JP6951257B2 - バッチ処理用注入器及びその使用方法 - Google Patents
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Description
Claims (12)
- 内部でサセプタアセンブリが複数の基板を保持するように構成されている、カルーセル型のALDバッチ処理チャンバのための、前記複数の基板に対してガスを供給するように構成された注入器ユニットであって、
前記注入器ユニットの長さに沿って延在する前端の反応性ガスポート、
前記注入器ユニットの前記長さに沿って延在する後端の反応性ガスポート、及び、
前記前端の反応性ガスポートと前記後端の反応性ガスポートの周りに境界を形成し、且つ、前記前端の反応性ガスポートと前記後端の反応性ガスポートを包囲する、混合真空ポートを備え、
前記混合真空ポートは、前記前端の反応性ガスポートと前記後端の反応性ガスポートからのガスが、前記境界から外に出て拡散することを妨げると同時に、前記境界の範囲内で混合することを可能とし、
回転する前記サセプタアセンブリ上の基板の移動方向に沿って、前記基板と最初に接する側を前端、その反対側を後端とし、
少なくとも1つの遠隔プラズマ源が前記前端の反応性ガスポート及び前記後端の反応性ガスポートのうちの1以上に連結されるように構成された
注入器ユニット。 - 内部でサセプタアセンブリが複数の基板を保持するように構成されているカルーセル型のALDバッチ処理チャンバのための、前記複数の基板に対してガスを供給するように構成された注入器ユニットであって、
前記注入器ユニットの長さに沿って延在する前端の反応性ガスポート、
前記注入器ユニットの前記長さに沿って延在する後端の反応性ガスポート、及び、
前記前端の反応性ガスポートと前記後端の反応性ガスポートの周りに境界を形成し、且つ、前記前端の反応性ガスポートと前記後端の反応性ガスポートを包囲する、混合真空ポートを備え、
前記注入器ユニットが、前記注入器ユニットの幅を画定する前縁と後縁、及び、前記前縁と前記後縁を連結し且つ前記注入器ユニットの長さを画定する、内側周縁端部と外側周縁端部を有し、
前記前縁と前記後縁が約60度から約120度までの範囲内の角度を形成するように、前記注入器ユニットが円の一部分を形成し、
回転する前記サセプタアセンブリ上の基板の移動方向に沿って、前記基板と最初に接する側を前端、その反対側を後端とし、
少なくとも1つの遠隔プラズマ源が前記前端の反応性ガスポート及び前記後端の反応性ガスポートのうちの1以上に連結されるように構成された
注入器ユニット。 - 前記混合真空ポートが、形状において前記注入器ユニットと共形である、請求項1または2に記載の注入器ユニット。
- 前記前端の反応性ガスポート又は前記後端の反応性ガスポートのうちの1以上に連結された、前記少なくとも1つの遠隔プラズマ源を更に備える、請求項1または2に記載の注入器ユニット。
- 前記少なくとも1つの遠隔プラズマ源が、前記前端の反応性ガスポートに連結された前端の遠隔プラズマ源と、前記後端の反応性ガスポートに連結された後端の遠隔プラズマ源とを含む、請求項4に記載の注入器ユニット。
- 前記混合真空ポートの一側部に隣接するパージガスポートを更に備える、請求項1または2に記載の注入器ユニット。
- 前記混合真空ポートの前記境界の範囲内で、前記前端の反応性ガスポートと前記後端の反応性ガスポートとの間に、少なくとも1つの中間ガスポートを更に備える、請求項1または2に記載の注入器ユニット。
- 内部でサセプタアセンブリが複数の基板を保持するように構成されているカルーセル型のALDバッチ処理チャンバのための、前記複数の基板に対してガスを供給するように構成されたガス分配アセンブリであって、
少なくとも1つの第1の注入器ユニットであって、その長さを画定する内側周縁端部と外側周縁端部を有し、各第1の注入器ユニットが、
前記第1の注入器ユニットの前記長さに沿って延在する第1の反応性ガスポート、
前記第1の反応性ガスポートを取り囲む第1の真空ポート、
前記第1の注入器ユニットの前記長さに沿って延在する、前記第1の真空ポートの一側部に隣接する第1のパージガスポート、
前記第1の注入器ユニットの前記長さに沿って延在する第2の反応性ガスポート、及び
前記第2の反応性ガスポートを取り囲む第2の真空ポートを備えた、少なくとも1つの第1の注入器ユニットと、
請求項1から7のいずれか一項に記載の注入器ユニットである、少なくとも1つの第2の注入器ユニットを備える、ガス分配アセンブリ。 - 前記第1の注入器ユニットと前記第2の注入器ユニットの各々の間に、パージガスポートを更に備える、請求項8に記載のガス分配アセンブリ。
- 前記ガス分配アセンブリの面に隣接して回転する基板が、順番に、真空流れ、前記第1の反応性ガスポートからの第1の反応性ガス、真空流れ、パージガス、真空流れ、前記第2の反応性ガスポートからの第2の反応性ガス、真空流れ、パージガス、真空流れ、前記前端の反応性ガスポートからの前端の反応性ガス、前記後端の反応性ガスポートからの後端の反応性ガス、及び真空流れに晒されるように、交互の構成で配置された、2つの第1の注入器ユニットと2つの第2の注入器ユニットが存在する、請求項9に記載のガス分配アセンブリ。
- 内部でサセプタアセンブリが複数の基板を保持するように構成され、前記複数の基板に対してガスを供給するように構成されたカルーセル型のALDバッチ処理チャンバであって、
内側周縁端部と外側周縁端部を有する円形のガス分配アセンブリを備え、前記ガス分配アセンブリが、第1の注入器ユニットと第2の注入器ユニットが交互になるように配置された、2つの前記第1の注入器ユニットと2つの前記第2の注入器ユニットを備え、前記第2の注入器ユニットが請求項1から7のいずれか一項に記載の注入器ユニットであり、
各第1の注入器ユニットが、
前記第1の注入器ユニットの長さに沿って延在する第1の反応性ガスポート、
前記第1の反応性ガスポートを取り囲む第1の真空ポート、
前記第1の真空ポートの一側部に隣接する第1のパージガスポート、
前記第1の注入器ユニットの長さに沿って延在する第2の反応性ガスポート、及び
前記第2の反応性ガスポートを取り囲む第2の真空ポートを備え、
前記処理チャンバが、更に、
前記円形のガス分配アセンブリに面する頂面を有するサセプタアセンブリであって、前記頂面が内部に複数の凹部を有し、各凹部が処理中に基板を支持するようにサイズ決定された、サセプタアセンブリを備える、処理チャンバ。 - 基板表面を有する基板を、複数の注入器ユニットを含むガス分配アセンブリを備えた処理チャンバの中へ配置すること、
前記基板表面の少なくとも一部分を、第1の真空ポートによって取り囲まれた第1の反応性ガスポートからの第1の反応性ガスに晒すこと、
ガスカーテンを通して前記基板表面を横方向に移動させること、
前記基板表面の少なくとも一部分を、第2の真空ポートによって取り囲まれた第2の反応性ガスポートからの第2の反応性ガスに晒すこと、
ガスカーテンを通して前記基板表面を横方向に移動させること、
前記基板表面の少なくとも一部分を、混合真空ポート内に包囲された混合処理領域であって、前端の反応性ガスポートからの前端の反応性ガスと後端の反応性ガスポートからの後端の反応性ガスを含む、混合処理領域に晒すこと、及び
ガスカーテンを通して前記基板表面を横方向に移動させること、を含み、
前記前端の反応性ガスと前記後端の反応性ガスは、プラズマが前記混合処理領域中へ流れるように、少なくとも1つの遠隔プラズマ源を通って流れ、
前記処理チャンバは、内部でサセプタアセンブリが複数の基板を保持するように構成されたカルーセル型のALDバッチ処理チャンバであり、
回転する前記サセプタアセンブリ上の基板の移動方向に沿って、前記基板と最初に接する側を前端、その反対側を後端とする、
処理方法。
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