Heated scintillator

Details Heated scintillator Heated scintillator

1986-09-30

1989-03-07

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250369, 25036301, G01T 1164

Patent

active

048108855

ABSTRACT:
A scintillation crystal is heated. A temperature gradient is established across a scintillation crystal inside a scintillation camera system. The decay time of a scintillation flash is related to the temperature of the site at which the corresponding scintillation event takes place. By monitoring the decay time of detected scintillation flashes, as by differentiation, the depth of the scintillation event within the scintillation crystal is determined, thereby leading to improved spatial resolution and improved energy resolution.

REFERENCES:
patent: 3904530 (1975-09-01), Martone et al.
patent: 4303860 (1981-12-01), Bjorkholm et al.
patent: 4398092 (1983-08-01), Carlson
patent: 4455616 (1984-06-01), Inbar
patent: 4489236 (1984-12-01), Octhwaite
patent: 4511799 (1985-04-01), Bjorkholm
Wong et al, "Characteristics of Small Barium Fluoride (BaF.sub.2) Scintillator for High Intrinsic Resolution Time-of-Flight Position Emission Tomography", IEEE Trans. Nucl. Sci., NS-11 (1), Feb. 1984, pp. 381-386.

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