Method for producing a data carrier
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United States of America Patent
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Apr 16, 2013
Grant Date -
Sep 18, 2008
app pub date -
Oct 6, 2006
filing date -
Oct 12, 2005
priority date (Note) -
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Abstract
In order to produce a data carrier, a substrate is printed with a printing ink and personalized by means of a laser. The printing ink is laser-active and is converted at least in regions during the personalization in such a way that, for example, a silver-grade pigment is formed which is readily visible only when the substrate is inclined. In particular, the printing ink has a comparatively small proportion of carbon black that is converted by the laser essentially without disturbing combustion and overall formation.
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