KR102367638B1 - 방향족 비닐화합물이 부가된 노볼락수지를 포함하는 레지스트 하층막 형성 조성물 - Google Patents
방향족 비닐화합물이 부가된 노볼락수지를 포함하는 레지스트 하층막 형성 조성물 Download PDFInfo
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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
- G03F7/09—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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- C08G14/00—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00
- C08G14/02—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes
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- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/34—Condensation polymers of aldehydes or ketones with monomers covered by at least two of the groups C09D161/04, C09D161/18 and C09D161/20
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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
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/091—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers characterised by antireflection means or light filtering or absorbing means, e.g. anti-halation, contrast enhancement
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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
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/094—Multilayer resist systems, e.g. planarising layers
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- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
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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
- G03F7/16—Coating processes; Apparatus therefor
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- 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
- G03F7/20—Exposure; Apparatus therefor
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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
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/30—Imagewise removal using liquid means
- G03F7/32—Liquid compositions therefor, e.g. developers
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- 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
- H01L21/0276—Photolithographic processes using an anti-reflective coating
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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
- H01L21/033—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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- 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
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0334—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 size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/0337—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 size, orientation, disposition, behaviour, shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks, sidewalls, or to modify the mask, e.g. pre-treatment, post-treatment
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Abstract
Description
Claims (17)
- 방향환 함유 화합물(A)의 방향환 구조와 방향족 비닐화합물(B)의 비닐기의 반응에 의해 얻어지는, 구조기(C)를 부가적으로 갖는 노볼락수지를 포함하는 레지스트 하층막 형성 조성물로서,
방향환 함유 화합물(A)이 방향족 아민 화합물인 레지스트 하층막 형성 조성물.
- 제1항에 있어서,
방향환 함유 화합물(A)의 방향환 구조가 노볼락수지의 중합쇄를 구성하는 방향환 함유 구조인 레지스트 하층막 형성 조성물.
- 제1항에 있어서,
방향족 비닐화합물(B)이 식(1):
(식(1) 중, Ar1은 탄소원자수 6 내지 40의 아릴기를 나타내고, R1은 탄소원자수 1 내지 10의 알킬기, 탄소원자수 2 내지 10의 알케닐기, 탄소원자수 2 내지 10의 알키닐기, 탄소원자수 6 내지 40의 아릴기, 하이드록실기, 시아노기, 니트로기, 아미노기, 카르복실기, 아세틸기, 하이드록시메틸기, 할로게노메틸기, -Y-Z기, 할로겐원자, 또는 이들의 조합을 나타낸다. Y는 산소원자, 황원자, 카르보닐기, 또는 에스테르기를 나타내고, Z는 탄소원자수 1 내지 10의 알킬기를 나타낸다. R2는 수소원자, 메틸기, 또는 페닐기를 나타낸다. m은 0 내지 (5+2n)의 정수이며, n은 상기 Ar1의 정의인 아릴기를 구성하는 방향환의 축합도를 나타낸다.)로 표시되는 레지스트 하층막 형성 조성물.
- 제1항에 있어서,
방향족 비닐화합물(B)이 스티렌, 2-비닐나프탈렌, 4-tert부틸스티렌, 또는 4-tert-부톡시스티렌인 레지스트 하층막 형성 조성물.
- 제1항에 있어서,
구조기(C)가 식(2):
(식(2) 중, Ar1은 탄소원자수 6 내지 40의 아릴기를 나타내고, R1은 탄소원자수 1 내지 10의 알킬기, 탄소원자수 2 내지 10의 알케닐기, 탄소원자수 2 내지 10의 알키닐기, 탄소원자수 6 내지 40의 아릴기, 하이드록실기, 시아노기, 니트로기, 아미노기, 카르복실기, 아세틸기, 하이드록시메틸기, 할로게노메틸기, -Y-Z기, 할로겐원자, 또는 이들의 조합을 나타낸다. Y는 산소원자, 황원자, 카르보닐기, 또는 에스테르기를 나타내고, Z는 탄소원자수 1 내지 10의 알킬기를 나타낸다. R2는 수소원자, 메틸기, 또는 페닐기를 나타낸다. m은 0 내지 (5+2n)의 정수이며, n은 상기 Ar1의 정의인 아릴기를 구성하는 방향환의 축합도를 나타낸다. A1은 방향환 함유 화합물(A)의 방향환 구조에서 유래하는 기, 또는 노볼락수지의 중합쇄를 구성하는 방향환 함유 구조에서 유래하는 기이다.)로 표시되는 레지스트 하층막 형성 조성물.
- 삭제
- 제1항에 있어서,
노볼락수지가, 방향족 아민 화합물과, 알데히드 또는 케톤과의 반응에 의해 생성된 수지인 레지스트 하층막 형성 조성물.
- 제7항에 있어서,
방향족 아민 화합물이 페닐인돌, 또는 페닐나프틸아민인 레지스트 하층막 형성 조성물.
- 삭제
- 제7항에 있어서,
알데히드가 나프트알데히드, 또는 피렌카르복시알데히드인 레지스트 하층막 형성 조성물.
- 제1항에 있어서,
추가로 용제를 포함하는 레지스트 하층막 형성 조성물.
- 제1항에 있어서,
추가로 산 및 산발생제 중 적어도 하나를 포함하는 레지스트 하층막 형성 조성물.
- 제1항에 있어서,
추가로 가교제를 포함하는 레지스트 하층막 형성 조성물.
- 제1항 내지 제5항, 제7항, 제8항 및 제10항 내지 제13항 중 어느 한 항에 기재된 레지스트 하층막 형성 조성물을 반도체기판 상에 도포하고 소성하여 하층막을 형성하는 공정을 포함하는 반도체의 제조에 이용되는 레지스트패턴의 형성방법.
- 반도체기판 상에 제1항 내지 제5항, 제7항, 제8항 및 제10항 내지 제13항 중 어느 한 항에 기재된 레지스트 하층막 형성 조성물로부터 하층막을 형성하는 공정, 그 위에 레지스트막을 형성하는 공정, 광 또는 전자선의 조사와 현상에 의해 레지스트패턴을 형성하는 공정, 형성된 레지스트패턴에 의해 이 하층막을 에칭하는 공정, 및 패턴화된 하층막에 의해 반도체기판을 가공하는 공정을 포함하는 반도체장치의 제조방법.
- 반도체기판 상에 제1항 내지 제5항, 제7항, 제8항 및 제10항 내지 제13항 중 어느 한 항에 기재된 레지스트 하층막 형성 조성물로부터 하층막을 형성하는 공정, 그 위에 하드마스크를 형성하는 공정, 다시 그 위에 레지스트막을 형성하는 공정, 광 또는 전자선의 조사와 현상에 의해 레지스트패턴을 형성하는 공정, 형성된 레지스트패턴에 의해 하드마스크를 에칭하는 공정, 패턴화된 하드마스크에 의해 이 하층막을 에칭하는 공정, 및 패턴화된 하층막에 의해 반도체기판을 가공하는 공정을 포함하는 반도체장치의 제조방법.
- 제16항에 있어서,
하드마스크가 무기물의 증착에 의해 형성된 것인 제조방법.
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