Droplet deposition apparatus

Details Droplet deposition apparatus Droplet deposition apparatus

1988-01-04

1989-11-07

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

310333, G01D 1516, B41J 304

Patent

active

048795682

ABSTRACT:
A pulsed droplet ink jet printer has at least one channel communicating with a nozzle. The side wall of the channel is formed as a shear mode piezo-electric actuator. Electrodes applied to the actuator enable an electric field to be applied such that the actuator moves in the direction of the field to change the liquid pressure in the channel and thereby eject a droplet through the nozzle. The actuator can be made in two parts so as to deform, in cross section, to a chevron formation.

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IBM Technical Disclosure Bulletin, vol. 23, No. 10, Mar. 1981.

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