JP5103155B2 - 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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- JP5103155B2 JP5103155B2 JP2007326740A JP2007326740A JP5103155B2 JP 5103155 B2 JP5103155 B2 JP 5103155B2 JP 2007326740 A JP2007326740 A JP 2007326740A JP 2007326740 A JP2007326740 A JP 2007326740A JP 5103155 B2 JP5103155 B2 JP 5103155B2
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- semiconductor chip
- connection terminals
- connection
- terminals
- electrodes
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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 (7)
- 以下の工程を含むことを特徴とする半導体装置の製造方法:
(a)平面形状が第1装置領域辺を有する四角形から成る上面と、前記上面に形成され、かつ、平面視において前記第1装置領域辺に沿って3列に亘って配置された複数の接続端子と、前記上面とは反対側の下面とを有する半導体装置領域を備えた配線基板を準備する工程;
(b)平面形状が第1チップ辺を有する四角形から成る表面と、前記表面に形成され、かつ、前記第1チップ辺に沿って配置された複数の電極と、前記表面とは反対側の裏面とを備えた半導体チップを、前記裏面が前記配線基板の前記上面と対向するように、かつ、平面視において前記第1チップ辺が前記第1装置領域辺と並ぶように、かつ、平面視において前記第1チップ辺と前記第1装置領域辺との間に前記複数の接続端子が位置するように、かつ、前記複数の接続端子が露出するように、前記配線基板の前記半導体装置領域の前記上面に搭載する工程;
(c)前記(b)工程の後、前記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接続端子とを、複数のボンディングワイヤを介してそれぞれ電気的に接続する工程;
(d)前記(c)工程の後、前記半導体チップおよび前記複数のボンディングワイヤを樹脂材料で封止し、封止体を形成する工程;
ここで、
前記(a)工程で準備する前記配線基板の前記半導体装置領域の前記上面に形成された前記複数の接続端子は、前記3列のうちの1列目に配置された複数の第1接続端子と、平面視において前記1列目よりも前記第1装置領域辺に近い2列目に配置された複数の第2接続端子と、平面視において前記2列目よりも前記第1装置領域辺に近い3列目に配置された複数の第3接続端子とを有し、
さらに、前記複数の第2接続端子は、前記複数の第1接続端子のうちの互いに隣り合う第1接続端子間領域の延長線上にそれぞれ位置する複数の第2高端子と、前記複数の第3接続端子のうちの互いに隣り合う第3接続端子間領域の延長線上にそれぞれ位置する複数の第2低端子とを有し、
前記複数のボンディングワイヤは、前記複数の第1接続端子とそれぞれ電気的に接続される複数の第1接続端子用ワイヤと、前記複数の第2高端子とそれぞれ電気的に接続される複数の第2高端子用ワイヤと、前記複数の第2低端子とそれぞれ電気的に接続される複数の第2低端子用ワイヤと、前記複数の第3接続端子とそれぞれ電気的に接続される複数の第3接続端子用ワイヤとを有し、
前記(c)工程では、前記複数の第1接続端子用ワイヤおよび前記複数の第2低端子用ワイヤを介して前記複数の電極と前記複数の第1接続端子および前記複数の第2低端子とをそれぞれ電気的に接続した後、前記複数の第2高端子用ワイヤおよび前記複数の第3接続端子用ワイヤを介して前記複数の電極と前記複数の第2高端子および前記複数の第3接続端子とをそれぞれ電気的に接続し、
さらに、前記(c)工程では、前記複数の第2高端子用ワイヤおよび前記複数の第3接続端子用ワイヤのそれぞれのループ高さが、前記複数の第1接続端子用ワイヤおよび前記複数の第2低端子用ワイヤのそれぞれのループ高さよりも高くなるように、前記複数のボンディングワイヤを介して前記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接続端子とをそれぞれ電気的に接続し、
前記複数の第2高端子用ワイヤのそれぞれのループ高さは、前記複数の第3接続端子用ワイヤのそれぞれのループ高さと同じであり、
前記複数の第1接続端子用ワイヤのそれぞれのループ高さは、前記複数の第2低端子用ワイヤのそれぞれのループ高さと同じである。 - 請求項1において、
前記(c)工程の後、前記複数の第2高端子用ワイヤのそれぞれは、平面視において、前記複数の第1接続端子用ワイヤのうちの互いに隣り合う第1接続端子用ワイヤ間に位置しており、かつ、前記複数の第2低端子用ワイヤのそれぞれは、平面視において、前記複数の第3接続端子用ワイヤのうちの互いに隣り合う第3接続端子用ワイヤ間に位置していることを特徴とする半導体装置の製造方法。 - 請求項2において、
前記半導体チップの前記複数の電極は、平面視において前記第1チップ辺に沿って1列で配置されており、
前記複数の電極のそれぞれは、第1接続領域と、前記第1接続領域よりも前記第1チップ辺から遠い第2接続領域とを有し、
前記(c)工程では、前記複数の第1接続端子用ワイヤおよび前記複数の第2低端子用ワイヤを介して前記複数の電極のそれぞれにおける前記第1接続領域と前記複数の第1接続端子および前記複数の第2低端子とをそれぞれ電気的に接続した後、前記複数の第2高端子用ワイヤおよび前記複数の第3接続端子用ワイヤを介して前記複数の電極のそれぞれにおける前記第2接続領域と前記複数の第2高端子および前記複数の第3接続端子とをそれぞれ電気的に接続することを特徴とする半導体装置の製造方法。 - 請求項2において、
前記半導体チップの前記複数の電極は、平面視において前記第1チップ辺に沿って2列に亘って配置されており、
前記複数の電極は、前記2列のうちの1列目に配置された複数の第1電極と、平面視において前記1列目よりも前記第1チップ辺から遠い2列目に配置された複数の第2電極とを有し、
前記(c)工程では、前記複数の第1接続端子用ワイヤおよび前記複数の第2低端子用ワイヤを介して前記複数の第1電極と前記複数の第1接続端子および前記複数の第2低端子とをそれぞれ電気的に接続した後、前記複数の第2高端子用ワイヤおよび前記複数の第3接続端子用ワイヤを介して前記複数の第2電極と前記複数の第2高端子および前記複数の第3接続端子とをそれぞれ電気的に接続することを特徴とする半導体装置の製造方法。 - 請求項1において、
前記(d)工程の後、
(e)前記配線基板を前記半導体装置領域に切断する工程、
を更に有することを特徴とする半導体装置の製造方法。 - 平面形状が第1装置領域辺を有する四角形から成る上面、前記上面に形成され、かつ、平面視において前記第1装置領域辺に沿って3列に亘って配置された複数の接続端子、および前記上面とは反対側の下面を有する配線基板と、
平面形状が第1チップ辺を有する四角形から成る表面、前記表面に形成され、かつ、前記第1チップ辺に沿って配置された複数の電極、前記表面とは反対側の裏面を有し、前記裏面が前記配線基板の前記上面と対向するように、かつ、平面視において前記第1チップ辺が前記第1装置領域辺と並ぶように、かつ、平面視において前記第1チップ辺と前記第1装置領域辺との間に前記複数の接続端子が位置するように、かつ、前記複数の接続端子が露出するように、前記配線基板の前記上面に搭載された半導体チップと、
前記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接続端子とを、それぞれ電気的に接続する複数のボンディングワイヤと、
前記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体と、
を含み、
前記複数の接続端子は、前記3列のうちの1列目に配置された複数の第1接続端子と、平面視において前記1列目よりも前記第1装置領域辺に近い2列目に配置された複数の第2接続端子と、平面視において前記2列目よりも前記第1装置領域辺に近い3列目に配置された複数の第3接続端子とを有し、
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複数の第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のループ高さをそれぞれ有する複数の第2ボンディングワイヤとを有し、
前記複数の第1接続端子には、前記複数の第1ボンディングワイヤがそれぞれ接続され、
前記複数の第2接続端子には、前記複数の第1ボンディングワイヤまたは前記複数の第2ボンディングワイヤがそれぞれ接続され、
前記複数の第3接続端子には、前記複数の第2ボンディングワイヤがそれぞれ接続されていることを特徴とする半導体装置。 - 請求項6において、
さらに、前記複数の第2接続端子は、前記複数の第1接続端子のうちの互いに隣り合う第1接続端子間領域の延長線上にそれぞれ位置する複数の第2高端子と、前記複数の第3接続端子のうちの互いに隣り合う第3接続端子間領域の延長線上にそれぞれ位置する複数の第2低端子とを有し、
前記複数の第1ボンディングワイヤは、前記複数の第1接続端子とそれぞれ電気的に接続される複数の第1接続端子用ワイヤと、前記複数の第2低端子とそれぞれ電気的に接続される複数の第2低端子用ワイヤとを有し、
前記複数の第2ボンディングワイヤは、前記複数の第2高端子とそれぞれ電気的に接続される複数の第2高端子用ワイヤと、前記複数の第3接続端子とそれぞれ電気的に接続される複数の第3接続端子用ワイヤとを有し、
前記複数の第2高端子用ワイヤのそれぞれは、平面視において、前記複数の第1接続端子用ワイヤのうちの互いに隣り合う第1接続端子用ワイヤ間に位置しており、かつ、前記複数の第2低端子用ワイヤのそれぞれは、平面視において、前記複数の第3接続端子用ワイヤのうちの互いに隣り合う第3接続端子用ワイヤ間に位置していることを特徴とする半導体装置。
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