Method of making a cathode from tungsten and aluminum powders
US4872864A · kind A · utility
2Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 1989 |
| Grant date | Oct 10, 1989 |
| Priority date | — |
| Expiry date | Feb 23, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J9/047
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cathode is made from a mixture of tungsten and aluminum powders.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.