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Method of making implantable stimulation electrodes

  • US 5,654,030 A
  • Filed: 02/07/1995
  • Issued: 08/05/1997
  • Est. Priority Date: 02/07/1995
  • Status: Expired due to Term
First Claim
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1. A method of manufacturing an implantable stimulation electrode, comprising:

  • removing substantially all native metal oxide from a metal surface further comprising a metal selected from the group consisting of valve metals or their alloys in order to create an electrically-accessible area;

    enhancing said electrically-accessible area to create a first enhanced surface area;

    further enhancing said first enhanced surface area to create a second enhanced surface area, wherein said second enhanced surface area has greater electrically-accessible surface area than does said first enhanced surface and,applying lastly a non-native coating upon said second enhanced surface area comprising a mixture of at least three metal oxides selected from the group consisting of oxides of ruthenium, iridium, titanium, and tantalum.

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