Ink jet printing head and electronic machine incorporating the s

Details Ink jet printing head and electronic machine incorporating the s Ink jet printing head and electronic machine incorporating the s

1993-02-18

1996-04-23

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 2045

Patent

active

055108199

ABSTRACT:
An ink jet printing head which is composed of a smaller number of parts than those in a conventional one, which leads to a reduction in the number of assembly steps, enhanced productivity and a reduction in the cost. A piezoelectric element is provided on a diaphragm at the portion corresponding to each pair of adjacent pressure chambers. A piezoelectric element includes an electrode which extends along each pressure chamber. An electronic machine incorporating this ink jet printing head is also provided.

REFERENCES:
patent: 4521788 (1985-06-01), Kimura et al.
patent: 4825227 (1989-04-01), Fischbeck et al.
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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