Alex Balter

US Patent:

20190234886, Aug 1, 2019

Filed:

Jan 26, 2018

Appl. No.:

15/881583

Inventors:

- Carlsbad CA, US
Wuyi Wang - Edison NJ, US
Alex Balter - Carlsbad CA, US
Christopher M. Breeding - San Diego CA, US

International Classification:

G01N 21/88
G01N 21/87
G01N 21/64

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.