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Handheld isotope identification system

United States Patent

January 9, 2007
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
A portable radiation detector using a high-purity germanium crystal as the sensing device. The crystal is fabricated such that it exhibits a length to width ratio greater than 1:1 and is oriented within the detector to receive radiation along the width of said crystal. The crystal is located within a container pressurized with ultra-pure nitrogen, and the container is located within a cryostat under vacuum.
Frankle; Christen M. (Los Alamos, NM), Becker; John A. (Alameda, CA), Cork; Christopher P. (Pleasant Hill, CA), Madden; Norman W. (Livermore, CA)
Los Alamos National Security, LLC (Los Alamos, NM)
11/ 052,176
February 7, 2005
STATEMENT REGARDING FEDERAL RIGHTS This invention was made with government support under Contract No. W-7405-ENG-36 awarded by the U.S. Department of Energy. The government has certain rights in the invention.