Gemstones formed of silicon carbide with diamond coating
US5882786A · kind A · utility
243Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 1996 |
| Grant date | Mar 16, 1999 |
| Priority date | — |
| Expiry date | Nov 15, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Synthetic gemstones are produced by growing single crystals of silicon carbide, fashioning the silicon carbide into gemstone cores, and thereafter depositing a thin coating of diamond on the core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.