KR100814040B1 - 이머젼 리소그라피 결함 감소 - Google Patents
이머젼 리소그라피 결함 감소 Download PDFInfo
- Publication number
- KR100814040B1 KR100814040B1 KR1020060058705A KR20060058705A KR100814040B1 KR 100814040 B1 KR100814040 B1 KR 100814040B1 KR 1020060058705 A KR1020060058705 A KR 1020060058705A KR 20060058705 A KR20060058705 A KR 20060058705A KR 100814040 B1 KR100814040 B1 KR 100814040B1
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- KR
- South Korea
- Prior art keywords
- exposure
- fluid
- resist layer
- immersion lithography
- semiconductor substrate
- Prior art date
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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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70216—Mask projection systems
- G03F7/70341—Details of immersion lithography aspects, e.g. exposure media or control of immersion liquid supply
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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
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/38—Treatment before imagewise removal, e.g. prebaking
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Abstract
Description
Claims (16)
- 반도체 기판에 대해 이머젼 리소그라피를 수행하는 방법에 있어서,상기 반도체 기판의 표면 위에 레지스트층을 제공하는 단계;노광 중 유체를 이용하는 이머젼 리소그라피 노광 시스템(immersion lithography exposure system)을 이용하여 상기 레지스트층을 노광하는 단계;상기 유체의 어떤 잔류 부분들을 제거하기 위해 노광 후 및 노광후 베이크(post-exposure bake) 전 상기 레지스트층을 처리하는 단계;상기 레지스트층에 대해 상기 노광후 베이크를 수행하는 단계; 및상기 노광된 레지스트층을 현상하는 단계를 포함하며,상기 처리 단계는, 이머젼 리소그라피 노광 시스템의 노광시 이용되는 유체와 다른 액체를 이용하는, 반도체 기판에 대한 이머젼 리소그라피 수행 방법.
- 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,상기 액체는 초임계 이산화탄소 액체(supercritical carbon dioxide liquid), 이소프로필 알콜 액체(isopropyl alcohol liquid), 계면활성제 액체(surfactant liquid), 탈이온수 린스(de-ionized water rinse) 또는 산성용액 린스(acid solution rinse) 중 적어도 하나를 포함하는, 반도체 기판에 대한 이머젼 리소그라피 수행 방법.
- 제 1 항에 있어서,상기 처리 단계는 또한 진공 공정(vacuum process)을 이용하는, 반도체 기판에 대한 이머젼 리소그라피 수행 방법.
- 삭제
- 제 1 항에 있어서,상기 처리 단계는 또한 상기 노광후 베이크에 대한 프리-베이크(pre-bake) 이용하고, 상기 프리-베이크는 상기 노광후 베이크 동안 이용되는 온도보다 낮은 온도에서 수행되는, 반도체 기판에 대한 이머젼 리소그라피 수행 방법.
- 이머젼 리소그라피 공정에 사용하기 위한 처리 시스템에 있어서,상기 이머젼 리소그라피 공정에 의해 이용되는 리소그라피 유체와는 다른 처리 액체 유체를 분사하는 액체 유체 분사 시스템(liquid fluid injection system); 및상기 처리 유체 및 상기 리소그라피 유체의 어떤 잔류 부분들 모두를 제거하기 위한 수단을 포함하는, 처리 시스템.
- 제 9 항에 있어서,CDA, N2, 또는 Ar 가스 중 하나 이상을 분사하는 가스 유체 분사 시스템을 더 포함하는, 처리 시스템.
- 제 10 항에 있어서,상기 액체 유체 분사 시스템은 기판의 중심점으로부터 상기 기판의 에지로 스윙하는 노즐을 구비하는, 처리 시스템.
- 제 9 항에 있어서,상기 처리 액체 유체는 초임계 이산화탄소, 이소프로필 알콜, 또는 계면활성제 액체 중 하나 이상인, 처리 시스템.
- 제 9 항에 있어서, 스핀-건조 기구(spin-dry mechanism)를 더 포함하는, 처리 시스템.
- 제 9 항에 있어서, 진공 시스템(vacuum system)을 더 포함하는, 처리 시스템.
- 반도체 기판에 대해 이머젼 리소그라피를 수행하는 방법에 있어서,상기 반도체 기판의 표면 위에 레지스트층을 제공하는 단계;노광 중 유체를 이용하는 이머젼 리소그라피 노광 시스템(immersion lithography exposure system)을 이용하여 상기 레지스트층을 노광하는 단계;상기 유체의 어떤 잔류 부분들을 제거하기 위해 노광 후 및 노광후 베이크(post-exposure bake) 전 상기 레지스트층을 처리하는 단계;상기 레지스트층에 대해 상기 노광후 베이크를 수행하는 단계; 및상기 노광된 레지스트층을 현상하는 단계를 포함하며,상기 처리 단계는, 상기 노광후 베이크를 위한 프리-베이크(pre-bake)를 이용하고, 상기 프리-베이크는 상기 노광후 베이크동안 이용되는 온도보다 낮은 온도에서 수행되는, 반도체 기판에 대한 이머젼 리소그라피 수행 방법.
- 반도체 기판에 대해 이머젼 리소그라피를 수행하는 방법에 있어서,상기 반도체 기판의 표면 위에 레지스트층을 제공하는 단계;노광 중 유체를 이용하는 이머젼 리소그라피 노광 시스템(immersion lithography exposure system)을 이용하여 상기 레지스트층을 노광하는 단계;상기 유체의 어떤 잔류 부분들을 제거하기 위해 노광 후 및 노광후 베이크(post-exposure bake) 전 상기 레지스트층을 처리하는 단계;상기 레지스트층에 대해 상기 노광후 베이크를 수행하는 단계; 및상기 노광된 레지스트층을 현상하는 단계를 포함하며,상기 처리 단계는, 진공 공정을 이용하는, 반도체 기판에 대한 이머젼 리소그라피 수행 방법.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69556205P | 2005-06-30 | 2005-06-30 | |
US60/695,562 | 2005-06-30 | ||
US11/384,624 US20070002296A1 (en) | 2005-06-30 | 2006-03-20 | Immersion lithography defect reduction |
US11/384,624 | 2006-03-20 |
Publications (2)
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KR20070003602A KR20070003602A (ko) | 2007-01-05 |
KR100814040B1 true KR100814040B1 (ko) | 2008-03-17 |
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KR1020060058705A KR100814040B1 (ko) | 2005-06-30 | 2006-06-28 | 이머젼 리소그라피 결함 감소 |
Country Status (6)
Country | Link |
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US (1) | US20070002296A1 (ko) |
JP (1) | JP2007013163A (ko) |
KR (1) | KR100814040B1 (ko) |
CN (2) | CN102540761B (ko) |
NL (1) | NL1032068C2 (ko) |
TW (1) | TWI340299B (ko) |
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KR100599081B1 (ko) * | 2004-05-27 | 2006-07-13 | 삼성전자주식회사 | 포토레지스트 조성물 및 이를 사용한 패턴 형성방법 |
JP2006024692A (ja) * | 2004-07-07 | 2006-01-26 | Toshiba Corp | レジストパターン形成方法 |
US7463330B2 (en) * | 2004-07-07 | 2008-12-09 | Asml Netherlands B.V. | Lithographic apparatus and device manufacturing method |
US8003293B2 (en) * | 2004-09-30 | 2011-08-23 | Intel Corporation | Pixelated photoresists |
KR100574993B1 (ko) * | 2004-11-19 | 2006-05-02 | 삼성전자주식회사 | 포토레지스트용 탑 코팅 조성물과 이를 이용한포토레지스트 패턴 형성 방법 |
US20070006405A1 (en) * | 2005-07-07 | 2007-01-11 | Taiwan Semiconductor Manufacturing Co., Ltd. | Systems and methods for wafer cleaning |
US8383322B2 (en) * | 2005-08-05 | 2013-02-26 | Taiwan Semiconductor Manufacturing Company, Ltd. | Immersion lithography watermark reduction |
US7993808B2 (en) * | 2005-09-30 | 2011-08-09 | Taiwan Semiconductor Manufacturing Company, Ltd. | TARC material for immersion watermark reduction |
-
2006
- 2006-03-20 US US11/384,624 patent/US20070002296A1/en not_active Abandoned
- 2006-06-28 KR KR1020060058705A patent/KR100814040B1/ko active IP Right Grant
- 2006-06-28 JP JP2006178011A patent/JP2007013163A/ja active Pending
- 2006-06-28 NL NL1032068A patent/NL1032068C2/nl active Search and Examination
- 2006-06-29 CN CN201110461339.8A patent/CN102540761B/zh active Active
- 2006-06-29 CN CNA2006101000199A patent/CN1892436A/zh active Pending
- 2006-06-29 TW TW095123517A patent/TWI340299B/zh active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20050104096A (ko) * | 2004-04-28 | 2005-11-02 | 동부아남반도체 주식회사 | 이머전 리소그라피 공정의 액체 제거 장치 및 방법 |
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CN1892436A (zh) | 2007-01-10 |
NL1032068C2 (nl) | 2007-10-25 |
KR20070003602A (ko) | 2007-01-05 |
CN102540761A (zh) | 2012-07-04 |
CN102540761B (zh) | 2014-09-03 |
US20070002296A1 (en) | 2007-01-04 |
TW200700933A (en) | 2007-01-01 |
JP2007013163A (ja) | 2007-01-18 |
NL1032068A1 (nl) | 2007-01-04 |
TWI340299B (en) | 2011-04-11 |
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