Method and an apparatus for testing whether a diamond has a layer of synthetic diamond deposited thereon
US5811824A · kind A · utility
14Cited by
6References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1996 |
| Grant date | Sep 22, 1998 |
| Priority date | — |
| Expiry date | Sep 23, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/87
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In order to test whether a diamond 2 comprises synthetic diamond material, a plurality of different zones of the diamond 2 are irradiated with radiation substantially of wavelength substantially 230 nm to 320 nm, an image or reading of the radiation transmitted by each zone of the diamond 2 being produced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.