JP5497815B2 - 積層チップパッケージおよびその製造方法 - Google Patents
積層チップパッケージおよびその製造方法 Download PDFInfo
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- JP5497815B2 JP5497815B2 JP2012034812A JP2012034812A JP5497815B2 JP 5497815 B2 JP5497815 B2 JP 5497815B2 JP 2012034812 A JP2012034812 A JP 2012034812A JP 2012034812 A JP2012034812 A JP 2012034812A JP 5497815 B2 JP5497815 B2 JP 5497815B2
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Description
以下、本発明の実施の形態について図面を参照して詳細に説明する。始めに、図1ないし図5を参照して、本発明の第1の実施の形態に係る積層チップパッケージの構成について説明する。図1は、本実施の形態に係る積層チップパッケージの斜視図である。図2は、下側から見た図1の積層チップパッケージを示す斜視図である。図3は、図1に示した積層チップパッケージに含まれる1つの階層部分を示す平面図である。図4は、図3に示した階層部分を示す斜視図である。図5は、図1に示した積層チップパッケージに含まれる第1および第2の階層部分を示す斜視図である。
次に、本発明の第2の実施の形態について説明する。始めに、図33および図34を参照して、本実施の形態に係る積層チップパッケージの構成について説明する。図33は、本実施の形態に係る積層チップパッケージの斜視図である。図34は、下側から見た図33の積層チップパッケージを示す斜視図である。
Claims (7)
- 本体と、配線とを備え、
前記本体は、積層された3つ以上の階層部分を含むと共に上面と下面を有する主要部分と、前記主要部分の上面に配置された複数の第1の端子と、前記主要部分の下面に配置された複数の第2の端子とを有し、
前記配線は、前記複数の第1の端子および複数の第2の端子に電気的に接続されると共に前記3つ以上の階層部分の全てを経由する複数のラインを含み、
前記3つ以上の階層部分の各々は、第1の面とその反対側の第2の面とを有する半導体チップと、前記配線に電気的に接続された複数の電極とを含み、
前記3つ以上の階層部分のうちの少なくとも1つにおいて、前記複数の電極は前記半導体チップに電気的に接続され、
前記複数の電極は、前記半導体チップの前記第1の面側に配置され、
前記3つ以上の階層部分は、前記主要部分の上面に最も近い第1の階層部分と前記主要部分の下面に最も近い第2の階層部分とを含み、
前記第1の階層部分と前記第2の階層部分は、それぞれに含まれる前記半導体チップの第2の面同士が互いに向き合うように配置され、
前記複数の第1の端子は、前記第1の階層部分における前記複数の電極を用いて構成され、
前記複数の第2の端子は、前記第2の階層部分における前記複数の電極を用いて構成され、
前記3つ以上の階層部分における前記複数の電極のレイアウトは同じであり、
前記複数の電極は、前記第1の階層部分において前記複数の第1の端子を構成するために用いられる複数の第1の端子構成部と、前記第2の階層部分において前記複数の第2の端子を構成するために用いられる複数の第2の端子構成部とを含み、
前記第1の階層部分では、前記複数の第2の端子構成部は、前記複数の第1の端子を構成するために用いられず、
前記第2の階層部分では、前記複数の第1の端子構成部は、前記複数の第2の端子を構成するために用いられないことを特徴とする積層チップパッケージ。 - 前記複数の電極は、1つの第1の端子構成部と1つの第2の端子構成部とを電気的に接続する接続部を1つ以上含むことを特徴とする請求項1記載の積層チップパッケージ。
- 前記複数の電極は、前記半導体チップとの電気的接続のための複数のチップ接続電極を含み、
前記3つ以上の階層部分のうちの少なくとも1つにおいて、前記複数のチップ接続電極は、前記半導体チップに接触してこれに電気的に接続されていることを特徴とする請求項1記載の積層チップパッケージ。 - 前記複数の電極は、前記複数の第1の端子と複数の第2の端子のいずれを構成するためにも用いられない1つ以上の電極を含むことを特徴とする請求項1記載の積層チップパッケージ。
- 前記複数のラインは、前記主要部分内の全ての階層部分に共通する用途を有する複数の共通ラインと、互いに異なる階層部分によって利用される複数の階層依存ラインとを含み、
前記複数の電極は、前記複数の共通ラインに電気的に接続された複数の共通電極と、前記複数の階層依存ラインのうち、その階層部分が利用する階層依存ラインにのみ選択的に、電気的に接続された選択的接続電極とを含み、
前記3つ以上の階層部分のうちの少なくとも1つにおいて、前記複数の共通電極および前記選択的接続電極が前記半導体チップに電気的に接続されることによって、前記半導体チップが前記複数の共通ラインおよび前記階層依存ラインに電気的に接続されていることを特徴とする請求項1記載の積層チップパッケージ。 - 前記半導体チップは、複数のメモリセルを含むことを特徴とする請求項1記載の積層チップパッケージ。
- 請求項1記載の積層チップパッケージを複数個製造する方法であって、
各々が前記3つ以上の階層部分のいずれかとなる予定の、配列された複数の予備階層部分を含み、後に隣接する予備階層部分の境界位置で切断される3つ以上の基礎構造物を積層して、積層基礎構造物を作製する工程と、
前記積層基礎構造物を用いて、前記積層チップパッケージを複数個作製する工程とを備え、
前記3つ以上の基礎構造物の各々は、前記半導体チップの第1および第2の面に対応する第1および第2の面を有し、
前記積層基礎構造物を作製する工程は、前記3つ以上の基礎構造物が積層された方向の両端に位置する2つの基礎構造物の第2の面同士が互いに向き合うように前記積層基礎構造物を作製することを特徴とする積層チップパッケージの製造方法。
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