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Electrostatic monitoring

United States Patent

December 18, 2001
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
The apparatus and method provide a technique for more simply measuring alpha and/or beta emissions arising from items or locations. The technique uses indirect monitoring of the emissions by detecting ions generated by the emissions, the ions being attracted electrostatically to electrodes for discharge of collection. The apparatus and method employ a chamber which is sealed around the item or location during monitoring with no air being drawn into or expelled from the chamber during the monitoring process. A simplified structure and operations arises as a result, but without impairing the efficiency and accuracy of the detection technique.
Orr; Christopher Henry (Cumbria, GB), Luff; Craig Janson (Cumbria, GB), Dockray; Thomas (Cumbria, GB), Macarthur; Duncan Whittemore (Los Alamos, NM)
British Nuclear Fuels PLC (Cheshire, GB), Regents of the University of California (Oakland, CA)
09/ 307,226
May 7, 1999
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The U.S. Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of CRADA No. LA96C10298 and Contract No. W-7405-ENG-36 awarded by the U.S. Department of Energy.