Ink jet recording apparatus

Details Ink jet recording apparatus Ink jet recording apparatus

1988-09-02

1990-12-04

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 206

Patent

active

049757180

ABSTRACT:
An ink nozzle plate has ink discharge channels for discharging ink, and an air nozzle plate has air discharge channels facing the ink discharge channels for discharging air to jet the ink. A power source produces an electric field through the ink at the ink discharge channels, thereby extending the ink meniscus, and the ink is jetted from the air discharge channels by air-flow and the electric field. A heating means increases the temperature of the air nozzle plate, thereby vaporizing water adsorbed in the air discharge channels and stabilizing the ink jet volume.

REFERENCES:
patent: 4050377 (1977-09-01), Watanabe
patent: 4223324 (1980-09-01), Yamamori
patent: 4245226 (1981-01-01), Paranjpe
patent: 4622562 (1986-11-01), Pipkorn
patent: 4736212 (1988-04-01), Oda

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