| 摘要 |
An inkjet head including: a head chip having; driving walls composed of piezoelectric element, wherein shear deformation is caused by applying voltage so as to jet ink, ink containing channels arranged alongside the driving walls alternatively, outlet and inlet ports respectively provided on a front and rear surface of the head chip for each channel, driving electrodes formed on surfaces of the driving walls to apply voltage to the driving walls, and connection electrodes formed on the rear surface of the head chip to connect the driving electrodes electrically; a wiring substrate, wherein wiring electrodes are formed to apply voltage to the driving electrode through the connection electrode, bonded on the rear surface of the head chip to protrude from the head chip in a direction perpendicular to a direction of a channel array exposing all the channels at the rear surface of the head chip.
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