| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a liquid jet head whose cost is reduced and which easily achieves higher density, and its manufacturing method and a liquid jet apparatus. Ž<P>SOLUTION: The liquid jet head includes: a pressure generation chamber 12 communicating with a nozzle aperture 21 for jetting liquid; a pressure generation element formed to impart pressure for jetting the liquid to the pressure generation chamber 12; a plurality of columns of lead electrodes 90 connected to each pressure generation element; and a plate type wiring board equipped with a wiring member 500 connected to the lead electrode 90. A recessed part 415 opening to an opposite side to the lead electrode 90 and extending toward the lead electrode 90 side is formed on the wiring board. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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