Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2006-10-10
2006-10-10
Shah, Manish S. (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S061000
Reexamination Certificate
active
07118198
ABSTRACT:
There is disclosed an ink jet printhead which has a plurality of nozzles3and one or more heater elements10corresponding to each nozzle3.Each heater element10.is configured to heat a bubble forming liquid11in the printhead to a temperature above its boiling point to form a gas bubble12therein. The generation of the bubble12causes the ejection of a drop16of an ejectable liquid (such as ink) through an ejection aperture5in each nozzle3,to effect printing. The heat energy difference between an ejected drop of the ejectable liquid and an equivalent volume of the ejectable liquid supplied to the nozzle to replace the ejected drop, is substantially equal to the electrical energy required by the heater to eject the drop.
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Choi Han Samuel
Shah Manish S.
Silverbrook Research Pty Ltd
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