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WO2011116903A1 - Élément de sécurité et son procédé de fabrication - Google Patents

Élément de sécurité et son procédé de fabrication Download PDF

Info

Publication number
WO2011116903A1
WO2011116903A1 PCT/EP2011/001329 EP2011001329W WO2011116903A1 WO 2011116903 A1 WO2011116903 A1 WO 2011116903A1 EP 2011001329 W EP2011001329 W EP 2011001329W WO 2011116903 A1 WO2011116903 A1 WO 2011116903A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical
optical structure
security element
security
window
Prior art date
Application number
PCT/EP2011/001329
Other languages
German (de)
English (en)
Inventor
Andreas Rauch
Original Assignee
Giesecke & 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 & Devrient Gmbh filed Critical Giesecke & Devrient Gmbh
Priority to ES11709644.6T priority Critical patent/ES2471074T3/es
Priority to RU2012145009/12A priority patent/RU2560298C2/ru
Priority to EP11709644.6A priority patent/EP2550166B1/fr
Priority to HK13103767.0A priority patent/HK1176333B/xx
Priority to CN201180025823.4A priority patent/CN102905910B/zh
Publication of WO2011116903A1 publication Critical patent/WO2011116903A1/fr

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.

Landscapes

  • Credit Cards Or The Like (AREA)
  • Holo Graphy (AREA)

Abstract

L'invention concerne un élément de sécurité pour papiers de sécurité, documents de valeur ou analogues, comprenant un support (7) qui présente un côté avant (2) et un côté arrière (5), un revêtement (13a, 12a) appliqué sur le support (7) et une structure optique (8) qui comprend un côté supérieur (15), un côté inférieur (14) et un élément optique (9), et génère un motif (3) visible du côté supérieur (15), dans lequel il est prévu que le support (7) comprenne au moins une fenêtre (4), que la structure optique (8) soit placée sur la fenêtre (4) avec son côté supérieur (15) sur le côté arrière (5) du support (7), de manière à ce que le motif (3) soit visible du côté avant (2) par la fenêtre (4), et que le revêtement (13a, 12a) soit appliqué sur le côté arrière (5) et recouvre le côté inférieur (14) de la structure optique (8).
PCT/EP2011/001329 2010-03-24 2011-03-17 Élément de sécurité et son procédé de fabrication WO2011116903A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES11709644.6T ES2471074T3 (es) 2010-03-24 2011-03-17 Papel de seguridad, documento de seguridad o similar y procedimiento para fabricación de los mismos
RU2012145009/12A RU2560298C2 (ru) 2010-03-24 2011-03-17 Защитный элемент и способ его изготовления
EP11709644.6A EP2550166B1 (fr) 2010-03-24 2011-03-17 Papier ou document de sécurité ou similaire et son procédé de fabrication
HK13103767.0A HK1176333B (en) 2010-03-24 2011-03-17 Security element and production method therefor
CN201180025823.4A CN102905910B (zh) 2010-03-24 2011-03-17 安全元件及其生产方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010012495A DE102010012495A1 (de) 2010-03-24 2010-03-24 Sicherheitselement und Herstellungsverfahren dafür
DE102010012495.8 2010-03-24

Publications (1)

Publication Number Publication Date
WO2011116903A1 true WO2011116903A1 (fr) 2011-09-29

Family

ID=44123472

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/001329 WO2011116903A1 (fr) 2010-03-24 2011-03-17 Élément de sécurité et son procédé de fabrication

Country Status (6)

Country Link
EP (1) EP2550166B1 (fr)
CN (1) CN102905910B (fr)
DE (1) DE102010012495A1 (fr)
ES (1) ES2471074T3 (fr)
RU (1) RU2560298C2 (fr)
WO (1) WO2011116903A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3421253B1 (fr) 2017-06-28 2019-07-31 HID Global Rastede GmbH Fenetre thermochromique
RU192370U1 (ru) * 2019-03-01 2019-09-13 Николай Григорьевич Ляпко Аппликатор для рефлексотерапии

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4334847A1 (de) * 1993-10-13 1995-04-20 Kurz Leonhard Fa Wertdokument mit Fenster
WO2005052650A2 (fr) 2003-11-21 2005-06-09 Nanoventions, Inc. Systeme de securite micro-optique et de presentation d'image
DE102004014778A1 (de) * 2004-03-26 2005-10-13 Leonard Kurz Gmbh & Co. Kg Sicherheits- und/oder Wertdokument
WO2006021551A2 (fr) * 2004-08-27 2006-03-02 Bundesdruckerei Gmbh Caracteristique de securite pour un document de valeur et de securite et document correspondant
DE102006029852A1 (de) 2006-06-27 2008-01-03 Giesecke & Devrient Gmbh Verfahren zum Aufbringen einer Mikrostruktur, Werkzeugform und Gegenstand mit Mikrostruktur
WO2008031170A1 (fr) 2006-09-15 2008-03-20 Securency International Pty Ltd Dispositifs de sécurité à encre en relief séchable par rayonnement destinés à des documents sécurisés
DE102007023560A1 (de) * 2007-05-21 2008-11-27 Ovd Kinegram Ag Mehrschichtkörper
WO2009000528A1 (fr) 2007-06-25 2008-12-31 Giesecke & Devrient Gmbh Système de représentation
DE102008029638A1 (de) * 2008-06-23 2009-12-24 Giesecke & Devrient Gmbh Sicherheitselement
DE102009056934A1 (de) 2009-12-04 2011-06-09 Giesecke & Devrient Gmbh Sicherheitselement, Wertdokument mit einem solchen Sicherheitselement sowie Herstellungsverfahren eines Sicherheitselementes

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4334847A1 (de) * 1993-10-13 1995-04-20 Kurz Leonhard Fa Wertdokument mit Fenster
WO2005052650A2 (fr) 2003-11-21 2005-06-09 Nanoventions, Inc. Systeme de securite micro-optique et de presentation d'image
DE102004014778A1 (de) * 2004-03-26 2005-10-13 Leonard Kurz Gmbh & Co. Kg Sicherheits- und/oder Wertdokument
WO2006021551A2 (fr) * 2004-08-27 2006-03-02 Bundesdruckerei Gmbh Caracteristique de securite pour un document de valeur et de securite et document correspondant
DE102006029852A1 (de) 2006-06-27 2008-01-03 Giesecke & Devrient Gmbh Verfahren zum Aufbringen einer Mikrostruktur, Werkzeugform und Gegenstand mit Mikrostruktur
WO2008031170A1 (fr) 2006-09-15 2008-03-20 Securency International Pty Ltd Dispositifs de sécurité à encre en relief séchable par rayonnement destinés à des documents sécurisés
DE102007023560A1 (de) * 2007-05-21 2008-11-27 Ovd Kinegram Ag Mehrschichtkörper
WO2009000528A1 (fr) 2007-06-25 2008-12-31 Giesecke & Devrient Gmbh Système de représentation
DE102008029638A1 (de) * 2008-06-23 2009-12-24 Giesecke & Devrient Gmbh Sicherheitselement
DE102009056934A1 (de) 2009-12-04 2011-06-09 Giesecke & Devrient Gmbh Sicherheitselement, Wertdokument mit einem solchen Sicherheitselement sowie Herstellungsverfahren eines Sicherheitselementes

Also Published As

Publication number Publication date
RU2560298C2 (ru) 2015-08-20
EP2550166A1 (fr) 2013-01-30
RU2012145009A (ru) 2014-04-27
EP2550166B1 (fr) 2014-05-07
CN102905910B (zh) 2016-02-17
CN102905910A (zh) 2013-01-30
DE102010012495A1 (de) 2011-09-29
HK1176333A1 (zh) 2013-07-26
ES2471074T3 (es) 2014-06-25

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