Magnetic brush developing method for use in electrography employ

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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4301066, G03G 1309

Patent

active

043450148

ABSTRACT:
An improved magnetic brush developing method for use in electrography which employs a dual-component developing material including electrically insulative magnetizable particles and electrically insulative non-magnetizable particles. In the developing method, magnetic attractive force exerted on the magnetizable particles located at the developing position where a magnetic brush of the developing material formed on a developing material support member is in rubbing contact with electrostatic latent images on a recording medium, is made larger than the electric repelling force acting on the magnetizable particles for preventing the magnetizable particles from adhering to the recording medium.

REFERENCES:
patent: 3900588 (1975-08-01), Fisher
patent: 4031021 (1977-06-01), Deming

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