Surface mount aluminum capacitor having anode foil anodized in an aqueous phosphate solution
US6808615B2 · kind B2 · utility
5Cited by
9References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2002 |
| Grant date | Oct 26, 2004 |
| Priority date | — |
| Expiry date | Dec 11, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G9/045
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Aluminum surface mount capacitors containing one or more anode foil coupons are initially anodized in an aqueous phosphate solution in order to produce an anodic oxide film having extreme resistance to hydration and attack by corrosive anions for the purpose of producing surface mount capacitors at high yield and of high stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.