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:
Jul. 19, 2016

Filed:

Mar. 04, 2013
Applicant:

Raycan Technology Co., Ltd, Suzhou, CN;

Inventors:

Qingguo Xie, Suzhou, CN;

Daoming Xi, Suzhou, CN;

Jun Zhu, Suzhou, CN;

Luyao Wang, Suzhou, CN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01T 1/20 (2006.01); G01T 1/202 (2006.01); G01T 1/29 (2006.01); A61B 6/00 (2006.01); G01T 1/164 (2006.01); G01T 3/06 (2006.01);
U.S. Cl.
CPC ...
G01T 1/202 (2013.01); A61B 6/4258 (2013.01); G01T 1/1642 (2013.01); G01T 1/1644 (2013.01); G01T 1/2002 (2013.01); G01T 1/2985 (2013.01); G01T 1/20 (2013.01); G01T 3/06 (2013.01);
Abstract

A multilayer scintillation crystal () comprises n layers of array scintillation crystals and m layers of continuous scintillation crystals which have uncut inner parts, both n and m being integers greater than or equal to 1 and a sum of n and m being smaller than or equal to 10. The array scintillation crystals are formed by strip-type scintillation crystals arranged along the width and length directions, the array scintillation crystals and the continuous scintillation crystals are sequentially coupled along the height direction of the strip-type scintillation crystals to form the multilayer scintillation crystal (), and the continuous scintillation crystals are located at the bottom of the multilayer scintillation crystal (). The adding of the continuous scintillation crystals between the array scintillation crystals and a photoelectric detector system () facilitates photon diffusion of a scintillating light, and through optimization design of the thickness of the continuous scintillation crystals, the distribution of the scintillating light received by the photoelectric detector carries more abundant energy deposition information. More accurate energy deposition information of γ photons in the scintillation crystal can be obtained through full utilization of the abundant energy deposition information by using a corresponding information extraction algorithm.


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