| 摘要 |
PROBLEM TO BE SOLVED: To provide an inkjet head wherein an aperture section for preventing crosstalk among nozzles is also used as a filter for removing foreign matter in ink and the assembling can be facilitated. SOLUTION: This inkjet head 1 comprises a plurality of nozzles 23 for ejecting ink, a plurality of pressurizing chambers 24 respectively provided corresponding to the nozzles, a common ink chamber 25 for distributing the ink to the plurality of pressurizing chambers 24, and a cavity unit 20 that has connection channels 28 for connecting the common ink chamber 25 to the pressurizing chambers 24 and is so constituted that a plurality of plates are laminated. In the inkjet head 1, a sheet like filter body 34 having many filter holes provided over the whole face is stuck to the plate having the connection channels 28 by opposing the plurality of filter holes to the connection channels 28 and the filter body 34 is also used as the aperture section which has the maximum resistance in the fluid channel from the common ink chamber to each pressurizing chamber 24 through each of the connection channels 28. COPYRIGHT: (C)2007,JPO&INPIT
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