×

Electrolytic capacitor with codeposited noble metal/base metal cathode element and method for making

  • US 5,043,849 A
  • Filed: 10/23/1990
  • Issued: 08/27/1991
  • Est. Priority Date: 04/17/1990
  • Status: Expired due to Term
First Claim
Patent Images

1. An electrolytic capacitor having a volumetric efficiency greater than about 2500 microfarad-volts per cubic centimeter, said capacitor comprising, in cooperative combination, a metal case having at least one open end and having first lead means attached thereto, a noble metal/base metal electrode element codeposited on the interior of said case from a solution of the metal salts including a molar ratio of noble metal ion to base metal ion between about 0.5 and 1.2, an electrolyte substantially filling the case, a second electrode disposed within said case and separated therefrom by an insulating support, said second electrode having second lead means attached thereto, and means for sealing said open end.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×