KR102374049B1 - 포토레지스트를 이용한 패턴 형성 방법 - Google Patents
포토레지스트를 이용한 패턴 형성 방법 Download PDFInfo
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- 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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- 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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- 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
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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
- G03F7/11—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
- G03F7/30—Imagewise removal using liquid means
- G03F7/32—Liquid compositions therefor, e.g. developers
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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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70383—Direct write, i.e. pattern is written directly without the use of a mask by one or multiple beams
- G03F7/70391—Addressable array sources specially adapted to produce patterns, e.g. addressable LED arrays
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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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70425—Imaging strategies, e.g. for increasing throughput or resolution, printing product fields larger than the image field or compensating lithography- or non-lithography errors, e.g. proximity correction, mix-and-match, stitching or double patterning
- G03F7/70466—Multiple exposures, e.g. combination of fine and coarse exposures, double patterning or multiple exposures for printing a single feature
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- 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
- H01L21/0335—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 their behaviour during the process, e.g. soluble masks, redeposited masks
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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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- H01L21/02—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
- H01L21/0338—Process specially adapted to improve the resolution of the mask
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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
- H01L21/308—Chemical or electrical treatment, e.g. electrolytic etching using masks
- H01L21/3081—Chemical or electrical treatment, e.g. electrolytic etching using masks 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
- H01L21/04—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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- 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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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
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Abstract
Description
도 15 내지 도 30은 예시적인 실시예들에 따른 반도체 장치의 제조 방법을 설명하기 위한 평면도 및 단면도들이다.
110: 식각 대상막 115: 식각 대상막 패턴
117: 제1 개구부 120: 제1 하부 코팅막
125, 245, 316: 극성 변환부 130: 제1 포토레지스트 막
133, 253, 313: 노광부 135, 255, 315: 비노광부
140, 311: 노광 마스크 150: 하부 도전 패턴
210: 제1 식각 저지막 220: 층간 절연막
230: 제2 식각 저지막 240: 제2 하부 코팅막
250: 제2 포토레지스트 막 260: 상부 노광 마스크
270: 제2 개구부 280: 배리어막 패턴
285: 금속막 패턴 301: 제1 불순물 영역
302: 소자 분리막 303: 제2 불순물 영역
305: 액티브 패턴 309: 게이트 트렌치
310: 식각 저지막 312: 하부 코팅막
314: 포토레지스트 막 317: 포토레지스트 패턴
319: 개구부 322: 게이트 절연막 패턴
324: 게이트 전극 326: 게이트 마스크
328: 게이트 구조물 330: 캡핑막
335: 제1 층간 절연막 337: 그루브
340: 제1 도전막 342: 제1 도전막 패턴
345: 배리어 도전막 346: 배리어 도전막 패턴
347: 제2 도전막 348: 제2 도전막 패턴
350: 마스크 패턴 355: 도전라인 구조물
357: 스페이서 360: 제2 층간 절연막
370: 콘택 홀 375: 도전 콘택
380: 하부 전극 385: 유전막
387: 상부 전극 390: 커패시터
Claims (10)
- 식각 대상막 상에 순차적으로 하부 코팅막 및 포토레지스트 막을 형성하고;
노광 공정을 통해 상기 포토레지스트 막을 노광부 및 비노광부로 구분시키고;
상기 노광부와 중첩되는 상기 하부 코팅막 부분의 적어도 일부를 상기 노광부와 동일 타입의 극성을 갖는 극성 변환부로 변환시키고; 그리고
상기 포토레지스트 막의 상기 비노광부를 선택적으로 제거하는 것을 포함하며,
상기 하부 코팅막 및 상기 포토레지스트 막은 최초 친수성을 갖는 패턴 형성 방법. - 삭제
- 제1항에 있어서, 상기 포토레지스트 막은 네거티브 톤의 포토레지스트 고분자 및 광산 발생제를 포함하는 포토레지스트 조성물을 사용하여 형성되며,
상기 노광 공정에 의해 광산 발생제로부터 발생한 산에 의해 상기 노광부는 소수성으로 극성이 변환되는 패턴 형성 방법. - 제3항에 있어서, 상기 산이 상기 노광부 하부의 상기 하부 코팅막 부분으로 확산되어 상기 극성 변환부가 형성되는 패턴 형성 방법.
- 제4항에 있어서, 상기 하부 코팅막은 극성 변환 그룹이 결합된 반복 단위를 포함하는 고분자를 포함하는 패턴 형성 방법.
- 제5항에 있어서, 상기 하부 코팅막 부분으로 확산된 상기 산에 의해 상기 극성 변환 그룹에서 탈수 반응이 유도되는 패턴 형성 방법.
- 제6항에 있어서, 상기 극성 변환 그룹은 3차 알코올 그룹을 포함하며, 상기 탈수 반응에 의해 상기 3차 알코올 그룹에 포함된 히드록실기가 이중 결합으로 전환되는 패턴 형성 방법.
- 제7항에 있어서, 상기 극성 변환 그룹은 상기 3차 알코올 그룹이 결합된 지환족 탄화수소 그룹 또는 방향족 탄화수소 그룹을 포함하는 패턴 형성 방법.
- 제1항에 있어서, 잔류하는 상기 노광부를 식각 마스크로 사용하여 상기 식각 대상막을 부분적으로 제거하는 것을 더 포함하는 패턴 형성 방법.
- 식각 대상막 상에 극성 변환 그룹이 결합된 고분자를 포함하는 하부 코팅막을 형성하고;
상기 하부 코팅막 상에 포토레지스트 막을 형성하고;
상기 포토레지스트 막 상에 노광 공정을 수행하여, 극성이 전환된 노광부 및 극성이 유지되는 비노광부를 형성하고;
상기 노광부와 접촉하는 상기 하부 코팅막 부분에 포함된 상기 극성 변환 그룹 내 탈수 반응을 유도하고; 그리고
상기 포토레지스트 막의 비노광부를 제거하는 것을 포함하며,
상기 하부 코팅막 및 상기 포토레지스트 막은 최초 친수성을 갖는 패턴 형성 방법.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150078132A KR102374049B1 (ko) | 2015-06-02 | 2015-06-02 | 포토레지스트를 이용한 패턴 형성 방법 |
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