Method of preventing toner build-up on electrodes during liquid

Details Method of preventing toner build-up on electrodes during liquid Method of preventing toner build-up on electrodes during liquid

1973-08-30

1976-04-20

Klein, David

Gas separation: apparatus

Magnetic separating means

96 1LY, G03G 1322

Patent

active

039516539

ABSTRACT:
An improved electrophoretic development method comprising providing a liquid developer system having a backing electrode and a developer electrode, wherein the development electrode comprises a plurality of individually biased electrodes. According to this improved method, as an electrostatically imaged insulating member is contacted with the liquid developer and directed through a development zone defined by said electrodes, the leading edge of said insulating member selectively activates the individually biased development electrodes in synchronization with the travel of the insulating member through said zone, and the trailing edge of said insulating member selectively inactivates the individually biased development electrodes upon the withdrawal of the insulating member from said zone. This method is especially suitable for preparation of reversal images by electrophoretic development.

REFERENCES:
patent: 3560203 (1971-02-01), Honjo et al.
patent: 3707943 (1973-01-01), Matsumoto et al.
patent: 3783827 (1974-01-01), Fukushima et al.

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