Laser ablation apparatus and method

Details Laser ablation apparatus and method Laser ablation apparatus and method

1994-12-19

1996-02-13

Walberg, Teresa J.

Electric heating

Metal heating

By arc

21912168, 21912183, 21912173, 359230, B23K 2606

Patent

active

054913195

ABSTRACT:
A laser ablation apparatus and method removes undesired portions of a workpiece. An industrial laser generates a beam of optical energy and directs the beam at the workpiece. A mechanism in the path of the beam for shapes the cross-section of the beam and includes first and second linear actuators on opposite sides of the beam path. Each of the actuators includes a plurality of linear members, with each linear member being adjacent to and in contact with another linear member, and means for individually inserting and retracting each of said members into and out of said beam path a desired distance to thereby shape the beam so as to ablate only undesired portions of the workpiece.

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patent: 5219344 (1993-06-01), Yoder, Jr.
patent: 5284477 (1994-02-01), Hanna et al.

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