WO2016096095A1 - Document de securite - Google Patents

Document de securite Download PDF

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Publication number
WO2016096095A1
WO2016096095A1 PCT/EP2015/002415 EP2015002415W WO2016096095A1 WO 2016096095 A1 WO2016096095 A1 WO 2016096095A1 EP 2015002415 W EP2015002415 W EP 2015002415W WO 2016096095 A1 WO2016096095 A1 WO 2016096095A1
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WO
WIPO (PCT)
Prior art keywords
film
document
intermediate layer
representation
value
Prior art date
Application number
PCT/EP2015/002415
Other languages
German (de)
English (en)
Inventor
Hans Lochbihler
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
Publication of WO2016096095A1 publication Critical patent/WO2016096095A1/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
    • B42D25/20—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

Definitions

  • the invention relates to a document of value, such as a banknote, a check, a credit or other payment card, an identity card or the like, which has a front and a back, in plan view at least from the front shows a recognizable with the unaided eye representation, in the plan view has certain dimensions and has a multi-layer substrate body which has the certain dimensions in the plan view and is composed of at least a first and a second transparent film, each also in the plan view of the specific dimensions and which together by an intermediate layer are connected so that inner sides of the films facing away from each other and outer sides of the films from the intermediate layer, wherein the outside of the first film to the front and the outside of the second film to the back.
  • a document of value such as a banknote, a check, a credit or other payment card, an identity card or the like, which has a front and a back, in plan view at least from the front shows a recognizable with the unaided eye representation, in the plan view has certain dimensions and has a multi-layer substrate body which
  • Banknotes undergo relatively many, different production steps in their production.
  • Banknote paper is provided with illustrations by elaborate printing processes and is also colored.
  • Security threads are produced on film as semi-finished goods and later embedded in the production of the banknote paper.
  • Watermarks are incorporated in the banknote paper.
  • film-based security features eg. As holograms, optically variable elements and / or transparent windows integrated into banknotes. They are first produced on foil and later applied to the banknote paper.
  • Foil elements give banknotes additional security against counterfeiting.
  • their register-accurate integration with regard to the print image and the watermark is technically difficult. Therefore suffers Banknote design many times with regard to the lack of registration accuracy of these different banknote elements.
  • Value document is therefore understood here to include sheet-like value documents, such as banknotes, checks, etc., as well as comparatively rigid value documents, such as security, ID or payment cards.
  • colored images or motifs can be generated in reflection or transmission by sub-wavelength structures. This refers to periodic structures whose period is in the range of 150 nm to 500 nm, or aperiodic structures whose structural size is also in this order of magnitude. Different approaches for generated with it
  • EP 1434695 B1 describes an absorbent structure with a period smaller than the wavelength of light.
  • the structure is constructed as a cross lattice with a sinusoidal profile.
  • WO 2005/106601 A2 relates to moire magnification arrangements with microimages, which consist of antireflective areas and partially reflective areas.
  • the antireflecting surface is formed by nanostructures with a period smaller than 700 nm and a depth between 150 nm and 350 nm.
  • 7,468,842 B2 describe concave or convex surfaces, picture elements as relief surfaces which are filled with color, and "light trap patterns" formed by sub-wavelength structures for generating microimages for moiré magnification arrangements
  • DE 102008046128 AI is a Matt structure for a security element is known, which has a plurality of microelements each with a lateral dimension below 50 ⁇ ⁇ , wherein at least one geometry parameter of the microelements varies randomly to produce the matte effect.
  • the geometry parameter can be the depth of the microelements.
  • WO 2005/095119 A1 describes a security element in the form of a multilayer film body, which shows an angle-dependent color shift effect by means of interference.
  • a relief structure is formed in a replication lacquer layer, which is designed with regard to its geometry in such a way that the color shift effect is produced only in individual sections.
  • the aspect ratio of the relief structure is varied.
  • DE 102006050047 AI describes a see-through security element with microstructures, which are designed as micro cavities, which have a distance of 1 ⁇ from each other.
  • the invention has for its object to provide a document of value, in which film-based security elements can be easily combined with security elements that are generated by displaying images, etc., in particular without the above-mentioned Passerprobleme.
  • Another object of the invention is to provide a document of value that is particularly durable while in circulation.
  • a value document such as a banknote, a check, a credit or other payment card, a badge or the like, which has a front and a back, in top view at least from the front recognizable with the unaided eye representation shows, in plan view certain dimensions has and has a multi-layered substrate body, which has the certain dimensions in the plan view and is composed of at least a first and a second transparent film, each also in the plan view of the particular dimensions and which are interconnected by an intermediate layer, so that inner sides of the foils facing each other and outsides of the foils away from the intermediate layer.
  • the outer side of the first film points towards the front side and the outer side of the second film toward the rear side, wherein the representation recognizable from the front side is produced by a first, at least partially metalized embossed structure, which is arranged on the inside of the first film, at least is formed in sections as a sub-wavelength structure, which has a laterally, ie transversely to the top view direction, varying profiling and / or periodicity.
  • the outer side of the first film forming the front side and a front side of the intermediate layer facing the first film are free of imprints which contribute to the representation.
  • the invention deviates fundamentally from the prior art procedure, which basically assumed a print-based representation on the work document and combined this print-based representation with film-based security elements, and now exclusively uses the embossed structure to produce both the representation and further security features .
  • the value document according to the invention differs in that the usually pressure-based representation is now produced by the embossing structure, which is why the outsides of the foils and also the interlayer between the foils are free of imprints which would produce the representation
  • the invention now surprisingly uses the subwavelength structures known per se.
  • the embossed structure which is designed as a sub-wavelength structure, extends over the entire dimensions of the value document and generates the representation similar to a printed image.
  • Subwavelength structures have dimensions in the nanometer range.
  • the printed image of conventional banknotes is perceived by a viewer in reflection.
  • the light is diffusely scattered on the color pigments of the printed image.
  • the value documents according to the invention reflect the incident light primarily in the glancing angle.
  • the representation of the value document for example the banknote motif, becomes observable in the first diffraction order of the reflection.
  • a viewer sees a subject in a certain color in the glancing angle, which is perceptible in a wide range of angles.
  • the subwavelength structure can be designed such that the color remains constant for different viewing angles or-as an alternative variant-changes.
  • embossed structure allows viewing windows or semitransparent areas in the value document to be provided in different ways. Different transparent areas can be easily perceived by a viewer in transmitted light and are also difficult to imitate.
  • the invention uses surface-structured banknotes over the entire surface, which display to a viewer a representation produced by the subwavelength structures.
  • the conventional printed image of a value document for example a banknote, is modeled by the subwavelength structure with the lateral variation of profile / periodicity.
  • the subwavelength structures provide the representation not only in specular Reflection, but in the first diffraction order. They are designed so that the representation over a wide viewing angle range, which is almost or completely the same as a conventional print image, recognizable.
  • the printed image of the value document is reproduced by full-surface embossed and metallized nanostructures
  • the conventional printing process in the banknote production is superfluous.
  • the embossed structure lies on the inside of the film and is therefore robust against environmental influences.
  • all desired security features such as holograms, micromirrors etc. can be produced in a single embossing step with the sub-wavelength structure that generates the printed image.
  • the production of the value document is thus significantly simplified.
  • the appearance of the first diffraction order increases the security against counterfeiting over conventional banknotes.
  • the value document according to the invention makes it possible with the embossing structure to produce not only the subwavelength structure but also other structures which are required for film-based security features in the same production process. It is therefore preferable that the embossed structure has a periodicity of 150 nm to 500 nm in the portions in which it is formed as a sub-wave structure, or aperiodic with a feature size of 150 nm to 500 nm.
  • the profile of the embossed structure may be a rectangular profile or sine grid or intermediate forms of these two geometries, wherein the profile type varies laterally to produce the representation. It is also possible, at least in sections, to form the embossed structure as a moth-eye structure. Under it understands a black background generating structure, as explained at the beginning of the prior art.
  • One example of a film-based security element that is produced by the embossed structure is to form the embossed structure at least in one region as a microstructure with a period of 500 nm to 2 ⁇ m or aperiodically in order to represent a hologram or a matt structure.
  • the representation is produced by the embossed structure, which is arranged on the foil lying on top in the viewing direction and there on the inside.
  • the intermediate layer In order to avoid an effect by the film lying down in the viewing direction, it is preferable for the intermediate layer to be at least partially opaque.
  • the representation is then effected exclusively by the embossing structure on the film lying overhead in the viewing direction.
  • both films are provided on their insides with metallized embossed structures, ie the value document shows in plan view from the back another recognizable with the unaided eye representation, which is produced by a second, at least partially metallized embossed structure, which the inner side of the second film is arranged and which is at least partially formed as a sub-wavelength structure with laterally varying profiling and / or periodicity.
  • the outer side of the second film forming the rear side and the rear side of the intermediate layer facing the second side are then free of imprints which contribute to the further illustration.
  • One such designed value document then generates both on the front and on the back in each case a representation exclusively by the embossed structure. Even a value document designed in this way no longer requires any printing process during the production.
  • the first and second embossing structures form a solid in opposite regions.
  • the metallization of the embossed structures is relevant.
  • the window area preferably no metallization is provided. This can be achieved in that the metallization is not applied from the beginning in the window area or that a metallization is subsequently removed again in the window area, for example by removal with a laser or the use of a so-called wash ink. Both means are known to those skilled in the art.
  • a window it is possible to use an asymmetrical profile for the metallized first or second embossing pattern, which is designed such that the respective embossing pattern generates, in reflection, a motif that disappears in a transparent manner.
  • a design is known from the cited references for nanostructures or sub-wavelength structures. It is particularly easy to apply here, since both the formation of the window and the corresponding motifs, which appear in plan view or fürsicht, with one and the same embossing process This embossing process also produces the basic representation of the value document. A demetallization can then be omitted under certain circumstances.
  • the intermediate layer can consist of a dielectric with which the inner sides of the films are laminated. It is also possible to design the value document as a so-called hybrid value document, for example as a hybrid banknote, if the intermediate layer comprises a banknote paper. Particularly preferred here is a banknote paper which has a watermark, the embossing structures forming a window in the area above the watermark. This will make the watermark visible through the window.
  • An additional color effect of the representation can be achieved in that there is a color layer on the film or films or the film is / are colored. Alternatively or additionally, it is possible to color the intermediate layer.
  • Banknotes are examples of value documents that are individualized. You have a serial number. This serial number can be individually written for each bill in the metallized area provided for this purpose in the value document according to the invention with pulsed laser radiation, in that the metal is removed or converted at the irradiated points. This process preferably takes place at the end of the banknote production, ie after the lamination of the front and back of the banknotes.
  • metallization is to be understood as meaning a coating which consists of metal or contains the metal.
  • Layer structure possible, which consists of a composite layer that has metal deposits. But it can also consist of a multi-layer structure in which one or more layers are metallic.
  • embossing process in particular photolithographic processes, for. Electron beam method, laser direct exposure, focused ion beam exposure method etc. The original of the embossed structure is written in a substrate coated with photoresist and then the exposed portion of the photoresist is removed.
  • an embossing die is produced as a master, with which then an embossing cylinder for the embossing of a film web is produced.
  • the structure is finally about a stamping process in UV varnish on film or directly (eg., By hot stamping in the surface of the film) replicates.
  • 1 is a plan view of a banknote
  • Fig. 2-12 are schematic sectional views through a substrate body of
  • FIG. 1 shows schematically a bank note 1 surface-structured with nanostructure, which is constructed from a substrate body 2, which has a height H and a width B.
  • the substrate body 2 is provided on inner surfaces with an embossed structure, which at least partially provides a sub-wavelength structure. This will be explained in more detail below with reference to the sectional views of FIGS. 2 to 12, which show various embodiments of the embossing structure.
  • the banknote 1 which is an example of a value document, provides an observer from the front, which is shown in Fig. 1, a representation 3, as is customary for banknotes.
  • the representation 3 may comprise, for example, a graphically designed background 4, an image 5, a hologram 6, a value 7 and a serial number 8. It is also possible to provide a window 19 in which the banknote is partially transparent. For example, see-through effects may be present in the window 19, ie, a motif visible on the front side is supplemented with a motif visible on the rear side in view of another motif.
  • the substrate body 2 with the height H and the width B is made up of at least two films of the same dimensions, as the sectional view of FIG. 2, which shows an embodiment for the banknote 1, shows in more detail.
  • a top 9 which can be seen in Fig. 1, top, and a back 10 is below.
  • the substrate body 2 comprises a first film 11, the outwardly facing surface of which forms the front side 9, and a second film 12, the outside of which forms the rear side 10. Between the first film 11 and the second film 12 is located as an intermediate layer, a dielectric 13th
  • a first embossed structure 14 is formed on the inside of the first film 11 and a second embossing structure 15 on the inside of the second film 12.
  • the embossed structures reproduce the printed image of the illustration 3 of the banknote 1 by producing a sub-wavelength structure with a laterally varying profile and / or laterally varying periodicity. Details for the
  • the first embossed structure 14 on the inside of the first film 11 is visible when viewed from the front side 9 and completely forms the representation 3, so z.
  • the hologram 6 is generated by a region of the embossed structure, which has a suitable periodicity, which is higher than that of the nanostructure. Holograms are known to be formed by the grating areas with periods of 0.6 ⁇ to 2 ⁇ .
  • the first and second foils 11 and 12 are transparent. Preferably, they are each a plastic film.
  • the films 11 and 12 are embossed with the embossed structures 14 and 16 and then provided with the metallization, for example by an on-steam process. Subsequently, the two films are connected to one another via the intermediate layer, which forms the dielectric 13, for example by lamination.
  • the dielectric 13 may preferably be a polymer.
  • the outer surfaces of the films 11, 12 with a matting 16 to provide, for example in the form of a coating that creates a slightly scattering surface.
  • a light scattering in a cone with an opening angle of about 5 degrees is sufficient to reduce the specular gloss of the films 11, 12 and the specular reflection on the nanostructured surface of the embossed structures 14, 15 and thus the perception for a viewer outside the glancing angle, especially in localized light sources, such as sunlight or lamplight, to increase.
  • FIG. 4 shows that the embossed structures can also comprise a hologram structure 18. This is shown by way of example in FIG. 4 on the basis of the first embossed structure 14. This hologram structure 18 generates, for example, the hologram 6.
  • the embossed structures 14, 15 can also be unstructured and / or non-metallized in one area. This area then forms a window 19 of the banknote, as FIG. 5 shows.
  • FIG. 6 shows a banknote in which the embossed structures 14, 15 on the inner surfaces of the films 11, 12 in the region of the window show partial motifs 20, 21.
  • the structures of the sub-motifs 20, 21 are complementary to another motif. It is particularly advantageous if the structures of the partial motifs 20, 21 have vertically asymmetrical profiles. From WO 2014/023415 Al it is known that in this way motifs are generated in reflection, which completely disappear when viewed through the window 19.
  • embossing structures an angle-dependent color filter, which also has polarizing properties.
  • the properties and production of such transmission filters are in the DE 12011115589 AI explained in more detail.
  • These structures are likewise suitable for the design of the window 19, for example for the partial motifs 20 and 21.
  • the opacity of the material between the embossed structures 14 and 15 ensures that, when viewing the front side 9, only the embossing structure 14 contributes to the representation, when viewed from the rear side 10 only the embossed structure 15.
  • the opacity can, for example, an opaque layer 22, preferably an opaque white or a colored adhesive layer or laminating layer, be realized. If the structural body 2 of the banknote 1 has a window 19, the opaque layer 22 is of course interrupted in this area, as FIG. 8 shows.
  • the opaque layer 22 is provided with a locally varying opacity.
  • this is realized by differently densely arranged holes 23.
  • another variation of the opacity is possible, for example, by a laterally varying thinning of the opaque layer 22 or by a varying coloration.
  • This measure makes it possible for the embossed structures 14 and 15 to interact with one another to a varying degree within the representation visible from the front side 9 and the rear side 10, ie there may be regions in which not only the embossed structure when viewed from the front side 9 14, but to a certain extent, the embossed structure 15 is visible. For example, in other areas where the opacity is greater, this is not or less the case.
  • a color effect can be produced by providing one or both of the films with a color layer 24. Likewise, it is possible to color the intermediate layer.
  • Fig. 10 shows the variant with colored foil and Fig. 11 shows the variant with colored intermediate layer.
  • FIG. 12 shows the cross section of a so-called hybrid banknote, in which a banknote paper 25 is arranged between the first and the second film 11, 12.
  • this banknote paper additionally contains a watermark 26 above or below which the embossed structures 14, 15 form the window 19, so that the watermark is visible when viewed from the front side 9 and the rear side 10, respectively.
  • another window can also be provided in the banknote paper 25 in order, for example, to realize the effect of FIGS. 5, 6 or 8.
  • Another embodiment has different transparent areas.
  • the coated embossed structures 14, 15 are partially semi-transparent and the intervening opaque layer is partially interrupted. It is thus possible to produce regions of complete transparency, regions with a transparency which results from the transmission of the embossed structure 14 and 15, completely nontransparent regions or regions with laterally varying opacity, as shown in FIG.
  • the production of the value document comprises the following steps:
  • the relief structure for an original having dimensions of the document of value, such as height H and width B is generated the banknote 1.
  • This relief structure is generated for example by means of photolithographic processes in a photoresist.
  • a stamp is then produced as a master, for example by copying the relief structure into a nickel mold by means of electroplating or into a photopolymer.
  • an embossing cylinder is produced, which replicates the relief structure of the original on the surface of the embossing cylinder.
  • Typical steps for producing a stamping cylinder are the galvanic Abf ormation of a replica in nickel and drawing the structured nickel foil on a stamping cylinder.
  • a film web with the embossed structure can alternatively also be used for the subsequent reproduction process.
  • the embossing cylinder produced in this way is then used on a plastic film web in a continuous process to mold the original structure many times in UV varnish or by means of a hot embossing process into the film.
  • the so-embossed film web contains transversely to the web direction lines in which several areas of width B and height H are adjacent. The lines are repeated along the film web.
  • the so-embossed film web is then coated with a thin metal layer, preferably aluminum, silver, chromium, copper, gold or alloys thereof. It is also possible to apply half-metal layers, for example silicon, germanium, carbon and silicon oxide (preferably with a silicon-to-oxygen ratio of less than one).
  • coating processes high-vacuum vapor deposition by means of vapor deposition or sputtering or other coating processes are suitable.
  • film webs for the first film 11 and the second film 12 are produced. These are then joined to their insides, ie those sides which contain the metallized embossed structures.
  • an internal substrate such as a banknote paper can be laminated.
  • the banknotes 1 thus produced are separated by cutting.
  • the production of demetallelleen areas or a window takes place before joining the two films.
  • the material and paint are removed by a washing process, as known to those skilled in the art.
  • the metallization can be removed by irradiation with suitable laser radiation.
  • the serial numbers 8 can be introduced into the film.
  • the material is preferably removed on one side in a pattern corresponding to the serial number 8. The contrast is created later by the view of the inside of the backside film or on the inside substrate or dielectric.
  • the matting of the surface can be produced on the film web by laminating a scattering layer on the outside or by plasma melting of the film surface.
  • the light scattering can be accomplished either by the roughness of the film surface or the roughness of the applied transparent layer.
  • the laminated layer may contain fine scattering bodies, such as particles, air bubbles, etc., which form a refractive index contrast to the support medium to achieve matting Reference symbol

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  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Credit Cards Or The Like (AREA)
  • Holo Graphy (AREA)

Abstract

L'invention concerne un document de valeur, tel qu'un billet de banque, un chèque, une carte de crédit ou de paiement, une carte d'identité ou analogue, qui possède un côté avant (9) et un côté arrière (10), qui présente en vue de dessus au moins du côté avant une représentation (3) visible à l'œil nu, qui a en vue de dessus des dimensions (B, H) déterminées et qui comporte un corps de substrat multicouche (2) qui a en vue de dessus les dimensions (B, H) déterminées et qui est formé à partir d'au moins un premier et un second film transparent (11, 12), qui ont chacun en vue dessus également les dimensions (B, H) déterminées et qui sont reliés entre eux par une couche intermédiaire (13) de sorte que des côtés intérieurs des films (11, 12) sont dirigés l'un vers l'autre et des côtés extérieurs des films (11, 12) sont dirigés à l'opposé de la couche intermédiaire (13). Le côté extérieur du premier film (11) est dirigé vers l'avant (9) et le côté extérieur du second film (12) est dirigé vers le côté arrière (10). La représentation (3) visible du côté avant est générée par une première structure en relief (14), métallisée au moins par endroits, qui est disposé du côté intérieur du premier film (9), qui est configuré au moins en partie en sous-structure de longueur d'onde (17) qui présente un profilage et/ou une périodicité variant latéralement, donc transversalement à la direction en vue de dessus. Le côté extérieur du premier film (11) qui forme le côté avant (9) et un côté avant de la couche intermédiaire (13) qui est dirigé vers le premier film sont dépourvu de reliefs contribuant à former la représentation.
PCT/EP2015/002415 2014-12-15 2015-12-01 Document de securite WO2016096095A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014018551.6A DE102014018551A1 (de) 2014-12-15 2014-12-15 Wertdokument
DE102014018551.6 2014-12-15

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* Cited by examiner, † Cited by third party
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DE102017130588A1 (de) 2017-12-19 2019-06-19 Giesecke+Devrient Currency Technology Gmbh Wertdokument
WO2020253991A1 (fr) 2019-06-18 2020-12-24 Giesecke+Devrient Currency Technology Gmbh Substrat de sécurité et document de valeur fabriqué à partir de celui-ci

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT523690B1 (de) * 2020-03-16 2022-03-15 Hueck Folien Gmbh Flächiges Sicherheitselement mit optischen Sicherheitsmerkmalen
DE102020004236A1 (de) 2020-07-14 2022-01-20 Giesecke+Devrient Currency Technology Gmbh Wertdokument
DE102021002600A1 (de) * 2021-05-18 2022-11-24 Giesecke+Devrient Currency Technology Gmbh Wertdokument und Verfahren zur Herstellung eines Wertdokuments
DE102021005911A1 (de) 2021-11-30 2023-06-01 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement mit reflektivem Flächenbereich, Datenträger und Herstellungsverfahren
DE102022001749A1 (de) * 2022-05-18 2023-11-23 Giesecke+Devrient Currency Technology Gmbh Wertdokument und Verfahren zur Herstellung eines Wertdokuments
DE102022002470A1 (de) 2022-07-06 2024-01-11 Giesecke+Devrient Currency Technology Gmbh Optisch variables Flächenmuster, Wertdokument mit optisch variablem Flächenmuster und Verfahren zur Herstellung eines optisch variablen Flächenmusters
DE102022003230A1 (de) * 2022-09-02 2024-03-07 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement mit farberzeugenden Nanostrukturen und Herstellverfahren dafür

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1476317A1 (fr) 2002-01-24 2004-11-17 Nanoventions, Inc. Micro-optiques pour identification d'articles
EP1434695B1 (fr) 2001-10-12 2005-02-02 OVD Kinegram AG Element de securite
WO2005095119A1 (fr) 2004-04-03 2005-10-13 Ovd Kinegram Ag Element de securite se presentant sous la forme d'un corps en pellicule multicouche
WO2005106601A2 (fr) 2004-04-30 2005-11-10 De La Rue International Limited Dispositifs optiquement variables ameliores
DE102006050047A1 (de) 2006-10-24 2008-04-30 Giesecke & Devrient Gmbh Durchsichtssicherheitselement mit Mikrostrukturen
US7468842B2 (en) 2004-11-22 2008-12-23 Nanoventions Holdings, Llc Image presentation and micro-optic security system
DE102008046128A1 (de) 2008-09-05 2010-03-11 Giesecke & Devrient Gmbh Optisch variables Sicherheitselement mit Mattbereich
DE102009012300A1 (de) 2009-03-11 2010-09-16 Giesecke & Devrient Gmbh Sicherheitselement mit mehrfarbigem Bild
DE102009024987A1 (de) * 2009-06-16 2010-12-23 Giesecke & Devrient Gmbh Folienverbundbanknote
DE102009056933A1 (de) * 2009-12-04 2011-06-09 Giesecke & Devrient Gmbh Sicherheitselement mit Farbfilter, Wertdokument mit so einem solchen Sicherheitselement sowie Herstellungsverfahren eines solchen Sicherheitselementes
DE102010051023A1 (de) * 2010-11-11 2012-05-16 Giesecke & Devrient Gmbh Mehrlagiges Substrat, Verfahren zum Herstellen desselben und Wertdokument
WO2012156049A1 (fr) 2011-05-16 2012-11-22 Giesecke & Devrient Gmbh Grille bidimensionnelle périodique filtrant les couleurs
DE102011115589A1 (de) 2011-10-11 2013-04-11 Giesecke & Devrient Gmbh Sicherheitselement
WO2014023415A1 (fr) 2012-08-10 2014-02-13 Giesecke & Devrient Gmbh Élément de sécurité comportant une structure produisant un effet coloré

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1434695B1 (fr) 2001-10-12 2005-02-02 OVD Kinegram AG Element de securite
EP1476317A1 (fr) 2002-01-24 2004-11-17 Nanoventions, Inc. Micro-optiques pour identification d'articles
WO2005095119A1 (fr) 2004-04-03 2005-10-13 Ovd Kinegram Ag Element de securite se presentant sous la forme d'un corps en pellicule multicouche
WO2005106601A2 (fr) 2004-04-30 2005-11-10 De La Rue International Limited Dispositifs optiquement variables ameliores
US7468842B2 (en) 2004-11-22 2008-12-23 Nanoventions Holdings, Llc Image presentation and micro-optic security system
DE102006050047A1 (de) 2006-10-24 2008-04-30 Giesecke & Devrient Gmbh Durchsichtssicherheitselement mit Mikrostrukturen
DE102008046128A1 (de) 2008-09-05 2010-03-11 Giesecke & Devrient Gmbh Optisch variables Sicherheitselement mit Mattbereich
DE102009012300A1 (de) 2009-03-11 2010-09-16 Giesecke & Devrient Gmbh Sicherheitselement mit mehrfarbigem Bild
DE102009024987A1 (de) * 2009-06-16 2010-12-23 Giesecke & Devrient Gmbh Folienverbundbanknote
DE102009056933A1 (de) * 2009-12-04 2011-06-09 Giesecke & Devrient Gmbh Sicherheitselement mit Farbfilter, Wertdokument mit so einem solchen Sicherheitselement sowie Herstellungsverfahren eines solchen Sicherheitselementes
DE102010051023A1 (de) * 2010-11-11 2012-05-16 Giesecke & Devrient Gmbh Mehrlagiges Substrat, Verfahren zum Herstellen desselben und Wertdokument
WO2012156049A1 (fr) 2011-05-16 2012-11-22 Giesecke & Devrient Gmbh Grille bidimensionnelle périodique filtrant les couleurs
DE102011115589A1 (de) 2011-10-11 2013-04-11 Giesecke & Devrient Gmbh Sicherheitselement
WO2014023415A1 (fr) 2012-08-10 2014-02-13 Giesecke & Devrient Gmbh Élément de sécurité comportant une structure produisant un effet coloré

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
H. LOCHBIHLER: "Colored images generated by metallic subwavelength gratings", OPT. EXPRESS, vol. 17, 2009, pages 12189 - 12196
Y. YU; L. WEN; S. SONG; Q. CHEN: "Transmissive/Reflective Structural Color Filters: Theory and Applications", JOURNAL OF NANOMATERIALS, 2014, pages 2014
Y. YU; L. WEN; S. SONG; Q. CHEN: "Transmissive/Reflective Structural Color Filters: Theory and Applications", JOURNAL OF NANOMATERIALS, vol. 2014, 2014, pages 17

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017130588A1 (de) 2017-12-19 2019-06-19 Giesecke+Devrient Currency Technology Gmbh Wertdokument
WO2019121965A2 (fr) 2017-12-19 2019-06-27 Giesecke+Devrient Currency Technology Gmbh Document de valeurs
CN111511570A (zh) * 2017-12-19 2020-08-07 捷德货币技术有限责任公司 有价文件
EP3828002A1 (fr) 2017-12-19 2021-06-02 Giesecke+Devrient Currency Technology GmbH Document de valeurs
CN111511570B (zh) * 2017-12-19 2021-11-23 捷德货币技术有限责任公司 有价文件
WO2020253991A1 (fr) 2019-06-18 2020-12-24 Giesecke+Devrient Currency Technology Gmbh Substrat de sécurité et document de valeur fabriqué à partir de celui-ci
CN113966279A (zh) * 2019-06-18 2022-01-21 捷德货币技术有限责任公司 防伪衬底和由此制造的有价文件
EP4112324A1 (fr) 2019-06-18 2023-01-04 Giesecke+Devrient Currency Technology GmbH Substrat de sécurité et document de valeur produit à partir de celui-ci
EP4112325A1 (fr) 2019-06-18 2023-01-04 Giesecke+Devrient Currency Technology GmbH Substrat de sécurité et document de valeur produit à partir de celui-ci
EP4112326A1 (fr) 2019-06-18 2023-01-04 Giesecke+Devrient Currency Technology GmbH Substrat de sécurité et document de valeur produit à partir de celui-ci

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