Method and apparatus for placing identifying indicia on the...

Details Method and apparatus for placing identifying indicia on the... Method and apparatus for placing identifying indicia on the...

B - Operations, Transporting

23

K

327/1.4

B23K 26/00 (2006.01) B28D 5/00 (2006.01) B44B 7/00 (2006.01) G09F 3/00 (2006.01)

Patent

CA 1181491

ABSTRACT A practice for applying indicia to the surface of a precious stone wherein a source of laser energy is directed at the stone surface and controlled to inscribe the surface with the desired indicia. The method includes intermittently moving said laser beam to successive positions on said diamond surface along a path corresponding to said indicium, said beam at each position covering a diamond surface area overlapping the diamond surface area covered by the beam at the immediately preceding position on said indicium; and adjusting the laser beam power to graphitize and inscribe said diamond surface at each of said positions. Apparatus is also provided for this method, in accordance with the present disclosure.

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