HUECK FOLIEN GES. M.B.H.
HUECK FOLIEN GES. M.B.H. Patent applications | ||
Patent application number | Title | Published |
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20110316269 | SECURITY ELEMENT - The invention relates to a security element comprising a transparent carrier substrate and a color-changing element made of a layer reflecting electromagnetic waves, a spacing layer, and a layer in the form of metal clusters, characterized in that the layer reflecting the electromagnetic waves is applied to the transparent carrier substrate partially as a line raster and partially as a contiguous layer made of one or more different metals. | 12-29-2011 |