Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1994-12-14
1996-09-10
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430103, 355251, G03G 1309, G03G 1509
Patent
active
055544797
ABSTRACT:
An image forming method for conveying a magnetic developer 70 held on the surface of a developer conveying member 40 opposed to a image-bearing member 30 to a developing region to develops electrostatic latent images, comprises implementing as the developer conveying member 40 a semiconductive or an insulating cylindrical magnet with a plurality of heteropolar magnet poles arranged alternatively on its surface, the overall magnet being integrally formed, rotating the developer conveying member 40 to convey the magnetic developer 70 to the developing region, and using the magnetic developer 70 conveyed to the developing region to develop electrostatic bearing member latent images formed on the image-bearing member 30.
This constitution allows an inexpensive sleeveless roll magnet to be used to obtain high-quality images.
REFERENCES:
patent: 4292387 (1981-09-01), Kanbe et al.
patent: 4342822 (1982-08-01), Hosono et al.
patent: 4565765 (1986-01-01), Knapp et al.
patent: 5376492 (1994-12-01), Stelter et al.
Asanae Masumi
Ochiai Masahisa
Hitachi Metals Ltd.
Schilling Richard L.
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