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:
Dec. 24, 2024
Filed:
Jul. 24, 2020
Applicant:
Vanguard International Semiconductor Corporation, Hsinchu, TW;
Inventors:
Chih-Yen Chen, Tainan, TW;
Franky Juanda Lumbantoruan, Sumatera Utara, ID;
Assignee:
VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/778 (2006.01); H01L 29/06 (2006.01); H01L 29/15 (2006.01); H01L 29/20 (2006.01); H01L 29/205 (2006.01);
U.S. Cl.
CPC ...
H01L 29/7785 (2013.01); H01L 29/0638 (2013.01); H01L 29/155 (2013.01); H01L 29/2003 (2013.01); H01L 29/205 (2013.01);
Abstract
A semiconductor structure and a semiconductor device are provided. The semiconductor includes a substrate, a seed layer on the substrate, a buffer layer on the seed layer, a back barrier layer with a V-group element polarity on the buffer layer, a channel layer on the back barrier layer, and a front barrier layer on the channel layer.