Invention Publication
- Patent Title: LDMOS DEVICE AND METHOD OF FABRICATION OF SAME
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Application No.: US18072515Application Date: 2022-11-30
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Publication No.: US20240178283A1Publication Date: 2024-05-30
- Inventor: Jingjing Chen
- Applicant: TEXAS INSTRUMENTS INCORPORATED
- Applicant Address: US TX Dallas
- Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee Address: US TX Dallas
- Main IPC: H01L29/40
- IPC: H01L29/40 ; H01L29/06 ; H01L29/10 ; H01L29/66 ; H01L29/78

Abstract:
An LDMOS device includes a semiconductor substrate with an epitaxial layer that comprises a body region and a drain drift region. A drain region is formed in the drain drift region and a source region is formed in the body region. A gate shield may be formed over a gate shield dielectric layer disposed over a gate electrode, the gate shield having a variable length and tied to the source that is provided with a body connection via a deep trench contact.
Information query
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