Multi-layer laser transfer film for the permanent labeling of components
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United States of America Patent
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Dec 25, 2007
Grant Date -
Oct 6, 2005
app pub date -
Feb 25, 2003
filing date -
Mar 23, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a multi-layer laser transfer film for the permanent labeling of components, comprising at least one support layer, whereby a first adhesive layer is at least partly provided on the underside of the support layer, characterised in that on the side of the support layer for the laser transfer film on which the first adhesive layer is provided, at least two pigment layers containing a laser-sensitive pigment are at least partly provided, whereby the concentration of the laser-sensitive pigment in the pigment layers varies.
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