Patent ID: 7581825

Claim:
An inkjet head, comprising: a flow channel unit comprising: a plurality of nozzles; and a plurality of pressure chambers, each pressure chamber being connected to a uniquely corresponding nozzle; and an actuator unit attached to the flow channel unit, the actuator unit comprising: a piezoelectric sheet; a plurality of individual electrodes, each individual electrode facing a uniquely corresponding pressure chamber; and a common electrode which, with the plurality of individual electrodes, sandwiches the piezoelectric sheet; wherein a contact terminal electrically connected to the common electrode is exposed on an attachment surface of the actuator unit to attach to the flow channel unit, wherein a cavity facing the contact terminal is formed in the flow channel unit and an opening of the cavity is formed at an attachment surface of the flow channel unit to attach to the actuator unit, and wherein a conductive material filled in the cavity electrically connects the contact terminal of the actuator unit with the flow channel unit.