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Direct patterning of metals over a thermally inefficient surface using a laser

  • US 5,104,480 A
  • Filed: 10/12/1990
  • Issued: 04/14/1992
  • Est. Priority Date: 10/12/1990
  • Status: Expired due to Term
First Claim
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1. A method of producing a desired metal pattern on a surface of a thermally inefficient substrate comprising:

  • depositing a layer of a first metal on said substrate;

    depositing a layer of a second, ultraviolet light absorbing metal on said first metal;

    exposing said second metal to intense ultraviolet light in accordance with said desired pattern to reactively ablate said first and second metals from said substrate together.

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