Inkjet recording apparatus and inkjet recording method

According to one embodiment, an inkjet recording apparatus includes a head body, electrodes, a nozzle plate and a control section. The control section is electrically connected to the electrodes and applies an ejection pulse or a non-ejection pulse to the electrodes. The ejection pulse includes a fi...

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1. Verfasser: MOCHIZUKI YOSHIAKI
Format: Patent
Sprache:eng
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Zusammenfassung:According to one embodiment, an inkjet recording apparatus includes a head body, electrodes, a nozzle plate and a control section. The control section is electrically connected to the electrodes and applies an ejection pulse or a non-ejection pulse to the electrodes. The ejection pulse includes a first voltage change process for increasing the volume of a pressure chamber and a second voltage change process for reducing the volume of the pressure chamber, has width equal to or larger than 0.95 times and equal to or smaller than 1.05 times of a pressure propagation time in the pressure chamber, and ejects the ink from a nozzle. The non-ejection pulse has width equal to or larger than 0.2 times and equal to or smaller than 0.34 times of the width of the ejection pulse and stops the ink in the nozzle.