| 摘要 |
A liquid droplet ejecting head includes: an ejector having a nozzle, a pressure chamber, and a drive element that applies pressure to a liquid inside the pressure chamber; and a controller that applies a drive waveform to the drive element. The controller vibrates a flow velocity of the liquid ejected from the nozzle in a first positive direction vibration mode for causing a leading end portion of the liquid droplet to be ejected from the nozzle toward the opposite side of the pressure chamber side; and a second positive direction vibration mode for adjusting the velocity of a trailing end portion of the liquid droplet. An interval between the first positive direction vibration mode and the second positive direction vibration mode is set so as to make the velocity of the trailing end portion of the columnar liquid droplet faster than the velocity of the leading end portion thereof.
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