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:
Aug. 12, 2025
Filed:
Aug. 30, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
Kazuhiro Morimoto, Kanagawa, JP;
Junji Iwata, Tokyo, JP;
Yu Maehashi, Tokyo, JP;
Hiroshi Sekine, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An apparatus includes a plurality, of avalanche diodes disposed in a layer having a first surface and a second surface opposite the first surface, wherein the plurality of avalanche diodes each includes a first region of first conductivity type located at a first depth, a second region of second conductivity type located at a second depth greater than the first depth with respect to the second surface, and a third region of the second conductivity type located at a third depth greater than the second depth with respect to the second surface, wherein the layer includes a plurality of structures disposed in the first surface, and wherein the plurality of structures has an effective period less than hc/E(h: Planck's constant [J·s], c: speed of light [m/s], and E: a band gap of a substrate [J].