Electroconductive magnetic carrier, developer using the same and

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

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430108, 430122, G03G 9083

Patent

active

053467914

ABSTRACT:
An electroconductive magnetic carrier which is composed of carrier particles, each of the carrier particles comprising a basic particle in which magnetic particles with an average particle diameter of 0.05 to 1.0 .mu.m are dispersed in a binder resin, and electroconductive finely-divided particles with an average particle diameter of 0.5 .mu.m or less which are fixed on the surface of said basic particle to form a carrier particle with an average particle diameter of 5 to 100 .mu.m; a developer which is composed of the above electroconductive magnetic carrier and an electrically insulating toner; and an image formation method of forming toner images on a photoconductor by using this developer are described.

REFERENCES:
patent: 4971880 (1990-11-01), Hotomi et al.
patent: 5104761 (1992-04-01), Saha et al.
patent: 5214239 (1993-05-01), Koga et al.

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