Inkjet printhead and method of manufacturing the same

Details Inkjet printhead and method of manufacturing the same Inkjet printhead and method of manufacturing the same

2006-04-19

2009-10-27

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07607759

ABSTRACT:
An inkjet printhead and a method of manufacturing the same. In the inkjet printhead, a substrate includes an ink chamber formed in a top surface to contain ink to be ejected, an ink feedhole formed in a bottom surface to supply the ink to the ink chamber, and a restrictor formed between the ink chamber and the ink feedhole to connect the ink chamber and the ink feedhole. A plurality of passivation layers are formed on the substrate. A heater and a conductor to apply a current to the heater are formed between the passivation layers. A heat transfer layer is formed on the passivation layers in a predetermined shape. An epoxy nozzle layer is formed to cover the passivation layers and the heat transfer layer. The epoxy nozzle layer is formed with a nozzle that is connected to the ink chamber.

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patent: 2004-70431 (2004-08-01), None

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