Laser etched security features for identification documents and methods of making same
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United States of America Patent
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Feb 16, 2010
Grant Date -
Aug 16, 2007
app pub date -
Apr 19, 2007
filing date -
Dec 24, 2001
priority date (Note) -
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Abstract
Identification documents employing laser-etched or -engraved features are detailed, together with methods for their manufacture. Tactile effects produced by the laser-processed features may be felt by touch, helping confirm the authenticity of such documents.
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