Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1997-12-31
1999-09-14
Westin, Edward P.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
25036309, G01T 1208
Patent
active
059526629
ABSTRACT:
An apparatus for use with a gamma camera to increase count rate without causing dead time or pile up, the apparatus including a first processor optimized for simplicity and minimum dead time but with moderate to poor spatial resolution for generally determining the impact point of a photon on a scintillation crystal and a second digital processor which uses the general position information from the first processor to identify a subset of PMT intensity signals for further processing to identify the precise impact point location.
REFERENCES:
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patent: 5508524 (1996-04-01), Goldberg et al.
The Effect of Pixel Geometry On Spatial and Spectral Resolution in a CdZnTe Imaging Array, Eskin, et al., 1995 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, vol. 1, pp. 544-548, Oct. 21-18, 1995
Performance of CdZnTe Coplanar-Grid Gamma-Ray Detectors, IEEE Transactions on Nuclear Science, vol. 43, No. 3, pp. 1481-1486, Jun. 1996, Luke, et al.
Cabou Christian G.
General Electric Company
Hanig Richard
Jaskolski Michael A.
Price Phyllis Y.
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