发明申请
- 专利标题: Copper Bump Structures Having Sidewall Protection Layers
- 专利标题(中): 具有侧壁保护层的铜凸块结构
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申请号: US12846260申请日: 2010-07-29
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公开(公告)号: US20110304042A1公开(公告)日: 2011-12-15
- 发明人: Jing-Cheng Lin , Ya-Hsi Hwung , Hsin-Yu Chen , Po-Hao Tsai , Yan-Fu Lin , Cheng-Lin Huang , Fang Wen Tsai , Wen-Chih Chiou
- 申请人: Jing-Cheng Lin , Ya-Hsi Hwung , Hsin-Yu Chen , Po-Hao Tsai , Yan-Fu Lin , Cheng-Lin Huang , Fang Wen Tsai , Wen-Chih Chiou
- 申请人地址: TW Hsin-Chu
- 专利权人: Taiwan Semiconductor Manufacturing Company, Ltd.
- 当前专利权人: Taiwan Semiconductor Manufacturing Company, Ltd.
- 当前专利权人地址: TW Hsin-Chu
- 主分类号: H01L23/498
- IPC分类号: H01L23/498 ; H01L21/768
摘要:
A work piece includes a copper bump having a top surface and sidewalls. A protection layer is formed on the sidewalls, and not on the top surface, of the copper bump. The protection layer includes a compound of copper and a polymer, and is a dielectric layer.
公开/授权文献
- US08922004B2 Copper bump structures having sidewall protection layers 公开/授权日:2014-12-30
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