Security element for electronic article surveillance and method of manufacturing a security element
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United States of America Patent
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May 28, 2002
Grant Date -
N/A
app pub date -
Nov 29, 1999
filing date -
Dec 14, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a security element for electronic article surveillance, having one lower and one upper conducting track with at least one winding each, the two conducting tracks being wound in opposing directions and overlapping in at least one area of overlap, and a dielectric layer in the area of overlap between the two conducting tracks. In a critical area in which a border edge of the lower and upper conducting tracks overlap, the dielectric layer is thicker than in the remaining area of overlap. The present invention also relates to a method of manufacturing such a security element.
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