Radiant energy – Corona irradiation – Charging of objects
Patent
1986-07-02
1988-02-16
Anderson, Bruce C.
Radiant energy
Corona irradiation
Charging of objects
250324, H01T 1904
Patent
active
047257318
ABSTRACT:
A scorotron assembly for charging a photoconductive surface to a uniform potential comprises a pair of pin array coronodes having an array of projections extending towards a surface to be charged, a conductive screen, and a support arrangement supporting the screen between the pin array coronodes and a surface to be charged. To prevent the adsorption and subsequent desorption of corona effluents by conductive members of the scorotron, believed to cause photoreceptor deletion copy imperfections, the scorotron is provided with openings in said support member to allow the flow of air therethrough into the area between the screen, and the support members. The directional flow of ions flowing from the pin array coronodes towards the conductive screen generates a strong, substantially parallel air flow flowing therewith, and exhausting through the screen, aiding in the removal of corona effluents from the area.
REFERENCES:
patent: 3358289 (1967-12-01), Po Lee
patent: 3396308 (1968-08-01), Whitmore
patent: 3619719 (1971-11-01), Waller et al.
patent: 3643128 (1972-02-01), Testone
patent: 3675096 (1972-07-01), Kiess
patent: 4591713 (1986-05-01), Gundlach et al.
Anderson Bruce C.
Costello Mark
Xerox Corporation
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