JP2008205443A5 - - Google Patents

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JP2008205443A5
JP2008205443A5 JP2008004842A JP2008004842A JP2008205443A5 JP 2008205443 A5 JP2008205443 A5 JP 2008205443A5 JP 2008004842 A JP2008004842 A JP 2008004842A JP 2008004842 A JP2008004842 A JP 2008004842A JP 2008205443 A5 JP2008205443 A5 JP 2008205443A5
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laser beam
semiconductor film
linear laser
scanning direction
semiconductor
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JP2008004842A
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JP2008205443A (ja
JP5377859B2 (ja
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Priority claimed from JP2008004842A external-priority patent/JP5377859B2/ja
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Publication of JP2008205443A5 publication Critical patent/JP2008205443A5/ja
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Publication of JP5377859B2 publication Critical patent/JP5377859B2/ja
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Claims (6)

  1. 基板上に半導体膜を形成し、
    線状のレーザビームを走査しながら、前記線状のレーザビームを前記半導体膜に照射して、前記半導体膜を完全に溶融させることで、結晶性半導体を形成し、
    前記結晶性半導体が形成された半導体膜を所定の形状に加工して、結晶性半導体膜を形成し、
    前記結晶性半導体膜にチャネル形成領域を有する素子を形成し、
    被照射面での前記線状のレーザビームの走査方向の幅は、前記結晶性半導体の結晶粒の、前記走査方向に対して垂直方向の幅同じ、又は前記垂直方向の幅よりも細いことを特徴とする半導体装置の作製方法。
  2. 請求項1において、前記被照射面での前記線状のレーザビームの前記走査方向の幅は、2μm未満であることを特徴とする半導体装置の作製方法。
  3. 基板上に半導体膜を形成し、
    前記半導体膜上にキャップ膜を形成し、
    線状のレーザビームを走査しながら、前記キャップ膜を通過させて、前記線状のレーザビームを前記半導体膜に照射して、前記半導体膜を完全に溶融させることで、結晶性半導体を形成し、
    前記結晶性半導体が形成された半導体膜を所定の形状に加工して、結晶性半導体膜を形成し、
    前記結晶性半導体膜にチャネル形成領域を有する素子を形成し、
    被照射面での前記線状のレーザビームの走査方向の幅は、前記結晶性半導体の結晶粒の、前記走査方向に対して垂直方向の幅同じ、又は前記垂直方向の幅よりも細いことを特徴とする半導体装置の作製方法。
  4. 請求項3において、前記被照射面での前記線状のレーザビームの前記走査方向の幅は、5μm以下であることを特徴とする半導体装置の作製方法。
  5. 請求項1乃至4のいずれか1項において、非球面シリンドリカルレンズまたは屈折率分布レンズにより、前記線状のレーザビームは前記走査方向に集光されていることを特徴とする半導体装置の作製方法。
  6. 請求項1乃至5のいずれか1項において、前記レーザビームは、連続発振のレーザビーム又は擬似連続発振のレーザビームであることを特徴とする半導体装置の作製方法。
JP2008004842A 2007-01-24 2008-01-11 半導体装置の作製方法 Expired - Fee Related JP5377859B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008004842A JP5377859B2 (ja) 2007-01-24 2008-01-11 半導体装置の作製方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007013868 2007-01-24
JP2007013868 2007-01-24
JP2008004842A JP5377859B2 (ja) 2007-01-24 2008-01-11 半導体装置の作製方法

Publications (3)

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JP2008205443A JP2008205443A (ja) 2008-09-04
JP2008205443A5 true JP2008205443A5 (ja) 2011-02-03
JP5377859B2 JP5377859B2 (ja) 2013-12-25

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JP (1) JP5377859B2 (ja)
KR (1) KR101397567B1 (ja)

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