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. 14, 2015

Filed:

Oct. 07, 2013
Applicants:

Kejun Kang, Beijing, CN;

Yigang Yang, Beijing, CN;

Qitian Miao, Beijing, CN;

Zhiqiang Chen, Beijing, CN;

Yuanjing LI, Beijing, CN;

Shangmin Sun, Beijing, CN;

Hua Peng, Beijing, CN;

Guang Yang, Beijing, CN;

Bufu Liu, Beijing, CN;

Inventors:

Kejun Kang, Beijing, CN;

Yigang Yang, Beijing, CN;

Qitian Miao, Beijing, CN;

Zhiqiang Chen, Beijing, CN;

Yuanjing Li, Beijing, CN;

Shangmin Sun, Beijing, CN;

Hua Peng, Beijing, CN;

Guang Yang, Beijing, CN;

Bufu Liu, Beijing, CN;

Assignees:

Nuctech Company Limited, Beijing, CN;

Tsinghua University, Buijing, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01T 1/28 (2006.01); G01T 1/00 (2006.01); G01V 5/00 (2006.01); G01T 3/00 (2006.01);
U.S. Cl.
CPC ...
G01T 1/00 (2013.01); G01T 3/00 (2013.01); G01V 5/0091 (2013.01);
Abstract

A method and system for detecting special nuclear materials are disclosed. Said method and system detect the special nuclear materials by making use of the photofission characteristic and thermal neutron induced fission characteristic thereof. In one preferred embodiment, the high density and/or high atomic number region in the object to be detected is also detected first as a suspicious region.


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