Electroosmotic ink recording apparatus

Details Electroosmotic ink recording apparatus Electroosmotic ink recording apparatus

1981-08-10

1983-05-10

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1516

Patent

active

043832652

ABSTRACT:
A novel ink printing apparatus utilizes electroosmotic force on a face of dielectric substance substrate 10 between a needle shaped recording electrode 20 and a ring shaped auxiliary electrode 30. When a voltage of a suitable polarity is applied between the electrodes 20 and 30, a fluid ink (of solvent ink) 40 laid on the dielectric substrate 10 to range from the electrodes 30 to 20 travels by the electroosmotic force and makes protrusion 41 on the end tip 20' of the recording electrode 20. By applying a high voltage between a counter electrode 60 behind a recording paper 50 and the recording electrode 20, the fluid ink 41 flies to the recording paper.

REFERENCES:
patent: 3750564 (1973-08-01), Bettin
patent: 4206467 (1980-06-01), Fujii
patent: 4315267 (1982-02-01), Sonoda
patent: 4333086 (1982-06-01), Ebi

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