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. 24, 2025
Filed:
Jul. 29, 2022
Applicant:
United Microelectronics Corp., Hsin-Chu, TW;
Inventors:
Chih-Tung Yeh, Taoyuan, TW;
Wen-Jung Liao, Hsinchu, TW;
Assignee:
UNITED MICROELECTRONICS CORP., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10D 30/01 (2025.01); H01L 23/31 (2006.01); H10D 30/47 (2025.01); H10D 62/85 (2025.01);
U.S. Cl.
CPC ...
H10D 30/015 (2025.01); H01L 23/3171 (2013.01); H01L 23/3192 (2013.01); H10D 30/47 (2025.01); H10D 62/8503 (2025.01);
Abstract
A high-electron mobility transistor includes a substrate, a buffer layer over the substrate, a barrier layer over the buffer layer, and a gate structure on the barrier layer. The gate structure includes a cap layer and a gate over the cap layer. The cap layer includes a gate-leakage suppressing region on its sidewall.