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:
Jul. 29, 2025
Filed:
Jun. 07, 2024
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Kuo-Cheng Chiang, Hsinchu County, TW;
Shi Ning Ju, Hsinchu, TW;
Guan-Lin Chen, Hsinchu County, TW;
Jung-Chien Cheng, Tainan, TW;
Chih-Hao Wang, Hsinchu County, TW;
Kuan-Lun Cheng, Hsin-Chu, TW;
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., Hsinchu, TW;
Abstract
A semiconductor structure includes a first stack of active channel layers and a second stack of active channel layers disposed over a semiconductor substrate, where the second stacking include a dummy channel layer and the first stack is free of any dummy channel layer, a gate structure engaged with the first stack and the second stack, and first S/D features disposed adjacent to the first stack and second S/D features disposed adjacent to the second stack, where the second S/D features overlap with the dummy channel layer.