Invention Grant
- Patent Title: Device and method for controlling intro-die variation
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Application No.: US15987706Application Date: 2018-05-23
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Publication No.: US10546757B2Publication Date: 2020-01-28
- Inventor: Cheng-Hsiung Hung , Po-Shu Wang
- Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
- Applicant Address: TW Hsin-Chu
- Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
- Current Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
- Current Assignee Address: TW Hsin-Chu
- Agency: Duane Morris LLP
- Main IPC: H01L21/3213
- IPC: H01L21/3213 ; H01L21/3205 ; H01L29/06 ; H01L21/762 ; H01L21/321

Abstract:
Disclosed is a method for fabricating a semiconductor device with intra-die variation control. In one embodiment, a method for fabricating a semiconductor device includes: depositing a first dielectric layer on a semiconductor substrate die; patterning a conductive layer on the first dielectric layer to create at least one device region and at least one dummy pattern region, wherein the at least one device region comprises a plurality of first conductive patterns and the at least one dummy pattern region comprises a plurality of second conductive patterns to control intra-die variation.
Public/Granted literature
- US20190362986A1 DEVICE AND METHOD FOR CONTROLLING INTRO-DIE VARIATION Public/Granted day:2019-11-28
Information query
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