Patent ID: 7431444

Claim:
An inkjet head, comprising: a plurality of nozzle rows each of which has a plurality of nozzles arranged along a first direction; a plurality of pressure chambers connected to the plurality of nozzles; a plurality of common ink chambers respectively corresponding to the plurality of nozzle rows; a plurality of fluid channels connecting the plurality of common ink chambers to the plurality nozzles via the plurality of pressure chambers; a plurality of ink supply openings corresponding to the plurality of common ink chambers, the plurality of ink supply openings being arranged along a second direction different from the first direction so that each of the plurality of ink supply openings communicates with corresponding one of the plurality of common ink chambers; and a filter located to cover the plurality of ink supply openings, the filter including: filtering portions that have functions of eliminating dust in ink flowing therethrough; and non-filtering portions which surround the filtering portions when viewed as a plan view, the filtering portions respectively corresponding to the plurality of ink supply openings, each of the filtering portions being configured such that a size of an outline thereof in the first direction is longer than a size of the outline in the second direction when viewed as a plan view.