Ink-jet head, ink-jet printer using the same, and process...

Details Ink-jet head, ink-jet printer using the same, and process... Ink-jet head, ink-jet printer using the same, and process...

2007-06-19

2007-06-19

Meier, Stephen (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C427S287000

Reexamination Certificate

active

10834248

ABSTRACT:
In an ink-jet head having an orifice ejecting an ink for forming an image, the ink-jet head further has a water repellent film for repelling the ink on a surface of the orifice, and the water repellent film has a fluorine-containing polymer resin layer and a part having a perfluoropolyether chain or a perfluoroalkyl chain bonded on the layer, whereby an ink-jet head and an ink-jet printer having a water repellent film having high water repelling property to an oil-based ink and high abrasion resistance can be provided.

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