Piezoelectric film type actuator and ink jet printer head having

Details Piezoelectric film type actuator and ink jet printer head having Piezoelectric film type actuator and ink jet printer head having

1998-12-22

2000-08-15

Barlow, John

Incremental printing of symbolic information

Ink jet

Ejector mechanism

310328, 310358, B41J 2045

Patent

active

061025313

ABSTRACT:
A piezoelectric film type actuator, which achieves large displacement by the traverse effect of electric-field-induced distortion with low voltage and is quick in response and wherein wiring patterns to electrodes may be simplified or may not be needed at all without giving adverse effect to the displacement of the thin substrate 1 should be provided. A piezoelectric film type actuators is produced by laminating a piezoelectric film 3 onto the thin substrate 1 through an intermediate layer 2 containing 40% or more platinum (Pt) or palladium (Pd) by weight attached on the thin substrate 1, and further laminating an electrode film 4 on the piezoelectric film 3.

REFERENCES:
patent: 5617127 (1997-04-01), Takeuchi et al.
patent: 5691752 (1997-11-01), Moynihan et al.

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