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:
Jan. 20, 2026
Filed:
Nov. 28, 2022
Applicant:
United Microelectronics Corp., Hsin-Chu, TW;
Inventors:
Wang Xiang, Singapore, SG;
Chia Ching Hsu, Singapore, SG;
Shen-De Wang, Hsinchu County, TW;
Yung-Lin Tseng, Changhua County, TW;
Weichang Liu, Singapore, SG;
Assignee:
UNITED MICROELECTRONICS CORP., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10B 43/35 (2023.01); H10B 41/23 (2023.01); H10B 41/35 (2023.01); H10B 43/23 (2023.01);
U.S. Cl.
CPC ...
H10B 43/35 (2023.02); H10B 41/23 (2023.02); H10B 41/35 (2023.02); H10B 43/23 (2023.02);
Abstract
A semiconductor device includes a substrate having a flash memory region and a logic device region, a logic transistor disposed in the logic device region, and a flash memory transistor disposed in the flash memory region. The flash memory transistor includes a metal select gate having two opposite sidewalls and two memory gates disposed on the two opposite sidewalls of the metal select gate.