Ink-jet printhead and method for producing the same

Details Ink-jet printhead and method for producing the same Ink-jet printhead and method for producing the same

2006-07-11

2006-07-11

Shah, Manish (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S068000, C347S071000

Reexamination Certificate

active

07073895

ABSTRACT:
An ink-jet printhead according to an aspect of the invention includes a cavity unit and a plate type piezoelectric actuator. The cavity unit has two rows of staggered nozzle orifices and two rows of staggered pressure chambers being in fluid communication with respective ones of the nozzle orifices. The piezoelectric actuator is a laminate of a plurality of piezoelectric sheets obtained by sintering green sheets of ferroelectric material having obtuse or rounded corners. The piezoelectric actuator is fixed onto the cavity unit to seal the pressure chambers. The piezoelectric actuator having obtuse or rounded corners are securely bonded to the cavity unit.

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