Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2011-04-12
2011-04-12
Do, An H (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S061000
Reexamination Certificate
active
07922296
ABSTRACT:
Provided is a method of operating a nozzle chamber. The nozzle chamber has a wafer defining a chamber with an ink ejection port and ink supply channel along with a plurality of radially positioned actuators about the port. Each actuator has an internal serpentine core arranged in signal communication with a CMOS layer on the wafer. The method includes the steps of supplying the chamber with ink via the ink supply channel, and passing current through the serpentine cores for a predetermined period of time. The current produces thermal expansion of the actuators into the chamber to increase a chamber ink pressure to eject ink from the ejection port.
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McAvoy Gregory John
Silverbrook Kia
Do An H
Silverbrook Research Pty Ltd
LandOfFree
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