Sapphire sheets and apparatus and method for producing sapphire sheets with angled heat shields
US9551089B2 · kind B2 · utility
2Cited by
13References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2014 |
| Grant date | Jan 24, 2017 |
| Priority date | — |
| Expiry date | Nov 6, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2976
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present disclosure is directed to an apparatus and method for growing a sapphire sheet via edge-defined film-fed growth (EFG) including an angled heat shield with respect to the a side surface of a die tip. The present disclosure is further directed to an sapphire sheets and batches of such sheets having features such as a particular maximum low spot thickness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.