Liquid silicon casting control mechanism
US4162291A · kind A · utility
8Cited by
10References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1977 |
| Grant date | Jul 24, 1979 |
| Priority date | — |
| Expiry date | Oct 12, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B33/033
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A liquid silicon casting control mechanism characterized by means for producing liquid elemental silicon and comprising a collecting vessel having a tap hole therein for periodically removing liquid silicon in a controlled manner, and comprising a tubular constricted opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.