Ingot puller apparatus having silicon feed tubes with kick plates
US12428750B2 · kind B2 · utility
0Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2023 |
| Grant date | Sep 30, 2025 |
| Priority date | — |
| Expiry date | May 10, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC30B15/20
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Ingot puller apparatus that include a silicon feed tube for adding solid silicon to a crucible assembly are disclosed. The silicon feed tubes include a conduit portion having an inner diameter and a kick plate disposed below the conduit portion. The kick plate extends across at least 60% of the inner diameter of the conduit portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.