JP4308671B2 - ワイヤボンドパッドを有する半導体装置とその製作方法 - Google Patents
ワイヤボンドパッドを有する半導体装置とその製作方法 Download PDFInfo
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- JP4308671B2 JP4308671B2 JP2003577330A JP2003577330A JP4308671B2 JP 4308671 B2 JP4308671 B2 JP 4308671B2 JP 2003577330 A JP2003577330 A JP 2003577330A JP 2003577330 A JP2003577330 A JP 2003577330A JP 4308671 B2 JP4308671 B2 JP 4308671B2
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- bond pad
- wire bond
- layer
- passivation layer
- conductor
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Description
される。図示した実施形態では、ボンドパッドがアルミニウムから形成され、電気的相互接続層が銅から形成される。本発明は、図1に示したワイヤボンドパッド構造から、大部分の銅を除去する。完全な標準サイズのアルミニウムパッドが、不活性化層の上に直接堆積される。下にあるチップ回路に電気接続を提供するために必要な分だけ、1または複数の小さな開口部が不活性化層に切り込んで作成される。アルミニウムキャップの堆積中、不活性化層の切り込みはアルミニウムで充填され、1または複数の下にある最終金属層の銅の相互接続へのバイアを形成する。
従って、明細書と図面は限定的な意味ではなく例証的な意味とみなすべきであり、そのような改変はすべて本発明の範囲内に包含される。
Claims (7)
- 能動回路を有する基板;
該基板上に形成された複数の銅の相互接続層;
該複数の銅の相互接続層の上に形成された不活性化層;および
前記複数の相互接続層のうちの1つの相互接続層の第1の導線を露出させる前記不活性化層中の1または複数の開口部を充填することにより、前記不活性化層の上に形成され、前記第1の導線に接続されたアルミニウムワイヤボンドパッド;
を備え、
前記複数の銅の相互接続層のうちの最終銅層中に第2の導線を形成し、該第2の導線は前記アルミニウムワイヤボンドパッドの直接下に位置し、前記不活性化層によってのみ前記アルミニウムワイヤボンドパッドから電気的に分離され、かつ、前記ワイヤボンドパッドに直接接続していない;
ことを特徴とする集積回路。 - 前記第2の導線が、当該集積回路上の電気回路に電源電圧をルーティングするためのものである、請求項1に記載の集積回路。
- 前記アルミニウムワイヤボンドパッドが、前記不活性化層を通る1または複数の充填された開口部を用いて前記複数の銅の相互接続層のうちの1つに接続される、請求項1に記載の集積回路。
- 前記複数の銅の相互接続層のうちの前記最終銅層は、前記アルミニウムワイヤボンドパッドの直接下に電源電圧をルーティングするための第3の導線を有し、該第3の導線は前記アルミニウムワイヤボンドパッドに直接接続していない、請求項1に記載の集積回路。
- 集積回路を製作する方法であって:
能動回路を有する基板を提供する工程;
前記基板上に複数の銅の相互接続層を形成する工程;
前記複数の銅の相互接続層の上に不活性化層を形成する工程;
前記複数の銅の相互接続層のうちの第1の導線を露出させるために前記不活性化層に1または複数の開口部を形成する工程;および
前記不活性化層の1または複数の開口部の上にアルミニウムワイヤボンドパッドを形成し、前記の1または複数の開口部を充填して前記第1の導線に電気的に接続するアルミニウムワイヤボンドパッドを形成する工程;
を有し、
前記アルミニウムワイヤボンドパッドは、前記複数の銅の相互接続層のうちの最終銅層中に形成した第2の導線の直接上に形成され、
該第2の導線は前記不活性化層によってのみ前記アルミニウムワイヤボンドパッドから電気的に分離され、かつ、前記ワイヤボンドパッドに直接接続していない、
ことを特徴とする方法。 - 集積回路を製作する方法であって:
基板上に第1の相互接続層を形成する工程;
該第1の相互接続層の上に第2の相互接続層を形成する工程;
該第2の相互接続層の上に不活性化層を形成する工程;
前記第2の相互接続層の第1の導線を露出させる開口部を前記不活性化層に形成する工程;
前記不活性化層の開口部を通じて前記第1の導線に電気的に接続するワイヤボンドパッドを形成する工程;および
前記ワイヤボンドパッドにワイヤボンドを接続する工程;
を有し、
前記ワイヤボンドパッドは前記不活性化層の上に延びて、前記第2の相互接続層の第2の導線の直接上に位置し、
前記第2の導線は前記ワイヤボンドパッドに直接接続しておらず前記不活性化層によってのみ前記ワイヤボンドパッドから電気的に分離されている、
ことを特徴とする方法。 - 集積回路を製作する方法であって:
ボンドパッドにワイヤボンドを接続する工程;
を有し、
前記ボンドパッドは不活性化層の開口部を通じて最終相互接続層の第1の導線に電気的に接続し、
前記ボンドパッドの一部は前記不活性化層の上に延び、
前記ボンドパッドは最終相互接続層の第2の導線の幅の実質的直接上に存在し、
前記第2の導線は、前記ボンドパッドに直接接続しておらず前記不活性化層によってのみボンドパッドから電気的に分離されている、
ことを特徴とする方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/097,059 US6614091B1 (en) | 2002-03-13 | 2002-03-13 | Semiconductor device having a wire bond pad and method therefor |
PCT/US2003/007783 WO2003079434A2 (en) | 2002-03-13 | 2003-03-12 | Semiconductor device having a wire bond pad and method therefor |
Publications (3)
Publication Number | Publication Date |
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JP2005520342A JP2005520342A (ja) | 2005-07-07 |
JP2005520342A5 JP2005520342A5 (ja) | 2006-05-11 |
JP4308671B2 true JP4308671B2 (ja) | 2009-08-05 |
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JP2003577330A Expired - Lifetime JP4308671B2 (ja) | 2002-03-13 | 2003-03-12 | ワイヤボンドパッドを有する半導体装置とその製作方法 |
Country Status (8)
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US (2) | US6614091B1 (ja) |
EP (1) | EP1483789B1 (ja) |
JP (1) | JP4308671B2 (ja) |
KR (1) | KR100979080B1 (ja) |
CN (1) | CN100461397C (ja) |
AU (1) | AU2003218146A1 (ja) |
TW (1) | TWI261906B (ja) |
WO (1) | WO2003079434A2 (ja) |
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2002
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- 2003-03-12 CN CNB038045214A patent/CN100461397C/zh not_active Expired - Lifetime
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- 2003-03-12 WO PCT/US2003/007783 patent/WO2003079434A2/en active Application Filing
- 2003-03-12 AU AU2003218146A patent/AU2003218146A1/en not_active Abandoned
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US9508980B2 (en) | 1996-08-08 | 2016-11-29 | Hitachi Chemical Company, Ltd. | Graphite particles and lithium secondary battery using the same as negative |
JP7008848B2 (ja) | 2019-08-09 | 2022-01-25 | 出光興産株式会社 | 固体電解質の製造方法 |
Also Published As
Publication number | Publication date |
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EP1483789B1 (en) | 2016-11-16 |
KR20040088584A (ko) | 2004-10-16 |
AU2003218146A1 (en) | 2003-09-29 |
TW200305267A (en) | 2003-10-16 |
CN100461397C (zh) | 2009-02-11 |
CN1639865A (zh) | 2005-07-13 |
AU2003218146A8 (en) | 2003-09-29 |
TWI261906B (en) | 2006-09-11 |
WO2003079434A3 (en) | 2004-03-11 |
EP1483789A2 (en) | 2004-12-08 |
US6846717B2 (en) | 2005-01-25 |
US6614091B1 (en) | 2003-09-02 |
US20030173637A1 (en) | 2003-09-18 |
KR100979080B1 (ko) | 2010-08-31 |
WO2003079434A2 (en) | 2003-09-25 |
US20040036174A1 (en) | 2004-02-26 |
JP2005520342A (ja) | 2005-07-07 |
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