Thermal ink jet printhead with low heater mass

Details Thermal ink jet printhead with low heater mass Thermal ink jet printhead with low heater mass

2007-12-11

2007-12-11

Stephens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S062000

Reexamination Certificate

active

10534883

ABSTRACT:
There is disclosed an ink jet printhead which comprises a plurality of nozzles and one or more heater elements (10) corresponding to each nozzle. Each heater element (10) is configured to heat a bubble forming liquid in the printhead to a temperature above its boiling point to form a gas bubble therein. The generation of the bubble causes the ejection of a drop of an ejectable liquid (such as ink) through the respective corresponding nozzle (3), to effect printing. Each heater element includes solid material and is configured so that, when heated, a mass of less than 10 nanograms of that solid material is heated for heating the bubble forming liquid.

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

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