JP5543724B2 - 樹脂封止型半導体装置及びその製造方法 - Google Patents
樹脂封止型半導体装置及びその製造方法 Download PDFInfo
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- JP5543724B2 JP5543724B2 JP2009108811A JP2009108811A JP5543724B2 JP 5543724 B2 JP5543724 B2 JP 5543724B2 JP 2009108811 A JP2009108811 A JP 2009108811A JP 2009108811 A JP2009108811 A JP 2009108811A JP 5543724 B2 JP5543724 B2 JP 5543724B2
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- lead
- resin
- burr
- tie bar
- lead frame
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Geometry (AREA)
- Lead Frames For Integrated Circuits (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
Description
また、本発明の樹脂封止型電子装置によれば、アウターリードの外部電極に対する溶接不良を防止することができると共に、リードに対する電子部品の接着面積を大きく確保して接続不良を防止することができる。
本発明の第1の実施形態は、プレス加工により形成されたリードフレーム1の小さなリードバリ10に被着したハンダメッキ層11が、タイバー9の切断時に当該リードバリ10から剥がれて、ヒゲ状のハンダバリ12になり、アウターリード8a等同士をショートする弊害の防止に関する発明である。以下に、図1〜図11に基づいて説明する。
本発明の第2の実施形態について説明する。この場合は半導体チップ2等がダイボンド等されるリードフレーム1の面が、プレス加工によりリードバリ10が発生した面側になる点のみが第1の実施形態と異なる。したがって、詳細な説明は割愛する。第2の実施形態においては、チップコンデンサ4などを接着する場合に、リードバリ10が存在し、チップコンデンサ4の電極面とリードバリ10の先端が直接接触することになると、リードフレーム1との接着がうまくいかない恐れがあるので留意する必要がある。チップコンデンサ4の2つの電極が長さの異なる2つのリードバリ10に接触し、チップコンデンサ4が傾いて接着される場合があるからである。
〔第3の実施形態〕
次に、本発明の第3の実施形態について図面を参照して説明する。第3の実施形態は、リードバリ30が存在することによる有利な効果を利用し、リードバリ30が抱える不利益を回避するためのリードフレームの利用を図った樹脂封止型電子装置に関するものである。第1の実施形態と同様な図面も使用されるが、符号、表現を変えて異なる観点から説明する。第3の実施形態も、金型を用いて打ち抜き形成したリードフレームを用いた樹脂封止型電子装置に特徴を有するものであるが、先ず、リードフレームの構造について説明し、その後、樹脂封止型電子装置の外部電極への取り付け構造について説明することにする。
5a,5b、6a,6b,6c ボンディングワイヤ 7 樹脂パッケージ
8 外枠 8a アウターリード 8b インナーリード 9 タイバー
9a,9b,9c,9d タイバー切断時の切断面とリードバリの交差点
9d 外枠切断時の切断面とリードバリの交差点 10 リードバリ
11 ハンダメッキ層 12 ヒゲ状ハンダバリ 13 アイランド
20,21 アイランド 22 支持部 23 吊りリード 24 タイバー
25 IGBTチップ 26 制御ICチップ 27 チップコンデンサ
28 樹脂パッケージ 30 リードバリ 31 バリ形成面 32 ダレ面
33 導電性ペースト 40 制御電極 41 熔接部 L1〜L6 リード
P1〜P7 パッド W1〜W5 金属細線 200 樹脂封止型電子装置
Claims (4)
- リードフレームのプレス加工後にタイバーを含めてメッキが施されたリードフレームのアイランド上に半導体チップをダイボンドする工程と、
前記半導体チップと前記リードフレームを電気的に接続する工程と、
前記半導体チップがダイボンドされた前記リードフレームを樹脂パッケージで封止する工程と、
前記樹脂パッケージの外部に露出したタイバーを切断する工程と、を有し、
前記タイバーの切断が前記リードフレームのプレス加工時の前記リードフレームのバリがある面からその反対側の面に向かって行われることを特徴とする樹脂封止型半導体装置の製造方法。 - 前記半導体チップのダイボンドが前記リードフレームのプレス加工時の前記リードフレームのバリのある面に為されることを特徴とする請求項1に記載の樹脂封止型半導体装置の製造方法。
- 半導体チップが固着されたアイランドと、
前記アイランドの近傍に一端が位置する複数のリードと、
前記半導体チップと前記リードとを接続する金属細線と、
前記アイランド、リード及び半導体チップを封止する樹脂パッケージとを有する樹脂封止型半導体装置において、
前記樹脂パッケージから外部に延在するリードは、前記半導体チップの実装面から当該実装面に対向する面側に向かって打ち抜かれ、当該対向する面にバリを有すると共に、プレス加工後にタイバーを含めてメッキが施され、
前記パッケージから外部に延在するリードと、当該リードを保持していたタイバーの部分は前記対向する面から前記実装面に向かってなる切断面を有することを特徴とする樹脂封止型半導体装置。 - 前記メッキはハンダであることを特徴とする請求項3に記載の樹脂封止型半導体装置。
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JP2009108811A JP5543724B2 (ja) | 2008-08-28 | 2009-04-28 | 樹脂封止型半導体装置及びその製造方法 |
US12/549,152 US8502360B2 (en) | 2008-08-28 | 2009-08-27 | Resin sealing type semiconductor device and method of manufacturing the same, and resin sealing type electronic device |
CN2009101681305A CN101661894B (zh) | 2008-08-28 | 2009-08-28 | 树脂密封型半导体装置及其制造方法、树脂密封型电子装置 |
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JP2008219943 | 2008-08-28 | ||
JP2008219943 | 2008-08-28 | ||
JP2008220979 | 2008-08-29 | ||
JP2008220979 | 2008-08-29 | ||
JP2009108811A JP5543724B2 (ja) | 2008-08-28 | 2009-04-28 | 樹脂封止型半導体装置及びその製造方法 |
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JP5543724B2 true JP5543724B2 (ja) | 2014-07-09 |
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JP (1) | JP5543724B2 (ja) |
CN (1) | CN101661894B (ja) |
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WO2023171343A1 (ja) * | 2022-03-07 | 2023-09-14 | ローム株式会社 | 半導体装置 |
JP6016965B2 (ja) * | 2015-03-02 | 2016-10-26 | 三菱電機株式会社 | 電子機器ユニット及びその製造金型装置 |
US10186498B2 (en) * | 2015-07-27 | 2019-01-22 | Semiconductor Components Industries, Llc | Semiconductor leadframes and packages with solder dams and related methods |
US10290907B2 (en) | 2015-07-27 | 2019-05-14 | Semiconductor Components Industries, Llc | Automatically programmable battery protection system and related methods |
US10205330B2 (en) | 2015-07-27 | 2019-02-12 | Semiconductor Components Industries, Llc | Programmable battery protection system and related methods |
JP6753086B2 (ja) * | 2016-03-14 | 2020-09-09 | 富士電機株式会社 | 除去方法および製造方法 |
WO2017168537A1 (ja) * | 2016-03-29 | 2017-10-05 | 三菱電機株式会社 | 樹脂封止型電力半導体装置の製造方法 |
CN109065520A (zh) * | 2018-06-26 | 2018-12-21 | 深圳信炜生物识别科技有限公司 | 一种芯片封装结构、芯片功能模组及电子设备 |
US10354943B1 (en) | 2018-07-12 | 2019-07-16 | Infineon Technologies Ag | Multi-branch terminal for integrated circuit (IC) package |
TWI676252B (zh) * | 2018-07-23 | 2019-11-01 | 長華科技股份有限公司 | 導線架及其製造方法 |
CN108831874A (zh) * | 2018-08-07 | 2018-11-16 | 广东气派科技有限公司 | 集成电路的封装结构 |
CN110854095A (zh) * | 2018-08-20 | 2020-02-28 | 长华科技股份有限公司 | 导线架及其制造方法 |
CN112956006A (zh) * | 2018-10-23 | 2021-06-11 | 三菱电机株式会社 | 半导体装置的制造方法、半导体装置、电力转换装置以及移动体 |
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JPS554985A (en) * | 1978-06-27 | 1980-01-14 | Nec Kyushu Ltd | Lead frame for semiconductor device |
JPS5994449A (ja) * | 1983-07-01 | 1984-05-31 | Hitachi Ltd | 半導体装置 |
JPS63257256A (ja) * | 1987-04-15 | 1988-10-25 | Hitachi Ltd | リ−ドフレ−ム |
JPS6454750A (en) * | 1987-08-26 | 1989-03-02 | Fujitsu Miyagi Electron Kk | Manufacture of resin-sealed semiconductor device |
JPH03116770A (ja) * | 1989-09-28 | 1991-05-17 | Nec Kyushu Ltd | 半導体装置用リードフレーム |
JPH04157761A (ja) * | 1990-10-19 | 1992-05-29 | Nec Corp | タイバー切断方法 |
JPH05275591A (ja) * | 1992-03-26 | 1993-10-22 | Sumitomo Metal Mining Co Ltd | 半導体装置用icリードフレームの製造方法 |
JP3116770B2 (ja) | 1995-04-24 | 2000-12-11 | 株式会社ダイフク | 洗車設備 |
JP2938038B1 (ja) | 1998-06-11 | 1999-08-23 | 大分日本電気株式会社 | タイバー切断金型 |
JP3538704B2 (ja) | 1999-10-04 | 2004-06-14 | 株式会社村田製作所 | 電子部品の製造方法 |
US6730546B2 (en) * | 2000-09-01 | 2004-05-04 | Seiko Epson Corporation | Molded component and method of producing the same |
JP4157761B2 (ja) | 2002-12-16 | 2008-10-01 | 株式会社日立製作所 | 生体光計測用ヘッドギア及びそれを用いた生体光計測装置 |
US20040215030A1 (en) * | 2003-04-22 | 2004-10-28 | Norman John Anthony Thomas | Precursors for metal containing films |
JP4471600B2 (ja) | 2003-08-20 | 2010-06-02 | 三洋電機株式会社 | 回路装置 |
JP4334364B2 (ja) * | 2004-01-26 | 2009-09-30 | 株式会社リコー | 半導体装置及び半導体装置の製造方法 |
JP4315833B2 (ja) * | 2004-02-18 | 2009-08-19 | 三洋電機株式会社 | 回路装置 |
DE102005043928B4 (de) * | 2004-09-16 | 2011-08-18 | Sharp Kk | Optisches Halbleiterbauteil und Verfahren zu dessen Herstellung |
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CN101661894A (zh) | 2010-03-03 |
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