Patent ID: 7044591

Claim:
An ink-jet head comprising: a passage unit including a plurality of nozzles for ejecting ink, a plurality of pressure chambers each connected to each of the nozzles, a common ink chamber for supplying ink to the pressure chambers, and inlet ports for introducing ink into the common ink chamber; and a branching passage unit including an ink introduction port into which ink is introduced, ink outlet ports formed to correspond to the inlet ports and leading out ink to the inlet ports, an ink branching passage for branching ink from the ink introduction port to the ink outlet ports, and an ink filter formed in the ink branching passage, wherein the branching passage unit is formed by laminating a plurality of plates, the plurality of plates include a metal plate and a resin plate, one stacked on the other, and the plate in which the filter is formed is a resin plate, and wherein the passage unit and the branching passage unit are separate members.