Constant sensitivity superheated droplet radiation detector/dosi

Details Constant sensitivity superheated droplet radiation detector/dosi Constant sensitivity superheated droplet radiation detector/dosi

1990-05-07

1992-04-14

Hannaher, Constantine

Radiant energy

Invisible radiation responsive nonelectric signalling

2504731, 2504741, G01T 100

Patent

active

051050889

ABSTRACT:
Radiation detectors and dosimeters having superheated droplets of detector liquid as the radiation-sensitive component have been found to have significant variation in sensitivity with changes in operating temperature. In order to provide a more constant sensitivity, a self-regulating pressure control has been developed which will alter the pressure on the droplet-containing medium to compensate for changes in operating temperature. The pressure control is for instance a mechanical system selected from a pressure-multiplying piston or bellows assembly pressurized by a volatile liquid, and a spring-loaded elastic diaphragm assembly. This pressure control is designed to maintain a constant degree of superheat of the detector liquid in activated detectors.

REFERENCES:
patent: 3405266 (1968-10-01), Lode
patent: 4143274 (1979-03-01), Apfel
patent: 4350607 (1982-09-01), Apfel
patent: 4613758 (1986-09-01), Ing et al.
patent: 4779000 (1988-10-01), Ing
V. I. Ivanov, N. N. Semashko, N. S. Smirnova and A. K. Salomatov, "Neutron Dosimetry with the Aid of Detectors Based on a Superheated Liquid," (Atomnaya Energiya), vol. 63, No. 1 (Jul. 1987) pp. 58-60, Translated as Soviet Energy (U.S.A.), (1987) pp. 565-568 [.COPYRGT.1988 Plenum Publishing Corporation].

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