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. 19, 2021
Filed:
Aug. 06, 2019
Taiwan Semiconductor Manufacturing Co., Ltd., Hsin-Chu, TW;
Ta-Wei Lin, Minxiong Township, TW;
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Abstract
Various embodiments of the present disclosure are directed towards a semiconductor device. The semiconductor device includes a semiconductor substrate. A gate dielectric is disposed over the semiconductor substrate. A first source/drain region and a second source/drain region are disposed in the semiconductor substrate and on opposite sides of the gate dielectric. A gate electrode is disposed over the gate dielectric. A first dishing prevention structure is embedded in the gate electrode, where a perimeter of the first dishing prevention structure is disposed within a perimeter of the gate electrode.