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. 10, 2023
Filed:
Nov. 13, 2020
Applicant:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Inventors:
Chih-Chiang Chang, Hsinchu, TW;
Chia-Chan Chen, Hsinchu County, TW;
Assignee:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/101 (2006.01); H01L 31/0232 (2014.01); H01L 31/18 (2006.01); H01L 31/103 (2006.01); H01L 31/0352 (2006.01);
U.S. Cl.
CPC ...
H01L 31/02327 (2013.01); H01L 31/035281 (2013.01); H01L 31/103 (2013.01); H01L 31/1804 (2013.01);
Abstract
Disclosed are devices for optical sensing and manufacturing method thereof. In one embodiment, a device for optical sensing includes a substrate, a photodetector and a reflector. The photodetector is disposed in the substrate. The reflector is disposed in the substrate and spaced apart from the photodetector, wherein the reflector has a reflective surface inclined relative to the photodetector that reflects light transmitted thereto to the photodetector.