Nozzle structure with reciprocating cantilevered thermal...

Incremental printing of symbolic information – Ink jet – Ejector mechanism

Reexamination Certificate

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Reexamination Certificate

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07976129

ABSTRACT:
A nozzle structure for an inkjet printer printhead includes an ink ejection port; a nozzle chamber in fluid communication with the ink ejection port and an ink supply channel of the inkjet printer printhead; and a cantilevered thermal actuator terminating in a free end over the ink supply channel. The thermal actuator includes a serpentine heater layer connected to a CMOS drive circuitry layer of the printhead. The thermal actuator is adapted to reciprocate towards and away from the ink ejection port in response to signals from the drive circuitry layer.

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