Electric heating – Metal heating – By arc
Patent
1984-05-01
1987-04-14
Albritton, C. L.
Electric heating
Metal heating
By arc
219121LD, 219121EC, 219121FS, B23K 2600
Patent
active
046581103
ABSTRACT:
A laser beam is used to weld two or more overlapping layers of metal together. The beam is applied through tubular clamping elements which engage and squeeze the metal layers to be welded. By inserting an inert gas within the tubular elements, an oxygen-free weld zone may be obtained. The laser beam is deflected to create a substantially spiral-shaped weld pattern.
REFERENCES:
patent: 3437785 (1969-04-01), Sciaky
patent: 3623129 (1971-11-01), Miles
patent: 4263496 (1981-04-01), Medlar
patent: 4461947 (1984-07-01), Ward
H. R. Heidary, et al, Optics and Laser Technology, "Microprocessor-Controlled Laser Scanning System for Annealing of Semiconductors", vol. 13, No. 5, pp. 265-269, Oct. 1981.
Bazan Mary
Bessette Gerard E.
Miller Jule A.
Albritton C. L.
Avco Corporation
Frederick M. E.
Gelling Ralph D.
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