| 摘要 |
An inkjet head includes a substrate, a piezoelectric member provided on the substrate and having predetermined length, plural pressure chamber grooves provided on the piezoelectric member in a longitudinal direction, opposed walls forming the pressure chamber grooves being configured to function as driving elements that eject ink, a chamber groove provided along the longitudinal direction of the piezoelectric member, the chamber groove being formed on the substrate continuously to a slope of the piezoelectric member, an insulating member provided in the chamber groove, a wire through which a signal for driving the walls of the pressure chamber grooves passes, the wire being formed on the substrate and the insulating member, a cover member opposed to the substrate and configured to cover the piezoelectric member and the chamber groove, and plural nozzles configured to pierce through the cover member, respectively communicate with the pressure chamber grooves, and discharge the ink.
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