X-ray or gamma ray systems or devices – Electronic circuit – Exposure timer
Patent
1980-08-06
1982-12-21
Smith, Alfred E.
X-ray or gamma ray systems or devices
Electronic circuit
Exposure timer
250385, H05G 160, A61B 600, H01J 3928
Patent
active
043651615
ABSTRACT:
The invention relates to a flat plate X-ray detector. In one example a back plate of a flat xenon detector has coaxial cables in a conducting solid matrix connected to the power supply. Each cable center conductor is a small capacitor which charges in response to ion collection. The signals are derived via a commutator.
In another embodiment the back plate is an anisotropic plate discharged in a spiral pattern similar to a gramophone record groove.
REFERENCES:
patent: 3101407 (1963-08-01), Shipman
patent: 3418474 (1968-12-01), Spergel et al.
patent: 4253025 (1981-02-01), Fergus
Dalton Brian L.
Froggatt Robert J.
E M I Limited
Grigsby T. N.
Smith Alfred E.
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