JP2006196597A - 電子装置およびその製造方法 - Google Patents
電子装置およびその製造方法 Download PDFInfo
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Abstract
【解決手段】 回路基板20上のパッド21のボンディング面とコネクタ30上のターミナル31のボンディング面とは、互いに平行であって且つケース10の基準面11に対して同一の方向へ傾いた傾斜面となっており、第1ボンディングから第2ボンディングへ移行するときのボンダー500の移動する方向が、傾斜面としてのボンディング面における基準面11に近い部位から遠い部位へ向かう方向となるように、ワイヤボンディングを行う。
【選択図】 図2
Description
図1は、本発明の第1実施形態に係る電子装置100の概略断面構成を示す図である。限定するものではないが、この電子装置100は、たとえば、車両のECUなどに用いられる。
図1に示されるように、この電子装置100は大きくは、平坦な基準面11を有するケース10と、ケース10の基準面11上に搭載された第1の部材としての回路基板20と、ケース10の基準面11上に搭載された第2の部材としてのコネクタ30と、を備え、回路基板20上のパッド21とコネクタ30上のパッド31とがボンディングワイヤ40により接続されてなる。
次に、本実施形態の電子装置100の製造方法について、図2も参照して述べる。図2は、本実施形態の製造方法におけるワイヤボンディング工程を説明するための工程図である。
ここで、本実施形態による効果等について、以下にまとめておく。
また、上記図1、図2に示される例では、第1の回路基板20のパッド21の方が、コネクタ30のパッドであるターミナル31よりも、低い位置、すなわちケース10の基準面11に近い位置になっていた。
図9は、本発明の第2実施形態に係る電子装置200の概略断面構成を示す図である。
図10は、本第2実施形態の変形例としての電子装置の概略断面構成を示す図である。
なお、上記第1実施形態においては、ボンディングワイヤ40で接続される両回路基板20、50間のパッド21、51は、従来のように、ボンディング面がケース10の基準面11と平行になっていたが、これらのパッド21、51においても、これら両パッド21、51が上記の傾斜関係を有する構成としてよい。
11…ケースの基準面、
20…第1の部材としての第1の回路基板、
21…第1の回路基板のパッド、
30…第2の部材としてのコネクタ、
31…コネクタのパッドとしてのターミナル、
40…ボンディングワイヤ、
50…第2の回路基板、51…第2の回路基板のパッド、
500…ボンダー、
510…ボンダーヘッド、520…ワイヤガイド、530…ステージ。
Claims (8)
- 平坦な基準面(11)を有するケース(10)と、
前記ケース(10)の前記基準面(11)上に搭載された第1の部材(20)と、
前記ケース(10)の前記基準面(11)上に搭載された第2の部材(30)と、を備え、
前記第1の部材(20)上のパッド(21)と前記第2の部材(30)上のパッド(31)とがボンディングワイヤ(40)により接続されてなる電子装置において、
前記第1の部材(20)上のパッド(21)のボンディング面と前記第2の部材(30)上のパッド(31)のボンディング面とは、互いに平行であって且つ前記基準面(11)に対して同一の方向へ傾いた傾斜面となっていることを特徴とする電子装置。 - 前記第1の部材は、回路基板(20)であり、前記第2の部材はコネクタ(30)であることを特徴とする請求項1に記載の電子装置。
- 前記ボンディング面が傾斜面となっているパッド(21、31)は、前記第1の部材(20)および前記第2の部材(30)に対して、傾斜面を有するパッド(21、31)を接合することにより形成されたものであることを特徴とする請求項1または2に記載の電子装置。
- 前記ボンディング面が傾斜面となっているパッド(21、31)は、前記第1の部材(20)および前記第2の部材(30)自体に傾斜面を形成することにより形成されたものであることを特徴とする請求項1または2に記載の電子装置。
- 平坦な基準面(11)を有するケース(10)を用意し、前記ケース(10)の前記基準面(11)上に第1の部材(20)および第2の部材(30)を搭載した後、前記第1の部材(20)上のパッド(21)と前記第2の部材(30)上のパッド(31)との間でワイヤボンディングを行い、これら両パッドをボンディングワイヤ(40)により接続するようにした電子装置の製造方法において、
前記第1の部材(20)上のパッド(21)のボンディング面と前記第2の部材(30)上のパッド(31)のボンディング面とが、互いに平行であって且つ前記基準面(11)に対して同一の方向へ傾いた傾斜面となるように、前記両パッド(21、31)を形成し、
前記ワイヤボンディング工程では、第1ボンディングから第2ボンディングへ移行するときのボンダー(500)の移動する方向が、前記傾斜面としてのボンディング面における前記基準面(11)に近い方の部位から遠い方の部位へ向かう方向となるように、ワイヤボンディングを行うことを特徴とする電子装置の製造方法。 - 前記第1の部材は、回路基板(20)であり、前記第2の部材はコネクタ(30)であることを特徴とする請求項5に記載の電子装置の製造方法。
- 前記第1の部材(20)および前記第2の部材(30)に対して、傾斜面を有するパッド(21、31)を接合することにより、前記ボンディング面が傾斜面となっているパッド(21、31)を形成することを特徴とする請求項5または6に記載の電子装置の製造方法。
- 前記第1の部材(20)および前記第2の部材(30)自体に傾斜面を形成することにより、前記ボンディング面が傾斜面となっているパッド(21、31)を形成することを特徴とする請求項5または6に記載の電子装置の製造方法。
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WO2009063721A1 (ja) * | 2007-11-16 | 2009-05-22 | Toyota Jidosha Kabushiki Kaisha | 半導体装置 |
WO2016125381A1 (ja) * | 2015-02-06 | 2016-08-11 | 株式会社 村田製作所 | パワー半導体モジュール |
US20180308812A1 (en) * | 2017-04-19 | 2018-10-25 | Toyota Jidosha Kabushiki Kaisha | Semiconductor device |
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WO2009063721A1 (ja) * | 2007-11-16 | 2009-05-22 | Toyota Jidosha Kabushiki Kaisha | 半導体装置 |
JP2009124048A (ja) * | 2007-11-16 | 2009-06-04 | Toyota Motor Corp | 半導体装置 |
CN101868851B (zh) * | 2007-11-16 | 2012-06-20 | 丰田自动车株式会社 | 半导体装置 |
US20130034955A1 (en) * | 2007-11-16 | 2013-02-07 | Toyota Jidosha Kabushiki Kaisha | Semiconductor device |
US8674511B2 (en) * | 2007-11-16 | 2014-03-18 | Toyota Jidosha Kabushiki Kaisha | Method of forming a semiconductor device with a contact pad on a sloped silicon dioxide surface |
WO2016125381A1 (ja) * | 2015-02-06 | 2016-08-11 | 株式会社 村田製作所 | パワー半導体モジュール |
US20180308812A1 (en) * | 2017-04-19 | 2018-10-25 | Toyota Jidosha Kabushiki Kaisha | Semiconductor device |
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