Working gemstones

Details Working gemstones Working gemstones

1981-05-18

1983-08-30

Albritton, C. L.

Electric heating

Metal heating

By arc

125 30R, 125 39, 219121LH, 219121LZ, B23K 2700

Patent

active

044018762

ABSTRACT:
In order to provide a better way of kerfing a gemstone such as a diamond, a high energy, high pulse rate, low order mode, laser beam is employed to cut the kerf. Apparatus for kerfing a gemstone can in general comprise a laser, reflecting means which bends the incident beam through a substantial angle and which is moveable substantially parallel to the axis of the incident beam, and a focusing arrangement which focuses the beam on the gemstone.

REFERENCES:
patent: 3440388 (1969-04-01), Otstot et al.
patent: 3527198 (1970-09-01), Takaoka
patent: 3700850 (1972-10-01), Lumley et al.
Laser Institute of America, "Guide for Material Processing by Lasers" 1978.
"Industrial Diamond Review", Mar. 1980, pp. 90 and 91.
"Laser Application Notes", vol. 1, No. 1 of Feb. 1979.
"New Hyperyag", on Model DLPY 4-System 2000 Yag Laser.
"Diamonds": N.A.G. Press LTD, Chapter Eleven, pp. 235, 239-242.

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