EP3041685B1 - Security document having at least one security element which comprises a structure, and method for the production thereof - Google Patents

Security document having at least one security element which comprises a structure, and method for the production thereof Download PDF

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Publication number
EP3041685B1
EP3041685B1 EP14741882.6A EP14741882A EP3041685B1 EP 3041685 B1 EP3041685 B1 EP 3041685B1 EP 14741882 A EP14741882 A EP 14741882A EP 3041685 B1 EP3041685 B1 EP 3041685B1
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EP
European Patent Office
Prior art keywords
layer
security
structuring
metallic layer
security document
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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EP14741882.6A
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German (de)
French (fr)
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EP3041685A1 (en
Inventor
Alexander MOMBRÉE
Michael Knebel
Henrik Ramuta
Reiner Seidel
André LEOPOLD
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Bundesdruckerei GmbH
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Bundesdruckerei GmbH
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Publication of EP3041685A1 publication Critical patent/EP3041685A1/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
    • B42D25/30—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
    • B42D25/324—Reliefs
    • 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
    • B42D25/328—Diffraction gratings; Holograms
    • 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
    • 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
    • B42D25/378—Special inks
    • 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
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/425—Marking by deformation, e.g. embossing

Definitions

  • the invention relates to a security document having at least one security element comprising a structuring and to a method for producing a security element comprising a structuring on a security document, such as a security paper, value document, banknote or the like.
  • a film composite banknote according to the preamble of claim 1 which consists of a base paper between two plastic films. These two outer plastic films are attached to the base paper with an adhesive. Between the plastic film and the adhesive layer, a hologram patch is introduced.
  • WO 2011/057739 A1 discloses a method of making a colored microwell security document.
  • a deposited on a support embossable layer micro-wells and a hologram structure are introduced.
  • an aluminum layer is applied, which in turn is covered with a protective lacquer to etch the previously applied aluminum layer in the region of the microwells, so that subsequently a color layer can be applied exclusively to the microwells.
  • Such colored microwells are used in particular for banknotes to increase the security against counterfeiting.
  • security elements formed as a hologram are provided by a so-called hologram patch for application to a security document.
  • a protective film is removed from the hologram and by means of a hot-melt bond, in particular a hot foil application, attached to the security document.
  • the security feature can be removed or replaced by a subsequent heat on the hot melt adhesive.
  • such security elements can also be applied to the security document by means of a one- or two-component adhesive, with a certain pressure on the security element having to be exerted for adequate attachment, which, however, has its limits in order to prevent the hologram structure from being exerted by the pressure damage or alter.
  • a lower adhesive strength is achieved by means of such a one- or two-component adhesive, which in turn facilitates facilitated detachment.
  • a passport with a security element is known, which is laminated in an upper and lower laminate layer of polycarbonate.
  • an adhesive layer is applied on the first polycarbonate layer, through which a first polymer layer of the security element is held.
  • a metallic layer is applied, which in turn is enclosed by a second lacquer layer to the first polymer layer.
  • the invention is therefore based on the object to propose a security document and a method for its production, in which the security against counterfeiting is further increased.
  • This object is achieved by a security document having the features of claim 1.
  • This security document has a carrier, which is provided with a flowable layer for smoothing the surface of the carrier, at least in a planar extension of the security element, on it an adhesive layer which adheres thereto carries a metallic layer, which is covered by a protective layer and at least the metallic layer is provided with a structuring, which forms the security element, wherein a lacquer layer is applied as a protective layer, which extends at least over the structuring.
  • This structure of the security document makes it possible for a structuring, in particular a security element designed as a hologram, to be applied directly to the carrier in successive steps in a printing or processing system, that is to say an integration of the security feature during production of the security document.
  • a separate application of the structuring, in particular of the hologram, is no longer necessary. Subsequent detachment of the structuring can be made more difficult. As a result of this successive sequence of operations and the resulting structure, even standard fluctuations in the exact positioning of a structuring on the support of the security document can be considerably reduced or avoided.
  • the flowable layer applied to the support is preferably a primer printing layer.
  • this primer printing layer can be applied in a simple manner and, for example, also be in the form of a color.
  • the adhesive layer preferably consists of a one-component adhesive.
  • a printing ink having an adhesive property is provided, which has at least one such adhesive force, in order to enable adherence of the subsequently applied metallic layer.
  • the metal layer to be applied to the adhesive layer is preferably applied over the full area of the adhesive layer.
  • this metal layer can be provided with a specific design or pattern, such as a guilloche, a lettering or the like.
  • the applied structure of the adhesive layer on the applied Metal layer adapted so that only the desired structure of the metal layer adheres to the adhesive layer.
  • the metallic layer may be silver-glossy or colored. An adaptation to the design of the security document is thereby possible.
  • the lacquer layer which extends at least over the structuring, in particular over the metallic layer forming the hologram, extends over the entire carrier and seals the carrier.
  • Such a lacquer layer can be monochrome or multicolored, in particular translucent, formed and, for example, also represent an iris profile.
  • the security feature is preferably designed as an embossed hologram.
  • the object on which the invention is based is furthermore achieved by a method for producing a security element comprising a structuring on a security document, in which the carrier is fed to a first of several printing and / or processing stations of a processing system, so that this successively several pressure - And / or processing stations passes, initially a flowable layer is applied at least for smoothing the surface of the support at least the planar extension of the security element accordingly, then in a subsequent processing station, an adhesive layer is at least partially applied to the flowable layer, following a film with fed to a metallic layer and the metallic layer is applied to the adhesive layer and the metal layer-bearing film is peeled off, so that in a subsequent flipsu Ngsstation either structuring into the metal layer and then applying a flowable protective layer or the application of a flowable protective layer on the metallic layer and then the patterning in the protective layer and the metal layer is introduced.
  • the metallic layer is applied to a cold foil or cold stamping foil, in particular vapor-deposited, and is fed to the processing station for processing.
  • adhesion of the metallic layer to the adhesive layer can take place without additional introduction of heat, which in turn results in energy savings.
  • the metallic layer is preferably introduced with an embossing roll, embossing plate or embossing sleeve in a processing station.
  • a microembossing of the metallic layer in an inline process can be carried out in a simple manner.
  • Embossed structures of less than 10 ⁇ m, preferably in a range of 0.2 to 2.0 ⁇ m, are preferably introduced. This further allows for improved integration.
  • a drying of the metallic layer with at least the adhesive layer is carried out by means of a UV or IR radiation.
  • a UV-drying or water-based lacquer is applied as a flowable protective layer. This in turn allows easy processing in a printing process. Furthermore, it is preferably provided that a plurality of flowable layers with different refractive index and / or color are applied. As a result, a variant-rich design of the security element can be made possible in a simple manner.
  • the carrier is fed as web or roll goods of the processing plant, so that it can pass through the individual printing and / or processing stations. After the introduction the structuring can be done singling. Alternatively, it can also be provided that the carriers are applied individually on a conveyor belt and passed through the processing system by means of the conveyor belt.
  • FIG. 1 is a top view of a security document 11, which has at least one security element 12.
  • a security document 11 may, for example, be a security paper such as a banknote, a personalization data page, certificates, vouchers, checks, tickets, identification cards.
  • a security document 11 can be part of a value document, such as in passports.
  • a security document 11 may be part of a credit card, identity card or the like, which are integrated in one or more at least partially enveloping protective layers, such as, for example, a PC layer.
  • a security documents 11 is a label seal or part of an adhesive tape for packaging.
  • FIG. 2 is a schematic sectional view along the line II of the security document according to FIG. 1 shown, from which a Structure of the security document 11 with the security element 12 shows.
  • the security document 11 may, in a simplest embodiment, consist of a carrier 14 on which the security element 12 is applied, which comprises a structuring 21, such as an embossed structure or a hologram structure.
  • the carrier 14 may be formed from a security paper, a film or a composite element.
  • a first flowable layer 16 is applied, which is for example a primer printing layer. This serves for smoothing and closing the surface of the carrier 14, so that a flat surface is provided for receiving subsequent layers.
  • This first flowable layer 16 advantageously extends at least in the area of the planar extent of the security element to be formed 12.
  • the adhesive layer 18 may be used as a color having a high Tac, that is, an adhesive property.
  • a metallic layer 20 is applied, which according to the embodiment in FIG. 2 the structuring 21 has.
  • a protective layer 23 is applied, which fills the structuring 21 of the metallic layer 20.
  • This protective layer 23 may even completely cover the adjacent areas of the carrier 14 or the carrier 14.
  • This protective layer 23 may be formed as a lacquer, which may also be applied as a print layer and is preferably also printable, so that the carrier 14 can be completely sealed.
  • the structuring 21 is introduced after the application of the protective layer 23 in the metal layer 20, in which case the structuring 21 is also present in the protective layer 23.
  • the individual layers to be applied to the carrier 14 can all be one printing ink. These can be applied with rollers, doctor blades or the like.
  • FIG. 3 is an example of an inline method for producing the security document 11 according to the Figures 1 and 2 shown.
  • FIG. 3 schematically shows a processing plant 28, in particular a printing press with a plurality of printing units, which has, for example, five processing stations 33 to 37, in successive steps, the security document 11 in the structure according to FIG. 2 manufacture.
  • the carrier 14 which is preferably provided as a web, is supplied to a first processing station 33 in which the flowable layer 16 is applied to the carrier 14 at least to the extent of the surface extension of the security element 12.
  • the flowable layer 16 may be, for example, a flexographic, offset, Letterset- or screen printing process.
  • the adhesive layer 18 is applied to the flowable layer 16. This can be applied over the whole area for the structure 21 to be produced subsequently. Likewise, the adhesive layer 18 can be partially applied with a pattern or a design, so that then only partially the metallic layer 20 adheres to the adhesive layer 18.
  • a cold foil or cold stamping foil 19 with the metallic layer 20 is fed to the carrier 14.
  • the metallic layer 20 is applied, especially vapor-deposited.
  • the film 19 is peeled off and the metallic layer 20 is applied to the adhesive layer 18.
  • the structuring 21 is introduced, for example, by means of a pressure roller or pressure plate.
  • the intended for structuring 21 micro-embossing can be done with a flexo or embossing.
  • the protective layer 23 is applied to seal at least the metallic layer 20.
  • the processing stations 37, 36 may also be arranged reversed, so that first the protective layer 23 is applied and then the embossing is introduced into the protective layer 23 and metallic layer 20.
  • the introduction of the structuring 21 may involve the introduction of an embossing hologram as well as a guilloche or the like.
  • a quality control at the same time in order to check the proper application or introduction of the structuring 21 onto the metallic layer 20.
  • a test embossed structure can be applied to the carrier 14 or, in the alternative embodiment of the production method, to the protective layer 23.
  • the positioning of this test embossed structure can be provided on the security document 11 as desired and preferably outside the metallic layer 20.
  • a field is provided on the security document 11 for applying the test embossed structure.
  • Such a test embossing structure may be a diffraction grating, which may be formed for example as a sine grid, as a rectangular grid or as an asymmetric grid.
  • a diffraction efficiency of the test embossed structure can be measured after the introduction of the test embossed structure and the structuring 21.
  • the sensor measures the brightness of the diffracted Signal of the test-embossed structure and compares this detected signal with a predetermined expected value or minimum value. As soon as the signal detected by the sensor is above the expected value or the minimum value, for example, the introduction of the structuring 21 can be found to be "good”. If the signal is below the expected value or the minimum value, this security element 11 is marked as "bad” and sorted out before further processes.
  • test embossed structure is preferably introduced simultaneously with the introduction of the structuring 21.
  • test embossing structure can also be connected downstream of the introduction of the structuring 21.

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Description

Die Erfindung betrifft ein Sicherheitsdokument mit zumindest einem eine Strukturierung umfassenden Sicherheitselement sowie ein Verfahren zur Herstellung eines eine Strukturierung umfassenden Sicherheitselements auf einem Sicherheitsdokument, wie beispielsweise einem Sicherheitspapier, Wertdokument, Banknote oder dergleichen.The invention relates to a security document having at least one security element comprising a structuring and to a method for producing a security element comprising a structuring on a security document, such as a security paper, value document, banknote or the like.

Aus der DE 10 2009 024 987 A1 ist eine Folienverbundbanknote nach dem Oberbegriff des Anspruchs 1 bekannt, welche aus einem Basispapier zwischen zwei Kunststofffolien besteht. Diese beiden außenliegenden Kunststofffolien sind mit einem Klebemittel an dem Basispapier befestigt. Zwischen der Kunststofffolie und der Klebemittelschicht ist ein Hologramm-Patch eingebracht.From the DE 10 2009 024 987 A1 a film composite banknote according to the preamble of claim 1 is known, which consists of a base paper between two plastic films. These two outer plastic films are attached to the base paper with an adhesive. Between the plastic film and the adhesive layer, a hologram patch is introduced.

Aus der DE 10 2011 114 211 A1 ist ein Wertdokumentsubstrat bekannt, welches zwischen einer Zwischenschicht aus einer Polymerfolie und einer Papierschicht mit einer durchgehenden Öffnung einen Sicherheitsfaden aufnimmt.From the DE 10 2011 114 211 A1 For example, a value document substrate which receives a security thread between an intermediate layer of a polymer film and a paper layer having a through opening is known.

Aus der WO 2011/057739 A1 geht ein Verfahren zur Herstellung eines mit gefärbten Mikrovertiefungen versehenen Sicherheitsdokumentes hervor. In einer auf einen Träger aufgebrachten, prägbaren Schicht werden Mikrovertiefungen sowie eine Hologrammstruktur eingebracht. Anschließend wird in einem separaten Arbeitsschritt eine Aluminiumschicht aufgebracht, welche wiederum mit einem Schutzlack abgedeckt wird, um im Bereich der Mikrovertiefungen die zuvor aufgebrachte Aluschicht abzuätzen, so dass anschließend eine Farbschicht ausschließlich auf die Mikrovertiefungen aufgebracht werden kann. Solche gefärbte Mikrovertiefungen werden insbesondere bei Banknoten zur Erhöhung der Fälschungssicherheit verwendet.From the WO 2011/057739 A1 discloses a method of making a colored microwell security document. In a deposited on a support embossable layer micro-wells and a hologram structure are introduced. Subsequently, in a separate step, an aluminum layer is applied, which in turn is covered with a protective lacquer to etch the previously applied aluminum layer in the region of the microwells, so that subsequently a color layer can be applied exclusively to the microwells. Such colored microwells are used in particular for banknotes to increase the security against counterfeiting.

Des Weiteren ist bekannt, dass als Hologramm ausgebildete Sicherheitselemente durch ein sogenanntes Hologramm-Patch zum Aufbringen auf ein Sicherheitsdokument zur Verfügung gestellt werden. Dazu wird eine Schutzfolie von dem Hologramm abgenommen und mittels einer Heißklebeverbindung, insbesondere einer Heißfolienapplizierung, auf dem Sicherheitsdokument befestigt. Dabei ist nachteilig, dass das Sicherheitsmerkmal durch eine nachträgliche Wärmeeinwirkung auf das Heißklebemittel entfernt beziehungsweise ausgetauscht werden kann. Alternativ können solche Sicherheitselemente auch durch einen Ein- oder Zwei-Komponenten-Klebstoff auf das Sicherheitsdokument aufgebracht werden, wobei zur hinreichenden Befestigung ein gewisser Druck auf das Sicherheitselement ausgeübt werden muss, der jedoch darin seine Grenzen hat, um die Hologrammstruktur durch die Druckausübung nicht zu beschädigen oder zu verändern. Dadurch wird mittels eines solchen Ein- oder Zwei-Komponenten-Klebers eine geringere Haftfestigkeit erzielt, wodurch wiederum eine erleichterte Ablösung ermöglicht ist.Furthermore, it is known that security elements formed as a hologram are provided by a so-called hologram patch for application to a security document. For this purpose, a protective film is removed from the hologram and by means of a hot-melt bond, in particular a hot foil application, attached to the security document. It is disadvantageous that the security feature can be removed or replaced by a subsequent heat on the hot melt adhesive. Alternatively, such security elements can also be applied to the security document by means of a one- or two-component adhesive, with a certain pressure on the security element having to be exerted for adequate attachment, which, however, has its limits in order to prevent the hologram structure from being exerted by the pressure damage or alter. As a result, a lower adhesive strength is achieved by means of such a one- or two-component adhesive, which in turn facilitates facilitated detachment.

Aus der DE 41 32 476 A1 ist ein Aufbau eines Hologramms auf einem Träger bekannt, der zur Glättung der Oberfläche des Trägers einen Vorlack aufweist, um die Poren des Trägers zu schließen. Auf diesem ist ein strahlungshärtender Abformlack vorgesehen, der wiederum eine Metallisierung aufnimmt, die von einem Schutzlack überdeckt ist.From the DE 41 32 476 A1 there is known a structure of a hologram on a support which has a precursor for smoothing the surface of the support to close the pores of the support. On this a radiation-curing impression is provided, which in turn receives a metallization, which is covered by a protective lacquer.

Aus der DE 100 13 410 A1 ist eine Passkarte mit einem Sicherheitselement bekannt, welches in eine obere und untere Laminatschicht aus Polycarbonat einlaminiert ist. Hierfür ist auf der ersten Polycarbonatschicht eine Klebemittelschicht aufgebracht, durch welche eine erste Polymerschicht des Sicherheitselements gehalten ist. Auf dieser ersten Polymerschicht ist eine metallische Schicht aufgebracht, die wiederum durch eine zweite Lackschicht zur ersten Polymerschicht eingeschlossen ist.From the DE 100 13 410 A1 For example, a passport with a security element is known, which is laminated in an upper and lower laminate layer of polycarbonate. For this purpose, an adhesive layer is applied on the first polycarbonate layer, through which a first polymer layer of the security element is held. On this first polymer layer, a metallic layer is applied, which in turn is enclosed by a second lacquer layer to the first polymer layer.

Der Erfindung liegt deshalb die Aufgabe zugrunde, ein Sicherheitsdokument sowie ein Verfahren zu seiner Herstellung vorzuschlagen, bei welchem die Fälschungssicherheit weiter erhöht wird.The invention is therefore based on the object to propose a security document and a method for its production, in which the security against counterfeiting is further increased.

Diese Aufgabe wird erfindungsgemäß durch ein Sicherheitsdokument mit den Merkmalen des Anspruchs 1 gelöst. Dieses Sicherheitsdokument weist einen Träger auf, der zumindest in einer flächigen Erstreckung des Sicherheitselements mit einer fließfähigen Schicht zur Glättung der Oberfläche des Trägers versehen ist, darauf eine Klebemittelschicht aufnimmt, welche daran anhaftend eine metallische Schicht trägt, die von einer Schutzschicht abgedeckt ist und zumindest die metallische Schicht mit einer Strukturierung versehen ist, die das Sicherheitselement bildet, wobei als Schutzschicht eine Lackschicht aufgebracht ist, welche sich zumindest über die Strukturierung erstreckt. Dieser Aufbau des Sicherheitsdokumentes ermöglicht, dass eine Strukturierung, insbesondere ein als Hologramm ausgebildetes Sicherheitselement in aufeinander folgenden Arbeitsschritten in einer Druck- oder Bearbeitungsanlage unmittelbar auf den Träger aufgebracht werden, das heißt, es erfolgt eine Integration des Sicherheitsmerkmals bei der Herstellung des Sicherheitsdokumentes. Ein separates Aufbringen der Strukturierung, insbesondere des Hologramms, ist nicht mehr erforderlich. Ein nachträgliches Ablösen der Strukturierung kann dadurch erschwert werden. Durch diesen aufeinander folgenden Ablauf der Arbeitsschritte und den daraus resultierenden Aufbau können auch Standardschwankungen in der exakten Positionierung einer Strukturierung auf dem Träger des Sicherheitsdokuments erheblich verringert oder vermieden werden.This object is achieved by a security document having the features of claim 1. This security document has a carrier, which is provided with a flowable layer for smoothing the surface of the carrier, at least in a planar extension of the security element, on it an adhesive layer which adheres thereto carries a metallic layer, which is covered by a protective layer and at least the metallic layer is provided with a structuring, which forms the security element, wherein a lacquer layer is applied as a protective layer, which extends at least over the structuring. This structure of the security document makes it possible for a structuring, in particular a security element designed as a hologram, to be applied directly to the carrier in successive steps in a printing or processing system, that is to say an integration of the security feature during production of the security document. A separate application of the structuring, in particular of the hologram, is no longer necessary. Subsequent detachment of the structuring can be made more difficult. As a result of this successive sequence of operations and the resulting structure, even standard fluctuations in the exact positioning of a structuring on the support of the security document can be considerably reduced or avoided.

Die auf den Träger aufgebrachte fließfähige Schicht ist bevorzugt eine Primer-Druckschicht. Dadurch kann diese Primer-Druckschicht in einfacher Weise aufgebracht und beispielsweise auch als Farbe ausgebildet sein.The flowable layer applied to the support is preferably a primer printing layer. As a result, this primer printing layer can be applied in a simple manner and, for example, also be in the form of a color.

Die Klebemittelschicht besteht bevorzugt aus einem Ein-Komponenten-Klebemittel. Insbesondere ist eine Druckfarbe mit einer Klebeeigenschaft vorgesehen, welche zumindest eine solche Haftkraft aufweist, um ein Anhaften der anschließend darauf aufzubringenden metallischen Schicht zu ermöglichen.The adhesive layer preferably consists of a one-component adhesive. In particular, a printing ink having an adhesive property is provided, which has at least one such adhesive force, in order to enable adherence of the subsequently applied metallic layer.

Die auf die Klebemittelschicht aufzubringende Metallschicht wird bevorzugt vollflächig auf die Klebemittelschicht aufgebracht. Alternativ oder zusätzlich kann diese Metallschicht mit einem bestimmten Design oder Muster versehen sein, wie beispielsweise eine Guilloche, ein Schriftzug oder dergleichen. Vorteilhafterweise kann dann die aufgebrachte Struktur der Klebemittelschicht auf die aufzubringende Metallschicht angepasst sein, so dass nur die gewünschte Struktur der Metallschicht an der Klebemittelschicht haften bleibt.The metal layer to be applied to the adhesive layer is preferably applied over the full area of the adhesive layer. Alternatively or additionally, this metal layer can be provided with a specific design or pattern, such as a guilloche, a lettering or the like. Advantageously, then the applied structure of the adhesive layer on the applied Metal layer adapted so that only the desired structure of the metal layer adheres to the adhesive layer.

Die metallische Schicht kann silber-glänzend oder auch eingefärbt sein. Eine Anpassung an das Design des Sicherheitsdokuments ist dadurch möglich.The metallic layer may be silver-glossy or colored. An adaptation to the design of the security document is thereby possible.

Vorteilhafterweise erstreckt sich die Lackschicht, welche sich zumindest über die Strukturierung, insbesondere über die das Hologramm bildende metallische Schicht, erstreckt, über den gesamten Träger und versiegelt den Träger.Advantageously, the lacquer layer, which extends at least over the structuring, in particular over the metallic layer forming the hologram, extends over the entire carrier and seals the carrier.

Eine solche Lackschicht kann ein- oder mehrfarbig, insbesondere lasierend, ausgebildet sein und beispielsweise auch einen Iris-Verlauf darstellen.Such a lacquer layer can be monochrome or multicolored, in particular translucent, formed and, for example, also represent an iris profile.

Das Sicherheitsmerkmal ist bevorzugt als Prägehologramm ausgebildet.The security feature is preferably designed as an embossed hologram.

Die der Erfindung zugrunde liegende Aufgabe wird des Weiteren durch ein Verfahren zur Herstellung eines eine Strukturierung umfassendes Sicherheitselement auf einem Sicherheitsdokument gelöst, bei welchem der Träger einer ersten von mehreren Druck- und/oder Bearbeitungsstationen einer Bearbeitungsanlage zugeführt wird, so dass dieser aufeinander folgend mehrere Druck- und/oder Bearbeitungsstationen durchläuft, wobei zunächst eine fließfähige Schicht zumindest zur Glättung der Oberfläche des Trägers zumindest der flächigen Erstreckung des Sicherheitselementes entsprechend aufgebracht wird, anschließend in einer nachfolgenden Bearbeitungsstation eine Klebemittelschicht zumindest abschnittsweise auf die fließfähige Schicht aufgebracht wird, darauf folgend eine Folie mit einer metallischen Schicht zugeführt und die metallische Schicht auf die Klebemittelschicht aufgebracht und die die metallische Schicht tragende Folie abgezogen wird, so dass in einer nachfolgenden Bearbeitungsstation entweder eine Strukturierung in die Metallschicht und ein anschließendes Aufbringen einer fließfähigen Schutzschicht oder das Aufbringen einer fließfähigen Schutzschicht auf die metallische Schicht und darauf folgend die Strukturierung in die Schutzschicht und die Metallschicht eingebracht wird. Durch ein solches Verfahren ist eine komplette Integration bei der Herstellung einer Strukturierung, insbesondere eines als Hologramm ausgebildeten Sicherheitselements in dem Sicherheitsdokument möglich. Durch ein solches Inline-Verfahren können zusätzliche Arbeitsgänge und Prozessschritte im Vergleich zu einer aus dem Stand der Technik bekannten Heizfolienapplizierung entfallen und eine schnellere Produktion ermöglicht sein. Darüber hinaus kann eine gleichbleibende Qualität bei der Hologrammstrukturierung für das Sicherheitsmerkmal gegeben sein.The object on which the invention is based is furthermore achieved by a method for producing a security element comprising a structuring on a security document, in which the carrier is fed to a first of several printing and / or processing stations of a processing system, so that this successively several pressure - And / or processing stations passes, initially a flowable layer is applied at least for smoothing the surface of the support at least the planar extension of the security element accordingly, then in a subsequent processing station, an adhesive layer is at least partially applied to the flowable layer, following a film with fed to a metallic layer and the metallic layer is applied to the adhesive layer and the metal layer-bearing film is peeled off, so that in a subsequent Bearbeitungsu Ngsstation either structuring into the metal layer and then applying a flowable protective layer or the application of a flowable protective layer on the metallic layer and then the patterning in the protective layer and the metal layer is introduced. By such a procedure is a complete integration in the Production of a structuring, in particular of a hologram formed security element in the security document possible. By means of such an inline method, additional operations and process steps can be dispensed with in comparison to a heating foil application known from the prior art and a faster production can be made possible. In addition, a consistent quality in the hologram structuring for the security feature can be given.

Bevorzugt ist vorgesehen, dass die metallische Schicht auf einer Kaltfolie oder Kaltprägefolie aufgebracht, insbesondere aufgedampft, ist und zur Verarbeitung der Bearbeitungsstation zugeführt wird. Dadurch kann ohne zusätzliches Einbringen von Wärme eine Anhaftung der metallischen Schicht auf der Klebemittelschicht erfolgen, wodurch wiederum eine Energieeinsparung gegeben ist.It is preferably provided that the metallic layer is applied to a cold foil or cold stamping foil, in particular vapor-deposited, and is fed to the processing station for processing. As a result, adhesion of the metallic layer to the adhesive layer can take place without additional introduction of heat, which in turn results in energy savings.

Die metallische Schicht wird bevorzugt mit einer Prägewalze, Prägeplatte oder Prägehülse in einer Bearbeitungsstation eingebracht. Dadurch kann in einfacher Weise eine Mikroprägung der metallischen Schicht in einem Inline-Verfahren erfolgen. Bevorzugt werden Prägestrukturen von kleiner 10 µm, bevorzugt in einem Bereich von 0,2 bis 2,0 µm eingebracht. Dies ermöglicht des Weiteren eine verbesserte Integration.The metallic layer is preferably introduced with an embossing roll, embossing plate or embossing sleeve in a processing station. As a result, a microembossing of the metallic layer in an inline process can be carried out in a simple manner. Embossed structures of less than 10 μm, preferably in a range of 0.2 to 2.0 μm, are preferably introduced. This further allows for improved integration.

Des Weiteren ist bevorzugt vorgesehen, dass nach dem Aufbringen der metallischen Schicht eine Trocknung der metallischen Schicht mit zumindest der Klebemittelschicht mittels einer UV- oder IR-Strahlung durchgeführt wird.Furthermore, it is preferably provided that after the application of the metallic layer, a drying of the metallic layer with at least the adhesive layer is carried out by means of a UV or IR radiation.

Des Weiteren wird als fließfähige Schutzschicht ein UV-trocknender oder wasserbasierter Lack aufgebracht. Dadurch kann wiederum eine einfache Verarbeitung in einem Druckverfahren ermöglicht sein. Des Weiteren ist bevorzugt vorgesehen, dass mehrere fließfähige Schichten mit unterschiedlichem Brechungsindex und/oder Farbe aufgebracht werden. Dadurch kann in einfacher Weise eine variantenreiche Ausgestaltung des Sicherheitselementes ermöglicht sein.Furthermore, a UV-drying or water-based lacquer is applied as a flowable protective layer. This in turn allows easy processing in a printing process. Furthermore, it is preferably provided that a plurality of flowable layers with different refractive index and / or color are applied. As a result, a variant-rich design of the security element can be made possible in a simple manner.

Bevorzugt ist vorgesehen, dass der Träger als Bahn-oder Rollenware der Bearbeitungsanlage zugeführt wird, so dass dieser die einzelnen Druck- und/oder Bearbeitungsstationen durchlaufen kann. Nach dem Einbringen der Strukturierung kann eine Vereinzelung erfolgen. Alternativ kann auch vorgesehen sein, dass die Träger vereinzelt auf einem Transportband aufgebracht und mittels des Transportbandes durch die Bearbeitungsanlage hindurchgeführt werden.It is preferably provided that the carrier is fed as web or roll goods of the processing plant, so that it can pass through the individual printing and / or processing stations. After the introduction the structuring can be done singling. Alternatively, it can also be provided that the carriers are applied individually on a conveyor belt and passed through the processing system by means of the conveyor belt.

Die Erfindung sowie weitere vorteilhafte Ausführungsformen und Weiterbildungen derselben werden im Folgenden anhand der in den Zeichnungen dargestellten Beispiele näher beschrieben und erläutert. Die der Beschreibung und den Zeichnungen zu entnehmenden Merkmale können einzeln für sich oder zu mehreren in beliebiger Kombination erfindungsgemäß angewandt werden. Es zeigen:

  • Figur 1 eine schematische Ansicht auf ein Sicherheitsdokument mit einem Sicherheitselement,
  • Figur 2 eine schematische Schnittansicht entlang der Linie I-I in Figur 1 und
  • Figur 3 eine schematische Darstellung von aufeinander folgenden Prozessschritte eines Herstellungsverfahrens für ein Sicherheitsdokument gemäß Figur 1.
The invention and further advantageous embodiments and developments thereof are described in more detail below with reference to the examples shown in the drawings and explained. The features to be taken from the description and the drawings can be applied individually according to the invention individually or in combination in any combination. Show it:
  • FIG. 1 a schematic view of a security document with a security element,
  • FIG. 2 a schematic sectional view taken along the line II in FIG. 1 and
  • FIG. 3 a schematic representation of successive process steps of a manufacturing process for a security document according to FIG. 1 ,

In Figur 1 ist eine Ansicht von oben auf ein Sicherheitsdokument 11 dargestellt, welches zumindest ein Sicherheitselement 12 aufweist. Bei einem solchen Sicherheitsdokument 11 kann es sich bspw. um ein Sicherheitspapier handeln wie bspw. eine Banknote, eine Personalisierdatenseite, Urkunden, Gutscheine, Scheck, Eintrittskarten, Identifikationskarten handeln. Des Weiteren kann ein solches Sicherheitsdokument 11 Teil eines Wertdokuments wie bspw. in Pässen sein. Ebenso kann ein solches Sicherheitsdokument 11 Teil einer Kreditkarte, Ausweiskarte oder dergleichen sein, welche in ein oder mehrere zumindest teilweise umhüllende Schutzschichten wie bspw. PC-Schicht eingebunden sind. Es kann auch vorgesehen sein, dass solche Sicherheitsdokumente 11 als Etikettensiegel oder Teil eines Klebebandes für Verpackungen ist.In FIG. 1 is a top view of a security document 11, which has at least one security element 12. Such a security document 11 may, for example, be a security paper such as a banknote, a personalization data page, certificates, vouchers, checks, tickets, identification cards. Furthermore, such a security document 11 can be part of a value document, such as in passports. Likewise, such a security document 11 may be part of a credit card, identity card or the like, which are integrated in one or more at least partially enveloping protective layers, such as, for example, a PC layer. It may also be provided that such security documents 11 is a label seal or part of an adhesive tape for packaging.

In Figur 2 ist eine schematische Schnittansicht entlang der Linie I-I des Sicherheitsdokumentes gemäß Figur 1 dargestellt, aus welchem ein Aufbau des Sicherheitsdokumentes 11 mit dem Sicherheitselement 12 hervor geht.In FIG. 2 is a schematic sectional view along the line II of the security document according to FIG. 1 shown, from which a Structure of the security document 11 with the security element 12 shows.

Die Darstellung des Schichtaufbaus für das Sicherheitselement 12 sowie die der Schichtdicken sind nur beispielhaft und dienen zur Veranschaulichung, ohne dass diese maßstabsgetreu wiedergegeben sind. Das Sicherheitsdokument 11 kann in einer einfachsten Ausführungsform aus einem Träger 14 bestehen, auf welchem das Sicherheitselement 12 aufgebracht ist, welches eine Strukturierung 21, wie beispielsweise eine Prägestruktur oder eine Hologrammstruktur umfasst. Der Träger 14 kann dabei aus einem Sicherheitspapier, einer Folie oder einem Verbundelement gebildet sein. Auf den Träger 14 wird eine erste fließfähige Schicht 16 aufgebracht, welche beispielsweise eine Primer-Druckschicht ist. Diese dient zur Glättung und zum Verschließen der Oberfläche des Trägers 14, so dass eine ebene Fläche für die Aufnahme nachfolgender Schichten gegeben ist. Diese erste fließfähige Schicht 16 erstrecht sich vorteilhafterweise zumindest im Umfang der flächigen Erstreckung des auszubildenden Sicherheitselementes 12. Auf diese fließfähige Schicht 16 wird eine Klebemittelschicht 18 aufgebracht, welche als Ein- oder Mehr-Komponenten-Klebemittel ausgebildet sein kann. Insbesondere kann die Klebemittelschicht 18 als Farbe mit einem hohen Tac, also mit einer Klebeeigenschaft, verwendet werden. Auf diese Klebemittelschicht 18 ist eine metallische Schicht 20 aufgebracht, welche gemäß dem Ausführungsbeispiel in Figur 2 die Strukturierung 21 aufweist. Zumindest auf der metallischen Schicht 20 ist eine Schutzschicht 23 aufgebracht, welche die Strukturierung 21 der metallischen Schicht 20 ausfüllt. Diese Schutzschicht 23 kann auch die benachbarten Bereiche des Trägers 14 oder den Träger 14 sogar vollständig überdecken. Diese Schutzschicht 23 kann als Lack ausgebildet sein, der ebenfalls als Druckschicht aufgebracht werden kann und vorzugsweise auch bedruckbar ist, so dass der Träger 14 vollständig versiegelt werden kann.The representation of the layer structure for the security element 12 as well as the layer thicknesses are only examples and serve for illustration without being reproduced to scale. The security document 11 may, in a simplest embodiment, consist of a carrier 14 on which the security element 12 is applied, which comprises a structuring 21, such as an embossed structure or a hologram structure. The carrier 14 may be formed from a security paper, a film or a composite element. On the carrier 14, a first flowable layer 16 is applied, which is for example a primer printing layer. This serves for smoothing and closing the surface of the carrier 14, so that a flat surface is provided for receiving subsequent layers. This first flowable layer 16 advantageously extends at least in the area of the planar extent of the security element to be formed 12. An adhesive layer 18, which may be formed as a one- or multi-component adhesive, is applied to this flowable layer 16. In particular, the adhesive layer 18 may be used as a color having a high Tac, that is, an adhesive property. On this adhesive layer 18, a metallic layer 20 is applied, which according to the embodiment in FIG. 2 the structuring 21 has. At least on the metallic layer 20, a protective layer 23 is applied, which fills the structuring 21 of the metallic layer 20. This protective layer 23 may even completely cover the adjacent areas of the carrier 14 or the carrier 14. This protective layer 23 may be formed as a lacquer, which may also be applied as a print layer and is preferably also printable, so that the carrier 14 can be completely sealed.

Bei der in Figur 2 dargestellten Schnittansicht des Sicherheitselementes 12 wird vor dem Aufbringen der Schutzschicht 23 eine Strukturierung 21 in die metallische Schicht 20, insbesondere zur Herstellung eines Hologramms, eingebracht. Alternativ kann vorgesehen sein, dass die Strukturierung 21 nach dem Aufbringen der Schutzschicht 23 in die Metallschicht 20 eingebracht wird, wobei dann die Strukturierung 21 auch in der Schutzschicht 23 vorhanden ist.At the in FIG. 2 illustrated sectional view of the security element 12 is a structuring 21 in the metallic layer 20, in particular for the preparation of a prior to the application of the protective layer 23 Hologram, introduced. Alternatively it can be provided that the structuring 21 is introduced after the application of the protective layer 23 in the metal layer 20, in which case the structuring 21 is also present in the protective layer 23.

Die einzelnen, auf den Träger 14 aufzubringenden Schichten können alle eine Druckfarbe sein. Diese können mit Walzen, Rakeln oder dergleichen aufgebracht werden.The individual layers to be applied to the carrier 14 can all be one printing ink. These can be applied with rollers, doctor blades or the like.

In Figur 3 ist beispielhaft ein Inline-Verfahren zur Herstellung des Sicherheitsdokumentes 11 gemäß den Figuren 1 und 2 dargestellt. Figur 3 zeigt schematisch eine Bearbeitungsanlage 28, insbesondere eine Druckmaschine mit mehreren Druckwerken, welche beispielsweise fünf Bearbeitungsstationen 33 bis 37 aufweist, um in aufeinander folgenden Arbeitsschritten das Sicherheitsdokument 11 im Aufbau gemäß Figur 2 herzustellen.In FIG. 3 is an example of an inline method for producing the security document 11 according to the Figures 1 and 2 shown. FIG. 3 schematically shows a processing plant 28, in particular a printing press with a plurality of printing units, which has, for example, five processing stations 33 to 37, in successive steps, the security document 11 in the structure according to FIG. 2 manufacture.

Zunächst wird in einem ersten Schritt der Träger 14, der vorzugsweise als Bahnware bereitgestellt wird, einer ersten Bearbeitungsstation 33 zugeführt, in welcher zumindest im Umfang der Flächenerstreckung des Sicherheitselementes 12 auf den Träger 14 die fließfähige Schicht 16 aufgebracht wird. Bei dieser wie auch den nachfolgend noch beschriebenen Bearbeitungsstationen, bei denen fließfähige Schichten aufgebracht werden, kann es sich beispielsweise um einen Flexodruck-, ein Offset-, Letterset- oder Siebdruckverfahren handeln.First, in a first step, the carrier 14, which is preferably provided as a web, is supplied to a first processing station 33 in which the flowable layer 16 is applied to the carrier 14 at least to the extent of the surface extension of the security element 12. In this as well as the processing stations described below, in which flowable layers are applied, it may be, for example, a flexographic, offset, Letterset- or screen printing process.

In einer darauf folgenden Bearbeitungsstation 34 wird die Klebemittelschicht 18 auf die fließfähige Schicht 16 aufgebracht. Diese kann vollflächig für die nachfolgend herzustellende Strukturierung 21 aufgebracht werden. Ebenso kann die Klebemittelschicht 18 partiell mit einem Muster oder einem Design aufgebracht werden, so dass anschließend nur partiell die metallische Schicht 20 an der Klebemittelschicht 18 anhaftet.In a subsequent processing station 34, the adhesive layer 18 is applied to the flowable layer 16. This can be applied over the whole area for the structure 21 to be produced subsequently. Likewise, the adhesive layer 18 can be partially applied with a pattern or a design, so that then only partially the metallic layer 20 adheres to the adhesive layer 18.

In einer darauf folgenden Bearbeitungsstation 35 wird eine Kaltfolie oder Kaltprägefolie 19 mit der metallischen Schicht 20 dem Träger 14 zugeführt. Auf diese Folie 19 ist die metallische Schicht 20 aufgebracht, insbesondere aufgedampft. Die Folie 19 wird abgezogen und die metallische Schicht 20 auf die Klebemittelschicht 18 aufgebracht.In a subsequent processing station 35, a cold foil or cold stamping foil 19 with the metallic layer 20 is fed to the carrier 14. On this film 19, the metallic layer 20 is applied, especially vapor-deposited. The film 19 is peeled off and the metallic layer 20 is applied to the adhesive layer 18.

Darauf folgend wird in einer weiteren Bearbeitungsstation 36 die Strukturierung 21 beispielsweise mittels einer Druckwalze oder Druckplatte eingebracht. Die zur Strukturierung 21 vorgesehene Mikroprägung kann mit einem Flexo- oder Prägewerk erfolgen. Anschließend wird in einer Bearbeitungsstation 37 die Schutzschicht 23 aufgebracht, um zumindest die metallische Schicht 20 zu versiegeln.Subsequently, in a further processing station 36, the structuring 21 is introduced, for example, by means of a pressure roller or pressure plate. The intended for structuring 21 micro-embossing can be done with a flexo or embossing. Subsequently, in a processing station 37, the protective layer 23 is applied to seal at least the metallic layer 20.

In einer alternativen Ausführungsform des Herstellungsverfahrens für das Sicherheitsdokument 11 können die Bearbeitungsstationen 37, 36 auch vertauscht angeordnet sein, so dass zunächst die Schutzschicht 23 aufgebracht und anschließend die Prägung in die Schutzschicht 23 und metallische Schicht 20 eingebracht wird. Bei dem Einbringen der Strukturierung 21 kann es sich um das Einbringen eines Prägehologramms als auch um eine Guilloche oder dergleichen handeln.In an alternative embodiment of the manufacturing process for the security document 11, the processing stations 37, 36 may also be arranged reversed, so that first the protective layer 23 is applied and then the embossing is introduced into the protective layer 23 and metallic layer 20. The introduction of the structuring 21 may involve the introduction of an embossing hologram as well as a guilloche or the like.

Bei dem vorbeschriebenen Inline-Verfahren zur Herstellung des Sicherheitsdokumentes 11 kann gleichzeitig auch eine Qualitätskontrolle integriert werden, um das ordnungsgemäße Auf- beziehungsweise Einbringen der Strukturierung 21 auf die metallische Schicht 20 zu prüfen. Beispielsweise kann gleichzeitig mit dem Einbringen der Strukturierung 21 auf die metallische Schicht 20 benachbart zum Sicherheitselement 12 eine Prüf-Prägestruktur auf den Träger 14 oder bei der alternativen Ausführungsform des Herstellungsverfahrens auf die Schutzschicht 23 eingebracht werden. Die Positionierung dieser Prüf-Prägestruktur kann beliebig und vorzugsweise außerhalb der metallischen Schicht 20 auf dem Sicherheitsdokument 11 vorgesehen sein. Vorteilhafterweise ist ein Feld auf dem Sicherheitsdokument 11 zum Aufbringen der Prüf-Prägestruktur vorgesehen. Bei einer solchen Prüf-Prägestruktur kann es sich um ein Beugungsgitter handeln, welches beispielsweise als Sinus-Gitter, als Rechteckgitter oder als ein asymmetrisches Gitter ausgebildet sein kann. Mittels eines Sensors kann nach dem Einbringen der Prüf-Prägestruktur und der Strukturierung 21 eine Beugungseffizienz der Prüf-Prägestruktur gemessen werden. Der Sensor misst dabei die Helligkeit des gebeugten Signals der Prüf-Prägestruktur und gleicht dieses erfasste Signal mit einem vorbestimmten Erwartungswert oder Mindestwert ab. Sobald das durch den Sensor erfasste Signal oberhalb des Erwartungswertes beziehungsweise des Mindestwertes liegt, kann beispielsweise das Einbringen der Strukturierung 21 als "Gut" befunden werden. Liegt das Signal unterhalb des Erwartungswertes beziehungsweise des Mindestwertes, wird dieses Sicherheitselement 11 als "Schlecht" markiert und vor weiteren Prozessen aussortiert. Bevorzugt wird die Prüf-Prägestruktur gleichzeitig mit dem Einbringen der Strukturierung 21 eingebracht. Alternativ kann die Prüf-Prägestruktur auch dem Einbringen der Strukturierung 21 nachgeschalten sein. Durch das Einbinden des Sensors kann eine Inline-Qualitätsprüfung bei der Herstellung der Sicherheitsdokumente 11 ermöglicht sein.In the case of the above-described in-line method for producing the security document 11, it is also possible to integrate a quality control at the same time in order to check the proper application or introduction of the structuring 21 onto the metallic layer 20. For example, simultaneously with the introduction of the structuring 21 onto the metallic layer 20 adjacent to the security element 12, a test embossed structure can be applied to the carrier 14 or, in the alternative embodiment of the production method, to the protective layer 23. The positioning of this test embossed structure can be provided on the security document 11 as desired and preferably outside the metallic layer 20. Advantageously, a field is provided on the security document 11 for applying the test embossed structure. Such a test embossing structure may be a diffraction grating, which may be formed for example as a sine grid, as a rectangular grid or as an asymmetric grid. By means of a sensor, a diffraction efficiency of the test embossed structure can be measured after the introduction of the test embossed structure and the structuring 21. The sensor measures the brightness of the diffracted Signal of the test-embossed structure and compares this detected signal with a predetermined expected value or minimum value. As soon as the signal detected by the sensor is above the expected value or the minimum value, for example, the introduction of the structuring 21 can be found to be "good". If the signal is below the expected value or the minimum value, this security element 11 is marked as "bad" and sorted out before further processes. The test embossed structure is preferably introduced simultaneously with the introduction of the structuring 21. Alternatively, the test embossing structure can also be connected downstream of the introduction of the structuring 21. By integrating the sensor, an in-line quality check during the production of the security documents 11 can be made possible.

Aufgrund eines solchen Inline-Verfahrens zur Herstellung eines als Hologramm, insbesondere als Prägehologramm, ausgebildeten Sicherheitselementes 12 in einem Sicherheitsdokument 11 kann eine erhöhte Genauigkeit in der Anordnung und Positionierung des Sicherheitselementes 12 innerhalb des Trägers 14 gegenüber einem separat auflaminierten oder aufkaschierten Hologramm erfolgen. Zusätzlich kann durch die Kaltapplizierung eine erhöhte Fälschungssicherheit erzielt werden, da ein einfaches Ablösen durch Wärme der Strukturierung aufgrund der sich darüber befindenden Schutzschicht 23 erheblich erschwert ist.Due to such an inline method for producing a hologram, in particular as an embossed hologram, formed security element 12 in a security document 11 increased accuracy in the arrangement and positioning of the security element 12 within the carrier 14 against a separately laminated or laminated hologram. In addition, an increased protection against counterfeiting can be achieved by the cold application, since a simple detachment by the heat of the structuring due to the protective layer 23 located above it is considerably more difficult.

Claims (14)

  1. A security document having at least one security element (12) comprising a structuring (21), said security document comprising a support (14) on which a fluid layer (16) is applied for at least smoothing the surface of the support (14) in at least the surface extension of said security element (12), such that at least on portions thereof an adhesive layer (18) and a metallic layer (20) applied thereon are provided together with a protective layer (23) covering said metallic layer (20), with the structuring (21) being added at least to the metallic layer (20) and the structuring (21) forming the security element (12), with the protective layer extending at least over said structuring (21), characterised in that said protective layer (23) is applied in the form of a varnish layer.
  2. The security document as claimed in claim 1, characterised in that the fluid layer (16) is a primer printing layer.
  3. The security document as claimed in claim 1, characterised in that the adhesive layer (18) is a single component adhesive or a multicomponent adhesive, in particular a printing colour having an increased adhesive property.
  4. The security document as claimed in claim 1, characterised in that the metallic layer (20) is applied all-over or according to a pattern, in particular a guilloche or a lettering, or both.
  5. The security document as claimed in claim 1, characterised in that the metallic layer (20) is shiny silvery or coloured.
  6. The security document as claimed in claim 1, characterised in that the varnish layer is plain-coloured or multi-coloured, in particular translucent.
  7. The security document as claimed in claim 1, characterised in that the security element (12) is an embossed hologram.
  8. A method for providing a security document (11) with a security element (12) comprising a structuring (21), in particular as claimed in any one of claims 1 to 7,
    - in which a support (14) is supplied to a first one of a plurality of printing and/or processing stations (33 to 37) of a processing unit (28),
    - in which in processing station (33) a fluid layer (16) is applied at least with respect to the surface extension of the security element (12) for smoothing the surface of the support (14),
    - in which in the subsequent processing station (34) an adhesive layer (18) is applied at least on portions of the first fluid layer (16),
    - in which in a further subsequent processing station (35), a film (19) which supports a metallic layer (20) is supplied and the metallic layer (20) is applied onto the adhesive layer (18), whereupon the film (19) supporting the metallic layer (20) is peeled off,
    - in which in a further processing station (36), a structuring (21) is added to the metallic layer (20) and then, in a subsequent processing station (37), a fluid protective layer (23) is applied, or
    - in which, once the application of the metallic layer (20) has been accomplished, the fluid protective layer (23) is applied to the metallic layer (20) in a processing station (37) and then, in a subsequent processing station (36), the structuring (21) is added to both the protective layer (23) and the metallic layer (20).
  9. The method as claimed in claim 8, characterised in that the metallic layer (20) is supplied on a cold stamping film (19).
  10. The method as claimed in claim 8, characterised in that the structuring (21) is added to the metallic layer (20) using an embossing sleeve, an embossing roller or a printing roller.
  11. The method as claimed in claim 8, characterised in that subsequent to the adding of the metallic layer (20) to the adhesive layer (18), a drying step using UV or IR radiation is performed in a further processing station.
  12. The method as claimed in claim 8, characterised in that the fluid protective layer (23) is formed of a plurality of layers having each a different index of refraction.
  13. The method as claimed in claim 8, characterised in that the consecutive steps of the processing stations (33 to 37) are performed in an in-line process in which the support (14) is provided in the form of a continuous web and is cut into individual security documents (11) upon leaving the last processing station (36, 37).
  14. A utilisation of the security document (11) as claimed in any one of claims 1 to 7 as an identity document or a document of value, in particular an identification card, a personalisation data page, an identity card, or a security element for products, in particular labels or certification badges.
EP14741882.6A 2013-09-05 2014-07-22 Security document having at least one security element which comprises a structure, and method for the production thereof Active EP3041685B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013109701.4A DE102013109701A1 (en) 2013-09-05 2013-09-05 Security document with at least one security element comprising a structuring and method for its production
PCT/EP2014/065688 WO2015032541A1 (en) 2013-09-05 2014-07-22 Security document having at least one security element which comprises a structure, and method for the production thereof

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EP3041685A1 EP3041685A1 (en) 2016-07-13
EP3041685B1 true EP3041685B1 (en) 2017-09-27

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EP14741882.6A Active EP3041685B1 (en) 2013-09-05 2014-07-22 Security document having at least one security element which comprises a structure, and method for the production thereof

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EP (1) EP3041685B1 (en)
CN (1) CN105492217A (en)
DE (1) DE102013109701A1 (en)
WO (1) WO2015032541A1 (en)

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DE4132476A1 (en) * 1991-09-30 1993-04-01 Matthiesen Geb Sievers Gerda Hologram printing on paper or cardboard at high speeds - has varnish layer on web print material to be hardened by UV setting
DE10013410B4 (en) * 2000-03-17 2011-05-05 Ovd Kinegram Ag Laminate, in particular in the form of cards, and process for its production
GB0326576D0 (en) * 2003-11-14 2003-12-17 Printetch Ltd Printing composition
DE102005028161A1 (en) * 2005-06-17 2006-12-21 Giesecke & Devrient Gmbh Thermographically acceptable image-receiving layer for portable data carriers and portable data carriers
DE102007048102A1 (en) * 2007-10-06 2009-04-09 Leonhard Kurz Gmbh & Co. Kg Security element for marking a security document and method for its production
DE102009024987A1 (en) * 2009-06-16 2010-12-23 Giesecke & Devrient Gmbh Foil composite banknote
DE102009033762A1 (en) * 2009-07-17 2011-01-27 Leonhard Kurz Stiftung & Co. Kg Method for producing a multilayer body and multilayer body
DE102009052538A1 (en) 2009-11-11 2011-05-12 Giesecke & Devrient Gmbh Producing a provided with colored microwells security element
FR2979734B1 (en) * 2011-09-02 2014-05-23 Arjowiggins Security SECURITY STRUCTURE COMPRISING A REFLECTIVE OPTICAL STRUCTURE AND ASSOCIATED METHOD.
DE102011114211A1 (en) * 2011-09-23 2013-03-28 Giesecke & Devrient Gmbh Value document substrate, film composite, method for producing the same and value document

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Also Published As

Publication number Publication date
CN105492217A (en) 2016-04-13
EP3041685A1 (en) 2016-07-13
DE102013109701A1 (en) 2015-03-05
WO2015032541A1 (en) 2015-03-12

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