Thermoelastic inkjet actuator with heat conductive pathways

Details Thermoelastic inkjet actuator with heat conductive pathways Thermoelastic inkjet actuator with heat conductive pathways

2002-06-14

2010-02-16

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07661792

ABSTRACT:
A thermal inkjet actuator for use in an inkjet printer assembly includes heat conduction means arranged to realize a predetermined negative pressure profile to facilitate droplet formation. In a preferred embodiment the heat conduction means comprises a thin layer (54) of very high thermally conductive material such as Aluminium located in the middle of a non-heat conductive passive bend layer (56). The overall cool-down speed of the actuator, and hence the speed with which the passive bend layer returns to its quiescent position can be controlled by controlling the proximity of the heat conductive layer to the actuator's heater during fabrication.

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Full translation of JP 62094347 A.

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