Electrophotography method utilizing a photoconductive screen

Details Electrophotography method utilizing a photoconductive screen Electrophotography method utilizing a photoconductive screen

1977-08-17

1979-03-13

Gellner, Michael L.

Photocopying

Projection printing and copying cameras

Multicolor picture

G03G 1518

Patent

active

041439651

ABSTRACT:
In an electrophotographic method wherein a photosensitive screen having a multitude of tiny openings and formed by the use of a photoconductive member is used to form a primary electrostatic latent image thereon and a corona ion flow from a corona discharger is modulated by the primary electrostatic latent image to form a secondary electrostatic latent image on an electrically chargeable member, an acceleration field having a voltage Ve applied between the screen and the chargeable member is set to a range which satisfies the relation that (Ve-Vs)/d>500[V/mm], where d is the distance between the screen and the chargeable member, and Vs is the maximum potential of the secondary electrostatic latent image formed on the chargeable member.

REFERENCES:
patent: 3483372 (1969-12-01), Benson
patent: 3611414 (1971-10-01), Frank
patent: 3773417 (1973-11-01), Pressman et al.
patent: 3880513 (1975-04-01), Fottand
patent: 3898085 (1975-08-01), Suzuki et al.

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