Ink recording apparatus

Details Ink recording apparatus Ink recording apparatus

1982-06-22

1984-10-23

Goldberg, E. A.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

044791356

ABSTRACT:
In a head of an electroosmotic ink recording apparatus wherein a porous substance film 40 and a second electrode 50 which is permeable to a fluid ink 200 are accumulated in sequence on a principal face 11 of a non-porous substrate 10, on which a plural number of first electrodes (recording electrodes) 20 are provided, signal voltages V.sub.B and V.sub.B ' for ink recording being applied between the first electrodes 20 and the second electrode 50, the first electrodes are of ink-philic (generally hydrophilic) conductive substance and their surfaces are isolated with a substantially ink-repellant (generally hydrophobic) and insulative substance, thereby recording has a clear discretion between neighboring dots drawn by corresponding neighboring second electrodes.

REFERENCES:
patent: 4271416 (1981-06-01), Shimizu et al.
patent: 4396925 (1983-08-01), Kohashi

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