Invention Grant
- Patent Title: Power semiconductor device having a field electrode
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Application No.: US15651126Application Date: 2017-07-17
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Publication No.: US10204993B2Publication Date: 2019-02-12
- Inventor: Franz Hirler
- Applicant: Infineon Technologies Austria AG
- Applicant Address: AT Villach
- Assignee: Infineon Technologies Austria AG
- Current Assignee: Infineon Technologies Austria AG
- Current Assignee Address: AT Villach
- Agency: Murphy, Bilak & Homiller, PLLC
- Priority: DE102016113183 20160718
- Main IPC: H01L29/40
- IPC: H01L29/40 ; H01L29/06 ; H01L29/10 ; H01L29/15 ; H01L29/423 ; H01L29/739 ; H01L29/78 ; H01L29/861

Abstract:
A power semiconductor device includes: a semiconductor body for conducting a load current between first and second load terminals; source and channel regions and a drift volume in the semiconductor body; a semiconductor zone in the semiconductor body and coupling the drift volume to the second load terminal, a first transition established between the semiconductor zone and the drift volume; a control electrode insulated from the semiconductor body and the load terminals and configured to control a path of the load current in the channel region; and a trench extending into the drift volume along an extension direction and including a field electrode. An ohmic resistance of the field electrode is greater than an ohmic resistance of the control electrode. A distance between the field electrode and the first transition is at least 70% of the total extension of the drift volume in the extension direction.
Public/Granted literature
- US20180019310A1 Power Semiconductor Device Having a Field Electrode Public/Granted day:2018-01-18
Information query
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