Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2011-01-12
2011-10-04
Do, An (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S065000
Reexamination Certificate
active
08029101
ABSTRACT:
A micro-electromechanical ejection mechanism is disclosed for ejecting an ink droplet. The mechanism has a wafer substrate and an ink chamber formed on the wafer substrate. The ink chamber has an ink ejection nozzle formed in a roof thereof and an ink inlet port formed in a floor thereof. A paddle device is arranged inside the ink chamber between the inlet port and the ejection nozzle A bi-layer thermal actuator coil is also included with a first end thereof fast with the substrate and a second end connected to the paddle device. Heating of the thermal actuator coil displaces the paddle device, causing ejection of an ink droplet through the ink ejection nozzle.
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Do An
Silverbrook Research Pty Ltd
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