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:
Feb. 18, 2025
Filed:
Jul. 22, 2022
Taiwan Semiconductor Manufacturing Co., Ltd., Hsinchu, TW;
Yi-Hsin Nien, Hsinchu, TW;
Wei-Chang Zhao, Hsinchu, TW;
Chih-Yu Lin, Taichung, TW;
Hidehiro Fujiwara, Hsinchu, TW;
Yen-Huei Chen, Hsinchu County, TW;
Ru-Yu Wang, New Taipei, TW;
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., Hsinchu, TW;
Abstract
A memory device includes a first word line and a second word line. A first portion of the first word line is formed in a first metal layer, a second portion of the first word line is formed in a second metal layer above the first metal layer, and a third portion of the first word line is formed in a third metal layer below the second metal layer. A first portion of the second word line is formed in the first metal layer. A second portion of the second word line is formed in the second metal layer. The first portion, the second portion, and the third portion of the first word line have sizes that are different from each other, and the first portion and the second portion of the second word line have sizes that are different from each other.