JP2016510168A - 半導体ウェハをプラズマ・ダイシングするための方法及び装置 - Google Patents
半導体ウェハをプラズマ・ダイシングするための方法及び装置 Download PDFInfo
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Abstract
Description
1)破損及びチッピングが低減される。
2)20ミクロンを大幅に下回るまで切溝寸法を低減することができる。
3)ダイの数が増加しても処理時間が著しく増加しない。
4)より薄いウェハの場合に処理時間が低減される。
5)ダイのトポロジーが直線的形態に限定されない。
Claims (46)
- 壁を有する処理チャンバを提供するステップと、
前記処理チャンバの前記壁に隣接してプラズマ源を提供するステップと、
前記処理チャンバ内に加工物支持体を提供するステップと、
支持膜、フレーム、及び基板を有する加工物を前記加工物支持体上に置くステップと、
前記加工物を前記加工物支持体上に搭載するステップと、
張力を前記支持膜に加えるステップと、
前記加工物を前記加工物支持体に対して圧締めするステップと、
前記プラズマ源を使用してプラズマを発生させるステップと、
発生した前記プラズマを使用して前記加工物をエッチングするステップと
を含む、基板をプラズマ・ダイシングするための方法。 - 前記支持膜と前記加工物との間に伝熱流体を導入するステップを更に含む、請求項1に記載の方法。
- 前記伝熱流体がガスである、請求項2に記載の方法。
- 前記伝熱流体がヘリウムである、請求項3に記載の方法。
- 前記伝熱流体が1Torrより大きい流体圧力を更に含む、請求項2に記載の方法。
- 前記伝熱流体が30Torr未満の流体圧力を更に含む、請求項2に記載の方法。
- 前記支持膜がダイシング・テープである、請求項1に記載の方法。
- 前記加工物を圧締めする前記ステップが、前記張力を前記支持膜に加える前記ステップの後に行われる、請求項1に記載の方法。
- 前記圧締めするステップの後に、前記支持膜に対して加えられた前記張力を変更するステップを更に含む、請求項1に記載の方法。
- 前記圧締めするステップの後に、前記支持膜に対して加えられた前記張力を除去するステップを更に含む、請求項1に記載の方法。
- 前記張力が前記フレームに加えられる力である、請求項1に記載の方法。
- 前記張力が機械的力である、請求項1に記載の方法。
- 前記張力が磁力である、請求項1に記載の方法。
- 前記張力が電気的力である、請求項1に記載の方法。
- 前記支持膜が前記張力によって弾性的に変形される、請求項1に記載の方法。
- 前記支持膜が前記張力によって塑性的に変形されない、請求項1に記載の方法。
- 前記圧締めが静電チャックを使用する、請求項1に記載の方法。
- 前記圧締めが機械的チャックを使用する、請求項1に記載の方法。
- 壁を有する処理チャンバを提供するステップと、
前記処理チャンバの前記壁に隣接してプラズマ源を提供するステップと、
前記処理チャンバ内に加工物支持体を提供するステップと、
支持膜、フレーム、及び基板を有する加工物を前記加工物支持体上に置くステップと、
前記加工物を前記加工物支持体上に搭載するステップと、
前記加工物支持体上の前記基板に対して非共面で前記フレームを位置付けるステップと、
前記加工物を前記加工物支持体に対して圧締めするステップと、
前記プラズマ源を使用してプラズマを発生させるステップと、
発生した前記プラズマを使用して前記加工物をエッチングするステップと
を含む、基板をプラズマ・ダイシングするための方法。 - 前記支持膜を前記基板の第1の表面に接触させるステップを更に含む、請求項19に記載の方法。
- 前記支持膜を前記フレームの第2の表面に接触させるステップを更に含む、請求項20に記載の方法。
- 前記位置付けるステップの間に、前記基板が前記フレームの上方に位置付けられる、請求項19に記載の方法。
- 前記位置付けるステップの間に、前記基板の第1の表面が前記フレームの第2の表面に対して非共面で位置付けられる、請求項19に記載の方法。
- 前記基板の前記第1の表面が前記フレームの前記第2の表面の上方に位置付けられる、請求項23に記載の方法。
- 前記基板を前記加工物支持体によって支持し、前記フレームを前記加工物支持体によって支持するステップを更に含む、請求項19に記載の方法。
- 前記基板を前記クランプによって支持し、前記フレームをプロセス・キットによって支持するステップを更に含む、請求項19に記載の方法。
- 前記基板を前記クランプによって支持し、前記フレームをリフト機構によって支持するステップを更に含む、請求項19に記載の方法。
- 前記支持膜を前記加工物支持体によって支持し、前記フレームを支持しないステップを更に含む、請求項19に記載の方法。
- 前記フレームの内径が前記加工物支持体の外径よりも大きいことを更に含む、請求項28に記載の方法。
- 前記支持膜を前記加工物支持体によって支持し、前記フレームをリフト機構によって支持するステップを更に含む、請求項19に記載の方法。
- 前記圧締めするステップが静電チャックを使用する、請求項19に記載の方法。
- 前記圧締めするステップが機械的チャックを使用する、請求項19に記載の方法。
- 壁を有する処理チャンバを提供するステップと、
前記処理チャンバの前記壁に隣接してプラズマ源を提供するステップと、
前記処理チャンバ内に加工物支持体を提供するステップと、
支持膜、フレーム、及び基板を有する加工物を前記加工物支持体上に置くステップと、
前記加工物を前記加工物支持体上に搭載するステップと、
張力を前記支持膜に加えるステップと、
前記プラズマ源を使用してプラズマを発生させるステップと、
発生した前記プラズマを使用して前記加工物をエッチングするステップと
を含む、基板をプラズマ・ダイシングするための方法。 - 前記支持膜と前記加工物との間に伝熱流体を導入するステップを更に含む、請求項33に記載の方法。
- 前記伝熱流体がガスである、請求項34に記載の方法。
- 前記伝熱流体がヘリウムである、請求項35に記載の方法。
- 前記伝熱流体が1Torrより大きい流体圧力を更に含む、請求項34に記載の方法。
- 前記伝熱流体が30Torr未満の流体圧力を更に含む、請求項34に記載の方法。
- 前記支持膜がダイシング・テープである、請求項33に記載の方法。
- 前記張力が前記フレームに加えられる力である、請求項33に記載の方法。
- 前記張力が機械的力である、請求項33に記載の方法。
- 前記張力が磁力である、請求項33に記載の方法。
- 前記張力が電気的力である、請求項33に記載の方法。
- 前記支持膜が前記張力によって弾性的に変形される、請求項33に記載の方法。
- 前記支持膜が前記張力によって塑性的に変形されない、請求項33に記載の方法。
- 壁を有する処理チャンバを提供するステップと、
前記処理チャンバの前記壁に隣接してプラズマ源を提供するステップと、
前記処理チャンバ内に加工物支持体を提供するステップと、
支持膜、フレーム、及び複数の基板を有する加工物を前記加工物支持体上に置くステップと、
前記加工物を前記加工物支持体上に搭載するステップと、
前記加工物を前記加工物支持体に対して圧締めするステップと、
前記プラズマ源を使用してプラズマを発生させるステップと、
発生した前記プラズマを使用して前記加工物をエッチングするステップと
を含む、複数の基板をプラズマ・ダイシングするための方法。
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PCT/US2014/016074 WO2014127027A2 (en) | 2013-02-14 | 2014-02-12 | Method and apparatus for plasma dicing a semi-conductor wafer |
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TWI527108B (zh) | 2016-03-21 |
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