Production of a polycrystalline silicon aluminum alloy by a hot pressing technique
US4402905A · kind A · utility
5Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 1982 |
| Grant date | Sep 6, 1983 |
| Priority date | — |
| Expiry date | Mar 5, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/645
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention is directed to a process for preparing a body of polycrystalline silicon doped with aluminum comprising melting a mixture of silicon powder and aluminum powder, rapidly quenching the melt, grinding the solidified silicon-aluminum alloy and hot pressing to form a compact.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.