Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent
1993-08-30
1996-05-28
Reinhart, Mark J.
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
B41J 1516
Patent
active
055216285
ABSTRACT:
Laser marking systems (60, 80, 160, 250) having increased part throughput are obtained by disposing diffractive optics (70, 70A, 94, 170, 252) across a primary laser beam. Preferred diffractive optics for high power marking lasers are defined in optical materials with discrete surface levels.
REFERENCES:
patent: 5119454 (1992-06-01), McMahon
patent: 5138176 (1992-08-01), Nishi
patent: 5386221 (1995-01-01), Allen et al.
Lumonics Corporation
Reinhart Mark J.
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