JP5752026B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP5752026B2 JP5752026B2 JP2011276483A JP2011276483A JP5752026B2 JP 5752026 B2 JP5752026 B2 JP 5752026B2 JP 2011276483 A JP2011276483 A JP 2011276483A JP 2011276483 A JP2011276483 A JP 2011276483A JP 5752026 B2 JP5752026 B2 JP 5752026B2
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Description
図1は本発明の実施の形態1の半導体装置の構造の一例を示す平面図、図2は図1の半導体装置の構造の一例を示す裏面図、図3は図1の半導体装置の構造を封止体を透過して示す平面図、図4は図3のA−A線に沿って切断した構造の一例を示す断面図、図5は図3のB−B線に沿って切断した構造の一例を示す断面図である。また、図6は図1の半導体装置に搭載される1段目の半導体チップの構造の一例を示す平面図、図7は図6のA−A線に沿って切断した構造の一例を示す部分断面図、図8は図1の半導体装置に搭載される2段目の半導体チップの構造の一例を示す平面図、図9は図8のA−A線に沿って切断した構造の一例を示す断面図、図10は図9のBCB膜の分子構造を表す構造式の一例を示す平面図である。
図25は本発明の実施の形態2の半導体装置の構造の一例を示す平面図、図26は図25の半導体装置の構造の一例を示す裏面図、図27は図25の半導体装置の構造を封止体を透過して示す平面図、図28は図27のA−A線に沿って切断した構造の一例を示す断面図、図29は図27のB−B線に沿って切断した構造の一例を示す断面図である。さらに、図30は図25の半導体装置に搭載される3段目の半導体チップの構造の一例を示す平面図、図31は図30のA−A線に沿って切断した構造の一例を示す部分断面図である。
例えば、前記実施の形態1,2では、ダイパッド8dの周囲に設けられた複数のバーリード8fを有するQFP構造について説明したが、図38及び図39に示すように、バーリード8fがなくてもよい。この場合、前記実施の形態1,2で説明したダイパッド8dの外形サイズよりも大きい外形サイズのダイパッド8dを使用する。そして、1段目の半導体チップ1から露出するダイパッド8dの上面8daにおける周縁部にワイヤ5aを接続するものである。これにより、前記実施の形態1、2に比べ、QFP9の放熱効果をより高めることができる。また、ダイパッド8dの半田接続を行う場合、前記実施の形態1,2に比べ、QFP9を実装基板に実装した際の実装強度を高めることができる。
また、例えば図40及び図41に示すように、ダイパッドの外形サイズが1段目の半導体チップの外形サイズよりも小さいダイパッド、詳細に説明すると、ダイパッド8dの上面8daが半導体チップ1の裏面1bより小さい、所謂、小タブを採用してもよい。なお、図40では、便宜上、図を分かり易くするために各チップの電極パッド及び複数のワイヤを省略して示している。
また、前記実施の形態1,2では、半導体装置がQFPの場合を取り上げて説明したが、前記半導体装置は、ダイパッド露出型で、かつ複数の半導体チップが積層された構造であれば、QFPに限らず、図42〜図44の変形例3に示すようなQFN(Quad Flat Non-leaded Package) 10であってもよい。QFN10は、複数のリード8aのそれぞれが上面(ワイヤ接合面)8aaと下面(実装面)8abを有し、各リード8aの下面8abが、アウタ部として封止体4の下面4bに露出しているものである。
1a 表面(主面)
1b 裏面
1c 電極パッド
1d シリコン基板
1e 半導体素子
1f 窒化シリコン膜
1g ポリイミド膜(保護膜)
2 半導体チップ
2a 表面(主面)
2b 裏面
2c 電極パッド
2d シリコン基板
2e 半導体素子
2f 窒化シリコン膜
2g ポリイミド膜(保護膜)
2h,2i BCB膜(保護膜)
2j 再配線(配線層)
2k 再配置パッド(一部)
3 半導体チップ
3a 表面(主面)
3b 裏面
3c 電極パッド
3d シリコン基板
3e 半導体素子
3f 窒化シリコン膜
3g ポリイミド膜
4 封止体
4a 側面
4b 下面
5a,5b ワイヤ(導電性部材)
6 QFP(半導体装置)
7 ベンゾシクロブテン
8 リードフレーム
8a リード
8aa 上面
8ab 下面
8b アウタリード
8ba 下面
8c 吊りリード
8d ダイパッド
8da 上面
8db 下面
8e インナリード
8ea 上面
8f バーリード
8g 開口部
8h 連結部
8i デバイス領域
8j 枠部
8k タイバー
9 QFP(半導体装置)
10 QFN(半導体装置)
11 ダイボンド材
12 ダイボンド材
13 半田材
Claims (13)
- 上面、及び前記上面とは反対側の下面を有するダイパッドと、
前記ダイパッドの周囲に配置された複数のリードと、
第1主面、前記第1主面上に形成された複数の第1電極パッド、前記複数の第1電極パッドを露出するように前記第1主面上に形成された第1保護膜、及び前記第1主面とは反対側の第1裏面を有し、前記第1裏面が前記ダイパッドの前記上面と対向するように前記ダイパッド上に搭載された第1半導体チップと、
第2主面、前記第2主面上に形成された複数の第2電極パッド、前記複数の第2電極パッドを露出するように前記第2主面上に形成された第2保護膜、及び前記第2主面とは反対側の第2裏面を有し、前記第2裏面が前記第1半導体チップの前記第1主面と対向するように前記第1半導体チップ上に搭載された第2半導体チップと、
前記複数の第1電極パッドと前記複数のリードとをそれぞれ電気的に接続する複数の第1導電性部材と、
前記複数の第1電極パッドと前記複数の第2電極パッドとをそれぞれ電気的に接続する複数の第2導電性部材と、
前記ダイパッドの前記下面が露出するように、前記ダイパッド、前記第1半導体チップ、前記第2半導体チップ、前記複数の第1導電性部材、および前記複数の第2導電性部材を封止する封止体と、
を含み、
前記第2保護膜は、有機モノマーとしてベンゾシクロブテンを骨格に含む高分子から成り、
前記第1保護膜は、前記第2保護膜とは異なる材料から成る、半導体装置。 - 請求項1に記載の半導体装置において、
前記第2半導体チップの前記第2主面上に、前記第2保護膜を介して、さらに複数の配線が形成されており、
前記複数の配線は、前記複数の第2電極パットとそれぞれ電気的に接続されている、半導体装置。 - 請求項2に記載の半導体装置において、
前記第2半導体チップの前記第2主面上に、さらに第3保護膜が形成されており、
前記第3保護膜は、前記複数のそれぞれの配線の一部を露出するように前記複数の配線上に形成され、かつ有機モノマーとしてベンゾシクロブテンを骨格に含む高分子から成る、半導体装置。 - 請求項3に記載の半導体装置において、
前記複数の配線は、金から成る、半導体装置。 - 請求項3に記載の半導体装置において、
前記第3保護膜は、前記第2半導体チップの前記第2主面上で最上層に位置する保護膜である、半導体装置。 - 請求項3に記載の半導体装置において、
前記第2半導体チップの前記第2主面は、平面視において、第1方向に延在する第1辺と、前記第1方向と交差する第2方向に延在する第2辺と、を有し、
前記複数の第2電極パッドは、前記第1方向に沿って、前記第1辺側に配置され、
前記第3保護膜から露出した前記複数の配線の一部は、前記第2方向に沿って、前記第2辺側に配置されている、半導体装置。 - 請求項1に記載の半導体装置において、
前記第1保護膜は、ポリイミド膜である、半導体装置。 - 請求項7に記載の半導体装置において、
前記第1保護膜は、前記第1半導体チップの前記第1主面上で最上層に位置する保護膜であり、
前記第2保護膜は、前記第2半導体チップの前記第2主面上で最上層に位置する保護膜である、半導体装置。 - 請求項8に記載の半導体装置において、
平面視において、前記ダイパッドの外形サイズは、前記第1半導体チップの外形サイズより大きい、半導体装置。 - 請求項8に記載の半導体装置において、
平面視において、前記ダイパッドの外形サイズは、前記第1半導体チップの外形サイズより小さい、半導体装置。 - 請求項8に記載の半導体装置において、
前記ダイパッドは、複数の吊りリードで支持されており、
前記複数の吊りリードのうちの互いに隣り合う吊りリード間で、かつ平面視において前記ダイパッドと前記複数のリードとの間には、バーリードが設けられている、半導体装置。 - 請求項11に記載の半導体装置において、
前記バーリードは、断面視において、前記ダイパッドが位置する高さと、前記リードが位置する高さの間の高さに配置されている、半導体装置。 - 請求項2に記載の半導体装置において、
前記第2半導体チップ上に、さらに第3半導体チップが積層されており、
前記第2半導体チップの前記複数の第2電極パッドは、平面視において、前記第3半導体チップと重なる位置に形成されており、
前記第2半導体チップの前記複数のそれぞれの配線の一部は、平面視において、前記第3半導体チップと重ならない位置に形成されており、
前記複数の第2導電性部材は、前記複数の配線を介して前記第2電極パッドとそれぞれ電気的に接続されている、半導体装置。
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JP2011276483A JP5752026B2 (ja) | 2011-12-16 | 2011-12-16 | 半導体装置 |
TW101137507A TWI567879B (zh) | 2011-12-16 | 2012-10-11 | Semiconductor device |
CN201210480610.7A CN103165557B (zh) | 2011-12-16 | 2012-11-16 | 半导体装置 |
CN2012206275061U CN202996821U (zh) | 2011-12-16 | 2012-11-16 | 半导体装置 |
KR1020120146471A KR20130069509A (ko) | 2011-12-16 | 2012-12-14 | 반도체 장치 |
US13/716,985 US8637966B2 (en) | 2011-12-16 | 2012-12-17 | Semiconductor device |
US14/140,510 US8803303B2 (en) | 2011-12-16 | 2013-12-25 | Semiconductor device |
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US8853840B2 (en) * | 2013-02-21 | 2014-10-07 | Freescale Semiconductor, Inc. | Semiconductor package with inner and outer leads |
DE112013002916T5 (de) * | 2013-06-27 | 2015-03-05 | Intel IP Corporation | Hochleitende, hochfrequente Durchkontaktierung für elektronische Anlagen |
CN105474388B (zh) * | 2013-07-03 | 2018-06-19 | 罗森伯格高频技术有限及两合公司 | 电磁干扰互连低的裸片封装体 |
DE102017202345A1 (de) * | 2017-02-14 | 2018-08-16 | Infineon Technologies Ag | Leiterrahmen, halbleitergehäuse, das einen leiterrahmen umfasst, und verfahren zum bilden eines halbleitergehäuses |
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JPH10256473A (ja) * | 1997-03-10 | 1998-09-25 | Sanyo Electric Co Ltd | 半導体装置 |
JP2001358287A (ja) | 2000-06-14 | 2001-12-26 | Matsushita Electric Ind Co Ltd | 半導体装置 |
JP3650001B2 (ja) | 2000-07-05 | 2005-05-18 | 三洋電機株式会社 | 半導体装置およびその製造方法 |
JP2002217356A (ja) * | 2001-01-19 | 2002-08-02 | Nec Corp | 半導体装置及びその製造方法 |
JP2003318360A (ja) * | 2002-04-19 | 2003-11-07 | Hitachi Ltd | 半導体装置およびその製造方法 |
JP4095827B2 (ja) * | 2002-05-10 | 2008-06-04 | 株式会社ルネサステクノロジ | 半導体装置 |
JP4103796B2 (ja) * | 2003-12-25 | 2008-06-18 | 沖電気工業株式会社 | 半導体チップパッケージ及びマルチチップパッケージ |
JP2008277639A (ja) * | 2007-05-02 | 2008-11-13 | Casio Comput Co Ltd | 半導体装置およびその製造方法 |
JP5514437B2 (ja) * | 2007-12-28 | 2014-06-04 | 三菱マテリアル株式会社 | 誘電体薄膜の製造方法。 |
US20100164083A1 (en) * | 2008-12-29 | 2010-07-01 | Numonyx B.V. | Protective thin film coating in chip packaging |
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TW201327730A (zh) | 2013-07-01 |
US20140103515A1 (en) | 2014-04-17 |
TWI567879B (zh) | 2017-01-21 |
KR20130069509A (ko) | 2013-06-26 |
CN103165557B (zh) | 2017-05-10 |
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