KR101155141B1 - 다양한 에칭 및 리소 집적 설계를 위한 비정질 탄소(apf)의 사용 기술 - Google Patents
다양한 에칭 및 리소 집적 설계를 위한 비정질 탄소(apf)의 사용 기술 Download PDFInfo
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- KR101155141B1 KR101155141B1 KR1020067017385A KR20067017385A KR101155141B1 KR 101155141 B1 KR101155141 B1 KR 101155141B1 KR 1020067017385 A KR1020067017385 A KR 1020067017385A KR 20067017385 A KR20067017385 A KR 20067017385A KR 101155141 B1 KR101155141 B1 KR 101155141B1
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- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 9
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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
- G03F7/004—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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- 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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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02115—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material being carbon, e.g. alpha-C, diamond or hydrogen doped carbon
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- 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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- 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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- 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
- H01L21/0338—Process specially adapted to improve the resolution of the mask
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- H—ELECTRICITY
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- 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
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/308—Chemical or electrical treatment, e.g. electrolytic etching using masks
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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
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
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- H01L21/3083—Chemical or electrical treatment, e.g. electrolytic etching using masks characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/3086—Chemical or electrical treatment, e.g. electrolytic etching using masks 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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- 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
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/308—Chemical or electrical treatment, e.g. electrolytic etching using masks
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- 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
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- 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
- H01L21/314—Inorganic layers
- H01L21/3146—Carbon layers, e.g. diamond-like layers
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- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
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- Architecture (AREA)
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Abstract
Description
Claims (23)
- 기판 에칭 방법으로서,상기 기판상에 비정질 탄소 층을 증착하는 단계;상기 비정질 탄소 층에 제1 패턴을 형성하는 단계;상기 비정질 탄소 층상에 포토레지스트 층을 증착하는 단계;상기 포토레지스트를 패터닝하는 단계;상기 비정질 탄소 층에 제2 패턴을 형성하기 위하여 상기 비정질 탄소 층으로 상기 포토레지스트의 패턴을 전사하는 단계 ― 상기 제2 패턴은 상기 제1 패턴과 중첩하지 않음 ―; 및이어서, 상기 기판으로 상기 비정질 탄소 층의 상기 제1 및 제2 패턴들을 동시에 전사하는 단계를 포함하는, 기판 에칭 방법.
- 제1항에 있어서,상기 비정질 탄소 층은 일반식 CxHy를 가지는 하나 이상의 탄화수소들을 포함하는 가스 혼합물로부터 기상 증착에 의하여 증착되며, 여기서 상기 x는 2 내지 4의 범위를 갖고 상기 y는 2 내지 10의 범위를 갖는, 기판 에칭 방법.
- 제1항에 있어서,상기 기판은 실리콘, 폴리실리콘, 산화물, 질화물, 텅스텐, 텅스텐 실리사이드, 알루미늄, 실리콘 옥시탄화물 및 이들의 조합물들로 이루어진 그룹으로부터 선택되는 재료를 포함하는, 기판 에칭 방법.
- 제1항에 있어서,상기 비정질 탄소 층을 증착하는 단계 전에, 비정질 실리콘, 실리콘 질화물, 실리콘 옥시질화물, 실리콘 산화물, 도핑된 실리콘 산화물, 실리콘 옥시탄화물, 탄화물, 실리콘 탄화물, 티타늄 및 티타늄 질화물로 이루어진 그룹에서 선택된 반사방지 코팅 층을 상기 기판상에 증착시키는 단계를 더 포함하는, 기판 에칭 방법.
- 제1항에 있어서,상기 비정질 탄소 층은 1W/in2 내지 100W/in2의 전력에서 증착되는, 기판 에칭 방법.
- 제1항에 있어서,상기 비정질 탄소 층의 상기 제1 및 제2 패턴들이 상기 기판으로 전사된 후, 상기 비정질 탄소 층을 상기 기판으로부터 제거하는 단계를 더 포함하는, 기판 에칭 방법.
- 기판 에칭 방법으로서,상기 기판상에 비정질 탄소 층을 증착하는 단계;상기 비정질 탄소 층상에 비탄소 기반 층을 증착하는 단계;상기 비탄소 기반 층 및 상기 비정질 탄소 층에 제1 패턴을 형성하는 단계;상기 비탄소 기반층에 그리고 상기 비정질 탄소 층에 상기 제1 패턴이 형성된 이후에, 상기 비탄소 기반층 상에 포토레지스트 층을 증착하는 단계;상기 포토레지스트를 패터닝하는 단계;상기 비정질 탄소 층에 제2 패턴을 형성하기 위하여 상기 비탄소 기반 층 및 상기 비정질 탄소 층으로 상기 포토레지스트의 패턴을 전사하는 단계 ― 상기 제2 패턴은 상기 제1 패턴과 중첩하지 않음 ―; 및상기 기판으로 상기 비정질 탄소 층의 상기 제1 및 제2 패턴들을 동시에 전사하는 단계를 포함하는, 기판 에칭 방법.
- 제7항에 있어서,상기 비정질 탄소 층은 일반식 CxHy를 가지는 하나 이상의 탄화수소들을 포함하는 가스 혼합물로부터 기상 증착에 의하여 증착되며, 여기서 상기 x는 2 내지 4의 범위를 갖고 상기 y는 2 내지 10의 범위를 갖는, 기판 에칭 방법.
- 제7항에 있어서,상기 기판은 실리콘, 폴리실리콘, 산화물, 질화물, 텅스텐, 텅스텐 실리사이드, 알루미늄, 실리콘 옥시탄화물 및 이들의 조합물로 이루어진 그룹으로부터 선택되는 재료를 포함하는, 기판 에칭 방법.
- 제7항에 있어서,상기 비정질 탄소 층을 증착하는 단계 전에, 비정질 실리콘, 실리콘 질화물, 실리콘 옥시질화물, 실리콘 산화물, 도핑된 실리콘 산화물, 실리콘 옥시탄화물, 탄화물들, 실리콘 탄화물, 티타늄 및 티타늄 질화물로 이루어진 그룹에서 선택된 반사방지 코팅 층을 상기 기판상에 증착시키는 단계를 더 포함하는, 기판 에칭 방법.
- 제7항에 있어서,상기 비정질 탄소 층은 1W/in2 내지 100W/in2의 전력에서 증착되는, 기판 에칭 방법.
- 제7항에 있어서,상기 비탄소 기반 층은 비정질 실리콘, 실리콘 질화물, 실리콘 옥시질화물, 실리콘 산화물, 도핑된 실리콘 산화물, 실리콘 옥시탄화물, 탄화물들, 실리콘 탄화물, 티타늄 및 티타늄 질화물로 이루어진 그룹에서 선택되는, 기판 에칭 방법.
- 제12항에 있어서,상기 비탄소 기반 층은 50Å 내지 500Å의 두께를 갖는, 기판 에칭 방법.
- 제7항에 있어서,상기 비정질 탄소 층의 상기 제1 및 제2 패턴들이 상기 기판으로 전사된 후, 상기 비정질 탄소 층 및 상기 비탄소 기반 층을 상기 기판으로부터 제거하는 단계를 더 포함하는, 기판 에칭 방법.
- 기판 에칭 방법으로서,상기 기판상에 비정질 탄소 층을 증착하는 단계;상기 비정질 탄소 층상에 제1 비탄소 기반 층을 증착하는 단계;상기 비탄소 기반 층 및 상기 비정질 탄소 층에 제1 패턴을 형성하는 단계;상기 비정질 탄소 층에 상기 제1 패턴이 형성된 이후에, 상기 비정질 탄소 층 위에 제2 비탄소 기반 층을 증착하는 단계;상기 제2 비탄소 기반 층상에 포토레지스트 층을 증착하는 단계;상기 포토레지스트를 패터닝하는 단계;상기 비정질 탄소 층에 제2 패턴을 형성하기 위하여 상기 제2 비탄소 기반 층 및 상기 비정질 탄소 층으로 상기 포토레지스트의 패턴을 전사하는 단계 ― 상기 제2 패턴은 상기 제1 패턴과 중첩하지 않음 ―; 및상기 기판으로 상기 비정질 탄소 층의 상기 제1 및 제2 패턴들을 동시에 전사하는 단계를 포함하는, 기판 에칭 방법.
- 제15항에 있어서,상기 제1 비탄소 기반 층은 비정질 실리콘, 실리콘 질화물, 실리콘 옥시질화물, 실리콘 산화물, 도핑된 실리콘 산화물, 실리콘 옥시탄화물, 탄화물들, 실리콘 탄화물, 티타늄 및 티타늄 질화물로 이루어진 그룹에서 선택되는, 기판 에칭 방법.
- 제16항에 있어서,상기 제1 비탄소 기반 층은 50Å 내지 500Å의 두께를 갖는, 기판 에칭 방법.
- 제15항에 있어서,상기 제2 비탄소 기반 층은 비정질 실리콘, 실리콘 질화물, 실리콘 옥시질화물, 실리콘 산화물, 도핑된 실리콘 산화물, 실리콘 옥시탄화물, 탄화물들, 실리콘 탄화물, 티타늄 및 티타늄 질화물로 이루어진 그룹에서 선택되는, 기판 에칭 방법.
- 제 15항에 있어서,상기 비정질 탄소 층은 일반식 CxHy를 가지는 하나 이상의 탄화수소들을 포함하는 가스 혼합물로부터 기상 증착에 의하여 증착되며, 여기서 상기 x는 2 내지 4의 범위를 갖고 상기 y는 2 내지 10의 범위를 갖는, 기판 에칭 방법.
- 제15항에 있어서,상기 기판은 실리콘, 폴리실리콘, 산화물, 질화물, 텅스텐, 텅스텐 실리사이드, 알루미늄, 실리콘 옥시탄화물 및 이들의 조합물들로 이루어진 그룹에서 선택되는 재료를 포함하는, 기판 에칭 방법.
- 제15항에 있어서,상기 비정질 탄소 층을 증착하는 단계 전에, 비정질 실리콘, 실리콘 질화물, 실리콘 옥시질화물, 실리콘 산화물, 도핑된 실리콘 산화물, 실리콘 옥시탄화물, 탄화물들, 실리콘 탄화물, 티타늄 및 티타늄 질화물로 이루어진 그룹에서 선택된 반사방지 코팅 층을 상기 기판상에 증착시키는 단계를 더 포함하는, 기판 에칭 방법.
- 제15항에 있어서,상기 비정질 탄소 층은 1W/in2 내지 100W/in2의 전력에서 증착되는, 기판 에칭 방법.
- 제15항에 있어서,상기 비정질 탄소 층의 상기 제1 및 제2 패턴들이 상기 기판으로 전사된 후, 상기 비정질 탄소 층 및 상기 제2 비탄소 기반 층을 상기 기판으로부터 제거하는 단계를 더 포함하는, 기판 에칭 방법.
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PCT/US2005/000395 WO2005076337A1 (en) | 2004-01-30 | 2005-01-07 | Techniques for the use of amorphous carbon (apf) for various etch and litho integration scheme |
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