Direct charge readout electron-radiography chamber

Details Direct charge readout electron-radiography chamber Direct charge readout electron-radiography chamber

1975-01-07

1976-07-20

Smith, Alfred E.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250315A, H01J 3150

Patent

active

039708446

ABSTRACT:
A photo-optical imaging system suitable for use in an electronradiography system which produces an electrostatic charge image at an electrode. An electrode having a photoconductor layer and a transparent electrical conducting layer, with the charge image at the photoconductor layer. A light beam and various arrangements for scanning the beam over the photoconductor layer through the transparent layer for selectively transferring charge to the electrically conducting layer through the photoconductor layer as portions of the photoconductor layer are illuminated by the beam, and a data storage unit for receiving and storing data corresponding to the magnitude of charge at the photoconductor layer.

REFERENCES:
patent: 2869024 (1959-01-01), Bruining et al.
patent: 2945973 (1960-07-01), Anderson
patent: 3436550 (1969-04-01), Finkle
patent: 3495084 (1974-02-01), Sheldon
patent: 3622785 (1971-11-01), Irwin et al.
patent: 3668396 (1972-06-01), Asars et al.
patent: 3890506 (1975-06-01), Berninger

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