Laser-marking film
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United States of America Patent
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Dec 3, 2013
Grant Date -
Apr 18, 2013
app pub date -
Jun 23, 2011
filing date -
Jul 15, 2010
priority date (Note) -
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Abstract
To provide a laser-marking film having a laser-marking ink layer capable of forming vivid images when it is irradiated with a laser beam for forming laser markings. A laser-marking film comprising a base film 1, a white underlying layer 3 formed on the base film 1, and an ink layer 5 for laser marking formed on the underlying layer 3, wherein the ink layer 5 contains, dispersed therein, an iron oxide as a laser beam-absorbing agent in an amount of 0.1 to 30 parts by weight per 100 parts by weight of a resin binder.
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