Xeroprinting method, master and method of making

Details Xeroprinting method, master and method of making Xeroprinting method, master and method of making

1990-07-16

1993-11-09

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

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

To produce printing surface

430 54, 430126, G03G 1300

Patent

active

052601552

ABSTRACT:
A xeroprinting master includes a fixed insulative toner image on an electrophotographic element of the type exhibiting charge injection at an interface between a charge injection electrode and a charge transport layer. In xeroprinting use the master is charged to a polarity opposite that which is injectable. The charge is neutralized by charges injected from the electrode which migrate to the charged surface. Charge retained on the fixed toner image can be toned. The master can be made by positively charging it to a polarity the same as that which is injectable, imagewise exposing it and toning and fixing.

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Schaffert, Electrophotography, p. 209, 2nd Edition (1975).

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