JP5613463B2 - 半導体装置及びその製造方法 - Google Patents
半導体装置及びその製造方法 Download PDFInfo
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- JP5613463B2 JP5613463B2 JP2010127422A JP2010127422A JP5613463B2 JP 5613463 B2 JP5613463 B2 JP 5613463B2 JP 2010127422 A JP2010127422 A JP 2010127422A JP 2010127422 A JP2010127422 A JP 2010127422A JP 5613463 B2 JP5613463 B2 JP 5613463B2
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- semiconductor device
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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封止体を透過して示す平面図、図2は図1に示すA−A線に沿って切断した構造を示す断面図、図3は図1に示す半導体装置の裏面側の構造の一例を示す裏面図、図4は図1に示す半導体装置における刻印の形状の一例を示す平面図である。
図20は本発明の実施の形態2の半導体装置における刻印の形状の一例を示す平面図、図21は本発明の実施の形態2の変形例の半導体装置における刻印の形状を示す平面図である。
2 半導体チップ
2a 主面
2b 裏面
2c 電極パッド(表面電極)
3 封止体
3a 裏面
3b 側面
4 ペースト材(ダイボンド材)
5 リードフレーム
5a リード
5b インナ部
5c アウタ部
5d ダイパッド(チップ搭載部)
5e 上面
5f 下面
5g 吊りリード
5h ディンプル
5i 間引きパターン(刻印)
5j 枠部
5k ガイド用孔
5m 切断面
5n モールド領域
5p デバイス領域
5q 塗布領域
5r フレーム基材
5s 刻印用ディンプル
5t 記号(刻印)
6 導電性ワイヤ
7 エッチングマスク
7a パターン
8 樹脂成形金型
8a 上金型
8b 下金型
8c キャビティ
9 一括封止体
10 エッチング液
11 ポリイミドテープ
12 レーザ
13 ダイシングテープ
14 ブレード
15,16 QFN(半導体装置)
Claims (12)
- 主面と、前記主面の反対側の裏面とを備え、前記主面に複数の表面電極が形成された半導体チップと、
前記半導体チップがダイボンド材を介して搭載された上面と、前記上面の反対側の下面とを備えたチップ搭載部と、
複数のリードと前記半導体チップの前記複数の表面電極とをそれぞれ電気的に接続する複数の導電性ワイヤと、
前記半導体チップと前記複数の導電性ワイヤとを樹脂封止する封止体と、
を有し、
前記複数のリードのそれぞれの一部は、前記封止体の裏面から露出し、
前記チップ搭載部の前記上面には、第1方向に沿って、かつ、間引き部分を有するように、複数の第1ディンプルが形成され、
前記間引き部分および前記複数の第1ディンプルにより半導体装置の位置情報を示している、半導体装置。 - 請求項1記載の半導体装置において、前記複数の第1ディンプルのうち、前記第1方向に沿って互いに隣り合い、かつ、その間に前記間引き部分を有する第1ディンプルの間隔は、前記複数の第1ディンプルのうち、前記第1方向に沿って互いに隣り合う第1ディンプルの間隔よりも大きい、半導体装置。
- 請求項2記載の半導体装置において、前記第1方向に沿った前記間引き部分の大きさは、前記複数の第1ディンプルのそれぞれの直径よりも大きい、半導体装置。
- 請求項3記載の半導体装置において、前記半導体チップの平面形状は、ほぼ四角形から成り、
前記第1方向は、前記半導体チップの辺に沿う方向である、半導体装置。 - 請求項1または4に記載の半導体装置において、前記複数の第1ディンプルのそれぞれは、刻印である、半導体装置。
- 請求項5記載の半導体装置において、前記ダイボンド材は、ペースト材であり、
複数の第2ディンプルが、前記チップ搭載部の前記上面の前記ペースト材に覆われている領域に形成されている、半導体装置。 - 請求項6記載の半導体装置において、前記間引き部分は、前記チップ搭載部の前記上面の前記ペースト材に覆われていない領域に配置されている、半導体装置。
- (a)チップ搭載部と複数のリードとを含むデバイス領域が複数形成されたリードフレームを準備する工程と、
(b)前記チップ搭載部の上面にダイボンド材を介して半導体チップを搭載する工程と、
(c)前記半導体チップの複数の表面電極と前記複数のリードとをそれぞれ複数の導電性ワイヤによって電気的に接続する工程と、
(d)複数の前記デバイス領域を樹脂成形金型の1つのキャビティで覆って樹脂封止し、一括封止体を形成する工程と、
(e)前記一括封止体を個々の半導体装置に個片化する工程と、
を有し、
前記(a)工程で準備する前記リードフレームの前記チップ搭載部の前記上面には、第1方向に沿って、かつ、間引き部分を有するように、複数のディンプルが形成されており、
前記間引き部分および前記複数のディンプルにより前記リードフレームにおける前記デバイス領域の位置情報を示している、半導体装置の製造方法。 - 請求項8記載の半導体装置の製造方法において、前記複数のディンプルは、エッチング加工によって形成されている、半導体装置の製造方法。
- 請求項9記載の半導体装置の製造方法において、前記複数のディンプルのうち、前記第1方向に沿って互いに隣り合い、かつ、その間に前記間引き部分を有するディンプルの間隔は、前記複数のディンプルのうち、前記第1方向に沿って互いに隣り合うディンプルの間隔よりも大きい、半導体装置の製造方法。
- 請求項10記載の半導体装置の製造方法において、前記第1方向に沿った前記間引き部分の大きさは、前記複数のディンプルのそれぞれの直径よりも大きい、半導体装置の製造方法。
- 請求項11記載の半導体装置の製造方法において、前記半導体チップの平面形状は、ほぼ四角形から成り、
前記第1方向は、前記半導体チップの辺に沿う方向である、半導体装置の製造方法。
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JP2010127422A JP5613463B2 (ja) | 2010-06-03 | 2010-06-03 | 半導体装置及びその製造方法 |
US13/118,401 US8373258B2 (en) | 2010-06-03 | 2011-05-28 | Semiconductor device and production method thereof |
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JP2012227445A (ja) * | 2011-04-21 | 2012-11-15 | Renesas Electronics Corp | 半導体装置及びその製造方法 |
JP2014007363A (ja) | 2012-06-27 | 2014-01-16 | Renesas Electronics Corp | 半導体装置の製造方法および半導体装置 |
JP2014203861A (ja) * | 2013-04-02 | 2014-10-27 | 三菱電機株式会社 | 半導体装置および半導体モジュール |
DE102014008587B4 (de) | 2014-06-10 | 2022-01-05 | Vitesco Technologies GmbH | Leistungs-Halbleiterschaltung |
US9679831B2 (en) * | 2015-08-13 | 2017-06-13 | Cypress Semiconductor Corporation | Tape chip on lead using paste die attach material |
JP6650723B2 (ja) * | 2015-10-16 | 2020-02-19 | 新光電気工業株式会社 | リードフレーム及びその製造方法、半導体装置 |
JP6603538B2 (ja) * | 2015-10-23 | 2019-11-06 | 新光電気工業株式会社 | リードフレーム及びその製造方法 |
TWM531057U (zh) * | 2016-08-09 | 2016-10-21 | Chang Wah Technology Co Ltd | 預成形封裝導線架 |
US9911684B1 (en) * | 2016-08-18 | 2018-03-06 | Semiconductor Components Industries, Llc | Holes and dimples to control solder flow |
US10651147B2 (en) * | 2016-09-13 | 2020-05-12 | Allegro Microsystems, Llc | Signal isolator having bidirectional communication between die |
WO2018074035A1 (ja) | 2016-10-18 | 2018-04-26 | 株式会社デンソー | 電子装置及びその製造方法 |
US11493459B2 (en) * | 2017-10-23 | 2022-11-08 | Toray Industries, Inc. | Inspection method and manufacturing method for molded resin product as well as inspection device and manufacturing device for molded resin product |
DE102019110191A1 (de) * | 2019-04-17 | 2020-10-22 | Infineon Technologies Ag | Package aufweisend einen Identifizierer auf und/oder in einem Träger |
US11115244B2 (en) | 2019-09-17 | 2021-09-07 | Allegro Microsystems, Llc | Signal isolator with three state data transmission |
JP7377092B2 (ja) * | 2019-12-16 | 2023-11-09 | Towa株式会社 | 統計データ生成方法、切断装置及びシステム |
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US5952711A (en) * | 1996-09-12 | 1999-09-14 | Wohlin; Leslie Theodore | Lead finger immobilization apparatus |
JP2000150722A (ja) * | 1998-11-13 | 2000-05-30 | Hitachi Maxell Ltd | 半導体装置及びこれを用いた積層型半導体装置 |
JP2001127236A (ja) * | 1999-10-28 | 2001-05-11 | Mitsumi Electric Co Ltd | Icパッケージ |
JP3827497B2 (ja) * | 1999-11-29 | 2006-09-27 | 株式会社ルネサステクノロジ | 半導体装置の製造方法 |
US6611047B2 (en) * | 2001-10-12 | 2003-08-26 | Amkor Technology, Inc. | Semiconductor package with singulation crease |
JP2003124365A (ja) * | 2001-10-18 | 2003-04-25 | Oki Electric Ind Co Ltd | 半導体集積回路チップ管理情報付与方法、半導体集積回路チップ管理情報管理方法、半導体集積回路チップ管理情報付与装置および管理情報を有する半導体集積回路チップ |
US8129222B2 (en) * | 2002-11-27 | 2012-03-06 | United Test And Assembly Test Center Ltd. | High density chip scale leadframe package and method of manufacturing the package |
TWI257693B (en) * | 2003-08-25 | 2006-07-01 | Advanced Semiconductor Eng | Leadless package |
US7262491B2 (en) * | 2005-09-06 | 2007-08-28 | Advanced Interconnect Technologies Limited | Die pad for semiconductor packages and methods of making and using same |
JP4948035B2 (ja) | 2006-05-22 | 2012-06-06 | ルネサスエレクトロニクス株式会社 | 樹脂封止型半導体装置の製造方法 |
US7808089B2 (en) * | 2007-12-18 | 2010-10-05 | National Semiconductor Corporation | Leadframe having die attach pad with delamination and crack-arresting features |
JP5144294B2 (ja) * | 2008-02-06 | 2013-02-13 | オンセミコンダクター・トレーディング・リミテッド | リードフレームおよびそれを用いた回路装置の製造方法 |
US7821113B2 (en) * | 2008-06-03 | 2010-10-26 | Texas Instruments Incorporated | Leadframe having delamination resistant die pad |
JP2010062365A (ja) * | 2008-09-04 | 2010-03-18 | Hitachi Ltd | 半導体装置およびその製造方法 |
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