Method and apparatus for electrostatically charging a dielectric

Details Method and apparatus for electrostatically charging a dielectric Method and apparatus for electrostatically charging a dielectric

1979-11-08

1982-10-12

Martin, Jr., Roland E.

Radiation imagery chemistry: process, composition, or product th

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

430296, 430902, 3461531, 346159, 250325, 250326, 355 36H, 361225, 361229, 361230, 427 141, G03G 1302, G03G 1322

Patent

active

043539700

ABSTRACT:
A method and an apparatus for charging a dielectric layer electrostatically to a predetermined potential. An AC electrode is arranged at a distance from the dielectric layer and connected to one output of an AC voltage generator. The AC voltage generator has the other output connected to an output of a DC voltage generator. Between the AC electrode and the dielectric layer there is a DC electrode which is connected to the other output of the AC voltage generator. The dielectric layer rests on a counter-electrode which is connected to the other output of the DC voltage generator and is at ground potential. Each of the electrodes can comprise one or a plurality of mutually insulated single electrodes.

REFERENCES:
patent: 3413146 (1968-11-01), Anderson et al.
patent: 3543022 (1970-11-01), Lennon
patent: 3594162 (1971-07-01), Simm et al.
patent: 3708661 (1973-01-01), Hansen et al.
patent: 4086650 (1978-04-01), Davis et al.
patent: 4096543 (1978-06-01), Kozuka et al.
patent: 4168973 (1979-09-01), Simm et al.
Kankeinen, "Corona Charger", Res. Discl., Feb. 1974, pp. 28-29.
Cecil, "Removal of Electrostatic Images by Coronas", IBM Tech. Discl. Bull., vol. 12, No. 12, May 1970, p. 2116.

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