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Relating to ion detection

United States Patent

December 4, 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 improving detection of alpha and/or beta emitting sources on items or in locations using indirect means. The emission forms generate ions in a medium surrounding the item or location and the medium is then moved to a detecting location where the ions are discharged to give a measure of the emission levels. To increase the level of ions generated and render the system particularly applicable for narrow pipes and other forms of conduits, the medium pressure is increased above atmospheric pressure. STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
Orr; Christopher Henry (Calderbridge, GB), Luff; Craig Janson (Calderbridge, GB), Dockray; Thomas (Calderbridge, GB), Macarthur; Duncan Whittemore (Los Alamos, NM)
British Nuclear Fuels PLC (Cheshire, GB)
09/ 307,365
May 7, 1999
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 Contract No. W-7405-ENG-36 awarded by the U.S. Department of Energy.