JP6736799B1 - 接合装置のパラメータ調整方法および接合システム - Google Patents
接合装置のパラメータ調整方法および接合システム Download PDFInfo
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- JP6736799B1 JP6736799B1 JP2020522885A JP2020522885A JP6736799B1 JP 6736799 B1 JP6736799 B1 JP 6736799B1 JP 2020522885 A JP2020522885 A JP 2020522885A JP 2020522885 A JP2020522885 A JP 2020522885A JP 6736799 B1 JP6736799 B1 JP 6736799B1
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Abstract
Description
まず、実施形態に係る接合システムの構成について図1〜図3を参照して説明する。図1および図2は、実施形態に係る接合システムの構成を示す模式図である。また、図3は、実施形態に係る第1基板および第2基板の接合前の状態を示す模式図である。
次に、接合装置41の構成について図4および図5を参照して説明する。図4および図5は、実施形態に係る接合装置41の構成を示す模式図である。
本願発明者は、鋭意研究の結果、接合装置41のパラメータを調整することで、重合基板Tに生じる歪みの方向および度合が変化することを突き止めた。そこで、実施形態に係る接合システム1では、パラメータを変更した場合における歪みの方向および度合の変化の傾向を示すトレンド情報と、検査装置31による重合基板Tの検査結果とに基づき、接合装置41のパラメータの自動調整を行うこととした。
上述した実施形態では、ステップS104において重合基板Tの均一性が目標条件を満たすまで、パラメータを変更し、変更後のパラメータにて接合処理を行うことを繰り返すこととした。これに限らず、接合システム1では、接合処理を行うことなく、複数のパラメータを一括して変更してもよい。
W2 第2基板
T 重合基板
1 接合システム
31 検査装置
41 接合装置
70 制御装置
140 第1保持部
141 第2保持部
160 第1移動部
190 ストライカー
301 外側吸着部
302 内側吸着部
311 第1吸着部
312 第2吸着部
Claims (9)
- 第1基板を上方から吸着保持する第1保持部と、前記第1保持部の下方に配置され、第2基板を下方から吸着保持する第2保持部と、前記第1保持部と前記第2保持部との間のギャップを調整する調整部と、前記第1基板の中心部を上方から押圧して前記第2基板に接触させるストライカーとを備え、前記調整部によって前記ギャップを調整したうえで、前記第1保持部に吸着保持された前記第1基板の中心部を前記ストライカーにて前記第2保持部に吸着保持された前記第2基板に接触させることにより、前記第1基板と前記第2基板とを接合する接合装置のパラメータ調整方法であって、
前記接合装置によって前記第1基板と前記第2基板とが接合された重合基板を検査する検査装置から前記重合基板に生じた歪みの方向および度合を示す検査結果を取得する取得工程と、
前記ギャップ、前記第1保持部による前記第1基板の吸着圧力、前記第2保持部による前記第2基板の吸着圧力および前記ストライカーによる前記第1基板の押圧力の少なくとも1つを含む複数のパラメータごとに、該パラメータを変更した場合における前記歪みの方向および度合の変化の傾向を示すトレンド情報と、前記取得工程において取得された前記検査結果とに基づき、前記複数のパラメータの少なくとも1つを変更するパラメータ変更工程と、
前記パラメータ変更工程後に前記接合装置によって接合された前記重合基板の前記検査結果を前記検査装置から取得する再取得工程と、
前記再取得工程によって取得された前記検査結果に基づき、前記重合基板の均一性が目標条件を満たすか否かを判定する判定工程と
を含み、
前記パラメータ変更工程および前記再取得工程は、
前記判定工程によって前記重合基板の均一性が前記目標条件を満たすと判定されるまで繰り返される、接合装置のパラメータ調整方法。 - 第1基板を上方から吸着保持する第1保持部と、前記第1保持部の下方に配置され、第2基板を下方から吸着保持する第2保持部と、前記第1保持部と前記第2保持部との間のギャップを調整する調整部と、前記第1基板の中心部を上方から押圧して前記第2基板に接触させるストライカーとを備え、前記調整部によって前記ギャップを調整したうえで、前記第1保持部に吸着保持された前記第1基板の中心部を前記ストライカーにて前記第2保持部に吸着保持された前記第2基板に接触させることにより、前記第1基板と前記第2基板とを接合する接合装置のパラメータ調整方法であって、
前記接合装置によって前記第1基板と前記第2基板とが接合された重合基板を検査する検査装置から前記重合基板に生じた歪みの方向および度合を示す検査結果を取得する取得工程と、
前記ギャップ、前記第1保持部による前記第1基板の吸着圧力、前記第2保持部による前記第2基板の吸着圧力および前記ストライカーによる前記第1基板の押圧力の少なくとも1つを含む複数のパラメータごとに、該パラメータを変更した場合における前記歪みの方向および度合の変化の傾向を示すトレンド情報と、前記取得工程において取得された前記検査結果とに基づき、前記複数のパラメータの少なくとも1つを変更するパラメータ変更工程と、
前記パラメータ変更工程後に前記接合装置によって前記第1基板と前記第2基板とを接合したと仮定した場合における前記検査結果を前記トレンド情報に基づいて予測する予測工程と
を含み、
前記パラメータ変更工程は、
前記予測工程において予測された前記検査結果と前記トレンド情報とに基づいて前記複数のパラメータの少なくとも1つをさらに変更する、接合装置のパラメータ調整方法。 - 前記予測工程は、
前記パラメータ変更工程後に前記接合装置によって前記第1基板と前記第2基板とを接合したと仮定した場合における前記検査結果を、前記トレンド情報と、前記パラメータの変更量と前記歪みの度合の変化量との相関を示す相関情報とに基づいて予測する、請求項2に記載の接合装置のパラメータ調整方法。 - 前記パラメータ変更工程は、
前記重合基板の板面に設定された複数のゾーンのうち1つを選択し、選択された前記ゾーンにおける前記検査結果および前記トレンド情報に基づき、前記複数のパラメータの少なくとも1つを変更する、請求項1〜3の何れか一つに記載の接合装置のパラメータ調整方法。 - 前記パラメータ変更工程は、
前記複数のゾーンのうち前記歪みの度合が最も大きいゾーンを前記検査結果に基づいて選択する、請求項4に記載の接合装置のパラメータ調整方法。 - 前記第1基板および前記第2基板は、
表面の結晶方向が[100]である単結晶シリコンウェハであり、
前記複数のゾーンは、
前記第1基板の中心部から前記第1基板の表面に対して平行な[0−11]結晶方向に向かう方向を0度と規定したときの45度の方向における外周部である45度外周ゾーン、90度の方向における外周部である90度外周ゾーン、前記45度外周ゾーンと前記中心部との中間部である45度中間ゾーンおよび前記90度外周ゾーンと前記中心部との中間部である90度中間ゾーンを含む、請求項4または5に記載の接合装置のパラメータ調整方法。 - 前記第1保持部は、
前記45度の方向を基準に90度間隔で配置され、前記第1基板の外周部を吸着保持する4つの第1吸着部と、
前記0度の方向を基準に90度間隔で配置され、前記第1基板の外周部を吸着保持する4つの第2吸着部と
を備え、
前記複数のパラメータは、
前記第1吸着部および前記第2吸着部のうち前記第1基板の吸着保持に用いられる吸着部を含む、請求項6に記載の接合装置のパラメータ調整方法。 - 前記複数のパラメータは、
前記第1保持部に吸着保持された前記第1基板の中心部を前記ストライカーにて押圧した後、前記第1保持部による前記第1基板の吸着保持を解除するタイミングを含む、請求項7に記載の接合装置のパラメータ調整方法。 - 第1基板と第2基板とを接合する接合装置と、
前記接合装置によって前記第1基板と前記第2基板とが接合された重合基板を検査する検査装置と、
前記接合装置のパラメータを変更する制御部と
を備え、
前記接合装置は、
前記第1基板を上方から吸着保持する第1保持部と、
前記第1保持部の下方に配置され、前記第2基板を下方から吸着保持する第2保持部と、
前記第1保持部と前記第2保持部との間のギャップを調整する調整部と、
前記第1基板の中心部を上方から押圧して前記第2基板に接触させるストライカーと
を備え、
前記制御部は、
前記検査装置から前記重合基板に生じた歪みの方向および度合を示す検査結果を取得する取得部と、
前記ギャップ、前記第1保持部による前記第1基板の吸着圧力、前記第2保持部による前記第2基板の吸着圧力および前記ストライカーによる前記第1基板の押圧力の少なくとも1つを含む複数のパラメータごとに、該パラメータを変更した場合における前記歪みの方向および度合の変化の傾向を示すトレンド情報と、前記取得部において取得された前記検査結果とに基づき、前記複数のパラメータの少なくとも1つを変更するパラメータ変更部と
を備え、
前記制御部は、
前記取得部によって取得された検査結果に基づき、前記歪みの方向が矢印で示され、前記歪みの度合が前記矢印の長さ、太さおよび色の少なくとも1つで示された画像を表示部に表示させる表示制御部
を備える、接合システム。
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JP2013120901A (ja) * | 2011-12-08 | 2013-06-17 | Tokyo Electron Ltd | 接合方法、プログラム、コンピュータ記憶媒体、接合装置及び接合システム |
JP2014041957A (ja) * | 2012-08-23 | 2014-03-06 | Tokyo Electron Ltd | 検査装置、接合システム、検査方法、プログラム及びコンピュータ記憶媒体 |
JP2018093018A (ja) * | 2016-12-01 | 2018-06-14 | 東京エレクトロン株式会社 | 接合装置、接合システム、接合方法、プログラム及びコンピュータ記憶媒体 |
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