Proportional detector

Details Proportional detector Proportional detector

1980-10-14

1983-05-03

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

G01T 118

Patent

active

043821855

ABSTRACT:
There is provided a proportional detector which is intended for use together with an X-ray tube in fluorescence measuring apparatus. The detector comprises a circular-cylindrical body which is divided into a plurality of identical sectors forming the chamber (3) of said detector and which has a circular-cylindrical recess (1) for accommodating an X-ray tube (2).
The inner surfaces of the chambers (3) comprise a metal or a metal coating (4) and are electrically conductive. Extending axially within the chambers (3) is a thin wire (5) which forms the positive electrode of the detector. The inner surfaces of the chambers form the negative electrode of the detector. The detector is intended to be placed on the sample to be examined.

REFERENCES:
patent: 3013156 (1961-12-01), Hearn
patent: 3230372 (1966-01-01), Spracklen
patent: 3359443 (1967-12-01), Givens

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