JP2014053461A - 半導体装置の製造方法および半導体装置 - Google Patents
半導体装置の製造方法および半導体装置 Download PDFInfo
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- JP2014053461A JP2014053461A JP2012197142A JP2012197142A JP2014053461A JP 2014053461 A JP2014053461 A JP 2014053461A JP 2012197142 A JP2012197142 A JP 2012197142A JP 2012197142 A JP2012197142 A JP 2012197142A JP 2014053461 A JP2014053461 A JP 2014053461A
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Abstract
【解決手段】半導体チップ1,2がそれぞれに搭載されたダイパッド3a,3hと、ダイパッド3a,3hをそれぞれに支持する複数の吊りピンと、ダイパッド3a,3hの周囲に配置された複数のインナリード3bおよびアウタリード3cと、半導体チップ1,2と複数のインナリード3bとを電気的に接続する複数のワイヤ6と、半導体チップ1,2と複数のインナリード3bおよびワイヤ6を封止する封止体4とを有し、ダイパッド3a,3hはそれぞれ各ダイパッドと一体に形成された3本の吊りピンによって支持され、それぞれ3本の吊りピンのうちの第2吊りピン3e,3jは隣り合うインナリード3b間に配置されている。
【選択図】図1
Description
図1は実施の形態の半導体装置の構造の一例を封止体を透過して示す平面図、図2は図1のA−A線に沿って切断した構造の一例を示す断面図、図3は図1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。
1a 表面(主面)
1b 裏面
1c 電極パッド
1d 半導体素子
2 半導体チップ
2a 表面(主面)
2b 裏面
2c 電極パッド
2d 半導体素子
3 リードフレーム
3a ダイパッド
3aa 上面
3ab 下面
3ac 第1辺
3ad 第2辺
3ae 第3辺
3af 第4辺
3ag 折り曲げ部
3b インナリード
3c アウタリード
3d 第1吊りピン
3e 第2吊りピン
3f 第3吊りピン
3g タイバー
3h ダイパッド
3ha 上面
3hb 下面
3hc 第1辺
3hd 第2辺
3he 第3辺
3hf 第4辺
3i 第1吊りピン
3j 第2吊りピン
3k 第3吊りピン
3m 第4吊りピン
3n 曲げ部
3p 溝部
3q 枠部
3r 引きちぎり部
4 封止体
5 ダイボンド材
6 ワイヤ
7 SOP(半導体装置)
8 封止用樹脂
8a 樹脂流れ
9 樹脂成形金型
9a 下型
9b 上型
9c キャビティ
9d ゲート
10 タイバーカットパンチ
11 ブロック材
12 隙間
Claims (15)
- (a)上面の平面視が四角形を成す複数のダイパッドと、前記複数のダイパッドのそれぞれを支持する複数の吊りピンと、前記複数のダイパッドの周囲に配置された複数のインナリードと、前記複数のインナリードのそれぞれと繋がる複数のアウタリードと、前記複数のアウタリードを連結するタイバーと、を備えたリードフレームを準備する工程と、
(b)前記(a)工程の後、主面、前記主面に形成された複数の電極パッド、および前記主面と反対側の裏面を有する半導体チップを前記複数のダイパッドの前記上面上に搭載する工程と、
(c)前記(b)工程の後、前記半導体チップの前記複数の電極パッドと前記複数のインナリードをそれぞれ複数のワイヤを介して電気的に接続する工程と、
(d)前記(c)工程の後、前記複数の吊りピン、前記複数のインナリード、前記半導体チップおよび前記複数のワイヤを封止する封止体を形成する工程と、
を有し、
前記複数のダイパッドのそれぞれは、横並びで配置され、
前記複数の吊りピンは、前記アウタリードに繋がる第1吊りピンと、前記複数のインナリードのうちの何れか2本の間に配置され、かつ前記タイバーに繋がる第2吊りピンと、前記第1吊りピンおよび前記第2吊りピンがそれぞれ繋がる前記ダイパッドの辺とは異なる辺に繋がる第3吊りピンとを含み、
前記第1、第2および第3吊りピンのそれぞれは、前記複数のダイパッドのそれぞれと一体に形成されている半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記(d)工程の後、前記タイバーを切断する際に、前記第2吊りピンを同時に切断する半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記(d)工程で、前記封止体を形成する封止用樹脂の樹脂成形金型への注入圧力によって前記タイバーを押圧して前記第2吊りピンを引きちぎり、その後、前記第2吊りピンの先端を前記封止用樹脂で覆う半導体装置の製造方法。 - 請求項3に記載の半導体装置の製造方法において、
前記封止用樹脂を前記樹脂成形金型内に注入する前に、前記タイバーと隙間を設けてブロック材を配置し、その後、前記封止用樹脂を注入する半導体装置の製造方法。 - 請求項4に記載の半導体装置の製造方法において、
前記第2吊りピンに溝部もしくは段差部が形成されている半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記ダイパッドが2つ設けられ、前記2つのダイパッドのそれぞれに繋がる2つの前記第2吊りピンが隣り合って配置されている半導体装置の製造方法。 - 請求項6に記載の半導体装置の製造方法において、
前記2つのダイパッドのそれぞれは、相互に対向し、かつ前記第1、第2および第3吊りピンの何れも繋がっていない辺を有している半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記複数のダイパッドのうちの何れかを支持し、かつ前記タイバーに繋がる第4吊りピンを有している半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記複数のダイパッドのそれぞれの縁に折り曲げ部が形成されている半導体装置の製造方法。 - 請求項9に記載の半導体装置の製造方法において、
前記第1、第2および第3吊りピンの少なくとも何れかの吊りピンに曲げ部が形成されている半導体装置の製造方法。 - 上面および前記上面と反対側の下面を有し、平面視で前記上面が四角形を成す複数のダイパッドと、
前記複数のダイパッドのそれぞれを支持する複数の吊りピンと、
前記複数のダイパッドの周囲に配置された複数のインナリードと、
前記複数のインナリードのそれぞれと繋がる複数のアウタリードと、
主面および前記主面と反対側の裏面を有し、前記主面に複数の電極パッドが形成され、かつ前記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半導体チップと、
前記半導体チップの前記複数の電極パッドと前記複数のインナリードとをそれぞれ電気的に接続する複数のワイヤと、
前記複数の吊りピン、前記複数のインナリード、前記半導体チップおよび前記複数のワイヤを封止する封止体と、
を有し、
前記複数のダイパッドのそれぞれは、横並びで配置され、
前記複数の吊りピンは、前記アウタリードに繋がる第1吊りピンと、前記複数のインナリードのうちの何れか2本の間に配置された第2吊りピンと、前記第1吊りピンおよび前記第2吊りピンがそれぞれ繋がる前記ダイパッドの辺とは異なる辺に繋がる第3吊りピンとを含み、
前記第1、第2および第3吊りピンのそれぞれは、前記複数のダイパッドのそれぞれと一体に形成さ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、
前記第2吊りピンは、前記封止体の内部で終端している半導体装置。 - 請求項12に記載の半導体装置において、
前記第2吊りピンの先端は、前記封止体の内部に埋め込ま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、
前記複数のダイパッドのそれぞれの縁に折り曲げ部が形成されている半導体装置。 - 請求項14に記載の半導体装置において、
前記第1、第2および第3吊りピンの少なくとも何れかの吊りピンに曲げ部が形成されている半導体装置。
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JP2012197142A JP6178555B2 (ja) | 2012-09-07 | 2012-09-07 | 半導体装置の製造方法および半導体装置 |
US13/968,289 US8872316B2 (en) | 2012-09-07 | 2013-08-15 | Manufacturing method of semiconductor device and semiconductor device |
KR1020130102184A KR20140032889A (ko) | 2012-09-07 | 2013-08-28 | 반도체 장치의 제조 방법 및 반도체 장치 |
CN201310403642.1A CN103681379B (zh) | 2012-09-07 | 2013-09-06 | 半导体装置的制造方法和半导体装置 |
US14/494,010 US9076777B2 (en) | 2012-09-07 | 2014-09-23 | Manufacturing method of semiconductor device and semiconductor device |
US14/727,046 US9385071B2 (en) | 2012-09-07 | 2015-06-01 | Manufacturing method of semiconductor device and semiconductor device |
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JPH0165144U (ja) * | 1987-10-21 | 1989-04-26 | ||
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JPH0817995A (ja) * | 1994-06-27 | 1996-01-19 | Nec Corp | 半導体装置用リードフレーム |
JP2010080914A (ja) * | 2008-08-29 | 2010-04-08 | Sanyo Electric Co Ltd | 樹脂封止型半導体装置とその製造方法、リードフレーム |
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JP2019161084A (ja) * | 2018-03-15 | 2019-09-19 | トヨタ自動車株式会社 | リードフレーム |
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CN103681379A (zh) | 2014-03-26 |
CN103681379B (zh) | 2017-09-08 |
US8872316B2 (en) | 2014-10-28 |
US9385071B2 (en) | 2016-07-05 |
US9076777B2 (en) | 2015-07-07 |
KR20140032889A (ko) | 2014-03-17 |
US20150262923A1 (en) | 2015-09-17 |
US20140070389A1 (en) | 2014-03-13 |
US20150008569A1 (en) | 2015-01-08 |
JP6178555B2 (ja) | 2017-08-09 |
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