High efficiency detector for energetic x-rays

Details High efficiency detector for energetic x-rays High efficiency detector for energetic x-rays

1986-03-14

1988-01-12

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250374, G01T 118

Patent

active

047193549

ABSTRACT:
An x-ray detector for use in computerized tomography employing a liquefied xenon as a high density detecting medium comprises a housing having an x-ray permeable window and containing at least one electrically conductive voltage plate spaced from, and parallel to, at least one collector plate comprising a plurality of conductive elements. The liquid xenon fills the space between the voltage and collector plates.

REFERENCES:
patent: 3898465 (1975-08-01), Zaklad et al.
patent: 4031396 (1977-06-01), Whetten et al.
patent: 4376893 (1983-03-01), Whetten
patent: 4394578 (1983-07-01), Houston et al.
patent: 4500785 (1985-02-01), Whetten et al.
"Recent Developments in High-Resolution Noble Liquid Counters" by University of Cal. Radiation Lab. Report No. UCRL-20118, Sep. 1970.
"Particle Detectors Based on Noble Liquids" by Muller et al., University of Cal. Radiation Lab. Report No. UCRL-20135, Sep. 1970.
"Liquid-Filled Proportional Counter" by Muller et al., Physical Review Letters, vol. 27, No. 8, Aug. 23, 1971.
"Test of a Liquid Argon Chamber with 20 .mu.m RMS Resolution" by Derenzo et al., Nuclear Instruments and Methods No. 122, pp. 319-327, 1974.

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