Laser marking system and laser marking method
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United States of America Patent
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Oct 13, 1998
Grant Date -
N/A
app pub date -
Aug 28, 1995
filing date -
Jan 29, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A laser marking system and method with a laser oscillator generating a laser beam that is scanned in a single direction onto a mask (such as a liquid crystal) that displays sequentially a plurality of divided pattern blocks, and a second deflector that deflects the scanned laser beams onto corresponding portions of the surface of a workpiece so as to mark on the surface of the workpiece a combination of the divided pattern blocks . In another embodiment a plurality of masks and a second optical system for combining the beams from the masks can be used to create the mark. The system can be used with a conveyor and a loading and unloading unit using a controller.
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