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US 2009/0110884 A1Published application
Surface Coating
AssigneeIntegrated Surface Technologies
InventorsJeff Chinn, W. Robert Ashurst, Adam Anderson
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Abstract
A composite is provided, comprising a substrate and a film on the substrate. The film has an RMS surface roughness of 25 nm to 500 nm, a film coverage of 25% to 60%, a surface energy of less than 70 dyne/cm; and a durability of 10 to 5000 microNewtons. Depending on the particular environment in which the film is to be used, a durability of 10 to 500 microNewtons may be preferred. A film thickness 3 to 100 times the RMS surface roughness of the film is preferred.
Claims16
A composite comprising:
- a substrate;
- a film on the substrate, the film having:
- an RMS surface roughness of 25 nm to 500 nm;
- a film coverage of 25% to 60%
- a thermodynamic surface energy of <70 dyne/cm;
- and
- a durability of 10 to 5000 microNewtons.
4 more elements
Dependencies are inferred from the claim text.