KR102463893B1 - 하드마스크 조성물 및 이를 이용한 패턴의 형성방법 - Google Patents
하드마스크 조성물 및 이를 이용한 패턴의 형성방법 Download PDFInfo
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- KR102463893B1 KR102463893B1 KR1020150047492A KR20150047492A KR102463893B1 KR 102463893 B1 KR102463893 B1 KR 102463893B1 KR 1020150047492 A KR1020150047492 A KR 1020150047492A KR 20150047492 A KR20150047492 A KR 20150047492A KR 102463893 B1 KR102463893 B1 KR 102463893B1
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- graphene nanoparticles
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- 229920002554 vinyl polymer Polymers 0.000 description 1
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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
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- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/11—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
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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
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/36—Imagewise removal not covered by groups G03F7/30 - G03F7/34, e.g. using gas streams, using plasma
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
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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
- G03F7/0017—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor for the production of embossing, cutting or similar devices; for the production of casting means
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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
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0332—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their composition, e.g. multilayer masks, materials
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- B81—MICROSTRUCTURAL TECHNOLOGY
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- B81C2201/00—Manufacture or treatment of microstructural devices or systems
- B81C2201/01—Manufacture or treatment of microstructural devices or systems in or on a substrate
- B81C2201/0101—Shaping material; Structuring the bulk substrate or layers on the substrate; Film patterning
- B81C2201/0128—Processes for removing material
- B81C2201/013—Etching
- B81C2201/0132—Dry etching, i.e. plasma etching, barrel etching, reactive ion etching [RIE], sputter etching or ion milling
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- Photosensitive Polymer And Photoresist Processing (AREA)
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Abstract
Description
도 2a 내지 도 2d는 다른 일구현예에 따른 하드마스크 조성물을 이용한 패턴의 형성방법을 설명하기 위한 것이다.
그래핀 나노파티클의 사이즈(nm) | 에지탄소의 함량(원자%) |
0.9 | 76.0 |
2.0 | 44.1 |
3.2 | 30.7 |
4.9 | 21.1 |
5.5 | 19.1 |
7.3 | 14.8 |
10.2 | 10.8 |
15.4 | 7.3 |
20.0 | 5.6 |
25.2 | 4.5 |
29.9 | 3.8 |
40.3 | 2.8 |
50.2 | 2.3 |
60.0 | 1.9 |
80.3 | 1.4 |
100.0 | 1.2 |
12a, 22a: 하드마스크 패턴 13a: 포토레지스트 패턴
Claims (14)
- 5 내지 100nm 사이즈를 가지는 그래핀 나노파티클 및 용매를 포함하며,
상기 그래핀 나노파티클의 라만 분광 분석에 의하여 구해지는 G 모드 피크에 대한 D 모드 피크의 세기비가 2 이하인 하드마스크 조성물. - 제1항에 있어서,
상기 그래핀 나노파티클의 사이즈는 5 내지 30nm이며, 300층 이하인 하드마스크 조성물. - 삭제
- 제1항에 있어서,
상기 그래핀 나노파티클의 라만 분광에 의하여 구해지는 G 모드 피크에 대한 2D 모드 피크의 세기비가 0.01 이상인 하드마스크 조성물. - 제1항에 있어서,
상기 그래핀 나노파티클의 sp2 탄소 분율이 sp3 탄소 분율에 비하여 1배 이상인 하드마스크 조성물. - 제1항에 있어서,
상기 그래핀 나노파티클의 말단에는 하이드록시기, 에폭시기, 카르복실기, 카르보닐기, 아민기 및 이미드기로 이루어진 군으로부터 선택된 하나 이상의 작용기가 결합된 하드마스크 조성물. - 제1항에 있어서,
방향족 고리 함유 모노머, 방향족 고리 함유 모노머를 포함하는 반복단위를 함유하는 고분자 중에서 선택된 하나의 제1물질;
육방정계 질화붕소, 칼코게나이드계 물질 및 그 전구체로 이루어진 군으로부터 선택된 하나 이상의 제2물질; 또는 그 혼합물;을 더 포함하는 하드마스크 조성물. - 제1항에 있어서,
상기 그래핀 나노파티클의 함량은 하드마스크 조성물의 총중량을 기준으로 하여 0.1 내지 40 중량%인 하드마스크 조성물. - 제1항에 있어서,
상기 용매가 물, 메탄올, 이소프로판올, 에탄올 N,N-디메틸포름아미드, N-메틸피롤리돈, 디클로로에탄, 디클로로벤젠, N,N-디메틸술폭사이드, 크실렌, 아닐린, 프로필렌 글리콜, 프로필렌 글리콜 디아세테이트, 메톡시 프로판디올, 디에틸렌글리콜, 감마부티로락톤, 아세틸아세톤, 사이클로헥사논, 프로필렌글리콜 모노메틸에테르 아세테이트, γ-부티로락톤, 디클로로에탄, 디클로로벤젠, 니트로메탄, 테트라하이드로퓨란, 니트로메탄, 디메틸 술폭시드, 니트로벤젠, 부틸 니트라이트(butyl nitrite), 메틸셀로솔브, 에틸셀로솔브, 디에틸 에테르, 디에틸렌글리콜메틸에테르, 디에틸렌글리콜에틸에테르, 디프로필렌글리콜메틸에테르, 톨루엔, 자이렌, 헥산, 메틸에틸케톤, 메틸이소케톤, 하이드록시메틸셀룰로오즈 및 헵탄 중에서 선택된 하나 이상으로 이루어진 군으로부터 선택된 하나 이상인 하드마스크 조성물. - 기판상에 피식각막을 형성하는 단계;
상기 피식각막 상부에 제1항, 제2항, 제4항 내지 제9항 중 어느 한 항의 하드마스크 조성물을 공급하여 그래핀 나노파티클을 함유하는 하드마스크를 형성하는 제1단계;
상기 하드마스크 상부에 포토레지스트막을 형성하는 제2단계;
상기 포토레지스트막을 에칭 마스크로 하여 그래핀 나노파티클을 에칭하여 상기 피식각막 상부에 그래핀 나노파티클을 포함하는 하드마스크 패턴을 형성하는 제3단계; 및
상기 하드마스크 패턴을 에칭 마스크로 하여 상기 피식각막을 에칭하는 제4단계를 포함하는 패턴의 형성방법. - 제10항에 있어서,
상기 하드마스크 조성물을 피식각막 상부에 코팅하는 과정 중 또는 코팅 후에 열처리를 실시하는 패턴의 형성방법. - 제10항에 있어서,
상기 하드마스크의 두께가 10nm 내지 10,000nm인 패턴의 형성방법. - 제10항에 있어서,
상기 제1단계가 하드마스크 조성물을 스핀 코팅(Spin coating), 에어스프레이, 전기분무(electrospary), 딥 코팅(dip coating), 스프레이 코팅(spary coating), 닥터블래이드법, 바코팅(bar coating) 중에서 선택된 하나에 따라 실시되는 패턴의 형성방법. - 제10항에 있어서,
상기 하드마스크는 633nm의 노광 파장에서 투과율이 1% 이하인 패턴의 형성방법.
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