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Thermally actuated ink jet printing mechanism having a series of thermal actuator units

  • US 6,746,105 B2
  • Filed: 06/04/2002
  • Issued: 06/08/2004
  • Est. Priority Date: 07/15/1997
  • Status: Expired due to Fees
First Claim
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1. An inkjet nozzle arrangement comprising:

  • a nozzle chamber having a fluid ejection port defined in one surface of the chamber;

    a paddle vane located within the chamber, the paddle vane being adapted to be actuated by a thermal actuator for the ejection of fluid out of the chamber via the fluid ejection port;

    a thermal actuator located externally of the nozzle chamber and attached to the paddle vane, wherein the thermal actuator includes a plurality of separate spaced apart elongate thermal actuator units wherein the thermal actuator units are constructed from multiple layers utilizing a single mask to etch the multiple layers.

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