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:
Jun. 24, 2025
Filed:
Aug. 19, 2022
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Kensuke Yasuda, Kitakami Iwate, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Abstract
A photodetector according to an embodiment includes a plurality of cell regions disposed in an array, and an element isolation region provided between the cell regions, each of the cell regions including: a semiconductor layer having a first face and a second face opposite to the first face; a first semiconductor region of a first conductivity type provided in the semiconductor layer; a second semiconductor region of a second conductivity type provided between the first semiconductor region and the first face; an electrode in contact with the second semiconductor region; and a plurality of metal regions having a part surrounded by the first semiconductor region and another part surrounded by the second semiconductor region.