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Special nuclear material simulation device

United States Patent

August 12, 2014
View the Complete Patent at the US Patent & Trademark Office
Y-12 National Security Complex - Visit the Technology Transfer Website
An apparatus for simulating special nuclear material is provided. The apparatus typically contains a small quantity of special nuclear material (SNM) in a configuration that simulates a much larger quantity of SNM. Generally the apparatus includes a spherical shell that is formed from an alloy containing a small quantity of highly enriched uranium. Also typically provided is a core of depleted uranium. A spacer, typically aluminum, may be used to separate the depleted uranium from the shell of uranium alloy. A cladding, typically made of titanium, is provided to seal the source. Methods are provided to simulate SNM for testing radiation monitoring portals. Typically the methods use at least one primary SNM spectral line and exclude at least one secondary SNM spectral line.
Leckey; John H. (Knoxville, TN), DeMint; Amy (Kingston, TN), Gooch; Jack (Seymour, TN), Hawk; Todd (Knoxville, TN), Pickett; Chris A. (Clinton, TN), Blessinger; Chris (Knoxville, TN), York; Robbie L. (Kingston, TN)
Babcock & Wilcox Technical Services Y-12, LLC (Oak Ridge, TN)
12/ 835,123
July 13, 2010
GOVERNMENT RIGHTS The U.S. Government has rights to this invention pursuant to contract number DE-AC05-00OR22800 between the U.S. Department of Energy and Babcock & Wilcox Technical Services Y-12, LLC. This invention was made with government support under Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in the invention.