Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device
Patent
1994-10-03
1996-02-06
Fields, Carolyn E.
Radiant energy
Invisible radiant energy responsive electric signalling
Including a radiant energy responsive gas discharge device
250374, 2503901, 25039002, G01T 1185, G01T 300
Patent
active
054897815
ABSTRACT:
A dual modality gas ionization detector for differentiating neutron attenuating material from high x-ray attenuating material in an object. The dual modality gas ionization detector uses .sup.3 He and Xe gases pressurized in an ionization chamber to detect neutrons x-rays or gamma rays. The dual modality gas ionization detector is used in an inspection system for detecting, characterizing, or differentiating small amounts of neutron attenuating materials in objects composed primarily of materials of large attenuating x-ray material.
REFERENCES:
patent: 3707632 (1972-12-01), Cooper et al.
patent: 4570071 (1986-02-01), Sippel et al.
Birdwell Thomas W.
Gilmore Robert S.
Mohr Gregory A.
Nightingale Gerald B.
Fields Carolyn E.
General Electric Company
Goldman David C.
Webb II Paul R.
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