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:
Aug. 30, 2016

Filed:

Feb. 25, 2015
Applicant:

Sumitomo Electric Industries, Ltd., Osaka-shi, Osaka, JP;

Inventor:

Yasuhiro Iguchi, Yokohama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01); H01L 31/0304 (2006.01); H01L 31/0352 (2006.01);
U.S. Cl.
CPC ...
H01L 27/14643 (2013.01); H01L 27/1464 (2013.01); H01L 27/14629 (2013.01); H01L 31/03042 (2013.01); H01L 31/03046 (2013.01); H01L 31/035236 (2013.01);
Abstract

An array-type light-receiving device includes a substrate including a main surface, a rear surface, and a plurality of recesses formed in the rear surface, the rear surface including an incident plane on which incident light is received; a stacked semiconductor layer disposed on the main surface of the substrate, the stacked semiconductor layer including a light-receiving layer; and a plurality of pixel regions each of which includes the light-receiving layer. The plurality of recesses are each depressed from the rear surface in a thickness direction of the substrate. In addition, each of the plurality of recesses has a bottom surface and a side surface, the bottom surface facing at least one of the plurality of pixel regions, the side surface including a tapered region inclined at a predetermined inclination angle with respect to an in-plane direction of the main surface.


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