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Neutron detector

United States Patent

April 5, 2011
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A neutron detector has a volume of neutron moderating material and a plurality of individual neutron sensing elements dispersed at selected locations throughout the moderator, and particularly arranged so that some of the detecting elements are closer to the surface of the moderator assembly and others are more deeply embedded. The arrangement captures some thermalized neutrons that might otherwise be scattered away from a single, centrally located detector element. Different geometrical arrangements may be used while preserving its fundamental characteristics. Different types of neutron sensing elements may be used, which may operate on any of a number of physical principles to perform the function of sensing a neutron, either by a capture or a scattering reaction, and converting that reaction to a detectable signal. High detection efficiency, an ability to acquire spectral information, and directional sensitivity may be obtained.
Stephan; Andrew C. (Knoxville, TN), Jardret; Vincent D. (Powell, TN)
Material Innovations, Inc. (Knoxville, TN)
12/ 586,948
September 30, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH The United States Government has rights in this invention pursuant to contract No. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC. and Agreement No. HSHQPA-05-9-00047 awarded by the U. S. Department of Homeland Security to Material Innovations, Inc.