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. 02, 2021
Filed:
Feb. 21, 2017
Sony Corporation, Tokyo, JP;
Yuji Masui, Miyagi, JP;
Shingo Kaneko, Miyagi, JP;
Sony Corporation, Tokyo, JP;
Abstract
A light receiving element () according to an embodiment of the disclosure includes a semiconductor layer () in which a photodiode having a PIN structure is provided in a mesa portion having a pillar shape. The photodiode includes a first conductive layer (), an optical absorption layer (), and a second conductive layer () having a light incident surface. In the light receiving element (), the semiconductor layer () includes, in the vicinity of an interface between the first conductive layer () and the optical absorption layer (), a constricted portion () that is the most constricted of the first conductive layer (). The interface has an end exposed on an internal surface of the constricted portion ().