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US 8,540,889 B1Granted
Methods of generating liquidphobic surfaces
AssigneeNanosys, Inc.
InventorsJason Hartlove, Ronald Barr, Robert S. Dubrow
Life of this patent
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Abstract
The present invention relates to methods of generating liquidphobic surfaces, and surfaces prepared by these methods. The methods include generating sub-micron-structured surfaces and coating these surfaces with a liquidphobic coating, such as a hydrophobic coating.
Claims8
A method of generating a liquidphobic surface, comprising:
- (a) providing a first substrate;
- (b) providing a sub-micron-structured surface on the first substrate by growing upstanding sub-micron nanowires on the substrate which extend perpendicular to the substrate, the nanowires having an aspect ratio (length:width) of 2 or greater;
- (c) transferring a sub-micron-structure complementary to the sub-micron-structured surface to a surface of a second substrate;
- and
- (d) disposing a liquidphobic coating on the surface of the second substrate;
- wherein the transferring in (c) comprises evaporating and/or plating metal onto the sub-micron-structured surface of the first substrate, resulting in a complementary sub-micron-structure in the metal.
3 more elements
A method of generating a liquidphobic surface, comprising:
- (a) generating a sub-micron-structured surface on a first substrate by growing sub-micron upstanding nanowires on the substrate which extend perpendicular to the substrate, the nanowires having an aspect ratio (length:width) of 2 or greater;
- (b) transferring a sub-micron-structure complementary to the sub-micron-structured surface to a surface of a second substrate;
- and
- (c) disposing a liquidphobic coating on the surface of the second substrate;
- wherein the transferring in (b) comprises evaporating and/or plating metal onto the sub-micron-structured surface of the first substrate, resulting in a complementary sub-micron-structure in the metal.
2 more elements
Dependencies are inferred from the claim text.