Detecting diamonds in a rock sample
US5603414A · kind A · utility
8Cited by
6References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1995 |
| Grant date | Feb 18, 1997 |
| Priority date | — |
| Expiry date | Jan 25, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N23/083
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In order to provide secure and simple detection of diamonds when prospecting, a rock sample is reduced to powder particles which are automatically checked to see if they contain diamond particles (30) by processing an image of X-radiation transmitted through a layer of the particles. The image may be processed by comparing it with a further image of visible light transmitted by the layer of particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.