Fluorescence box for gemological applications
US10859505B2 · kind B2 · utility
1Cited by
26References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2018 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | Jan 26, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/0686
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Some examples herein include systems and methods of creating standards of gemstones of various classifications, which may display certain characteristics of the various classifications when excited by ultraviolet radiation and fluoresce in response. In some examples, a set of standards are created using fluorescent material, filters, and a radiation source to compare against a sample gemstone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.