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. 07, 2025
Filed:
Jun. 07, 2021
Applicant:
Winbond Electronics Corp., Taichung, TW;
Inventors:
Assignee:
WINBOND ELECTRONICS CORP., Taichung, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10B 12/00 (2023.01);
U.S. Cl.
CPC ...
H10B 12/50 (2023.02); H10B 12/053 (2023.02); H10B 12/09 (2023.02); H10B 12/34 (2023.02);
Abstract
A semiconductor structure includes a semiconductor substrate and an isolation structure disposed in the semiconductor substrate. The isolation structure includes a lining layer disposed along a boundary between the semiconductor substrate and the isolation structure, a first oxide fill layer disposed over the lining layer, a dielectric barrier structure surrounding the first oxide fill layer in a closed loop, and a second oxide fill layer disposed over the dielectric barrier structure and adjacent to the lining layer.