Radiation detector using double amplification

Details Radiation detector using double amplification Radiation detector using double amplification

1974-06-20

1976-01-27

Borchelt, Archie R.

Electric lamp and discharge devices

Geiger-mueller type

250213R, 313 97, 313103, 315 12, 340173LT, H01J 3906

Patent

active

039354938

ABSTRACT:
In a radiation detector two photocathodes are provided one on either side of a channel amplifier plate. One of these photocathodes is provided, so as to be electrically floating, on a layer of a dielectric on the opposite surface of which an electrode is provided, the lateral conductivity of this photocathode being low either owing to its subdivision into electrically isolated areas or owing to the choice of material.
The potential distribution in the detector can be reversed from a write-in situation to a read-out situation so that the channel plate can be used twice and the amplification is subdivided, enabling it to be increased to a higher level.

REFERENCES:
patent: 3027478 (1962-03-01), Cassman et al.
patent: 3535574 (1970-10-01), Maeda
patent: 3668389 (1972-05-01), Kegelman
patent: 3769539 (1973-10-01), Catchpole

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