JP6053779B2 - ダイ上の開ウィンドウを有するヒートスプレッダを備えた基板上のダイを含む電子的アッセンブリ - Google Patents
ダイ上の開ウィンドウを有するヒートスプレッダを備えた基板上のダイを含む電子的アッセンブリ Download PDFInfo
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Description
Claims (20)
- 電子的アッセンブリであって、
ワークピースと、
基板と、複数の基板貫通ビア(TSV)と、頂部側と、その上に複数のTSVコネクタを有する底部側とを含むTSVダイであって、前記ワークピースに対して前記頂部側で前記ワークピース上に取り付けられる、前記TSVダイと、
前記TSVダイの前記底部側上のヒートスプレッダであって、内部開ウィンドウを有する、前記ヒートスプレッダと、
それぞれ前記複数のTSVコネクタに結合される又は前記複数のTSVコネクタを含む複数のボンディング特徴であって、前記内部開ウィンドウから前記ヒートスプレッダの頂部の高さを上回る高さまで突出する、前記複数のボンディング特徴と、
を含む、電子的アッセンブリ。 - 請求項1に記載の電子的アッセンブリであって、
前記TSVコネクタが突出TSVティップを含み、前記ボンディング特徴が前記TSVコネクタを含む、電子的アッセンブリ。 - 請求項1に記載の電子的アッセンブリであって、
前記複数のボンディング特徴が、複数のTSVを含むインターポーザを含む、電子的アッセンブリ。 - 請求項3に記載の電子的アッセンブリであって、
前記インターポーザが少なくとも1つの集積されたTSVベースのキャパシタを含む、電子的アッセンブリ。 - 請求項1に記載の電子的アッセンブリであって、
前記ヒートスプレッダ上の頂部ダイを更に含み、前記頂部ダイが前記ボンディング特徴に結合される、電子的アッセンブリ。 - 請求項5に記載の電子的アッセンブリであって、
前記頂部ダイ上の外部ヒートシンクを更に含み、前記ヒートスプレッダの横方向に、前記外部ヒートシンクが熱的インタフェース材料により前記ワークピースに熱的に結合される、電子的アッセンブリ。 - 請求項5に記載の電子的アッセンブリであって、
前記ヒートスプレッダが、前記ワークピースの頂部表面に向かって延びる垂直の部分を含み、
前記垂直の部分が、電気的に導電性の材料によって前記ワークピースの前記頂部表面に取り付けられ、ワークピースビアを介して前記ワークピースにおける接地面に接地される、電子的アッセンブリ。 - 請求項1に記載の電子的アッセンブリであって、
前記ヒートスプレッダと前記TSVダイの前記底部側との間の第1のアンダーフィル材料と、
前記ヒートスプレッダと前記ワークピースとの間の前記TSVダイの横方向の、前記第1のアンダーフィル材料の熱伝導率より大きい熱伝導率を有する、第2のアンダーフィル材料と、
を更に含む、電子的アッセンブリ。 - 請求項1に記載の電子的アッセンブリであって、
前記TSVコネクタが前記底部側から突出しない、電子的アッセンブリ。 - 請求項1に記載の電子的アッセンブリであって、
前記ワークピースが、前記TSVダイと反対の側にボールグリッドアレイ(BGA)を有する有機基板を含む、電子的アッセンブリ。 - 請求項1に記載の電子的アッセンブリであって、
前記ヒートスプレッダ上の取り外し可能な保護シートを更に含む、電子的アッセンブリ。 - 電子的アッセンブリであって、
ワークピースと、
基板と、複数の基板貫通ビア(TSV)と、頂部側と、その上に複数のTSVコネクタを有する底部側とを含むTSVダイであって、前記ワークピースに対して前記頂部側で前記ワークピース上に取り付けられる、前記TSVダイと、
前記TSVダイの前記底部側上のヒートスプレッダであって、内部開ウィンドウを有する、前記ヒートスプレッダと、
前記TSVダイの前記底部側上の前記複数のTSVコネクタにそれぞれ結合される複数のTSVを前記内部開ウィンドウに含むインターポーザと、
を含む、電子的アッセンブリ。 - 請求項12に記載の電子的アッセンブリであって、
前記インターポーザが少なくとも1つの集積されたTSVベースのキャパシタを含む、電子的アッセンブリ。 - 請求項12に記載の電子的アッセンブリであって、
前記ヒートスプレッダ上に頂部ダイを更に含み、前記頂部ダイが前記インターポーザの前記複数のTSVに結合される、電子的アッセンブリ。 - 電子的アッセンブリを形成する方法であって、
基板と、複数の基板貫通ビア(TSV)と、頂部側と、その上に複数のTSVコネクタを有する底部側とを含むTSVダイを、前記頂部側を下にワークピース上に取り付けることと、
前記TSVダイの前記底部側上にヒートスプレッダを取り付けることであって、前記ヒートスプレッダが内部開ウィンドウを有する、前記ヒートスプレッダを取り付けることと、
を含み、
それぞれ前記複数のTSVコネクタに結合される又は前記複数のTSVコネクタを含む複数のボンディング特徴が、前記内部開ウィンドウから前記ヒートスプレッダの頂部の高さを上回る高さまで突出する、方法。 - 請求項15に記載の方法であって、
前記TSVコネクタが突出TSVティップを含み、前記ボンディング特徴が前記TSVコネクタを含む、方法。 - 請求項15に記載の方法であって、
突出TSVティップを含む複数のTSVを含むインターポーザを前記TSVダイの底部側に取り付けることであって、前記TSVが前記TSVダイの前記TSVコネクタに結合されることと、
前記TSVダイの前記底部側を含んで、前記インターポーザの横方向にアンダーフィルをディスペンスすることと、
を更に含む、方法。 - 請求項17に記載の方法であって、
前記インターポーザが少なくとも1つの集積されたTSVベースのキャパシタを含む、方法。 - 請求項15に記載の方法であって、
前記ヒートスプレッダ上に頂部ダイを取り付けることを更に含み、前記頂部ダイが前記ボンディング特徴に結合される、方法。 - 請求項15に記載の方法であって、
前記ワークピースが、前記TSVダイと反対の側にボールグリッドアレイ(BGA)を有する有機基板を含む、方法。
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PCT/US2012/046229 WO2013009853A2 (en) | 2011-07-11 | 2012-07-11 | Electronic assembly including die on substrate with heat spreader having an open window on the die |
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