High contrast surface marking
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 13, 2000
Grant Date -
N/A
app pub date -
Sep 8, 1997
filing date -
Sep 8, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A method of laser marking metals, plastics, ceramic materials, glazes, glass ceramics, and glasses of any desired form, which comprises applying to the material to be marked a variable thickness layer of marking material containing energy absorbing enhancers then irradiating said layer with a laser or diode based energy source such that the radiation is directed onto said layer in accordance with the form of the marking to be applied, and using a laser or diode based energy source of a wavelength which is sufficiently absorbed by the marking material so as to create a bonding of the marking material to the surface of the workpiece at the irradiated areas.
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