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. 27, 2018
Filed:
Apr. 15, 2016
Applicant:
United Microelectronics Corp., Hsin-Chu, TW;
Inventors:
Tzung-Han Tan, Taipei, TW;
Chang-Sheng Hsu, Hsinchu, TW;
Meng-Jia Lin, Changhua County, TW;
Te-Huang Chiu, Hsinchu, TW;
Assignee:
UNITED MICROELECTRONICS CORP., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 31/024 (2014.01); H01L 31/0232 (2014.01); H01L 31/0352 (2006.01); H01L 31/105 (2006.01); H01L 31/18 (2006.01); H01L 31/107 (2006.01);
U.S. Cl.
CPC ...
H01L 31/024 (2013.01); H01L 31/02327 (2013.01); H01L 31/035281 (2013.01); H01L 31/105 (2013.01); H01L 31/107 (2013.01); H01L 31/18 (2013.01);
Abstract
An avalanche photodetector device includes a substrate having a front side and a back side, an avalanche photo detector structure disposed on the front side of the substrate, a plurality of heat sinks disposed on the back side of the substrate, and a plurality of reflecting islands disposed on the back side of the substrate.