Method of developing electrostatic image with magnetic brush ear

Details Method of developing electrostatic image with magnetic brush ear Method of developing electrostatic image with magnetic brush ear

1982-03-23

1984-03-13

Martin, Jr., Roland E.

Radiation imagery chemistry: process, composition, or product th

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

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

4301066, 118657, 118658, G03G 914, G03G 1309

Patent

active

044368038

ABSTRACT:
Disclosed is a method of developing an electrostatic image by bringing an electrostatic image-carrying surface of a substrate into sliding contact with a magnetic brush of a developer formed on a developer-feeding sleeve having a magnet arranged in the interior thereof, wherein the magnetic brush is formed from an earing-promoting component comprising particles of a dispersion of a powder of a magnetic material in a resin, which have a relatively large diameter of 70 to 300 microns, and a developer component comprising particles of a dispersion of a powder of a magnetic material in a binder medium, which have a relatively small diameter of 5 to 50 microns.

REFERENCES:
patent: 2846333 (1958-08-01), Wilson
patent: 4030447 (1977-06-01), Takahashi et al.
patent: 4142981 (1979-03-01), Bean et al.
patent: 4165393 (1979-08-01), Suzuki et al.
patent: 4292921 (1981-10-01), Kroll et al.
patent: 4309498 (1982-01-01), Yamashita et al.
patent: 4331757 (1982-05-01), Tayaka et al.

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