Closed-chamber high-pressure gas ion-flow electro-radiography ap

Details Closed-chamber high-pressure gas ion-flow electro-radiography ap Closed-chamber high-pressure gas ion-flow electro-radiography ap

1978-12-22

1980-04-29

Church, Craig E.

Radiant energy

Source with charged plate-type detector

G03B 4116

Patent

active

042007909

ABSTRACT:
A method and apparatus for ion-valve radiography, utilizing a high-pressure gaseous material for conversion of differentially-absorbed X-radiation into electrostatic charge images, utilizes a closed chamber and a charge-image-receiving mesh structure movable between an ion source and ion detection means, to provide direct charge readout without requiring opening of the imaging chamber.

REFERENCES:
patent: 4064439 (1977-12-01), Yang
patent: 4103159 (1978-07-01), Orthmann
patent: 4129779 (1978-12-01), Kingsley
patent: 4147948 (1979-04-01), Yang

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