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:
Apr. 17, 2018

Filed:

Jan. 28, 2016
Applicant:

Hamamatsu Photonics K.k., Hamamatsu-shi, Shizuoka, JP;

Inventors:

Takaji Yamashita, Hamamatsu, JP;

Hiroshi Uchida, Hamamatsu, JP;

Assignee:

HAMAMATSU PHOTONICS K.K., Hamamatsu-shi, Shizuoka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01T 1/20 (2006.01); G01T 1/164 (2006.01); G01T 1/29 (2006.01);
U.S. Cl.
CPC ...
G01T 1/2985 (2013.01); G01T 1/1644 (2013.01); G01T 1/20 (2013.01);
Abstract

A radiation detector includes: a first scintillator including a first end surface and a second end surface; a second scintillator including a first end surface and a second end surface; a first photodetector detects light emitted from the first end surface of each of the first and second scintillators; a second photodetector c detects light emitted from the second end surface of each of the first and second scintillators; and a position specifying unit configured to specify each radiation incident position on which each radiation has been incident in each of the first and second scintillators, wherein an area of the first end surface of the first scintillator is smaller than an area of the second end surface of the first scintillator, and an area of the first end surface of the second scintillator is larger than an area of the second end surface of the second scintillator.


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