Monolithic ink-jet printhead having a metal nozzle plate and...

Details Monolithic ink-jet printhead having a metal nozzle plate and... Monolithic ink-jet printhead having a metal nozzle plate and...

2006-07-11

2006-07-11

Shah, Manish (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S061000, C347S065000

Reexamination Certificate

active

07073891

ABSTRACT:
A monolithic ink-jet printhead includes a substrate having an ink chamber to be supplied with ink to be ejected on a front surface thereof, a manifold for supplying ink to the ink chamber on a rear surface thereof, and an ink channel in communication with the ink chamber and the manifold, a nozzle plate including a plurality of passivation layers stacked on the substrate and a heat dissipating layer overlying the passivation layers, the nozzle plate having a nozzle penetrating the nozzle plate, a heater formed between adjacent passivation layers and located above the ink chamber for heating the ink to be supplied within the ink chamber, and a conductor provided between adjacent passivation layers, the conductor being electrically connected to the heater for applying current across the heater, wherein the heat dissipating layer is made of a thermally conductive metal for dissipating heat from the heater.

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patent: 0 110 534 (1984-06-01), None

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