Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Magnetic imaging
Patent
1984-12-14
1986-09-02
Welsh, John D.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Magnetic imaging
430122, 430108, 430107, G03G 1300, G03G 910
Patent
active
046096035
ABSTRACT:
A process for generating consistent high quality images for extended periods, consisting essentially of (1) providing a xerographic imaging, or printing apparatus; (2) adding thereto a stable two component developer composition comprised of resin particles, first pigment particles, second magnetite pigment particles, which are present in a greater amount than the first pigment particles, and blended flow additive particles; and carrier particles consisting of a ferrite core, or a steel core and a coating thereover selected from the group consisting of terpolymers of styrene, methacrylate, and triethoxysilane; and polymethacrylate, which coating has incorporated therein conductive particles; (3) forming electrostatic latent images, or magnetic images in the apparatus; and (4) developing the images formed, wherein the developer composition retains its electrical properties for over 2.5 million imaging cycles.
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Bolte Steven B.
Floyd, Jr. Lawrence
Gruber Robert J.
Knapp John F.
Palazzo E. O.
Welsh John D.
Xerox Corporation
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