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:
Feb. 19, 2019

Filed:

Aug. 30, 2017
Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Inventors:

Mitsuyoshi Kobayashi, Ota, JP;

Rei Hasegawa, Yokohama, JP;

Assignee:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01T 1/20 (2006.01); H01L 51/44 (2006.01); H01L 51/00 (2006.01); H01L 27/30 (2006.01); H01L 27/28 (2006.01);
U.S. Cl.
CPC ...
G01T 1/2018 (2013.01); H01L 27/281 (2013.01); H01L 27/305 (2013.01); H01L 51/0097 (2013.01); H01L 51/44 (2013.01);
Abstract

According to an embodiment, a photodetector includes a first photoelectric conversion element, a second photoelectric conversion element, and an absorption layer. The first photoelectric conversion element includes a first photoelectric conversion layer for converting energy of radiation into electric charges. The second photoelectric conversion element includes a second photoelectric conversion layer for converting energy of radiation into electric charges. The absorption layer is arranged between the first photoelectric conversion element and the second photoelectric conversion element to absorb radiation having energy equal to or lower than a threshold value.


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