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Flexible wall driven inkjet printhead nozzle

  • US 6,959,982 B2
  • Filed: 08/08/2003
  • Issued: 11/01/2005
  • Est. Priority Date: 06/09/1998
  • Status: Expired due to Fees
First Claim
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1. A nozzle arrangement for an ink jet printhead suitable for fabrication by MEMS techniques, the nozzle arrangement comprising:

  • an ink chamber;

    a flexible wall forming wall of said chamber and forming part of an ink ejection surface of the printhead; and

    an ink ejection port formed by a substantially centrally located rim on said flexible wall, whereby the flexible wall is adapted to move independently of said rim such that upon thermal actuation the flexible wall moves into said ink chamber forcing ink therein out through said ejection port.

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