Multiple-line laser writing apparatus and method

Details Multiple-line laser writing apparatus and method Multiple-line laser writing apparatus and method

1994-01-28

1994-12-13

Albritton, C. L.

Electric heating

Metal heating

By arc

21912174, 21912177, 21912182, B23K 2600

Patent

active

053731379

ABSTRACT:
A laser writing apparatus includes a laser light source which directs an expanded beam of laser light onto a two-dimensional phase grating. The phase grating splits the beam into a two-dimensional array of individual bundles of collimated light or beamlets. Each individual row of beamlets is reflected by a single strip mirror toward the surface on which a pattern is to be written. By moving the surface under the beams at a selected angle, multiple parallel lines can be written simultaneously on the surface.

REFERENCES:
patent: 4652722 (1987-03-01), Stone et al.

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