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:
Oct. 08, 2024
Filed:
Jan. 13, 2022
Applicant:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Inventors:
Chun-Ying Lee, Hsinchu, TW;
Chia-En Huang, Xinfeng Township, Hsinchu County, TW;
Meng-Sheng Chang, Chu-bei, TW;
Assignee:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/14 (2006.01); G11C 7/18 (2006.01); H01L 25/065 (2023.01); H10B 12/00 (2023.01);
U.S. Cl.
CPC ...
G11C 7/14 (2013.01); G11C 7/18 (2013.01); H01L 25/0655 (2013.01); H10B 12/056 (2023.02); H10B 12/36 (2023.02);
Abstract
A memory array circuit includes a memory array and a set of dummy cells surrounding the memory array. The first memory array includes a first set of memory cells located in an inner area of the memory array and a second set of memory cells located along an edge of the memory array. Each dummy cell includes one or more active regions and multiple gate structures over the one or more active regions.