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.

Date of Patent:
Jan. 02, 2024

Filed:

Apr. 03, 2020
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Fumito Nakajima, Tokyo, JP;

Hideaki Matsuzaki, Tokyo, JP;

Yuki Yamada, Tokyo, JP;

Masahiro Nada, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 31/0232 (2014.01); G02B 5/08 (2006.01); H01L 31/0236 (2006.01); H01L 31/0304 (2006.01); H01L 31/105 (2006.01);
U.S. Cl.
CPC ...
H01L 31/02327 (2013.01); G02B 5/08 (2013.01); H01L 31/02325 (2013.01); H01L 31/02366 (2013.01); H01L 31/03046 (2013.01); H01L 31/105 (2013.01);
Abstract

A light-receiving device includes: a plurality of light-receiving elements arranged in a row on a main surface of a substrate and a first reflection surface and a second reflection surface formed on the substrate to extend in the arrangement direction with the row of the plurality of light-receiving elements interposed therebetween. Each of the first reflection surface and the second reflection surface includes an inclined surface forming one flat surface formed from a main surface of the substrate on which each light-receiving element is formed to a back surface side of the substrate.


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