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High aspect ratio, microstructure-covered, macroscopic surfaces

  • US 6,197,180 B1
  • Filed: 06/23/1998
  • Issued: 03/06/2001
  • Est. Priority Date: 02/09/1996
  • Status: Expired due to Fees
First Claim
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1. A process for producing microstructures on a metal surface, comprising the steps of:

  • (a) heat-shrinking a non-conductive polymer sheet onto the metal surface;

    wherein there is no gap or there is a negligible gap between the metal surface and the non-conductive sheet;

    wherein the non-conductive sheet contains a plurality of holes;

    wherein the holes are formed in the non-conductive sheet at a time when the non-conductive sheet is not in contact with the metal surface; and

    wherein the non-conductive sheet is not chemically bonded to the metal surface; and

    (b) electroplating metal onto the metal surface with the holes of the non-conductive sheet;

    whereby metal microstructures are produced on the metal surface.

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