JP2014160670A - Lpp、euv光源駆動レーザシステム - Google Patents
Lpp、euv光源駆動レーザシステム Download PDFInfo
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- 229910052718 tin Inorganic materials 0.000 description 3
- 235000017899 Spathodea campanulata Nutrition 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
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- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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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—X-ray radiation generated from plasma
- H05G2/003—X-ray radiation generated from plasma being produced from a liquid or gas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
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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—X-ray radiation generated from plasma
- H05G2/003—X-ray radiation generated from plasma being produced from a liquid or gas
- H05G2/005—X-ray radiation generated from plasma being produced from a liquid or gas containing a metal as principal radiation generating component
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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—X-ray radiation generated from plasma
- H05G2/008—X-ray radiation generated from plasma involving a beam of energy, e.g. laser or electron beam in the process of exciting the plasma
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
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- Spectroscopy & Molecular Physics (AREA)
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- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
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Abstract
【解決手段】駆動レーザビームを生成する駆動レーザと、第1軸線を有する駆動レーザビーム第1経路と、第1経路から第2軸線を有する第2経路に駆動レーザビームを移送する駆動レーザ方向変換機構と、中央に位置する開口を有するEUV集光装置光学要素と、第2経路内にあり、開口内に位置決めされ、かつ第2軸線に沿って位置するプラズマ開始サイト上に駆動レーザビームを集束させる集束ミラーとを含むことができるレーザ生成プラズマEUVシステムを含むことができる装置及び方法。装置及び方法は、駆動レーザビームが、関連する幾何学形状の制限において実際的ではない場合に有効プラズマ生成エネルギで約100μm未満のEUVターゲット液滴上に集束させることが集束レンズを利用するような波長を有する駆動レーザによって生成されることを含むことができる。
【選択図】図4
Description
関連出願
本出願は、2005年8月31日出願の「LPP、EUV光源駆動レーザシステム」という名称の米国特許出願出願番号第11/217、161号に対する優先権を請求するものであり、代理人整理番号第2004−0023−01号である、2004年12月22日出願の「EUV光源光学要素」という名称の米国特許出願出願番号第11/021、261号と、代理人整理番号第2004−0008−01号である、2005年2月25日出願の「EUVプラズマ源ターゲット送出の方法及び装置」という名称の第11/067、124号と、代理人整理番号第2004−0088−01号である、2004年11月1日出願の「EUV集光装置デブリ管理」という名称の第10/979、945号と、代理人整理番号第2004−0064−01号である、2004年11月1日出願の「EUV光源」という名称の第10/979、919号と、代理人整理番号第2003−0125−01号である、2004年3月17日出願の「高繰返し数レーザ生成プラズマEUV光源」という名称の第10/803、526号と、代理人整理番号第2004−0044−01号である、2004年7月27日出願の「EUV光源」という名称の第10/900、839号と、代理人整理番号第2004−0117−01号である、2005年2月25日出願の「EUV光源内部構成要素をプラズマ生成デブリから保護するためのシステム」という名称の第11/067、099号と、代理人整理番号第2004−0107−01号である、2005年2月28日出願の「EUV、LPP駆動レーザ」という名称の第60/657、606号と、代理人整理番号第2004−0086−01号とに関連する2005年6月29日出願の米国特許出願出願番号第11/174、299号の一部継続出願であり、これらの特許の全ての開示内容は、この記載により引用によって組み込まれる。
R≒1−2/√(S*T)
ここで、Sは、金属の導電率(CGSシステムにおいて)、Tは、放射線の発振周期である。銅の場合、この式では、10.6μmに対しては約98.5%の反射率の推定値が得られる。Snの場合、反射率推定値は、96%である。
172 レーザ放射線
176 集束ビーム
180 集束ミラー
Claims (1)
- 駆動レーザビームを生成する駆動レーザと、
第1の軸線を有する駆動レーザビーム第1経路と、
前記第1経路から第2の軸線を有する第2経路に前記駆動レーザビームを移送する駆動レーザ方向変換機構と、
中央に位置する開口を有するEUV集光装置光学要素と、
前記第2経路内にあり、前記開口内に位置決めされ、かつ前記第2の軸線に沿って位置するプラズマ開始サイト上に前記駆動レーザビームを集束させる集束ミラーと、
を含むことを特徴とするレーザ生成プラズマEUVシステム。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/174,299 | 2005-06-29 | ||
US11/174,299 US7439530B2 (en) | 2005-06-29 | 2005-06-29 | LPP EUV light source drive laser system |
US11/217,161 US7482609B2 (en) | 2005-02-28 | 2005-08-31 | LPP EUV light source drive laser system |
US11/217,161 | 2005-08-31 |
Related Parent Applications (1)
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JP2008519481A Division JP5597885B2 (ja) | 2005-06-29 | 2006-06-27 | Lpp、euv光源駆動レーザシステム |
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JP2014160670A true JP2014160670A (ja) | 2014-09-04 |
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JP2014084934A Pending JP2014160670A (ja) | 2005-06-29 | 2014-04-16 | Lpp、euv光源駆動レーザシステム |
Country Status (5)
Country | Link |
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US (1) | US7482609B2 (ja) |
EP (2) | EP1907804B1 (ja) |
JP (1) | JP2014160670A (ja) |
KR (1) | KR101195847B1 (ja) |
WO (1) | WO2007005415A2 (ja) |
Cited By (2)
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US10126657B2 (en) | 2015-12-14 | 2018-11-13 | Gigaphoton Inc. | Extreme ultraviolet light generating apparatus |
US10420198B2 (en) | 2015-09-08 | 2019-09-17 | Gigaphoton Inc. | Extreme ultraviolet light generating apparatus |
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US7491954B2 (en) * | 2006-10-13 | 2009-02-17 | Cymer, Inc. | Drive laser delivery systems for EUV light source |
US7439530B2 (en) * | 2005-06-29 | 2008-10-21 | Cymer, Inc. | LPP EUV light source drive laser system |
US8654438B2 (en) * | 2010-06-24 | 2014-02-18 | Cymer, Llc | Master oscillator-power amplifier drive laser with pre-pulse for EUV light source |
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Also Published As
Publication number | Publication date |
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WO2007005415A2 (en) | 2007-01-11 |
EP1907804B1 (en) | 2012-05-30 |
EP2488002A3 (en) | 2013-03-06 |
US7482609B2 (en) | 2009-01-27 |
EP2488002B1 (en) | 2016-05-04 |
WO2007005415A3 (en) | 2008-11-20 |
EP1907804A4 (en) | 2010-01-13 |
US20060192152A1 (en) | 2006-08-31 |
KR101195847B1 (ko) | 2012-10-30 |
EP2488002A2 (en) | 2012-08-15 |
EP1907804A2 (en) | 2008-04-09 |
KR20080024535A (ko) | 2008-03-18 |
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