JP7189846B2 - 半導体装置の製造方法および金属の積層方法 - Google Patents
半導体装置の製造方法および金属の積層方法 Download PDFInfo
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Description
Claims (7)
- 半導体部と、
前記半導体部上に選択的に設けられ、前記半導体部に電気的に接続された電極と、前記電極上に設けられた多層の金属層と、を備える半導体装置の製造方法であって、
前記電極上に第1金属層を選択的に形成し、
前記第1金属層を覆うパラジウム層を形成し、
前記パラジウム層を覆う第2金属層を形成し、
前記第2金属層を金層に置き換え、前記パラジウム層に接した金層を形成する半導体装置の製造方法。 - 前記第1金属層および前記第2金属層は、ニッケルを含む請求項1記載の製造方法。
- 前記金層は、無電解メッキを用いて形成される請求項1または2に記載の製造方法。
- 前記第1金属層、前記パラジウム層および前記第2金属層は、無電解メッキを用いて形成される請求項3記載の製造方法。
- 下地層上にニッケルを含む金属層を形成し、
前記金属層を覆うようにパラジウムを含む中間層を形成し、
前記中間層を覆うようにニッケルを含む置換層を形成し、
前記置換層のニッケルを、無電解メッキにより金に置換し、前記中間層に接した金層を形成する金属の積層方法。 - 前記金属層、前記中間層および前記置換層は、無電解メッキを用いて形成される請求項5記載の方法。
- 前記金属層、前記中間層および前記置換層の積層方向における前記金層の層厚は、前記金層に置換される前の前記置換層の前記積層方向における層厚よりも厚く形成される請求項5または6に記載の方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019131287A JP7189846B2 (ja) | 2019-07-16 | 2019-07-16 | 半導体装置の製造方法および金属の積層方法 |
| US16/803,524 US11183425B2 (en) | 2019-07-16 | 2020-02-27 | Method of manufacturing semiconductor device and method of laminating metal |
| CN202010127923.9A CN112242306B (zh) | 2019-07-16 | 2020-02-28 | 半导体装置的制造方法及金属的层叠方法 |
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| JP2019131287A JP7189846B2 (ja) | 2019-07-16 | 2019-07-16 | 半導体装置の製造方法および金属の積層方法 |
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| JP2021015943A JP2021015943A (ja) | 2021-02-12 |
| JP7189846B2 true JP7189846B2 (ja) | 2022-12-14 |
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| JP2008144188A (ja) | 2006-12-06 | 2008-06-26 | C Uyemura & Co Ltd | 無電解金めっき浴、無電解金めっき方法及び電子部品 |
| JP2008270816A (ja) | 2007-04-20 | 2008-11-06 | Samsung Electronics Co Ltd | 均一な無電解メッキ厚さを得ることができる半導体素子の製造方法 |
| JP2013194291A (ja) | 2012-03-21 | 2013-09-30 | Mitsubishi Electric Corp | 半導体装置およびその半導体装置の製造方法 |
| JP2019054159A (ja) | 2017-09-15 | 2019-04-04 | 東芝メモリ株式会社 | 半導体装置の製造方法 |
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| JPH10242205A (ja) | 1997-03-03 | 1998-09-11 | Hitachi Chem Co Ltd | ワイヤボンディング端子とその形成方法 |
| JP2006083442A (ja) * | 2004-09-17 | 2006-03-30 | Seiko Epson Corp | 成膜方法、電子デバイス、及び電子機器 |
| CN101101871B (zh) * | 2006-07-05 | 2010-09-15 | 永贺工业股份有限公司 | 制造二极管金属层的方法 |
| JP5286893B2 (ja) * | 2007-04-27 | 2013-09-11 | 日立化成株式会社 | 接続端子、接続端子を用いた半導体パッケージ及び半導体パッケージの製造方法 |
| JP5214179B2 (ja) * | 2007-06-12 | 2013-06-19 | 株式会社トクヤマ | メタライズド基板およびその製造方法 |
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| JP2021015943A (ja) | 2021-02-12 |
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