Laser marking on a coated substrate
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United States of America Patent
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app pub date -
Mar 21, 2001
filing date -
Mar 21, 2001
priority date (Note) -
Abandoned
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Abstract
A method of utilizing laser energy to mark on a coated substrate is disclosed, wherein the coating is dried at a temperature below that necessary to permanently affix the coating to the substrate prior to the coated substrate being exposed to said laser energy. The dried coating is selectively removed by the laser energy in precise patterns that can be quickly and widely varied. The method of the present invention can be incorporated as a component of time-critical manufacturing processes.
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