JP5001656B2 - 半導体ウェハ処理方法 - Google Patents
半導体ウェハ処理方法 Download PDFInfo
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- JP5001656B2 JP5001656B2 JP2006541584A JP2006541584A JP5001656B2 JP 5001656 B2 JP5001656 B2 JP 5001656B2 JP 2006541584 A JP2006541584 A JP 2006541584A JP 2006541584 A JP2006541584 A JP 2006541584A JP 5001656 B2 JP5001656 B2 JP 5001656B2
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Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4412—Details relating to the exhausts, e.g. pumps, filters, scrubbers, particle traps
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45563—Gas nozzles
- C23C16/45565—Shower nozzles
Description
[0060]しかしながら、別の実施形態では、シャワーヘッドにおける排気アパーチャー面積の増加は、半径に対して非直線的でもよい。このような非直線的な関係は、例えば、半径方向距離の平方と共に排気面積を増加するように、距離と共に単調に増加又は減少する関数の形態をとることができる。
Claims (15)
- 半導体ワークピースを処理する方法において、
プロセスチャンバー内のサセプタ上に半導体ワークピースを配置するステップと、
前記半導体ワークピースをスピンさせるステップと、
ガス分配フェースプレートに位置された第1の複数のオリフィスを通して前記半導体ワークピースへプロセスガスを流すステップと、
チャンバー排気ポート、及び上記ガス分配フェースプレートに位置された第2の複数のオリフィスを通して、上記半導体ワークピース上からガスを除去するステップと
を備え、
前記第2の複数のオリフィスの密度は前記半導体ワークピースの中心から径方向に増加する一方、前記第1の複数のオリフィスの密度は一定である
ことを特徴とする方法。 - 上記プロセスガスを流す前に上記チャンバー排気ポートのみを経て上記ガスを除去するステップを更に備えた、請求項1に記載の方法。
- 上記プロセスガスを流す前に上記チャンバー排気ポート及び上記第2の複数のオリフィスを経て上記ガスを除去するステップを更に備えた、請求項1に記載の方法。
- 上記チャンバー排気ポートのみを経て最初に前記ガスを除去するステップを更に備えた、請求項1に記載の方法。
- 処理中に上記チャンバー排気ポートを通る前記ガスの除去率を調整するステップを更に備えた、請求項1に記載の方法。
- 処理中に上記第2の複数のオリフィスを通る前記ガスの除去率を調整するステップを更に備えた、請求項1に記載の方法。
- チャンバー内で半導体ウェハを処理する方法において、
半導体ウェハを上記チャンバーに挿入するステップと、
チャンバー排気ポートのみを通して上記チャンバーをガス抜きするステップと、
その後、シャワーヘッドの表面に配置された第1の複数のオリフィスを通して少なくとも1つのプロセスガスを導入するステップと、
上記チャンバー排気ポートを通してガスを除去するステップと、
上記シャワーヘッドの表面に位置された第2の複数のオリフィスを通してガスを除去するステップと
を備え、
前記第2の複数のオリフィスの密度は前記半導体ワークピースの中心から径方向に増加する一方、前記第1の複数のオリフィスの密度は一定である
ことを特徴とする方法。 - 上記複数の第2のオリフィスを通して除去されるより多量のガスが、上記チャンバー排気ポートを通して除去される、請求項7に記載の方法。
- 上記チャンバー排気ポート及び上記第2の複数のオリフィスを通してのガスの除去は実質的に同時に行われる、請求項7に記載の方法。
- 半導体ウェハに堆積される膜の特性の均一性を制御する方法において、
プロセスチャンバーにウェハを位置させるステップと、
フェースプレートに位置された第1の複数のオリフィスを通して上記ウェハにガスを導入するステップと、
上記フェースプレートに位置された第2の複数のオリフィスを通して上記ガスを除去するとともに、チャンバー排気ポートを通して上記ガスを除去するステップであって、上記チャンバー排気ポートを通じた上記ガスの除去率が、プロセス中に調整されるステップと、
を備えた方法。 - 上記ガスを流す前に、上記チャンバー排気ポートのみを通じて上記チャンバーのガス抜きするステップを更に備えた、請求項10に記載の方法。
- 上記ガスを流す前に、上記チャンバー排気ポート及び上記第2の複数のオリフィスを通じて上記チャンバーをガス抜きするステップを更に備えた、請求項10に記載の方法。
- 上記チャンバー排気ポートのみを通して最初に上記ガスを除去するステップを更に備えた、請求項10に記載の方法。
- 上記第2の複数のオリフィスのみを通して最初に上記ガスを除去するステップを更に備えた、請求項10に記載の方法。
- 上記第2の複数のオリフィスを通るガスの除去率が処理中に調整される、請求項10に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/717,881 US20050103265A1 (en) | 2003-11-19 | 2003-11-19 | Gas distribution showerhead featuring exhaust apertures |
US10/717,881 | 2003-11-19 | ||
PCT/US2004/039065 WO2005052998A2 (en) | 2003-11-19 | 2004-11-19 | Gas distribution showerhead featuring exhaust apertures |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007525021A JP2007525021A (ja) | 2007-08-30 |
JP5001656B2 true JP5001656B2 (ja) | 2012-08-15 |
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Application Number | Title | Priority Date | Filing Date |
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JP2006541584A Expired - Fee Related JP5001656B2 (ja) | 2003-11-19 | 2004-11-19 | 半導体ウェハ処理方法 |
Country Status (6)
Country | Link |
---|---|
US (2) | US20050103265A1 (ja) |
JP (1) | JP5001656B2 (ja) |
KR (1) | KR101081628B1 (ja) |
CN (1) | CN101120122B (ja) |
TW (1) | TWI332997B (ja) |
WO (1) | WO2005052998A2 (ja) |
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US7452827B2 (en) | 2008-11-18 |
CN101120122B (zh) | 2011-02-16 |
TWI332997B (en) | 2010-11-11 |
US20050103265A1 (en) | 2005-05-19 |
JP2007525021A (ja) | 2007-08-30 |
US20060234514A1 (en) | 2006-10-19 |
WO2005052998A9 (en) | 2009-05-07 |
TW200526799A (en) | 2005-08-16 |
WO2005052998A2 (en) | 2005-06-09 |
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