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EP1377461B1 - Procede pour marquer de fa on infalsifiable des objets, et marquage infalsifiable - Google Patents

Procede pour marquer de fa on infalsifiable des objets, et marquage infalsifiable Download PDF

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Publication number
EP1377461B1
EP1377461B1 EP01971633A EP01971633A EP1377461B1 EP 1377461 B1 EP1377461 B1 EP 1377461B1 EP 01971633 A EP01971633 A EP 01971633A EP 01971633 A EP01971633 A EP 01971633A EP 1377461 B1 EP1377461 B1 EP 1377461B1
Authority
EP
European Patent Office
Prior art keywords
layer
forgery
electromagnetic waves
proof
label
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.)
Expired - Lifetime
Application number
EP01971633A
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German (de)
English (en)
Other versions
EP1377461B2 (fr
EP1377461A2 (fr
Inventor
Georg Bauer
Jörg HASSMANN
Harald Walter
Wolf Bertling
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
November AG Novus Medicatus Bertling Gesellschaft fuer Molekular Medizin
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
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Application filed by November AG Novus Medicatus Bertling Gesellschaft fuer Molekular Medizin filed Critical November AG Novus Medicatus Bertling Gesellschaft fuer Molekular Medizin
Publication of EP1377461A2 publication Critical patent/EP1377461A2/fr
Publication of EP1377461B1 publication Critical patent/EP1377461B1/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
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—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—
    • B42D2035/24—

Definitions

  • the invention relates to a method for counterfeit-proof Marking of objects, such as bank cards, banknotes, Packaging and the like. It also relates to a tamper-proof Mark.
  • an optochemical sensor is known. It is a chemically reactive on a metal layer Applied to a layer to be detected in contact with a Substance-containing solution changes its volume. On the chemically reactive layer is one of metallic clusters applied layer formed. By binding the to be proved Stoffs changes the distance between the from the Metallic clusters formed layer and the metal layer. At the same time, the absorption of on changes the light emitted by the sensor. The presence of the detected Stoffs causes a color change of the sensor.
  • the known sensor is not suitable for forgery-proof Marking of objects. A color change only occurs an application of the liquid phase to the sensor on. In contact with moisture or liquids it can also come to a reaction which triggers a color signal or changed.
  • the object of the invention is a method for marking of objects as well as to provide a marking which in a simple and cost effective way a high security against counterfeiting Offer.
  • the further procedural solution allows for easy and cost-effective way of marking an invisible one Object.
  • the marking is particularly forgery-proof. It can be obtained by contacting it with the coating coated according to the invention Substrate be made visible.
  • the second layer is expediently in both methods structured applied.
  • structuring it can a structure in the surface in the manner of a pattern or a drawing. It can also be about act a relief-like structure. In this case appears the mark in different colors.
  • the fourth layer serves primarily the protection of the covered layers.
  • the substrate may be made of electromagnetic waves permeable material, preferably of glass or plastic be prepared.
  • first molecules applied to the second layer or to provided second molecules are affine. It can as molecules polymers, silanes or structurally related compounds be used. It is e.g. also conceivable, complementary Use polynucleotide sequences, such as DNA, as molecules.
  • the function of the first and second molecules exists essentially therein, the substrate in a fixed predetermined Distance to adhere to the mark.
  • the metallic clusters can e.g. made of silver, gold, platinum, Aluminum, copper, tin or indium are produced.
  • the second and / or fourth layer may be one of the following Materials are manufactured: metal oxide, metal nitrite, Metal carbide, in particular of silicon oxide, carbide, nitrite, tin oxide, nitrite, alumina, nitrite or polymer, in particular polycarbonate (PC), polyethylene (PE), polypropylene (PP), polyurethane (PU), polyimide (PI), polystyrene (PS) or polymethacrylate (PMA). These materials are chemical essentially inert. They are insensitive to moisture.
  • the function of the second layer is essentially in it, a predetermined distance to the third layer and / or permanently provide a predetermined structure.
  • a dye forming the mark visible becomes.
  • the coloring depends on the viewing angle and characteristic.
  • the first layer by means of a Device for generating electromagnetic waves, preferably by means of LASER, fluorescent lamp, LED or xenon lamp, to be irradiated.
  • the marker can with a device for determining the optical properties the electromagnetic reflected from the first layer Waves are identified. It can with the device for Determination of the optical properties of the absorption, preferably measured at different observation angles become. Such a determination of the optical properties allows a high security against counterfeiting.
  • the layers at least partially by means of thin-film technology is / are made.
  • vacuum coating technologies are used and the like. Into consideration.
  • At least one of the layers of anisotropic material Refractive index is made.
  • the second layer of an anisotropic refractive index material produced may be e.g. to act liquid crystal polymers, which under both Observation angles, i. Angles to the z-axis, as well as at different angles of rotation, i. angles in the x-y plane, show a characteristic coloring.
  • At least one the layers are made of a material whose optical Properties targeted after applying the layer can be changed.
  • the material may be e.g. to be a photosensitive polymer whose refractive index is changeable by irradiation with a suitable wavelength.
  • a forgery-proof marking is provided for items such as check cards, banknotes and the like, provided, being on an electromagnetic associated with the object Waves reflective first layer one for Electromagnetic waves permeable, inert second layer is applied with a predetermined thickness, and wherein a third layer formed by metallic clusters on the second layer is applied.
  • Such a mark is permanently visible; she is very tamper-proof.
  • a tamper-proof Marking for items such as check cards, banknotes and the like.
  • electromagnetic waves reflective first Layer a permeable to electromagnetic waves, inert second layer applied with a predetermined thickness is. - Such a mark is invisible.
  • a third layer formed of metallic clusters is applied on a substrate so that they Visualization of the marking at a predetermined distance can be arranged to the first layer.
  • the first layer can be be formed by the object itself.
  • the second layer 3 has a structure on.
  • the structure is here in the form of a relief, which e.g. designed in the manner of a bar code.
  • the Dikke the second layer is preferably between 20 and 1000 nm. It is applied by means of thin-film technology. For this purpose, e.g. Vacuum coating process.
  • the fourth Layer 5 protects the underlying layers from damage.
  • the fourth layer 5 may as well as the second Layer 3 of a chemically inert and optically transparent Material, e.g. a metal oxide, nitrite, carbide or Be prepared polymer.
  • the markings shown in Figs. 3 and 4 are only then visible when brought into contact with a substrate 6 on whose surface those from metallic clusters formed third layer 4 is applied.
  • the third Layer 4 may be formed with one of first molecules be superimposed fifth layer 7.
  • the fifth layer is 7 expediently formed from molecules which are added to the material are affine from which the second layer 3 made is. In a contact of the fifth layer 7 with the second Layer 3 thus comes to a specific adhesion. It can also be that the second layer 3 with another Fifth layer 7 is covered.
  • the Fifth layers 7 are each formed of molecules that are related to each other have an affinity. It can be biopolymers act, which are complementary to each other.
  • the fifth layer 7 can also be made of other polymers, silanes and / or structurally related compounds be.
  • the substrate 6 is made of a transparent material, e.g. out Glass or plastic, made.
  • a mark shown in Figs. 1 and 2 becomes this light the first layer 1 reflected.
  • a light source such as a LASER
  • a fluorescent tube or a xenon lamp a mark shown in Figs. 1 and 2 becomes this light the first layer 1 reflected.
  • the reflected light has a characteristic spectrum.
  • the mark appears coloured.
  • the dependent on the irradiation or observation angle Coloring serves as a forgery proof for the Authenticity of the mark.
  • the mark shown in Figs. 3 and 4 is merely the optically transparent formed second layer 3 on the electromagnetically reflective first layer 1 applied.
  • the second layer 3 can be made of chemically inert materials, such as silicon oxide, carbide, nitrite, tin oxide or nitrite or of aluminum oxide or nitrite. The mark is not visible at first.
  • optically transparent substrate 6 When applying the provided with the third layer 4 optically transparent substrate 6 may interact between the light reflected at the first layer 1 and the third layer. In turn, it creates one Color effect by, preferably made of glass Substrate 6, is observable.
  • the third Layer 4 to be covered with a fifth layer 7.
  • the substrate 6 At the Contact of the fifth layer 7 with the second layer 3 adheres the substrate 6 at the mark. It turns a given Distance between the third layer 4 and the first Layer 1 on.
  • FIG. 5 of a marking according to FIG. 1 were measured by means of a UV / VIS spectrometer Lambda 25 of Perkin Elmer measured using a reflective insert. From Fig. 5 it can be seen that the longer wavelength peak with increasing viewing angle to shorter wavelengths shifts. Furthermore, a fixed peak is observed which is due to the silver clusters.
  • Fig. 6 is a quantitative evaluation of the spectra according to Fig. 5 each shown at two different wavelengths. At the considered wavelengths is dependent on the Observation angle observed a change in absorption. The Absorption pattern is characteristic of the authenticity of the Mark.

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  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Credit Cards Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Peptides Or Proteins (AREA)

Claims (32)

  1. Procédé pour le marquage infalsifiable d'objets tels que cartes bancaires, billets de banque, emballages et objets similaires,
    a) une deuxième couche (3) inerte assurant la transmission d'ondes électromagnétiques d'une épaisseur définie étant appliquée sur une première couche (1) réfléchissant des ondes électromagnétiques,
    b) une troisième couche (4) formée de clusters métalliques étant appliquée sur la deuxième couche (3) et
    c) la première couche (1) du marquage obtenu de cette manière étant reliée à l'objet.
  2. Procédé pour le marquage infalsifiable d'objets tels que cartes bancaires, billets de banque, emballages et objets similaires,
    a) une deuxième couche (3) inerte assurant la transmission d'ondes électromagnétiques d'une épaisseur définie étant appliquée sur une première couche (1) réfléchissant des ondes électromagnétiques,
    b) la première couche (1) du marquage obtenu de cette manière étant reliée à l'objet et
    c) une troisième couche (4) formée de clusters métalliques étant appliquée sur un substrat (6) de telle façon qu'elle puisse être disposée à un intervalle défini par rapport à la première couche (1) pour la visualisation du marquage.
  3. Procédé selon l'une des revendications précédentes, au moins une des couches (3, 4, 5) étant appliquée de manière structurée.
  4. Procédé selon l'une des revendications précédentes, une quatrième couche (5) inerte assurant la transmission d'ondes électromagnétiques étant appliquée sur la troisième couche (4) .
  5. Procédé selon l'une des revendications 2 à 4, le substrat (6) étant fabriqué en un matériau assurant la transmission d'ondes électromagnétiques, de préférence en verre ou en matière plastique.
  6. Procédé selon l'une des revendications 2 à 5, des premières molécules (7) étant appliquées sur la troisième (4) ou la quatrième couche (5), lesquelles sont affines à la deuxième couche (3) ou aux deuxièmes molécules qui y sont destinées.
  7. Procédé selon la revendication 6, des polymères, silanes ou des combinaisons de structure apparentée étant utilisés en tant que molécules (7).
  8. Procédé selon l'une des revendications précédentes, les clusters métalliques étant en argent, or, platine, aluminium, cuivre, étain ou indium.
  9. Procédé selon l'une des revendications précédentes, la deuxième (3) et/ou la quatrième couche (5) étant fabriquée(s) dans l'un des matériaux suivants : oxyde métallique, nitrite métallique, carbure métallique, en particulier en oxyde de silicium, carbure de silicium, nitrite de silicium, oxyde d'étain, nitrite d'étain, oxyde d'aluminium, nitrite d'aluminium ou polymère, en particulier polycarbonate (PC), polyéthylène (PE), polypropylène (PP), polyuréthane (PU), polyimide (PI), polystyrène (PS) ou polyméthacrylate (PMA).
  10. Procédé selon l'une des revendications précédentes, une coloration constituant le marquage étant visible à un intervalle inférieur à 2 µm entre la première (1) et la troisième couche (4).
  11. Procédé selon l'une des revendications précédentes, le marquage étant irradié à l'aide d'un dispositif pour la génération d'ondes électromagnétiques, de préférence au moyen de LASER, tube fluorescent, diode électroluminescente ou lampe à xénon.
  12. Procédé selon l'une des revendications précédentes, le marquage étant identifié avec un dispositif pour la détermination de propriétés optiques des ondes électromagnétiques réfléchies par la première couche (1), de préférence sous différents angles d'observation.
  13. Procédé selon l'une des revendications précédentes, l'absorption étant mesurée avec le dispositif pour la détermination des propriétés optiques.
  14. Procédé selon l'une des revendications précédentes, les couches (1, 3, 4, 5) étant obtenues tout au moins partiellement au moyen de la technologie couche mince.
  15. Procédé selon l'une des revendications précédentes, au moins une des couches (3, 4, 5) présentant un indice de réfraction anisotrope.
  16. Procédé selon l'une des revendications précédentes, au moins une des couches étant fabriquée en une matière dont les propriétés optiques sont modifiables après application de la couche.
  17. Procédé selon l'une des revendications 1 ou 3 à 16, la première couche (1) constituant la surface de l'objet qui doit être marqué.
  18. Marquage infalsifiable pour des objets tels que cartes bancaires, billets de banque et objets similaires, une deuxième couche (3) inerte assurant la transmission d'ondes électromagnétiques d'une épaisseur définie étant appliquée sur une première couche (1) reliée à l'objet et réfléchissant des ondes électromagnétiques et une troisième couche (4) constituée de clusters métalliques étant appliquée sur la deuxième couche (3).
  19. Marquage infalsifiable pour des objets tels que cartes bancaires, billets de banque et objets similaires, une deuxième couche (3) inerte assurant la transmission d'ondes électromagnétiques d'une épaisseur définie étant appliquée sur une première couche (1) reliée à l'objet et réfléchissant des ondes électromagnétiques et une troisième couche (4) constituée de clusters métalliques étant appliquée sur un substrat (6) de telle façon qu'elle puisse être disposée à un intervalle défini par rapport à la première couche (1) pour la visualisation du marquage.
  20. Marquage infalsifiable selon l'une des revendications 18 ou 19, au moins une des couches (1, 3, 4, 5) présentant une structure.
  21. Marquage infalsifiable selon l'une des revendications 18 à 20, une quatrième couche (5) inerte assurant la transmission d'ondes électromagnétiques et recouvrant la troisième couche (4) étant prévue.
  22. Marquage infalsifiable selon l'une des revendications 19 à 21, le substrat (6) étant en un matériau assurant la transmission d'ondes électromagnétiques, de préférence en verre ou en matière plastique.
  23. Marquage infalsifiable selon l'une des revendications 19 à 22, des premières molécules (7) étant appliquées sur la troisième (4) ou la quatrième couche (5), lesquelles sont affines à la deuxième couche (3) ou aux deuxièmes molécules qui y sont destinées.
  24. Marquage infalsifiable selon la revendication 23, les molécules (7) étant en polymères, silanes ou des combinaisons de structure apparentée.
  25. Marquage infalsifiable selon l'une des revendications 18 à 24, les clusters métalliques étant en argent, or, platine, aluminium, cuivre, étain ou indium.
  26. Marquage infalsifiable selon l'une des revendications 18 à 25, la deuxième (3) et/ou la quatrième couche (5) étant fabriquée(s) dans l'un des matériaux suivants : oxyde métallique, nitrite métallique, carbure métallique, en particulier en oxyde de silicium, carbure de silicium, nitrite de silicium, oxyde d'étain, nitrite d'étain, oxyde d'aluminium, nitrite d'aluminium ou polymère, en particulier polycarbonate (PC), polyéthylène (PE), polypropylène (PP), polyuréthane (PU), polyimide (PI), polystyrène (PS) ou polyméthacrylate (PMA).
  27. Marquage infalsifiable selon l'une des revendications 18 à 26, une coloration d'identification non équivoque étant décelable à un intervalle de moins de 2 µm entre la première (1) et la troisième couche (4).
  28. Marquage infalsifiable selon l'une des revendications 18 à 27, un dispositif pour la génération d'ondes électromagnétiques, de préférence un LASER, un tube fluorescent, une diode électroluminescente ou une lampe à xénon, étant destiné à l'irradiation du marquage.
  29. Marquage infalsifiable selon l'une des revendications 18 à 28, un dispositif pour la détermination des propriétés optiques des ondes électromagnétiques réfléchies par la première couche (1) étant destiné à l'identification du marquage.
  30. Marquage infalsifiable selon l'une des revendications 18 à 29, l'absorption étant mesurable avec le dispositif pour la détermination des propriétés optiques, de préférence sous différents angles d'observation.
  31. Marquage infalsifiable selon l'une des revendications 18 à 30, les couches (1, 3, 4, 5) étant fabriquées au moyen de la technologie couche mince.
  32. Marquage infalsifiable selon l'une des revendications 18 ou 20 à 31, la première couche (1) constituant une surface de l'objet qui doit être marqué.
EP01971633A 2000-08-29 2001-08-16 Procede pour marquer de facon infalsifiable des objets, et marquage infalsifiable Expired - Lifetime EP1377461B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10042461 2000-08-29
DE10042461A DE10042461C2 (de) 2000-08-29 2000-08-29 Verfahren zur fälschungssicheren Markierung von Gegenständen und fälschungssichere Markierung
PCT/DE2001/003205 WO2002018155A2 (fr) 2000-08-29 2001-08-16 Procede pour marquer de façon infalsifiable des objets, et marquage infalsifiable

Publications (3)

Publication Number Publication Date
EP1377461A2 EP1377461A2 (fr) 2004-01-07
EP1377461B1 true EP1377461B1 (fr) 2005-03-09
EP1377461B2 EP1377461B2 (fr) 2013-01-16

Family

ID=7654219

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01971633A Expired - Lifetime EP1377461B2 (fr) 2000-08-29 2001-08-16 Procede pour marquer de facon infalsifiable des objets, et marquage infalsifiable

Country Status (9)

Country Link
US (1) US7396557B2 (fr)
EP (1) EP1377461B2 (fr)
JP (1) JP4049215B2 (fr)
AT (1) ATE290473T1 (fr)
AU (1) AU2001291610A1 (fr)
CA (1) CA2419846C (fr)
DE (2) DE10042461C2 (fr)
ES (1) ES2213502T1 (fr)
WO (1) WO2002018155A2 (fr)

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DE10042461A1 (de) 2002-03-14
WO2002018155A3 (fr) 2003-10-16
WO2002018155A2 (fr) 2002-03-07
AU2001291610A1 (en) 2002-03-13
ATE290473T1 (de) 2005-03-15
EP1377461B2 (fr) 2013-01-16
ES2213502T1 (es) 2004-09-01
DE10042461C2 (de) 2002-11-07
JP4049215B2 (ja) 2008-02-20
US7396557B2 (en) 2008-07-08
CA2419846A1 (fr) 2002-03-07
DE50105575D1 (de) 2005-04-14
US20040026917A1 (en) 2004-02-12
EP1377461A2 (fr) 2004-01-07
JP2004507790A (ja) 2004-03-11
CA2419846C (fr) 2009-08-18

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