发明授权
US08716858B2 Bump structure with barrier layer on post-passivation interconnect
有权
在钝化后互连上具有阻挡层的凹凸结构
- 专利标题: Bump structure with barrier layer on post-passivation interconnect
- 专利标题(中): 在钝化后互连上具有阻挡层的凹凸结构
-
申请号: US13167946申请日: 2011-06-24
-
公开(公告)号: US08716858B2公开(公告)日: 2014-05-06
- 发明人: Chen-Fa Lu , Chung-Shi Liu , Mirng-Ji Lii , Chen-Hua Yu
- 申请人: Chen-Fa Lu , Chung-Shi Liu , Mirng-Ji Lii , Chen-Hua Yu
- 申请人地址: TW
- 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
- 代理机构: Lowe Hauptman & Ham, LLP
- 主分类号: H01L23/48
- IPC分类号: H01L23/48
摘要:
A semiconductor device includes a barrier layer between a solder bump and a post-passivation interconnect (PPI) layer. The barrier layer is formed of at least one of an electroless nickel (Ni) layer, an electroless palladium (Pd) layer or an immersion gold (Au) layer.
公开/授权文献
信息查询
IPC分类: