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:
Dec. 15, 2020
Filed:
Nov. 09, 2018
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Wan-Yen Lin, Kaohsiung, TW;
Wun-Jie Lin, Hsinchu, TW;
Yu-Ti Su, Tainan, TW;
Bo-Ting Chen, Fengyuan, TW;
Jen-Chou Tseng, Jhudong Township, TW;
Kuo-Ji Chen, Taipei County, TW;
Sun-Jay Chang, Hsinchu, TW;
Min-Chang Liang, Zhu-Dong Town, TW;
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., Hsinchu, TW;
Abstract
A circuit device includes core circuitry. The circuit device further includes a guard ring surrounding the core circuitry. The guard ring includes a first plurality of fin structures arranged in a first direction parallel to a first side of the core circuitry, wherein adjacent fin structures of the first plurality of fin structures are separated by a first distance. The guard ring further includes a second plurality of fin structures arranged in a second direction parallel to a second side of the core circuitry, wherein adjacent fin structures of the second plurality of fin structures are separated by a second distance, and the second distance is smaller than the first distance.