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:
Mar. 01, 2022
Filed:
Sep. 30, 2019
Applicant:
Fujitsu Limited, Kawasaki, JP;
Inventors:
Shintaro Sato, Atsugi, JP;
Hironori Nishino, Isehara, JP;
Daiyu Kondo, Atsugi, JP;
Kenjiro Hayashi, Hadano, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01); H01L 31/102 (2006.01); H01L 31/0224 (2006.01); H01L 29/16 (2006.01);
U.S. Cl.
CPC ...
H01L 27/14612 (2013.01); H01L 31/102 (2013.01); H01L 29/1606 (2013.01); H01L 31/0224 (2013.01);
Abstract
A photo detection element includes: a substrate; a light-receiving layer formed over the substrate, the light-receiving layer including graphene layers that are stacked such that lattices of the graphene layers are randomly displaced from each other in plan view; a first electrode that is in contact with the light-receiving layer; and a second electrode that is in contact with the light-receiving layer, a material of the second electrode differing from a material of the first electrode.