Shear mode transducer for drop-on-demand liquid ejector

Details Shear mode transducer for drop-on-demand liquid ejector Shear mode transducer for drop-on-demand liquid ejector

1985-05-20

1986-04-22

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

310333, 310366, G01D 1516

Patent

active

045845905

ABSTRACT:
A single piezoelectric transducer is used to drive an array of drop-on-demand ink jet ejectors. This is accomplished by utilizing a plurality of electrodes which divide the piezoelectric transducer into discrete, deformable sections, each section corresponding to an ejector.

REFERENCES:
patent: 2512743 (1950-06-01), Hansell
patent: 2951894 (1960-09-01), Hirsch
patent: 3857049 (1974-12-01), Zoltan
patent: 3946398 (1976-03-01), Kyser
patent: 4019073 (1977-04-01), Vishnevsky
patent: 4243995 (1981-01-01), Wright
patent: 4272200 (1981-06-01), Hehl
Buchanan, J. P.; Handbook of Piezoelectric Crystals for Radio Equipment Designers, NADCT Report 54-248, Dec. 1954, pp. 15-18.
Stemme et al.; The Piezoelectric Capillary Injector . . . Generation; IEEE Transactions on Electron Devices, Jan. 1973, pp. 14-19.
Tsao, C. S.; Drop-on-Demand Ink Jet Nozzle Array with Two Nozzles/Piezoelectric Crystal; IBM TDB, vol. 23, No. 10, Mar. 1981, p. 4438.

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