Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1996-12-18
1997-09-30
Martin, Roland
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430120, G03G 9113, G03G 1322
Patent
active
056724551
ABSTRACT:
A carrier for an electrostatic latent-image developer, comprising a core material having thereon a coating layer comprising a resin and fine electroconductive particles, the resin having a work function of 4.5 eV or lower. An electrostatic latent-image developer comprising the carrier and a toner and an image forming process are also disclosed. The carrier is capable of maintaining a high build-up speed of electrification and a proper electrification level even when a charge control agent is omitted or used in a slight amount or when the addition amount of an additive such as silica and titanium oxide is reduced so as to prevent carrier fouling with a charge control agent or an external additive and to inhibit a decrease in developer life.
REFERENCES:
patent: 4810611 (1989-03-01), Ziolo et al.
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patent: 5093201 (1992-03-01), Ohtani et al.
patent: 5424160 (1995-06-01), Smith et al.
patent: 5496675 (1996-03-01), Van Dusen et al.
patent: 5516618 (1996-05-01), Cunningha et al.
Imai Takashi
Kim Suk
Takahashi Koichi
Yanagida Kazuhiko
Yoshino Susumu
Fuji 'Xerox Co., Ltd.
Martin Roland
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