Method and apparatus for drilling watch jewels or other workpiec

Details Method and apparatus for drilling watch jewels or other workpiec Method and apparatus for drilling watch jewels or other workpiec

1974-03-18

1976-06-08

Truhe, J. V.

Electric heating

Metal heating

By arc

B23K 2700

Patent

active

039625583

ABSTRACT:
In order to drill holes in watch jewels or the like a laser beam is produced having pulses in which successive spikes are formed with a substantially constant period, the first spike being greater in intensity than the subsequent spikes which can have equal or diminishing intensities.

REFERENCES:
patent: 3243724 (1966-03-01), Vuylstete
patent: 3289099 (1966-11-01), Masters
patent: 3297876 (1967-01-01), DeMaria
patent: 3521069 (1970-07-01), DeMaria et al.
patent: 3527198 (1970-09-01), Takaoka
patent: 3546620 (1970-12-01), Erickson et al.
patent: 3577097 (1971-05-01), Hilberg
patent: 3601576 (1971-08-01), Schlafli
patent: 3622739 (1971-11-01), Steffen et al.
patent: 3694768 (1972-09-01), Young
Elektro-Anzeiger; vol. 22, 1969, p. 157.
Umschau, 1970, Issue 3, p. 83.
Proceedings of the IEEE, Feb. 1969, p. 126.
"Laser" by Kleen and Muller edited by Springer-Verlag, 1969, pp. 137-14 154.
"Lasers Light Amplifiers and Oscillators" by Ross 1969, pp. 221-234, 272-322, 347-379, 383- 455.

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