Security element comprising magnetic materials having the same remanence and a different coercive field intensity
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United States of America Patent
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Oct 1, 2013
Grant Date -
Jan 8, 2009
app pub date -
Oct 11, 2005
filing date -
Oct 14, 2004
priority date (Note) -
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Abstract
The invention relates to a security element for protecting documents of value, which has magnetic material. Furthermore, the invention relates to a document of value, a transfer material and method for producing such security elements and documents of value as well as a method and an apparatus for checking such a security element or document of value.
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