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:
Jan. 17, 2023
Filed:
Apr. 23, 2020
Seiko Epson Corporation, Tokyo, JP;
Mitsuo Sekisawa, Sakata, JP;
Kazunobu Kuwazawa, Sakata, JP;
Abstract
A solid-state image sensor including: a first impurity region of a first conductivity type; a plurality of second impurity regions of a second conductivity type disposed in the first impurity region and arranged in a first direction; and a light shielding layer that overlaps the first impurity region and does not overlap the second impurity regions in a plan view, wherein the first impurity region has a first portion between adjacent ones of the second impurity regions, the light shielding layer has a second portion that overlaps the first portion in a plan view, and a length of the second portion in the first direction is smaller than a length of the first portion in the first direction.