EP2550166A1 - Security element and production method therefor - Google Patents

Security element and production method therefor

Info

Publication number
EP2550166A1
EP2550166A1 EP11709644A EP11709644A EP2550166A1 EP 2550166 A1 EP2550166 A1 EP 2550166A1 EP 11709644 A EP11709644 A EP 11709644A EP 11709644 A EP11709644 A EP 11709644A EP 2550166 A1 EP2550166 A1 EP 2550166A1
Authority
EP
European Patent Office
Prior art keywords
optical
optical structure
security element
security
window
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.)
Granted
Application number
EP11709644A
Other languages
German (de)
French (fr)
Other versions
EP2550166B1 (en
Inventor
Andreas Rauch
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.)
Giesecke and Devrient GmbH
Original Assignee
Giesecke and Devrient 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
Application filed by Giesecke and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Publication of EP2550166A1 publication Critical patent/EP2550166A1/en
Application granted granted Critical
Publication of EP2550166B1 publication Critical patent/EP2550166B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B42D25/351—Translucent or partly translucent parts, e.g. windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/328—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
    • B42D25/342—Moiré effects
    • 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
    • B42D25/355—Security threads
    • B42D2033/06—
    • B42D2035/36—

Definitions

  • the invention relates to a security element for security papers, documents of value or the like, having a carrier having a front and a back, a lamination applied to the carrier and an optical structure comprising a top side, a bottom side and an optical element, and one of creates a visually perceptible motif on top.
  • the invention further relates to a document of value with such a security element.
  • the invention further relates to a manufacturing method for a security element for security papers, documents of value or the like, in which a front and a back having carrier is provided, an optical structure is provided which comprises a top, a bottom and an optical element, and creates a visually perceptible feature from the top, and a lamination is applied to the carrier.
  • Items to be protected are often provided with a security element that allows verification of the authenticity of the item and at the same time serves as protection against unauthorized reproduction.
  • Items to be protected include, for example, security papers, identity and value documents (such as bank notes, chip cards, passports, identification cards, identity cards, stocks, bonds, certificates, vouchers, Checks, tickets, credit cards, health cards, Among others, product security elements such as labels, seals, packaging.
  • identity and value documents such as bank notes, chip cards, passports, identification cards, identity cards, stocks, bonds, certificates, vouchers, Checks, tickets, credit cards, health cards, .
  • product security elements such as labels, seals, packaging.
  • the security against forgery of a security element is particularly great when the security element shows perceptible motifs that are generated by an optical effect that can not be reproduced with a copied motif.
  • a combination of microstructure elements with overlying microlenses has proven to be particularly tamper-proof which magnifies the microstructure elements.
  • Moire effect can be used.
  • Such security elements are therefore also referred to as "modulo mapping” or "Moire Magnifier”.
  • An exemplary description of such a security element can be found in WO 2008/031170 AI, according to which the microlenses and the microstructures are produced by using an embossable lacquer.
  • Such optical structures can not be reproduced with conventional copying processes, since the optical imaging can be designed in particular as dependent on the viewing angle. For example, this is known. an orthoparallactic effect.
  • optical elements for example in the form of said microlens, are necessary.
  • their imaging effect requires that the optical elements, eg the microlenses, have an uneven surface.
  • the front of the optical structure is therefore usually not plan. Unwanted reproduction of the optical elements by molding the surface can therefore not be ruled out.
  • the invention is therefore the object of developing a security element of the type mentioned so that the security against counterfeiting is increased.
  • a security element for security papers, documents of value or the like having a carrier having a front side and a rear side, a lamination applied to the carrier and an optical structure comprising an optical element having a lower and an upper side, and produces a visually perceptible from the top motif, wherein the carrier has at least one window, the optical structure is placed on the back of the carrier over the window, with its top to the front, so that the subject from the front through the window Visible visually, and the lamination is attached to the back, and covers the optical structure on the underside.
  • the object is further achieved by a value document with such a security element.
  • the object is also achieved by a manufacturing method for a security element for security papers, documents of value or the like, in which a front and a back having carrier is provided, an optical structure is provided comprising a microstructure and an optical element and a top and a Underside has, and creates a visually perceptible from this top motif, and on the carrier a lamination is applied, wherein the provided carrier has at least one window or is provided with at least one window, the optical structure on the back of the carrier on the Window is placed, with the optical structure with its top to Front is indicative, so that the motif from the front through the window is visually perceptible, and the lamination on the back of the carrier and the optical structure is attached to the underside overlapping.
  • the different sides of the carrier and the optical structure are distinguished by different terms.
  • the carrier has a front and a back, the optical structure has a top and a bottom.
  • This choice of terminology serves the conceptual distinction of the top surfaces of the support and optical structure and is otherwise not intended to represent a technical limitation.
  • the invention thus provides that the optical structure which generates the particularly forgery-proof motif is applied to the back of the security element so that its upper side and thus the motif generated by the optical structure through a window in the security element when viewed from the front of the security element are visible.
  • the optical element is covered by the lamination from the rear side of the carrier.
  • This construction makes it possible to embed the optical element (for example comprising a moire magnifier or a modulo mapper or other optically active structures) in a security element.
  • the underside of the optical structure is covered, allowing access for unauthorized reproduction, e.g. B. by impression, difficult.
  • the underside of the optical structure is further protected against mechanical influence and chemical influence.
  • the top of the optical structure This is located in the window and can therefore be molded only very difficult. At the same time they or the like against contamination protected, which in particular provided at the top optical elements that protrude spatially, z. B.
  • the optical structure has optical elements on its upper side. These optical elements may particularly preferably be a microlens array, which cooperates with microstructures underlying the upper side. In this way, a Moir0 magnifier or a modulo-mapping element, as known from WO 2009/000528, can be realized in the optical structure. According to experience, such elements are particularly tamper-proof.
  • the optical element of the optical structure may also be, for example, a Fresnel structure or a hologram.
  • the 3D structure in particular the structure disclosed in DE 10 2009 056 934 can be used. The disclosure of the two writings mentioned in this paragraph is fully incorporated here.
  • microstructures that are embedded on the underside of the optical structure by the lamination. This can be done by color filling, as described in WO 2005/052650, microtip printing, as described in DE 102006 029852, or by filling with nanoparticles or nanostructures.
  • the publications mentioned herein are to be considered as fully incorporated into this description. It is also possible to provide microstructures with a transparent or semitransparent metallization or with a layer system which effects viewing-angle-dependent color properties (so-called color shift). It is also possible to embed the microstructures with a lacquer system which is located between the microstructures and the embedment has a refractive index difference of at least 0.3.
  • the optical structure can be particularly preferably provided in the form of a separately produced strip, which is then applied to the carrier.
  • a further security element in this strip in addition to the optical structure at other locations, e.g. an additional hologram. This is only visible from the back, as it is not over the window.
  • a strip may be used which has a plurality of optical structures, if appropriate in the carrier correspondingly more windows are formed.
  • the overlapping of the optical structure according to the invention on the back side of the carrier has, as a further advantage, that such a strip can be printed well, since a uniform pressure-accepting layer is available.
  • the security element can be designed, in particular, as a security thread, tear-open thread, security strip, security strip, patch or as a label for application to a security paper, value document or the like.
  • security paper is understood here in particular as the precursor that can not yet be processed to form a value document which, in addition to the security element according to the invention, may also have further authenticity features (such as, for example, luminescent substances provided in the volume).
  • value documents are here on the one hand from security understood documents.
  • value documents can also be other documents and objects which can be provided with the security feature according to the invention, so that the value documents have non-copyable authenticity features, whereby an authenticity check is possible and at the same time unwanted copies are prevented.
  • the manufacturing method according to the invention can be developed so that the described preferred embodiments and embodiments of the security element are produced.
  • FIG. 1 is a plan view of a banknote with a security element 1 from the front
  • Fig. 3 is a section along the line A-A of Fig. 2 and
  • FIG. 4 shows a section along the line BB of Fig. 2nd
  • the figures are not shown to scale for ease of illustration. Furthermore, partial hatching is not shown in order to be able to present the structure of the corresponding security element in a clearer manner.
  • elements which in different embodiments functionally and / or structurally resemble or correspond bear the same reference numbers in all figures in order to avoid description repetitions.
  • one side is referred to as the front side, the other side as the back side.
  • one side of an optical structure is referred to as bottom side, the other as top side. This convention is merely for ease of understanding and is not intended to be limiting as to the construction and / or application of the security element.
  • Fig. 1 shows in plan view a banknote 1, as seen from the front side 2 thereof.
  • a motif 3 can be seen, which is located in a window 4 of the banknote 1.
  • Fig. 2 shows the banknote 1 from the back 5.
  • a strip 6 is applied, which covers, inter alia, the window 4.
  • This strip 6 comprises an optical structure, which is explained below with reference to the sectional view of FIG. 3, which shows a section along the line A-A of FIG. 2. The position of the optical structure and thus of the window 4 is shown in dashed lines in the figure.
  • the banknote 1 is constructed on a carrier 7, into which the window 4 is introduced (eg by punching), preferably after a foil has been laminated onto the front side 2.
  • this lamination is only required if a corresponding film is desired on the front.
  • the structure of the front side 2 is otherwise irrelevant to the security element described here.
  • the strip 6 is applied in such a way that the optical structure 8 comes to lie above the window 4.
  • the optical element 8 of the strip 6 is constructed as follows. It has on its upper side 15 microlenses 9, which were produced for example by embossing a suitable plastic layer.
  • the microlenses 9 are located above a spacer material 10, which is optically transparent and, for example, also realized by a plastic film.
  • Microstructure elements 11 are located on the rear side of underside 14 of optical element 8 opposite top side 15. The geometric arrangement or the design of microstructure elements 11 and the pattern in which microlenses 9 are arranged are matched to one another in such a way that they are viewed from the top gives a perceptible motif.
  • the optical element 8 can thus realize, for example, a known moiré magnifier.
  • a lamination on the back 5 by means of a laminating paint 12a and a film 13a is provided. This lamination is applied to the back 5 so that the bottom 14 of the optical structure 8 is covered, so this is not exposed.
  • the lamination by means of laminating lacquer 12a and foil 13a can correspond to the lamination by means of laminating lacquer 12b and foil 13b on the front side 2 of the banknote 1.
  • FIG. 4 shows a sectional view similar to FIG. 3, but along the line BB of FIG. 2, ie in a sectional plane which does not pass through the optical structure 8.
  • the strip 6 is in these areas in Essentially exclusively from the film, which serves as a spacer 10 in the field of optical structure.
  • a hologram structure 16 is formed on the film, which is visible from the back 5 of the banknote 1 with suitable transparency of the lamination (layers 12a and 13a). In this way, the strip 6 not only effects a motif visible on the front side, which is produced by the optical structure 8, but at the same time also a motif provided on the rear side by the hologram structure 16.

Abstract

In a security element for security papers, documents of value or the like, having a carrier (7) which has a front side (2) and a rear side (5), a lamination (13a, 12a) which is applied to the carrier (7), and an optical structure (8) which comprises an upper side (15), an underside (14) and an optical element (9), and produces a motif (3) which can be perceived visually from the upper side (15), it is provided that the carrier (7) has at least one window (4), the optical structure (9) is laid with its upper side (15) on the rear side (5) of the carrier (7) over the window (4), with the result that the motif (3) can be perceived visually through the window (4) from the front side (2), and the lamination (13a, 12a) is attached on the rear side (5) and covers the underside (14) of the optical structure (8).

Description

Sicherheitselement und  Security element and
Herstellungsverf ahren daf ür  Manufacturing process for it
Die Erfindung bezieht sich auf ein Sicherheitselement für Sicherheitspapiere, Wertdokumente oder dergleichen, mit einem eine Vorderseite und eine Rückseite aufweisenden Träger, einer auf den Träger aufgebrachten Kaschierung und einer Optikstruktur, die eine Oberseite, eine Unterseite und ein optisches Element umfasst, und die ein von der Oberseite visuell wahr- nehmbares Motiv erzeugt. The invention relates to a security element for security papers, documents of value or the like, having a carrier having a front and a back, a lamination applied to the carrier and an optical structure comprising a top side, a bottom side and an optical element, and one of creates a visually perceptible motif on top.
Die Erfindung bezieht sich weiter auf ein Wertdokument mit einem solchen Sicherheitselement. Die Erfindung bezieht sich weiter auch auf ein Herstellungsverfahren für ein Sicherheitselement für Sicherheitspapiere, Wertdokumente oder dergleichen, bei dem ein eine Vorderseite und eine Rückseite aufweisender Träger bereitgestellt wird, eine Optikstruktur bereitgestellt wird, die eine Oberseite, eine Unterseite und ein optisches Element umfasst, und ein von der Oberseite visuell wahrnehmbares Merkmal erzeugt, und auf den Träger eine Kaschierung aufgebracht wird. The invention further relates to a document of value with such a security element. The invention further relates to a manufacturing method for a security element for security papers, documents of value or the like, in which a front and a back having carrier is provided, an optical structure is provided which comprises a top, a bottom and an optical element, and creates a visually perceptible feature from the top, and a lamination is applied to the carrier.
Zu schützende Gegenstände werden häufig mit einem Sicherheitselement ausgestattet, das eine Überprüfung der Echtheit des Gegenstandes erlaubt und zugleich als Schutz vor unerlaubter Reproduktion dient. Items to be protected are often provided with a security element that allows verification of the authenticity of the item and at the same time serves as protection against unauthorized reproduction.
Zu schützende Gegenstände sind beispielsweise Sicherheitspapiere, Ausweis- und Wertdokumente (wie z.B. Banknoten, Chipkarten, Pässe, Identifikationskarten, Ausweiskarten, Aktien, Anleihen, Urkunden, Gutscheine, Schecks, Eintrittskarten, Kreditkarten, Gesundheitskarten, ...) sowie Produktsicherungselemente, wie z.B. Etiketten, Siegel, Verpackungen. Items to be protected include, for example, security papers, identity and value documents (such as bank notes, chip cards, passports, identification cards, identity cards, stocks, bonds, certificates, vouchers, Checks, tickets, credit cards, health cards, ...) as well as product security elements such as labels, seals, packaging.
Die Fälschungssicherheit eines Sicherheitselementes ist dann besonders groß, wenn das Sicherheitselement wahrnehmbare Motive zeigt, die durch einen optischen Effekt erzeugt werden, der mit einem kopierten Motiv nicht reproduziert werden kann. The security against forgery of a security element is particularly great when the security element shows perceptible motifs that are generated by an optical effect that can not be reproduced with a copied motif.
Als besonders fälschungssicher hat sich eine Kombination von Mikrostruk- turelementen mit darüberliegenden Mikrolinsen erwiesen, welche die Mik- rostrukturelemente vergrößert abbilden. Hierbei kann der sogenannte Moire- Effekt verwendet werden. Solche Sicherheitselemente werden deshalb auch als„Modulo-Mapping" oder„Moire-Magnifier" bezeichnet. Eine exemplarische Schilderung eines solchen Sicherheitselementes findet sich in der WO 2008/031170 AI, gemäß der die Mikrolinsen und die Mikrostrukturen durch Verwendung eines prägbaren Lackes erzeugt werden. Derartige Optikstrukturen sind mit herkömmlichen Kopiervorgängen nicht reproduzierbar, da die optische Abbildung insbesondere blickwinkelabhängig gestaltet sein kann. Bekannt ist hierfür z.B. ein orthoparallaktischer Effekt. A combination of microstructure elements with overlying microlenses has proven to be particularly tamper-proof which magnifies the microstructure elements. Here, the so-called Moire effect can be used. Such security elements are therefore also referred to as "modulo mapping" or "Moire Magnifier". An exemplary description of such a security element can be found in WO 2008/031170 AI, according to which the microlenses and the microstructures are produced by using an embossable lacquer. Such optical structures can not be reproduced with conventional copying processes, since the optical imaging can be designed in particular as dependent on the viewing angle. For example, this is known. an orthoparallactic effect.
Für diese Fälschungssicherheit ist allerdings eine optische Abbildung erforderlich, weshalb optische Elemente, beispielsweise in Form der genannten Mikrolinse, nötig sind. Deren abbildende Wirkung bedingt in der Regel, dass die optischen Elemente, z.B. die Mikrolinsen, eine unebene Oberfläche ha- ben. Die Vorderseite der Optikstruktur ist deshalb in der Regel nicht plan. Eine unerwünschte Reproduktion der optischen Elemente durch Abformen der Oberfläche ist deshalb nicht auszuschließen. Der Erfindung liegt deshalb die Aufgabe zugrunde, ein Sicherheitselement der genannten Art so weiterzubilden, dass die Fälschungssicherheit erhöht ist. Diese Aufgabe wird gelöst durch ein Sicherheitselement für Sicherheitspapiere, Wertdokumente oder dergleichen, mit einem eine Vorderseite und eine Rückseite aufweisenden Träger, einer auf den Träger aufgebrachten Kaschierung und einer Optikstruktur, die ein optisches Element umfasst, die eine Unter- und eine Oberseite aufweist, und ein von der Oberseite visuell wahrnehmbares Motiv erzeugt, wobei der Träger mindestens ein Fenster aufweist, die Optikstruktur an der Rückseite des Trägers über das Fenster gelegt ist, wobei sie mit ihrer Oberseite zur Vorderseite hin liegt, so dass das Motiv von der Vorderseite durch das Fenster visuell wahrnehmbar ist, und die Kaschierung auf der Rückseite angebracht ist, und die Optikstruktur an deren Unterseite überdeckt. For this security against counterfeiting, however, an optical image is required, which is why optical elements, for example in the form of said microlens, are necessary. As a rule, their imaging effect requires that the optical elements, eg the microlenses, have an uneven surface. The front of the optical structure is therefore usually not plan. Unwanted reproduction of the optical elements by molding the surface can therefore not be ruled out. The invention is therefore the object of developing a security element of the type mentioned so that the security against counterfeiting is increased. This object is achieved by a security element for security papers, documents of value or the like, having a carrier having a front side and a rear side, a lamination applied to the carrier and an optical structure comprising an optical element having a lower and an upper side, and produces a visually perceptible from the top motif, wherein the carrier has at least one window, the optical structure is placed on the back of the carrier over the window, with its top to the front, so that the subject from the front through the window Visible visually, and the lamination is attached to the back, and covers the optical structure on the underside.
Die Aufgabe wird weiter gelöst durch ein Wertdokument mit einem solchen Sicherheitselement. Die Aufgabe wird ebenfalls gelöst durch ein Herstellungsverfahren für ein Sicherheitselement für Sicherheitspapiere, Wertdokumente oder dergleichen, bei dem ein eine Vorderseite und eine Rückseite aufweisender Träger bereitgestellt wird, eine Optikstruktur bereitgestellt wird, die eine Mikrostruktur und ein optisches Element umfasst und eine Ober- und eine Unterseite auf- weist, und ein von dieser Oberseite aus visuell wahrnehmbares Motiv erzeugt, und auf den Träger eine Kaschierung aufgebracht wird, wobei der bereitgestellte Träger mindestens ein Fenster aufweist oder mit mindestens einem Fenster versehen wird, die Optikstruktur an der Rückseite des Trägers über das Fenster gelegt wird, wobei die Optikstruktur mit ihrer Oberseite zur Vorderseite hinweisend liegt, so dass das Motiv von der Vorderseite durch das Fenster visuell wahrnehmbar ist, und die Kaschierung auf der Rückseite des Trägers und die Optikstruktur an deren Unterseite überdeckend angebracht wird. The object is further achieved by a value document with such a security element. The object is also achieved by a manufacturing method for a security element for security papers, documents of value or the like, in which a front and a back having carrier is provided, an optical structure is provided comprising a microstructure and an optical element and a top and a Underside has, and creates a visually perceptible from this top motif, and on the carrier a lamination is applied, wherein the provided carrier has at least one window or is provided with at least one window, the optical structure on the back of the carrier on the Window is placed, with the optical structure with its top to Front is indicative, so that the motif from the front through the window is visually perceptible, and the lamination on the back of the carrier and the optical structure is attached to the underside overlapping.
In der nachfolgenden Beschreibung der Erfindung sowie in der oben stehenden Definition der Erfindung werden die unterschiedlichen Seiten des Trägers und der Optikstruktur durch verschiedene Begriffe unterschieden. Der Träger hat eine Vorder- und eine Rückseite, die Optikstruktur eine Ober- und eine Unterseite. Diese Begriffswahl dient der begrifflichen Unterscheidung der Deckflächen von Träger und Optikstruktur und soll ansonsten keine technische Einschränkung bedeuten. In the following description of the invention and in the above definition of the invention, the different sides of the carrier and the optical structure are distinguished by different terms. The carrier has a front and a back, the optical structure has a top and a bottom. This choice of terminology serves the conceptual distinction of the top surfaces of the support and optical structure and is otherwise not intended to represent a technical limitation.
Die Erfindung sieht also vor, dass die Optikstruktur, welche das besonders fälschungssichere Motiv erzeugt, auf der Rückseite des Sicherheitselementes so aufgebracht wird, dass ihre Oberseite und damit das von der Optikstruktur erzeugte Motiv durch ein Fenster im Sicherheitselement bei Betrachtung von der Vorderseite des Sicherheitselementes aus sichtbar sind. Zugleich ist von der Rückseite des Trägers her das Optikelement durch die Kaschierung abgedeckt. Dieser Aufbau erlaubt es, das Optikelement (beispielsweise umfassend einen Moire-Magnifier oder einen Modulo-Mapper oder andere optisch wirksame Strukturen) in ein Sicherheitselement einzubetten. Die Unterseite der Optikstruktur ist abgedeckt, was einen Zugriff für unerlaubte Reproduktion, z. B. durch Abformung, erschwert. Die Unterseite der Optik- struktur ist weiter dadurch gegen mechanische Beeinflussung und chemische Beeinflussung geschützt. The invention thus provides that the optical structure which generates the particularly forgery-proof motif is applied to the back of the security element so that its upper side and thus the motif generated by the optical structure through a window in the security element when viewed from the front of the security element are visible. At the same time, the optical element is covered by the lamination from the rear side of the carrier. This construction makes it possible to embed the optical element (for example comprising a moire magnifier or a modulo mapper or other optically active structures) in a security element. The underside of the optical structure is covered, allowing access for unauthorized reproduction, e.g. B. by impression, difficult. The underside of the optical structure is further protected against mechanical influence and chemical influence.
Das Gleiche gilt für die Oberseite der Optikstruktur. Diese liegt im Fenster und kann somit ebenfalls nur sehr erschwert abgeformt werden. Zugleich ist sie gegen Verschmutzung o.ä. geschützt, was insbesondere bei an der Oberseite vorgesehenen optischen Elementen, die räumlich vorstehen, z. B. The same applies to the top of the optical structure. This is located in the window and can therefore be molded only very difficult. At the same time they or the like against contamination protected, which in particular provided at the top optical elements that protrude spatially, z. B.
bei Mikrolinsenelementen, vorteilhaft ist. Die Optikstruktur weist an ihrer Oberseite optische Elemente auf. Bei diesen optischen Elementen kann es sich besonders bevorzugt um ein Mikrolinsen- array handeln, das mit von der Oberseite aus gesehen darunterliegenden Mikrostrukturen zusammenwirkt. Auf diese Weise kann ein Moirö-Magni- fier oder ein Modulo-Mapping-Element, wie es aus WO 2009/ 000528 be- kannt ist, in der Optikstruktur realisiert werden. Derartige Elemente sind erfahrungsgemäß besonders fälschungssicher. Es kann sich beim optischen Element der Optikstruktur aber auch beispielsweise um eine Fresnel- Struktur oder ein Hologramm handeln. Hinsichtlich der 3D-Struktur kann insbesondere die Struktur verwendet werden, die in der DE 10 2009 056 934 offenbart ist. Der Offenbarungsgehalt der beiden in diesem Absatz genannten Schriften sei hier vollständig einbezogen. in microlens elements, is advantageous. The optical structure has optical elements on its upper side. These optical elements may particularly preferably be a microlens array, which cooperates with microstructures underlying the upper side. In this way, a Moir0 magnifier or a modulo-mapping element, as known from WO 2009/000528, can be realized in the optical structure. According to experience, such elements are particularly tamper-proof. However, the optical element of the optical structure may also be, for example, a Fresnel structure or a hologram. With regard to the 3D structure, in particular the structure disclosed in DE 10 2009 056 934 can be used. The disclosure of the two writings mentioned in this paragraph is fully incorporated here.
Zur gesteigerten Fälschungssicherheit ist es möglich, Mikrostrukturen, die an der Unterseite der Optikstruktur durch die Kaschierung eingebettet sind, farbig auszugestalten oder einzufärben. Dies kann durch Farbfüllung, wie in WO 2005/052650 beschrieben, Mikrotiefdruck, wie in DE 102006 029852 beschrieben, oder durch Füllen mit Nanopartikeln oder Nanostrukturen geschehen. Die hier genannten Druckschriften sollen als gänzlich in diese Beschreibung eingebunden gelten. Auch ist es möglich, Mikrostrukturen mit einer transparenten oder semitransparenten Metallisierung oder mit einem Schichtsystem zu versehen, das blickwinkelabhängige Farbeigenschaften bewirkt (sogenannter Color-Shift). Weiter ist es möglich, die Mikrostrukturen mit einem Lacksystem einzubetten, welches zwischen den Mikrostrukturen und der Einbettung einen Brechungsindexunterschied von mindestens 0,3 aufweist. For increased security against counterfeiting, it is possible to colorize or colorize microstructures that are embedded on the underside of the optical structure by the lamination. This can be done by color filling, as described in WO 2005/052650, microtip printing, as described in DE 102006 029852, or by filling with nanoparticles or nanostructures. The publications mentioned herein are to be considered as fully incorporated into this description. It is also possible to provide microstructures with a transparent or semitransparent metallization or with a layer system which effects viewing-angle-dependent color properties (so-called color shift). It is also possible to embed the microstructures with a lacquer system which is located between the microstructures and the embedment has a refractive index difference of at least 0.3.
Die Optikstruktur kann besonders bevorzugt in Form eines separat herge- stellten Streifens vorgesehen werden, der dann auf dem Träger aufgebracht wird. Zur weiteren Fälschungssicherheit ist es dabei von Vorteil, neben der Optikstruktur auch noch an anderen Stellen ein weiteres Sicherheitselement in diesem Streifen vorzusehen, z.B. ein zusätzliches Hologramm. Dieses ist dann nur von der Rückseite aus sichtbar, da es sich nicht über dem Fenster befindet. The optical structure can be particularly preferably provided in the form of a separately produced strip, which is then applied to the carrier. For further protection against counterfeiting, it is advantageous to provide a further security element in this strip in addition to the optical structure at other locations, e.g. an additional hologram. This is only visible from the back, as it is not over the window.
Natürlich kann auch ein Streifen verwendet werden, der mehrere Optikstrukturen aufweist, wenn im Träger dazu passend entsprechende mehrere Fenster ausgebildet sind. Of course, a strip may be used which has a plurality of optical structures, if appropriate in the carrier correspondingly more windows are formed.
Die erfindungsgemäße Überdeckung der Optikstruktur an der Rückseite des Trägers hat als weiteren Vorteil, dass ein solcher Streifen gut bedruckbar ist, da eine einheitliche Druckannahmeschicht zur Verfügung steht. Das Sicherheitselement kann insbesondere als Sicherheitsfaden, Aufreißfaden, Sicherheitsband, Sicherheitsstreifen, Patch oder als Etikett zum Aufbringen auf ein Sicherheitspapier, Wertdokument oder dergleichen ausgebildet sein. Unter dem Begriff Sicherheitspapier wird hier insbesondere die noch nicht umlauffähige Vorstufe zu einem Wertdokument verstanden, die neben dem erfindungsgemäßen Sicherheitselement beispielsweise auch weitere Echtheitsmerkmale (wie z.B. im Volumen vorgesehene Lumineszenzstoffe) aufweisen kann. Unter Wertdokumenten werden hier einerseits aus Sicherheits- papieren hergestellte Dokumente verstanden. Andererseits können Wertdokumente auch sonstige Dokumente und Gegenstände sein, die mit dem erfindungsgemäßen Sicherheitsmerkmal versehen werden können, damit die Wertdokumente nicht kopierbare Echtheitsmerkmale aufweisen, wodurch eine Echtheitsüberprüfung möglich ist und zugleich unerwünschte Kopien verhindert werden. The overlapping of the optical structure according to the invention on the back side of the carrier has, as a further advantage, that such a strip can be printed well, since a uniform pressure-accepting layer is available. The security element can be designed, in particular, as a security thread, tear-open thread, security strip, security strip, patch or as a label for application to a security paper, value document or the like. The term security paper is understood here in particular as the precursor that can not yet be processed to form a value document which, in addition to the security element according to the invention, may also have further authenticity features (such as, for example, luminescent substances provided in the volume). Under value documents are here on the one hand from security understood documents. On the other hand, value documents can also be other documents and objects which can be provided with the security feature according to the invention, so that the value documents have non-copyable authenticity features, whereby an authenticity check is possible and at the same time unwanted copies are prevented.
Das erfindungsgemäße Herstellungsverfahren kann so weitergebildet werden, dass die beschriebenen bevorzugten Ausbildungen und Ausführungs- formen des Sicherheitselementes hergestellt werden. The manufacturing method according to the invention can be developed so that the described preferred embodiments and embodiments of the security element are produced.
Es versteht sich, dass die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in den angegebenen Kombinationen, sondern auch in anderen Kombinationen oder in Alleinstellung einsetzbar sind, ohne den Rahmen der vorliegenden Erfindung zu verlassen. It is understood that the features mentioned above and those yet to be explained below can be used not only in the specified combinations but also in other combinations or alone, without departing from the scope of the present invention.
Nachfolgend wird die Erfindung beispielshalber anhand der beigefügten Zeichnungen, die auch erfindungswesentliche Merkmale offenbaren, noch näher erläutert ist. Es zeigen: The invention will be explained in more detail by way of example with reference to the accompanying drawings, which also disclose features essential to the invention. Show it:
Fig. 1 eine Draufsicht einer Banknote mit einem Sicherheitselement 1 von der Vorderseite, 1 is a plan view of a banknote with a security element 1 from the front,
Fig. 2 eine Draufsicht von der Rückseite, 2 is a plan view from the back,
Fig. 3 einen Schnitt entlang der Linie A-A der Fig. 2 und Fig. 3 is a section along the line A-A of Fig. 2 and
Fig. 4 einen Schnitt entlang der Linie B-B der Fig. 2. Die Figuren sind zur besseren Darstellbarkeit nicht maßstabstreu dargestellt. Ferner sind teilweise Schraffuren nicht eingezeichnet, um den Aufbau des entsprechenden Sicherheitselementes übersichtlicher darstellen zu können. Im Übrigen tragen Elemente, die sich in verschiedenen Ausführungsformen funktionell und/ oder strukturell gleichen oder entsprechen, in allen Figuren jeweils dasselbe Bezugszeichen, um Beschreibungswiederholungen zu vermeiden. In der Beschreibung wird eine Seite als Vorderseite, die andere als Rückseite bezeichnet. Zur Unterscheidung wird eine Seite einer Optikstruktur als Unterseite, die andere als Oberseite bezeichnet. Diese Konvention dient lediglich dem einfacheren Verständnis und soll keine Einschränkung hinsichtlich Aufbau und/ oder Anwendung des Sicherheitselementes sein. 4 shows a section along the line BB of Fig. 2nd The figures are not shown to scale for ease of illustration. Furthermore, partial hatching is not shown in order to be able to present the structure of the corresponding security element in a clearer manner. Incidentally, elements which in different embodiments functionally and / or structurally resemble or correspond bear the same reference numbers in all figures in order to avoid description repetitions. In the description, one side is referred to as the front side, the other side as the back side. For distinction, one side of an optical structure is referred to as bottom side, the other as top side. This convention is merely for ease of understanding and is not intended to be limiting as to the construction and / or application of the security element.
Fig. 1 zeigt in Draufsicht eine Banknote 1, von deren Vorderseite 2 aus gesehen. Auf der Vorderseite 2 der Banknote 1 ist ein Motiv 3 erkennbar, das sich in einem Fenster 4 der Banknote 1 befindet. Fig. 1 shows in plan view a banknote 1, as seen from the front side 2 thereof. On the front side 2 of the banknote 1, a motif 3 can be seen, which is located in a window 4 of the banknote 1.
Fig. 2 zeigt die Banknote 1 von deren Rückseite 5. Auf diese Rückseite 5 ist ein Streifen 6 aufgebracht, der unter anderem das Fenster 4 überdeckt. Dieser Streifen 6 umfasst eine Optikstruktur, die nachfolgend anhand der Schnitt- darstellung der Fig. 3 erläutert wird, welche einen Schnitt entlang der Linie A-A der Fig. 2 zeigt. Die Lage der Optikstruktur und damit des Fensters 4 ist gestrichelt in die Figur eingetragen. Fig. 2 shows the banknote 1 from the back 5. On this back 5, a strip 6 is applied, which covers, inter alia, the window 4. This strip 6 comprises an optical structure, which is explained below with reference to the sectional view of FIG. 3, which shows a section along the line A-A of FIG. 2. The position of the optical structure and thus of the window 4 is shown in dashed lines in the figure.
Die Banknote 1 ist auf einem Träger 7 aufgebaut, in den das Fenster 4 einge- bracht wird (z. B. durch Stanzen), vorzugsweise nachdem auf die Vorderseite 2 eine Folie aufkaschiert wurde. Diese Kaschierung ist jedoch nur dann erforderlich, wenn an der Vorderseite eine entsprechende Folie gewünscht wird. Die Struktur der Vorderseite 2 ist ansonsten ohne Belang für das hier beschriebene Sicherheitselement. Dann wird an der Rückseite 5 des Trägers 7 der Streifen 6 derart aufgebracht, dass die Optikstruktur 8 über dem Fenster 4 zu liegen kommt. The banknote 1 is constructed on a carrier 7, into which the window 4 is introduced (eg by punching), preferably after a foil has been laminated onto the front side 2. However, this lamination is only required if a corresponding film is desired on the front. The structure of the front side 2 is otherwise irrelevant to the security element described here. Then, at the back 5 of the carrier. 7 the strip 6 is applied in such a way that the optical structure 8 comes to lie above the window 4.
Das Optikelement 8 des Streifens 6 ist wie folgt aufgebaut. Es weist an seiner Oberseite 15 Mikrolinsen 9 auf, die beispielsweise durch Prägen einer geeigneten Kunststoffschicht erzeugt wurden. Die Mikrolinsen 9 befinden sich über einem Abstandsmaterial 10, das optisch transparent ist und beispielsweise ebenfalls durch eine Kunststofffolie realisiert ist. An der Rückseite der der Oberseite 15 gegenüberliegenden Unterseite 14 des Optikelementes 8 befinden sich Mikrostrukturelemente 11. Die geometrische Anordnung bzw. die Ausbildung der Mikrostrukturelemente 11 und das Muster, in dem die Mikrolinsen 9 angeordnet sind, sind so aufeinander abgestimmt, dass sich bei der Betrachtung von der Oberseite ein wahrnehmbares Motiv ergibt. Das Optikelement 8 kann so beispielsweise einen bekannten Moire-Magnifier realisieren. The optical element 8 of the strip 6 is constructed as follows. It has on its upper side 15 microlenses 9, which were produced for example by embossing a suitable plastic layer. The microlenses 9 are located above a spacer material 10, which is optically transparent and, for example, also realized by a plastic film. Microstructure elements 11 are located on the rear side of underside 14 of optical element 8 opposite top side 15. The geometric arrangement or the design of microstructure elements 11 and the pattern in which microlenses 9 are arranged are matched to one another in such a way that they are viewed from the top gives a perceptible motif. The optical element 8 can thus realize, for example, a known moiré magnifier.
Nachdem der Streifen 6 an der Rückseite 5 des Trägers 7 so aufgelegt ist, dass die Optikstruktur 8 mit ihrer Oberseite 15, d.h. der Seite mit den Mikrolinsen 9, über das Fenster gelegt ist, wird auf der Rückseite 5 eine Kaschie- rung mittels eines Kaschierlacks 12a sowie einer Folie 13a vorgesehen. Diese Kaschierung wird so auf die Rückseite 5 aufgebracht, dass die Unterseite 14 der Optikstruktur 8 überdeckt ist, diese also nicht frei liegt. Die Kaschierung mittels Kaschierlack 12a und Folie 13a kann dabei der Kaschierung mittels Kaschierlack 12b und Folie 13b an der Vorderseite 2 der Banknote 1 entspre- chen. After the strip 6 is placed on the back 5 of the carrier 7 so that the optical structure 8 with its upper side 15, i. the side with the microlenses 9, is placed over the window, a lamination on the back 5 by means of a laminating paint 12a and a film 13a is provided. This lamination is applied to the back 5 so that the bottom 14 of the optical structure 8 is covered, so this is not exposed. The lamination by means of laminating lacquer 12a and foil 13a can correspond to the lamination by means of laminating lacquer 12b and foil 13b on the front side 2 of the banknote 1.
Fig. 4 zeigt eine Schnittdarstellung ähnlich der Fig. 3, jedoch entlang der Linie B-B der Fig. 2, d.h. in einer Schnittebene, welche nicht durch die Optikstruktur 8 läuft. Wie Fig. 4 zeigt, besteht der Streifen 6 in diesen Bereichen im Wesentlichen ausschließlich aus der Folie, welche im Bereich der Optikstruktur als Abstandshalter 10 dient. Zusätzlich ist an der Folie noch eine Hologrammstruktur 16 ausgebildet, die bei geeigneter Transparenz der Kaschierung (Schichten 12a und 13a) von der Rückseite 5 der Banknote 1 her sichtbar ist. Der Streifen 6 bewirkt auf diese Art und Weise nicht nur ein an der Vorderseite sichtbares Motiv, welches durch die Optikstruktur 8 erzeugt wird, sondern zugleich auch ein an der Rückseite durch die Hologrammstruktur 16 bereitgestelltes Motiv. FIG. 4 shows a sectional view similar to FIG. 3, but along the line BB of FIG. 2, ie in a sectional plane which does not pass through the optical structure 8. As shown in FIG. 4, the strip 6 is in these areas in Essentially exclusively from the film, which serves as a spacer 10 in the field of optical structure. In addition, a hologram structure 16 is formed on the film, which is visible from the back 5 of the banknote 1 with suitable transparency of the lamination (layers 12a and 13a). In this way, the strip 6 not only effects a motif visible on the front side, which is produced by the optical structure 8, but at the same time also a motif provided on the rear side by the hologram structure 16.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Sicherheitselement für Sicherheitspapiere, Wertdokumente oder dergleichen, mit 1. Security element for security papers, documents of value or the like, with
- einem eine Vorderseite (2) und eine Rückseite (5) aufweisenden Trä- ger (7), a carrier (7) having a front side (2) and a rear side (5),
einer auf den Träger (7) aufgebrachten Kaschierung (13a, 12a) und einer Optikstruktur (8), die eine Oberseite (15) und eine Unterseite (14) und ein an der Oberseite liegendes optisches Element (9) umfasst, und ein von der Oberseite (15) visuell wahrnehmbares Motiv (3) erzeugt, dadurch gekennzeichnet, dass  a lamination (13a, 12a) applied to the support (7) and an optical structure (8) comprising a top side (15) and a bottom side (14) and an optical element (9) located at the top, and one of the Top (15) visually perceptible motif (3) generated, characterized in that
der Träger (7) mindestens ein Fenster (4) aufweist,  the carrier (7) has at least one window (4),
die Optikstruktur (9) an der Rückseite (5) des Trägers (7) mit seiner the optical structure (9) on the back (5) of the carrier (7) with its
Oberseite (15) über das Fenster (4) gelegt ist, so dass das Motiv (3) von der Vorderseite (2) durch das Fenster (4) visuell wahrnehmbar ist, und die Kaschierung (13a, 12a) auf der Rückseite (5) angebracht ist und die Unterseite (14) der Optikstruktur (8) überdeckt. Top (15) is placed over the window (4), so that the motif (3) from the front (2) through the window (4) is visually perceptible, and the lamination (13a, 12a) on the back (5) is attached and the underside (14) of the optical structure (8) covered.
2. Sicherheitselement nach Anspruch 1, dadurch gekennzeichnet, dass die Optikstruktur (8) eine von der Oberseite (15) gesehen unter dem optischen Element (9) liegende Mikrostruktur (11) aufweist, die zusammen mit dem optischen Element (9) das Motiv (3) erzeugt. 2. Security element according to claim 1, characterized in that the optical structure (8) has a view from the top (15) under the optical element (9) lying microstructure (11) which together with the optical element (9) the motif ( 3) generated.
3. Sicherheitselement nach Anspruch 2, wobei das optische Element Mi- krolinsen (9) umfasst, die in einem an die Mikrostruktur (11) angepassten3. The security element according to claim 2, wherein the optical element comprises microlenses (9), which are adapted in a manner adapted to the microstructure (11)
Muster angeordnet sind. Patterns are arranged.
4. Sicherheitselement nach Anspruch 3, wobei die Optikstruktur (8) einen Moire-Magnifier umfasst. 4. Security element according to claim 3, wherein the optical structure (8) comprises a moire magnifier.
5. Sicherheitselement nach einem der obigen Ansprüche, wobei die Optikstruktur (8) ein optisches Element und/ oder zusätzlich ein Hologramm (16) umfasst. 5. Security element according to one of the above claims, wherein the optical structure (8) comprises an optical element and / or additionally a hologram (16).
6. Sicherheitselement nach einem der obigen Ansprüche, wobei das optische Element eine 3D- oder eine Fresnel-Struktur umfasst. 6. The security element according to one of the above claims, wherein the optical element comprises a 3D or a Fresnel structure.
7. Sicherheitselement nach einem der obigen Ansprüche, wobei die Optikstruktur (8) Teil eines Streifens (6) ist, der über die Rückseite (5) des Sicherheitselementes (1) läuft. 7. Security element according to one of the above claims, wherein the optical structure (8) is part of a strip (6) which runs over the back (5) of the security element (1).
8. Wertdokument mit einem Sicherheitselement nach einem der Ansprü che 1 bis 7. 8. document of value with a security element according to one of Ansprü che 1 to 7.
9. Herstellungsverfahren für ein Sicherheitselement für Sicherheitspapiere, Wertdokumente oder dergleichen, bei dem 9. A manufacturing method for a security element for security papers, documents of value or the like, in which
ein eine Vorderseite (2) und eine Rückseite (5) aufweisender Träger (7) bereitgestellt wird,  a support (7) having a front side (2) and a back side (5) is provided,
eine Optikstruktur (8) bereitgestellt wird, die eine Oberseite (15) und eine Unterseite (14) und ein an der Oberseite (15) liegendes optisches an optical structure (8) is provided which has an upper side (15) and a lower side (14) and an upper side (15) lying optical
Element (9) umfasst, und ein von der Oberseite (15) visuell wahrnehmbares Motiv (3) erzeugt, Element (9), and generates a visual from the top (15) visually recognizable motif (3),
auf den Träger (7) eine Kaschierung (13a, 12a) aufgebracht wird, dadurch gekennzeichnet, dass  on the carrier (7) a lamination (13a, 12a) is applied, characterized in that
- der bereitgestellte Träger (7) mindestens ein Fenster (4) aufweist oder mit mindestens einem Fenster (4) versehen wird, the provided support (7) has at least one window (4) or is provided with at least one window (4),
die Optikstruktur (9) an der Rückseite (5) des Trägers (7) mit ihrer Oberseite (15) über das Fenster (4) gelegt wird, so dass das Motiv (3) von der Vorderseite (2) durch das Fenster (4) visuell wahrnehmbar ist, und the optical structure (9) on the back (5) of the carrier (7) is placed with its upper side (15) over the window (4), so that the motif (3) from the front (2) through the window (4) is visually perceptible, and
die Kaschierung (13a, 12a) auf der Rückseite (5) und die Unterseite (14) der Optikstruktur (9) überdeckend angebracht wird.  the lamination (13a, 12a) on the back (5) and the bottom (14) of the optical structure (9) is mounted overlapping.
10. Herstellungsverfahren nach Anspruch 9, dadurch gekennzeichnet, dass die Optikstruktur (8) mit einer von der Oberseite (15) her gesehen, unter dem optionalen Element (9) liegenden Mikrostruktur (11) versehen wird, die zusammen mit dem optischen Element (9) das Motiv (3) erzeugt. 10. A manufacturing method according to claim 9, characterized in that the optical structure (8) is provided with a viewed from the top (15) ago, below the optional element (9) lying microstructure (11), which together with the optical element (9 ) generates the motif (3).
11. Herstellungsverfahren nach Anspruch 10, bei dem die Optikstruktur mit einem optische Element versehen wird, das Mikrolinsen (9) umf asst, die in einem an die Mikrostruktur (11) angepassten Muster angeordnet werden. A manufacturing method according to claim 10, wherein the optical structure is provided with an optical element comprising microlenses (9) arranged in a pattern adapted to the microstructure (11).
12. Herstellungsverfahren nach Anspruch 11, wobei die Optikstruktur (8) als Moir6-Magnifier ausgebildet wird. 12. Production method according to claim 11, wherein the optical structure (8) is designed as Moir6 magnifier.
13. Herstellungsverfahren nach einem der Ansprüche 9 bis 12, wobei die Optikstruktur (8) mit einem optischen Element und/ oder zusätzlich mit ei- nem Hologramm (16) versehen wird. 13. The manufacturing method according to claim 9, wherein the optical structure is provided with an optical element and / or additionally with a hologram.
14. Herstellungsverfahren nach einem der Ansprüche 9 bis 13, wobei das optische Element eine 3D- oder eine Fresnel-Struktur umfasst. 14. The manufacturing method according to any one of claims 9 to 13, wherein the optical element comprises a 3D or a Fresnel structure.
15. Herstellungsverfahren nach einem der Ansprüche 9 bis 14, wobei die Optikstruktur (8) in einem Streifen (6) ausgebildet wird, der über die Rückseite (5) des Sicherheitselementes (1) gelegt wird. 15. Manufacturing method according to one of claims 9 to 14, wherein the optical structure (8) in a strip (6) is formed, which is placed over the back (5) of the security element (1).
EP11709644.6A 2010-03-24 2011-03-17 Security paper, security document or similar and production method therefor Not-in-force EP2550166B1 (en)

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HK1176333A1 (en) 2013-07-26
WO2011116903A1 (en) 2011-09-29
RU2012145009A (en) 2014-04-27
CN102905910A (en) 2013-01-30
RU2560298C2 (en) 2015-08-20
ES2471074T3 (en) 2014-06-25
EP2550166B1 (en) 2014-05-07
CN102905910B (en) 2016-02-17
DE102010012495A1 (en) 2011-09-29

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