The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 04, 2025
Filed:
Jun. 06, 2022
Taiwan Semiconductor Manufacturing Company, Ltd., Hsin-Chu, TW;
Chun Yu Chen, Hsinchu, TW;
Yen Lian Lai, New Taipei, TW;
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD, Hsinchu, TW;
Abstract
The present disclosure provides a semiconductor structure that includes a substrate having a circuit region and a seal ring region around the circuit region; first active regions of a first width Wformed in the circuit region; second active regions of a second width Wformed in the seal ring region; first gate stacks disposed on the first active regions in the circuit region and extending to isolation features; and second gate stacks disposed on the second active regions in the seal ring region and completely landing on the second active regions. The second width is greater than the first width, and each of the second active regions is a continuous ring shape to enclose the circuit region.