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Textured surfaces and methods of making and using same

  • US 9,023,457 B2
  • Filed: 11/28/2012
  • Issued: 05/05/2015
  • Est. Priority Date: 11/30/2011
  • Status: Active Grant
First Claim
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1. A textured article, comprising:

  • a substrate; and

    a plurality of mortise-topped protrusions on a surface of the substrate;

    wherein the mortise-topped protrusions have an average height of about 5 nanometers to about 300 nanometers, an average longest lateral cross-sectional dimension of about 10 nanometers to about 1000 nanometers, and are randomly oriented on the surface of the substrate,wherein the plurality of mortise-topped protrusions comprise a mortise having an average depth less than or equal to about 75 percent of the average height of the mortise-topped protrusions, andwherein an optical transmittance of the textured article is greater than or equal to about 94 percent over a visible spectrum of light.

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