1
- 238000000572 ellipsometry Methods 0.000 description 1
- 239000003759 ester based solvent Substances 0.000 description 1
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 1
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- WOXXJEVNDJOOLV-UHFFFAOYSA-N ethenyl-tris(2-methoxyethoxy)silane Chemical compound COCCO[Si](OCCOC)(OCCOC)C=C WOXXJEVNDJOOLV-UHFFFAOYSA-N 0.000 description 1
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- 150000002170 ethers Chemical class 0.000 description 1
- LBAQSKZHMLAFHH-UHFFFAOYSA-N ethoxyethane;hydron;chloride Chemical compound Cl.CCOCC LBAQSKZHMLAFHH-UHFFFAOYSA-N 0.000 description 1
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 125000001188 haloalkyl group Chemical group 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- KBJFYLLAMSZSOG-UHFFFAOYSA-N n-(3-trimethoxysilylpropyl)aniline Chemical compound CO[Si](OC)(OC)CCCNC1=CC=CC=C1 KBJFYLLAMSZSOG-UHFFFAOYSA-N 0.000 description 1
- DYFFAVRFJWYYQO-UHFFFAOYSA-N n-methyl-n-phenylaniline Chemical compound C=1C=CC=CC=1N(C)C1=CC=CC=C1 DYFFAVRFJWYYQO-UHFFFAOYSA-N 0.000 description 1
- NTNWKDHZTDQSST-UHFFFAOYSA-N naphthalene-1,2-diamine Chemical compound C1=CC=CC2=C(N)C(N)=CC=C21 NTNWKDHZTDQSST-UHFFFAOYSA-N 0.000 description 1
- ASQZVMZPZFWONG-UHFFFAOYSA-N naphthalene-1,4-disulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=C(S(O)(=O)=O)C2=C1 ASQZVMZPZFWONG-UHFFFAOYSA-N 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000007903 penetration ability Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 238000012643 polycondensation polymerization Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000008080 stochastic effect Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 1
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 description 1
- 238000000427 thin-film deposition Methods 0.000 description 1
- 150000003585 thioureas Chemical class 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- GQIUQDDJKHLHTB-UHFFFAOYSA-N trichloro(ethenyl)silane Chemical compound Cl[Si](Cl)(Cl)C=C GQIUQDDJKHLHTB-UHFFFAOYSA-N 0.000 description 1
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 1
- 239000005050 vinyl trichlorosilane Substances 0.000 description 1
Classifications
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- 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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70008—Production of exposure light, i.e. light sources
- G03F7/70033—Production of exposure light, i.e. light sources by plasma extreme ultraviolet [EUV] sources
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/0042—Photosensitive materials with inorganic or organometallic light-sensitive compounds not otherwise provided for, e.g. inorganic resists
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/0042—Photosensitive materials with inorganic or organometallic light-sensitive compounds not otherwise provided for, e.g. inorganic resists
- G03F7/0044—Photosensitive materials with inorganic or organometallic light-sensitive compounds not otherwise provided for, e.g. inorganic resists involving an interaction between the metallic and non-metallic component, e.g. photodope systems
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/0045—Photosensitive materials with organic non-macromolecular light-sensitive compounds not otherwise provided for, e.g. dissolution inhibitors
-
- 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
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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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
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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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32139—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer using masks
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Materials For Photolithography (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Abstract
Description
조성물 | ||
제1 유기 금속 화합물 (중량부) |
제2 유기 금속 화합물 (중량부) |
|
실시예 1 | 99 | 1 |
실시예 2 | 95 | 5 |
실시예 3 | 90 | 10 |
실시예 4 | 80 | 20 |
실시예 5 | 75 | 25 |
비교예 1 | 100 | 0 |
비교예 2 | 0 | 100 |
감도 (mJ/cm2) | LER (nm) | 보관안정성 | |
실시예 1 | 180 | 1.9 | ○ |
실시예 2 | 190 | 1.8 | ○ |
실시예 3 | 210 | 1.8 | ○ |
실시예 4 | 230 | 1.7 | ○ |
실시예 5 | 240 | 1.7 | ○ |
비교예 1 | 175 | 2.4 | X |
비교예 2 | 260 | 2.0 | X |
104: 레지스트 하층막 106: 포토레지스트 막
106a: 미노광된 영역 106b: 노광된 영역
108: 포토레지스트 패턴 112: 유기막 패턴
114: 박막 패턴
Claims (15)
- 하기 화학식 1로 표시되는 제1 유기 금속 화합물;
하기 화학식 2로 표시되는 제2 유기 금속 화합물; 및
용매
를 포함하는 반도체 포토레지스트용 조성물:
[화학식 1] [화학식 2]
상기 화학식 1 및 화학식 2에서,
R1 및 R2는 각각 독립적으로 치환 또는 비치환된 C1 내지 C20 알킬기, 치환 또는 비치환된 C1 내지 C20 알케닐기, 치환 또는 비치환된 C1 내지 C20 알카이닐기, 치환 또는 비치환된 C3 내지 C20 사이클로알킬기, 치환 또는 비치환된 C3 내지 C20 사이클로알케닐기, 치환 또는 비치환된 C3 내지 C20 사이클로알카이닐기, 치환 또는 비치환된 C1 내지 C20 알콕시기, 또는 이들의 조합이고,
L1 및 L2는 각각 독립적으로 치환 또는 비치환된 C1 내지 C20 알킬렌기, 치환 또는 비치환된 C1 내지 C20 알케닐렌기, 치환 또는 비치환된 C1 내지 C20 알카이닐렌기, 또는 이들의 조합이고,
R1 및 L1 중 적어도 하나는 3차 탄소를 포함하고,
R2 및 L2 중 적어도 하나는 1차 탄소 및 2차 탄소 중 적어도 하나를 포함하고,
X1, X2, Y1, Y2, Z1 및 Z2는 각각 독립적으로 -ORa, -SRb, -OC(=O)Rc 또는 -SC(=O)Rd이고,
상기 Ra 및 Rb는 각각 독립적으로 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 알카이닐기, 치환 또는 비치환된 C6 내지 C30의 아릴기 또는 이들의 조합이며,
상기 Rc 및 Rd는 각각 독립적으로 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 알카이닐기, 치환 또는 비치환된 C6 내지 C30 아릴기 또는 이들의 조합이다. - 제1항에서,
상기 화학식 1의 R1은 치환 또는 비치환된 C1 내지 C20 알킬기, 치환 또는 비치환된 C1 내지 C20 알케닐기, 치환 또는 비치환된 C1 내지 C20 알카이닐기, 치환 또는 비치환된 C1 내지 C20 알콕시기, 또는 이들의 조합이고,
상기 화학식 1의 L1은 치환 또는 비치환된 C1 내지 C20 알킬렌기이며,
R1 및 L1 중 적어도 하나는 3차 탄소를 포함하는, 반도체 포토레지스트용 조성물. - 제1항에서,
상기 제1 유기 금속 화합물은 하기 화학식 1-1 또는 화학식 1-2로 표시되는, 반도체 포토레지스트용 조성물:
[화학식 1-1] [화학식 1-2]
상기 화학식 1-1 및 화학식 1-2에서,
R3 내지 R7은 각각 독립적으로 치환 또는 비치환된 C1 내지 C10 알킬기, 치환 또는 비치환된 C1 내지 C10 알케닐기, 치환 또는 비치환된 C1 내지 C10 알카이닐기, 치환 또는 비치환된 C3 내지 C10 사이클로알킬기, 치환 또는 비치환된 C3 내지 C10 사이클로알케닐기, 치환 또는 비치환된 C3 내지 C10 사이클로알카이닐기, 치환 또는 비치환된 C1 내지 C10 알콕시기, 또는 이들의 조합이고,
L1은 치환 또는 비치환된 C1 내지 C20 알킬렌기, 치환 또는 비치환된 C1 내지 C20 알케닐렌기, 치환 또는 비치환된 C1 내지 C20 알카이닐렌기, 또는 이들의 조합이고,
R1은 치환 또는 비치환된 C1 내지 C10 알킬기, 치환 또는 비치환된 C1 내지 C10 알케닐기, 치환 또는 비치환된 C1 내지 C10 알카이닐기, 치환 또는 비치환된 C3 내지 C10 사이클로알킬기, 치환 또는 비치환된 C3 내지 C10 사이클로알케닐기, 치환 또는 비치환된 C3 내지 C10 사이클로알카이닐기, 치환 또는 비치환된 C1 내지 C10 알콕시기, 또는 이들의 조합이고,
R8 내지 R11은 각각 독립적으로 수소, 치환 또는 비치환된 C1 내지 C10 알킬기, 치환 또는 비치환된 C3 내지 C10 사이클로알킬기, 치환 또는 비치환된 C2 내지 C10 알케닐기, 치환 또는 비치환된 C2 내지 C10 알카이닐기, 치환 또는 비치환된 C6 내지 C20 아릴기 또는 이들의 조합이고,
n1 및 n3은 각각 독립적으로 0 내지 5의 정수 중 하나이고,
n2는 1 내지 5의 정수 중 하나이며,
X1, Y1 및 Z1은 각각 독립적으로 -ORa, -SRb, -OC(=O)Rc 또는 -SC(=O)Rd이고,
상기 Ra 및 Rb는 각각 독립적으로 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 알카이닐기, 치환 또는 비치환된 C6 내지 C30의 아릴기 또는 이들의 조합이며,
상기 Rc 및 Rd는 각각 독립적으로 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 알카이닐기, 치환 또는 비치환된 C6 내지 C30 아릴기 또는 이들의 조합이다. - 제1항에서,
상기 화학식 2의 R2는 치환 또는 비치환된 C1 내지 C20 알킬기, 치환 또는 비치환된 C1 내지 C20 알케닐기, 치환 또는 비치환된 C1 내지 C20 알카이닐기, 치환 또는 비치환된 C1 내지 C20 알콕시기, 또는 이들의 조합이고,
상기 화학식 2의 L2는 치환 또는 비치환된 C1 내지 C20 알킬렌기이며,
R2 및 L2 중 적어도 하나는 1차 탄소 및 2차 탄소 중 적어도 하나를 포함하는, 반도체 포토레지스트용 조성물. - 제1항에서,
상기 제2 유기 금속 화합물은 하기 화학식 2-1 내지 화학식 2-4 중 어느 하나로 표시되는, 반도체 포토레지스트용 조성물:
[화학식 2-1] [화학식 2-2]
[화학식 2-3] [화학식 2-4]
상기 화학식 2-1 내지 화학식 2-4에서,
R12 내지 R15는 각각 독립적으로 치환 또는 비치환된 C1 내지 C10 알킬기, 치환 또는 비치환된 C1 내지 C10 알케닐기, 치환 또는 비치환된 C1 내지 C10 알카이닐기, 치환 또는 비치환된 C3 내지 C10 사이클로알킬기, 치환 또는 비치환된 C3 내지 C10 사이클로알케닐기, 치환 또는 비치환된 C3 내지 C10 사이클로알카이닐기, 치환 또는 비치환된 C1 내지 C10 알콕시기, 또는 이들의 조합이고,
L2는 치환 또는 비치환된 C1 내지 C20 알킬렌기, 치환 또는 비치환된 C1 내지 C20 알케닐렌기, 치환 또는 비치환된 C1 내지 C20 알카이닐렌기, 또는 이들의 조합이고,
R2는 치환 또는 비치환된 C1 내지 C10 알킬기, 치환 또는 비치환된 C1 내지 C10 알케닐기, 치환 또는 비치환된 C1 내지 C10 알카이닐기, 치환 또는 비치환된 C3 내지 C10 사이클로알킬기, 치환 또는 비치환된 C3 내지 C10 사이클로알케닐기, 치환 또는 비치환된 C3 내지 C10 사이클로알카이닐기, 치환 또는 비치환된 C1 내지 C10 알콕시기, 또는 이들의 조합이고,
R16 및 R17은 각각 독립적으로 수소, 치환 또는 비치환된 C1 내지 C10 알킬기, 치환 또는 비치환된 C3 내지 C10 사이클로알킬기, 치환 또는 비치환된 C2 내지 C10 알케닐기, 치환 또는 비치환된 C2 내지 C10 알카이닐기, 치환 또는 비치환된 C6 내지 C20 아릴기 또는 이들의 조합이고,
n5 및 n7은 각각 독립적으로 1 내지 5의 정수 중 하나이고,
n4 및 n6은 각각 독립적으로 0 내지 5의 정수 중 하나이며,
X2, Y2 및 Z2은 각각 독립적으로 -ORa, -SRb, -OC(=O)Rc 또는 -SC(=O)Rd이고,
상기 Ra 및 Rb는 각각 독립적으로 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 알카이닐기, 치환 또는 비치환된 C6 내지 C30의 아릴기 또는 이들의 조합이며,
상기 Rc 및 Rd는 각각 독립적으로 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 알카이닐기, 치환 또는 비치환된 C6 내지 C30 아릴기 또는 이들의 조합이다. - 제1항에서,
상기 X1, X2, Y1, Y2, Z1 및 Z2는 각각 독립적으로 -ORa 또는 -OC(=O)Rc이고,
Ra은 각각 독립적으로 치환 또는 비치환된 C1 내지 C10 알킬기, 치환 또는 비치환된 C3 내지 C10 사이클로알킬기, 치환 또는 비치환된 C2 내지 C10 알케닐기, 치환 또는 비치환된 C2 내지 C10 알카이닐기, 치환 또는 비치환된 C6 내지 C20 아릴기, 또는 이들의 조합이며,
Rc은 수소, 치환 또는 비치환된 C1 내지 C10 알킬기, 치환 또는 비치환된 C3 내지 C10 사이클로알킬기, 치환 또는 비치환된 C2 내지 C10 알케닐기, 치환 또는 비치환된 C2 내지 C10 알카이닐기, 치환 또는 비치환된 C6 내지 C20 아릴기, 또는 이들의 조합인 반도체 포토레지스트용 조성물. - 제1항에서,
상기 화학식 1의 *-L1-R1은 tert-부틸기, tert-펜틸기, tert-헥실기, tert-헵틸기, tert-옥틸기, tert-노닐기, 또는 tert-데실기이고,
상기 화학식 2의 *-L2-R2는 n-프로필기, n-부틸기, n-펜틸기, n-헥실기, n-헵틸기, n-옥틸기, n-노닐기, n-데실기, iso-프로필기, iso-부틸기, iso-펜틸기, iso-헥실기, iso-헵틸기, iso-옥틸기, iso-노닐기, iso-데실기, sec-부틸기, sec-펜틸기, sec-헥실기, sec-헵틸기, 또는 sec-옥틸기인 반도체 포토레지스트용 조성물. - 제1항에서,
상기 제1 유기 금속 화합물 및 상기 제2 유기 금속 화합물은 99.9 : 0.1 내지 50 : 50의 중량비로 포함되는, 반도체 포토레지스트용 조성물. - 제1항에서,
상기 제1 유기 금속 화합물 및 상기 제2 유기 금속 화합물은 99 : 1 내지 70 : 30의 중량비로 포함되는, 반도체 포토레지스트용 조성물. - 제1항에서,
반도체 포토레지스트용 조성물 100 중량%를 기준으로, 상기 제1 유기 금속 화합물 및 상기 제2 유기 금속 화합물을 포함하는 유기 금속 화합물의 총량은 0.5 중량% 내지 30 중량%인, 반도체 포토레지스트용 조성물. - 제1항에서,
상기 반도체 포토레지스트용 조성물은 계면활성제, 가교제, 레벨링제, 또는 이들의 조합의 첨가제를 더 포함하는 반도체 포토레지스트용 조성물. - 기판 위에 식각 대상 막을 형성하는 단계;
상기 식각 대상 막 위에 제1항 내지 제11항 중 어느 한 항에 따른 반도체 포토레지스트용 조성물을 적용하여 포토 레지스트 막을 형성하는 단계;
상기 포토 레지스트 막을 패터닝하여 포토 레지스트 패턴을 형성하는 단계; 및
상기 포토 레지스트 패턴을 식각 마스크로 이용하여 상기 식각 대상막을 식각하는 단계를 포함하는 패턴 형성 방법. - 제12항에서,
상기 포토 레지스트 패턴을 형성하는 단계는 5 nm 내지 150 nm 파장의 광을 사용하는 패턴 형성 방법. - 제12항에서,
상기 기판과 상기 포토 레지스트 막 사이에 형성되는 레지스트 하층막을 제공하는 단계를 더 포함하는 패턴 형성 방법. - 제12항에서,
상기 포토 레지스트 패턴은 5 nm 내지 100 nm의 폭을 가지는 패턴 형성 방법.
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