Corona discharge apparatus and method for corona discharge treat

Details Corona discharge apparatus and method for corona discharge treat Corona discharge apparatus and method for corona discharge treat

1985-06-12

1987-03-10

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430532, 430937, 427 40, 250326, G03C 176

Patent

active

046490973

ABSTRACT:
Disclosed is a corona discharge apparatus capable of producing a uniform corona electrical charging which has a discharge electrode and a grounded roller wherein a metal roller clad with an insulating layer of or containing a high-permittivity substance is used as the grounded roller or the discharge electrode in roller form. Excellent durability and physical strength of the roller keeping the advantage of producing uniformly distributed corona charge can be obtained by overlaying said insulating layer with a layer of insulators other than the high-permittivity substance used in the former layer. Further disclosed is a method for corona treatment using said apparatus.

REFERENCES:
patent: 3607345 (1971-09-01), Thomas et al.
patent: 4227234 (1980-10-01), Seanor et al.
patent: 4281247 (1981-07-01), Schuster
patent: 4298440 (1981-11-01), Hood
von der Heide et al, "Guide to Corona Film Treatment", Modern Plastics, May 1961, pp. 199-206, 344.

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