Radiant energy – Invisible radiation responsive nonelectric signalling
Patent
1978-05-16
1982-05-18
Smith, Alfred E.
Radiant energy
Invisible radiation responsive nonelectric signalling
250390, G01T 500, G01T 300
Patent
active
043307108
ABSTRACT:
An apparatus for the dosimetry of fast neutrons comprises one or more personal detectors in the form of test tubes made of transparent insulating material and a tank with a holder for suspending said test tubes in an upright position within the tank all at the same level. After exposure of said test tubes to radiation of fast neutrons, they are placed in the tank and filled with an electrolyte into which an electrode is immersed. The tank also is filled with the same liquid up to the same level as the test tubes and an electrode is immersed also into the liquid within the tank. The electrodes within the test tubes are collectively connected to one terminal of a high voltage alternating or pulsating function generator of which the other terminal connects with the electrode within the tank. The tracks of damage by said neutrons are thus developed to the required extent and subsequently inspected for evaluating the amount of the traces of damage.
Different forms of the test tubes are disclosed.
REFERENCES:
patent: 2938121 (1960-05-01), Fitzgerald et al.
patent: 3461288 (1969-08-01), Oster
patent: 3735135 (1973-05-01), Bredoux et al.
Tommasino Luigi
Zapparoli Giorgio
Comitato Nazionale per l'Energia Nucleare--CNEN
Howell Janice A.
Smith Alfred E.
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