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:
Aug. 04, 2020

Filed:

Feb. 22, 2017
Applicants:

Shimadzu Corporation, Kyoto, JP;

Osaka University, Suita-shi, JP;

Inventors:

Takahiro Doki, Kyoto, JP;

Koichi Tanabe, Kyoto, JP;

Toshinori Yoshimuta, Takatsuki, JP;

Kenji Kimura, Kyoto, JP;

Akihiro Nishimura, Kyoto, JP;

Taro Shirai, Kyoto, JP;

Satoshi Sano, Kyoto, JP;

Akira Horiba, Kyoto, JP;

Takayoshi Shimura, Suita, JP;

Heiji Watanabe, Suita, JP;

Takuji Hosoi, Suita, JP;

Assignees:

Shimadzu Corporation, Nishinokyo-Kuwabaracho, Nakagyo-ku, Kyoto-shi, Kyoto, JP;

OSAKA UNIVERSITY, Yamadaoka, Suita-shi, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 23/04 (2018.01); G01N 23/041 (2018.01); A61B 6/00 (2006.01); G21K 1/06 (2006.01); G01N 23/20 (2018.01);
U.S. Cl.
CPC ...
G01N 23/041 (2018.02); A61B 6/4233 (2013.01); A61B 6/4291 (2013.01); A61B 6/484 (2013.01); G01N 23/20075 (2013.01); G21K 1/06 (2013.01); G21K 2201/06 (2013.01);
Abstract

[PROBLEM TO BE SOLVED] To provide a radiation phase contrast imaging device having a small device configuration [SOLVING MEANS] The present invention focused on the findings that the distance between the phase gratingand the FPDdoes not need to be the Talbot distance. The distance between the phase gratingand the FPDcan be more freely set. However, a self-image cannot be detected unless the self-image is sufficiently magnified with respect to the phase grating. The degree on how much the self-image is magnified on the FPDwith respect to the original phase gratingis determined by a magnification ratio X/X. Therefore, in the present invention, the magnification ratio is set to be the same as the magnification ratio in a conventional configuration. With this, even if the distance Xbetween the radiation sourceand the FPDis reduced, a situation in which the self-image cannot be detected by the FPDdue to the excessively small size thereof does not occur.


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