Photosensitive grid useful for screen type electrographic appara

Details Photosensitive grid useful for screen type electrographic appara Photosensitive grid useful for screen type electrographic appara

1975-12-04

1978-04-11

Welsh, John D.

Gas separation: apparatus

Magnetic separating means

96 1R, 355 3SC, G03G 504, G03G 514

Patent

active

040837203

ABSTRACT:
A photosensitive grid useful for screen type electrographic apparatuses and the method of manufacturing the photosensitive grid are disclosed. The photosensitive grid comprises a grid shaped electrically conductive core, first and second photoconductive layers formed on opposed side surfaces of the core, respectively, and an electrically conductive layer formed on either one of the first and second photoconductive layers. The method comprises the successive steps of formation of the above mentioned layers on the grid shaped core by vapor deposition in a vacuum.

REFERENCES:
patent: 3526500 (1970-09-01), Opdycke et al.
patent: 3582206 (1971-06-01), Burdige
patent: 3797926 (1974-03-01), Fotland
patent: 3850628 (1974-11-01), Pressman
patent: 3881921 (1975-05-01), Frank
patent: 3942980 (1976-03-01), Hou

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