Carrier for developing electrostatic image, developer and develo

Details Carrier for developing electrostatic image, developer and develo Carrier for developing electrostatic image, developer and develo

1998-09-04

2000-04-18

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

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

430108, G03G 910

Patent

active

060513527

ABSTRACT:
A carrier for developing an electrostatic latent image is disclosed. The carrier comprises a magnetite core and a resin coated on the magnetite core wherein the magnetite core contains FeO and Fe.sub.2 O.sub.3, the mole ratio of FeO/Fe.sub.2 O.sub.3 being 0.15/1.0 to 0.7/1.0, and the carrier contains a magnesium atom containing material at a surface of the carrier, magnesium atom content ratio at the surface being 1.5 to 5.0 (percent in the number of atoms).
A developer for developing an electrostatic latent image using the carrier and a developing method using the carrier or the developer is also disclosed.

REFERENCES:
patent: 4264697 (1981-04-01), Perez et al.
patent: 4298672 (1981-11-01), Lu
patent: 5441839 (1995-08-01), Ishikawa et al.
patent: 5766814 (1998-06-01), Bada et al.

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