Ionization particle detector

Details Ionization particle detector Ionization particle detector

1977-01-27

1979-04-17

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

250381, 313 54, G08B 1710

Patent

active

041503732

ABSTRACT:
An ionization particle detector for indicating the presence of charged particles in a gas includes a single ionization chamber having two defined regions of electrical field intensity. The first region is of small geometric volume and high electric field intensity while the second region is of large geometric volume and low electric field intensity. The radioactive source for generating the ions is located near one electrode while the second electrode forming the walls of the chamber are located such that the walls are incident near the Bragg ionization peak of the detector. A probe is positioned between the two regions for detecting the maximum electric field change when particles enter the chamber.

REFERENCES:
patent: 2537028 (1951-01-01), Cahusec et al.
patent: 3018376 (1962-01-01), Vanderschmidt
patent: 3514603 (1970-05-01), Klein
patent: 3908957 (1975-09-01), Schutt
patent: 3935466 (1976-01-01), Tomioka
patent: 4012729 (1977-03-01), Weaver et al.

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