JP7093855B2 - 基板処理装置及び基板処理方法 - Google Patents
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Description
40 エッチング装置
110 第1のノズル
120 第2のノズル
D デバイス層
E1 エッチング液
E2 洗浄液
S 支持ウェハ
T 重合ウェハ
W 処理ウェハ
Claims (20)
- デバイス層が形成された第1の基板と第2の基板とが接合された重合基板を処理する基板処理装置であって、
前記第2の基板の裏面を保持する保持部と、
前記保持部に保持された前記第1の基板を処理する処理部と、
前記第1の基板において前記デバイス層と反対側の表面に当該第1の基板の表面をエッチングする第1の処理液を供給する第1の処理液供給管と、前記第1の処理液の供給を制御するバルブを含む第1の処理液供給部と、
前記第2の基板の裏面に当該第2の基板の裏面における金属汚染を除去する第2の処理液を供給する第2の処理液供給管と、前記第2の処理液の供給を制御するバルブを含む第2の処理液供給部と、
前記第2の基板の裏面にリンス液を供給するリンス液供給管と、前記リンス液の供給を制御するバルブを含むリンス液供給部と、を有する、基板処理装置。
- 前記第1の処理液供給部のバルブの開閉と前記第2の処理液供給部のバルブの開閉を制御する制御部を有し、
前記制御部は、前記第1の処理液によるエッチングと、前記第2の処理液による金属汚染除去とを同時に行うように、前記第1の処理液供給部と前記第2の処理液供給部を制御する、請求項1に記載の基板処理装置。
- 前記制御部は、前記第1の処理液によるエッチングの終了時と、前記第2の処理液による金属汚染除去の終了時とが同じになるように、前記第1の処理液供給部と前記第2の処理液供給部を制御する、請求項2に記載の基板処理装置。
- 前記第1の処理液供給部のバルブの開閉と前記第2の処理液供給部のバルブの開閉を制御する制御部を有し、
前記制御部は、前記重合基板の側方において、前記第1の処理液が前記デバイス層に到達せず、前記第2の処理液が前記デバイス層に到達するように、前記第1の処理液供給部と前記第2の処理液供給部を制御する、請求項1~3のいずれか一項に記載の基板処理装置。
- 前記第1の処理液は、酸性の処理液とアルカリ性の処理液を含む、請求項1~4のいずれか一項に記載の基板処理装置。
- 前記第1の処理液供給部のバルブの開閉を制御する制御部を有し、
前記第1の基板の裏面と前記デバイス層との間には、前記アルカリ性の処理液から前記デバイス層を保護する保護膜が形成され、
前記制御部は、前記第1の基板の表面に前記酸性の処理液を供給した後、前記アルカリ性の処理液を供給するように、前記第1の処理液供給部を制御する、請求項5に記載の基板処理装置。
- 前記第1の基板の内部に、面方向に沿ってレーザ光を照射して内部面改質層を形成する、前記処理部である改質部と、
前記改質部で形成された内部面改質層を基点に、前記第1の基板を分離する分離部と、
前記分離部で前記第1の基板が分離された後、前記第2の基板に接合された前記第1の基板の表面を研削加工する、前記処理部である加工部と、を有し、
前記第1の処理液供給部は、前記加工部で研削加工された前記第1の基板の表面に前記第1の処理液を供給する、請求項1~6のいずれか一項に記載の基板処理装置。 - 前記第1の基板の内部に、面方向に沿ってレーザ光を照射して内部面改質層を形成する、前記処理部である改質部と、
前記改質部で形成された内部面改質層を基点に、前記第1の基板を分離する分離部と、を有し、
前記第1の処理液供給部は、前記分離部で前記第1の基板が分離された後、前記第2の基板に接合された前記第1の基板の表面に前記第1の処理液を供給する、請求項1~6のいずれか一項に記載の基板処理装置。 - 前記第1の基板の表面を研削加工する、前記処理部である加工部を有し、
前記第1の処理液供給部は、前記加工部で研削加工された前記第1の基板の表面に前記第1の処理液を供給する、請求項1~6のいずれか一項に記載の基板処理装置。 - 前記第2の処理液供給部によって前記第2の基板の裏面に前記第2の処理液を供給する前に、前記第2の基板の周縁部を洗浄する周縁洗浄部を有する、請求項1~9のいずれか一項に記載の基板処理装置。
- デバイス層が形成された第1の基板と第2の基板とが接合された重合基板を処理する基板処理方法であって、
前記第2の基板の裏面が保持部に保持された状態で、前記第1の基板を処理することと、
前記第1の基板において前記デバイス層と反対側の表面に第1の処理液を供給し、当該第1の基板の表面をエッチングすることと、
前記第2の基板の裏面に第2の処理液を供給し、当該第2の基板の裏面における金属汚染を除去することと、
前記第2の基板の裏面に純水を供給し、当該第2の基板の裏面をリンスすることと、を有する、基板処理方法。
- 前記第1の処理液によるエッチングと、前記第2の処理液による金属汚染除去とを同時に行う、請求項11に記載の基板処理方法。
- 前記第1の処理液によるエッチングの終了時と、前記第2の処理液による金属汚染除去の終了時とは同じである、請求項12に記載の基板処理方法。
- 前記重合基板の側方において、前記第1の処理液が前記デバイス層に到達せず、前記第2の処理液が前記デバイス層に到達する、請求項11~13のいずれか一項に記載の基板処理方法。
- 前記第1の処理液は、酸性の処理液とアルカリ性の処理液を含む、請求項11~14のいずれか一項に記載の基板処理方法。
- 前記第1の基板の裏面と前記デバイス層との間には、前記アルカリ性の処理液から前記デバイス層を保護する保護膜が形成され、
前記第1の基板の表面に前記酸性の処理液を供給した後、前記アルカリ性の処理液を供給する、請求項15に記載の基板処理方法。 - 改質部から前記第1の基板の内部に、面方向に沿ってレーザ光を照射して内部面改質層を形成することと、
分離部によって、前記改質部で形成された内部面改質層を基点に、前記第1の基板を分離することと、
前記分離部で前記第1の基板が分離された後、加工部によって、前記第2の基板に接合された前記第1の基板の表面を研削加工することと、を有し、
前記加工部で研削加工された前記第1の基板の表面に前記第1の処理液を供給する、請求項11~16のいずれか一項に記載の基板処理方法。
- 改質部から前記第1の基板の内部に、面方向に沿ってレーザ光を照射して内部面改質層を形成することと、
分離部によって、前記改質部で形成された内部面改質層を基点に、前記第1の基板を分離することと、を有し、
前記分離部で前記第1の基板が分離された後、前記第2の基板に接合された前記第1の基板の表面に前記第1の処理液を供給する、請求項11~16のいずれか一項に記載の基板処理方法。
- 加工部によって前記第1の基板の表面を研削加工することを有し、
前記加工部で研削加工された前記第1の基板の表面に前記第1の処理液を供給する、請求項11~16のいずれか一項に記載の基板処理方法。
- 前記第2の基板の裏面に前記第2の処理液を供給する前に、周縁洗浄部によって前記第2の基板の周縁部を洗浄する、請求項11~19のいずれか一項に記載の基板処理方法。
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