Laser method of scribing graphics
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United States of America Patent
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Jun 26, 2001
Grant Date -
N/A
app pub date -
Sep 7, 1999
filing date -
Oct 11, 1996
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Abstract
A laser method scribes graphics on materials. The method relates to the identification and understanding of a new energy measurement called energy density per unit time, and the identification and simultaneous control of the laser operating parameters which influence this energy measurement. Once a range of energy density per unit time is determined for scribing a desired graphic on a given material, the energy density per unit time can be controlled to stay within that range to achieve desired results in a repeatable fashion. In a preferred embodiment, the invention relates to a method of scribing graphics on fabric, leather and vinyl materials. In this embodiment, the energy density per unit time can be controlled to substantially avoid complete carbonization, melting and/or burnthrough of the material.
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