Ink-jet printhead and manufacturing method thereof

Details Ink-jet printhead and manufacturing method thereof Ink-jet printhead and manufacturing method thereof

2007-07-30

2011-11-15

Nguyen, Thinh (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S047000

Reexamination Certificate

active

08057013

ABSTRACT:
An inkjet printhead and a method of manufacturing the printhead. The inkjet printhead includes a substrate through which an ink supply passage is formed, a chamber plate stacked on the substrate having an ink chamber filled with ink supplied through the ink supply passage and heating resistors to heat the ink formed in the ink chamber, a nozzle plate formed on the chamber plate and through which a plurality of nozzles through which ink is ejected are formed, and a water repellent layer formed on the nozzle plate, wherein portions of a covalent bond formed by reaction between the material forming the nozzle plate and a hydrolysis material used to form the water repellent layer are discontinuously formed.

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European Search Report issued Mar. 16, 2010 in EP Application No. 07119758.6.

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