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Micro-electromechanical ink ejection mechanism with electro-magnetic actuation

  • US 7,465,023 B2
  • Filed: 08/10/2006
  • Issued: 12/16/2008
  • Est. Priority Date: 07/15/1997
  • Status: Expired due to Fees
First Claim
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1. A micro-electromechanical ink ejection mechanism for an inkjet printhead, the ink ejection mechanism comprising:

  • a substrate;

    a nozzle chamber structure arranged on the substrate and defining a nozzle chamber and an outlet in fluid communication with the nozzle chamber;

    a ink ejection member suspended within the chamber and displaceable towards and away from the outlet to eject ink from the outlet, the ink ejection member being capable of electro-magnetic actuation; and

    an electro-magnetic actuator configured to actuate the ink ejection member so that ink is ejected from the outlet.

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