Patents Represented by Law Firm Bachman & LaPointe Bachman & LaPointe
  • Cathode foil for electrolytic capacitors
    Patent number: 5030416
    Abstract: An aluminum alloy that is suitable as material for cathode foils in electrolytic capacitors comprises0.9 to 1.7% iron0.1 to 0.8% manganesemax. 0.15% siliconmax. 0.3% copper,the remainder being aluminum with further trace elements, individually <0.05%, in total <0.15%, and the total iron and manganese content amounting to at most 1.9%.
    Type: Grant
    Filed: September 19, 1989
    Date of Patent: July 9, 1991
    Assignees: Swiss Aluminium Ltd., Swiss Aluminium Ltd.
    Inventors: Martin Werner, Margarete Bloeck, Heinz Bichsel