JP5207896B2 - 半導体装置及びその製造方法 - Google Patents
半導体装置及びその製造方法 Download PDFInfo
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- JP5207896B2 JP5207896B2 JP2008239751A JP2008239751A JP5207896B2 JP 5207896 B2 JP5207896 B2 JP 5207896B2 JP 2008239751 A JP2008239751 A JP 2008239751A JP 2008239751 A JP2008239751 A JP 2008239751A JP 5207896 B2 JP5207896 B2 JP 5207896B2
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Description
図1は本発明の第1の実施形態に係る半導体装置の構成を断面図の形態で示したものである。
図7は本発明の第2の実施形態に係る半導体装置の構成を断面図の形態で示したものである。
図13は本発明の第3の実施形態に係る半導体装置の構成を断面図の形態で示したものである。
図19は本発明の第4の実施形態に係る半導体装置の構成を断面図の形態で示したものである。
20,20a,20b…リードフレーム、
21…支持部、
22…リード部、
30(a,b),32(a,b),35…シリコンチップ(半導体素子)、
31(a,b),33(a,b),36…電極パッド(端子)、
32L,32M,32N…上側チップの外形(実装エリア)、
34(a,b),37…ボンディングワイヤ、
40,40a…積層配線層(パッケージ)、
41,43…絶縁層、
42,44…配線層(再配線層)、
44P…(外部接続端子接合用の)パッド部、
45…ソルダレジスト層(保護膜)、
46…外部接続端子、
50,50a…封止樹脂(層)、
60…テープ(片面に粘着剤が塗布されたフィルム状の基材)、
OP,OP1,OP2,OP3…リードフレームの開口部。
Claims (10)
- 開口部を有し、該開口部の周囲にリード部が櫛歯状に延在するように成形されたリードフレームと、
前記リードフレームの開口部に、フェイスダウンの態様で配置された第1の半導体素子と、
前記第1の半導体素子上にフェイスアップの態様で搭載され、その電極パッドがワイヤを介して前記リードフレームのリード部に接続された第2の半導体素子と、
前記第1の半導体素子及び前記リードフレームをその一面側に搭載する態様で設けられた積層配線層と、
前記積層配線層上の前記リードフレームと前記第1、第2の半導体素子及び前記ワイヤを埋め込むように形成された封止樹脂層とを備え、
前記積層配線層は、前記第1の半導体素子の電極パッド及び前記リードフレームのリード部からそれぞれひき出された配線パターンが、前記積層配線層の他面側に設けられるパッド部と電気的に繋がるようにそれぞれパターン形成された複数の配線層を含み、
前記第1の半導体素子及び前記リードフレームは、前記積層配線層の一面側において同一平面上に搭載されており、かつ、前記第1の半導体素子は、前記積層配線層の配線層と直接接続されていることを特徴とする半導体装置。 - 前記リードフレームの開口部は、前記第1の半導体素子が配置される第1の開口部と、その周囲にリード部が櫛歯状に延在するように成形された第2の開口部とを有し、
前記第2の半導体素子は、前記第1の半導体素子より大きいサイズを有し、その周辺部分が前記第1、第2の開口部間のリードフレーム部分で支持された構造を有することを特徴とする請求項1に記載の半導体装置。 - 前記第2の半導体素子は、前記第1の半導体素子より大きいサイズを有し、その周辺部分が前記リードフレームの各リード部で支持された構造を有することを特徴とする請求項1に記載の半導体装置。
- 前記第1の半導体素子として複数個の半導体素子が、前記リードフレームの開口部に並設されていることを特徴とする請求項1に記載の半導体装置。
- 前記第1の半導体素子の厚さは、前記リードフレームのリード部の厚さと同じであることを特徴とする請求項1に記載の半導体装置。
- 開口部を有し、該開口部の周囲にリード部が櫛歯状に延在するように成形されたリードフレームを、フィルム状の基材に貼り付けたものを用意する工程と、
前記基材上の、前記リードフレームの開口部に対応する部分に、第1の半導体素子をフェイスダウンの態様で搭載する工程と、
前記第1の半導体素子上に第2の半導体素子をフェイスアップの態様で搭載し、さらに該第2の半導体素子の電極パッドと前記リードフレームのリード部とをワイヤにより接続する工程と、
前記基材上の前記リードフレームと前記第1、第2の半導体素子及び前記ワイヤを埋め込むように封止樹脂で封止する工程と、
前記基材を除去する工程と、
前記第1の半導体素子の電極パッド及び前記リードフレームのリード部からそれぞれ配線パターンをひき出し、以降、所要の数の配線層を積層する工程であって、前記配線パターンが、積層後の配線層の露出する面側に設けられるパッド部と電気的に繋がるように各配線層を積層する工程とを含むことを特徴とする半導体装置の製造方法。 - 前記リードフレームを前記基材に貼り付けたものを用意する工程において、前記リードフレームを、第1の半導体素子が配置される第1の開口部と、その周囲に前記リード部が櫛歯状に延在するように成形された第2の開口部とを有するように成形し、
前記第1の半導体素子上に前記第2の半導体素子を搭載し、さらに該第2の半導体素子の電極パッドと前記リードフレームのリード部とをワイヤにより接続する工程において、前記第1の半導体素子より大きいサイズを有した第2の半導体素子を、その周辺部分を前記第1、第2の開口部間のリードフレーム部分上に位置合わせして搭載することを特徴とする請求項6に記載の半導体装置の製造方法。 - 前記第1の半導体素子上に前記第2の半導体素子を搭載し、さらに該第2の半導体素子の電極パッドと前記リードフレームのリード部とをワイヤにより接続する工程において、前記第1の半導体素子より大きいサイズを有した第2の半導体素子を、その周辺部分を前記リードフレームの各リード部上に位置合わせして搭載することを特徴とする請求項6に記載の半導体装置の製造方法。
- 前記第1の半導体素子を搭載する工程において、前記基材上の、前記リードフレームの開口部に対応する部分に、該第1の半導体素子として複数個の半導体素子を並設することを特徴とする請求項6に記載の半導体装置の製造方法。
- 前記第1の半導体素子の厚さは、前記リードフレームのリード部の厚さと同じであることを特徴とする請求項6に記載の半導体装置の製造方法。
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