Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1994-11-28
1996-07-09
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430120, G03G 1308
Patent
active
055343775
ABSTRACT:
A contact-type nonmagnetic one-component developing method using a developing apparatus having at least a developer carrying member and a developer layer thickness control member provided so as to be adjacent to, or to be in contact under pressure with, said developer carrying member, which method comprises feeding a developer to said developer carrying member, forming a thin layer of the developer on a surface of the developer carrying member with the developer layer thickness control member with negatively charging the developer under friction, bringing the thin layer of the developer into contact with a photoconductive material holding an electrostatic latent image to develop the electrostatic latent image, and transferring the resultant developed image to an image receptor, said developer being a nonmagnetic one-component developer prepared by attaching fine particles of an additive to be positively charged to particles of a toner which is comprised mainly of a binder resin and a colorant and which is to be negatively charged, said developer being designed to be negatively charged under the friction in a hopper, the amount of fine particles of the additive being 0.05 to 3 parts by weight per 100 parts by weight of the toner.
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Nakamura Kimihiko
Okuno Ryozo
Takano Masao
Goodrow John
Tomoegawa Paper Co. Ltd.
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