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Three-dimensional, position-sensitive radiation detection

United States Patent

April 6, 2010
View the Complete Patent at the US Patent & Trademark Office
Disclosed herein is a method of determining a characteristic of radiation detected by a radiation detector via a multiple-pixel event having a plurality of radiation interactions. The method includes determining a cathode-to-anode signal ratio for a selected interaction of the plurality of radiation interactions based on electron drift time data for the selected interaction, and determining the radiation characteristic for the multiple-pixel event based on both the cathode-to-anode signal ratio and the electron drift time data. In some embodiments, the method further includes determining a correction factor for the radiation characteristic based on an interaction depth of the plurality of radiation interactions, a lateral distance between the selected interaction and a further interaction of the plurality of radiation interactions, and the lateral positioning of the plurality of radiation interactions.
He; Zhong (Ann Arbor, MI), Zhang; Feng (Ann Arbor, MI)
The Regents of the University of Michigan (Ann Arbor, MI)
12/ 190,385
August 12, 2008
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under Contract No.: DE-FG03-01NN20122 awarded by Department of Energy. The government has certain rights in the invention.