| 摘要 |
An inkjet print head is provided to increase the number of nozzles to be arranged in a unit area by adjusting an area that a pressure chamber and an actuator are overlapped. An inkjet print head comprises as follows. A nozzle plate(500) is equipped with a nozzle(502) through which ink is discharged. A chamber plate(516) is equipped with a pressure chamber(517) connected with the nozzle through an ink outlet. A vibration plate(518) forms one surface of the pressure chamber facing the nozzle plate. And, an actuator(520), arranged on the vibration plate, is equipped with a lower electrode(520a), a piezoelectric plate(520b) and an upper electrode(520c).
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