Patent · US Expired

Solid electrolyte capacitor

US4864472A · kind A · utility

51Cited by
4References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 30, 1988
Grant dateSep 5, 1989
Priority date
Expiry dateMar 30, 2008

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01G9/025
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A solid electrolytic capacitor uses a solid electrolyte wherein manganese dioxide is uniformly diffused in a polymer made by electrochemical polymerization, and the solid electrolyte is disposed between a first electrode made of valve metal and having an anodic oxide film thereon and a second electrode opposite to the first electrode. The solid electrolytic capacitor shows splendid high frequency characteristics and small leakage current.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.