EP2159071B2 - Safety element which can be verified without an aid - Google Patents

Safety element which can be verified without an aid Download PDF

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Publication number
EP2159071B2
EP2159071B2 EP08014968.5A EP08014968A EP2159071B2 EP 2159071 B2 EP2159071 B2 EP 2159071B2 EP 08014968 A EP08014968 A EP 08014968A EP 2159071 B2 EP2159071 B2 EP 2159071B2
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EP
European Patent Office
Prior art keywords
layer
security element
packaging
electromagnetic waves
valuable document
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Application number
EP08014968.5A
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German (de)
French (fr)
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EP2159071B1 (en
EP2159071A1 (en
Inventor
Matthias Dipl.Sozialpäd. Müller
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Hueck Folien GmbH
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Hueck Folien GmbH
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Application filed by Hueck Folien GmbH filed Critical Hueck Folien GmbH
Priority to ES08014968.5T priority Critical patent/ES2559858T3/en
Priority to EP08014968.5A priority patent/EP2159071B2/en
Priority to MYPI2011000806A priority patent/MY165989A/en
Priority to CA2735030A priority patent/CA2735030C/en
Priority to US13/002,368 priority patent/US20110316269A1/en
Priority to PCT/EP2009/004864 priority patent/WO2010025787A2/en
Priority to BRPI0918881-9A priority patent/BRPI0918881B1/en
Publication of EP2159071A1 publication Critical patent/EP2159071A1/en
Publication of EP2159071B1 publication Critical patent/EP2159071B1/en
Publication of EP2159071B2 publication Critical patent/EP2159071B2/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/337—Guilloche patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/351—Translucent or partly translucent parts, e.g. windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/373—Metallic materials
    • B42D2033/10—
    • B42D2033/18—
    • B42D2035/16—
    • B42D2035/24—

Definitions

  • the invention relates to a security element that can be verified without tools.
  • WO 2004/014663 A is a process for the production of counterfeit-proof identification features consisting of at least one layer reflecting electromagnetic waves, a spacer layer and a layer formed by metallic clusters, whereby a layer reflecting electromagnetic waves on a partial or full surface and then one or more partial and/or full-surface layers are applied to a carrier substrate polymeric layers of defined thickness are applied, whereupon a layer formed from metallic clusters, which is produced by means of a vacuum technology process or from solvent-based systems, is applied to the spacer layer.
  • the identification feature shows different colors or color effects depending on the viewing angle.
  • the object of the invention was to provide a security element that can be easily and reliably verified at any time by untrained persons without technical aids and still ensures a very high level of protection against forgery.
  • the subject matter of the invention is therefore a security element having a transparent carrier substrate and a color change element consisting of a layer that reflects electromagnetic waves, a spacer layer and a layer formed from metallic clusters, the layer reflecting electromagnetic waves being at least partially on the transparent carrier substrate as a line grid and partially as a full-area layer of one or more dissimilar metals as defined in claim 1.
  • the carrier foils preferably have a thickness of 5-700 ⁇ m, preferably 5-200 ⁇ m, particularly preferably 5-50 ⁇ m.
  • the color change element is preferably an analog WO 2004/014663 A manufactured element consisting of an electromagnetic wave reflecting layer, a spacer layer and metallic cluster layer.
  • the layer reflecting electromagnetic waves consists of one or more different metals such as aluminum, gold, chromium, silver, copper, tin, platinum, nickel, palladium, titanium and their alloys, e.g. nickel/chromium, copper/aluminum and the like.
  • the layer that reflects electromagnetic waves is applied at least partially in the form of a line grid, for example in the form of letters, characters, guilloches, patterns, symbols and the like, with the metallization appearing translucent in this area.
  • the grid has about 40-200, preferably 60-120, particularly preferably 70-90 l/cm.
  • the metallization is applied over the entire surface and is therefore opaque.
  • the fully metallized areas can consist of the same metal or of 2 or more different metals.
  • the layer that reflects electromagnetic waves can be applied in certain areas in the form of a line grid or in the other areas over the entire surface using known methods such as spraying, vapor deposition, sputtering, printing (gravure, flexo, screen, digital printing), varnishing, roller application methods, or Metallization and subsequent demetallization processes and the like can be applied.
  • the subsequent polymer layer or layers can also be applied over the whole area or partially.
  • the polymer layers consist, for example, of paint or lacquer systems based on nitrocellulose, epoxy, polyester, rosin, acrylate, alkyd, melamine, PVA, PVC, isocyanate or urethane systems.
  • This polymeric layer essentially serves as a transparent spacer layer.
  • the polymeric layer can be applied by any desired coating method such as brushing, painting, pouring, spraying, printing (screen printing, gravure printing, flexographic printing, or digital printing methods) or roller application methods.
  • a layer formed from metallic clusters is then applied to the polymeric layer.
  • the metallic clusters can consist, for example, of aluminum, gold, palladium, platinum, chromium, silver, copper, nickel and the like or their alloys, such as Au/Pd or Cr/Ni.
  • This cluster layer can be applied by sputtering (for example ion beam or magnetron) or evaporation (electron beam or thermally) from a solution or by adsorption.
  • the color change is also visible in the areas in which the layer reflecting electromagnetic waves is in the form of a grid. In transmitted light, however, a contrast can be seen in this area and the patterns, grids, letters, characters, symbols and the like become visible.
  • This provides a security element that can be verified easily, quickly and reliably under any lighting conditions, even by untrained people. At the same time, due to the complexity of the layer structure, the security element can hardly be forged.
  • a diffractive layer can also be present on the carrier substrate, which can preferably be embossed in a radiation-curable lacquer.
  • the radiation-curable lacquer can, for example, be a radiation-curable lacquer system based on a polyester, an epoxy or polyurethane system which contains 2 or more different photoinitiators familiar to the person skilled in the art, which can initiate curing of the lacquer system to different extents at different wavelengths.
  • one photoinitiator can be activated at a wavelength of 200 to 400 nm, and the second photoinitiator can then be activated at a wavelength of 370 to 600 nm.
  • the range in which the second photoinitiator is excited should be in the transmission wavelength range of the carrier substrate used.
  • E-beam radiation can also be used for the main cure (activation of the second photoinitiator).
  • a water-dilutable lacquer can also be used as the radiation-curable lacquer. Polyester-based paint systems are preferred.
  • the surface structure is molded, for example, at a controlled temperature using a matrix or using an embossing mold in the radiation-curable lacquer layer, which has been pre-cured to the gel point by activation of the first photoinitiator and is at this stage at the time of molding. If a water-dilutable, radiation-curable lacquer is used, pre-drying can optionally be carried out beforehand, for example using IR radiators.
  • the security element according to the invention can therefore be used as a security feature in data carriers, in particular documents of value such as ID cards, cards, banknotes or labels, seals and the like, but also in packaging materials for sensitive goods, if appropriate after appropriate packaging (e.g. into threads, tapes, strips, patches or other formats). , such as pharmaceuticals, cosmetics, data carriers, electronic components and the like are used.
  • the security element according to the invention can be at least partially embedded in the document of value or the packaging or applied thereto.
  • the security element can also bridge a gap in the substrate (document of value or packaging) or be applied in register with a transparent area present in the substrate.

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Credit Cards Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Aerials With Secondary Devices (AREA)

Description

Die Erfindung betrifft ein Sicherheitselement, das ohne Hilfsmittel verifiziert werden kann.The invention relates to a security element that can be verified without tools.

Aus WO 2004/014663 A ist ein Verfahren zur Herstellung von fälschungssicheren Identifikationsmerkmalen bestehend aus jeweils mindestens einer elektromagnetische Wellen reflektierenden Schicht, einer Abstandsschicht und einer Schicht gebildet von metallischen Clustern, wobei auf ein Trägersubstrat eine partielle oder vollflächige elektromagnetische Wellen reflektierende Schicht und anschließend eine oder mehrere partielle und/oder vollflächige polymere Schichten definierter Dicke aufgebracht werden, worauf auf die Abstandschicht eine Schicht gebildet aus metallischen Clustern, die mittels eines vakuumtechnischen Verfahrens oder aus lösungsmittelbasierten Systemen hergestellt wird, aufgebracht wird, bekannt.
Das Identifikationsmerkmal zeigt in Abhängigkeit vom Betrachtungswinkel unterschiedliche Farben bzw. Farbeffekte.Out WO 2004/014663 A is a process for the production of counterfeit-proof identification features consisting of at least one layer reflecting electromagnetic waves, a spacer layer and a layer formed by metallic clusters, whereby a layer reflecting electromagnetic waves on a partial or full surface and then one or more partial and/or full-surface layers are applied to a carrier substrate polymeric layers of defined thickness are applied, whereupon a layer formed from metallic clusters, which is produced by means of a vacuum technology process or from solvent-based systems, is applied to the spacer layer.
The identification feature shows different colors or color effects depending on the viewing angle.

Aus der WO 2004/110771 ist ein Sicherheitselement bekannt, welches einen ähnlichen Aufbau hat wie das zuvor beschriebene Identifikationsmerkmal.From the WO 2004/110771 a security element is known which has a structure similar to that of the identification feature described above.

Aufgabe der Erfindung war es, ein Sicherheitselement bereitzustellen, das ohne technische Hilfsmittel von ungeschulten Personen jederzeit einfach und zuverlässig verifiziert werden kann und dennoch einen sehr hohen Fälschungsschutz gewährleistet.The object of the invention was to provide a security element that can be easily and reliably verified at any time by untrained persons without technical aids and still ensures a very high level of protection against forgery.

Gegenstand der Erfindung ist daher ein Sicherheitselement aufweisend ein transparentes Trägersubstrat und ein Farbumschlagselement bestehend aus einer elektromagnetische Wellen reflektierenden Schicht, einer Abstandsschicht und einer Schicht gebildet von metallischen Clustern, wobei auf dem transparenten Trägersubstrat die elektromagnetische Wellen reflektierende Schicht zumindest teilweise als Linienraster und teilweise als vollflächige Schicht aus einem oder mehreren unterschiedlichen Metallen ausgebildet ist, so wie in Anspruch 1 definert.The subject matter of the invention is therefore a security element having a transparent carrier substrate and a color change element consisting of a layer that reflects electromagnetic waves, a spacer layer and a layer formed from metallic clusters, the layer reflecting electromagnetic waves being at least partially on the transparent carrier substrate as a line grid and partially as a full-area layer of one or more dissimilar metals as defined in claim 1.

Als Trägersubstrat kommen beispielsweise flexible treansparente Kunststofffolien, beispielsweise aus PI, PP, OPP, PE, PPS, PEEK, PEK, PEI, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC, PTFE, Fluorpolymere wie Teflon, PVB etc. in Frage.
Die Trägerfolien weisen vorzugsweise eine Dicke von 5 - 700 µm, bevorzugt 5 - 200 µm, besonders bevorzugt 5 - 50 µm auf.Flexible transparent plastic films, for example made of PI, PP, OPP, PE, PPS, PEEK, PEK, PEI, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC, PTFE, Fluoropolymers such as Teflon, PVB etc. in question.
The carrier foils preferably have a thickness of 5-700 μm, preferably 5-200 μm, particularly preferably 5-50 μm.

Das Farbumschlagselement ist vorzugsweise ein analog WO 2004/014663 A hergestelltes Element bestehend aus einer elektromagnetische Wellen reflektierenden Schicht, einer Abstandsschicht und metallischen Clusterschicht.The color change element is preferably an analog WO 2004/014663 A manufactured element consisting of an electromagnetic wave reflecting layer, a spacer layer and metallic cluster layer.

Die elektromagnetische Wellen reflektierende Schicht besteht aus einem oder mehreren unterschiedlichen Metallen wie beispielsweise Aluminium, Gold, Chrom, Silber, Kupfer, Zinn, Platin, Nickel, Palladium, Titan und deren Legierungen, beispielsweise Nickel/Chrom, Kupfer/Aluminium und dergleichen.
Die elektromagnetische Wellen reflektierende Schicht wird zumindest teilweise in Form eines Linienrasters, beispielsweise in Form von Buchstaben, Zeichen, Guillochen, Muster, Symbolen und dergleichen aufgebracht, wobei in diesem Bereich die Metallisierung transluzent erscheint.
Das Raster weist etwa 40 - 200, vorzugsweise 60 - 120, besonders bevorzugt 70 - 90 l/cm.auf.The layer reflecting electromagnetic waves consists of one or more different metals such as aluminum, gold, chromium, silver, copper, tin, platinum, nickel, palladium, titanium and their alloys, e.g. nickel/chromium, copper/aluminum and the like.
The layer that reflects electromagnetic waves is applied at least partially in the form of a line grid, for example in the form of letters, characters, guilloches, patterns, symbols and the like, with the metallization appearing translucent in this area.
The grid has about 40-200, preferably 60-120, particularly preferably 70-90 l/cm.

In den nicht vom Linienraster bedeckten Bereichen wird die Metallisierung vollflächig aufgebracht und ist somit deckend opak.In the areas not covered by the line grid, the metallization is applied over the entire surface and is therefore opaque.

Dabei können die vollflächig metallisierten Bereiche ebenso wie die in einem Linienraster oder in Form von Buchstaben, Zeichen, Guillochen, Muster, Symbolen und dergleichen metallisierten Bereiche aus dem gleichen Metall oder aus jeweils 2 oder mehreren unterschiedlichen Metallen bestehen.The fully metallized areas, like the areas metallized in a line grid or in the form of letters, characters, guilloches, patterns, symbols and the like, can consist of the same metal or of 2 or more different metals.

Die elektromagnetische Wellen reflektierende Schicht kann in bestimmten Bereichen in Form des Linienrasters bzw. in den anderen Bereichen vollflächig durch bekannte Verfahren, wie Sprühen, Bedampfen, Sputtern, Drucken (Tief-, Flexo-, Sieb-, Digitaldruck), Lackieren, Walzenauftragsverfahren, bzw. Metallisierungs- und anschließende Demetallisierungsverfahren und dergleichen aufgebracht werden.The layer that reflects electromagnetic waves can be applied in certain areas in the form of a line grid or in the other areas over the entire surface using known methods such as spraying, vapor deposition, sputtering, printing (gravure, flexo, screen, digital printing), varnishing, roller application methods, or Metallization and subsequent demetallization processes and the like can be applied.

Die darauf folgende polymere Schicht bzw. die polymeren Schichten können ebenfalls vollflächig oder partiell aufgebracht werden.
Die polymeren Schichten bestehen beispielsweise aus Farb- oder Lacksystemen auf Basis von Nitrocellulose, Epoxy-, Polyester-, Kolophonium-, Acrylat-, Alkyd-, Melamin-, PVA-, PVC-, Isocyanat- oder Urethansystemen.The subsequent polymer layer or layers can also be applied over the whole area or partially.
The polymer layers consist, for example, of paint or lacquer systems based on nitrocellulose, epoxy, polyester, rosin, acrylate, alkyd, melamine, PVA, PVC, isocyanate or urethane systems.

Diese polymere Schicht dient im Wesentlichen als transparente Abstandsschicht.
Die polymere Schicht kann durch ein beliebiges Beschichtungsverfahren wie beispielsweise durch Aufstreichen, Lackieren, Gießen, Sprühen, Drucken (Siebdruck-, Tiefdruck- Flexodruck, oder Digitaldruckverfahren) oder Walzenauftragsverfahren aufgebracht werden.This polymeric layer essentially serves as a transparent spacer layer.
The polymeric layer can be applied by any desired coating method such as brushing, painting, pouring, spraying, printing (screen printing, gravure printing, flexographic printing, or digital printing methods) or roller application methods.

Auf die polymere Schicht wird anschließend eine Schicht gebildet aus metallischen Clustern aufgebracht. Die metallischen Cluster können beispielsweise aus Aluminium, Gold, Palladium, Platin, Chrom, Silber, Kupfer, Nickel und dergleichen oder deren Legierungen, wie beispielsweise Au/Pd oder Cr/Ni bestehen.
Diese Clusterschicht kann durch Sputtern (beispielsweise lonenstrahl oder Magnetron) oder Verdampfen (Elektronenstrahl oder thermisch) aus einer Lösung oder durch Adsorption aufgebracht werden.A layer formed from metallic clusters is then applied to the polymeric layer. The metallic clusters can consist, for example, of aluminum, gold, palladium, platinum, chromium, silver, copper, nickel and the like or their alloys, such as Au/Pd or Cr/Ni.
This cluster layer can be applied by sputtering (for example ion beam or magnetron) or evaporation (electron beam or thermally) from a solution or by adsorption.

Bei Betrachtung im Auflicht entsteht in Abhängigkeit vom Betrachtungswinkel ein charakteristischer Farbumschlag in jenen Bereichen, die vollflächig mit der elektromagnetische Wellen reflektierenden Schicht unterlegt sind.When viewed in reflected light, a characteristic color change occurs depending on the viewing angle in those areas that are fully lined with the layer that reflects electromagnetic waves.

In den Bereichen, in denen die elektromagnetische Wellen reflektierende Schicht in Form eines Rasters ausgeführt ist, ist der Farbumschlag ebenfalls sichtbar.
Im Durchlicht jedoch ist in diesem Bereich ein Kontrast erkennbar und die Muster, Raster, Buchstaben, Zeichen, Symbole und dergleichen werden sichtbar.The color change is also visible in the areas in which the layer reflecting electromagnetic waves is in the form of a grid.
In transmitted light, however, a contrast can be seen in this area and the patterns, grids, letters, characters, symbols and the like become visible.

Dadurch wird ein Sicherheitselement bereitgestellt, das unter jeglichen Beleuchtungsverhältnissen auch von ungeschulten Personen einfach, schnell und zuverlässig verifiziert werden kann.
Durch die Komplexität des Schichtenaufbaus ist das Sicherheitselement gleichzeitig kaum fälschbar.This provides a security element that can be verified easily, quickly and reliably under any lighting conditions, even by untrained people.
At the same time, due to the complexity of the layer structure, the security element can hardly be forged.

In einer besonderen Ausführungsform kann weiters eine diffraktive Schicht auf dem Trägersubstrat vorhanden sein, die vorzugsweise in einen strahlungshärtbaren Lack geprägt sein kann.In a particular embodiment, a diffractive layer can also be present on the carrier substrate, which can preferably be embossed in a radiation-curable lacquer.

Der strahlungshärtbare Lack kann beispielsweise ein strahlungshärtbares Lacksystem auf Basis eines Polyester-, eines Epoxy- oder Polyurethansystems das 2 oder mehr verschiedene, dem Fachmann geläufige Photoinitiatoren enthält, die bei unterschiedlichen Wellenlängen eine Härtung des Lacksystems in unterschiedlichem Ausmaß initiieren können.
So kann beispielsweise ein Photoinitiator bei einer Wellenlänge von 200 bis 400 nm aktivierbar sein, der zweite Photoinitiator dann bei einer Wellenlänge von 370 bis 600 nm aktivierbar. Zwischen den Aktivierungswellenlängen der beiden Photoinitiatoren sollte genügend Differenz eingehalten werden, damit nicht eine zu starke Anregung des zweiten Photoinitiators erfolgt, während der erste Photoinitiator aktiviert wird. Der Bereich, in dem der zweite Photoinitiator angeregt wird, sollte im Transmissionswellenlängenbereich des verwendeten Trägersubstrats liegen. Für die Haupthärtung (Aktivierung des zweiten Photoinitiators) kann auch Elektronenstrahlung verwendet werden.The radiation-curable lacquer can, for example, be a radiation-curable lacquer system based on a polyester, an epoxy or polyurethane system which contains 2 or more different photoinitiators familiar to the person skilled in the art, which can initiate curing of the lacquer system to different extents at different wavelengths.
For example, one photoinitiator can be activated at a wavelength of 200 to 400 nm, and the second photoinitiator can then be activated at a wavelength of 370 to 600 nm. There should be a sufficient difference between the activation wavelengths of the two photoinitiators so that the second photoinitiator is not excited too much while the first photoinitiator is being activated. The range in which the second photoinitiator is excited should be in the transmission wavelength range of the carrier substrate used. E-beam radiation can also be used for the main cure (activation of the second photoinitiator).

Als strahlungshärtbarer Lack kann auch ein wasserverdünnbarer Lack verwendet werden. Bevorzugt werden Lacksysteme auf Polyesterbasis.A water-dilutable lacquer can also be used as the radiation-curable lacquer. Polyester-based paint systems are preferred.

Die Abformung der Oberflächenstruktur, erfolgt beispielsweise bei kontrollierter Temperatur mittels einer Matrize oder unter Verwendung einer Prägeform in die strahlungshärtbare Lackschicht, die durch Aktivierung des ersten Photoinitiators bis zum Gelpunkt vorgehärtet wurde und zum Zeitpunkt der Abformung sich in diesem Stadium befindet.
Wird ein wasserverdünnbarer strahlungshärtbarer Lack verwendet, kann gegebenenfalls eine Vortrocknung vorgeschaltet werden, beispielsweise durch IR-Strahler.The surface structure is molded, for example, at a controlled temperature using a matrix or using an embossing mold in the radiation-curable lacquer layer, which has been pre-cured to the gel point by activation of the first photoinitiator and is at this stage at the time of molding.
If a water-dilutable, radiation-curable lacquer is used, pre-drying can optionally be carried out beforehand, for example using IR radiators.

Das erfindungsgemäße Sicherheitselement kann gegebenenfalls nach entsprechender Konfektionierung (beispielsweise zu Fäden, Bändern, Streifen, Patches oder anderen Formaten) daher als Sicherheitsmerkmal in Datenträgern, insbesondere Wertdokumenten wie Ausweisen, Karten, Banknoten oder Etiketten, Siegeln und dergleichen, aber auch in Verpackungsmaterialien für sensible Güter, wie Pharmazeutika, Kosmetika, Datenträger, elektronische Bauteile und dergleichen verwendet werden.The security element according to the invention can therefore be used as a security feature in data carriers, in particular documents of value such as ID cards, cards, banknotes or labels, seals and the like, but also in packaging materials for sensitive goods, if appropriate after appropriate packaging (e.g. into threads, tapes, strips, patches or other formats). , such as pharmaceuticals, cosmetics, data carriers, electronic components and the like are used.

Das erfindungsgemäße Sicherheitselement kann dabei in das Wertdokument oder die Verpackung zumindest teilweise eingebettet oder darauf appliziert werden. In einer Ausführungsform kann das Sicherheitselement auch eine Aussparung des Substrats (Wertdokument oder Verpackung) überbrücken oder registergenau zu einem im Substrat vorhandenen transparenten Bereich aufgebracht sein.The security element according to the invention can be at least partially embedded in the document of value or the packaging or applied thereto. In one embodiment, the security element can also bridge a gap in the substrate (document of value or packaging) or be applied in register with a transparent area present in the substrate.

Claims (6)

  1. A security element comprising a transparent carrier substrate and a color-change element consisting of a layer reflecting electromagnetic waves, a transparent polymer spacer layer, and a layer formed from metallic clusters, characterized in that on the transparent carrier substrate, the layer reflecting electromagnetic waves is at least partially applied as a line grid of one or multiple different metals in the form of letters, signs, guilloches, patterns, symbols, wherein the layer reflecting electromagnetic waves appears translucent in this region and is applied partially as a full-area opaque layer made of one or multiple different metals, wherein under reflected light, depending on the viewing angle, a characteristic color change is visible in those regions that are underlaid completely by the layer reflecting electromagnetic waves, and the color change is likewise visible in those regions in which the layer reflecting electromagnetic waves is configured as a grid, and in transmitted light, a contrast is perceivable in the region of the layer that is configured as a line grid, wherein the letters, signs, guilloches, patterns, symbols become visible.
  2. The security element according to claim 1, characterized in that the security element additionally has an optically active structure.
  3. A use of the security element according to one of claims 1 to 2 for at least partial embedding in a valuable document or a packaging.
  4. The use of the security element according to one of claims 1 to 2 for at least partial embedding in a valuable document or a packaging, wherein the embedding is performed in perfect register with a region of the valuable document or the packaging.
  5. The use of the security element according to one of claims 1 to 2 for application on a valuable document or a packaging, wherein the application is performed in perfect register with a region of the valuable document or the packaging.
  6. The use of the security element according to one of claims 1 to 2 for bridging a cutout in a valuable document or a packaging.
EP08014968.5A 2008-08-25 2008-08-25 Safety element which can be verified without an aid Active EP2159071B2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ES08014968.5T ES2559858T3 (en) 2008-08-25 2008-08-25 Security element, which can be verified without auxiliary help
EP08014968.5A EP2159071B2 (en) 2008-08-25 2008-08-25 Safety element which can be verified without an aid
US13/002,368 US20110316269A1 (en) 2008-08-25 2009-07-06 Security element
CA2735030A CA2735030C (en) 2008-08-25 2009-07-06 Security element
MYPI2011000806A MY165989A (en) 2008-08-25 2009-07-06 Security element
PCT/EP2009/004864 WO2010025787A2 (en) 2008-08-25 2009-07-06 Security element
BRPI0918881-9A BRPI0918881B1 (en) 2008-08-25 2009-07-06 SECURITY ELEMENT

Applications Claiming Priority (1)

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EP08014968.5A EP2159071B2 (en) 2008-08-25 2008-08-25 Safety element which can be verified without an aid

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EP2159071A1 EP2159071A1 (en) 2010-03-03
EP2159071B1 EP2159071B1 (en) 2015-12-09
EP2159071B2 true EP2159071B2 (en) 2022-01-12

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US (1) US20110316269A1 (en)
EP (1) EP2159071B2 (en)
BR (1) BRPI0918881B1 (en)
CA (1) CA2735030C (en)
ES (1) ES2559858T3 (en)
MY (1) MY165989A (en)
WO (1) WO2010025787A2 (en)

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WO2001003945A1 (en) † 1999-07-08 2001-01-18 Flex Products, Inc. Diffractive surfaces with color shifting backgrounds
EP1343639B1 (en) † 2000-12-22 2006-07-19 OVD Kinegram AG Decorative foil
WO2003095227A1 (en) † 2002-05-14 2003-11-20 Leonhard Kurz Gmbh & Co. Kg Optically variable element comprising a partially transparent element
WO2004014663A1 (en) † 2002-08-06 2004-02-19 Hueck Folien Ges.M.B.H. Method for producing tamper-proof identification elements
WO2005047013A2 (en) † 2003-11-04 2005-05-26 De La Rue International Limited Security device
WO2005063446A1 (en) † 2003-12-29 2005-07-14 Hueck Folien Ges.M.B.H. Passive activatable security feature
WO2005077668A1 (en) † 2004-02-16 2005-08-25 Hueck Folien Ges.M.B.H. Tamper-proof, color-shift security feature
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Also Published As

Publication number Publication date
EP2159071B1 (en) 2015-12-09
ES2559858T3 (en) 2016-02-16
WO2010025787A2 (en) 2010-03-11
US20110316269A1 (en) 2011-12-29
CA2735030A1 (en) 2010-03-11
CA2735030C (en) 2018-04-03
BRPI0918881A2 (en) 2015-12-01
BRPI0918881B1 (en) 2020-09-24
MY165989A (en) 2018-05-21
EP2159071A1 (en) 2010-03-03
WO2010025787A3 (en) 2010-08-05

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