Method for manufacturing ink-jet printhead

Details Method for manufacturing ink-jet printhead Method for manufacturing ink-jet printhead

2006-03-06

2008-05-06

Tran, Binh X. (Department: 1792)

Etching a substrate: processes

Forming or treating thermal ink jet article

C216S058000, C216S075000, C216S079000, C216S089000

Reexamination Certificate

active

07368063

ABSTRACT:
In an ink-jet printhead and a method for manufacturing the same, the ink-jet printhead includes a substrate, an ink chamber to be filled with ink formed on a front surface of the substrate, a manifold for supplying ink to the ink chamber formed on a rear surface of the substrate, and an ink passage in flow communication with the ink chamber and the manifold formed parallel to the front surface of the substrate; a nozzle plate including a plurality of passivation layers formed of an insulating material on the front surface of the substrate, a heat dissipating layer formed of a metallic material, and a nozzle in flow communication with the ink chamber; and a heater and a conductor, the heater being positioned on the ink chamber and heating ink in the ink chamber, and the conductor for applying a current to the heater.

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