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Skin contamination dosimeter

United States Patent

June 21, 2011
View the Complete Patent at the US Patent & Trademark Office
A technique and device provides absolute skin dosimetry in real time at multiple tissue depths simultaneously. The device uses a phoswich detector which has multiple scintillators embedded at different depths within a non-scintillating material. A digital pulse processor connected to the phoswich detector measures a differential distribution (dN/dH) of count rate N as function of pulse height H for signals from each of the multiple scintillators. A digital processor computes in real time from the differential count-rate distribution for each of multiple scintillators an estimate of an ionizing radiation dose delivered to each of multiple depths of skin tissue corresponding to the multiple scintillators embedded at multiple corresponding depths within the non-scintillating material.
Hamby; David M. (Corvallis, OR), Farsoni; Abdollah T. (Corvallis, OR), Cazalas; Edward (Corvallis, OR)
The State of Oregon Acting by and through the State Board of Higher Education on Behalf of Oregon State University (Corvallis, OR), N/A (
12/ 916,362
October 29, 2010
STATEMENT OF GOVERNMENT SPONSORED SUPPORT This invention was made with Government support under contract DE-FG07-02ID14331 awarded by U.S. Department of Energy. The Government has certain rights in this invention.