Method for inhibiting oxidation of a copper film on ceramic body
US4508756A · kind A · utility
15Cited by
14References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1982 |
| Grant date | Apr 2, 1985 |
| Priority date | — |
| Expiry date | Jun 17, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K3/282
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for inhibiting oxidation of copper electrodes of a ceramic capacitor, comprising the step of subjecting copper films formed by an electroless plating process or the like and serving as opposed electrodes of a ceramic capacitor to a hydrocarbon halide compound including trichloroethylene, perchloroethylene, freon, chlorobenzene, methyl chloride, methylene chloride, chloroform, carbon tetrachloride, or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.