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:
Feb. 02, 2021
Filed:
May. 17, 2019
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Shuichi Hatakeyama, Tokyo, JP;
Takahiro Tadokoro, Tokyo, JP;
Yuichiro Ueno, Tokyo, JP;
Yasushi Nagumo, Tokyo, JP;
Katsunori Ueno, Tokyo, JP;
Kouichi Okada, Tokyo, JP;
Assignee:
HITACHI, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01T 1/20 (2006.01);
U.S. Cl.
CPC ...
G01T 1/2006 (2013.01);
Abstract
A radiation monitor according to the present invention includes: a radiation sensing unit which includes phosphors emitting a photon with respect to an incident radiation; and a photon sending unit which sends the photon emitted from the phosphors of the radiation sensing unit, wherein the phosphors form a multilayer structure including a first phosphor and a second phosphor, and a photon absorbing layer absorbing a photon emitted from a phosphor is provided between the first phosphor and the second phosphor.