Invention Grant
- Patent Title: Transistor structures having a deep recessed P+ junction and methods for making same
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Application No.: US16148214Application Date: 2018-10-01
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Publication No.: US10886396B2Publication Date: 2021-01-05
- Inventor: Qingchun Zhang , Brett Hull
- Applicant: Cree, Inc.
- Applicant Address: US NC Durham
- Assignee: Cree, Inc.
- Current Assignee: Cree, Inc.
- Current Assignee Address: US NC Durham
- Agency: Withrow & Terranova, P.L.L.C.
- Main IPC: H01L29/78
- IPC: H01L29/78 ; H01L29/16 ; H01L29/66 ; H01L29/06 ; H01L29/10 ; H01L29/417 ; H01L29/08

Abstract:
A transistor device having a deep recessed P+ junction is disclosed. The transistor device may comprise a gate and a source on an upper surface of the transistor device, and may include at least one doped well region, wherein the at least one doped well region has a first conductivity type that is different from a conductivity type of a source region within the transistor device and the at least one doped well region is recessed from the upper surface of the transistor device by a depth. The deep recessed P+ junction may be a deep recessed P+ implanted junction within a source contact area. The deep recessed P+ junction may be deeper than a termination structure in the transistor device. The transistor device may be a Silicon Carbide (SiC) MOSFET device.
Public/Granted literature
- US20190043980A1 TRANSISTOR STRUCTURES HAVING A DEEP RECESSED P+ JUNCTION AND METHODS FOR MAKING SAME Public/Granted day:2019-02-07
Information query
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