Nozzle plate for ink jet print head

Details Nozzle plate for ink jet print head Nozzle plate for ink jet print head

1980-10-14

1982-08-03

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

346 75, G01D 1518

Patent

active

043430139

ABSTRACT:
The nozzle plate of an ink jet print head is made of glass to provide a desirable wetting property for a stable meniscus of the ink column and the front surface of the plate is coated with a non-wetting material such as metal or plastic to prevent ink deposits at the front surface around the orifice. Any ink deposits at such front surface would adversely affect the ejection of ink droplets.

REFERENCES:
patent: 3946398 (1976-03-01), Kyser
patent: 4007464 (1977-02-01), Bassous
patent: 4158847 (1979-06-01), Heinzl
patent: 4257052 (1981-03-01), Stoneburner
Baker, R. W.; Surface Treatment of Nozzles for Ink Jet Printers; IBM TDB, vol. 22, No. 5, Oct. 1979, pp. 1965-1966.

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