Water-repellent film, film formation method, nozzle plate, ink-jet head, and ink-jet recording device
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United States of America Patent
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Mar 19, 2019
Grant Date -
Jun 30, 2016
app pub date -
Mar 3, 2016
filing date -
Sep 4, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed is a water-repellent film 102 including a substrate 100, and a water-repellent organic material provided on the substrate 100, in which a plurality of regions having different concentrations of the water-repellent organic material are formed, and each of the regions having different concentrations continuously exists in a film thickness direction from a boundary surface with respect to the substrate to a surface of the water-repellent film. Preferably, in the regions having different concentrations, a region having a relatively higher concentration 102a is formed into the shape of a column, and a region having a relatively lower concentration 102b than that of the columnar region exists around the columnar region.
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