Method and apparatus for forming polycrystalline particles
US6245280A · kind A · utility
18Cited by
7References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1999 |
| Grant date | Jun 12, 2001 |
| Priority date | — |
| Expiry date | Jun 21, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B7/185
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for forming polycrystalline particles by gas phase condensation employing arc plasma evaporation. The disclosed method and apparatus may be employed to form polycrystalline particles from high-melting temperature, low evaporation pressure materials such as transition metals. Arc discharge is sustained by the evaporated species, therefore, there is no need for a plasma sustaining gas. Evaporation may be sustained from either the cathode or anode. A reaction gas may be provided to form products with the evaporated species.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.