JP2009152262A - 半導体装置およびその製造方法 - Google Patents
半導体装置およびその製造方法 Download PDFInfo
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- JP2009152262A JP2009152262A JP2007326740A JP2007326740A JP2009152262A JP 2009152262 A JP2009152262 A JP 2009152262A JP 2007326740 A JP2007326740 A JP 2007326740A JP 2007326740 A JP2007326740 A JP 2007326740A JP 2009152262 A JP2009152262 A JP 2009152262A
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- semiconductor chip
- semiconductor device
- wiring board
- terminals
- bonding wires
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Abstract
【解決手段】配線基板2上に搭載された半導体チップ5の電極15と配線基板2の接続端子25a,25b,25cとの間をボンディングワイヤ7a,7bで接続し、樹脂封止して半導体装置が形成されている。配線基板2の上面において、接続端子25a,25b,25cは半導体チップ5の辺5bに沿って3列に配置されている。3列のうち、半導体チップ5の辺5bに最も近い1列目の接続端子25aには、ループ高さが低いボンディングワイヤ7aが接続され、半導体チップ5の辺5bから最も遠い3列目の接続端子25cには、ループ高さが高いボンディングワイヤ7bが接続され、2列目の接続端子25bには、ボンディングワイヤ7aまたはボンディングワイヤ7bが接続されている。
【選択図】図20
Description
本発明の一実施の形態の半導体装置およびその製造方法(製造工程)を図面を参照して説明する。
図22〜図24は、本発明の他の実施の形態の半導体装置の要部平面図であり、図25は、その要部断面図である。なお、図22〜図24は上記実施の形態1の図18〜図20にそれぞれ対応するものであり、図25は上記実施の形態1の図6に対応するものである。
図26および図27は、本発明の更に他の実施の形態の半導体装置の要部平面図であり、図28は、その要部断面図である。なお、図26および図27は上記実施の形態1の図18および図20にそれぞれ対応するものである。また、図26のC−C線における半導体装置の断面が、図28にほぼ対応する。
2 配線基板
2a 上面
2b 下面
3,4,5 半導体チップ
5a 表面
5b,5c,5d,5e 辺
6,7,7a,7b,7c1〜7c6 ボンディングワイヤ
8 封止樹脂
9 半田ボール
10,11,12 接着材
13,14,15,15a,15b 電極
21 絶縁体層
22 導体パターン
23,24,25,25a,25b,25c 接続端子
26 端子
27 ソルダレジスト層
28 導体層
31 配線基板
32 半導体装置領域
33 封止体
41 めっき線
D1,D2 距離
h1,h2 ループ高さ
Claims (18)
- 第1主面を有する配線基板と、
前記配線基板の前記第1主面上に搭載され、かつ第2主面を有する第1半導体チップと、
前記第1半導体チップの前記第2主面上に形成され、かつ前記第2主面の第1の辺に沿って配置された複数の電極と、
前記配線基板の前記第1の主面上に形成され、かつ前記半導体チップの前記第1の辺に沿って3列に配置された複数の端子と、
前記第1半導体チップの前記複数の電極と前記配線基板の前記複数の端子とをそれぞれ接続する複数のボンディングワイヤと、
前記配線基板の前記第1主面上に形成され、前記第1半導体チップおよび前記複数のボンディングワイヤを封止する封止樹脂と、
を有し、
前記配線基板の前記複数の端子は、前記3列のうち前記半導体チップの前記第1の辺に近い第1の列に属する複数の第1端子と、前記3列のうち前記半導体チップの前記第1の辺から前記第1の列よりも離れた第2の列に属する複数の第2端子と、前記3列のうち前記半導体チップの前記第1の辺から前記第2の列よりも離れた第3の列に属する複数の第3端子とからなり、
前記複数のボンディングワイヤは、第1のループ高さを有する第1ボンディングワイヤと、前記第1のループ高さよりも高い第2のループ高さを有する第2ボンディングワイヤとを有し、
前記複数の第1端子には前記第1ボンディングワイヤが接続され、
前記複数の第3端子には前記第2ボンディングワイヤが接続され、
前記複数の第2端子には前記第1ボンディングワイヤまたは前記第2ボンディングワイヤが接続されていることを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記複数のボンディングワイヤにおいて、前記第2端子に接続された前記第1ボンディングワイヤの両隣には前記第2ボンディングワイヤが配置され、
前記第2端子に接続された前記第2ボンディングワイヤの両隣には前記第1ボンディングワイヤが配置されていることを特徴とする半導体装置。 - 請求項2記載の半導体装置において、
前記複数のボンディングワイヤにおいて、前記第2端子に接続された前記第1ボンディングワイヤの両隣には、前記第3端子に接続された前記第2ボンディングワイヤが配置され、
前記第2端子に接続された前記第2ボンディングワイヤの両隣には、前記第1端子に接続された前記第1ボンディングワイヤが配置されていることを特徴とする半導体装置。 - 請求項3記載の半導体装置において、
前記複数のボンディングワイヤは、前記第1のボンディングワイヤと第2のボンディングワイヤとが交互に配列していることを特徴とする半導体装置。 - 請求項4記載の半導体装置において、
前記配線基板の前記第1主面において、前記複数の第1端子と前記複数の第2端子と前記複数の第3端子とは、前記ボンディングワイヤの延在方向に互いに重ならないようにずれて配列していることを特徴とする半導体装置。 - 請求項5記載の半導体装置において、
前記複数のボンディングワイヤは、
前記第1端子とそれに対応する前記電極とを接続する前記第1ボンディングワイヤと、
前記第2端子とそれに対応する前記電極とを接続する前記第2ボンディングワイヤと、
前記第1端子とそれに対応する前記電極とを接続する前記第1ボンディングワイヤと、
前記第3端子とそれに対応する前記電極とを接続する前記第2ボンディングワイヤと、
前記第2端子とそれに対応する前記電極とを接続する前記第1ボンディングワイヤと、
前記第3端子とそれに対応する前記電極とを接続する前記第2ボンディングワイヤとが順に配列していることを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記複数の電極は、前記第1半導体チップの前記第2主面上に、前記第1の辺に沿って2列に配置され、
前記複数の電極は、前記2列のうち前記第1の辺に近い第4の列に属する複数の第1電極と、前記2列のうち前記第1の辺から前記第4の列よりも離れた第5の列に属する複数の第2電極とからなり、
前記複数の第1電極には前記第1ボンディングワイヤが接続され、
前記複数の第2電極には前記第2ボンディングワイヤが接続されていることを特徴とする半導体装置。 - 請求項7記載の半導体装置において、
前記第1半導体チップの前記第2主面において、前記複数の第2電極は、それぞれ前記複数の第1電極の配列の間に配置されていることを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記複数の電極は、前記第1半導体チップの前記第2主面上に、前記第1の辺に沿って1列に配置され、
前記第1ボンディングワイヤと前記複数の電極との接続位置に比べて、前記第2ボンディングワイヤと前記複数の電極との接続位置は、前記半導体チップの前記第1の辺から遠い位置であることを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記複数の第1端子は、グランド電位または電源電位に接続する端子であることを特徴とする半導体装置。 - 請求項10記載の半導体装置において、
前記配線基板は多層配線基板であり、
前記複数の第1端子は、前記配線基板の内部の配線層を介して互いに電気的に接続されていることを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記第1半導体チップが、前記配線基板の前記第1主面上に第2半導体チップを介在して搭載されていることを特徴とする半導体装置。 - 請求項12記載の半導体装置において、
前記第2半導体チップはメモリチップであり、
前記第1半導体チップは、前記第2半導体チップの制御用チップであることを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記配線基板の前記第1主面上に前記第2半導体チップが搭載され、
前記第2半導体チップ上に第3半導体チップが搭載され、
前記第3半導体チップ上に前記第1半導体チップが搭載され、
前記封止樹脂は、前記配線基板の前記第1主面上に前記第1、第2および第3半導体チップと前記複数のボンディングワイヤとを封止するように形成されていることを特徴とする半導体装置。 - 請求項14記載の半導体装置において、
前記第2半導体チップおよび前記第3半導体チップはメモリチップであり、
前記第1半導体チップは、前記第2半導体チップおよび前記第3半導体チップの制御用チップであることを特徴とする半導体装置。 - (a)第1の主面を有する配線基板と、第2の主面を有する第1半導体チップとを準備する工程、
(b)前記第1半導体チップを前記配線基板の前記第1主面上に搭載する工程、
(c)前記第1半導体チップの前記第2主面上に前記第2主面の第1の辺に沿って配置された複数の電極と、前記配線基板の前記第1の主面上に前記半導体チップの前記第1の辺に沿って3列に配置された複数の端子とを、複数のボンディングワイヤで接続する工程、
(d)前記配線基板の前記第1主面上に前記第1半導体チップおよび前記複数のボンディングワイヤを覆うように封止樹脂を形成する工程、
を有し、
前記配線基板の前記複数の端子は、前記3列のうち前記半導体チップの前記第1の辺に近い第1の列に属する複数の第1端子と、前記3列のうち前記半導体チップの前記第1の辺から前記第1の列よりも離れた第2の列に属する複数の第2端子と、前記3列のうち前記半導体チップの前記第1の辺から前記第2の列よりも離れた第3の列に属する複数の第3端子とからなり、
前記複数のボンディングワイヤは、第1のループ高さを有する第1ボンディングワイヤと、前記第1のループ高さよりも高い第2のループ高さを有する第2ボンディングワイヤとを有し、
前記(c)工程では、前記複数の第1端子には前記第1ボンディングワイヤが接続され、前記複数の第2端子には前記第1ボンディングワイヤまたは前記第2ボンディングワイヤが接続され、前記複数の第3端子には前記第2ボンディングワイヤが接続されることを特徴とする半導体装置の製造方法。 - 請求項16記載の半導体装置の製造方法において、
前記(c)工程は、
(c1)前記複数の第2端子の一部および前記複数の第1端子と、それらに対応する前記電極とを、それぞれ前記第1ボンディングワイヤで接続する工程、
(c2)前記(c1)工程の後、前記複数の第2端子の他の一部および前記複数の第3端子と、それらに対応する前記電極とを、それぞれ前記第2ボンディングワイヤで接続する工程、
を有することを特徴とする半導体装置の製造方法。 - 請求項17記載の半導体装置の製造方法において、
前記(b)工程前に、
(b1)前記配線基板の前記第1主面上に第2半導体チップを搭載する工程、
(b2)前記配線基板上に搭載された前記第2半導体チップ上に第3半導体チップを搭載する工程、
(b3)前記第2半導体チップの主面上に配置された複数の第3電極と前記配線基板の前記第1の主面上に配置された複数の第4端子との間、および前記第3半導体チップの主面上に配置された複数の第4電極と前記配線基板の前記第1の主面上に配置された複数の第5端子との間を、複数の第3ボンディングワイヤで接続する工程、
を更に有し、
前記(b)工程では、前記第3半導体チップ上に前記第1半導体チップを搭載することを特徴とする半導体装置の製造方法。
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