发明授权
- 专利标题： Configuration and method to generate saddle junction electric field in edge termination
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申请号： US14298537申请日： 2014-06-06
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公开(公告)号： US09231050B1公开(公告)日： 2016-01-05
- 发明人: Madhur Bobde , Lingping Guan , Anup Bhalla , Hamza Yilmaz
- 申请人： Madhur Bobde , Lingping Guan , Anup Bhalla , Hamza Yilmaz
- 申请人地址： US CA Sunnyvale
- 专利权人： Alpha and Omega Semiconductor Incorporated
- 当前专利权人： Alpha and Omega Semiconductor Incorporated
- 当前专利权人地址： US CA Sunnyvale
- 代理商 Bo-In Lin
- 主分类号： H01L27/088
- IPC分类号： H01L27/088 ; H01L29/06 ; H01L21/761
摘要：
This invention discloses a semiconductor power device disposed in a semiconductor substrate and having an active cell area and an edge termination area the edge termination area wherein the edge termination area comprises a superjunction structure having doped semiconductor columns of alternating conductivity types with a charge imbalance between the doped semiconductor columns to generate a saddle junction electric field in the edge termination.
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