JP5819993B2 - Euv光源内の光学系洗浄のためのシステム及び方法 - Google Patents
Euv光源内の光学系洗浄のためのシステム及び方法 Download PDFInfo
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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
- G03F7/70—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
-
- 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
-
- 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
-
- 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
- H05G2/008—Production of X-ray radiation generated from plasma involving an energy-carrying beam in the process of plasma generation
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Epidemiology (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Atmospheric Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Physics & Mathematics (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- X-Ray Techniques (AREA)
Description
本出願は、代理人整理番号2010−0007−01である2011年3月2日出願の「EUV光源における光学系洗浄のためのシステム及び方法」という名称の米国特許仮出願出願番号第61/464,278号に対する優先権を請求するものであり、かつ代理人整理番号2010−0007−02である2011年4月15日出願の「EUV光源における光学系洗浄のためのシステム及び方法」という名称の米国一般特許出願出願番号第13/088,166号に対する優先権も請求するものであり、両方の特許の開示内容全体は、引用により本明細書に組み込まれている。
12’ 露光デバイス
30’ 2次光放射体
40’ 中間焦点
45 プラズマ
Claims (9)
- チャンバと、
光学系と、
前記チャンバ内で、第1のターゲット材料液滴を用いて、EUV光放出プラズマを発生させて前記光学系上に堆積物を生成する1次EUV光放射体と、
ガスと、
前記チャンバ内で前記第1のターゲット材料液滴とは異なる第2のターゲット材料液滴からレーザ生成プラズマを発生させて前記ガスを用いて洗浄種を生成する2次光放射体と
を含む洗浄システムと
を含み、前記2次光放射体は、前記EUV光放出プラズマを生成するために前記1次EUV光放射体によって使用される第1のレーザ源とは異なる第2のレーザ源を使用する、極紫外(EUV)光源。 - 前記1次EUV光放射体は、レーザ生成プラズマである、請求項1に記載の光源。
- 前記1次EUV光放射体は、レーザ生成プラズマ及び放電生成プラズマから構成されるEUV光放射体の群から選択される、請求項1に記載の光源。
- 前記1次EUV光放射体は、レーザ生成プラズマであり、前記第1のレーザ源が、該1次EUV光放射体レーザ生成プラズマのためのレーザビームを発生させ、前記第2のレーザ源が、前記2次光放射体レーザ生成プラズマのためのレーザビームを発生させる、請求項1に記載の光源。
- 前記1次EUV光放射体は、レーザ生成プラズマであり、
前記光源が、前記1次EUV光放射体のための第1の原材料液滴と、前記2次光放射体のための前記第2のターゲット材料液滴とを発生させるのに使用される少なくとも1つの成分を有する材料送出システムを更に含む、請求項1に記載の光源。 - 前記2次光放射体は、ガス内の分解を生じる集束レーザビームを含む、請求項1に記載の光源。
- 前記ガスは、水素を含み、前記洗浄種は、水素ラジカルを含む、請求項1に記載の光源。
- 前記第1のターゲット材料液滴は、レーザビームとともに炭素を含む分子を含む、請求項1に記載の光源。
- 炭素を含む分子を有する前記材料は、油を含むことを特徴とする請求項8に記載の光源。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161464278P | 2011-03-02 | 2011-03-02 | |
US61/464,278 | 2011-03-02 | ||
US13/088,166 | 2011-04-15 | ||
US13/088,166 US8633459B2 (en) | 2011-03-02 | 2011-04-15 | Systems and methods for optics cleaning in an EUV light source |
PCT/US2012/025963 WO2012118644A1 (en) | 2011-03-02 | 2012-02-21 | Systems and methods for optics cleaning in an euv light source |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2014510404A JP2014510404A (ja) | 2014-04-24 |
JP2014510404A5 JP2014510404A5 (ja) | 2015-04-09 |
JP5819993B2 true JP5819993B2 (ja) | 2015-11-24 |
Family
ID=46752747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013556718A Active JP5819993B2 (ja) | 2011-03-02 | 2012-02-21 | Euv光源内の光学系洗浄のためのシステム及び方法 |
Country Status (6)
Country | Link |
---|---|
US (2) | US8633459B2 (ja) |
EP (1) | EP2681164A4 (ja) |
JP (1) | JP5819993B2 (ja) |
KR (1) | KR101909546B1 (ja) |
TW (1) | TWI573495B (ja) |
WO (1) | WO2012118644A1 (ja) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140102881A1 (en) * | 2012-10-12 | 2014-04-17 | Cymer Inc. | Method of and apparatus for in-situ repair of reflective optic |
NL2011533A (en) * | 2012-10-31 | 2014-05-06 | Asml Netherlands Bv | Method and apparatus for generating radiation. |
EP2959263B1 (en) | 2013-02-25 | 2022-12-07 | Kla-Tencor Corporation | Methods and apparatus for cleaning objects in a chamber of an optical instrument by generating reactive ions using photon radiation |
CN103197508B (zh) * | 2013-03-06 | 2014-11-12 | 华中科技大学 | 一种极紫外光照射下的光学表面污染与清洁模拟装置 |
WO2014147901A1 (ja) | 2013-03-21 | 2014-09-25 | ギガフォトン株式会社 | 極端紫外光生成装置及び極端紫外光の生成方法、並びにパルスレーザ光の集光ビーム計測装置及び集光ビーム計測方法 |
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KR20140023917A (ko) | 2014-02-27 |
WO2012118644A1 (en) | 2012-09-07 |
JP2014510404A (ja) | 2014-04-24 |
US8633459B2 (en) | 2014-01-21 |
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TWI573495B (zh) | 2017-03-01 |
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EP2681164A4 (en) | 2014-09-03 |
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