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公开(公告)号:US09123769B2
公开(公告)日:2015-09-01
申请号:US13915810
申请日:2013-06-12
发明人: Ho Hyun Kim , Seung Bae Hur , Seung Wook Song , Jeong Hwan Park , Ha Yong Yang , In Su Kim
IPC分类号: H01L29/66 , H01L29/739
CPC分类号: H01L29/1095 , H01L29/0804 , H01L29/0821 , H01L29/66333 , H01L29/66348 , H01L29/7395 , H01L29/7397
摘要: Provided is a power semiconductor device and a fabrication method thereof are provided. The power semiconductor device includes: a first epitaxial layer; a collector layer formed on one side of the first epitaxial layer; and a second epitaxial layer formed on another side of the first epitaxial layer, the first epitaxial layer having a higher doping concentration than the second epitaxial layer.
摘要翻译: 提供了功率半导体器件及其制造方法。 功率半导体器件包括:第一外延层; 集电极层,形成在所述第一外延层的一侧上; 以及形成在所述第一外延层的另一侧上的第二外延层,所述第一外延层具有比所述第二外延层更高的掺杂浓度。