Detector device

Details Detector device Detector device

1981-02-02

1983-08-23

Anderson, Bruce C.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250374, G01T 118

Patent

active

044006217

ABSTRACT:
A device for simultaneously detecting alpha and beta particles which comprises a detector element, amplification means coupled to the output of the detector element and measuring means coupled to the output of the amplification means. The alpha and beta particles which impinge on the detector element exhibit different ionization densities, and this results in a voltage being generated at the output of the amplification means which has a rise time and amplitude corresponding to the type of particle impinging on the detector element. The measuring means measures at least the rise time of the voltage at the output of the amplification means, the rise time being different for the alpha and beta particles and providing a means for distinguishing between the two types of particles.

REFERENCES:
patent: 2957084 (1960-10-01), Marr et al.
patent: 4075486 (1978-02-01), Sipila et al.
patent: 4277682 (1981-07-01), Madelaine et al.

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