Thermal ink jet printhead with symmetric bubble formation

Details Thermal ink jet printhead with symmetric bubble formation Thermal ink jet printhead with symmetric bubble formation

2003-11-17

2008-09-30

Stephens, Juanita D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S062000

Reexamination Certificate

active

07429097

ABSTRACT:
An inkjet printhead (1) which a plurality of nozzles (3) and one or more heater elements (10) corresponding to each nozzle. Each heater is configured to heat a bubble forming liquid in the printhead to a temperature above its boiling. Each heater element has two opposite sides and is suspended within the chamber (7) below the nozzle. The gas bubble is formed at both sides of the heater.

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The Fabrication and Reliability Testing of Ti/TiN Heaters, P. DeMoor, Proceedings of SPIE, Micromachining and Microfabrication Process Technology V, vol. 3874, pp. 284-293.

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