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:
Jun. 08, 2021
Filed:
Jan. 09, 2020
Taiwan Semiconductor Manufacturing Co., Ltd., Hsinchu, TW;
National Taiwan University, Taipei, TW;
Fang-Liang Lu, New Taipei, TW;
Chia-Che Chung, Hsinchu, TW;
Yu-Jiun Peng, Taichung, TW;
Chee-Wee Liu, Taipei, TW;
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., Hsinchu, TW;
NATIONAL TAIWAN UNIVERSITY, Taipei, TW;
Abstract
A semiconductor device includes a substrate, a channel structure and a metal gate structure. The channel structure protrudes above the substrate. The channel structure includes alternately stacked first portions and second portions having widths greater than widths of the first portions, and the first portions and the second portions are made of the same semiconductor material. The metal gate structure wraps around the channel structure.