Method of orienting seed crystals in a melt, and product obtained thereby
US4096025A · kind A · utility
9Cited by
9References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 1975 |
| Grant date | Jun 20, 1978 |
| Priority date | — |
| Expiry date | Jun 23, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S117/902
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method for the production of improved, transparent single crystals having a corundum structure under conditions of minimum thermal strain, comprising the optimum orientation of growth planes of a seed crystal in a melt substantially parallel to the vertical side wall means of a crucible, and heating and subsequent cooling the melt, thereby nucleating on the seed crystal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.