Beta particle monitor for surfaces

Details Beta particle monitor for surfaces Beta particle monitor for surfaces

1996-02-27

1997-10-21

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250374, 250379, 250384, G01T 1185, H01J 4702

Patent

active

056799586

ABSTRACT:
A beta radiation detector which is capable of reliably detecting beta radiation emitted from a surface. An electrically conductive signal collector is adjustably mounted inside an electrically conductive enclosure which may define a single large opening for placing against a surface. The adjustable mounting of the electrically conductive signal collector can be based on the distance from the surface or on the expected beta energy range. A voltage source is connected to the signal collector through an electrometer or other display means for creating an electric field between the signal collector and the enclosure. Air ions created by the beta radiation are collected and the current produced is indicated on the electrometer or other display means.

REFERENCES:
patent: 5184019 (1993-02-01), MacArthur et al.
patent: 5187370 (1993-02-01), MacArthur et al.
patent: 5194737 (1993-03-01), MacArthur et al.
patent: 5281824 (1994-01-01), MacArthur et al.
patent: 5298754 (1994-03-01), Anderson et al.
patent: 5311025 (1994-05-01), MacArthur et al.
patent: 5539208 (1996-07-01), Overhoff

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