JP2014510404A5 - - Google Patents

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Publication number
JP2014510404A5
JP2014510404A5 JP2013556718A JP2013556718A JP2014510404A5 JP 2014510404 A5 JP2014510404 A5 JP 2014510404A5 JP 2013556718 A JP2013556718 A JP 2013556718A JP 2013556718 A JP2013556718 A JP 2013556718A JP 2014510404 A5 JP2014510404 A5 JP 2014510404A5
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JP
Japan
Prior art keywords
laser
light emitter
light source
source
euv light
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JP2013556718A
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English (en)
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JP5819993B2 (ja
JP2014510404A (ja
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Priority claimed from US13/088,166 external-priority patent/US8633459B2/en
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Publication of JP2014510404A publication Critical patent/JP2014510404A/ja
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Claims (9)

  1. 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。
  2. 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。
  3. 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。
  4. 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。
  5. 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。
  6. 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。
  7. 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。
  8. 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。
  9. 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。
JP2013556718A 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 Active JP5819993B2 (ja)

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 true JP2014510404A5 (ja) 2015-04-09
JP5819993B2 JP5819993B2 (ja) 2015-11-24

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Country Status (6)

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US (2) US8633459B2 (ja)
EP (1) EP2681164A4 (ja)
JP (1) JP5819993B2 (ja)
KR (1) KR101909546B1 (ja)
TW (1) TWI573495B (ja)
WO (1) WO2012118644A1 (ja)

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