Examining a diamond

Details Examining a diamond Examining a diamond

G - Physics

01

N

G01N 21/87 (2006.01)

Patent

CA 2199359

In order to test whether a diamond (4) has had a layer of synthetic diamond deposited thereon, the surface area of the natural part of the stone is measured by measuring the radiant-flux density of radiation substantially of wavelength 230 nm to 320 nm in an integrating sphere (2) containing the diamond. This is compared to the total surface area of the diamond.

Afin de vérifier si une couche en diamant synthétique a été déposée sur un diamant (4), on contrôle la surface de la partie naturelle de la pierre en mesurant la densité du flux énergétique d'un rayonnement, dont la longueur d'ondes se situe entre 230 nm et 320 nm environ, dans une sphère (2) contenant le diamant. On compare ensuite cette mesure à la surface totale du diamant.

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