X-Ray electro-photographic recording material and method for gen

Details X-Ray electro-photographic recording material and method for gen X-Ray electro-photographic recording material and method for gen

1983-05-12

1984-11-13

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

430967, 378 32, G03D 4116, G03G 500

Patent

active

044826192

ABSTRACT:
An x-ray electro-photographic recording material is formed of a photo-conductive layer (1) comprised of a selenium-arsenic alloy and positioned on a transparent electrode layer (4), which is positioned on a further layer (3) comprised of an x-ray luminophore and positioned on a reflective surface (2a) of a film carrier layer (2). In usage, with a positive corona charge on the free photo-conductive layer surface (1a) before x-ray exposure, the luminophore-containing layer (3), during x-ray exposure, converts a component (5) of the x-ray radiation (.gamma.) not absorbed by the photo-conductive layer (1) into visible luminescent light (6) which effects an increase of sensitivity in the photo-conductive layer (1). This recording material can be used in x-ray photograph devices.

REFERENCES:
patent: 3003869 (1961-10-01), Schattert
patent: 4129779 (1978-12-01), Kingsley
patent: 4324622 (1982-04-01), Deb
R. M. Schaffert, Electrophotography, pp. 196-198, The Focal Press, London and New York.
Dr. Von H. Degenhardt, Electromedicia, vol. 3, (1981), pp. 154-158.
M. D. Tabak et al., "Preparation and Transport Properties of Vacuum Evaporated Selenium Films", The Journal of Vacuum Science and Technology, vol. 9, No. 1, (1972), pp. 387-390.

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