Radiant energy – Invisible radiant energy responsive electric signalling
Patent
1980-04-04
1981-03-31
Smith, Alfred E.
Radiant energy
Invisible radiant energy responsive electric signalling
250370, G01J 100, G01T 122
Patent
active
042595754
ABSTRACT:
An improved directional gamma radiation detector has a collector sandwiched etween two layers of insulation of varying thicknesses. The collector and insulation layers are contained within an evacuated casing, or emitter, which releases electrons upon exposure to gamma radiation. Delayed electrons and electrons entering the collector at oblique angles are attenuated as they pass through the insulation layers on route to the collector.
REFERENCES:
patent: 3400289 (1968-09-01), Anderson
patent: 3603793 (1971-09-01), Warren
patent: 3940627 (1976-02-01), Klar
patent: 4091288 (1978-05-01), LeVert et al.
patent: 4136282 (1979-01-01), Cox et al.
Cox Samson A.
LeVert Francis E.
Besha Richard G.
Gottlieb Paul A.
Howell Janice A.
Mansfield Bruce R.
Smith Alfred E.
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