EP3041685B1 - Document de sécurité comportant au moins un élément de sécurité à motifs et procédé pour sa fabrication - Google Patents

Document de sécurité comportant au moins un élément de sécurité à motifs et procédé pour sa fabrication 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
Authority
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.)
Active
Application number
EP14741882.6A
Other languages
German (de)
English (en)
Other versions
EP3041685A1 (fr
Inventor
Alexander MOMBRÉE
Michael Knebel
Henrik Ramuta
Reiner Seidel
André LEOPOLD
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bundesdruckerei GmbH
Original Assignee
Bundesdruckerei GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Publication of EP3041685A1 publication Critical patent/EP3041685A1/fr
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Publication of EP3041685B1 publication Critical patent/EP3041685B1/fr
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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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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Credit Cards Or The Like (AREA)
  • Holo Graphy (AREA)

Claims (14)

  1. Document de sécurité pourvu d'au moins un élément de sécurité (12) comprenant une structuration (21), lequel document comprend un support (14) sur lequel est appliquée, au moins dans l'extension de surface de l'élément de sécurité (12), une couche fluide (16), et ce au moins en vue de lisser la surface du support (14) de telle sorte que sur ladite couche est prévue, au moins en partie, une couche de substance adhésive (18) et, appliquée sur cette dernière, une couche métallique (20) pourvue d'une couche protectrice (23) qui recouvre ladite couche métallique (20), la structuration (21) étant réalisée au moins dans la couche métallique (20) et ladite structuration (21) formant l'élément de sécurité (12), la couche protectrice s'étendant au moins par-dessus la structuration (21), caractérisé en ce qu'une couche de vernis est appliquée en tant que couche protectrice (23).
  2. Document de sécurité selon la revendication 1, caractérisé en ce que la couche fluide (16) est une couche d'impression d'apprêt.
  3. Document de sécurité selon la revendication 1, caractérisé en ce que la couche de substance adhésive (18) est constituée par une substance adhésive à un ou plusieurs constituants, en particulier par une couleur d'impression ayant une propriété adhésive accrue.
  4. Document de sécurité selon la revendication 1, caractérisé en ce que la couche métallique (20) est appliquée sur toute la surface ou avec un motif donné, en particulier un guilloché ou une suite de lettres ou les deux à la fois.
  5. Document de sécurité selon la revendication 1, caractérisé en ce que la couche métallique (20) est de couleur argentée brillante ou teintée.
  6. Document de sécurité selon la revendication 1, caractérisé en ce que la couche de vernis est en une ou plusieurs couleurs, en particulier lasurée.
  7. Document de sécurité selon la revendication 1, caractérisé en ce que l'élément de sécurité (12) est un hologramme estampé.
  8. Procédé destiné à la fabrication d'un élément de sécurité (12) comprenant une structuration (21) et figurant sur un document de sécurité (11), en particulier selon l'une quelconque des revendications 1 à 7,
    - lors duquel un support (14) est amené à une première station d'impression et/ou d'usinage (33 à 37) d'une unité d'usinage (28) qui en compte plusieurs,
    - lors duquel, dans la station d'usinage (33), une couche fluide (16) est appliquée au moins dans l'extension de surface de l'élément de sécurité (12) en vue de lisser la surface du support (14),
    - lors duquel, dans la station d'usinage suivante (34), une couche de substance adhésive (18) est appliquée au moins en partie sur la première couche fluide (16),
    - lors duquel, dans une autre station d'usinage suivante (35), une feuille (19) qui porte une couche métallique (20) est amenée et la feuille métallique (20) est appliquée sur la couche de substance adhésive (18) et la feuille (19) qui porte la couche métallique (20) est retirée,
    - lors duquel, dans une autre station d'usinage (36), la structuration (21) est réalisée dans la couche métallique (20), puis dans une station d'usinage suivante (37), une couche protectrice fluide (23) est appliquée ou
    - lors duquel, après l'application de la couche métallique (20), la couche protectrice fluide (23) est appliquée sur ladite couche métallique (20) dans une station d'usinage (37) puis, dans une station d'usinage suivante (36), la structuration (21) est réalisée dans la couche protectrice (23) et la couche métallique (20).
  9. Procédé selon la revendication 8, caractérisé en ce que la couche métallique (20) est amenée sur une feuille pour estampage à froid (19).
  10. Procédé selon la revendication 8, caractérisé en ce que la structuration (21) est réalisée sur la couche métallique (20) à l'aide d'une douille d'estampage, d'un rouleau d'estampage ou d'un rouleau d'impression.
  11. Procédé selon la revendication 8, caractérisé en ce que, après l'application de la couche métallique (20) sur la couche de substance adhésive (18), un séchage par rayonnement ultraviolet ou infrarouge est effectué dans une autre station d'usinage.
  12. Procédé selon la revendication 8, caractérisé en ce que la couche protectrice fluide (23) est formée de plusieurs couches qui présentent un indice de réfraction différent.
  13. Procédé selon la revendication 8, caractérisé en ce que les étapes successives effectuées dans les stations d'usinage (33 à 37) sont exécutées dans un procédé en ligne lors duquel le support (14) est introduit en tant que matériau en bande et est coupé, après la dernière station d'usinage (36, 37), pour obtenir des documents de sécurité (11).
  14. Utilisation du document de sécurité (11) selon l'une quelconque des revendications 1 à 7 en tant que pièce d'identité ou document de valeur, en particulier en tant que carte d'identification, page de données de personnalisation, carte d'identité ou en tant qu'élément de sécurité pour produits, en particulier étiquette ou cachet.
EP14741882.6A 2013-09-05 2014-07-22 Document de sécurité comportant au moins un élément de sécurité à motifs et procédé pour sa fabrication Active EP3041685B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013109701.4A DE102013109701A1 (de) 2013-09-05 2013-09-05 Sicherheitsdokument mit zumindest einem eine Strukturierung umfassenden Sicherheitselement und Verfahren zu dessen Herstellung
PCT/EP2014/065688 WO2015032541A1 (fr) 2013-09-05 2014-07-22 Document de sécurité comportant au moins un élément de sécurité à motifs et procédé pour sa fabrication

Publications (2)

Publication Number Publication Date
EP3041685A1 EP3041685A1 (fr) 2016-07-13
EP3041685B1 true EP3041685B1 (fr) 2017-09-27

Family

ID=51212849

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14741882.6A Active EP3041685B1 (fr) 2013-09-05 2014-07-22 Document de sécurité comportant au moins un élément de sécurité à motifs et procédé pour sa fabrication

Country Status (4)

Country Link
EP (1) EP3041685B1 (fr)
CN (1) CN105492217A (fr)
DE (1) DE102013109701A1 (fr)
WO (1) WO2015032541A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE4132476A1 (de) * 1991-09-30 1993-04-01 Matthiesen Geb Sievers Gerda Verfahren, bedruckstoff und einrichtung zur verfielfaeltigung von holographischen feinstrukturen und anderen beugungsgittern auf printprodukte
DE10013410B4 (de) * 2000-03-17 2011-05-05 Ovd Kinegram Ag Laminat, insbesondere in Form von Karten, und Verfahren zu dessen Herstellung
GB0326576D0 (en) * 2003-11-14 2003-12-17 Printetch Ltd Printing composition
DE102005028161A1 (de) * 2005-06-17 2006-12-21 Giesecke & Devrient Gmbh Thermographiegeeignete Bildempfangsschicht für tragbare Datenträger und tragbarer Datenträger
DE102007048102A1 (de) * 2007-10-06 2009-04-09 Leonhard Kurz Gmbh & Co. Kg Sicherheitselement zur Kennzeichnung eines Sicherheitsdokuments und Verfahren zu seiner Herstellung
DE102009024987A1 (de) * 2009-06-16 2010-12-23 Giesecke & Devrient Gmbh Folienverbundbanknote
DE102009033762A1 (de) * 2009-07-17 2011-01-27 Leonhard Kurz Stiftung & Co. Kg Verfahren zur Herstellung eines Mehrschichtkörpers sowie Mehrschichtkörper
DE102009052538A1 (de) 2009-11-11 2011-05-12 Giesecke & Devrient Gmbh Herstellung eines mit gefärbten Mikrovertiefungen versehenen Sicherheitselementes
FR2979734B1 (fr) * 2011-09-02 2014-05-23 Arjowiggins Security Structure de securite comportant une structure optique reflechissante, et procede associe.
DE102011114211A1 (de) * 2011-09-23 2013-03-28 Giesecke & Devrient Gmbh Wertdokumentsubstrat, Folienverbund, Verfahren zum Herstellen derselben und Wertdokument

Non-Patent Citations (1)

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Title
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Also Published As

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

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