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Low power photomultiplier tube circuit and method therefor

United States Patent

April 18, 2006
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
An electrical circuit for a photomultiplier tube (PMT) is disclosed that reduces power consumption to a point where the PMT may be powered for extended periods with a battery. More specifically, the invention concerns a PMT circuit comprising a low leakage switch and a high voltage capacitor positioned between a resistive divider and each of the PMT dynodes, and a low power control scheme for recharging the capacitors.
Bochenski; Edwin B. (Tracy, CA), Skinner; Jack L. (Brentwood, CA), Dentinger; Paul M. (Sunol, CA), Lindblom; Scott C. (Tracy, CA)
Sandia National Laboratories (Livermore, CA)
10/ 910,853
August 3, 2004
STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under government contract DE-AC04-94AL85000 awarded by the U.S. Department of Energy to Sandia Corporation. The Government has certain rights in the invention, including a paid-up license and the right, in limited circumstances, to require the owner of any patent issuing in this invention to license others on reasonable terms.