Invention Grant
- Patent Title: Semiconductor device with profiled work-function metal gate electrode and method of making
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Application No.: US16914883Application Date: 2020-06-29
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Publication No.: US11075124B2Publication Date: 2021-07-27
- Inventor: Da-Yuan Lee , Hung-Chin Chung , Hsien-Ming Lee , Kuan-Ting Liu , Syun-Ming Jang , Weng Chang , Wei-Jen Lo
- Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
- Applicant Address: TW Hsin-Chu
- Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
- Current Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
- Current Assignee Address: TW Hsin-Chu
- Agency: Cooper Legal Group, LLC
- Main IPC: H01L21/8238
- IPC: H01L21/8238 ; H01L21/28 ; H01L29/49 ; H01L29/66 ; H01L29/51 ; H01L29/78

Abstract:
The present disclosure provides a semiconductor device with a profiled work-function metal gate electrode. The semiconductor structure includes a metal gate structure formed in an opening of an insulating layer. The metal gate structure includes a gate dielectric layer, a barrier layer, a work-function metal layer between the gate dielectric layer and the barrier layer and a work-function adjustment layer over the barrier layer, wherein the work-function metal has an ordered grain orientation. The present disclosure also provides a method of making a semiconductor device with a profiled work-function metal gate electrode.
Public/Granted literature
- US20200335404A1 SEMICONDUCTOR DEVICE WITH PROFILED WORK-FUNCTION METAL GATE ELECTRODE AND METHOD OF MAKING Public/Granted day:2020-10-22
Information query
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