PIEZOELECTRIC ELEMENT, LIQUID EJECTION HEAD EMPLOYING IT, AND LIQUID EJECTOR

摘要

PROBLEM TO BE SOLVED: To provide a piezoelectric suitable as a piezoelectric actuator excellent in displacement ability, efficiency and use durability and especially applicable to a transverse oscillation mode piezoelectric actuator suitable for micromachining.

SOLUTION: The piezoelectric element comprises a piezoelectric, and a pair of electrodes touching the piezoelectric wherein the piezoelectric constants d33and d31of the piezoelectric satisfy relation (I); 0.1≤¾d33/d31¾≤1.8 (I).

COPYRIGHT: (C)2007,JPO&INPIT