Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2007-06-19
2007-06-19
Hsieh, Shih-Wen (Department: 2861)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S047000, C347S050000
Reexamination Certificate
active
11329088
ABSTRACT:
A liquid-ejection integrated circuit includes a substrate that defines a plurality of liquid inlet channels. A plurality of nozzle chamber structures is positioned on the substrate and defines nozzle chambers in fluid communication with respective liquid inlet channels. Each nozzle chamber structure incorporates a liquid ejection member. A nozzle guard is positioned on the substrate. A plurality of containment walls is interposed between the substrate and the nozzle guard to define a plurality of containment chambers. The nozzle guard, the containment walls and the substrate are of materials that have the same coefficient of thermal expansion.
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Hsieh Shih-Wen
Silverbrook Research Pty Ltd
LandOfFree
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