Method and apparatus for placing identifying indicia on the surf

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

1980-12-23

1983-07-12

Whitehead, Harold D.

Stone working

Precious stone working

63 32, 219121L, B28D 500

Patent

active

043924760

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.

REFERENCES:
patent: 2293100 (1942-08-01), Baumgold
patent: 2332574 (1943-10-01), Hopp
patent: 3627858 (1971-12-01), Parts
patent: 4056952 (1977-11-01), Okuda
patent: 4143544 (1979-03-01), DeVries et al.
patent: 4156124 (1979-05-01), Macken
Optics and Laser Technology, "Printing of Part Numbers using High Power Laser Beam", pp. 256-265, Dec. 1973.

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