Radiation detecting arrangement for counting an ionizing radiati

Details Radiation detecting arrangement for counting an ionizing radiati Radiation detecting arrangement for counting an ionizing radiati

1982-11-30

1985-02-26

Moore, David K.

Electric lamp and discharge devices

Geiger-mueller type

313112, 250374, H01J 4708, H01J 516, G01T 118

Patent

active

045019894

ABSTRACT:
A radiation detecting arrangement for measuring or counting an ionizing radiation contains a compensating filter arrangement which safequards a measurement of the radiation dose which is either independent of the energy, or independent of both the energy and the direction thereof. The compensating filter arrangement contains a supporting tube made from a slightly absorbing metal having an ordinal number not higher than about 35, which surrounds a tubular radiation detector and which, on its surface, carries several ring-shaped filter parts. These filter parts are made from one or more metal sleeves of a heavy metal or of a heavy metal alloy slipped onto the supporting tube and soldered or cemented thereto. These filter parts, as regards position and shape, are manufactured by a metal-removing process with only the supporting tube being clamped by the metal-removing machine. In this way it is possible for the relatively soft-metallic filter parts to be worked on by a metal-removing machine without them having to be subjected to the chucking forces in the metal-cutting machine.

REFERENCES:
patent: 2630732 (1953-03-01), Piazze
patent: 3826521 (1974-07-01), Wilhelmsen

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