Single crystal ingot, apparatus and method for manufacturing the same
US9534314B2 · kind B2 · utility
1Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2013 |
| Grant date | Jan 3, 2017 |
| Priority date | — |
| Expiry date | Apr 9, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2976
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Disclosed is a single-crystal ingot manufacturing apparatus, which includes a crucible in which a melt is accommodated, a heater configured to heat the crucible, a heat shield member configured to shield radiant heat from the heater and the melt, and a neck cover configured to encompass a seed crystal unit above the crucible with being introduced into an opening of the heat shield member, the radiant heat being not shielded in the opening, the neck cover being vertically moved in linkage to vertical movement of the seed crystal unit within a predetermined range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.