Inkjet nozzle chamber holding two fluids

Details Inkjet nozzle chamber holding two fluids Inkjet nozzle chamber holding two fluids

2004-08-23

2009-08-25

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S065000

Reexamination Certificate

active

07578582

ABSTRACT:
An inkjet nozzle chamber is configured to hold ink and a second fluid with a lower thermal conductivity. At least part of the actuator is positioned at the interface between the ink and the second fluid. By insulating at least some of the actuator from the printhead substrate, more heat is directed into the ink that is ejected from the nozzle. If the actuator is a thermal or thermal bend, the insulating fluid allows the resistive elements to heat more quickly and use less power. This reduces the overall power consumption of the printhead.

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