JP2006222128A - ワイヤボンディング方法 - Google Patents
ワイヤボンディング方法 Download PDFInfo
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- JP2006222128A JP2006222128A JP2005031701A JP2005031701A JP2006222128A JP 2006222128 A JP2006222128 A JP 2006222128A JP 2005031701 A JP2005031701 A JP 2005031701A JP 2005031701 A JP2005031701 A JP 2005031701A JP 2006222128 A JP2006222128 A JP 2006222128A
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Abstract
【解決手段】第1ボンド点であるダイ3のパッド2に第1ボンディングを行った後、第2ボンド点である配線上に第2ボンディングを行い、パッド2と配線間をワイヤ10で接続するワイヤボンディング方法である。パッド2上に予めバンプ12を形成し、このバンプ12形成工程におけるワイヤ切断工程によって、キャピラリ6の先端部より突出したワイヤ10を横方向に折り曲げて曲げ部15を形成し、その後曲げ部15をバンプ12にボンディングして前記第1ボンディング工程を行い、その後ワイヤ10を配線にボンディングして前記第2ボンディング工程を行う。
【選択図】図1
Description
2 パッド
3 ダイ
4 配線
5 クランパ
6 キャピラリ
10 ワイヤ
11 ボール
12 バンプ
13 ホール部分
14 薄肉部
15 曲げ部
16 第1ボンディング部
17 第2ボンディング部
20 下部第1ボンディング部
22 上部第1ボンディング部
23 第1ボンディング部
24 第2ボンディング部
30 薄肉部
31 ボールネック部
Claims (6)
- 第1ボンド点であるダイのパッドに第1ボンディングを行った後、第2ボンド点である配線上に第2ボンディングを行い、前記パッドと前記配線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、前記パッド上に予めバンプを形成し、このバンプ形成工程におけるワイヤ切断工程によって、キャピラリの先端部より突出したワイヤを横方向に折り曲げて曲げ部を形成し、その後前記曲げ部を前記バンプにボンディングして前記第1ボンディング工程を行い、その後ワイヤを前記配線にボンディングして前記第2ボンディング工程を行うことを特徴とするワイヤボンディング方法。
- 第1ボンド点である配線に第1ボンディングを行った後、第2ボンド点であるダイのパッド上に第2ボンディングを行い、前記配線と前記パッド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、前記パッド上に予めバンプを形成し、このバンプ形成工程におけるワイヤ切断工程によって、キャピラリの先端部より突出したワイヤを横方向に折り曲げて曲げ部を形成し、この曲げ部を前記配線にボンディングして下部第1ボンディング部を形成する工程と、キャピラリを上昇及び前記下部第1ボンディング部の上方に移動させ、その後キャピラリを下降させてワイヤを前記下部第1ボンディング部上に重ねて接続して上部第1ボンディング部を形成する工程とから前記第1ボンディング工程を行い、その後ワイヤを前記バンプにボンディングして前記第2ボンディング工程を行うことを特徴とするワイヤボンディング方法。
- 前記曲げ部は、クランパでワイヤをクランプして該クランパを横方向に移動させてワイヤを切断して形成することを特徴とする請求項1又は2記載のワイヤボンディング方法。
- 前記曲げ部は、クランパでワイヤをクランプし、次にボンディングするパッドと配線を結ぶ方向に平行で、かつ配線側にキャピラリを移動させてワイヤを切断して形成することを特徴とする請求項1記載のワイヤボンディング方法。
- 前記バンプは、ボールを前記パッドにボンディングした後、キャピラリの下端のエッジ部がバンプ上に形成されたホール部分の高さ以内に位置するようにキャピラリを上昇させ、次にキャピラリを横方向に移動させてバンプとワイヤとの接続部に薄肉部を形成し、続いてキャピラリを一定量上昇させた後、ワイヤを引っ張って前記薄肉部より切断して形成されることを特徴とする請求項1又は2記載のワイヤボンディング方法。
- 前記バンプは、ボールを前記パッドにボンディングし、この時のボールの潰しをワイヤを引っ張った時にボールネック部下部より引きちぎれる厚さになるまで押し潰してボールネック部下部に薄肉部を形成し、次にワイヤを斜め上方に引っ張って前記薄肉部より切断して形成されることを特徴とする請求項1又は2記載のワイヤボンディング方法。
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JP2005031701A JP4298665B2 (ja) | 2005-02-08 | 2005-02-08 | ワイヤボンディング方法 |
TW094142037A TW200629447A (en) | 2005-02-08 | 2005-11-30 | Wire bonding method |
KR1020050121554A KR100765376B1 (ko) | 2005-02-08 | 2005-12-12 | 와이어 본딩 방법 |
US11/347,479 US20060175383A1 (en) | 2005-02-08 | 2006-02-03 | Wire bonding method |
US12/384,643 US7934634B2 (en) | 2005-02-08 | 2009-04-07 | Wire bonding method |
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- 2005-02-08 JP JP2005031701A patent/JP4298665B2/ja not_active Expired - Fee Related
- 2005-11-30 TW TW094142037A patent/TW200629447A/zh not_active IP Right Cessation
- 2005-12-12 KR KR1020050121554A patent/KR100765376B1/ko not_active IP Right Cessation
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2006
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US12107070B2 (en) | 2020-07-15 | 2024-10-01 | Shinkawa Ltd. | Wire bonding apparatus and method for manufacturing semiconductor device |
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JP4298665B2 (ja) | 2009-07-22 |
US20060175383A1 (en) | 2006-08-10 |
TW200629447A (en) | 2006-08-16 |
KR100765376B1 (ko) | 2007-10-10 |
US7934634B2 (en) | 2011-05-03 |
TWI358096B (ja) | 2012-02-11 |
US20090194577A1 (en) | 2009-08-06 |
KR20060090567A (ko) | 2006-08-14 |
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