JP2005531144A5 - - Google Patents

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Publication number
JP2005531144A5
JP2005531144A5 JP2004515743A JP2004515743A JP2005531144A5 JP 2005531144 A5 JP2005531144 A5 JP 2005531144A5 JP 2004515743 A JP2004515743 A JP 2004515743A JP 2004515743 A JP2004515743 A JP 2004515743A JP 2005531144 A5 JP2005531144 A5 JP 2005531144A5
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JP
Japan
Prior art keywords
oxide layer
buried oxide
silicon
substrate
layer
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JP2004515743A
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English (en)
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JP4452883B2 (ja
JP2005531144A (ja
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Publication date
Priority claimed from US10/178,542 external-priority patent/US6680240B1/en
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Publication of JP2005531144A publication Critical patent/JP2005531144A/ja
Publication of JP2005531144A5 publication Critical patent/JP2005531144A5/ja
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Publication of JP4452883B2 publication Critical patent/JP4452883B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (12)

  1. 基板、前記基板上の埋め込み酸化層、及び前記埋め込み酸化層上のシリコン層を備えたシリコンオンインシュレータ(SOI)構造における埋め込み酸化層にリセス部をエッチングするステップを有し、前記シリコン層はトレンチを有し、前記埋め込み酸化層への前記リセス部のエッチングでは、前記シリコン層に前記トレンチを貫通してエッチングがなされ、かつ、前記埋め込み酸化層を通じて前記基板上で停止するようエッチングがなされ、
    前記埋め込み酸化層及び前記トレンチの前記リセス部に、前記シリコン層に実質的にひずみ量を導入する材料を充填するステップを有する、
    ひずみデバイス膜の形成方法。
  2. 前記リセス部(22)をエッチングする前記ステップは、前記埋め込み酸化層(12)を等方性エッチングする過程を含む、
    請求項記載の方法。
  3. 前記材料(24)は、窒化物である、
    請求項記載の方法。
  4. 前記埋め込み酸化層及び前記トレンチの前記リセス部を充填した後に平坦化を更に行う、請求項3記載の方法。
  5. 前記シリコン層上に半導体デバイスを形成する、請求項4記載の方法。
  6. 前記導入されたひずみは、圧縮応力である、請求項1記載の方法。
  7. 前記導入されたひずみは、引張応力である、請求項1記載の方法。
  8. 前記基板は、バルクSOIウェファである、請求項1記載の方法。
  9. 基板(10)を有し、
    前記基板上の埋め込み酸化層(12)を有し、
    前記埋め込み酸化層(12)上のシリコン島(18)を有し、このシリコン島(18)は、互いに間隙部(16)によって絶縁され、前記埋め込み酸化層(12)は、前記基板のみの上方でかつ前記間隙部(16)の直下にリセス部(22)を備え、かつ、前記リセス部(22)は、前記シリコン島(18)の下方に伸長している前記埋め込み酸化層(12)にアンダーカット領域(20)を含むものであり、
    前記リセス部(22)と前記間隙部(16)を充填する材料を含み、前記材料は、前記シリコン島(18)に実質的にひずみ量を導入するものである、
    ひずみシリコン膜を備えたシリコンオンインシュレータ(SOI)デバイス。
  10. 更に、前記シリコン島(18)上に半導体デバイス(26)を含む、
    請求項記載のSOIデバイス。
  11. 前記材料(24)は、窒化物である、
    請求項記載のSOIデバイス。
  12. 前記リセス部(22)は、前記間隙部の直下の第一部分と、前記シリコン島(18)の下方の第二部分を含む、
    請求項記載のSOIデバイス。
JP2004515743A 2002-06-25 2003-06-04 絶縁酸化物が部分的に置換されたひずみデバイス膜を備えたシリコンオンインシュレータデバイス及びその製造方法 Expired - Fee Related JP4452883B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/178,542 US6680240B1 (en) 2002-06-25 2002-06-25 Silicon-on-insulator device with strained device film and method for making the same with partial replacement of isolation oxide
PCT/US2003/017824 WO2004001798A2 (en) 2002-06-25 2003-06-04 A silicon-on-insulator device with strained device film and method for making the same with partial replacement of isolation oxide

Publications (3)

Publication Number Publication Date
JP2005531144A JP2005531144A (ja) 2005-10-13
JP2005531144A5 true JP2005531144A5 (ja) 2006-07-20
JP4452883B2 JP4452883B2 (ja) 2010-04-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004515743A Expired - Fee Related JP4452883B2 (ja) 2002-06-25 2003-06-04 絶縁酸化物が部分的に置換されたひずみデバイス膜を備えたシリコンオンインシュレータデバイス及びその製造方法

Country Status (8)

Country Link
US (1) US6680240B1 (ja)
EP (1) EP1516362A2 (ja)
JP (1) JP4452883B2 (ja)
KR (1) KR100996725B1 (ja)
CN (1) CN1333454C (ja)
AU (1) AU2003238916A1 (ja)
TW (1) TWI289895B (ja)
WO (1) WO2004001798A2 (ja)

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