Methods and apparatuses for manufacturing cast silicon from seed crystals
US8871169B2 · kind B2 · utility
1Cited by
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11Claims
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Key dates
| Filing date | Oct 18, 2013 |
| Grant date | Oct 28, 2014 |
| Priority date | — |
| Expiry date | Oct 18, 2033 |
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.