- 专利标题: Schottky device and method of manufacturing the same
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申请号: US15705242申请日: 2017-09-14
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公开(公告)号: US10586876B2公开(公告)日: 2020-03-10
- 发明人: Wing Chong Tony Chau , Wing Kit Cheung , Wai Tien Chan
- 申请人: Alpha Power Solutions Limited
- 申请人地址: CN
- 专利权人: Alpha Power Solutions Limited
- 当前专利权人: Alpha Power Solutions Limited
- 当前专利权人地址: CN
- 代理机构: Patent Law Group: Atkins and Associates, P.C.
- 代理商 Robert D. Atkins
- 优先权: CN201710809729 20170908
- 主分类号: H01L29/872
- IPC分类号: H01L29/872 ; H01L29/16 ; H01L29/66 ; H01L29/47 ; H01L29/36 ; H01L29/06 ; H01L29/267
摘要:
A Schottky device includes a silicon carbide (SiC) substrate of a first conductivity type, a drift layer of the first conductivity type, a trench, a barrier layer of a second conductivity type, an electrically conductive material that at least partially fills the trench and contacts the barrier layer, a first electrode, and a second electrode. The drift layer is formed of SiC and is situated onto the SiC substrate. The trench extends from the top surface of the drift layer towards the SiC substrate. The barrier layer contacts the drifting layer and covers a sidewall and a bottom wall of the trench. The first electrode forms a Schottky junction with the drift layer and forms a low resistivity contact with the barrier layer and the electrically conductive material. The second electrode forms an ohmic contact with the SiC substrate.
公开/授权文献
- US20190081184A1 Schottky Device and Method of Manufacturing the Same 公开/授权日:2019-03-14
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