Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1997-03-17
1998-12-15
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430137, 399270, G03G 9113
Patent
active
058494480
ABSTRACT:
The present invention provides a carrier for developer of an electrostatic latent image and related technologies. The carrier is excellent in the ability to impart charge suitably and stably to toner and has a structure durable enough to maintain the ability for a long period of time such that the structure can prevent the toner from being adhered onto the carrier surface for a long period of time.
The carrier comprises a core covered with a resin coating layer containing resin particles and an electroconductive fine powder in the form of a dispersion in a matrix resin.
The carrier can be produced by a method comprising the steps of preparing a coating solution by placing materials in a solvent which can dissolve the matrix resin, but cannot dissolve the resin particles, dispersing the particles of the resin, applying the solution to a core and removing the solvent. A high-quality image can be formed by use of the developer comprising the carrier and the toner.
REFERENCES:
patent: 4849317 (1989-07-01), Sawatari et al.
patent: 5346791 (1994-09-01), Ozawa et al.
patent: 5516619 (1996-05-01), Cunningham et al.
patent: 5700615 (1997-12-01), Silence et al.
Inoue Satoshi
Mizutani Noriyuki
Ohishi Kaori
Takagi Shinpei
Takahashi Sakon
Fuji 'Xerox Co., Ltd.
Goodrow John
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