Security document and a method for producing it
First Claim
1. In a security document having a security element in the form of a thread or film consisting of a substrate of plastic, said substrate including at least one electrically conductive metallic coating and at least one magnetic coating which is recognizable by machine, the improvement wherein said metallic coating includes recesses in the form of characters or patterns that are visually recognizable at least in transmitted light, and wherein said magnetic coating contains soft-magnetic pigments disposed at least in partial areas of said security element, and wherein said metallic and magnetic coatings are positioned one above the other.
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Accused Products
Abstract
A security element for use in a security document such as a bank note, identity card or the like includes at least a partial metallic coating on a substrate and wherein the metallic coating includes recesses in the forms of characters or patterns that are visually recognizable at least in transmitted light and a magnetic coating of soft-magnetic pigments disposed in overlying relationship with the metallic coating. A security document containing the security element is also described. Various arrangements of metallic and magnetic coatings and a method of producing the security element are also described,
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Citations
14 Claims
- 1. In a security document having a security element in the form of a thread or film consisting of a substrate of plastic, said substrate including at least one electrically conductive metallic coating and at least one magnetic coating which is recognizable by machine, the improvement wherein said metallic coating includes recesses in the form of characters or patterns that are visually recognizable at least in transmitted light, and wherein said magnetic coating contains soft-magnetic pigments disposed at least in partial areas of said security element, and wherein said metallic and magnetic coatings are positioned one above the other.
- 6. A security element for use within a security document, said security element comprising a substrate of plastic comprising at least one electrically conductive metallic coating and at least one magnetic coating which is recognizable by machine, the improvement wherein said metallic coating includes recesses in the form of characters or patterns which are visually recognizable at least in transmitted light, and wherein said magnetic coating contains soft-magnetic pigments disposed at least in partial areas of said security elements, and wherein said metallic and magnetic coatings are positioned one above the other.
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11. A method for producing a security document such as a banknote, identity card or the like, having a security element comprising a substrate of plastic having at least one electrically conductive metallic coating and at least one magnetic coating which is recognizable by machine, comprising the steps of:
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a) providing a carrier film with at least a partial metallic coating comprising recesses in the form of characters or patterns that are visually recognizable at least in transmitted light; b) applying above said metallic coating a magnetic coating in at least partial areas thereof, said magnetic coating containing soft-magnetic pigments; c) cutting said film into a security element of predetermined form; and d) embedding said security element in said security document. - View Dependent Claims (12)
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13. A method for producing a security element for use within a security document, said security element comprising a substrate of plastic comprising at least one electrically conductive metallic coating and at least one magnetic coating which is recognizable by machine, comprising the steps of:
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a) providing a carrier film with at least a partial metallic coating, said metallic coating being provided with recesses in the form of characters or patterns that are visually recognizable at least in transmitted light; b) applying above said metallic coating a magnetic coating in at least partial areas thereof, said magnetic coating containing soft-magnetic pigments; c) cutting said film into security elements of predetermined form. - View Dependent Claims (14)
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Specification