18502164. LIQUID DROPLET DISCHARGING APPARATUS simplified abstract (BROTHER KOGYO KABUSHIKI KAISHA)

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LIQUID DROPLET DISCHARGING APPARATUS

Organization Name

BROTHER KOGYO KABUSHIKI KAISHA

Inventor(s)

Taisuke Mizuno of Yokkaichi (JP)

LIQUID DROPLET DISCHARGING APPARATUS - A simplified explanation of the abstract

This abstract first appeared for US patent application 18502164 titled 'LIQUID DROPLET DISCHARGING APPARATUS

Simplified Explanation:

This patent application describes a liquid droplet discharging apparatus that uses a piezoelectric element to apply pressure to liquid inside a pressure chamber, allowing for the discharge of liquid droplets from a nozzle. The apparatus has specific requirements for the natural frequency of the channel, recording resolution, and the diameter of the nozzle.

  • The channel member includes a channel with a nozzle and a pressure chamber.
  • A piezoelectric element is fixed to the channel member to apply pressure to the liquid inside the pressure chamber.
  • The natural frequency of the channel must be at least 140 kHz.
  • The recording resolution of the liquid droplets is not more than 600 dpi.
  • The diameter of the nozzle and the natural frequency must satisfy a specific equation.

Potential Applications:

The technology described in this patent application could be used in inkjet printers, 3D printing, bioprinting, and other applications that require precise liquid droplet discharging.

Problems Solved:

This technology addresses the need for high-resolution liquid droplet discharging while ensuring the stability and efficiency of the process.

Benefits:

The benefits of this technology include improved printing quality, increased accuracy in liquid dispensing, and enhanced overall performance of liquid droplet discharging systems.

Commercial Applications:

Commercial applications of this technology could include the manufacturing of high-resolution printers, biomedical devices, and industrial equipment that require precise liquid handling.

Questions about liquid droplet discharging apparatus:

1. How does the natural frequency of the channel impact the performance of the liquid droplet discharging apparatus? 2. What are the specific advantages of using a piezoelectric element in this type of technology?


Original Abstract Submitted

A liquid droplet discharging apparatus includes: a channel member which has 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 channel is not less than 140 kHz, a recording resolution which is a resolution of an image to be recorded by the liquid droplet is not more than 600 dpi, and a diameter D [μm] of the nozzle and the natural frequency Fr [kHz] satisfy: D≥0.0412×Fr+16.38.

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