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Machine translation
1. (WO1996007896) EXAMINING A DIAMOND
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1996/007896    International Application No.:    PCT/GB1995/002093
Publication Date: 14.03.1996 International Filing Date: 05.09.1995
Chapter 2 Demand Filed:    22.02.1996    
IPC:
G01N 21/87 (2006.01)
Applicants: GERSAN ESTABLISHMENT [LI/LI]; Aeulestrasse 5, FL-9490 Vaduz (LI) (For All Designated States Except US).
SMITH, Martin, Phillip [GB/GB]; (GB) (For US Only).
SMITH, James, Gordon, Charters [GB/GB]; (GB) (For US Only).
COOPER, Martin [GB/GB]; (GB) (For US Only).
MARTINEAU, Philip, Maurice [GB/GB]; (GB) (For US Only).
WELBOURN, Christopher, Mark [GB/GB]; (GB) (For US Only)
Inventors: SMITH, Martin, Phillip; (GB).
SMITH, James, Gordon, Charters; (GB).
COOPER, Martin; (GB).
MARTINEAU, Philip, Maurice; (GB).
WELBOURN, Christopher, Mark; (GB)
Agent: LAMB, Martin, John, Carstairs; Marks & Clerk, 57-60 Lincoln's Inn Fields, London WC2A 3LS (GB)
Priority Data:
9418049.4 07.09.1994 GB
Title (EN) EXAMINING A DIAMOND
(FR) EXAMEN D'UN DIAMANT
Abstract: front page image
(EN)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.
(FR)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.
Designated States: AU, CA, JP, KR, US.
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE).
Publication Language: English (EN)
Filing Language: English (EN)