Invention Application
- Patent Title: INSULATED GATE BIPOLAR TRANSISTOR
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Application No.: US17762212Application Date: 2020-08-26
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Publication No.: US20220376094A1Publication Date: 2022-11-24
- Inventor: Long ZHANG , Jie MA , Yan GU , Sen ZHANG , Jing ZHU , Jinli GONG , Weifeng SUN , Longxing SHI
- Applicant: SOUTHEAST UNIVERSITY , CSMC TECHNOLOGIES FAB2 CO., LTD.
- Applicant Address: CN Nanjing, Jiangsu; CN Wuxi
- Assignee: SOUTHEAST UNIVERSITY,CSMC TECHNOLOGIES FAB2 CO., LTD.
- Current Assignee: SOUTHEAST UNIVERSITY,CSMC TECHNOLOGIES FAB2 CO., LTD.
- Current Assignee Address: CN Nanjing, Jiangsu; CN Wuxi
- Priority: CN201911065246.6 20191104
- International Application: PCT/CN2020/111385 WO 20200826
- Main IPC: H01L29/739
- IPC: H01L29/739 ; H01L29/08 ; H01L29/10 ; H01L29/06

Abstract:
An insulated gate bipolar transistor, comprising an anode second conductivity-type region and an anode first conductivity-type region provided on a drift region; the anode first conductivity-type region comprises a first region and a second region, and the anode second conductivity-type region comprises a third region and a fourth region, the dopant concentration of the first region being less than that of the second region, the dopant concentration of the third region being less than that of the fourth region, the third region being provided between the fourth region and a body region, the first region being provided below the fourth region, and the second region being provided below the third region and located between the first region and the body region.
Public/Granted literature
- US12119395B2 Insulated gate bipolar transistor Public/Granted day:2024-10-15
Information query
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