Solid electrolytic capacitor and method for manufacturing same
US7154743B2 · kind B2 · utility
9Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2003 |
| Grant date | Dec 26, 2006 |
| Priority date | — |
| Expiry date | Dec 3, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G9/042
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A solid electrolytic capacitor comprises an anode formed of at least one metal selected from tantalum, niobium, titanium and tungsten, and a dielectric layer, an electrolytic layer and a cathode disposed on the anode, wherein the cathode comprises a mixed layer containing a first material consisting of silver particles having an average particle diameter (median diameter) of not less than 2 μm, a second material consisting of conducting carbon particles and/or silver particles having an average particle diameter (median diameter) of 1 μm or less and a binding agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.