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:
Feb. 24, 2026
Filed:
Jul. 01, 2022
Applicant:
Taiwan Semiconductor Manufacturing Co., Ltd., Hsinchu, TW;
Inventors:
Assignee:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10F 39/00 (2025.01); H10F 39/12 (2025.01);
U.S. Cl.
CPC ...
H10F 39/807 (2025.01); H10F 39/024 (2025.01); H10F 39/809 (2025.01);
Abstract
The present disclosure describes a semiconductor device having radiation-sensing regions separated by trench isolation structures. The semiconductor structure includes a first trench fill structure on a substrate and a second trench fill structure on the substrate. The first trench fill structure has a first width and a convex bottom surface. The second trench fill structure has a concave bottom surface and a second width greater than the first width.