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:
Oct. 15, 2024
Filed:
Jan. 15, 2020
Applicant:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Inventor:
Kotaro Takeda, Musashino, JP;
Assignee:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/024 (2014.01); H01L 27/146 (2006.01); H01L 31/028 (2006.01);
U.S. Cl.
CPC ...
H01L 31/024 (2013.01); H01L 27/14643 (2013.01); H01L 31/028 (2013.01);
Abstract
A photodetector having a sufficient ESD withstand voltage is provided. An embodiment of a photodetector includes a plurality of photodiodes including germanium or a germanium compound in a light absorption layer, and a plurality of heaters configured to apply heat to the light absorption layer of each of the plurality of photodiodes, in which the plurality of heaters are connected in series, the plurality of heaters are connected in parallel, or a plurality of sets of the plurality of heaters serially connected are connected in parallel.