Luminescence measurements in diamond
US10345245B2 · kind B2 · utility
0Cited by
3References
19Claims
0Family size
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Key dates
| Filing date | Aug 21, 2018 |
| Grant date | Jul 9, 2019 |
| Priority date | — |
| Expiry date | Aug 21, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/64
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of and an apparatus for providing an indicator for a diamond as to whether it is natural by testing for the presence or absence of one or more specific markers in the luminescence properties of the diamond, These markers are characterized by luminescence decay time and luminescence wavelength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.