Composite aluminum capacitor foil
US4214041A · kind A · utility
4Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1978 |
| Grant date | Jul 22, 1980 |
| Priority date | — |
| Expiry date | Dec 1, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12764
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A composite aluminum base alloy foil is described which is particularly useful as foil material in electrical capacitors. The composite is based on the use of a relatively lower purity, inexpensive core material clad on both sides with a relatively higher purity, more expensive cladding material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.