KR102678333B1 - 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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- KR102678333B1 KR102678333B1 KR1020210062919A KR20210062919A KR102678333B1 KR 102678333 B1 KR102678333 B1 KR 102678333B1 KR 1020210062919 A KR1020210062919 A KR 1020210062919A KR 20210062919 A KR20210062919 A KR 20210062919A KR 102678333 B1 KR102678333 B1 KR 102678333B1
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- 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
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- 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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- 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
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- 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
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Abstract
화학식 1에 대한 구체적인 내용은 명세서 상에서 정의된 것과 같다.
Description
감도 | LER | 보관안정성 | |
실시예 1 | A | ○ | ○ |
실시예 2 | A | ○ | △ |
실시예 3 | A | ○ | ○ |
실시예 4 | A | ○ | ○ |
실시예 5 | A | ○ | ○ |
비교예 1 | B | △ | △ |
비교예 2 | B | △ | X |
104: 레지스트 하층막 106: 포토레지스트 막
106a: 미노광된 영역 106b: 노광된 영역
108: 포토레지스트 패턴 112: 유기막 패턴
114: 박막 패턴
Claims (13)
- 하기 화학식 1로 표시되는 유기금속화합물 및 용매를 포함하는 반도체 포토레지스트용 조성물:
[화학식 1]
상기 화학식 1에서,
Ra, Rb, 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 조합이고,
상기 Ra, Rb, Rc 및 Rd 중 적어도 하나는 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 Ra, Rb, Rc 및 Rd는 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,
상기 Ra, Rb, Rc 및 Rd 중 적어도 하나는 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 Ra, Rb, Rc 및 Rd는 각각 독립적으로 수소, 메틸기, 에틸기, 프로필기, 부틸기, 아이소프로필기, tert-부틸기, 2,2-디메틸프로필기, 사이클로프로필기, 사이클로부틸기, 사이클로펜틸기, 사이클로헥실기, 에테닐기, 프로페닐기, 부테닐기, 에타이닐기, 프로파이닐기, 부타이닐기, 페닐기, 톨릴기, 크실렌기, 벤질기, 또는 이들의 조합이고,
상기 Ra, Rb, Rc 및 Rd 중 적어도 하나는 메틸기, 에틸기, 프로필기, 부틸기, 아이소프로필기, tert-부틸기, 2,2-디메틸프로필기, 사이클로프로필기, 사이클로부틸기, 사이클로펜틸기, 사이클로헥실기, 에테닐기, 프로페닐기, 부테닐기, 에타이닐기, 프로파이닐기, 부타이닐기, 페닐기, 톨릴기, 크실렌기, 벤질기, 또는 이들의 조합인 반도체 포토레지스트용 조성물. - 제1항에서,
상기 유기금속화합물은 하기 화학식 a 내지 화학식 d로 표시되는 화합물 중 어느 하나 또는 이들의 조합을 포함하는 반도체 포토레지스트용 조성물:
[화학식 a]
[화학식 b]
[화학식 c]
[화학식 d]
상기 화학식 a 내지 화학식 d에서,
Ra, Rb, Rc 및 Rd는 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 C30 아릴기 또는 이들의 조합이다. - 제4항에서,
상기 Ra, Rb, Rc 및 Rd는 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 조합인 반도체 포토레지스트용 조성물. - 제4항에서,
상기 Ra, Rb, Rc 및 Rd는 각각 독립적으로 메틸기, 에틸기, 프로필기, 부틸기, 아이소프로필기, tert-부틸기, 2,2-디메틸프로필기, 사이클로프로필기, 사이클로부틸기, 사이클로펜틸기, 사이클로헥실기, 에테닐기, 프로페닐기, 부테닐기, 에타이닐기, 프로파이닐기, 부타이닐기, 페닐기, 톨릴기, 크실렌기, 벤질기, 또는 이들의 조합인 반도체 포토레지스트용 조성물. - 제1항에서,
상기 유기금속화합물은 하기 그룹 1에 나열된 화합물 중 어느 하나 또는 이들의 조합을 포함하는 반도체 포토레지스트용 조성물:
[그룹 1]
[화학식 2] [화학식 3] [화학식 4]
[화학식 5] [화학식 6]
- 제1항에서,
반도체 포토레지스트용 조성물 100 중량%를 기준으로, 상기 화학식 1로 표현되는 유기금속화합물 1 중량% 내지 30 중량%를 포함하는 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 제9항 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. - 제10항에서,
상기 포토 레지스트 패턴을 형성하는 단계는 5 nm 내지 150 nm 파장의 광을 사용하는 패턴 형성 방법. - 제10항에서,
상기 기판과 상기 포토 레지스트 막 사이에 형성되는 레지스트 하층막을 제공하는 단계를 더 포함하는 패턴 형성 방법. - 제10항에서,
상기 포토 레지스트 패턴은 5 nm 내지 100 nm의 폭을 가지는 패턴 형성 방법.
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WO1990003999A1 (en) | 1988-10-07 | 1990-04-19 | M&T Chemicals Inc. | Improved stabilizers for halogen-containing polymers |
JP2009275023A (ja) | 2008-05-19 | 2009-11-26 | Mitsui Chemicals Inc | 金属含有化合物およびこれを含む重合性組成物 |
EP2698200A1 (de) | 2012-08-13 | 2014-02-19 | TIB Chemicals AG | Thermolatente Katalysatoren, deren Herstellung und Verwendung |
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WO1990003999A1 (en) | 1988-10-07 | 1990-04-19 | M&T Chemicals Inc. | Improved stabilizers for halogen-containing polymers |
JP2009275023A (ja) | 2008-05-19 | 2009-11-26 | Mitsui Chemicals Inc | 金属含有化合物およびこれを含む重合性組成物 |
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