KR100932086B1 - 반사 방지 코팅용 조성물 및 패턴 형성방법 - Google Patents
반사 방지 코팅용 조성물 및 패턴 형성방법 Download PDFInfo
- Publication number
- KR100932086B1 KR100932086B1 KR1020057000137A KR20057000137A KR100932086B1 KR 100932086 B1 KR100932086 B1 KR 100932086B1 KR 1020057000137 A KR1020057000137 A KR 1020057000137A KR 20057000137 A KR20057000137 A KR 20057000137A KR 100932086 B1 KR100932086 B1 KR 100932086B1
- Authority
- KR
- South Korea
- Prior art keywords
- acid
- fluorine
- composition
- photoresist
- antireflective coating
- Prior art date
Links
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
- G03F7/09—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
-
- 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
-
- 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
- G03F7/0046—Photosensitive materials with perfluoro compounds, e.g. for dry lithography
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/1053—Imaging affecting physical property or radiation sensitive material, or producing nonplanar or printing surface - process, composition, or product: radiation sensitive composition or product or process of making binder containing
- Y10S430/1055—Radiation sensitive composition or product or process of making
- Y10S430/106—Binder containing
- Y10S430/111—Polymer of unsaturated acid or ester
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Materials For Photolithography (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Surface Treatment Of Optical Elements (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
불소계 중합체의 아민염 | 도데실벤젠설폰산염 | 레지스트 두께 (Å) | 막 감소량 (Å) | pH | 굴절률 | 패턴 형상 | |
실시예 1 | 3.5 | 0.5 | 5105.7 | 210.8 | 2.4 | 1.44 | 사각형 |
실시예 2 | 3.5 | 0.5 | 5110.3 | 223.0 | 2.3 | 1.44 | 사각형 |
실시예 3 | 3.5 | 0.5 | 5112.7 | 241.4 | 2.3 | 1.44 | 사각형 |
실시예 4 | 3.5 | 0.5 | 5115.5 | 258.6 | 2.2 | 1.44 | 사각형 |
불소계 중합체의 아민염 | 도데실벤젠설폰산염 | 레지스트 두께 (Å) | 막 감소량 (Å) | pH | 굴절률 | 패턴 형상 | |
실시예 5 | 3.5 | 0.5 | 5103.8 | 135.0 | 6.0 | 1.48 | 거의 사각형 |
실시예 6 | 3.5 | 0.3 | 5106.9 | 105.9 | 7.0 | 1.48 | 거의 사각형 |
불소계 중합체의 아민염 | 황산 | 레지스트 두께 (Å) | 막 감소량 (Å) | pH | 굴절률 | 패턴형상 | |
실시예 7 | 3.5 | 0.07 | 5110.5 | 169.7 | 2.2 | 1.42 | 사각형 |
실시예 8 | 3.5 | 0.14 | 5113.6 | 208.5 | 2.1 | 1.43 | 사각형 |
불소계 중합체의 아민염 | 염 | 레지스트 두께 (Å) | 막감소량 (Å) | pH | 굴절률 | 패턴 형상 | |
비교예 1 | 3.5 | - | 5114.1 | 87.2 | 11.0 | 1.44 | T-톱 |
Claims (7)
- 화학식 I의 중합 단위를 포함하는 불소계 중합체 또는 화학식 I의 중합 단위와 화학식 II의 중합 단위를 포함하는 불소계 중합체, 산(단, 상기 불소계 중합체는 제외), 아민 및 이들을 용해시킬 수 있는 수성 용매를 함유하고, pH가 7 이하임을 특징으로 하는 반사 방지 코팅용 조성물.화학식 1-[CF2CF(ORfCOOH)]-화학식 2-[CF2CFX]-위의 화학식 1 및 2에서,Rf는 에테르성 산소원자를 함유할 수 있는 직쇄상 또는 측쇄상 퍼플루오로알킬렌기이고,X는 불소원자 또는 염소원자이다.
- 삭제
- 제1항에 있어서, 산이 황산, 염산, 질산, 인산, 플루오르화수소산, 브롬화수소산, 알킬설폰산, 알킬벤젠설폰산, 알킬카복실산 및 알킬벤젠카복실산; 및 알킬기의 수소원자의 전부 또는 일부가 불소원자로 치환된 알킬설폰산, 알킬벤젠설폰산, 알킬카복실산 및 알킬벤젠카복실산으로 이루어진 그룹으로부터 선택된 하나 이상의 산임을 특징으로 하는, 반사 방지 코팅용 조성물.
- 제1항에 있어서, 아민이 NH3, N(CH3)4OH, 알칸올아민, 알킬아민 및 방향족 아민으로 이루어진 그룹으로부터 선택된 하나 이상임을 특징으로 하는, 반사 방지 코팅용 조성물.
- 제1항에 있어서, 수성 용매가 물임을 특징으로 하는, 반사 방지 코팅용 조성물.
- 제1항 또는 제3항 내지 제5항 중의 어느 한 항에 따르는 반사 방지 코팅용 조성물을 포토레지스트 위에 도포하는 공정을 포함함을 특징으로 하는 패턴 형성방법.
- 제6항에 있어서, 도포된 반사 방지 코팅용 조성물 막을 가열하는 공정을 추가로 포함함을 특징으로 하는 패턴 형성방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2002-00195582 | 2002-07-04 | ||
JP2002195582A JP3851594B2 (ja) | 2002-07-04 | 2002-07-04 | 反射防止コーティング用組成物およびパターン形成方法 |
PCT/JP2003/008087 WO2004006023A1 (ja) | 2002-07-04 | 2003-06-26 | 反射防止コーティング用組成物およびパターン形成方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050075328A KR20050075328A (ko) | 2005-07-20 |
KR100932086B1 true KR100932086B1 (ko) | 2009-12-16 |
Family
ID=30112343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020057000137A KR100932086B1 (ko) | 2002-07-04 | 2003-06-26 | 반사 방지 코팅용 조성물 및 패턴 형성방법 |
Country Status (10)
Country | Link |
---|---|
US (1) | US7365115B2 (ko) |
EP (1) | EP1542078B1 (ko) |
JP (1) | JP3851594B2 (ko) |
KR (1) | KR100932086B1 (ko) |
CN (1) | CN100476598C (ko) |
AT (1) | ATE489658T1 (ko) |
DE (1) | DE60335120D1 (ko) |
MY (1) | MY138228A (ko) |
TW (1) | TWI326013B (ko) |
WO (1) | WO2004006023A1 (ko) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1589082A4 (en) * | 2003-01-29 | 2007-05-30 | Asahi Glass Co Ltd | COATING COMPOSITION, ANTI-REFLECTIVE FILM, PHOTORESIN, AND PATTERN FORMING METHOD USING THE SAME |
US7508132B2 (en) * | 2003-10-20 | 2009-03-24 | Hewlett-Packard Development Company, L.P. | Device having a getter structure and a photomask |
EP1686425B1 (en) * | 2003-11-19 | 2018-06-13 | Daikin Industries, Ltd. | Method for forming multilayer resist |
JP4355944B2 (ja) * | 2004-04-16 | 2009-11-04 | 信越化学工業株式会社 | パターン形成方法及びこれに用いるレジスト上層膜材料 |
JP2006039129A (ja) * | 2004-07-26 | 2006-02-09 | Sony Corp | 液浸露光用積層構造、液浸露光方法、電子装置の製造方法及び電子装置 |
JP4322205B2 (ja) | 2004-12-27 | 2009-08-26 | 東京応化工業株式会社 | レジスト保護膜形成用材料およびこれを用いたレジストパターン形成方法 |
US7288362B2 (en) | 2005-02-23 | 2007-10-30 | International Business Machines Corporation | Immersion topcoat materials with improved performance |
JP4482760B2 (ja) * | 2005-04-26 | 2010-06-16 | 信越化学工業株式会社 | レジスト保護膜材料及びパターン形成方法 |
US7544750B2 (en) * | 2005-10-13 | 2009-06-09 | International Business Machines Corporation | Top antireflective coating composition with low refractive index at 193nm radiation wavelength |
KR20080070809A (ko) * | 2005-11-21 | 2008-07-31 | 후지필름 가부시키가이샤 | 감광성 전사 재료, 격벽과 그 형성 방법, 광학 소자와 그제조 방법, 및 표시 장치 |
JP2008112779A (ja) * | 2006-10-30 | 2008-05-15 | Az Electronic Materials Kk | 反射防止膜形成用組成物およびそれを用いたパターン形成方法 |
JP4727567B2 (ja) * | 2006-12-27 | 2011-07-20 | Azエレクトロニックマテリアルズ株式会社 | 反射防止膜形成用組成物およびそれを用いたパターン形成方法 |
WO2008102820A1 (ja) | 2007-02-22 | 2008-08-28 | Asahi Glass Company, Limited | 反射防止コーティング用組成物 |
KR100886314B1 (ko) * | 2007-06-25 | 2009-03-04 | 금호석유화학 주식회사 | 유기반사방지막용 공중합체 및 이를 포함하는유기반사방지막 조성물 |
JP4723557B2 (ja) | 2007-12-14 | 2011-07-13 | Azエレクトロニックマテリアルズ株式会社 | 表面反射防止膜形成用組成物及びそれを用いたパターン形成方法 |
JP5697523B2 (ja) | 2011-04-12 | 2015-04-08 | メルクパフォーマンスマテリアルズIp合同会社 | 上面反射防止膜形成用組成物およびそれを用いたパターン形成方法 |
CN103137441A (zh) * | 2011-11-22 | 2013-06-05 | 上海华虹Nec电子有限公司 | 半导体工艺中制作细长型孤立线条图形的方法 |
US11121267B2 (en) | 2013-03-01 | 2021-09-14 | Board Of Trustees Of The University Of Arkansas | Antireflective coating for glass applications and method of forming same |
JP6848547B2 (ja) * | 2016-04-22 | 2021-03-24 | Agc株式会社 | コーティング用組成物およびフォトレジスト積層体の製造方法 |
CN110128904A (zh) * | 2019-05-10 | 2019-08-16 | 甘肃华隆芯材料科技有限公司 | 一种用于光刻的上表面抗反射涂层组合物 |
CN110045443A (zh) * | 2019-05-10 | 2019-07-23 | 甘肃华隆芯材料科技有限公司 | 一种用于上表面抗反射膜的组合物 |
CN113913060B (zh) * | 2021-10-19 | 2022-05-03 | 苏州润邦半导体材料科技有限公司 | 一种顶部抗反射涂层组合物 |
CN114035405B (zh) * | 2022-01-07 | 2022-04-22 | 甘肃华隆芯材料科技有限公司 | 制备顶部抗反射膜的组合物、顶部抗反射膜和含氟组合物 |
CN116875159B (zh) * | 2023-09-05 | 2023-11-21 | 甘肃华隆芯材料科技有限公司 | 顶部抗反射涂层材料及其制备方法和应用 |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6038821A (ja) | 1983-08-12 | 1985-02-28 | Hitachi Ltd | エッチング方法 |
JPS60263141A (ja) | 1984-06-12 | 1985-12-26 | Fuji Photo Film Co Ltd | 光重合性感光材料 |
JPS6215543A (ja) * | 1985-07-15 | 1987-01-23 | Konishiroku Photo Ind Co Ltd | 写真感光材料 |
JPS6262520A (ja) | 1985-09-13 | 1987-03-19 | Hitachi Ltd | パタ−ン形成方法 |
JPH0799730B2 (ja) | 1985-09-13 | 1995-10-25 | 株式会社日立製作所 | パターン形成方法 |
WO1989004004A1 (en) * | 1987-10-24 | 1989-05-05 | Ito Optical Industrial Co., Ltd. | Processing solution for preventing reflection of optical parts and process for preventing reflection using the solution |
DE3817012A1 (de) | 1988-05-19 | 1989-11-30 | Basf Ag | Positiv und negativ arbeitende strahlungsempfindliche gemische sowie verfahren zur herstellung von reliefmustern |
EP0366590B2 (en) | 1988-10-28 | 2001-03-21 | International Business Machines Corporation | Highly sensitive positive photoresist compositions |
EP0388343B1 (en) * | 1989-03-14 | 1996-07-17 | International Business Machines Corporation | Chemically amplified photoresist |
US5216135A (en) * | 1990-01-30 | 1993-06-01 | Wako Pure Chemical Industries, Ltd. | Diazodisulfones |
JP2970879B2 (ja) | 1990-01-30 | 1999-11-02 | 和光純薬工業株式会社 | 化学増幅型レジスト材料 |
JP3030672B2 (ja) * | 1991-06-18 | 2000-04-10 | 和光純薬工業株式会社 | 新規なレジスト材料及びパタ−ン形成方法 |
JPH0574700A (ja) | 1991-07-17 | 1993-03-26 | Asahi Glass Co Ltd | パターン形成方法 |
JPH0588598A (ja) | 1991-09-30 | 1993-04-09 | Toppan Printing Co Ltd | ホログラム複製用多面付け原版の製造方法 |
JP3281053B2 (ja) * | 1991-12-09 | 2002-05-13 | 株式会社東芝 | パターン形成方法 |
DE69323812T2 (de) * | 1992-08-14 | 1999-08-26 | Japan Synthetic Rubber Co. | Reflexionsverhindernder Film und Verfahren zur Herstellung von Resistmustern |
JPH06118630A (ja) | 1992-10-06 | 1994-04-28 | Tokyo Ohka Kogyo Co Ltd | 化学増幅型レジスト用塗布液組成物 |
JP3192505B2 (ja) | 1992-11-13 | 2001-07-30 | 東京応化工業株式会社 | 半導体素子製造用パターン形成方法 |
JP3492375B2 (ja) * | 1993-10-12 | 2004-02-03 | エイチ・エヌ・エイ・ホールディングス・インコーポレイテッド | 改良されたフォトレジスト用水溶性反射防止塗料組成物およびその製造法 |
JP3344063B2 (ja) * | 1994-02-24 | 2002-11-11 | ジェイエスアール株式会社 | 塩基遮断性反射防止膜およびレジストパターンの形成方法 |
US5631314A (en) * | 1994-04-27 | 1997-05-20 | Tokyo Ohka Kogyo Co., Ltd. | Liquid coating composition for use in forming photoresist coating films and photoresist material using said composition |
JP3491978B2 (ja) * | 1994-08-01 | 2004-02-03 | シップレーカンパニー エル エル シー | 表面反射防止塗布組成物 |
US5611850A (en) * | 1995-03-23 | 1997-03-18 | Mitsubishi Chemical Corporation | Composition for anti-reflective coating on resist |
JP3510003B2 (ja) | 1995-05-01 | 2004-03-22 | クラリアント インターナショナル リミテッド | 反射防止コーティング用組成物 |
JPH0950129A (ja) * | 1995-05-30 | 1997-02-18 | Shin Etsu Chem Co Ltd | 反射防止膜材料及びパターン形成方法 |
JPH0990615A (ja) * | 1995-09-27 | 1997-04-04 | Shin Etsu Chem Co Ltd | 反射防止膜材料及びパターン形成方法 |
JPH09236915A (ja) | 1995-12-27 | 1997-09-09 | Mitsubishi Chem Corp | 反射防止組成物及びレジストパターン形成方法 |
TW337591B (en) * | 1996-04-15 | 1998-08-01 | Shinetsu Chem Ind Co | Anti-reflection coating material |
JP3031287B2 (ja) | 1997-04-30 | 2000-04-10 | 日本電気株式会社 | 反射防止膜材料 |
JP3965740B2 (ja) * | 1997-10-24 | 2007-08-29 | 旭硝子株式会社 | コーティング組成物 |
JP3673399B2 (ja) | 1998-06-03 | 2005-07-20 | クラリアント インターナショナル リミテッド | 反射防止コーティング用組成物 |
KR100647026B1 (ko) * | 1998-11-20 | 2006-11-17 | 에이제토 엘렉토로닉 마티리알즈 가부시키가이샤 | 기판 처리제 조성물 및 이를 이용한 내식막 패턴 형성방법 |
JP3801398B2 (ja) * | 1999-11-01 | 2006-07-26 | 信越化学工業株式会社 | 反射防止膜材料及びパターン形成方法 |
JP2001142221A (ja) * | 1999-11-10 | 2001-05-25 | Clariant (Japan) Kk | 反射防止コーティング用組成物 |
JP4270763B2 (ja) | 2001-02-02 | 2009-06-03 | 株式会社東芝 | ガスタービン制御装置 |
US7217491B2 (en) * | 2002-06-07 | 2007-05-15 | Battelle Memorial Institute | Antireflective coatings |
-
2002
- 2002-07-04 JP JP2002195582A patent/JP3851594B2/ja not_active Expired - Lifetime
-
2003
- 2003-06-12 MY MYPI20032204A patent/MY138228A/en unknown
- 2003-06-26 KR KR1020057000137A patent/KR100932086B1/ko active IP Right Grant
- 2003-06-26 WO PCT/JP2003/008087 patent/WO2004006023A1/ja active Application Filing
- 2003-06-26 DE DE60335120T patent/DE60335120D1/de not_active Expired - Lifetime
- 2003-06-26 CN CNB038154587A patent/CN100476598C/zh not_active Expired - Lifetime
- 2003-06-26 EP EP03738519A patent/EP1542078B1/en not_active Expired - Lifetime
- 2003-06-26 US US10/519,242 patent/US7365115B2/en not_active Expired - Lifetime
- 2003-06-26 AT AT03738519T patent/ATE489658T1/de not_active IP Right Cessation
- 2003-07-03 TW TW092118189A patent/TWI326013B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1666154A (zh) | 2005-09-07 |
US20050239932A1 (en) | 2005-10-27 |
MY138228A (en) | 2009-05-29 |
ATE489658T1 (de) | 2010-12-15 |
EP1542078B1 (en) | 2010-11-24 |
TWI326013B (en) | 2010-06-11 |
EP1542078A1 (en) | 2005-06-15 |
EP1542078A4 (en) | 2009-11-11 |
KR20050075328A (ko) | 2005-07-20 |
WO2004006023A1 (ja) | 2004-01-15 |
US7365115B2 (en) | 2008-04-29 |
DE60335120D1 (de) | 2011-01-05 |
CN100476598C (zh) | 2009-04-08 |
TW200403315A (en) | 2004-03-01 |
JP2004037887A (ja) | 2004-02-05 |
JP3851594B2 (ja) | 2006-11-29 |
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