Liquid drop ejecting head and image forming apparatus,...

Details Liquid drop ejecting head and image forming apparatus,... Liquid drop ejecting head and image forming apparatus,...

2006-11-10

2011-11-01

Nguyen, Thinh (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S047000

Reexamination Certificate

active

08047630

ABSTRACT:
The same water-repellent process is provided on a nozzle forming part and the outer circumferential part of a nozzle formation member. A first water-repellent layer is formed through a first water-repellent process on the surface of a nozzle forming part (which forms nozzles on a surface of a nozzle plate, and a second water-repellent layer is formed through a second water-repellent process different from the first water-repellent process on the surface of the outer circumferential part (outer portion of surface) of the nozzle plate.

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Oct. 6, 2008 official action in connection with a counterpart Korean patent application No. 10-2007-7015839.

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