Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – To produce multiple image on medium or plural radiant energy...
Patent
1996-05-29
1998-03-03
Lesmes, George F.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
To produce multiple image on medium or plural radiant energy...
430 45, 430120, G03G 1300
Patent
active
057232407
ABSTRACT:
The process control method for a DAD-CAD image forming method includes forming a DAD electrostatic image of a first polarity and applying toner of the first polarity to form a first toner image and then forming a CAD electrostatic image. To provide ample voltage for formation of the CAD image and to reduce scavenging, the development completion of the first electrostatic image is preferably kept below 0.4, preferably by reducing pole transitions provided by a rotatable magnetic core in toning the first image. The process is further controlled by adjusting an initial charge on the image member which also can be trimmed after formation of the first image by a uniform light exposure and by adjustment of AC biases in both toning steps.
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Eastman Kodak Company
Lesmes George F.
Rushefsky Norman
Weiner Laura
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