SECURITY ELEMENT WITH PATTERN AND DOUBLE-SIDED HOLOGRAPHIC EFFECT
A security element is described includes a transparent first layer having a holographic surface structure, a first metal layer arranged on the first layer in a first pattern having transparent and non-transparent regions and a holographic surface structure, a second layer having a second holographic...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A security element is described includes a transparent first layer having a holographic surface structure, a first metal layer arranged on the first layer in a first pattern having transparent and non-transparent regions and a holographic surface structure, a second layer having a second holographic surface structure, and a second metal layer arranged on the second layer in a second pattern having transparent and non-transparent regions and a holographic surface structure. The, transparent regions of the first metal layer and the second metal layer are arranged to at least partly overlap each other and the non-transparent regions of the metal layers develop holographic effects on both sides of the security element which effects may be different. A process is described for making the security element, wherein an embossable radiation-sensitive polymer material is used to form the second layer. |
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