Miniature ionization chamber

Details Miniature ionization chamber Miniature ionization chamber

1974-07-30

1976-06-01

Dixon, Harold A.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250390, 313 61D, 313 93, G01T 118, G01T 1185

Patent

active

039611965

ABSTRACT:
A miniature ionization chamber having a gas-filled housing which accommodates a guard electrode made in the form of a hollow perforated cylinder. The cylinder is electrically associated with the intermediate coaxial conductor of a triaxial cable used as the lead-in of the ionization chamber. The gas-filled housing of the ionization chamber also accommodates a collecting electrode shaped as a rod electrically connected to the center conductor of the cable and to tubular members. The rod is disposed internally of the guard electrode and is electrically connected, by means of jumpers passing through the holes in the guard electrode, to the tubular members. The tubular members embrace the guard electrode and are spaced a certain distance apart along its entire length. Arranged intermediate of these tubular members are spacers secured to the guard electrode and fixing the collecting electrode throughout its length with respect to the housing of the ionization chamber.

REFERENCES:
patent: 2436084 (1948-02-01), Weller
patent: 2532874 (1950-12-01), Anderson
patent: 3311770 (1967-03-01), Boyd

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