Fluid jet ejector

Details Fluid jet ejector Fluid jet ejector

1983-05-13

1985-05-28

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

310309, 361277, 417410, G01D 1516

Patent

active

045203750

ABSTRACT:
A fluid jet ejector, such as is used in an inkjet printer head, is provided by a pair of spaced capacitor plates, one of which is a thin diaphragm, preferably of semiconductor material, such as silicon. The capacitor plates may be photolithographically developed. Impressing a time varying voltage on the capacitor causes the diaphragm to be set into mechanical motion. A reservoir containing fluid, such as ink, is contiguous the diaphragm and has a nozzle through which fluid exits responsive to diaphragm motion.

REFERENCES:
patent: 2975307 (1961-03-01), Schroeder
patent: 3683212 (1972-08-01), Zoltan
patent: 4216477 (1980-08-01), Matsuda
patent: 4453169 (1984-06-01), Martner
Byrnes, H. P.; Electrostatic Fluid Pump, IBM TDB, vol. 11, No. 4, Sep. 1968, p. 420.
Peterson, Kurt E., Silicon as a Mechanical Material; Proceedings of the IEEE, vol. 70, No. 5, May 1982, pp. 420-457.

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