KR102233875B1 - 광산 발생제를 포함하는 반사방지 코팅 조성물을 이용한 패턴 형성 방법 - Google Patents
광산 발생제를 포함하는 반사방지 코팅 조성물을 이용한 패턴 형성 방법 Download PDFInfo
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- KR102233875B1 KR102233875B1 KR1020130166928A KR20130166928A KR102233875B1 KR 102233875 B1 KR102233875 B1 KR 102233875B1 KR 1020130166928 A KR1020130166928 A KR 1020130166928A KR 20130166928 A KR20130166928 A KR 20130166928A KR 102233875 B1 KR102233875 B1 KR 102233875B1
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- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
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Images
Classifications
-
- 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
- G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
- G03F7/0382—Macromolecular compounds which are rendered insoluble or differentially wettable the macromolecular compound being present in a chemically amplified negative photoresist composition
-
- 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
-
- 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
- H01L21/0271—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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Materials For Photolithography (AREA)
Abstract
Description
반사방지 코팅 조성물 | 최소패턴선폭 |
비교예 1 | 45.47nm |
비교예 2 | 43.72nm |
실시예 1 | 37.33nm |
Claims (10)
- (1) (a) (a-1) 카복시 및 카복시에스터로부터 선택된 둘 이상의 작용기를 갖는 시아누레이트계 화합물로부터 유도되는 1종 이상의 단위; 및 (a-2) 디올 또는 폴리올로부터 유도되는 1종 이상의 단위를 포함하는 유기 고분자, (b) 광산 발생제(photoacid generator) 및 (c) 가교제를 포함하는 반사방지 코팅 조성물의 층을 기판 상에 형성하는 단계;
(2) 상기 반사방지 코팅 조성물층 상에 포토레지스트 조성물의 층을 형성하는 단계;
(3) 상기 포토레지스트 조성물층 및 반사방지 코팅 조성물층을 동시에 활성 조사선에 노출시킨 후 베이크 하는 단계; 및
(4) 상기 활성 조사선에 노출된 포토레지스트 조성물층을 유기 용매 현상제로 현상하는 단계를 포함하는, 네거티브톤 현상(NTD)에 의한 패턴 형성 방법.
- 제 1 항에 있어서,
상기 광산 발생제가 오늄 염(onium salt)계 광산 발생제인, 네거티브톤 현상에 의한 패턴 형성 방법.
- 제 2 항에 있어서,
상기 오늄 염이 방향족 그룹 및 설포네이트를 갖는 설포늄의 염인, 네거티브톤 현상에 의한 패턴 형성 방법.
- 제 1 항에 있어서,
상기 반사방지 코팅 조성물이, 조성물의 고형분의 총 중량을 기준으로, 상기 광산 발생제를 0.01 내지 15 중량%로 포함하는, 네거티브톤 현상에 의한 패턴 형성 방법.
- 제 1 항에 있어서,
상기 반사방지 코팅 조성물이 열산 발생제(thermal acid generator)를 추가로 포함하는, 네거티브톤 현상에 의한 패턴 형성 방법.
- 제 5 항에 있어서,
상기 열산 발생제가 벤젠설폰산계 열산 발생제인, 네거티브톤 현상에 의한 패턴 형성 방법.
- 제 1 항에 있어서,
상기 가교제가 글리콜우릴(glycoluril)계 가교제인, 네거티브톤 현상에 의한 패턴 형성 방법.
- 삭제
- 제 1 항에 있어서,
상기 포토레지스트 조성물이 매트릭스 고분자, 광산 발생제 및 용매를 포함하고,
이때 상기 매트릭스 고분자가 산-절단성(acid-cleavable) 보호기를 갖는 적어도 하나의 단위를 포함하는, 네거티브톤 현상에 의한 패턴 형성 방법.
- 제 1 항에 있어서,
상기 반사방지 코팅 조성물층을 형성하기 이전에, 상기 기판 상에 상기 반사방지 코팅 조성물층과는 다른 제2 반사방지 코팅 조성물층을 형성하여,
상기 반사방지 코팅 조성물층이 상기 제2 반사방지 코팅 조성물층 상에 형성되는, 네거티브톤 현상에 의한 패턴 형성 방법.
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CN201410858451.9A CN105223774B (zh) | 2013-12-30 | 2014-12-30 | 采用包括光酸产生剂的抗反射涂层组合物的图案形成方法 |
TW103146505A TWI666522B (zh) | 2013-12-30 | 2014-12-30 | 使用包含光酸產生劑之抗反射塗覆組成物之形成圖案之方法 |
JP2015000579A JP6506965B2 (ja) | 2013-12-30 | 2015-01-05 | 光酸発生剤を含む反射防止コーティング組成物を用いるパターン形成方法 |
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US11262656B2 (en) * | 2016-03-31 | 2022-03-01 | Rohm And Haas Electronic Materials Korea Ltd. | Coating compositions for use with an overcoated photoresist |
WO2018173446A1 (ja) * | 2017-03-22 | 2018-09-27 | Jsr株式会社 | パターン形成方法 |
WO2018179704A1 (ja) * | 2017-03-27 | 2018-10-04 | Jsr株式会社 | パターン形成方法 |
US11269252B2 (en) * | 2019-07-22 | 2022-03-08 | Rohm And Haas Electronic Materials Llc | Method for forming pattern using antireflective coating composition including photoacid generator |
DE102019134535B4 (de) * | 2019-08-05 | 2023-09-07 | Taiwan Semiconductor Manufacturing Co., Ltd. | Materialien für unteren antireflexbelag |
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JP6506965B2 (ja) | 2019-04-24 |
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CN105223774A (zh) | 2016-01-06 |
TW201541192A (zh) | 2015-11-01 |
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