Taggent flakes for covert security applications having a selected shape
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United States of America Patent
Stats
-
Apr 7, 2015
Grant Date -
May 8, 2014
app pub date -
Jan 9, 2014
filing date -
Sep 13, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A plurality of flakes are provided that can be used in ink or paint wherein the flakes are of a size that requires magnification to see their shape, in the form of polygons, such as squares, triangle or rectangles. A breaking or grinding process is used to break a foil into these shaped flakes and frames or walls are provided within the foil sheet so as to delineate the shapes and these lines provided by frames or walls will facilitate breakage in a preferred manner such that the flakes break into selected shaped polygons. Remnants are typically present along flake edges due to the grinding and breakage process however with magnification, one can see the resultant regular polygonal shape. To clearly see the remnants one requires increased magnification and the remnant itself provides a type of signature. It can be seen as a taggent within a taggent.
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Cited Art Landscape
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