Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2011-05-03
2011-05-03
Stephens, Juanita D (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S048000, C347S062000
Reexamination Certificate
active
07934804
ABSTRACT:
A nozzle arrangement is provided for ejecting ink. The nozzle arrangement includes a substrate assembly defining an ink inlet passage. A nozzle chamber structure extends from the substrate assembly to define a nozzle chamber in fluid communication with the ink inlet passage. The nozzle chamber structure defines an aperture through which ink in the nozzle chamber can be ejected. A pair of parallel heater elements extends from the nozzle chamber structure and into the nozzle chamber, and can be supplied with current so that ink in the nozzle chamber is ejected out through the aperture. Each heater element includes an elongate conductor, in turn, having at least one arcuate portion. Each elongate conductor is of substantially uniform diameter and terminates in a pair of enlarged contacts at either end.
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Silverbrook Research Pty Ltd
Stephens Juanita D
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