G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 23/20 (2006.01) G01N 23/201 (2006.01) G01N 23/202 (2006.01)
Patent
CA 2244872
The invention concerns a method of identifying a randomly oriented crystal (12). The crystal is irradiated with an X-ray or neutron beam and a Laue spot diffraction pattern is obtained. A transform, typically a radial arctangenttransform, is then performed on the Laue spot diffraction pattern in order to produce a transformed image in which distortions in the Laue spot diffraction pattern are reduced. A determination is then made as to whether the transformed image is characteristic of a particular crystal.
Cette invention concerne une méthode d'identification de cristal orienté aléatoirement (12). En irradiant ce cristal de faisceaux de rayons X et de faisceaux de neutrons, on obtient un diagramme de diffraction à taches de Laue. On utilise alors une transformée, habituellement une transformée à arc-tangente radiale, pour obtenir à partir de ce diagramme une image transformée offrant moins de distorsions que le diagramme. On détermine alors si l'image transformée caractérise un cristal particulier.
de Beers Consolidated Mines Limited
Gowling Lafleur Henderson Llp
LandOfFree
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