| 摘要 |
An ink-jet printer head comprises a plurality of pressure chambers, a plurality of restricting passages which are arranged in parallel and are respectively connected to the plurality of pressure chambers, and a dummy restricting passage provided to be located adjacent a restricting passage located at an end in a direction in which the restricting passages are arranged. The pressure chambers other than the pressure chamber located at an end in which the pressure chambers are arranged are respectively configured to at least partially overlap with passages connected to their adjacent pressure chambers as viewed from above, and the dummy connecting passage forms an inner space at least partially overlapping with the pressure chamber located at the end as viewed from above.
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