Surface mount aluminum capacitor having anode foil anodized in an aqueous phosphate solution
US6459565B1 · kind B1 · utility
15Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2001 |
| Grant date | Oct 1, 2002 |
| Priority date | — |
| Expiry date | Jun 26, 2021 |
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.