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Iridium oxide coated electrodes for neural stimulation

  • US 4,677,989 A
  • Filed: 02/06/1986
  • Issued: 07/07/1987
  • Est. Priority Date: 02/06/1986
  • Status: Expired due to Term
First Claim
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1. A metallic electrode for injecting charge into biological tissue with controlled electrical pulses comprising,a metallic electrode that is made of a metal that is predominantly different from iridium having a metallic surface,said metallic surface being coated with an irdinium oxide coating sufficiently thick to significantly reduce corrosion and significantly increase charge capacity while being sufficiently thin to allow charge to flow between said metallic surface and biological tissue separated from said metallic surface by said iridium oxide coating.

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