JP7544850B2 - 熱処理チャンバのエッジリング距離を測定する装置、システム、及び方法 - Google Patents
熱処理チャンバのエッジリング距離を測定する装置、システム、及び方法 Download PDFInfo
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Description
[0001]本開示の態様は、熱処理チャンバのエッジリング距離を測定する装置、システム、及び方法に関する。一実施例では、測定された距離は、エッジリングの中心位置のシフトを決定するために使用される。
C1=0.5x((PH3-HD3)-(PH1-HD1))(式1)
C2=0.5x((PH2-HD2)-(PH4-HD4))(式2)
Claims (20)
- 熱処理チャンバ装置であって:
1つ又は複数の側壁及び処理容積を含むチャンバ本体;
前記チャンバ本体の前記処理容積内に配置されたロータ;
前記ロータ上に支持されたエッジリングであって、内面及び外面を含むエッジリング;
前記エッジリングの上と前記ロータの上とに配置された複数のヒートランプ;並びに
前記チャンバ本体の前記1つ又は複数の側壁に取り付けられた1つ又は複数の距離センサであって、各距離センサが、前記エッジリングの前記外面に向かって方向付けられて、前記エッジリングの前記外面とそれぞれの前記距離センサとの間の距離を測定する、1つ又は複数の距離センサ
を含む熱処理チャンバ装置。 - 前記ロータの外側に配置された駆動リングをさらに含み、前記駆動リングが、前記ロータに磁気結合されて前記ロータを回転させる、請求項1に記載の熱処理チャンバ装置。
- 前記1つ又は複数の側壁が、1つ又は複数の窓部分を含み、各側壁が内面及び外面を含み、前記1つ又は複数の距離センサの各距離センサが、それぞれの前記側壁の前記外面に取り付けられ、且つそれぞれの前記窓部分に隣接している、請求項1に記載の熱処理チャンバ装置。
- 前記エッジリングの下に配置された1つ又は複数の高温計をさらに含み、前記エッジリングが、前記1つ又は複数の高温計と前記複数のヒートランプとの間に配置されている、請求項1に記載の熱処理チャンバ装置。
- 前記1つ又は複数の距離センサの各距離センサが、前記エッジリングの前記外面に向かってレーザ光を放出するように方向付けられたレーザ放出器を含み、
各距離センサが、前記エッジリングの前記外面に向かって方向付けられて、前記エッジリングの前記外面から反射された反射レーザ光を受け取り、前記反射レーザ光を使用して、前記エッジリングの前記外面とそれぞれの前記距離センサとの間の距離を決定する、
請求項1に記載の熱処理チャンバ装置。 - 命令を含む非一過性のコンピュータ可読媒体をさらに含み、前記命令は、実行されると:
前記複数のヒートランプに、前記処理容積内に配置された第1の基板を加熱させ;
前記1つ又は複数の距離センサに、前記エッジリングの前記外面とそれぞれの前記距離センサとの間の距離を測定させ;
前記距離を使用して前記エッジリングの中心位置のシフトを決定させ;
前記中心位置のシフトを使用して、補正着地位置を決定させ;
ロボットに、第2の基板を前記補正着地位置に位置合わせさせる、
請求項1に記載の熱処理チャンバ装置。 - 前記中心位置のシフトが、X軸に沿った第1の水平シフト、及びY軸に沿った第2の水平シフトを含む、請求項6に記載の熱処理チャンバ装置。
- 前記命令は、実行されると、前記ロータに、前記1つ又は複数の距離センサが前記エッジリングの複数の角度位置に沿って前記距離を測定する間に、前記エッジリングを回転させる、請求項6に記載の熱処理チャンバ装置。
- 命令を含む非一過性のコンピュータ可読媒体であって、前記命令は、実行されると、熱処理チャンバシステムに:
チャンバ本体の処理容積内のエッジリング上に配置された第1の基板を、複数のヒートランプを使用して第1の温度に加熱させ;
前記第1の基板を、前記第1の温度よりも低い第2の温度に冷却させ;
距離センサと前記エッジリングの外面との間の距離を測定させ;
前記距離を使用して前記エッジリングの中心位置のシフトを決定させ;
前記中心位置のシフトを使用して、補正着地位置を決定させ;
ロボットに、第2の基板を前記補正着地位置に位置合わせするように命令させる、
非一過性のコンピュータ可読媒体。 - 前記ロボットは、前記第2の基板の底面の中心を前記補正着地位置に位置合わせするように命令され、前記第2の基板の前記底面の前記中心は、前記補正着地位置に対して0.1mm以下のオフセット内に位置合わせされる、請求項9に記載の非一過性のコンピュータ可読媒体。
- 実行されると、前記熱処理チャンバシステムに、前記第2の基板を前記エッジリング上に着地させる命令をさらに含む、請求項10に記載の非一過性のコンピュータ可読媒体。
- 前記距離を使用して決定される前記中心位置のシフトが、X軸に沿った第1の水平シフト、及びY軸に沿った第2の水平シフトを含む、請求項9に記載の非一過性のコンピュータ可読媒体。
- 前記距離センサと前記エッジリングの前記外面との間の前記距離を測定することが:
前記距離センサのレーザ放出器から前記エッジリングの前記外面に向けてレーザ光を放出すること;
前記エッジリングの前記外面から反射された反射レーザ光を受け取ること;及び
前記反射レーザ光を使用して、前記エッジリングの前記外面と前記距離センサとの前記距離を決定すること
を含む、請求項9に記載の非一過性のコンピュータ可読媒体。 - 実行されると、ロータに、前記距離センサが前記エッジリングの複数の角度位置に沿って前記距離を測定する間に、前記エッジリングを回転させる命令をさらに含む、請求項9に記載の非一過性のコンピュータ可読媒体。
- 命令を含む非一過性のコンピュータ可読媒体であって、前記命令は、実行されると、熱処理チャンバシステムに:
チャンバ本体の処理容積内のエッジリング上に配置された第1の基板を、複数のヒートランプを使用して第1の温度に加熱させ;
前記第1の基板を、前記第1の温度よりも低い第2の温度に冷却させ;
ロータを使用して、前記ロータ上に支持されている前記エッジリングを回転させ;
前記エッジリングが回転している間に、距離センサと前記エッジリングの外面との間の距離を測定させ;
前記距離を使用して前記エッジリングの中心位置のシフトを決定させ;
前記中心位置のシフトを使用して、補正着地位置を決定させる、
非一過性のコンピュータ可読媒体。 - 実行されると、ロボットに、第2の基板の底面の中心を前記補正着地位置と位置合わせさせる命令をさらに含み、前記第2の基板の前記底面の前記中心が、前記補正着地位置に対して0.1mm以下のオフセット内に位置合わせされる、請求項15に記載の非一過性のコンピュータ可読媒体。
- 実行されると、前記熱処理チャンバシステムに、前記第2の基板を前記エッジリング上に着地させる命令をさらに含む、請求項16に記載の非一過性のコンピュータ可読媒体。
- 前記距離を使用して決定される前記中心位置のシフトが、X軸に沿った第1の水平シフト、及びY軸に沿った第2の水平シフトを含む、請求項15に記載の非一過性のコンピュータ可読媒体。
- 前記距離センサと前記エッジリングの前記外面との間の前記距離を測定することが:
前記距離センサのレーザ放出器から前記エッジリングの前記外面に向けてレーザ光を放出すること;
前記エッジリングの前記外面から反射された反射レーザ光を受け取ること;及び
前記反射レーザ光を使用して、前記エッジリングの前記外面と前記距離センサとの前記距離を決定すること
を含む、請求項15に記載の非一過性のコンピュータ可読媒体。 - 前記距離センサと前記エッジリングの前記外面との間の前記距離が、前記エッジリングが前記ロータを使用して回転される間に、前記エッジリングの複数の角度位置で測定される、請求項15に記載の非一過性のコンピュータ可読媒体。
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