JP4757790B2 - 半導体素子の実装構造及びプリント回路基板 - Google Patents
半導体素子の実装構造及びプリント回路基板 Download PDFInfo
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- JP4757790B2 JP4757790B2 JP2006345532A JP2006345532A JP4757790B2 JP 4757790 B2 JP4757790 B2 JP 4757790B2 JP 2006345532 A JP2006345532 A JP 2006345532A JP 2006345532 A JP2006345532 A JP 2006345532A JP 4757790 B2 JP4757790 B2 JP 4757790B2
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- die pad
- paste
- bare chip
- semiconductor bare
- semiconductor element
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Die Bonding (AREA)
- Lead Frames For Integrated Circuits (AREA)
Description
また、ダイパッドの表面に所定量のペースト状の接着剤を供給し、半導体素子を前記ダイパッド上に載せて前記接着剤を前記半導体素子の下面と前記ダイパッドとの間で押し拡げ、押し拡げられて形成された接着剤膜によって前記半導体素子が前記ダイパッド上に接着してあり、且つ、前記半導体素子と前記ダイパッドの周囲の端子パッドとの間にワイヤが張ってある構成の半導体素子の実装構造において、前記ダイパッドは、その表面に、前記ダイパッドの中心側より前記ダイパッドの周縁の方向に延びており、前記ダイパッドの周縁よりも内側の位置を終端とされた溝を、複数有し、前記複数の溝は、格子状に並んでいる構成としたことを特徴とする。
ダイパッド103は、上記の溝110−1〜110−8が形成してあることによって、換言すれば、硬化Agペースト膜のみ出し部分の幅寸法を短くできることによって、図1に示すダイパッド13より一回り小さい大きさとしてある。
20 半導体ベアチップ
100 半導体ベアチップ実装構造
101 プリント回路基板
102 エポキシ製基板本体
103、103A〜103D ダイパッド
104 端子パッド
106 Agペースト塊が供給される領域
110−1〜110−8 溝
110−1a 角状に凹んだ部分
110−1b 始端
110−1c〜110−8c 終端
130 ワイヤ
140 硬化したAgペースト膜
140a はみ出し部分
140b フィラー
141 Agペースト塊
200、201、203、204 溝
210 略円形の凹部
211 三角形状の溝部
220 微小な凹部
230 レジスト製のダム
240 ビア
240a,241 凹部
Claims (2)
- ダイパッドの表面に所定量のペースト状の接着剤を供給し、半導体素子を前記ダイパッド上に載せて前記接着剤を前記半導体素子の下面と前記ダイパッドとの間で押し拡げ、押し拡げられて形成された接着剤膜によって前記半導体素子が前記ダイパッド上に接着してあり、且つ、前記半導体素子と前記ダイパッドの周囲の端子パッドとの間にワイヤが張ってある構成の半導体素子の実装構造において、
前記ダイパッドは、その表面に、前記ダイパッドの中心側より前記ダイパッドの周縁の方向に延びており、前記ダイパッドの周縁よりも内側の位置を終端とされた溝を、複数有し、
前記複数の溝は、放射状に並んでおり、
且つ、各溝は、前記ダイパッドの中心から前記ダイパッドの周縁側を見た場合に末広がりとなる向きの三角形が連なった形状であることを特徴とする半導体素子の実装構造。 - 基板本体上に、半導体素子が接着されて実装されるダイパッドと、このダイパッドの近くにワイヤがボンディングされる端子パッドとを有する構成のプリント回路基板において、
前記ダイパッドは、その表面に、前記ダイパッドの中心側より前記ダイパッドの周縁の方向に延びており、前記ダイパッドの周縁よりも内側の位置を終端とされた溝を、複数有し、
前記複数の溝は、放射状に並んでおり、
且つ、各溝は、前記ダイパッドの中心から前記ダイパッドの周縁側を見た場合に末広がりとなる向きの三角形が連なった形状であることを特徴とするプリント回路基板。
Priority Applications (2)
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JP2006345532A JP4757790B2 (ja) | 2006-12-22 | 2006-12-22 | 半導体素子の実装構造及びプリント回路基板 |
US11/797,883 US7948091B2 (en) | 2006-12-22 | 2007-05-08 | Mounting structure for semiconductor element |
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JP2006345532A JP4757790B2 (ja) | 2006-12-22 | 2006-12-22 | 半導体素子の実装構造及びプリント回路基板 |
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JP2009194079A (ja) * | 2008-02-13 | 2009-08-27 | Panasonic Corp | 半導体装置用配線基板とその製造方法及びそれを用いた半導体装置 |
JP5954013B2 (ja) | 2012-07-18 | 2016-07-20 | 日亜化学工業株式会社 | 半導体素子実装部材及び半導体装置 |
TWI539872B (zh) * | 2013-01-09 | 2016-06-21 | 聯京光電股份有限公司 | 基板、半導體結構以及其相關製造方法 |
US9196602B2 (en) * | 2013-05-17 | 2015-11-24 | Hong Kong Applied Science and Technology Research Institute Company Limited | High power dielectric carrier with accurate die attach layer |
US9293395B2 (en) * | 2014-03-19 | 2016-03-22 | Freescale Semiconductor, Inc. | Lead frame with mold lock structure |
JP6858688B2 (ja) * | 2017-10-24 | 2021-04-14 | 三菱電機株式会社 | 半導体装置 |
JP7134763B2 (ja) * | 2018-07-23 | 2022-09-12 | キヤノン株式会社 | モジュール及びその製造方法 |
CN113632215A (zh) * | 2019-03-26 | 2021-11-09 | 罗姆股份有限公司 | 电子装置以及电子装置的制造方法 |
FR3094564A1 (fr) * | 2019-03-28 | 2020-10-02 | Stmicroelectronics (Grenoble 2) Sas | Refroidissement de circuits électroniques |
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