Patent ID: 7278710

Claim:
An inkjet head comprising: a channel unit including; a common ink chamber extending in a plane; and a plurality of individual ink channels extending from the common ink chamber to nozzles through pressure chambers respectively; and a reservoir unit configured by a plurality of laminated plates that define a plurality of spaces separate from the channel unit and the common ink chamber of the channel unit, the reservoir unit being fixed to the channel unit and including; an ink inlet that takes in ink supplied from outside; an ink reservoir having a first space to be filled with ink and a second space to be filled with no ink; an ink supply channel that provides ink to the common ink chamber from the ink reservoir; and a flexible film provided between adjacent two plates of the laminated plates, that partitions the ink reservoir into the first space and the second space, wherein the flexible film absorbs fluctuations of pressure of the ink in the ink including at least fluctuations of pressure from ink supplied at the ink inlet.