JP2006196495A - ワイヤループ形状、そのワイヤループ形状を備えた半導体装置、ワイヤボンディング方法 - Google Patents
ワイヤループ形状、そのワイヤループ形状を備えた半導体装置、ワイヤボンディング方法 Download PDFInfo
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Abstract
【課題】第1ボンディング点のボール頂上部分にキャピラリによるワイヤの潰し跡を発生させることなく、安定した低ワイヤループ形状及びネック高さ部のダメージの少ないワイヤループ形状を提供し、かつ前記ワイヤループ形状を適用した半導体装置及び前記ワイヤループ形状を形成するためのワイヤボンディング方法を提供することにある。
【解決手段】第1ボンディング点Aと第2ボンディング点Zとの間をワイヤ3で接続したワイヤループ形状において、第1ボンディング点のボールボンディング時にキャピラリ内部に入り込んだ部分の入り込み部hを、第2ボンディング点方向へ傾斜させた。
【選択図】 図1
Description
次に図6(b)に示すように、キャピラリ4はB点まで上昇してワイヤ3を繰り出す。次に図6(c)に示すように、キャピラリ4を第2ボンディング点Zと反対方向にC点まで水平移動させる。
続いて、図6(d)に示すように、キャピラリ4はD点まで上昇してワイヤ3を繰り出す。その後、図6(e)に示すように、キャピラリ4は再び第2ボンディング点Zと反対方向にE点まで水平移動、即ちリバース動作を行う。これにより、ワイヤ3は、C点からE点まで傾斜した形状となり、ワイヤ3の部分に癖3bが付く。
即ち、請求項1記載のワイヤループ形状は、第1ボンディング点と第2ボンディング点との間をワイヤで接続したワイヤループ形状において、第1ボンディング点のボールボンディング時にキャピラリ内部に入り込んだ部分の入り込み部を、第2ボンディング点方向へ傾斜させたことを特徴としている。
なお、前記第2の工程と第3の工程をn回(nは1,2,3・・・)繰り返すようにしてもよい。
なお、前記第2の工程と第3の工程をn回(nは1,2,3・・・)繰り返すようにしてもよい。
この場合に、前記第2の工程と第3の工程をn回(nは1,2,3・・・)繰り返すようにしてもよい。
なお、以後の説明において、従来と同一又は相当する部材若しくは相当部分には同一符号を付して説明する。
ワイヤループ形状は三角ループで、第1ボンディング点Aのボールボンディング時に、図3に示すように、キャピラリ4内部に入り込んだボールの一部で形成される入り込み部hを、図1(a),(b)に示すように、第2ボンディング点Z方向へ傾斜させている。
1a リード
2 チップ
2a パッド
3 ワイヤ
4 キャピラリ
30 ボール
h 入り込み部
H(2a−3a) ネック高さ部
S 傾斜部
A 第1ボンディング点
Z 第2ボンディング点
なお、前記第2の工程と第3の工程をn回(nは1,2,3・・・)繰り返すようにしてもよい。
なお、前記第2の工程と第3の工程をn回(nは1,2,3・・・)繰り返すようにしてもよい。
この場合に、前記第2の工程と第3の工程をn回(nは1,2,3・・・)繰り返すようにしてもよい。
なお、前記第2の工程と第3の工程をn回(nは1,2,3・・・)繰り返すようにしてもよい。
なお、前記第2の工程と第3の工程をn回(nは1,2,3・・・)繰り返すようにしてもよい。
この場合に、前記第2の工程と第3の工程をn回(nは1,2,3・・・)繰り返すようにしてもよい。
次に図6(b)に示すように、キャピラリ4はB点まで上昇してワイヤ3を繰り出す。次に図6(c)に示すように、キャピラリ4を第2ボンディング点Zと反対方向にC点まで水平移動させる。
なお、前記第2の工程と第3の工程をn回(nは1,2,3・・・)繰り返すようにしてもよい。
Claims (9)
- 第1ボンディング点と第2ボンディング点との間をワイヤで接続したワイヤループ形状において、第1ボンディング点のボールボンディング時にキャピラリ内部に入り込んだ部分の入り込み部を、第2ボンディング点方向へ傾斜させたことを特徴とするワイヤループ形状。
- 第1ボンディング点にワイヤを接続する第1の工程と、キャピラリを第2ボンディング点方向へと上昇・斜め上昇を行う第2の工程と、続いてキャピラリを上昇・水平移動・斜め上昇・斜め下降等のループコントロールを行う第3の工程と、次にキャピラリを上昇・水平移動・斜め上昇・斜め下降等のループコントロールを行いながらワイヤを繰り出して第2ボンディング点方向に移動させてワイヤを第2ボンディング点に接続する第4の工程とにより形成したことを特徴とする請求項1記載のワイヤループ形状。
- 前記第2の工程と第3の工程をn回(nは1,2,3・・・)繰り返すことを特徴とする請求項2記載のワイヤループ形状。
- 第1ボンディング点と第2ボンディング点との間をワイヤで接続するワイヤボンディング方法において、第1ボンディング点のボールボンディング時にキャピラリ内部に入り込んだ部分の入り込み部を、第2ボンディング点方向へ傾斜させるようにしたことを特徴とするワイヤボンディング方法。
- 第1ボンディング点にワイヤを接続する第1の工程と、次ぎにキャピラリを第2ボンディング点方向へと上昇・斜め上昇を行う第2の工程と、続いてキャピラリを上昇・水平移動・斜め上昇・斜め下降等のループコントロールを行う第3の工程と、次にキャピラリを上昇・水平移動・斜め上昇・斜め下降等のループコントロールを行いながらワイヤを繰り出して第2ボンディング点方向に移動させてワイヤを第2ボンディング点に接続する第4の工程とを備えたことを特徴とする請求項4記載のワイヤボンディング方法。
- 前記第2の工程と第3の工程をn回(nは1,2,3・・・)繰り返すことを特徴とする請求項5記載のワイヤボンディング方法。
- 第1ボンディング点と第2ボンディング点との間をワイヤで接続されたワイヤループ形状を有する半導体装置において、前記第1ボンディング点のボールボンディング時にキャピラリ内部に入り込んだ部分の入り込み部が、第2ボンディング点方向へ傾斜形成されていることを特徴とする半導体装置。
- 第1ボンディング点にワイヤを接続する第1の工程と、キャピラリを第2ボンディング点方向へと上昇・斜め上昇を行う第2の工程と、続いてキャピラリを上昇・水平移動・斜め上昇・斜め下降等のループコントロールを行う第3の工程と、次にキャピラリを上昇・水平移動・斜め上昇・斜め下降等のループコントロールを行いながらワイヤを繰り出して第2ボンディング点方向に移動させてワイヤを第2ボンディング点に接続する第4の工程とにより形成したワイヤループ形状を有することを特徴とする請求項7記載の半導体装置。
- 前記第2の工程と第3の工程をn回(nは1,2,3・・・)繰り返すことを特徴とする請求項8記載の半導体装置。
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JP2005003488A JP4137061B2 (ja) | 2005-01-11 | 2005-01-11 | ワイヤループ形状、そのワイヤループ形状を備えた半導体装置、ワイヤボンディング方法 |
TW095100024A TWI342055B (en) | 2005-01-11 | 2006-01-02 | Wire loop, semiconductor device having same and wire bonding method |
US11/325,166 US7815095B2 (en) | 2005-01-11 | 2006-01-04 | Wire loop, semiconductor device having same and wire bonding method |
KR1020060003035A KR100725307B1 (ko) | 2005-01-11 | 2006-01-11 | 와이어 루프, 그것을 갖는 반도체 장치 및 와이어 본딩방법 |
CN2006100040061A CN1815727B (zh) | 2005-01-11 | 2006-01-11 | 引线回路,具有该引线回路的半导体器件以及引线接合方法 |
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2005
- 2005-01-11 JP JP2005003488A patent/JP4137061B2/ja active Active
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2006
- 2006-01-02 TW TW095100024A patent/TWI342055B/zh active
- 2006-01-04 US US11/325,166 patent/US7815095B2/en active Active
- 2006-01-11 KR KR1020060003035A patent/KR100725307B1/ko not_active IP Right Cessation
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US8143155B2 (en) | 2008-10-27 | 2012-03-27 | Kabushiki Kaisha Shinkawa | Wire bonding method and semiconductor device |
US8815732B2 (en) | 2008-10-27 | 2014-08-26 | Shinkawa Ltd. | Wire bonding method and semiconductor device |
US20220199571A1 (en) * | 2020-12-23 | 2022-06-23 | Skyworks Solutions, Inc. | Apparatus and methods for tool mark free stitch bonding |
Also Published As
Publication number | Publication date |
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KR100725307B1 (ko) | 2007-06-07 |
CN1815727B (zh) | 2011-01-26 |
TWI342055B (en) | 2011-05-11 |
KR20060082053A (ko) | 2006-07-14 |
CN1815727A (zh) | 2006-08-09 |
US20060151579A1 (en) | 2006-07-13 |
TW200629450A (en) | 2006-08-16 |
US7815095B2 (en) | 2010-10-19 |
JP4137061B2 (ja) | 2008-08-20 |
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