JP2008078367A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP2008078367A JP2008078367A JP2006255548A JP2006255548A JP2008078367A JP 2008078367 A JP2008078367 A JP 2008078367A JP 2006255548 A JP2006255548 A JP 2006255548A JP 2006255548 A JP2006255548 A JP 2006255548A JP 2008078367 A JP2008078367 A JP 2008078367A
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- semiconductor chip
- semiconductor
- semiconductor device
- wiring board
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Abstract
【解決手段】平面寸法が異なる複数の半導体チップ2M1,2M2,2Cを、DAF5a〜5cを介して積み重ねた状態で同一の封止体4内に収める構成を有する半導体装置1Aにおいて、制御回路が形成された最上の半導体チップ2Cの裏面のDAF5cの厚さを、メモリ回路が形成された下層の半導体チップ2M1,2M2の裏面のDAF5a,5bの各々よりも厚くした。これにより、最上の半導体チップ2Cと配線基板3とを接続するボンディングワイヤが下層の半導体チップ2M2の主面角部に接触する不良を低減できる。
【選択図】図2
Description
図1は本実施の形態1の半導体装置の平面図、図2は図1のX1−X1線の断面図、図3は図1のX1−X1線の断面図であってX1−X1線の矢印とは反対の方向から見た場合の断面図、図4は図2の領域Aの拡大断面図、図5(a)は本発明者が検討した半導体装置の要部断面図、(b)は本実施の形態1の半導体装置の要部断面図である。
前記実施の形態1においては、高速動作が要求される電子機器に半導体装置1Aを適用することを想定していたので半導体チップ2M1,2M2のフラッシュメモリがAND型の場合ついて説明したが、これに限定されるものではなく、例えばNAND型のフラッシュメモリを使用しても良い。
前記実施の形態1,2においては、メモリ回路用の半導体チップが2個積み重ねられている場合について説明したが、これに限定されるものではなく、例えば3個以上積み重ねても良いし、1個だけでも良い。
図17は本実施の形態4の半導体装置の平面図、図18は図17のY1−Y1線の断面図である。なお、図17では半導体装置の内部構成を透かして見せている。
2W 半導体ウエハ
2M1,2M2 半導体チップ(第1半導体チップ)
2M3 半導体チップ(第2半導体チップ)
2C 半導体チップ(第2半導体チップ)
2P 半導体チップ(第1半導体チップ)
3 配線基板(チップ搭載部材)
4 封止体
5a,5b DAF(第1絶縁フィルム)
5c DAF(第2絶縁フィルム)
6a,6b、6d ボンディングワイヤ(第1ボンディングワイヤ)
6c,6e ボンディングワイヤ(第2ボンディングワイヤ)
7a,7b 電極
8 バンプ電極
8a 電極
8b バンプ部
9a,9b,9c ボンディングパッド
15 砥石
16 ウエハシート
17 ウエハリング
18,19 ダイシングブレード
25 リードフレーム
25a タブ
25b リード
25bi インナーリード
25bo アウターリード
25c タブ吊りリード
100A 半導体チップ
100B 半導体チップ
101 搭載基板
SR ソルダーレジスト
Claims (13)
- 厚さ方向に沿って互いに反対側に位置する第1主面および第2主面を持つ配線基板と、
前記配線基板の第2主面上に、接着性を有する第1絶縁フィルムを介して搭載された第1半導体チップと、
前記第1半導体チップの電極を前記配線基板の電極に電気的に接続する正ボンディング方式の第1ボンディングワイヤと、
前記第1半導体チップ上に、接着性を有する第2絶縁フィルムを介して搭載された第2半導体チップと、
前記第2半導体チップの電極を前記配線基板の電極に電気的に接続する正ボンディング方式の第2ボンディングワイヤとを有し、
前記第1半導体チップの平面寸法は、前記第2半導体チップの平面寸法よりも大きく、
前記第2絶縁フィルムの厚さは、前記第1絶縁フィルムの厚さよりも厚い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半導体チップにはメモリ回路が形成されており、前記第2半導体チップには論理回路が形成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2半導体チップは、前記第1半導体チップよりも厚い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半導体チップは、複数の同一種類の半導体チップを、前記配線基板の第2主面に交差する方向に積み重ねることで構成されていることを特徴とする半導体装置。
- 厚さ方向に沿って互いに反対側に位置する第1主面および第2主面を持つ配線基板と、
前記配線基板の第2主面上に、接着性を有する第1絶縁フィルムを介して搭載されたメモリ回路用の半導体チップと、
前記メモリ回路用の半導体チップの電極を前記配線基板の電極に電気的に接続する正ボンディング方式の第1ボンディングワイヤと、
前記メモリ回路用の半導体チップ上に、接着性を有する第2絶縁フィルムを介して搭載された論理回路用の半導体チップと、
前記論理回路用の半導体チップの電極を前記配線基板の電極に電気的に接続する正ボンディング方式の第2ボンディングワイヤとを有し、
前記メモリ回路用の半導体チップの平面寸法は、前記論理回路用の半導体チップの平面寸法よりも大きく、
前記第2絶縁フィルムの厚さは、前記第1絶縁フィルムよりも厚い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、前記論理回路用の半導体チップは、前記メモリ回路用の半導体チップよりも厚い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、前記メモリ回路用の半導体チップは、前記配線基板の第2主面上に複数積み重ねら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、前記配線基板の第2主面上に複数積み重ねられている前記メモリ回路用の半導体チップは同一種類のメモリ回路用の半導体チップであ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、前記論理回路用の半導体チップの電極と、前記配線基板の電極と、これらの電極同士を電気的に接続する前記第2ボンディングワイヤとは、前記メモリ回路用の半導体チップの長辺側に配置され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、前記メモリ回路用の半導体チップにはAND型のメモリ回路が形成され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、前記メモリ回路用の半導体チップにはNAND型のメモリ回路が形成されていることを特徴とする半導体装置。
- 厚さ方向に沿って互いに反対側に位置する第1主面および第2主面を持つチップ搭載部材と、
前記チップ搭載部材の第2主面上に、接着性を有する第1絶縁フィルムを介して搭載された第1半導体チップと、
前記第1半導体チップの電極を前記チップ搭載部材の電極に電気的に接続する正ボンディング方式の第1ボンディングワイヤと、
前記第1半導体チップ上に、接着性を有する第2絶縁フィルムを介して搭載された第2半導体チップと、
前記第2半導体チップの電極を前記チップ搭載部材の電極に電気的に接続する正ボンディング方式の第2ボンディングワイヤとを有し、
前記第1半導体チップの平面寸法は、前記第2半導体チップの平面寸法よりも大きく、
前記第2絶縁フィルムの厚さは、前記第1絶縁フィルムよりも厚い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、前記チップ搭載部材がリードフレームであり、前記チップ搭載部材の電極がリードであることを特徴とする半導体装置。
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US11/851,982 US7795741B2 (en) | 2006-09-21 | 2007-09-07 | Semiconductor device |
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US12/846,616 US7923292B2 (en) | 2006-09-21 | 2010-07-29 | Semiconductor device |
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JP2010040955A (ja) * | 2008-08-08 | 2010-02-18 | Renesas Technology Corp | 半導体装置及びその製造方法 |
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JP2019004053A (ja) * | 2017-06-15 | 2019-01-10 | 株式会社デンソー | 半導体装置およびその製造方法 |
Also Published As
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KR101397203B1 (ko) | 2014-05-20 |
TWI419240B (zh) | 2013-12-11 |
US20100311205A1 (en) | 2010-12-09 |
CN101150118A (zh) | 2008-03-26 |
US8518744B2 (en) | 2013-08-27 |
US20110159641A1 (en) | 2011-06-30 |
US7795741B2 (en) | 2010-09-14 |
US20080251897A1 (en) | 2008-10-16 |
KR20080027158A (ko) | 2008-03-26 |
US7923292B2 (en) | 2011-04-12 |
TW200818351A (en) | 2008-04-16 |
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