Process allowing an inscription to be etched on a precious stone

摘要

The invention relates to a process allowing an inscription to be made on any surface of a stone (1) that has a belt (5), a table (6) and facets (7), using a laser beam, characterised in that said stone is anchored to a support (2) forming part of a table (3) which may be displaced along axes X and Y, the stone being presented to the laser beam with the aforementioned surface placed facing the laser beam, means being provided to displace the focal point of the laser beam in a plane Z in order to make it coincide at all times with the stone surface and so as to displace the table along the axes X and Y.IMAGE