KR101087621B1 - 방사선 시스템 및 리소그래피 장치 - Google Patents
방사선 시스템 및 리소그래피 장치 Download PDFInfo
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- G—PHYSICS
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- 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
- G03F7/70908—Hygiene, e.g. preventing apparatus pollution, mitigating effect of pollution or removing pollutants from apparatus
- G03F7/70933—Purge, e.g. exchanging fluid or gas to remove pollutants
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- 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
- G03F7/20—Exposure; Apparatus therefor
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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
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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
- G03F7/70883—Environment aspects, e.g. pressure of beam-path gas, temperature of optical system
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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
- G03F7/70908—Hygiene, e.g. preventing apparatus pollution, mitigating effect of pollution or removing pollutants from apparatus
- G03F7/70916—Pollution mitigation, i.e. mitigating effect of contamination or debris, e.g. foil traps
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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
- G03F7/70908—Hygiene, e.g. preventing apparatus pollution, mitigating effect of pollution or removing pollutants from apparatus
- G03F7/70925—Cleaning, i.e. actively freeing apparatus from pollutants, e.g. using plasma cleaning
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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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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G2/00—Apparatus or processes specially adapted for producing X-rays, not involving X-ray tubes, e.g. involving generation of a plasma
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G2/00—Apparatus or processes specially adapted for producing X-rays, not involving X-ray tubes, e.g. involving generation of a plasma
- H05G2/001—Production of X-ray radiation generated from plasma
- H05G2/003—Production of X-ray radiation generated from plasma the plasma being generated from a material in a liquid or gas state
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G2/00—Apparatus or processes specially adapted for producing X-rays, not involving X-ray tubes, e.g. involving generation of a plasma
- H05G2/001—Production of X-ray radiation generated from plasma
- H05G2/003—Production of X-ray radiation generated from plasma the plasma being generated from a material in a liquid or gas state
- H05G2/005—Production of X-ray radiation generated from plasma the plasma being generated from a material in a liquid or gas state containing a metal as principal radiation generating component
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- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
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Abstract
Description
Claims (47)
- 방사선 공간 내에 방사선 빔을 발생시키는 방사선 시스템에 있어서:극자외 방사선을 발생시키도록 구성되고 배치된 플라즈마 생성 방전 소스(plasma produced discharge source)- 상기 플라즈마 생성 방전 소스는 전압 차가 제공되도록 구성되고 배치된 한 쌍의 전극들, 및 상기 전극들 사이에 핀치 플라즈마(pinch plasma)를 제공하기 위해 상기 한 쌍의 전극들 사이에 방전을 생성하도록 구성되고 배치된 시스템을 포함함 -; 및상기 전극들로부터 잔해를 포획하고, 상기 방사선 공간 내에 제공된 조준선(line of sight)으로부터 상기 전극들을 차폐하며, 상기 조준선 내의 상기 전극들 사이의 중심 영역에 어퍼처(aperture)를 제공하도록 구성되고 배치된 잔해 포획 차폐물(debris catching shield)을 포함하는 방사선 시스템.
- 제 1 항에 있어서,상기 잔해 포획 차폐물은 적어도 1 이상의 유체 분사(fluid jet)를 포함하는 방사선 시스템.
- 제 2 항에 있어서,상기 유체 분사는 용융 주석 또는 주석 화합물을 포함하는 방사선 시스템.
- 제 1 항에 있어서,상기 잔해 포획 차폐물은, 상기 전극들의 종축(longitudinal axis)에 마주하여, 또한 일반적으로 평행하게 배치된 한 쌍의 유체 분사들에 의해 제공되는 방사선 시스템.
- 제 2 항에 있어서,상기 잔해 포획 차폐물은 상기 중심 영역에 대해 반경 방향(radial direction)으로 배치된 복수의 유체 분사들을 포함하는 방사선 시스템.
- 제 1 항에 있어서,상기 잔해 포획 차폐물은 상기 중심 영역에 대해 일반적으로 반경방향으로 방위된 판(platelet)들의 정적 구성을 포함하고, 상기 판들은 상기 판들 사이에 제공된 조준선으로부터 상기 전극들을 차폐하도록 방위되는 방사선 시스템.
- 제 6 항에 있어서,상기 판들 간의 거리는, 광학 축선으로부터 멀어지는 거리들에 비례하여 증가되는 방사선 시스템.
- 제 6 항에 있어서,상기 전극들과 상기 차폐물 사이에 전자기 편향 필드(electromagnetic deflecting field)를 적용하도록 배치된 전자기 편향 필드 유닛을 더 포함하는 방사선 시스템.
- 제 8 항에 있어서,상기 전자기 편향 필드 유닛은 정적 자기장을 제공하는 방사선 시스템.
- 제 6 항에 있어서,상기 판들을 통해 수소 라디칼(hydrogen radical)들을 안내하는 수소 라디칼 공급 시스템을 더 포함하는 방사선 시스템.
- 제 6 항에 있어서,상기 판들의 적어도 일부는 유체 분사에 의해 제공되는 방사선 시스템.
- 제 11 항에 있어서,상기 유체 분사는 용융 주석 또는 주석 화합물을 포함하는 방사선 시스템.
- 제 1 항에 있어서,상기 잔해 포획 차폐물로부터 상기 잔해를 증발시키는 온도로 상기 잔해 포획 차폐물의 온도를 상승시키도록 선택적으로 가열될 수 있는 가열 시스템; 및 상기 잔해 포획 차폐물로부터 상기 증발된 잔해를 비우도록 가스 흐름을 제공하는 가스 공급 시스템을 더 포함하는 방사선 시스템.
- 제 6 항에 있어서,상기 판들의 기계적 자극(mechanical excitation)을 통해 상기 판들로부터 상기 잔해를 제거하는 자극기(excitator)를 더 포함하는 방사선 시스템.
- 리소그래피 장치에 있어서:방사선 공간 내에 정의되는 방사선 빔을 발생시키도록 구성되고 배치된 방사선 시스템- 상기 방사선 시스템은:극자외 방사선을 발생시키도록 구성되고 배치된 플라즈마 생성 방전 소스- 상기 플라즈마 생성 방전 소스는 전압 차가 제공되도록 구성되고 배치된 한 쌍의 전극들, 및 상기 전극들 사이에 핀치 플라즈마를 제공하기 위해 상기 한 쌍의 전극들 사이에 방전을 생성하도록 구성되고 배치된 시스템을 포함함 -; 및상기 전극들로부터 잔해를 포획하고, 상기 방사선 공간 내에 제공된 조준선으로부터 상기 전극들을 차폐하며, 상기 조준선 내의 상기 전극들 사이의 중심 영역에 어퍼처를 제공하도록 구성되고 배치된 잔해 포획 차폐물을 포함함 -;상기 방사선 빔을 패터닝하도록 구성되고 배치된 패터닝 디바이스; 및기판 상에 상기 패터닝된 방사선 빔을 투영하도록 구성되고 배치된 투영 시스템을 포함하는 리소그래피 장치.
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Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US11/637,936 US7696492B2 (en) | 2006-12-13 | 2006-12-13 | Radiation system and lithographic apparatus |
US11/637,936 | 2006-12-13 | ||
PCT/NL2007/050598 WO2008072959A2 (en) | 2006-12-13 | 2007-11-27 | Radiation system and lithographic apparatus |
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KR20090087921A KR20090087921A (ko) | 2009-08-18 |
KR101087621B1 true KR101087621B1 (ko) | 2011-11-29 |
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US (2) | US7696492B2 (ko) |
EP (1) | EP2092394A2 (ko) |
JP (2) | JP2010514156A (ko) |
KR (1) | KR101087621B1 (ko) |
CN (2) | CN101611351B (ko) |
TW (1) | TW200846834A (ko) |
WO (1) | WO2008072959A2 (ko) |
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Also Published As
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KR20090087921A (ko) | 2009-08-18 |
US20080142736A1 (en) | 2008-06-19 |
EP2092394A2 (en) | 2009-08-26 |
US20100141909A1 (en) | 2010-06-10 |
JP2012109613A (ja) | 2012-06-07 |
TW200846834A (en) | 2008-12-01 |
CN101611351B (zh) | 2012-06-13 |
WO2008072959A2 (en) | 2008-06-19 |
CN102289158A (zh) | 2011-12-21 |
US7696492B2 (en) | 2010-04-13 |
WO2008072959A3 (en) | 2008-08-07 |
CN102289158B (zh) | 2014-06-11 |
JP2010514156A (ja) | 2010-04-30 |
CN101611351A (zh) | 2009-12-23 |
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