KR100603700B1 - 화학적으로 증폭된 포토레지스트의 해상도를 향상시키는방법 - Google Patents
화학적으로 증폭된 포토레지스트의 해상도를 향상시키는방법 Download PDFInfo
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- KR100603700B1 KR100603700B1 KR1020030078998A KR20030078998A KR100603700B1 KR 100603700 B1 KR100603700 B1 KR 100603700B1 KR 1020030078998 A KR1020030078998 A KR 1020030078998A KR 20030078998 A KR20030078998 A KR 20030078998A KR 100603700 B1 KR100603700 B1 KR 100603700B1
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Classifications
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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
-
- 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
- G03F7/40—Treatment after imagewise removal, e.g. baking
- G03F7/405—Treatment with inorganic or organometallic reagents after imagewise removal
-
- 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
- G03F7/40—Treatment after imagewise removal, e.g. baking
-
- 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
- G03F7/0045—Photosensitive materials with organic non-macromolecular light-sensitive compounds not otherwise provided for, e.g. dissolution inhibitors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Materials For Photolithography (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
Abstract
Description
Claims (11)
- 화학적으로 증폭된 포토레지스트의 해상도를 향상시키는 방법에 있어서,기판상에 화학적으로 증폭된 포토레지스트의 부조(relief) 이미지-상기 부조 이미지는 제 1 치수의 피처를 포함함-를 형성하는 단계와,상기 부조 이미지의 제 1 치수를 제 2 치수로 감소시키기에 효과적인 시간동안 수성 산성 용액을 상기 부조 이미지에 접촉시키는 단계를 포함하는 화학적으로 증폭된 포토레지스트의 해상도를 향상시키는 방법.
- 제 1항에 있어서,상기 수성 산성 용액은 산화합물을 포함하는, 화학적으로 증폭된 포토레지스트의 해상도를 향상시키는 방법.
- 제 2항에 있어서,상기 산화합물은 6 또는 6보다 작은 pKa를 가지며 포토레지스트의 베이스 수지내 산불안정 그룹을 제거하는데 효과적인, 화학적으로 증폭된 포토레지스트의 해상도를 향상시키는 방법.
- 삭제
- 제 1항에 있어서,상기 수성 산성 용액은 무기산화합물을 포함하며 상기 무기산 화합물은 질산, 할로겐 산, 설퓨릭 에시드, 설퓨로우스 에시드, 퍼클로릭 에시드, 퍼클로릭 에시드, 보릭 에시드, 인산 또는 전술한 무기산의 적어도 하나를 포함하는 컴비네이션을 포함하는, 화학적으로 증폭된 포토레지스트의 해상도를 향상시키는 방법.
- 제 1항에 있어서,상기 수성 산성 용액은 유기산화합물을 포함하며, 상기 유기산 화합물은 카르복실릭 에시드, 디카르복실릭 에시드, 폴리카르복실릭 에시드, 하이드록시알카노익 에시드, 유기 포스포러스 에시드, 설포닉 에시드 또는 전술한 유기산의 적어도 하나를 포함하는 컴비네이션을 포함하는, 화학적으로 증폭된 포토레지스트의 해상도를 향상시키는 방법.
- 제 1항에 있어서,상기 수성 산성 용액을 20℃ 내지 100℃의 온도로 가열하는 단계를 더 포함하는, 화학적으로 증폭된 포토레지스트의 해상도를 향상시키는 방법.
- 제 1항에 있어서,상기 제 2 치수는 상기 제 1 치수보다 더 작은 폭 치수와 더 작은 높이 치수를 포함하는, 화학적으로 증폭된 포토레지스트의 해상도를 향상시키는 방법.
- 화학적으로 증폭된 포토레지스트의 해상도를 향상시키는 방법에 있어서,기판상에 화학적으로 증폭된 포토레지스트의 부조 이미지 -상기 부조 이미지는 제 1 치수의 피처를 포함함- 를 형성하는 단계와,상기 부조 이미지의 제 1 치수를 제 2 치수로 감소시키기에 효과적인 시간동안 수성 산성 용액 -상기 수성 산성 용액은 6보다 작은 pKa를 갖는 산 화합물을 포함함- 을 상기 부조 이미지에 접촉시키는 단계와,상기 수성 산성 용액을 제거하기 위해 기판을 세척하는 단계(rinsing)를 포함하는 화학적으로 증폭된 포토레지스트의 해상도를 향상시키는 방법.
- 제 9항에 있어서,상기 수성 산성 용액을 제거하기 위해 기판을 세척하는 단계는 기판에 알칼리성 현상제 용액을 적용하는 단계를 포함하는, 화학적으로 증폭된 포토레지스트의 해상도를 향상시키는 방법.
- 제 1항 또는 제 9항에 있어서, 상기 수성 산성 용액을 증착하기 전에 상기 기판을 20℃ 내지 100℃의 온도로 가열하는 단계를 더 포함하는, 화학적으로 증폭된 포토레지스트의 해상도를 향상시키는 방법.
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US10/309,404 | 2002-12-03 | ||
US10/309,404 US6861209B2 (en) | 2002-12-03 | 2002-12-03 | Method to enhance resolution of a chemically amplified photoresist |
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US7504198B2 (en) * | 2006-05-24 | 2009-03-17 | Advanced Micro Devices, Inc. | Methods for enhancing resolution of a chemically amplified photoresist |
US7862982B2 (en) * | 2008-06-12 | 2011-01-04 | International Business Machines Corporation | Chemical trim of photoresist lines by means of a tuned overcoat material |
US9316916B2 (en) * | 2009-04-07 | 2016-04-19 | Globalfounries Inc. | Method to mitigate resist pattern critical dimension variation in a double-exposure process |
JP2011257499A (ja) * | 2010-06-07 | 2011-12-22 | Tokyo Ohka Kogyo Co Ltd | レジストパターン形成方法及びパターン微細化処理剤 |
TWI605062B (zh) * | 2013-12-30 | 2017-11-11 | 羅門哈斯電子材料有限公司 | 光阻圖案修整組成物及方法 |
CN110989299A (zh) * | 2019-12-27 | 2020-04-10 | 中国科学院微电子研究所 | 基于热胀冷缩的光刻方法 |
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JPH01114041A (ja) * | 1987-10-27 | 1989-05-02 | Nec Corp | 微細パタン形成方法 |
KR950015838A (ko) * | 1993-11-16 | 1995-06-17 | 양승택 | 마이크로파용 고온초전도 대역통과필터의 제조방법 |
KR19990045048A (ko) * | 1997-11-06 | 1999-06-25 | 가네꼬 히사시 | 화학 증폭 포토레지스트 상의 패턴 형성 방법 |
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EP0476840B1 (en) * | 1990-08-30 | 1997-06-18 | AT&T Corp. | Process for fabricating a device |
JPH06186754A (ja) * | 1992-12-17 | 1994-07-08 | Mitsubishi Electric Corp | 微細レジストパターンの形成方法 |
TW329539B (en) * | 1996-07-05 | 1998-04-11 | Mitsubishi Electric Corp | The semiconductor device and its manufacturing method |
US6274289B1 (en) | 2000-06-16 | 2001-08-14 | Advanced Micro Devices, Inc. | Chemical resist thickness reduction process |
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2002
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2003
- 2003-08-07 CN CNB031274420A patent/CN1241070C/zh not_active Expired - Fee Related
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JPH01114041A (ja) * | 1987-10-27 | 1989-05-02 | Nec Corp | 微細パタン形成方法 |
KR950015838A (ko) * | 1993-11-16 | 1995-06-17 | 양승택 | 마이크로파용 고온초전도 대역통과필터의 제조방법 |
KR19990045048A (ko) * | 1997-11-06 | 1999-06-25 | 가네꼬 히사시 | 화학 증폭 포토레지스트 상의 패턴 형성 방법 |
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US6861209B2 (en) | 2005-03-01 |
US20040106070A1 (en) | 2004-06-03 |
CN1504833A (zh) | 2004-06-16 |
CN1241070C (zh) | 2006-02-08 |
KR20040048811A (ko) | 2004-06-10 |
TW200422770A (en) | 2004-11-01 |
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