Solid electrolytic capacitor and its manufacturing method
US8614879B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2011 |
| Grant date | Dec 24, 2013 |
| Priority date | — |
| Expiry date | Apr 6, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G9/15
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A solid electrolytic capacitor according to an aspect of the present invention includes an anode conductor including a porous valve metal body, a dielectric layer formed on a surface of the anode conductor, and a solid electrolyte layer including a conductive polymer layer formed on a surface of the dielectric layer, in which the solid electrolyte layer includes a first solid electrolyte layer formed on a surface of the dielectric layer, and a second solid electrolyte layer formed on a surface of the first solid electrolyte layer, and at least one continuous or discontinuous layer containing an amine compound exists between the first and second solid electrolyte layers, and inside the second solid electrolyte layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.