Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2007-04-24
2007-04-24
Do, An H. (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S065000
Reexamination Certificate
active
11185720
ABSTRACT:
A nozzle arrangement for an ink jet printhead chip comprises a wafer substrate having a front surface, a rear surface and a nozzle chamber extending through the wafer substrate to define an inlet at the rear surface of the wafer substrate. An outlet is defined at the front surface of the wafer substrate. The nozzle chamber is in fluid communication with an ink supply at the rear surface of the wafer substrate. A closure member is positioned on the rear surface of the substrate and is displaceable between open and closed positions to control a flow of ink through the wafer substrate. An actuator is operatively engaged with the closure member to displace the closure member between the open and closed positions when activated.
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Do An H.
Silverbrook Research Pty Ltd
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