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:
Jul. 19, 2022
Filed:
Aug. 07, 2018
Sony Semiconductor Solutions Corporation, Kanagawa, JP;
Naoyuki Sato, Kanagawa, JP;
Sony Semiconductor Solutions Corporation, Kanagawa, JP;
Abstract
A solid-state imaging element includes an insulating film layer, a first light blocking film, and a wiring layer that are stacked on a second face of a semiconductor substrate, on a side opposite to a first face on which light is incident. The first light blocking film covers at least a formation region of a charge retention section and has a protrusion section protruding on a side of the semiconductor substrate in a part corresponding to a formation position of the second light blocking film. The second light blocking film has a first light blocking section between a photoelectric conversion section and the charge retention section that extends partway through the semiconductor substrate, a second light blocking section between a photoelectric conversion section and the charge retention section, and a third light blocking section covering a part of the first face.