KR100618138B1 - 입자오염으로부터 리소그래피 소자를 보호하는 방법 - Google Patents
입자오염으로부터 리소그래피 소자를 보호하는 방법 Download PDFInfo
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- KR100618138B1 KR100618138B1 KR1020007011929A KR20007011929A KR100618138B1 KR 100618138 B1 KR100618138 B1 KR 100618138B1 KR 1020007011929 A KR1020007011929 A KR 1020007011929A KR 20007011929 A KR20007011929 A KR 20007011929A KR 100618138 B1 KR100618138 B1 KR 100618138B1
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- Prior art keywords
- thermal
- wall
- coating
- gas
- reticle
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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
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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
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
- G03F7/70858—Environment aspects, e.g. pressure of beam-path gas, temperature
- G03F7/70866—Environment aspects, e.g. pressure of beam-path gas, temperature of mask or workpiece
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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
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
- G03F7/70983—Optical system protection, e.g. pellicles or removable covers for protection of mask
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Epidemiology (AREA)
- Environmental & Geological Engineering (AREA)
- Public Health (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
Abstract
Description
Claims (27)
- a) 시스템 챔버(105) 내부에 존재하고, 높은 전기전도성 및 열전도성을 가진 물질로 구성된 벽(110)을 보유하고, 하나 이상의 가스주입 수단(130) 및 펌핑수단에 의해 대기압 이하의 낮은 압력이 유지되는 시스템 챔버(105)와 비교하여 열경사 피막(100) 내부에 국소적으로 압력이 높은 영역을 유지시키기 위하여 가스 유출속도를 제어하는 하나 이상의 어퍼튜어(aperture)(135)가 제공되는 열경사 피막(100);b) 열경사 피막(100) 내부에 존재하고, 입자 침적물로부터 보호되는 표면을 보유하는 기질-상기 하나 이상의 어퍼튜어(135)는 상기 시스템 챔버(105)로부터 상기 기질의 상기 표면(125)에의 시야 접근통로를 제공하고, 상기 하나 이상의 가스 주입수단(130) 및 상기 하나 이상의 어퍼튜어(135)는 상기 기질의 표면(125)과 평행하고 거리를 두어 위치됨-: 및c) 상기 기질의 표면(125)과 열경사 피막(100)의 벽(110) 사이에 온도경사를 발생 및 유지시키는 수단-상기 기질의 표면(125)은 상기 엔클로져 벽(110)의 온도보다 높음-을 포함하는 것을 특징으로 하는 입자침적으로부터 표면을 보호하는 장치.
- 제1항에 있어서, 상기 기질의 표면(125)과 상기 열경사 피막(100)의 벽(110) 사이에 적어도 온도경사가 1 oK/cm인 것을 특징으로 하는 장치.
- 제1항에 있어서, 상기 보호되는 표면(125)이 아래를 향하여 배향되는 것을 특징으로 하는 장치.
- 제1항에 있어서, 상기 기질의 표면(125)과 열경사 피막(100)의 벽(110) 사이에 전기장을 제거하는 수단을 추가로 포함하는 것을 특징으로 하는 장치.
- a) 리소그래피(lithography) 시스템 챔버(105) 내부에 존재하고, 높은 전기전도성 및 열전도성을 가진 물질로 구성된 벽(110)을 보유하고, 하나 이상의 가스주입 수단(130) 및 펌핑수단에 의해 대기압 이하의 낮은 압력이 유지되는 시스템 챔버(105)와 비교하여 열경사 피막(100) 내부에 국소적으로 압력이 높은 영역을 유지시키기 위하여 가스 유출속도를 제어하는 하나 이상의 어퍼튜어(aperture)(135)가 제공되는 열경사 피막(100);b) 열경사 피막(100) 내부에 존재하고, 입자침적으로부터 보호되는 전표면(front surface)(125)과 후표면(back surface)을 보유하는 레티클(120)-상기 후표면은 적층수단(126)상에 비치되며, 상기 하나 이상의 어퍼튜어(135)가 시스템 챔버(105)로부터 레티클(reticle)(120) 전표면(125)으로의 시야 접근통로 라인을 제공하고, 상기 가스주입 수단(130) 및 상기 하나 이상의 어퍼튜어(135)는 가스흐름을 제공하기 위하여 레티클(120) 전표면(125)과 평행하고 거리를 두어 위치됨-;c) 상기 레티클(120)의 전표면(125)과 열경사 피막(100)의 벽(110) 사이의 전기장을 제거하는 수단; 및d) 상기 레티클(120) 전표면(125)과 열경사 피막(100) 벽(110) 사이의 온도경사를 발생시키는 수단-사이 전표면(125)의 온도가 벽(110)의 온도보다 높음-을 포함하여 낮은 압력의 리소그래피 시스템 챔버중에서 입자오염으로부터 레티클 표면을 보호하는 것을 특징으로 하는 장치.
- 제5항에 있어서, 상기 적층수단(126)은 정전기 척(chuck) 또는 x-y-z- 스테이지(stage)를 포함하는 것을 특징으로 하는 장치.
- 제5항에 있어서, 상기 적층수단(126)이 방사열, 대류열, 또는 전도열의 근원을 제공하는 것을 특징으로 하는 장치.
- 제5항에 있어서, 상기 레티클(120)의 전표면(125)과 상기 열경사 피막(100)의 벽(110) 사이의 온도경사가 적어도 1 oK/cm인 것을 특징으로 하는 장치.
- 제5항에 있어서, 상기 열경사 피막(100) 내부 압력이 1 mTorr 이상인 것을 특징으로 하는 장치.
- 제5항에 있어서, 상기 열경사 피막(100) 내부 압력이 30 mTorr 이상인 것을 특징으로 하는 장치.
- 제5항에 있어서, 상기 시스템 챔버(105) 내부 압력이 100 mTorr 이하인 것을 특징으로 하는 장치.
- 제5항에 있어서, 상기 가스가 저분자량 가스인 것을 특징으로 하는 장치.
- 제12항에 있어서, 상기 가스가 H2 또는 He인 것을 특징으로 하는 장치.
- 제1항에 있어서, 상기 가스가 Ne, Ar, N2 또는 공기를 포함하는 것을 특징으로 하는 장치.
- 제1항에 있어서, 상기 열경사 피막(100)의 벽(110)이 금속으로 제조되는 것을 특징으로 하는 장치.
- 제15항에 있어서, 상기 금속은 구리, 알루미늄, 황동, 몰리브덴, 또는 스텐레스 스틸인 것을 특징으로 하는 장치.
- 제5항에 있어서, 상기 레티클(120) 전표면(125)이 아래를 향하여 배향되는 것을 특징으로 하는 장치.
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/071,359 US6153044A (en) | 1998-04-30 | 1998-04-30 | Protection of lithographic components from particle contamination |
US09/071,359 | 1998-04-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010061934A KR20010061934A (ko) | 2001-07-07 |
KR100618138B1 true KR100618138B1 (ko) | 2006-08-31 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020007011929A KR100618138B1 (ko) | 1998-04-30 | 1999-03-26 | 입자오염으로부터 리소그래피 소자를 보호하는 방법 |
Country Status (7)
Country | Link |
---|---|
US (2) | US6153044A (ko) |
EP (1) | EP1075672B1 (ko) |
JP (1) | JP2003522400A (ko) |
KR (1) | KR100618138B1 (ko) |
AU (1) | AU3208899A (ko) |
DE (2) | DE69902772T2 (ko) |
WO (1) | WO1999057607A1 (ko) |
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US5581324A (en) * | 1993-06-10 | 1996-12-03 | Nikon Corporation | Thermal distortion compensated projection exposure method and apparatus for manufacturing semiconductors |
JP3365571B2 (ja) * | 1993-11-10 | 2003-01-14 | 株式会社ニコン | 光学式計測装置及び露光装置 |
EP0676672B1 (en) * | 1994-04-08 | 2003-06-11 | Canon Kabushiki Kaisha | Processing method and apparatus for a resist-coated substrate |
US5888579A (en) * | 1996-07-29 | 1999-03-30 | Texas Instruments-Acer Incorporated | Method and apparatus for preventing particle contamination in a process chamber |
US6161311A (en) * | 1998-07-10 | 2000-12-19 | Asm America, Inc. | System and method for reducing particles in epitaxial reactors |
US6106634A (en) * | 1999-02-11 | 2000-08-22 | Applied Materials, Inc. | Methods and apparatus for reducing particle contamination during wafer transport |
-
1998
- 1998-04-30 US US09/071,359 patent/US6153044A/en not_active Expired - Lifetime
-
1999
- 1999-03-26 EP EP99914187A patent/EP1075672B1/en not_active Expired - Lifetime
- 1999-03-26 JP JP2000547518A patent/JP2003522400A/ja active Pending
- 1999-03-26 DE DE69902772T patent/DE69902772T2/de not_active Expired - Lifetime
- 1999-03-26 KR KR1020007011929A patent/KR100618138B1/ko not_active IP Right Cessation
- 1999-03-26 AU AU32088/99A patent/AU3208899A/en not_active Abandoned
- 1999-03-26 WO PCT/US1999/006660 patent/WO1999057607A1/en active IP Right Grant
- 1999-03-26 DE DE1075672T patent/DE1075672T1/de active Pending
-
2000
- 2000-08-18 US US09/642,222 patent/US6253464B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69902772D1 (de) | 2002-10-10 |
WO1999057607A1 (en) | 1999-11-11 |
DE1075672T1 (de) | 2001-08-23 |
US6153044A (en) | 2000-11-28 |
US6253464B1 (en) | 2001-07-03 |
EP1075672A1 (en) | 2001-02-14 |
DE69902772T2 (de) | 2003-05-28 |
JP2003522400A (ja) | 2003-07-22 |
KR20010061934A (ko) | 2001-07-07 |
AU3208899A (en) | 1999-11-23 |
EP1075672B1 (en) | 2002-09-04 |
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