EP1558449A1 - Procede de production de caracteristiques d'identification infalsifiables - Google Patents

Procede de production de caracteristiques d'identification infalsifiables

Info

Publication number
EP1558449A1
EP1558449A1 EP03784094A EP03784094A EP1558449A1 EP 1558449 A1 EP1558449 A1 EP 1558449A1 EP 03784094 A EP03784094 A EP 03784094A EP 03784094 A EP03784094 A EP 03784094A EP 1558449 A1 EP1558449 A1 EP 1558449A1
Authority
EP
European Patent Office
Prior art keywords
layer
carrier substrate
spacer layer
metallic
electromagnetic waves
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
EP03784094A
Other languages
German (de)
English (en)
Other versions
EP1558449B1 (fr
Inventor
Friedrich Kastner
Martin Bergsmann
Harald Walter
Georg Bauer
Ralph Domnick
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.)
Hueck Folien GmbH
Original Assignee
Hueck Folien GmbH
November AG
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
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Application filed by Hueck Folien GmbH, November AG filed Critical Hueck Folien GmbH
Publication of EP1558449A1 publication Critical patent/EP1558449A1/fr
Application granted granted Critical
Publication of EP1558449B1 publication Critical patent/EP1558449B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/43—Marking by removal of material
    • B42D25/435—Marking by removal of material using electromagnetic radiation, e.g. laser
    • 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
    • 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
    • B42D2033/10—
    • B42D2033/18—
    • B42D2033/30—

Definitions

  • the invention relates to a method for producing counterfeit-proof identification features which have a color shift effect caused by metallic clusters which are separated from a mirror layer by a defined transparent layer.
  • the object of the invention is to provide a method for producing counterfeit-proof identification features on flexible materials, the counterfeit security being provided by a visible color change at different viewing angles (tilting effect), which should also be machine-readable.
  • the manufacturing process should be clearly coded in the machine-read spectrum.
  • the invention therefore relates to a method for producing counterfeit-proof identification features, each consisting of at least one layer reflecting electromagnetic waves, a spacer layer and a layer formed by metallic clusters, with a partial or full-surface layer reflecting electromagnetic waves and then one or more partial layers on a carrier substrate and / or full-area polymer layers of a defined thickness are applied, whereupon a layer formed from metallic clusters, which is produced by means of a vacuum technology process or from solvent-based systems, is applied to the spacer layer.
  • Flexible plastic films for example made of PI, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC, are preferably suitable as the carrier substrate ,
  • the carrier films preferably have a thickness of 5 to 700 ⁇ m, preferably 8 to 200 ⁇ m, particularly preferably 12 to 50 ⁇ m.
  • metal foils for example Al, Cu, Sn, Ni, Fe or stainless steel foils with a thickness of 5-200 ⁇ m, preferably 10 to 80 ⁇ m, particularly preferably 20-50 ⁇ m, can also serve as the carrier substrate.
  • the films can also be surface-treated, coated or laminated, for example with plastics, or painted.
  • carrier substrates also cellulose-free or cellulose-containing paper
  • heat-activatable paper or composites with paper for example, composites with plastics with a grammage 20-500 g / m 2, preferably 40-200 g / m 2. be used.
  • An electromagnetic wave reflecting layer is applied to the carrier substrate.
  • This layer can preferably consist of metals, such as aluminum, gold, chromium, silver, copper, tin, platinum, nickel and their alloys, for example nickel / chromium, copper / aluminum and the like.
  • the electromagnetic wave reflecting layer can be applied over the entire surface or partially by known methods such as spraying, vapor deposition, sputtering, printing (gravure, flexographic, screen, digital printing), painting, roller application processes and the like.
  • a method using a soluble paint application for producing the partial metallization is particularly suitable for partial application.
  • a paint application that is soluble in a solvent is applied to the carrier substrate, in a second step this layer optionally treated by means of an inline plasma, corona or flame process and in a third step a layer of the metal or metal alloy to be structured is applied, whereupon in a fourth step the application of paint using a solvent, optionally combined with a mechanical action, Will get removed.
  • the soluble paint can be applied over the entire surface or partially, the metal or metal alloy is applied over the entire surface or partially.
  • the color application can be carried out by any method, for example gravure printing, flexographic printing, screen printing, digital printing and the like.
  • the paint or varnish used is soluble in a solvent, preferably water, but it is also possible to use a paint which is soluble in any solvent, for example alcohol, esters and the like.
  • the paint or varnish can be conventional compositions based on natural or artificial macromolecules.
  • the soluble color can be pigmented or unpigmented. All known pigments can be used as pigments. TiO 2 , ZnS, kaolin and the like are particularly suitable.
  • the printed carrier substrate is then optionally treated using an inline plasma (low pressure or atmospheric plasma), corona or flame process.
  • High-energy plasma for example Ar or Ar / O 2 plasma, cleans the surface of toning residues in the printing inks.
  • the surface is activated. Terminal polar groups are created on the surface. This improves the adhesion of metals and the like to the surface.
  • a thin metal or metal oxide layer can be used as an adhesion promoter, for example by sputtering or, simultaneously with the application of the plasma or corona or flame treatment or afterwards Evaporation can be applied.
  • Cr, Al, Ag, Ti, Cu, TiO 2 , Si oxides or chromium oxides are particularly suitable.
  • This adhesion promoter layer generally has a thickness of 0.1 nm to 5 nm, preferably 0.2 nm to 2 nm, particularly preferably 0.2 nm to 1 nm.
  • a partial layer reflecting electromagnetic waves can also be produced by a customary known etching process.
  • the thickness of the layer reflecting electromagnetic waves is preferably approximately 10-50 nm, although higher or lower layer thicknesses are also possible.
  • the carrier substrate itself can already form the layer reflecting electromagnetic waves.
  • the reflection of this layer for electromagnetic waves is preferably 10-100%, in particular depending on the thickness of the layer or the metal foil used.
  • the subsequent polymer layer or the polymer layers can likewise be applied over the entire surface or partially.
  • the polymeric layers consist, for example, of dyeing or coating systems based on nitrocellulose, epoxy, polyester, rosin, acrylate, alkyd, melamine, PVA, PVC, isocyanate or urethane systems.
  • This polymeric layer essentially serves as a transparent spacer layer, but can be absorbent in a certain spectral range, depending on the composition. If necessary, this absorbing property can also be enhanced by adding a suitable chromophore become.
  • a suitable spectral range can be selected by selecting different chromophores.
  • the polymer layer can also be made machine-readable. For example, in the blue spectral range (in the range of approximately 400 nm), a yellow AZO dye, for example anilides; Rodural, eosin. The dye also changes the spectrum of the marking in a characteristic manner.
  • This polymeric layer can, depending on the quality of the adhesion on the carrier web or a layer which may be underneath
  • This structuring can be done, for example, by modifying the
  • the polymer layer has a defined thickness, preferably 10 nm to 3 ⁇ m, particularly preferably 100-1000 nm. If several polymer layers are applied, they can each have different thicknesses.
  • the polymeric layer can be applied by any coating method, such as, for example, by brushing, painting, pouring, spraying, printing (screen printing, gravure printing, flexographic printing or digital printing method) or roller application method.
  • the polymer layer is preferably applied in a process which permits the application of very homogeneous layer thicknesses over large areas. A homogeneous layer thickness is therefore required in order in the finished product to ensure an even appearance of color.
  • the tolerances are preferably not more than + 5%, preferably ⁇ 2%.
  • a printing process is particularly suitable, the paint or varnish being applied from a temperature-controlled varnish pan to the printing cylinder via an immersion cylinder and a transfer roller, essentially only the depressions of the printing cylinder being filled with the paint or varnish. Excess paint or varnish is stripped off using a doctor blade and, if necessary, further dried using a blow molding.
  • a layer formed from metallic clusters is then applied to the polymer layer.
  • the metallic clusters can consist, for example, of aluminum, gold, palladium, platinum, chromium, silver, copper, nickel and the like or their alloys, such as Au / Pd or Cr / Ni.
  • This cluster layer can be applied by sputtering (for example ion beam or magnetron) or evaporation (electron beam) from a solution or by adsorption.
  • sputtering for example ion beam or magnetron
  • evaporation electron beam
  • the growth of the clusters and thus their shape and the optical properties can advantageously be influenced by adjusting the surface energy or the roughness of the layer below. This changes the spectra in a characteristic way. This can be done, for example, by thermal treatment in the coating process or by preheating the substrate.
  • the shape and thus also the optical properties of the clusters can be influenced by adjusting the surface energy or the condensation coefficient of the metal on the layer below. These parameters can take place, for example, by treating the surface with oxidizing liquids, for example with Na hypochlorite or in a PVD or CVD process.
  • the cluster layer can preferably be applied by means of sputtering.
  • the properties of the layer in particular the density and the structure, are adjusted above all by the power density, the amount of gas used and its composition, the temperature of the substrate and the web speed.
  • the clusters are prepared in solution in a first step, then the clusters are derivatized, concentrated and applied directly to the polymer surface.
  • an inert polymer for example PVA, polymethyl methacrylate, nitrocellulose, polyester or urethane systems
  • PVA polymethyl methacrylate
  • nitrocellulose nitrocellulose
  • polyester or urethane systems small amounts of an inert polymer, for example PVA, polymethyl methacrylate, nitrocellulose, polyester or urethane systems
  • the mixture can then subsequently be applied to the polymeric layer by means of a printing process, for example screen, flexographic or preferably gravure printing.
  • the thickness of the cluster layer is preferably 2-20 nm, particularly preferably 3-10 nm.
  • a protective layer can be applied using vacuum technology or printing technology methods.
  • the polymer layer is deliberately structured by modifying the surface energy.
  • the structures then appear very high-contrast due to the color effect due to the subsequently applied cluster layer, which makes them easily recognizable to the eye. Therefore, such a structuring creates an additional forgery-proof feature.
  • this structuring can be converted into unique codes using fingerprint algorithms, which can then be read out by machine. This allows structuring to be assigned a defined numerical value, whereby markings with the same manufacturing parameters, i.e. with the same color effect, can be customized.
  • the individual layer combinations can also be applied to separate substrates.
  • the electromagnetic wave reflecting layer and the polymeric spacer layer can be applied to a first substrate, which can be applied, for example, to a value document or incorporated into this value document.
  • the cluster layer which is optionally provided with an adhesive layer, can then be applied to a further substrate.
  • the carrier substrate can also already have one or more functional and / or decorative layers.
  • compositions can be used as such coloring or lacquer layers.
  • the composition of the individual layers can vary, in particular, depending on their task, depending on whether the individual layers are used exclusively for decorative purposes or are to be a functional layer or whether the layer is to be both a decorative layer and a functional layer.
  • the layers to be printed can be pigmented or unpigmented. All known pigments, such as titanium dioxide, zinc sulfide, kaolin, ATO, FTO, ITO, aluminum, chromium and silicon oxides as well as colored pigments can be used as pigments. Solvent-based coating systems as well as systems without solvents can be used. Various natural or synthetic binders can be used as binders.
  • the functional layers can, for example, have certain electrical, magnetic, special chemical, physical and also optical properties.
  • electrical properties for example conductivity
  • graphite, carbon black, conductive organic or inorganic polymers For setting electrical properties, for example conductivity, it is possible, for example, to use graphite, carbon black, conductive organic or inorganic polymers.
  • Metal pigments for example copper, aluminum, silver, gold, iron, chromium lead and the like
  • metal alloys such as copper-zinc or copper-aluminum or their sulfides or oxides, or also amorphous or crystalline ceramic pigments such as ITO and the like
  • doped or undoped semiconductors such as silicon, germanium or ion conductors such as amorphous or crystalline metal oxides or metal sulfides can also be used as additives.
  • polar or partially polar compounds such as surfactants or non-polar compounds such as silicone additives or hygroscopic or non-hygroscopic salts can be used or added to adjust the electrical properties of the layer.
  • Paramagnetic, diamagnetic and also ferromagnetic substances such as iron, nickel and cobalt or their compounds or salts (for example oxides or sulfides) can be used to adjust the magnetic properties.
  • the optical properties of the layer can be determined by visible dyes or pigments, luminescent dyes or pigments that fluoresce or phosphoresce in the visible, in the UV range or in the IR range, effect pigments such as liquid crystals, pearlescent, bronzes and / or heat-sensitive Affect colors or pigments. These can be used in all possible combinations.
  • phosphorescent pigments can also be used alone or in combination with other dyes and / or pigments.
  • soluble and non-soluble dyes or pigments can be used especially for coloring magnetic pigments.
  • a brown magnetic paint can be metallic in color by adding metals, e.g. silvery.
  • Insulator layers can also be applied, for example.
  • Organic substances and their derivatives and compounds for example dyeing and lacquer systems, e.g. Epoxy, polyester, rosin, acrylate, alkyd, melamine, PVA, PVC, isocyanate, urethane systems, which can be radiation-curing, for example by heat or UV radiation, are suitable.
  • These layers can be applied by known methods, for example by vapor deposition, sputtering, printing (for example gravure, flexographic, screen, digital printing and the like), spraying, electroplating, roller application methods and the like.
  • the thickness of the functional layer is 0.001 to 50 ⁇ m, preferably 0.1 to 20 ⁇ m.
  • the layers can already be present or applied to the substrate over the entire surface or partially.
  • the process steps can be repeated any number of times, for example, if a functional layer is applied over the entire surface, the application of paint can possibly be omitted.
  • Direct metallization processes or in metalization processes with etching partial metal layers or in known multicolor printing processes further layers are applied.
  • the coated film produced in this way can also be protected by a protective lacquer layer or further refined, for example, by lamination or the like.
  • the product may be applied with a sealable adhesive, for example a hot or cold-seal adhesive on the corresponding carrier material or, for example in papermaking for security papers by conventional "method in the paper embedded.
  • a sealable adhesive for example a hot or cold-seal adhesive on the corresponding carrier material or, for example in papermaking for security papers by conventional "method in the paper embedded.
  • These sealing adhesives can be equipped with visible or UV-visible, fluorescent, phosphorescent or laser and IR radiation absorbing features to increase the security against forgery.
  • These features can also be present in the form of patterns or characters or show color effects, in principle any number of colors, preferably 1 to 10 colors or color mixtures, are possible.
  • the carrier substrate can be removed after use or can remain on the product.
  • the carrier film can optionally be specially equipped on the non-coated side, for example scratch-resistant, antistatic and the like. The same applies to any paint layer on the carrier substrate.
  • the layer structure can be set to be transferable or non-transferable, optionally provided with a transfer lacquer layer, which can optionally have a diffraction structure, for example a hologram structure.
  • the structure according to the invention can also be applied inversely to the carrier material, a layer formed from metallic clusters on a carrier substrate, which is produced by means of a vacuum technology process or from solvent-based systems and subsequently one or more partial and / or full-area polymer layers of defined thickness are applied and then a partial or full-surface layer reflecting electromagnetic waves is applied to the spacer layer.
  • 1 means the carrier substrate, 2 the first layer reflecting the electromagnetic waves, 3 the transparent layer, 4 the metallic layer Clustered layer, 5 an optically transparent substrate, 6 an adhesive or laminating layer.
  • FIG. 1 shows a schematic cross-sectional view of a first permanently visible marking on a carrier substrate
  • FIG. 2 shows a schematic cross-sectional view of a first marking, which is not always visible, on a carrier substrate and a second carrier substrate suitable for detection or visualization,
  • FIG. 3 shows a schematic cross-sectional view of a permanently visible first laminatable or adhesive mark
  • Fig. 4 is a schematic cross-sectional view of a further permanently visible second laminatable or adhesive mark.
  • FIG. 5 shows a schematic cross-sectional view of a non-permanently visible first laminatable or adhesive mark and a second carrier substrate suitable for detection or visualization.
  • Fig. 6 is a large-scale anti-counterfeit marked carrier substrate, which is partially wound on rolls
  • a first layer reflecting electromagnetic waves is denoted by (2). It can be a thin layer of e.g. Trade aluminum. However, the first layer (2) can also be a layer formed from metallic clusters, which is applied to a carrier (1).
  • the carrier (1) can be the carrier substrate to be marked.
  • the inert spacer layer is designated by (3).
  • the metallic clusters (4) are expediently e.g. made of copper.
  • the adhesive or laminating layer provided for further processing of the counterfeit-proof marked carrier substrate is identified by (6).
  • the change in the reflected light compared to the incident light that produces the characteristic color spectrum is visualized in an arrow in these two figures by means of the grayscale curve.
  • a third layer (4) made of metallic clusters is applied to the second layer (3).
  • the second layer (3) is applied to a mirror layer (2). 1 and 3, the mirror layer is also applied to a carrier substrate (1).
  • the third layer (4) formed from metallic clusters, then the second layer (3), then the mirror layer (2) and finally the adhesive or laminating layer (6) are applied to a carrier substrate (1).
  • the carrier substrate (5) is expediently made of a transparent material, e.g. made of plastic such as polyethylene terephthalate, polycarbonate, polyurethane, polyethylene, polypropylene, polyacrylate, polyvinyl chloride, polyepoxide.
  • a light source such as a light bulb, a laser, a fluorescent tube, a halogen lamp, in particular a xenon lamp
  • this light is applied to the first layer (1) reflected.
  • An interaction of the reflected light with the third layer (4) formed from the metallic clusters absorbs part of the incident light.
  • the reflected light has a characteristic spectrum which is dependent on several parameters, such as the optical constants of the layer structure.
  • the marking appears in color. The coloring serves as proof against forgery for the authenticity of the marking.
  • the color impression obtained in this way is dependent on the angle and can be preferably both with the naked eye and with a reader operating in reflection mode
  • Spectrophotometer can be identified.
  • a photometer can, for example, detect the color of the surfaces from two different angles. This is done either by means of a detector in that two light sources are used, which are switched on accordingly and the detector is tilted accordingly, or in that two photometers measure the sample illuminated from two different angles from the two corresponding angles.
  • coated carrier materials produced according to the invention can be used as security features in data carriers, value documents, labels, labels, seals, in packaging, textiles and the like.
  • the sol (almost pH neutral, hardly any salt) is buffered by adding 5 ml of 1M sodium carbonate solution (pH 9.6). Only sufficiently protected clusters remain in solution and do not precipitate.
  • the sol can be concentrated by centrifugation or binds directly to the surface coated with nitrocellulose after application. With a suitable choice of After drying off the excess water, nitrocellulose layer thickness forms strong surface colorations.
  • Sputtering is carried out by means of a magnetron plasma source with an output of 20W / cm 2 at 25 ° C using Ar with a partial pressure of 5 x 10 "3 mbar as the process gas.
  • the speed of the web is 0.5m / s.
  • the Cu layer shows pronounced island growth, the islands with an average diameter of a few nm correspond to the clusters in the wet chemical process, and clearly different characteristic color spectra are observed.

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  • Business, Economics & Management (AREA)
  • Finance (AREA)
  • Accounting & Taxation (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Laminated Bodies (AREA)
  • Credit Cards Or The Like (AREA)
  • Physical Vapour Deposition (AREA)
  • Printing Methods (AREA)

Abstract

L'invention se rapporte à un procédé de production de caractéristiques d'identification infalsifiables ainsi qu'aux caractéristiques d'identification infalsifiables produites au moyen dudit procédé. Lesdites caractéristiques d'identification comprennent respectivement au moins une couche (2) destinée à réfléchir les ondes électromagnétiques, une couche d'espacement (3) ainsi qu'une couche constituée d'agglomérats métalliques (4). Le procédé selon l'invention consiste à appliquer sur un substrat support (1) une couche partielle ou totale destinée à réfléchir les ondes électromagnétiques, puis une ou plusieurs couches polymères (3) partielles ou totales présentant une épaisseur définie, une couche d'agglomérats métalliques produite au moyen d'un procédé de dépôt sous vide ou à l'aide de systèmes fondés sur des solvants étant ensuite appliquée sur cette/ces couche(s) d'espacement (3).
EP03784094.9A 2002-08-06 2003-07-28 Procede de production de caracteristiques d'identification infalsifiables Expired - Lifetime EP1558449B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT0119102A AT413360B (de) 2002-08-06 2002-08-06 Verfahren zur herstellung von fälschungssicheren identifikationsmerkmalen
AT11912002 2002-08-06
PCT/EP2003/008327 WO2004014663A1 (fr) 2002-08-06 2003-07-28 Procede de production de caracteristiques d'identification infalsifiables

Publications (2)

Publication Number Publication Date
EP1558449A1 true EP1558449A1 (fr) 2005-08-03
EP1558449B1 EP1558449B1 (fr) 2016-01-06

Family

ID=31499787

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03784094.9A Expired - Lifetime EP1558449B1 (fr) 2002-08-06 2003-07-28 Procede de production de caracteristiques d'identification infalsifiables

Country Status (9)

Country Link
US (1) US8067056B2 (fr)
EP (1) EP1558449B1 (fr)
AT (1) AT413360B (fr)
AU (1) AU2003253348A1 (fr)
CA (1) CA2494961C (fr)
ES (1) ES2564043T3 (fr)
HU (1) HUE027104T2 (fr)
RU (1) RU2297918C2 (fr)
WO (1) WO2004014663A1 (fr)

Cited By (5)

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EP2127899A1 (fr) 2008-05-15 2009-12-02 Hueck Folien Ges.m.b.H. Elément de sécurité tactile
WO2011147520A1 (fr) 2010-05-26 2011-12-01 Hueck Folien Ges.M.B.H. Élément de sécurité à structures de guidage de lumière
EP2420391A2 (fr) 2010-07-19 2012-02-22 Hueck Folien Ges.m.b.H. Elément de sécurité doté d'une couche optiquement variable
EP2578414A1 (fr) 2011-10-04 2013-04-10 Hueck Folien Ges.m.b.H. Elément de sécurité ayant un effet de bascule colorée, son procédé de fabrication et son utilisation
WO2021185729A1 (fr) 2020-03-16 2021-09-23 Hueck Folien Gesellschaft M.B.H. Élément de sécurité plat présentant des caractéristiques de sécurité optique

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AT503714A2 (de) * 2005-12-13 2007-12-15 Hueck Folien Ges Mbh Sicherheitselemente und sicherheitsmerkmale mit metallisch erscheinenden farbeffekten
US8070186B2 (en) * 2006-05-31 2011-12-06 Cabot Corporation Printable reflective features formed from multiple inks and processes for making them
DE102006027263A1 (de) * 2006-06-09 2007-12-13 Identif Gmbh Substrat mit Schichtabfolge zur Erzeugung eines in Abhängigkeit des Blickwinkels sich ändernden Farbeindrucks
AT505452A1 (de) * 2007-04-16 2009-01-15 Hueck Folien Gmbh Fälschungssicheres identifikationsmerkmal
DE102007030017A1 (de) * 2007-06-29 2009-01-08 Matthias Lydike Kennzeichnen von Textilien
DE102007061979A1 (de) 2007-12-21 2009-06-25 Giesecke & Devrient Gmbh Sicherheitselement
CA2719793C (fr) 2008-04-02 2014-10-07 Sicpa Holding Sa Identification et authentification par utilisation de marquages en un materiau cristal liquide
EP2159071B2 (fr) 2008-08-25 2022-01-12 Hueck Folien Ges.m.b.H. Elément de sécurité pouvant être vérifié sans moyen d'aide
CN101730417B (zh) * 2008-10-31 2013-06-05 深圳富泰宏精密工业有限公司 壳体及其制作方法
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ES2564043T3 (es) 2016-03-17
EP1558449B1 (fr) 2016-01-06
HUE027104T2 (en) 2016-08-29
AU2003253348A1 (en) 2004-02-25
US20060147640A1 (en) 2006-07-06
AT413360B (de) 2006-02-15
CA2494961A1 (fr) 2004-02-19
ATA11912002A (de) 2005-07-15
AU2003253348A8 (en) 2004-02-25
US8067056B2 (en) 2011-11-29
RU2297918C2 (ru) 2007-04-27
WO2004014663A1 (fr) 2004-02-19
CA2494961C (fr) 2012-06-26
RU2005106243A (ru) 2005-08-27

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