Liquid droplet discharging apparatus
AssigneeBrother Kogyo Kabushiki Kaisha
InventorTaisuke Mizuno
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Abstract
A liquid droplet discharging apparatus includes: a channel member having a channel including a nozzle and a pressure chamber communicating with the nozzle; and a piezoelectric element fixed to the channel member and configured to apply pressure to liquid inside the pressure chamber to discharge liquid droplets of the liquid from the nozzle. A natural frequency Fr of the liquid inside the channel is in a range of 120 kHz to 160 kHz, a recording resolution which is a resolution of an image to be recorded by the liquid droplets is not less than 1200 dpi; and a diameter D [μm] of the nozzle and the natural frequency Fr [KHz] satisfy: D≥0.0343×Fr+6.6979.
Claims8
A liquid droplet discharging apparatus, comprising:
- a channel member having a channel including a nozzle and a pressure chamber communicating with the nozzle;
- and
- a piezoelectric element fixed to the channel member and configured to apply pressure to liquid inside the pressure chamber to discharge liquid droplets of the liquid from the nozzle,
- wherein a natural frequency Fr of the liquid inside the channel is in a range of 120 kHz to 160 kHz,
- a recording resolution which is a resolution of an image to be recorded by the liquid droplets is not less than 1200 dpi, and
- a diameter D [μm] of the nozzle and the natural frequency Fr [KHz] satisfy:
- D≥0.0343×Fr+6.6979.
Dependencies are inferred from the claim text.