Method and apparatus for applying laser beams to a working surfa

Details Method and apparatus for applying laser beams to a working surfa Method and apparatus for applying laser beams to a working surfa

1994-12-19

1996-12-10

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912166, 2191218, 606 11, B23K 2600

Patent

active

055827527

ABSTRACT:
A method and apparatus applying a laser beam to a working surface, by displacing the laser beam to trace a plurality of circular scans over the working surface; and continuously varying the diameters of the circular scans at a rate to produce a substantially homogenous distribution of the laser energy over the working surface.

REFERENCES:
patent: 3848104 (1974-11-01), Locke
patent: 4266548 (1981-05-01), Davi
patent: 4665913 (1987-05-01), L'Esperance, Jr.
patent: 4733660 (1988-03-01), Itzkan
patent: 4780590 (1988-10-01), Griner et al.
patent: 5364391 (1994-11-01), Konwitz
patent: 5411502 (1995-05-01), Zair, et al.
patent: 5484980 (1996-01-01), Pratt et al.

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