EP2155502A1 - Support de données muni d'une caractéristique de sécurité - Google Patents

Support de données muni d'une caractéristique de sécurité

Info

Publication number
EP2155502A1
EP2155502A1 EP08758891A EP08758891A EP2155502A1 EP 2155502 A1 EP2155502 A1 EP 2155502A1 EP 08758891 A EP08758891 A EP 08758891A EP 08758891 A EP08758891 A EP 08758891A EP 2155502 A1 EP2155502 A1 EP 2155502A1
Authority
EP
European Patent Office
Prior art keywords
data carrier
security element
layer
carrier according
substrate
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
EP08758891A
Other languages
German (de)
English (en)
Other versions
EP2155502B1 (fr
Inventor
Peer-Alexander Komarek
Martin ZÖLLER
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39777314&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2155502(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Giesecke and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Publication of EP2155502A1 publication Critical patent/EP2155502A1/fr
Application granted granted Critical
Publication of EP2155502B1 publication Critical patent/EP2155502B1/fr
Revoked 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
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/378—Special inks
    • B42D25/387—Special inks absorbing or reflecting ultraviolet light
    • 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
    • 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
    • B42D25/373—Metallic 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
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • 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
    • B42D25/43—Marking by removal of material
    • B42D2033/10—
    • B42D2033/22—

Definitions

  • Paten with safety marking
  • the invention relates to a multi-layer data carrier, in particular an identity card or the like, which carries a security element that is difficult to falsify, which can be detected by simple means.
  • a generic data carrier which is based on a transparent film, which are formed to a viewing front side in this order: a printed technically applied fluorescent printing layer, a first foil-shaped metallic layer, a film-shaped transparent intermediate layer and a second foil-shaped metallic layer having a different base color.
  • the two metallic layers have recesses which are introduced by means of a laser and form a marking which is present in register in both metallic layers.
  • the marking may in particular be a portrait. Due to the different basic colors of the two metal layers, the marking appears differently when viewing the data carrier from the front side than when viewing from the rear side. Looking at the data carrier from the front side and simultaneously illuminating the back with UV radiation, the recesses also appear as fluorescent spots.
  • a transparent base film with printed fluorescent layer it is also proposed instead of a transparent base film with printed fluorescent layer to use a doped with fluorescent pigments central carrier film, on both sides of each of a two vapor-deposited metallic and an intermediate transparent layer layer sequence is applied.
  • a doped with fluorescent pigments central carrier film on both sides of each of a two vapor-deposited metallic and an intermediate transparent layer layer sequence is applied.
  • recesses are introduced by means of a laser, which form a register-accurate identification in all four layers.
  • the known solution provides a hard-to-imitate authenticity feature by allowing the naked eye to examine the layer structure of a data carrier - namely, the presence of at least two spaced, marked layers - and the quality of the marking - based on their registration accuracy.
  • the known solution requires, however, that the two sides of the disk are formed coordinated with each other and thus limits the free configurability of each surface of the disk. The surface area is correspondingly lost for the application of other safety or characterizing feature.
  • WO 2005/053968 furthermore discloses the proposal to introduce markings in the form of patterns, letters, numbers and / or images into a security element which has a metal layer arranged between two translucent cover layers by means of a laser.
  • the markings in the metal layer show a watermark effect in which they appear in negative representation when viewed in transmitted light in positive representation and when viewed in reflected light.
  • the solution assumes that the security element can be viewed from two sides.
  • the object of the invention is to provide a disk with a security element that is difficult to imitate and affects the design of the disk as little as possible.
  • the object is achieved by a data carrier with the features of claim 1 and by a method having the features of claim 15.
  • the data carrier according to the invention has the advantage that it is in his Structure of the security element is hardly affected.
  • the back can be designed freely and requires the security element no particular layer sequence.
  • An inventive, equipped with a security element disk is very forgery-proof, because the production of the security element on a disk requires a sound mastery of materials and work processes and therefore by potential forgers without sufficient knowledge is not feasible.
  • testing of a data carrier according to the invention on the basis of the authenticity feature realized by the security element can also be carried out by laymen with simple means and is reliable.
  • the production of the data carrier according to the invention can be carried out with known systems and does not limit the configurability of the data carrier. Therefore, a data carrier according to the invention can easily carry other security elements based on other mechanisms.
  • the security element generates a visually perceptible refraction effect;
  • it is designed as a hologram or kinegrafisches element.
  • the data carrier according to the invention advantageously allows the introduction of a personalization information into the security element.
  • the identification introduced into the security element is preferably a portrait of the person.
  • another marking structure derived from personal data of a volume owner can also be generated.
  • the personalization can then advantageously be done individually on each disk.
  • the production of data carriers according to the invention also take place within the scope of a serial production, in which, for example, serial numbers are generated as identification.
  • the preparation of the data carrier according to the invention is advantageously carried out by applying a fluorescent layer on a substrate film, applied thereto a security element and in this by means of a laser marking is introduced.
  • the fluorescent layer is applied by printing technology and completely overlaid by the security element.
  • Fig. 2 shows a data carrier with security element, in which a label is introduced, which is visible under UV irradiation.
  • FIG. 1 illustrates, in an exploded view, a cross-sectional view of the layer sequence of a data carrier 100 according to the invention in the region of a security element designed according to the invention. Heights and relative thickness ratios of the illustrated layers to each other are not to scale.
  • a fluorescent layer 20 on which a security element 30 is formed, which has an effect causing a structure 36.
  • a cover layer 40 applied.
  • the cover layer 40 is shown in an imaginary position prior to joining the layers 10, 20, 40 into a finished data carrier 100.
  • the upper side 41 of the cover layer 40 forms a planar surface.
  • the data carrier 100 forms an identity card, credit card, bank card, cash payment or authorization card, a chip card or a personalization data page for integration in a passbook.
  • the data carrier 100 can also be a transfer element arranged on a carrier layer for application to an identity card or another object;
  • the data carrier 100 is preferably designed only to the viewing side, while on the opposite side, for example, carries an adhesive strip.
  • the substrate 10 is formed as desired opaque or transparent and has a thickness of, for example, 100 microns to 500 microns. It is expediently made of a plastic such as PVC, polyester, ABS or polycarbonate and is preferably in film form for processing.
  • the substrate 10 may consist internally of a plurality of layers and, in particular to the surface designated here as the rear side 11, carry a layer sequence which is adapted to the intended use and deviates from the top side. However, a layer sequence constructed analogously to the upper-side layer sequence may also be provided for the rear side 11, which may include a further security element 30 in conjunction with an associated further fluorescent layer and a cover layer.
  • the substrate 10 can also consist of paper, a ceramic or a glass material.
  • the fluorescent layer 20 is preferably applied to the substrate 10 by printing technology. It is transparent in daylight or white artificial light and covers a matched to the size of the security element 30 part of the surface 12 of the substrate 10. As a rule, covered by the fluorescent layer 20 surface is smaller than the base of the security element 30 and is completely covered by this , In principle, however, it is also possible, as indicated in FIG. 1 with the region 21 protruding under the security element 30 on the left side, to make the fluorescent layer 20 larger in area than the security element 30. This is expedient if the fluorescent layer 20 further supports - not shown - trained on the disk 100 security features. Suitable materials for the fluorescent layer 20 are all common fluorine inks, which are compatible with the laser technology used - described later.
  • a film can be used to produce the fluorescent layer 20, which fluoresces at least in the area of the security element 30.
  • the fluorescent layer 20 can also be dispensed with and the security element 30 can be applied directly to the substrate 10.
  • the security element 30 typically has, as indicated in Fig. 1, a multi-layer structure, which consists in principle of three layers, wherein on a transparent, laser-transparent base layer 31 is a metallized, laser-absorbing layer and on this a transparent, Iaserper understande final layer 33.
  • the final layer 33 may be a film or a paint; it can also be omitted.
  • the security element 30 has a thickness of 50 microns to 250 microns and is preferably larger in area than the fluorescent layer 20, so that it completely covers them.
  • the structure 36 includes a diffraction pattern in the form of a hologram or a ki- negrafischen element that provides a viewer in a conventional manner in daylight or in white artificial light an angle-dependent image impression.
  • the structure 36 may exist in other effects based on reflection or traversing.
  • the cover layer 40 is made transparent, at least in the region of the security element 30, so that it can be seen from the viewing side through the cover layer 40. Above all, it serves to protect the security element 30 and possibly also other security elements present on the data carrier 100 and is basically optional, ie the cover layer 40 can also be dispensed with.
  • the cover layer 40 suitably consists of a suitable plastic, for example PVC, ABS, polyester, polycarbonate or mixtures thereof, as is known from the production of chip cards. In addition to plastic come for the execution of the cover layer 40 of course, other transparent materials into consideration, such as glass materials.
  • recesses 50 are introduced, which together produce a marking 60 in the form of a raster image.
  • the tag 60 may consist in the reproduction of a photograph, alphanumeric characters or any graphic pattern. Especially when using the data carrier 100 as a document for identifying a person, the identification 60 is expediently a portrait of the person.
  • the raster image forming the marking 60 is expediently located completely within the surface of the security element 30, so that an edge always remains between the outer recesses and the lateral boundary 37 of the security element 30, at which the layers 31, 32 and 33 are intimately connected to one another are. The edge stabilizes the security element 30.
  • the size of the recesses 50 is dimensioned in a particularly expedient execution so that their cross-sectional openings D when viewing the disk 100 with the naked eye are not or at most difficult to see.
  • the cross-sectional openings D largest diameters of up to 200 microns.
  • the recesses 50 are further incorporated only in such a density that they do not affect the appearance of the metallized layer 32 or the diffraction structure 36 formed on its surface 35 when viewed with the naked eye.
  • the design of the marker 60 from individually unrecognizable to the naked eye recesses 50 in conjunction with a distribution of the recesses 50 so that clusters are not recognizable causes the label 60 in total when looking at the data carrier 100 from the viewing side with the naked eye in daylight or normal artificial light is not recognizable. Rather, with such a view tion only the effect of the optical effect generated by the security element 30 recognizable, such as the diffraction effect of a hologram.
  • the security element 30 with the marking 60 is exposed to UV light from the viewing side, as indicated in FIG. 2, this excites the fluorescent layer 20 located below the security element 30.
  • the layer 20 thereby becomes a backlight for the metallized layer 32 with respect to the viewing side.
  • the recesses 50 and thus the marking 60 produced by them are now perceptible when viewed from the viewing side.
  • the marking 60 is a portrait, this is therefore visible when the data carrier 100 is illuminated with UV light within the security element 30. Visibility in UV light forms a very tamper-proof authenticity feature.
  • the authenticity feature arises from the possibility of detecting the presence of the marking 60 at least at a suitable angle and suitable incidence of light; Angle and light can be found by experiments.
  • the recesses 50 must be dimensioned sufficiently large in this case.
  • the fluorescent layer 20 is first applied to a substrate 10 using a conventional printing technique and using a commercially available, suitable fluorine color. About this is then applied by means of a common adhesive method, the security element 30;
  • the security element 30 is expediently provided as a finished semifinished product, which has a metallized one Layer 32 contains, on the surface 35 is already an optical effect generating structure 36 is formed.
  • a covering layer 40 is laid over the arrangement present after application of the security element 30.
  • the entire layer arrangement consisting of the layers 10, 20, 30, 40 is then connected to a data carrier 100 by means of a conventional lamination process.
  • the individual application of base layer 31, metallized layer 32 and, if provided, the sealing layer 33 can also be provided.
  • the metallized layer 32 may already contain an optical effect generating structure 36; otherwise, the structure 36 is conveniently applied after bonding the layers 31, 32, 33 of the security element 30 in the metallized layer 32.
  • the bonding of the layers 31, 32, 33 together with the cover layer 40 and the substrate 10 is expediently carried out in a conventional laminating method.
  • the marking 60 is introduced in a subsequent processing step.
  • a halftone pattern is first generated using a raster technique from an original of a marking to be introduced.
  • different brightness levels of the halftone pattern are generated by a different halftone dot density, a different halftone dot size and / or by a different halftone dot blackening.
  • the quality of the raster image thus generated initially plays no role.
  • the raster image may be a photograph and have a high resolution of 300 dpi (dots per inch) or more.
  • the output raster image is preferably inverted so that dark parts of the image are bright and bright parts of the picture become dark.
  • the inverted Ratser image software is technically converted into a raster image with small dimensions, smaller resolution and a certain, small number of gray values.
  • a gray value image with dimensions of 10 ⁇ 12 mm is generated, which has between two - corresponding to a black-and-white image - and at most 256 gray levels.
  • a value between 70 and 120 dpi has proven to be expedient.
  • the reduced raster image present after this is transferred into the metallized layer 32 of the security element 30 on the data carrier 100 using a conventional laser.
  • the adjustment of the laser parameters of the laser such as beam diameter and pulse energy, and the materials used for the generation of the fluorescent layer 20, the security element 30 and the cover layer 40 are coordinated so that the struck areas, ie the recesses 50, in the metallized Layer 32 are completely eliminated, but at the same time in none of the remaining layers 10, 20, 40, a permanent material change arises.
  • the laser parameters are chosen so that the base layer 31 under the recesses 50 is not removed, in order to avoid that the security element 30 does not detach from the substrate 10 or from the fluorescent layer 20.
  • a lamp-pumped Nd: Y AG solid-state laser with a pulse frequency of 50 kHz and very low pulse energy was used in the image mode for introducing the identification 60; the white energy was kept close to 0
  • Nd glass laser or longer-wavelength CO 2 laser.
  • the invention permits, in addition to the already mentioned th a number of other embodiments.
  • a material instead of a material to be illuminated, a material can also be used for the layer 20 which shines permanently without excitation or at least appears very bright, for example a very luminous color or a highly reflective color in comparison to the structures in the immediate vicinity.
  • the perception of the marking is usually limited to a viewing view in a narrow range around an angle of 90 ° around.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)
  • Electroluminescent Light Sources (AREA)
  • Luminescent Compositions (AREA)

Abstract

L'invention concerne un support de données (100) multicouche comprenant un substrat (10) sur lequel est formé un élément de sécurité (30) avec une couche métallique (32), qui présente un effet optique à partir d'une face d'observation. Des cavités (50) qui présentent une caractéristique (60) sont ménagées dans la couche métallique (32) et ne sont pas perceptibles ou seulement difficilement, à l'oeil nu, à la lumière du jour. La présence de la caractéristique (60) peut néanmoins être identifiée selon un angle d'observation approprié et avec un éclairage approprié. Il est prévu de préférence une couche fluorescente (20) sur la couche métallique (32), qui permet de visualiser la caractéristique (60) en cas d'éclairage avec lumière ultraviolette.
EP08758891A 2007-06-01 2008-05-30 Support de données muni d'une caractéristique de sécurité Revoked EP2155502B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007025866A DE102007025866B4 (de) 2007-06-01 2007-06-01 Datenträger mit Sicherheitskennzeichnung
PCT/EP2008/004320 WO2008145381A1 (fr) 2007-06-01 2008-05-30 Support de données muni d'une caractéristique de sécurité

Publications (2)

Publication Number Publication Date
EP2155502A1 true EP2155502A1 (fr) 2010-02-24
EP2155502B1 EP2155502B1 (fr) 2012-08-08

Family

ID=39777314

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08758891A Revoked EP2155502B1 (fr) 2007-06-01 2008-05-30 Support de données muni d'une caractéristique de sécurité

Country Status (9)

Country Link
US (1) US8602313B2 (fr)
EP (1) EP2155502B1 (fr)
CN (1) CN101678699B (fr)
BR (1) BRPI0811912A2 (fr)
CA (1) CA2687783C (fr)
DE (1) DE102007025866B4 (fr)
MX (1) MX2009012996A (fr)
RU (1) RU2491174C2 (fr)
WO (1) WO2008145381A1 (fr)

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Also Published As

Publication number Publication date
EP2155502B1 (fr) 2012-08-08
RU2491174C2 (ru) 2013-08-27
BRPI0811912A2 (pt) 2019-09-24
WO2008145381A1 (fr) 2008-12-04
RU2009148892A (ru) 2011-08-10
CA2687783A1 (fr) 2008-12-04
CN101678699B (zh) 2012-05-09
MX2009012996A (es) 2010-01-15
US20100270380A1 (en) 2010-10-28
CA2687783C (fr) 2016-01-19
DE102007025866A1 (de) 2008-12-04
CN101678699A (zh) 2010-03-24
DE102007025866B4 (de) 2012-08-30
US8602313B2 (en) 2013-12-10

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