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. 21, 2025
Filed:
Feb. 19, 2021
Applicant:
United Microelectronics Corp., Hsin-Chu, TW;
Inventors:
Yen-Hsing Chen, Taipei, TW;
Yu-Ming Hsu, Changhua County, TW;
Tsung-Mu Yang, Tainan, TW;
Yu-Ren Wang, Tainan, TW;
Assignee:
UNITED MICROELECTRONICS CORP., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/00 (2006.01); H01L 29/20 (2006.01);
U.S. Cl.
CPC ...
H01L 23/562 (2013.01); H01L 29/2003 (2013.01);
Abstract
A semiconductor structure includes a substrate including a device region, a peripheral region surrounding the device region, and a transition region disposed between the device region and the peripheral region. An epitaxial layer is disposed on the device region, the peripheral region, and the transition region. A first portion of the epitaxial layer on the peripheral region has a poly-crystal structure.