EP2943351B1 - Support de stockage de données sous forme de carte à relief - Google Patents

Support de stockage de données sous forme de carte à relief Download PDF

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Publication number
EP2943351B1
EP2943351B1 EP13826732.3A EP13826732A EP2943351B1 EP 2943351 B1 EP2943351 B1 EP 2943351B1 EP 13826732 A EP13826732 A EP 13826732A EP 2943351 B1 EP2943351 B1 EP 2943351B1
Authority
EP
European Patent Office
Prior art keywords
relief
data carrier
layer
core layer
cover layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP13826732.3A
Other languages
German (de)
English (en)
Other versions
EP2943351A1 (fr
Inventor
Michael RUHLAND-BAUER
Harald Reiner
Thanh-Hao Huynh
Karlheinz Mayer
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 Mobile Security GmbH
Original Assignee
Giesecke and Devrient Mobile Security GmbH
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Publication date
Application filed by Giesecke and Devrient Mobile Security GmbH filed Critical Giesecke and Devrient Mobile Security GmbH
Publication of EP2943351A1 publication Critical patent/EP2943351A1/fr
Application granted granted Critical
Publication of EP2943351B1 publication Critical patent/EP2943351B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/328—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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/23—Identity cards
    • 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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/24—Passports
    • 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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/324—Reliefs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/346—Perforations
    • 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
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/425—Marking by deformation, e.g. embossing
    • 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
    • B42D25/45—Associating two or more layers
    • B42D25/455—Associating two or more layers using heat
    • 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
    • B42D25/45—Associating two or more layers
    • B42D25/46—Associating two or more layers using pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1039—Surface deformation only of sandwich or lamina [e.g., embossed panels]

Definitions

  • the invention relates to a multilayer card-shaped data carrier with a core layer of paper, which carries an individualization by which it is associated with a person or an institution.
  • the invention relates to payment cards, e.g. Credit cards or bank cards, entrance tickets, identity cards or data pages for passport books.
  • a card-shaped data carrier constructed from a plurality of plastic layers, which carries on an inner layer a security element which can only be counterfeited at great expense.
  • a lenticular lens structure is also formed just above the security element. The crests of the lenticular lens structure rise above the surface and form raised ribs.
  • the lenticular lens structure causes a viewing angle-dependent optical effect. Depending on the design of the lenticular lens structure, various effects can be achieved. Among other things, the effect of an apparent movement or a color effect can be achieved.
  • a multi-layer card-shaped data carrier in the form of a security card is known, the upper side of which is formed over its entire surface as a lenticular lens structure.
  • the lenticular lens structure is here set up such that an individualization applied to an inner layer can be recognized only at a certain viewing angle.
  • DE 10 2009 004128 A1 shows a data carrier based on a multilayer composite containing at least one layer of paper.
  • the data carrier is printed and embossed with a relief which, together with the print, produces a viewing-angle-dependent effect.
  • Printing and embossing can be done in any order.
  • the stamping is used as a security feature.
  • the solution can be combined with holograms or other diffractive structures.
  • DE 44 41198 A1 describes a card with a card body, in the top of which a lens structure is embossed.
  • the lens structure penetrates a paint layer applied to the upper side.
  • the document DE 10 2009 004 128 A1 discloses a data carrier according to the preamble of claim 1.
  • the known solutions significantly increase the level of difficulty to emulate appropriately equipped media. But they are especially suitable for plastic structures.
  • a known attack here is to remove the cover layer together with any security elements thereon, such as a lenticular lens structure, from the paper layer. If this succeeds, it becomes possible to manipulate applied, then exposed, individualizations on the paper layer, eg a name or address information. On the manipulated disk, the previously separated cover layer together with security elements are reapplied so that the originally existing security functions are preserved.
  • the data carrier according to the invention provides an effective mechanical Tumblenschutz between a cover layer with security elements and provided with an individualization core layer paper-based. At the same time an additional security element is provided in an advantageous manner, which is visually verifiable without tools.
  • the invention provides a connection between the cover layer with the security elements and the paper core layer provided with an individualization, which is not reversibly separable.
  • the texture depth of the relief relative to the total thickness of the data carrier is relatively large and may correspond to it, i. the texture depth can be up to 100% of the total thickness of the undeformed media.
  • the relief furthermore preferably has a viewing angle-dependent optical effect which superimposes the pattern or motif formed by the relief in such a way that both the relief and the viewing angle-dependent optical effect can be recognized.
  • a viewing angle-dependent optical effect which superimposes the pattern or motif formed by the relief in such a way that both the relief and the viewing angle-dependent optical effect can be recognized.
  • the individualization and existing security elements it carries its own information, which becomes visible in a relay-specific optical effect.
  • the effect is that the relief produces a different visual impression at different viewing angles.
  • a first information is visible under a first viewing angle and a second information is visible at a second viewing angle.
  • the relief specifically detects part of the individualization. As a result of the resulting relatively strong deformation of the individualization, it is impossible or at least considerably more difficult to expose the individualization in the relief area by separating the cover layer of the paper layer clean.
  • the core layer consists of paper and the individualization is carried out in the form of an inkjet printing or by a thermal transfer process.
  • the relief is carried out in an advantageous manner as stamping.
  • the relief has height differences and structural widths of up to 200 ⁇ m; expedient amount height differences up to 100 microns, particularly expedient up to 80 microns.
  • the relief embossing can take place in embodiments in such a way that it not only covers the cover layer and the core layer, but also continues into the lower-side protective layer, so that the relief can also be perceived on the underside of the data carrier in a weakened form.
  • embossed structures are generated in the data carrier, which show other optical effects.
  • This is preferably done with a single die in which all or at least several embossed structures are applied at the same time.
  • the die has the same size as the data carrier.
  • the cover layer has a particular useful embodiment, a thickness of 1 to 10 microns and the core layer has a thickness of 50 to 200 microns.
  • Fig. 1 shows in a representation not to scale - this also applies to the other figures - a cross section through a card-shaped multi-layer disk 1 before forming a relief 10.
  • the disk 1 may be, for example, a data page for a passport, an identity card, a ticket, a credit card or a Bank card. He includes in the presentation of the Fig.1 a core layer 2, an overlying bonding layer 3, an overlying top layer 4 thereon, and a lower-side protective layer 8; The terms “upper side” and “lower side” used in the following also refer only to the figures and are to be understood relative.
  • a subsurface design printing layer 9 is formed on the upper side of the bonding layer 3.
  • An individualization 5 is further applied over the design printing layer 9.
  • a security element 7 is formed in the form of an optically variable element.
  • a carrier layer 15 is also located on the cover layer 4.
  • Fig.1 shown structure is understood as the simplest possible basic structure. All shown layers 2, 3, 4 and 8 may be formed in practical embodiments in the form of several individual layers. The lower-side protective layer 8 may also be omitted in some embodiments. Furthermore, additional layers can be provided with additional functions, for example, a textile layer between the core layer 2 and cover layer 4 can be attached to stabilize the structure of the data carrier 1.
  • the core layer 2 is preferably made of paper or based on paper.
  • the paper may contain additives, e.g. Added security substances. In practical embodiments, it typically has a thickness of from 70 to 200 ⁇ m, preferably from 90 to 150 ⁇ m, particularly preferably from 100 to 130 ⁇ m.
  • the core layer 2 is often provided with a background design printing layer 9 which covers the entire area of the data carrier 1 or at least the largest part thereof.
  • the design print layer 9 is difficult to reproduce and, in addition to its optical effect, also constitutes a security feature.
  • the bonding layer 3 is a transparent or semi-transparent adhesive sheet, e.g. made of a hotmelt material. It has a thickness of 1 to 10 microns, suitably from 3 to 8 microns.
  • the cover layer 4 is likewise transparent or semitransparent and is expediently based on an embossing lacquer. It is dimensionally stable against temperatures and pressures occurring during lamination and has a thickness of from 10 to 40 ⁇ m, preferably from 20 to 30 ⁇ m.
  • the optically variable element 7 is preferably a diffractive surface relief, such as a hologram, or a kinegram.
  • the cover layer 4 is executed shiny, ie they shows a directional reflection. In the cover layer 4 further security elements can be created.
  • the bonding layer 3 and the cover layer 4 with the optically variable element 7 inserted therein are not compulsorily but expediently provided together as a precursor on a carrier layer 15.
  • the support layer 15 is suitably made of plastic and has a thickness of 30 to 100 microns; it is soluble after lamination of the cover layer 4 and is removed.
  • the lower-side protective layer 8 is preferably made as an opaque or transparent plastic layer, e.g. made of polycarbonate or PET. It suitably has a thickness of 50 to 300 microns. In some embodiments, the lower-side protective layer 8 is designed as a decorative layer and carries its own individualizing information, security elements and / or decorative elements. The lower-side protective layer 8 is basically optional and can also be omitted.
  • the entire data carrier 1 typically has a thickness D of 100 to 300 ⁇ m, preferably of 120 to 180 ⁇ m, without carrier layer 15.
  • the individualization 5 is formed on the top surface of the core layer 2 to the top 6 back. It is designed so that it is visually recognizable by cover layer 4 and compound layer 3.
  • the customization 5 includes, for example, address or name information, individual key figures, the reproduction of handwritten signatures or photos.
  • the formation of the individualization 5 happens before the bonding layer 3 and the cover layer 4 are applied. As in Fig. 1 indicated, the individualization 5 can partially penetrate into the core layer 2.
  • the individualization 5 is carried out in the form of an inkjet print or transferred by a thermal transfer method. Other methods for customization are also possible.
  • a relief 10 having a three-dimensional structure is applied to the upper side 6. This is in Fig. 2 illustrated.
  • the formation of the relief 10 is expediently carried out after the data carrier 1 has been individualized, connecting layer 3 and the cover layer 4 have been applied and the carrier layer 15 has been removed.
  • the formation of the relief 10 takes place before the removal of the carrier layer 15, e.g. during a lamination process for applying the cover layer 4.
  • the relief 10 is tactile perceptible. Its three-dimensional structure is also such that it additionally produces an optically variable effect, which depends on the viewing angle.
  • the viewing angle dependent optical effect is the representation of two different pieces of information that are visible at different viewing angles.
  • the optical effect is to provide viewing angle dependent alphanumeric and / or graphical information.
  • the information applied in the relief 10 is designed such that at a first viewing angle, a first alphanumeric information or a first graphical pattern is recognizable and at a second viewing angle a second alphanumeric information or a second graphical pattern.
  • the additionally optically variable effect brought about by the relief 10 also superimposes the effect of the optically variable element 7 formed in the cover layer 4. Both are perceptible simultaneously or independently of one another, depending on the design.
  • the relief 10 is applied in an expedient embodiment in an area of the data carrier 1 in which there is no individualization 5.
  • the surface area of the relief 10 is selected accordingly.
  • the selected area is specially prepared, e.g. by printing a suitable base color instead of the design print 9 or above.
  • the base color is preferably a metallic shiny, reflective color, e.g. a gold or silver color.
  • a metallization may also be formed on the underside of the cover layer 4.
  • a security element 7 can also be located in the selected area.
  • a region of the data carrier 1 is selected for the relief 10, in which a part of the individualization 5 is located.
  • an area is selected in which parts of an image or an alphanumeric individualization information lies, in which the mean line thickness of the individual characters is greater than the structural depth of the relief 10;
  • a validity period can be selected. If the relief 10 detects the individualization 5, the detected part is co-deformed in accordance with the relief 10.
  • the formation of the relief 10 takes place by means of a stamping tool.
  • This consists, as in the Fig. 2 indicated, suitably from a die 20 and a counter-pressure element 22.
  • the die 20 carries on its surface a negative 21 of the relief 10 to be produced; the counter-pressure element 22 is expediently a flat surface.
  • the counter-pressure element 22 can also be designed to be compressible
  • the formed on the surface of the die 20 negative 21 of the relief 10 to be produced is designed so that it can be transferred to the disk 1 in a high quality embossing process. It has correspondingly no undercuts and the structures are shaped so that the relief 10 produced has no cracks.
  • the negative 21 has depressions and elevations which, when embossed in the surface of the data carrier 1, produce corresponding elevations / depressions with low points 11 and high points 12, the height difference of which may be of the same order as the thickness of the core layer 2.
  • the generated low points 11 and high points 12 expediently form a recognizable to the naked eye, plastically acting pattern or motif, the nature of which is different from the adjacent top 6.
  • the pattern may be, for example, a serrated pattern or a [] wavy pattern.
  • the negative 21 has at least one peak structure 23 which projects beyond the elevations and depressions and which, during embossing, penetrates more than 66% into the core layer 2 and thus almost punctures it.
  • the counter-mold 19 produced by the tip structure 23 in the relief 10 is nevertheless referred to below as punch-through.
  • At least one flank of the tip structure 23 is also provided with a steep flank angle ⁇ from 70 ° to 90 °, based on the top 6, executed. As a result, the core layer 2 tears at these points in an attempt to separate them and a uniform separation practice over the total area is no longer possible.
  • the negative 21 further has structural elements which produce in the relief 10 substructures 13 which influence the reflection behavior of the relief 10 and produce an optically variable effect which superimposes the pattern formed by the relief 10.
  • the substructures 13 are formed on the flanks of the elevations / depressions.
  • the substructures 13 are small in comparison to the height differences between low points 11 and high points 12.
  • Fig. 4 shows enlarged in perspective view an example of a design of the formed in the relief 10 substructures 13. From the flanks of the increase / depression two pyramidal or prismatic substructures 13 are formed on both sides, which are small compared to the structural depth of the relief 10.
  • the substructures 13 each have a first edge 16 which is oriented approximately perpendicular to the top 6, and a second edge 17 which is aligned parallel or nearly parallel to the opposite flank of the elevation / recess.
  • FIG Fig. 5 Another example of a design of the substructures 13 is shown in FIG Fig. 5 shown.
  • the substructures 13 here consist of dormer-like structures, which are each formed out of a flank of the elevation / depression.
  • the substructures 13 can be configured, for example, as a quarter sphere or as a quarter ellipse, as in FIG Fig. 5a indicated, where also arbitrary other sections or parts of a sphere or ellipse are possible. Or they can have the shape of a saddleback roof as in Fig. 5b hinted that jumps out of the increase / depression.
  • the main axes of the substructures 13 can be arranged in any desired angular positions relative to the longitudinal axis of the elevation / depression.
  • At least some of the elevations and depressions of the negative 21 are designed specifically as sharp and steep structures with flank angles ⁇ of 70 ° to 90 °, which at least in places cause a stamping effect during the embossing process, which leads to elevations of the cover layer 4.
  • the cover layer injuries are intended.
  • they complicate the separability of the core layer 2 and the cover layer 4 or the possibility once assembled layer parts together again to the initial state.
  • the relief 10 is impressed from the top 6 ago by pressure in the data carrier 1.
  • depressions 11 are produced on the one hand, whose low points are up to 100 ⁇ m, advantageously 30 to 50 ⁇ m, below the level of the upper side 6 of the undeformed data carrier 1.
  • high points 12 are generated, which protrude by as much above the level of the upper side 6 of the undeformed data carrier 1.
  • the texture depth h of the relief 10 is therefore up to 100%, ie it is up to 200 ⁇ m in the exemplary embodiments considered here. Typically, it is between 10 and 100 microns, especially useful between 10 and 80 ⁇ m.
  • the average structure width b of the relief 10 is expediently slightly below the order of magnitude of the structure depth h and amounts to approximately% thereof, ie the structure width b is expediently up to 150 ⁇ m; particularly expedient it is between 10 and 70 microns. Larger structure widths b of up to 300 ⁇ m are also possible.
  • the distance of the troughs 11 from the level of the undeformed data carrier 1 is more than half the thickness of the data carrier.
  • the residual material thickness at the punch-throughs is 33% to 0%, preferably 70% and 90% of the thickness D of the data carrier 1.
  • the core layer 2 is thus almost severed at the punch-throughs 19.
  • the embossing process for producing the relief 10 can be carried out at room temperature. Preferably, however, it is carried out at an elevated temperature of 50 to 200 ° C, preferably at 80 to 140 ° C.
  • the pressure is basically chosen so that the deformation does not lead to cracks in the cover layer 4 or in the core layer 2; suitable pressures are, for example, 0.1 to 1.0 t / cm 2 , corresponding to about 1 to 10 MN / m 2 .
  • deformation-related cracks in the cover layer 4 may also be intended in order to further increase the security against tearing attempts. In such cases, higher pressures are also considered.
  • the deformation for relief formation takes place so that on the opposite side of the data carrier 1, ie on the side of the lower protective layer 8, the relief 10 is no longer perceptible and the underside of the data carrier 1 rather remains smooth. This is achieved by the counter-pressure element.
  • the deformation of the data carrier 1 in the region of the relief 10 is carried out so that it continues at least weakened even into the lower-side protective layer 8. At least the system of the relief 10 is thereby still tactile perceptible on the opposite side of the data carrier 1.
  • embossing tool 20, 22 has the same or a similar size as data carrier 1.
  • further embossed structures 14 can be applied simultaneously with relief 10 in other subregions of data carrier 1, the other structural depths and have broad and cause other physical or optical effects.
  • a microlens structure-with microlenses having a diameter of, for example, less than 50 ⁇ m-can be applied, a matt structure or a blaze grating, as are known, for example, from the prior art described at the beginning.
  • it can, as in Fig. 3 indicated, in a different part of a micro-microprint 14 are impressed.
  • Fig. 3 shows an example of a data page for a passport, in which a relief 10 and at the same time a micro-font structure 14 are created.
  • the relief 10 overlays a part of the individualization 5.
  • a view angle ⁇ oriented along the longitudinal axis of the data page shows a different information for a viewer than at the angle of view ⁇ .
  • Other angles and angular orientations are of course readily possible.
  • the invention allows a number of further appropriate embodiments which are not described individually here.
  • additives can be added to individual layers, such as security elements, or they can undergo a special upstream processing.
  • the embossing tool may also contain purely design embossing elements, such as a frame enclosing the embossed area, in further embodiments. It can also be provided that the embossing tool simultaneously with the reliefs at predetermined locations of the data carrier breakthroughs, for example generated in the form of slots or holes. Further, it is further possible to design the viewing angle dependent optical effect so that more than two different pieces of information become visible at more than two different viewing angles.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Credit Cards Or The Like (AREA)

Claims (12)

  1. Support de données multicouche (1) en forme de carte comprenant une couche noyau (2) ainsi qu'une couche de recouvrement (4), cependant que au moins une partie de la surface du support de données (1) est déformée en un relief (10), caractérisé en ce que
    la couche noyau (2) comporte une individualisation (5) visible à travers la couche de recouvrement (4), et
    le relief (10) présente en outre un effet optique superposé indépendant de l'individualisation (5) et dépendant de l'angle d'observation, et qu'il s'étend à travers la couche de recouvrement (4) jusque dans la couche noyau (2), cependant qu'il touche une partie de l'individualisation (5) et la déforme avec lui.
  2. Support de données selon la revendication 1, caractérisé en ce que le relief (10) comporte au moins un poinçonnement (19) auquel l'épaisseur restante du matériau de la couche noyau (2) est comprise entre 33 % et 0 %, de préférence entre 30 % et 10 %, relativement à l'épaisseur (D) du support de données (1).
  3. Support de données selon la revendication 1, caractérisé en ce que la couche noyau (2) est à base de papier.
  4. Support de données selon la revendication 1, caractérisé en ce que le relief (10) est généré par un gaufrage.
  5. Support de données selon la revendication 1, caractérisé en ce que la profondeur de structure du relief (10) correspond à entre 20 et 100 % de la profondeur totale du support de données (1), de préférence à entre 30 et 60 %.
  6. Support de données selon la revendication 1, caractérisé en ce que la couche de recouvrement (4) porte, dans la zone du relief (10), un élément optiquement variable (7) déformé de manière correspondant au relief (10).
  7. Support de données selon la revendication 1, caractérisé en ce qu'au moins quelques unes des élévations et enfonçures du relief (10) sont réalisées sous forme de structures aiguës et abruptes ayant des angles de flanc α compris entre 70° et 90°.
  8. Support de données selon la revendication 1, caractérisé en ce qu'il comporte, du côté opposé à la couche de recouvrement, une couche de protection (8), et que la déformation touche aussi la couche de protection (8).
  9. Support de données selon la revendication 1, caractérisé en ce qu'une autre partie de sa surface est également déformée en un relief dont la profondeur de structure est différente de celle du relief (10) et qui présente un autre effet optique.
  10. Procédé de fabrication d'un support de données multicouche (1) en forme de carte comprenant une couche noyau (2) et une couche de recouvrement (4), comprenant les étapes :
    - mise à disposition d'une couche noyau (2) à base de papier,
    - mise à disposition d'une couche de recouvrement (4) transparente ou semitransparente,
    - création d'une individualisation (5) dans la couche noyau (2),
    - jonction de la couche de recouvrement (2) à la couche noyau (4),
    caractérisé par l'autre étape suivante :
    - déformation d'au moins une partie de la surface de la couche de recouvrement (2) et de la couche noyau (4) de manière à obtenir un relief (10) qui présente en outre un effet optique superposé qui est indépendant de l'individualisation (5) et dépendant de l'angle d'observation et qui s'étend à travers la couche de recouvrement (4) jusque dans la couche noyau (2), cependant qu'il touche une partie de l'individualisation (5) et la déforme avec lui.
  11. Procédé selon la revendication 10, caractérisé en ce que la jonction de la couche de recouvrement (2) et de la couche noyau (4) est effectuée par laminage et que, lors du processus de laminage, la déformation en un relief (10) est engendrée.
  12. Procédé selon la revendication 10, caractérisé en ce que la couche de recouvrement (2) est, lors de la déformation, gaufrée au moins à un endroit jusqu'à obtention d'une épaisseur restante de matériau comprise entre 33 % et 0 %, de préférence entre 30 % et 10 %, relativement à l'épaisseur (D) du support de données (1).
EP13826732.3A 2013-01-14 2013-12-20 Support de stockage de données sous forme de carte à relief Active EP2943351B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013000556.6A DE102013000556A1 (de) 2013-01-14 2013-01-14 Reliefierter kartenförmiger Datenträger
PCT/EP2013/003926 WO2014108164A1 (fr) 2013-01-14 2013-12-20 Support de stockage de données sous forme de carte à relief

Publications (2)

Publication Number Publication Date
EP2943351A1 EP2943351A1 (fr) 2015-11-18
EP2943351B1 true EP2943351B1 (fr) 2018-02-21

Family

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Application Number Title Priority Date Filing Date
EP13826732.3A Active EP2943351B1 (fr) 2013-01-14 2013-12-20 Support de stockage de données sous forme de carte à relief

Country Status (6)

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US (1) US9821593B2 (fr)
EP (1) EP2943351B1 (fr)
CA (1) CA2896808C (fr)
DE (1) DE102013000556A1 (fr)
MX (1) MX343259B (fr)
WO (1) WO2014108164A1 (fr)

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DE102017106721A1 (de) 2017-03-29 2018-10-04 Leonhard Kurz Stiftung & Co. Kg Verfahren zum Herstellen einer Mehrschichtfolie und eine Mehrschichtfolie sowie ein Sicherheitselement und ein Sicherheitsdokument
DE102017008918A1 (de) * 2017-09-22 2019-03-28 Giesecke+Devrient Currency Technology Gmbh Plättchenförmiges Pigment, Druckfarbe, Sicherheitselement und Herstellungsverfahren
US11468281B2 (en) * 2020-11-27 2022-10-11 Thales Dis France Sa Data carrier with tamper-indication
FR3130195B1 (fr) * 2021-12-13 2024-03-01 Idemia France Dispositif optique avec couche holographique

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DE3741179A1 (de) 1987-12-04 1989-06-15 Gao Ges Automation Org Dokument mit faelschungssicherem oberflaechenrelief und verfahren zur herstellung desselben
US4869946A (en) 1987-12-29 1989-09-26 Nimslo Corporation Tamperproof security card
US5267753A (en) * 1991-07-08 1993-12-07 Ernest Chock Holographic bank draft
DE4441198A1 (de) * 1994-11-18 1996-05-23 Giesecke & Devrient Gmbh Verfahren zur Herstellung eines Datenträgers
DE10044465A1 (de) * 2000-09-08 2002-03-21 Giesecke & Devrient Gmbh Datenträger mit einem optisch variablen Element
ATE344152T1 (de) 2000-10-05 2006-11-15 Trueb Ag Aufzeichnungsträger
DE10201032A1 (de) * 2002-01-11 2003-07-24 Giesecke & Devrient Gmbh Stahltiefdruckverfahren zum Herstellen eines Sicherheitsdokuments sowie Stahltiefdruckplatte und Halbzeuge dafür und Verfahren zu deren Herstellung
DE10243863A1 (de) * 2002-08-13 2004-02-26 Giesecke & Devrient Gmbh Datenträger mit einem optisch variablen Element
DE10248868A1 (de) * 2002-10-18 2004-07-08 Giesecke & Devrient Gmbh Wertdokument
EP1580020A1 (fr) * 2004-03-24 2005-09-28 Kba-Giori S.A. Plaque d'impression en creux
DE102005025095A1 (de) * 2005-06-01 2006-12-07 Giesecke & Devrient Gmbh Datenträger und Verfahren zu seiner Herstellung
FI20065407A0 (fi) * 2006-06-14 2006-06-14 Avantone Oy Vaikeasti väärennettävissä oleva hologrammi
DE102007024298B3 (de) * 2007-05-23 2008-10-16 Zahedi Fariborz Martin Loessl Folienelement zur Echtheitserkennung, Sicherheitspapier, Sicherheitsdokument, Wertdokument, Münze, Jeton, Gebrauchsgegenstand, Gestaltungselement sowie Verfahren zur Herstellung eines Folienelements zur Echtheitserkennung und Verfahren zur Herstellung eines Sicherheitspapiers, eines Sicherheitsdokuments und eines Wertdokuments wie einer Banknote
DE102007035161A1 (de) 2007-07-25 2009-01-29 Giesecke & Devrient Gmbh Sicherheitselement mit mehreren optisch variablen Strukturen
DE102009004128A1 (de) * 2009-01-05 2010-07-08 Giesecke & Devrient Gmbh Sicherheitselement mit optisch variabler Struktur
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DE102011114647A1 (de) 2011-09-30 2013-04-04 Giesecke & Devrient Gmbh Sicherheitselement mit mehreren optisch variablen Strukturen

Also Published As

Publication number Publication date
DE102013000556A1 (de) 2014-07-17
US20160185151A2 (en) 2016-06-30
MX2015009020A (es) 2015-09-07
WO2014108164A1 (fr) 2014-07-17
US20150367669A1 (en) 2015-12-24
CA2896808A1 (fr) 2014-07-17
US9821593B2 (en) 2017-11-21
WO2014108164A8 (fr) 2015-10-15
CA2896808C (fr) 2020-08-25
EP2943351A1 (fr) 2015-11-18
MX343259B (es) 2016-10-31

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