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Solid electrolytic capacitor

  • US 4,780,796 A
  • Filed: 12/28/1987
  • Issued: 10/25/1988
  • Est. Priority Date: 01/13/1987
  • Status: Expired due to Term
First Claim
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1. A solid electrolytic capacitor having excellent characteristics in terms of both electrical properties and thermal stability comprising, in combination, an electrode having an adherent dielectric oxide coating thereon and a solid electrolyte comprising an electrically conductive polymer layer (I) formed by a chemical oxidation method comprising contacting a monomer with an oxidizing agent and an electrically conductive polymer layer (II) formed on the electrically conductive polymer layer (I) by an electrochemical oxidation method.

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