Magnetic carrier for electrostatic latent image development

Details Magnetic carrier for electrostatic latent image development Magnetic carrier for electrostatic latent image development

1984-12-31

1986-07-15

Martin, Roland E.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

430108, G03G 914

Patent

active

046006753

ABSTRACT:
A magnetic carrier is disclosed which is for use in electrographic developing method which effects development of an electrostatic latent image with a magnetic developer at a developing region by rotating a developing sleeve incorporating a magnet therein thereby causing the aforementioned magnetic developer composed of an insulating toner and a magnetic carrier to be transported to the aforementioned developing region.
This magnetic carrier is composed preponderantly of fine magnetic powder and binder resin and is possessed of specific properties, i.e. 2000 to 3000 gasses of magentization in a magnetic field of 1000 oersteds, 60 to 250 oersteds of coercive force, and not less than 10.sup.12 .OMEGA..cm of electric resistance.

REFERENCES:
patent: 3558492 (1971-01-01), Proskow
patent: 4284702 (1981-08-01), Tabuchi et al.
JII Journal of Technical Disclosure vol. 8-44 No. 83-11780 published Oct. 20, 1983, in Japan, (with translation) (Eiji IWASA "Magnetic Developer for Electrostatic Latent Image Development").

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