JP2009044162A5 - - Google Patents

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JP2009044162A5
JP2009044162A5 JP2008224431A JP2008224431A JP2009044162A5 JP 2009044162 A5 JP2009044162 A5 JP 2009044162A5 JP 2008224431 A JP2008224431 A JP 2008224431A JP 2008224431 A JP2008224431 A JP 2008224431A JP 2009044162 A5 JP2009044162 A5 JP 2009044162A5
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precursor
dielectric material
molecule
substrate
dielectric
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JP4833268B2 (ja
JP2009044162A (ja
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Claims (12)

  1. Si、C、O、H元素を含む、誘電率2.8以下、引張応力45MPa未満、弾性率2から15GPa、硬さ0.2から2GPa、凝集強度1.7から4.5J/m、水中亀裂発達速度が1.1から2.8ミクロンの膜厚に対して1×10−10m/秒以下の誘電体材料を生成する方法において、
    (1)PECVDツール内のウェハー・チャックを100℃乃至425℃に加熱し、
    (2)前記ウェハ・チャック上に基板を配置し、
    (3)希ガスとSiCOH前駆物質の混合体の圧力を0.1乃至10トルに維持し、前記前駆物質は、テトラメチルシクロテトラシロキサン(TMCTS)またはオクタメ チルシクロテトラシロキサン(OMCTS)、ジエトキシメチルシラン(DEMS)、ジメチルジメトキシシラン(DMDMOS)、ジエチルメトキシシラン (DEDMOS)、ならびに関連環状および非環状シラン、シロキサンのいずれか1つを含み、
    (4)前記前駆物質の流量を50乃至3500mg/分に維持し、
    (5)前記PECVDツールのガス導入プレートに高周波エネルギを印加して誘電体材料を前記基板に付着させ、
    (6)前記誘電体付着後の処理として、熱エネルギー及び化学作用、電子ビーム、マイクロ波またはプラズマ・エネルギー源の少なくとも1つの第2のエネルギ源からの放射を印加する、前記方法。
  2. 前記誘電体材料が、共有結合3次元ネットワーク構造を有する、請求項1に記載の生成方法。
  3. 前記共有結合3次元ネットワーク構造がさらに、付着後の処理を用いて、ネットワークSi−O強度に対するケージSi−O強度の比が低下するFTIR吸光度スペクトルを生み出すSi−O結合を含む、請求項2に記載の誘電体材料。
  4. 前記誘電体材料の水との接触角が70°超である、請求項1に記載の方法。
  5. 前記誘電体材料がナノメートル・サイズの多数の細孔を含む、請求項1に記載の方法。
  6. 第2の前駆物質をさらに含み、前記第2の前駆物質が、環構造を有する分子と、炭化水素環に結合した枝分れ第三級ブチル基またはイソプロピル基を含む分子とからなるグループから選択された炭化水素分子を含む、請求項1に記載の方法。
  7. 前記第2の前駆物質が酸素を含む炭化水素分子である、請求項6に記載の方法。
  8. 前記第2の前駆物質が酸化シクロペンタン酸化物である、請求項7に記載の方法。
  9. 第3の前駆物質をさらに含み、前記第3の前駆物質がゲルマニウム水素化物またはGe源を含む他の反応物である、請求項6に記載の方法。
  10. 前記反応装置に酸化剤を供給するステップをさらに含む、請求項6に記載の方法。
  11. 前記前駆物質の流量が50乃至3500mg/分に維持される、請求項1に記載の方法。
  12. 前記PECVDツールのガス導入プレートに、周波数0.26、0.35、0.45若しくは13.6MHz、電力200乃至450Wの高周波エネルギを印加して前記誘電体材料を前記基板に付着させる、請求項1に記載の方法。
JP2008224431A 2004-01-16 2008-09-02 低誘電率および超低誘電率のSiCOH誘電体膜の形成方法 Expired - Fee Related JP4833268B2 (ja)

Applications Claiming Priority (2)

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US10/758,724 US7030468B2 (en) 2004-01-16 2004-01-16 Low k and ultra low k SiCOH dielectric films and methods to form the same
US10/758724 2004-01-16

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JP2005007763A Division JP4755831B2 (ja) 2004-01-16 2005-01-14 低誘電率および超低誘電率のSiCOH誘電体膜ならびにその形成方法

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JP2009044162A JP2009044162A (ja) 2009-02-26
JP2009044162A5 true JP2009044162A5 (ja) 2011-05-19
JP4833268B2 JP4833268B2 (ja) 2011-12-07

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JP2008224431A Expired - Fee Related JP4833268B2 (ja) 2004-01-16 2008-09-02 低誘電率および超低誘電率のSiCOH誘電体膜の形成方法

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JP (2) JP4755831B2 (ja)
CN (1) CN100378990C (ja)
TW (1) TWI324381B (ja)

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