| 摘要 |
An inkjet recording head includes a plurality of nozzles, a plurality of pressure chambers in communication with the respective nozzles, a diaphragm forming a part of the walls of the pressure chambers, and a plurality of piezoelectric actuators each coupled with a part of the diaphragm to form a vibrating member. The vibrating member deforms to generate a pressure wave in the ink filled within the pressure chamber, the acoustic capacitance of the vibrating member being set at 2.0x10<-20 >m<5>/N or higher.
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