Apparatus for directional solidification of silicon including a refractory material
US8562740B2 · kind B2 · utility
2Cited by
1References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2010 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | May 13, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T117/1092
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention relates to an apparatus and method for purifying silicon using directional solidification. The apparatus can be used more than once for the directional solidification of silicon without failure. The apparatus and method of the present invention can be used to make silicon crystals for use in solar cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.