JP2012227241A - Al−Cuボンディングリボン及びその製造方法 - Google Patents
Al−Cuボンディングリボン及びその製造方法 Download PDFInfo
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Abstract
【解決手段】 Al材とCu材を接合した2層構造のボンディングリボン1であって、Al材及びCu材の接合すべき表面をRmaxで5μm以下に研磨し、両者の研磨面を合わせて冷間圧延により接合した後、不活性ガス雰囲気中において250〜350℃の温度で1時間以上熱処理して得られ、Al材層1aの硬度が20〜30Hv及びCu材層1bの硬度が40〜50Hvである。
【選択図】 図1
Description
1a Al材層
1b Cu材層
2 ICチップ
3 Alプレート面
4 リードフレーム端子
Claims (5)
- Al材とCu材を接合した2層構造のボンディングリボンであって、Al材層の硬度が20〜30Hv及びCu材層の硬度が40〜50Hvであることを特徴とするAl−Cuボンディングリボン。
- 前記Al−Cuボンディングリボンは、Al材とCu材の冷間圧延での接合後に250〜350℃の温度で熱処理されたものであることを特徴とする、請求項1に記載のAl−Cuボンディングリボン。
- Al材とCu材を接合した2層構造のボンディングリボンの製造方法であって、Al材及びCu材の接合すべき表面を研磨し、両者の研磨面を合わせて冷間圧延により接合した後、250〜350℃の温度で熱処理をすることを特徴とするAl−Cuボンディングリボンの製造方法。
- 前記Al材及びCu材の接合すべき表面を、表面粗さが共にRmaxで5μm以下となるように研磨することを特徴とする、請求項3に記載のAl−Cuボンディングリボンの製造方法。
- 前記研磨後のAl材とCu材を冷間にて所定の厚さにロール圧延して接合し、所定の幅にスリット加工した後、不活性ガス雰囲気中で1時間以上熱処理することを特徴とする、請求項3又は4に記載のAl−Cuボンディングリボンの製造方法。
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3021356A1 (de) * | 2014-11-17 | 2016-05-18 | Robert Bosch Gmbh | Verbindungsanordnung mit einem mehrschichtigen bondflachdraht |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0494155A (ja) * | 1990-08-09 | 1992-03-26 | Fuji Electric Co Ltd | 半導体装置の外部導出端子 |
JPH09115965A (ja) * | 1995-10-20 | 1997-05-02 | Sony Corp | バンプ付金属リードおよびその製造方法 |
JPH09306945A (ja) * | 1996-05-16 | 1997-11-28 | Shinko Electric Ind Co Ltd | 半導体装置用パッケージおよび半導体装置 |
US20020006526A1 (en) * | 1999-10-11 | 2002-01-17 | Polese Frank J. | Aluminum silicon carbide and copper clad material and manufacturing process |
JP2005259880A (ja) * | 2004-03-10 | 2005-09-22 | Fuji Electric Holdings Co Ltd | 半導体装置 |
JP2007324603A (ja) * | 2006-06-02 | 2007-12-13 | Robert Bosch Gmbh | リボンとして形成されたボンディングワイヤ |
JP2011192840A (ja) * | 2010-03-15 | 2011-09-29 | Tanaka Electronics Ind Co Ltd | 半導体素子用平角状アルミニウム被覆銅リボン |
JP4961512B2 (ja) * | 2010-06-08 | 2012-06-27 | 株式会社Neomaxマテリアル | アルミニウム銅クラッド材 |
-
2011
- 2011-04-18 JP JP2011091697A patent/JP5500117B2/ja not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0494155A (ja) * | 1990-08-09 | 1992-03-26 | Fuji Electric Co Ltd | 半導体装置の外部導出端子 |
JPH09115965A (ja) * | 1995-10-20 | 1997-05-02 | Sony Corp | バンプ付金属リードおよびその製造方法 |
JPH09306945A (ja) * | 1996-05-16 | 1997-11-28 | Shinko Electric Ind Co Ltd | 半導体装置用パッケージおよび半導体装置 |
US20020006526A1 (en) * | 1999-10-11 | 2002-01-17 | Polese Frank J. | Aluminum silicon carbide and copper clad material and manufacturing process |
JP2005259880A (ja) * | 2004-03-10 | 2005-09-22 | Fuji Electric Holdings Co Ltd | 半導体装置 |
JP2007324603A (ja) * | 2006-06-02 | 2007-12-13 | Robert Bosch Gmbh | リボンとして形成されたボンディングワイヤ |
JP2011192840A (ja) * | 2010-03-15 | 2011-09-29 | Tanaka Electronics Ind Co Ltd | 半導体素子用平角状アルミニウム被覆銅リボン |
JP4961512B2 (ja) * | 2010-06-08 | 2012-06-27 | 株式会社Neomaxマテリアル | アルミニウム銅クラッド材 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3021356A1 (de) * | 2014-11-17 | 2016-05-18 | Robert Bosch Gmbh | Verbindungsanordnung mit einem mehrschichtigen bondflachdraht |
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