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Neutron detector using sol-gel absorber

United States Patent

5,973,328
October 26, 1999
View the Complete Patent at the US Patent & Trademark Office
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Neutron Detection Using an Embedded Sol-Gel Neutron Absorber
An neutron detector composed of fissionable material having ions of lithium, uranium, thorium, plutonium, or neptunium, contained within a glass film fabricated using a sol-gel method combined with a particle detector is disclosed. When the glass film is bombarded with neutrons, the fissionable material emits fission particles and electrons. Prompt emitting activated elements yielding a high energy electron contained within a sol-gel glass film in combination with a particle detector is also disclosed. The emissions resulting from neutron bombardment can then be detected using standard UV and particle detection methods well known in the art, such as microchannel plates, channeltrons, and silicon avalanche photodiodes.
Hiller; John M. (Oak Ridge, TN), Wallace; Steven A. (Oak Ridge, TN), Dai; Sheng (Knoxville, TN)
Lockheed Martin Energy Research Corporation (Oak Ridge, TN)
08/ 959,883
October 29, 1997
This invention was made with government support under contracts DE-AC05-96OR22464, awarded by the United States Department of Energy to Lockheed Martin Energy Research Corporation and DE-AC05-84OR21400, awarded by the United States Department of Energy to Lockheed Martin Energy Systems, Inc., and the United States Government has certain rights in this invention.