PROCESS FOR ESTABLISHING UNIFORM LIQUID FILMS ON POLAR AND NON-POLAR SUBSTRATES
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United States of America Patent
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Issued Date -
Nov 17, 2022
app pub date -
May 11, 2022
filing date -
May 12, 2021
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Abstract
Wettable structures that retain liquid layers are defined at surfaces of substrates. The wettable structures include grooves or ridges that are spaced apart by between 10 nm and 10 μm and can be defined in substrate or in a layer formed on a surface of the substrate. In typical examples, wettable structures are defined with hydrophobic materials or at hydrophobic surfaces and produce hydrophilic surfaces.
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