18152091. EJECTION APPARATUS AND EJECTION CONTROL METHOD simplified abstract (CANON KABUSHIKI KAISHA)

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EJECTION APPARATUS AND EJECTION CONTROL METHOD

Organization Name

CANON KABUSHIKI KAISHA

Inventor(s)

Midori Yasuda of Kanagawa (JP)

EJECTION APPARATUS AND EJECTION CONTROL METHOD - A simplified explanation of the abstract

This abstract first appeared for US patent application 18152091 titled 'EJECTION APPARATUS AND EJECTION CONTROL METHOD

Simplified Explanation

The ejection apparatus described in this patent application includes an ejection head with an ejection port, a droplet detection unit, an acquisition unit, a control unit, and a decision unit.

  • The droplet detection unit detects when a droplet ejected from the ejection port reaches a specific position.
  • The acquisition unit gathers information about the velocity of the detected droplet.
  • The control unit manages the ejection head to eject the droplet from the ejection port.
  • The decision unit determines the number of consecutive ejections of multiple droplets based on the acquired velocity information of each droplet detected by the droplet detection unit.
  • If the acquisition unit obtains velocity information of detected droplets, the control unit controls the ejection head to consecutively eject the droplets based on the decided number of consecutive ejections.

Potential Applications

This technology can be applied in various fields where precise and controlled ejection of droplets is required, such as:

  • Inkjet printing: The apparatus can be used in inkjet printers to ensure accurate and consistent droplet ejections for high-quality printing.
  • Biotechnology: It can be utilized in bioprinting applications for the controlled deposition of biological materials, such as cells or biomaterials, in tissue engineering or drug development.
  • Microfluidics: The apparatus can be integrated into microfluidic devices for precise manipulation and dispensing of small volumes of liquids in lab-on-a-chip systems.

Problems Solved

The ejection apparatus addresses several challenges in droplet ejection systems:

  • Droplet positioning: The droplet detection unit ensures that the droplet reaches the desired position before further actions are taken, improving accuracy and reliability.
  • Velocity control: The acquisition unit provides information about the droplet's velocity, allowing for better control and adjustment of the ejection process.
  • Consistency: The decision unit determines the optimal number of consecutive ejections based on velocity information, ensuring consistent droplet ejections.

Benefits

The ejection apparatus offers several benefits:

  • Improved accuracy: By detecting droplet position and acquiring velocity information, the apparatus enhances the precision of droplet ejections.
  • Increased efficiency: The control unit enables consecutive ejections based on acquired velocity information, reducing the time required for multiple ejections.
  • Consistent results: The decision unit ensures a consistent number of consecutive ejections, leading to uniform droplet deposition and reliable outcomes.


Original Abstract Submitted

An ejection apparatus includes an ejection head having an ejection port, a droplet detection unit, an acquisition unit, a control unit, and a decision unit. The droplet detection unit detects that a droplet ejected from the ejection port has reached a predetermined position. The acquisition unit acquires information regarding a velocity of movement of the detected droplet. The control unit controls the ejection head to eject the droplet from the ejection port. The decision unit decides a number of consecutive ejections of a plurality of droplets from the ejection head based on the acquired information regarding the velocities of each of the plurality of droplets ejected consecutively and detected by the droplet detection unit. If the acquisition unit acquires the information regarding velocities of detected droplets, the control unit controls the ejection head to consecutively eject the droplets from the ejection head based on the decided number of consecutive ejections.

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