Methods and apparatuses for manufacturing cast silicon from seed crystals
US8440157B2 · kind B2 · utility
5Cited by
53References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2008 |
| Grant date | May 14, 2013 |
| Priority date | — |
| Expiry date | Jan 24, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12528
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Methods and apparatuses are provided for casting silicon for photovoltaic cells and other applications. With these methods, an ingot can be grown that is low in carbon and whose crystal growth is controlled to increase the cross-sectional area of seeded material during casting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.