Ink-jet head, ink-jet printer using the same, and process for producing ink-jet head
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United States of America Patent
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Jun 19, 2007
Grant Date -
Nov 11, 2004
app pub date -
Apr 29, 2004
filing date -
May 9, 2003
priority date (Note) -
Expired
status (Latency Note)
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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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