Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1979-12-03
1981-08-18
Smith, Alfred E.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
250368, G01T 120
Patent
active
042848911
ABSTRACT:
The peripheral part of the optical block of a gamma camera, which is formed by the scintillation crystal and the optical conductor, is provided with a diffusive light reflector, the reflection and optical diffusion properties of which are combined in relation to the wavelength of the scintillation light so that signal/distance curves for each of the photomultipliers used are substantially coincident within the useful field of the camera. This improvement results in a suitable compromise between on the one hand linearity and spatial uniformity and on the other hand spatial and energetic resolution of the gamma camera.
REFERENCES:
patent: 2695964 (1954-11-01), Schepker
patent: 3073954 (1963-01-01), Carlson et al.
patent: 3723735 (1973-03-01), Spelha et al.
patent: 3814938 (1974-06-01), Martone et al.
patent: 4090081 (1978-05-01), Takami et al.
Jatteau Michel
Pergrale Jean
Briody Thomas A.
Haken Jack E.
Howell Janice A.
Mayer Robert T.
Smith Alfred E.
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