Method for enhancing the toughness of manufactured diamond
US5523071A · kind A · utility
6Cited by
5References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1995 |
| Grant date | Jun 4, 1996 |
| Priority date | — |
| Expiry date | Mar 31, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2203/069
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The purity and toughness of a batch of diamond grains is increased by separating a portion containing undesirable inclusions form a remaining higher purity portion and annealing the higher purity portion in a reducing atmosphere for a sufficient period of time to enhance the toughness of the higher purity portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.