LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS

摘要

In a liquid ejecting head, a vibration plate includes an effective displacement portion provided for each pressure chamber and an island-shaped part which is provided in the effective displacement portion at a position on the opposite side to the pressure chamber and to which one end portion of a piezoelectric vibrator is bonded; the piezoelectric vibrator has a laminate structure in which electrodes and piezoelectric material are alternately laminated; a layer at an end of one side of the piezoelectric vibrator in the laminating direction is formed of an external electrode, while a layer at an end of the other side thereof in the same direction is formed of a piezoelectric material; and the piezoelectric vibrator is disposed so as to be shifted toward the other side in the laminating direction with respect to the effective displacement portion.

主权项

1. A liquid ejecting head, comprising:
a pressure chamber communicating with a nozzle; a vibration plate defining part of the pressure chamber; and a piezoelectric vibrator configured to displace an effective displacement portion of the vibration plate, wherein the piezoelectric vibrator has a laminate structure in which electrodes and piezoelectric material are alternately laminated, an outermost layer at one side of the laminate structure in a laminating direction is an electrode, another outermost layer at another side of the laminate structure in the laminating direction is a piezoelectric layer, and the piezoelectric vibrator is laterally offset toward the another side in the laminating direction with respect to the effective displacement portion.