Ink jet printing head

Details Ink jet printing head Ink jet printing head

1982-12-22

1985-06-04

Goldberg, E. A.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

045217882

ABSTRACT:
A printing head for an impulse jet type ink-jet printing apparatus which includes a plurality of nozzles supplied with ink from a common ink chamber through ink flow channels and pressure chambers which are substantially perpendicular to the nozzles. Piezoelectric-crystal elements are disposed in each pressure chamber and have a length to width ratio not less than 2 to 1 and not greater than 20 to 1.

REFERENCES:
patent: 3747120 (1973-07-01), Stemme
patent: 4293865 (1981-10-01), Tinnai et al.
patent: 4339763 (1982-07-01), Kyser et al.
patent: 4367480 (1983-01-01), Kotoh
patent: 4376284 (1983-03-01), Bader et al.
patent: 4389658 (1983-06-01), Perna et al.

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