JP2011060940A - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- JP2011060940A JP2011060940A JP2009207952A JP2009207952A JP2011060940A JP 2011060940 A JP2011060940 A JP 2011060940A JP 2009207952 A JP2009207952 A JP 2009207952A JP 2009207952 A JP2009207952 A JP 2009207952A JP 2011060940 A JP2011060940 A JP 2011060940A
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/20—Parameters
- H01L2924/207—Diameter ranges
- H01L2924/20751—Diameter ranges larger or equal to 10 microns less than 20 microns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/20—Parameters
- H01L2924/207—Diameter ranges
- H01L2924/20752—Diameter ranges larger or equal to 20 microns less than 30 microns
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/20—Parameters
- H01L2924/207—Diameter ranges
- H01L2924/20753—Diameter ranges larger or equal to 30 microns less than 40 microns
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Abstract
【解決手段】ワイヤボンディングのステッチボンディング(2ndボンディング)においてキャピラリの高さ制御を行うことにより、ワイヤ接合部におけるステッチ部の厚さ制御を行うことが可能になり、その接合強度を確保して接合信頼性の向上を図ることができる。また、ステッチ部の厚さを確保することができるため、ワイヤボンディングにおいて銅線を採用することが可能になり、ワイヤボンディングのコストの低減化を図れる。
【選択図】図11
Description
図1は本発明の実施の形態の半導体装置の構造の一例を示す平面図、図2は図1に示すA−A線に沿って切断した構造を示す断面図である。
2 マトリクスフレーム(リードフレーム)
2a インナリード(リード)
2b アウタリード
2c タブ(チップ搭載部)
2d デバイス領域
2e 枠部
2f スプロケットホール
2g 長孔
3 封止体
4 半導体チップ
4a 主面
4b 裏面
4c 電極パッド
5 ワイヤ
5a ステッチ部
6 ワイヤボンダ
6a XYテーブル
6b ボンディングヘッド部
6c 高さ制御部
6d ホーン
6e キャピラリ
6f エッジ部
6g クランパ
6h テンショナ
6i トーチ
6j ヒートステージ
7 BGA(半導体装置)
8 BGA基板(配線基板)
8a 主面
8b 裏面
8c ボンディングリード
9 多数個取り基板(配線基板)
9a デバイス領域
9b ダイシングライン
9c 貫通孔
9d 主面
9e チップ搭載部
10 樹脂ペースト材
11 半田ボール
20 ステッチ部
Claims (12)
- (a)半導体チップが搭載されるチップ搭載部と前記チップ搭載部の周囲に配置された複数のリードとを備えたリードフレームを準備する工程と、
(b)前記リードフレームの前記チップ搭載部に前記半導体チップを搭載する工程と、
(c)前記半導体チップの電極パッドと前記電極パッドに対応する前記リードとを、キャピラリの案内によってワイヤで接続する工程とを有し、
前記(c)工程は、前記ワイヤを前記リードに接続する際に、前記ワイヤが前記リードに接触する第1地点から前記キャピラリが前記リードに接触する第2地点までの間、前記キャピラリが前記ワイヤを段階的に押圧するように前記キャピラリの高さを制御する高さ制御工程を含むことを特徴とする半導体装置の製造方法。 - 請求項1記載の半導体装置の製造方法において、前記(c)工程の前記高さ制御工程で、前記キャピラリの先端部の高さをモニタリングし、前記キャピラリの降下速度が設定値より大きくなった際には、前記キャピラリから前記ワイヤに付与する荷重の大きさを小さくし、前記キャピラリの降下速度が前記設定値より小さくなった際には、前記キャピラリから前記ワイヤに付与する荷重の大きさを大きくすることを特徴とする半導体装置の製造方法。
- 請求項2記載の半導体装置の製造方法において、前記ワイヤは、銅線であることを特徴とする半導体装置の製造方法。
- 請求項2記載の半導体装置の製造方法において、前記(c)工程は、前記高さ制御工程の後、前記キャピラリから前記ワイヤに荷重を付与する荷重制御工程を含むことを特徴とする半導体装置の製造方法。
- 請求項3記載の半導体装置の製造方法において、前記(c)工程では前記ワイヤに対して超音波を印加することを特徴とする半導体装置の製造方法。
- 請求項5記載の半導体装置の製造方法において、前記高さ制御工程での前記キャピラリの高さ方向の移動量は、前記ワイヤの直径と同じであることを特徴とする半導体装置の製造方法。
- 請求項6記載の半導体装置の製造方法において、前記高さ制御工程での前記キャピラリの水平方向の移動量は、前記ワイヤの直径と同じであることを特徴とする半導体装置の製造方法。
- 請求項4記載の半導体装置の製造方法において、前記荷重制御工程では、前記キャピラリは水平方向に移動せずに前記ワイヤに荷重を付与することを特徴とする半導体装置の製造方法。
- (a)半導体チップが搭載されるチップ搭載部と前記チップ搭載部の周囲に配置された複数のボンディングリードとを備えた配線基板を準備する工程と、
(b)前記配線基板の前記チップ搭載部に前記半導体チップを搭載する工程と、
(c)前記半導体チップの電極パッドと前記電極パッドに対応する前記ボンディングリードとを、キャピラリの案内によってワイヤで接続する工程とを有し、
前記(c)工程は、前記ワイヤを前記ボンディングリードに接続する際に、前記ワイヤが前記ボンディングリードに接触する第1地点から前記キャピラリが前記ボンディングリードに接触する第2地点までの間、前記キャピラリが前記ワイヤを段階的に押圧するように前記キャピラリの高さを制御する高さ制御工程を含むことを特徴とする半導体装置の製造方法。 - 請求項9記載の半導体装置の製造方法において、前記(c)工程の前記高さ制御工程で、前記キャピラリの先端部の高さをモニタリングし、前記キャピラリの降下速度が設定値より大きくなった際には、前記キャピラリから前記ワイヤに付与する荷重の大きさを小さくし、前記キャピラリの降下速度が前記設定値より小さくなった際には、前記キャピラリから前記ワイヤに付与する荷重の大きさを大きくすることを特徴とする半導体装置の製造方法。
- 請求項10記載の半導体装置の製造方法において、前記ワイヤは、銅線であることを特徴とする半導体装置の製造方法。
- 請求項10記載の半導体装置の製造方法において、前記(c)工程は、前記高さ制御工程の後、前記キャピラリから前記ワイヤに荷重を付与する荷重制御工程を含むことを特徴とする半導体装置の製造方法。
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CN201010253727.2A CN102024724B (zh) | 2009-09-09 | 2010-08-12 | 半导体器件的制造方法以及半导体器件 |
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JP2011249724A (ja) * | 2010-05-31 | 2011-12-08 | Renesas Electronics Corp | 半導体装置の製造方法及び半導体装置 |
US20220199571A1 (en) * | 2020-12-23 | 2022-06-23 | Skyworks Solutions, Inc. | Apparatus and methods for tool mark free stitch bonding |
WO2023211970A1 (en) * | 2022-04-28 | 2023-11-02 | Kulicke And Soffa Industries, Inc. | Methods of improving wire bonding operations |
Citations (2)
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JPS61114541A (ja) * | 1984-11-09 | 1986-06-02 | Toshiba Corp | ワイヤボンデイング方法 |
JPH05283463A (ja) * | 1992-03-31 | 1993-10-29 | Toshiba Seiki Kk | ワイヤボンディング方法 |
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JPS61114541A (ja) * | 1984-11-09 | 1986-06-02 | Toshiba Corp | ワイヤボンデイング方法 |
JPH05283463A (ja) * | 1992-03-31 | 1993-10-29 | Toshiba Seiki Kk | ワイヤボンディング方法 |
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JP2011249724A (ja) * | 2010-05-31 | 2011-12-08 | Renesas Electronics Corp | 半導体装置の製造方法及び半導体装置 |
US20220199571A1 (en) * | 2020-12-23 | 2022-06-23 | Skyworks Solutions, Inc. | Apparatus and methods for tool mark free stitch bonding |
WO2023211970A1 (en) * | 2022-04-28 | 2023-11-02 | Kulicke And Soffa Industries, Inc. | Methods of improving wire bonding operations |
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