Ink-jet printing head and ink-jet printing apparatus using same

Details Ink-jet printing head and ink-jet printing apparatus using same Ink-jet printing head and ink-jet printing apparatus using same

1998-09-01

1999-11-16

Barlow, John

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 68, 347 71, B41J 2045

Patent

active

059844590

ABSTRACT:
An ink-jet printing head and an ink-jet printing apparatus using the same, the ink-jet head comprising a piezoelectric element, a vibrating plate constituting a part of a pressure generating chamber communicating with a nozzle aperture, a lower electrode, a piezoelectric layer, and an upper electrode, wherein said vibrating plate in an area opposite to the vicinity of at least one end in the longitudinal direction of a piezoelectric active part which is an area in which said piezoelectric layer substantially drives said vibrating plate is convex on the reverse side to said piezoelectric element.

REFERENCES:
patent: 5381171 (1995-01-01), Hosono et al.
patent: 5856837 (1999-01-01), Kitahara et al.

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