Ink-jet head, method for manufacturing ink-jet head and ink-jet printer having ink-jet head

摘要

An ink-jet head includes a passage unit including a nozzle plate unit having a nozzle plate in which nozzles are formed, and a main unit fixed on the nozzle plate unit in a laminating direction and having a plurality of pressure chambers, each of the plurality of pressure chambers having one end connected with a nozzle and an other end connected with an ink supply source, the plurality of pressure chambers arranged along a plane to neighbor each other, and an actuator unit, fixed on a side of the main unit opposite to a side in which the main unit is fixed on the nozzle plate unit, for changing the volume of each of said pressure chambers.