JP2005150294A - 半導体装置およびその製造方法 - Google Patents
半導体装置およびその製造方法 Download PDFInfo
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- JP2005150294A JP2005150294A JP2003383785A JP2003383785A JP2005150294A JP 2005150294 A JP2005150294 A JP 2005150294A JP 2003383785 A JP2003383785 A JP 2003383785A JP 2003383785 A JP2003383785 A JP 2003383785A JP 2005150294 A JP2005150294 A JP 2005150294A
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- lead
- bonding
- wires
- wire
- semiconductor device
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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Abstract
【解決手段】 QFNパッケージ形態の半導体装置は、半導体チップと、複数のリード4と、複数のリード4と半導体チップの表面の複数の電極とを電気的に接続する複数のボンディングワイヤと、それらを封止する封止樹脂部とを備えている。複数のリード4のうち、同じリード4に複数のボンディングワイヤ6e,6fを接続する際には、そのリード4の上面に生じるツールマーク31e,31fが平面的に重なるようにワイヤボンディングを行って、そのリード4の上面におけるボンディングワイヤ6e,6fの接合部32e,32fが重なるようにする。
【選択図】 図16
Description
本実施の形態の半導体装置を図面を参照して説明する。
図18は、本発明の他の実施の形態におけるワイヤボンディング(リード4に対するボンディングワイヤ6の接続工程)の説明図であり、上記実施の形態1における図17に対応する。
2 封止樹脂部
2a 裏面
2b 切断面
3 半導体チップ
3a 電極
4 リード
4a 上面
4b 下部露出面
4c 切断面
4d リード
4e リード
4f リード
6 ボンディングワイヤ
6a ボンディングワイヤ
6b ボンディングワイヤ
6c ボンディングワイヤ
6d ボンディングワイヤ
6e ボンディングワイヤ
6f ボンディングワイヤ
7 タブ
8 吊りリード
8b 下部露出面
8c 切断面
11 リードフレーム
12 モールドライン
13 フレーム枠
21a 金球
21 金線
21b 接合部
22 キャピラリ
23 ワイヤクランパ
31 ツールマーク
31a ツールマーク
31b ツールマーク
31c ツールマーク
31d ツールマーク
31e ツールマーク
31f ツールマーク
32 接合部
32a 接合部
32b 接合部
32c 接合部
32d 接合部
32e 接合部
32f 接合部
34 リード
34a 上面
35 リード
35a 上面
36 めっき層
41 金ボール
Claims (5)
- 複数の電極を有する半導体チップと、
導電体により形成された複数のリード部と、
前記複数のリード部と前記半導体チップの前記複数の電極とを電気的に接続する複数のワイヤと、
前記半導体チップ、前記複数のワイヤおよび前記複数のリード部を封止する封止樹脂部と、
を具備し、
前記複数のリード部のうちの第1リード部に前記複数のワイヤのうちの複数の第1ワイヤが接続され、前記第1リード部における前記各第1ワイヤの接合部が重なっていることを特徴とする半導体装置。 - (a)複数の電極を有する半導体チップを準備する工程、
(b)導電体からなる複数のリード部と前記半導体チップの前記複数の電極とを複数のワイヤを介して電気的に接続し、前記複数のリード部のうちの第1リード部に前記複数のワイヤのうちの複数の第1ワイヤを接続する工程、
を有し、
前記(b)工程では、前記第1リード部における前記各第1ワイヤの接合部が重なるように、前記複数の第1ワイヤを前記第1リード部に接続することを特徴とする半導体装置の製造方法。 - (a)複数の電極を有する半導体チップを準備する工程、
(b)導電体からなる複数のリード部と前記半導体チップの前記複数の電極とを複数のワイヤを介して電気的に接続し、前記複数のリード部のうちの第1リード部に前記複数のワイヤのうちの複数の第1ワイヤを接続する工程、
を有し、
前記(b)工程では、前記各第1ワイヤを前記第1リード部に接続する際のツールマークが重なるように、前記複数の第1ワイヤを前記第1リード部に接続することを特徴とする半導体装置の製造方法。 - (a)複数の電極を有する半導体チップを準備する工程、
(b)導電体からなる複数のリード部と前記半導体チップの前記複数の電極とを複数のワイヤを介して電気的に接続し、前記複数のリード部のうちの第1リード部に前記複数のワイヤのうちの複数の第1ワイヤを接続する工程、
を有し、
前記(b)工程では、前記第1リード部における前記各第1ワイヤの接合部が間に金を含む部材を介在して重なるように、前記複数の第1ワイヤを前記第1リード部に接続することを特徴とする半導体装置の製造方法。 - (a)複数の電極を有する半導体チップを準備する工程、
(b)導電体からなる複数のリード部と前記半導体チップの前記複数の電極とを複数のワイヤを介して電気的に接続し、前記複数のリード部のうちの第1リード部に前記複数のワイヤのうちの第1および第2ワイヤを接続する工程、
を有し、
前記(b)工程では、前記第1ワイヤを前記第1リード部に接続した後、前記第1リード部の前記第1ワイヤの接合部上に金を含む部材を形成し、前記金を含む部材を介して前記第2ワイヤを前記第1リード部に接続することを特徴とする半導体装置の製造方法。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2010024442A1 (ja) * | 2008-08-29 | 2010-03-04 | 京セラ株式会社 | 回路基板、画像形成装置、サーマルヘッドおよびイメージセンサ |
CN106229307A (zh) * | 2016-08-01 | 2016-12-14 | 长电科技(宿迁)有限公司 | 铝线焊点表面二次装片的焊接结构及其工艺方法 |
EP2603929A4 (en) * | 2010-08-10 | 2017-05-03 | Cypress Semiconductor Corporation | Stitch bump stacking design for overall package size reduction for multiple stack |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010024442A1 (ja) * | 2008-08-29 | 2010-03-04 | 京セラ株式会社 | 回路基板、画像形成装置、サーマルヘッドおよびイメージセンサ |
US8525040B2 (en) | 2008-08-29 | 2013-09-03 | Kyocera Corporation | Circuit board and its wire bonding structure |
EP2603929A4 (en) * | 2010-08-10 | 2017-05-03 | Cypress Semiconductor Corporation | Stitch bump stacking design for overall package size reduction for multiple stack |
CN106229307A (zh) * | 2016-08-01 | 2016-12-14 | 长电科技(宿迁)有限公司 | 铝线焊点表面二次装片的焊接结构及其工艺方法 |
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