JP7107917B2 - 基板処理装置用ガス噴射装置および基板処理装置 - Google Patents
基板処理装置用ガス噴射装置および基板処理装置 Download PDFInfo
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- 229910052786 argon Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
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- 238000005530 etching Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009832 plasma treatment Methods 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
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- 230000003247 decreasing effect Effects 0.000 description 1
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Description
Claims (19)
- 処理チャンバー、
複数の基板を支持するように前記処理チャンバー内に設置される基板支持部、
前記処理チャンバーの上部を覆うチャンバー蓋部、および
前記チャンバー蓋部に設置されて前記基板支持部へ向けてプロセスガスを噴射するプロセスガス噴射部を含み、
前記プロセスガス噴射部が、前記チャンバー蓋部に設置される噴射部本体と、前記基板支持部へ向けて噴射するプロセスガスが注入される第1注入孔、および前記基板支持部へ向けて噴射するプロセスガスが注入される第2注入孔を含み、
前記第1注入孔および前記第2注入孔は、前記噴射部本体において互いに異なる位置に形成され、
さらに前記プロセスガス噴射部が、前記噴射部本体に形成された複数の第1噴射孔、および前記第1噴射孔から離隔した位置で前記噴射部本体に形成された複数の第2噴射孔を含み、
前記第1噴射孔は、前記基板支持部に対して平行な面内で前記噴射部本体を横切る第1軸方向に対して垂直な、前記基板支持部に対して平行な面内で前記噴射部本体を横切る第2軸方向について、前記第2噴射孔よりも長い長さで形成され、
前記第2噴射孔は、前記第1軸方向を基準として、前記第1噴射孔の両側に位置するように配置される、
ことを特徴とする基板処理装置。 - 前記プロセスガス噴射部が、前記基板支持部の方を向いたプラズマ電極を含み、
前記プラズマ電極は、第1プラズマ電極と第2プラズマ電極で構成され、前記第2プラズマ電極は、前記プラズマ電極から前記基板支持部に向かう方向に垂直な方向について、前記第1プラズマ電極よりも短いことを特徴とする請求項1に記載の基板処理装置。 - 前記プロセスガス噴射部が、
前記第1注入孔を介して注入されたプロセスガスが、前記第1噴射孔を介して前記基板支持部へ向けて噴射されるように前記第1噴射孔及び前記第1注入孔を相互に接続する第1分岐溝、および
前記第2注入孔を介して注入されたプロセスガスが前記第2噴射孔を介して前記基板支持部へ向けて噴射されるように前記第2噴射孔及び前記第2注入孔を相互に接続する第2分岐溝を含むことを特徴とする請求項1に記載の基板処理装置。 - 前記第1噴射孔が、前記第1軸方向に沿って互いに離隔して配置されるように前記噴射部本体に形成され、
前記第2噴射孔は、前記第1軸方向に沿って互いに離隔して配置されるように前記噴射部本体に形成されたことを特徴とする請求項3に記載の基板処理装置。 - 前記第1噴射孔が、前記第1軸方向を基準として前記第2噴射孔の間に位置するように配置され、
前記第2噴射孔は、前記第1軸方向を基準に前記第1噴射孔の両側に同じ数が位置するように配置されたことを特徴とする請求項4に記載の基板処理装置。 - 前記第1分岐溝は、前記第2分岐溝に接続する第2噴射孔の数に比べて、より少ない数の第1噴射孔に接続することを特徴とする請求項4に記載の基板処理装置。
- 前記基板支持部が、回転軸を中心に回転し、
前記第1注入孔は、前記噴射部本体から前記基板支持部の回転軸側に向かう内側面に形成され、
前記第2注入孔は、前記噴射部本体の内側面に対して反対側に位置する外側面に形成されることを特徴とする請求項1に記載の基板処理装置。 - 前記基板支持部が、回転軸を中心に回転し、
前記プロセスガス噴射部は第1軸方向に沿って互いに離隔して配置された複数の第1噴射孔、及び前記第1軸方向に沿って互いに離隔して配置された複数の第2噴射孔を含み、
前記噴射部本体は、前記第1噴射孔が形成された第1本体、及び前記第1軸方向を基準に前記第1本体から突出して形成された第2本体を含み、
前記第2本体は、前記基板支持部の回転軸へ向かう方向に従って前記第1軸方向における長さが減少するように形成された第1サブ本体を含み、
前記第2噴射孔は、前記第2本体に形成され、前記第1軸方向を基準に前記第1噴射孔から遠い距離に離隔して配置されたものほど、前記第1軸方向に対して垂直な第2軸方向を基準として、より短く形成されたことを特徴とする請求項1に記載の基板処理装置。 - 前記基板支持部が、回転軸を中心に回転し、
前記噴射部本体は、前記基板支持部の回転軸側の方対向する内側面、および前記内側面に対して反対側に位置する外側面を含み、
前記外側面は、曲率中心が前記基板支持部の回転軸側に位置する曲面を成して形成されたことを特徴とする請求項1に記載の基板処理装置。 - 前記プロセスガス噴射部が、前記第1軸方向に沿って互いに離隔して配置された複数の第1噴射孔、及び前記第1軸方向に沿って互いに離隔して配置された複数の第2噴射孔を含み、
前記第1噴射孔及び前記第2噴射孔は、それぞれ前記の外側面から同じ距離離隔するように前記噴射部本体に形成されることを特徴とする請求項9に記載の基板処理装置。 - 前記チャンバー蓋部には、前記プロセスガス噴射部が複数個設置され、
前記プロセスガス噴射部のうち少なくとも一つのプロセスガス噴射部は、プラズマを生成するためのプラズマ電極を含むことを特徴とする請求項1に記載の基板処理装置。 - 基板を支持する基板支持部へ向けてプロセスガスを噴射する噴射部本体、
前記噴射部本体に形成され、前記基板支持部へ向けて噴射するプロセスガスが注入される第1注入孔、
前記第1注入孔から離隔した位置で前記噴射部本体に形成され、前記基板支持部へ向けて噴射するプロセスガスが注入される第2注入孔、
前記噴射部本体に形成された複数の第1噴射孔、および
前記第1噴射孔から離隔した位置で前記噴射部本体に形成された複数の第2噴射孔を含み、
前記第1噴射孔は、前記基板支持部に対して平行な面内で前記噴射部本体を横切る第1軸方向に対して垂直な、前記基板支持部に対して平行な面内で前記噴射部本体を横切る第2軸方向について、前記第2噴射孔よりも長い長さで形成され、
前記第2噴射孔は、前記第1軸方向を基準として、前記第1噴射孔の両側に位置するように配置される、
ことを特徴とする基板処理装置用ガス噴射装置。 - 前記第1注入孔を介して注入されたプロセスガスが、前記第1噴射孔を介して前記基板支持部へ向けて噴射されるように、前記第1噴射孔及び前記第1注入孔を相互に接続する第1分岐溝、および
前記第2注入孔を介して注入されたプロセスガスが前記第2噴射孔を介して前記基板支持部へ向けて噴射されるように前記第2噴射孔及び前記第2注入孔を相互に接続する第2分岐溝を含むことを特徴とする請求項12に記載の基板処理装置用ガス噴射装置。 - 前記第1噴射孔が、前記第1軸方向を基準として前記第2噴射孔の間に位置するように配置され、
前記第2噴射孔は、前記第1軸方向を基準に前記第1噴射孔の両側に同じ数が位置するように配置されたことを特徴とする請求項13に記載の基板処理装置用ガス噴射装置。 - 前記第1分岐溝は、前記第2分岐溝に接続した第2噴射孔の数に比べて、より少ない数の第1噴射孔に接続したことを特徴とする請求項13に記載の基板処理装置用ガス噴射装置。
- 前記第1注入孔が、前記噴射部本体から前記基板支持部の回転軸側に向かう内側面に形成され、
前記第2注入孔は、前記噴射部本体の内側面に対して反対側に位置する外側面に形成されたことを特徴とする請求項12に記載の基板処理装置用ガス噴射装置。 - 第1軸方向に沿って互いに離隔して配置された複数の第1噴射孔、及び前記第1軸方向に沿って互いに離隔して配置された複数の第2噴射孔を含み、
前記噴射部本体が、前記第1噴射孔が形成された第1本体、及び前記第1軸方向を基準に前記第1本体から突出して形成された第2本体を含み、
前記第2本体は、前記基板支持部の回転軸へ向かう方向に従って前記第1軸方向における長さが減少するように形成された第1サブ本体を含み、
前記第2噴射孔は、前記第2本体に形成され、前記第1軸方向を基準に前記第1噴射孔から遠い距離に離隔して配置されたものほど、前記第1軸方向に対して垂直な第2軸方向を基準として、より短く形成されることを特徴とする請求項12に記載の基板処理装置用ガス噴射装置。 - 前記第1軸方向に沿って互いに離隔して配置された複数の第1噴射孔、及び前記第1軸方向に沿って互いに離隔して配置された複数の第2噴射孔を含み、
前記噴射部本体が、前記基板支持部の回転軸側に向かう内側面、および前記内側面に対して反対側に位置する外側面を含み、
前記の外側面は、曲率中心が前記基板支持部の回転軸側に位置する曲面を成して形成され、
前記第1噴射孔及び前記第2噴射孔は、それぞれ前記の外側面から同じ距離離隔するように、前記噴射部本体に形成されたことを特徴とする請求項12に記載の基板処理装置用ガス噴射装置。 - プラズマ生成のためのプラズマ電極を含み、
前記プラズマ電極が、前記噴射部本体に設置されることを特徴とする請求項12に記載の基板処理装置用ガス噴射装置。
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