EP2996881B1 - Élément de sécurité, procédé de fabrication, support de données équipé de cet élément de sécurité et procédé de contrôle d'authenticité - Google Patents

Élément de sécurité, procédé de fabrication, support de données équipé de cet élément de sécurité et procédé de contrôle d'authenticité Download PDF

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Publication number
EP2996881B1
EP2996881B1 EP14724313.3A EP14724313A EP2996881B1 EP 2996881 B1 EP2996881 B1 EP 2996881B1 EP 14724313 A EP14724313 A EP 14724313A EP 2996881 B1 EP2996881 B1 EP 2996881B1
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EP
European Patent Office
Prior art keywords
color
light
visible
color layer
security element
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Active
Application number
EP14724313.3A
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German (de)
English (en)
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EP2996881A1 (fr
Inventor
Klaus Habik
Daniela Otto
Diana SAFADI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giesecke and Devrient Currency Technology GmbH
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Giesecke and Devrient GmbH
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Priority to PL14724313T priority Critical patent/PL2996881T3/pl
Publication of EP2996881A1 publication Critical patent/EP2996881A1/fr
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Publication of EP2996881B1 publication Critical patent/EP2996881B1/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
    • 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
    • B42D25/355—Security threads
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • G07D7/128—Viewing devices
    • B42D2035/20—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/378—Special inks
    • B42D25/387—Special inks absorbing or reflecting ultraviolet light

Definitions

  • the invention relates to a security element for data carriers, in particular for value documents, identity documents and the like.
  • the invention further relates to a data carrier equipped with the security element, to a method for checking the authenticity of the data carrier and to a method for producing the security element.
  • luminescent security elements For protection against counterfeiting, especially with color copiers or other reproduction methods, data carriers such as banknotes, securities, credit cards, identity documents, passports, certificates and the like, labels, packaging or other elements for product protection are provided with luminescent security elements. These include fluorescent fibers or planchettes (small colored discs), which are mixed as a security feature in paper production under the paper pulp. In addition, fluorescent security threads made of plastic, metal or other material are used, which are completely or partially embedded in the paper during paper production. Also known is the use of fluorescent imprints that are invisible or colorless in normal light, but fluorescent under UV light. Fluorescence is generally understood to mean a transient emission of light that ends within 10 -8 seconds. Instead of fluorescent inks and phosphorescent or photochromic inks are used.
  • the luminous effect lasts for phosphorescent materials after the end of the irradiation, depending on the material from 10 -8 seconds to several seconds or hours.
  • Photochromic ink changes color upon excitation with UV light. If the UV light source is removed, the color change takes for some time before the color returns to its original state.
  • a special case of a photochromic printing ink is the iridescent photochromic printing ink. Iridescent or pearlescent colors contain transparent pigments consisting of tiny foil-covered tiny mica flakes. They cause an interference of the incoming light. This results in shiny, pearl-like shimmering effects with a change in color at different viewing angles or lighting angles.
  • a luminescent security element for securing banknotes comprising two or more areas, each area containing a material or combination of materials, the two or more areas showing different visible colors under first viewing conditions, including visible light; Substantially the same visible colors under second viewing conditions, the second viewing conditions comprising a combination of visible light and UV light (see claim 2 of the EP 1 567 358 B1 ).
  • the present invention has the object, a security element of the aforementioned To provide a type that offers an increased level of security against counterfeiting and at the same time can be easily checked for authenticity.
  • a data carrier with such a security element and a method for producing such a security element should be provided.
  • ultraviolet light refers particularly to light having a wavelength in a range of 235 to 380 nm.
  • daylight color is understood to mean a color based on light in a wavelength range from 380 nm to 750 nm.
  • the synonyms body color and color are also used below.
  • the term "motif” is to be understood in particular as a pattern or a picture.
  • the subject can also provide the viewer with information convey, for example, by having a character, a string or an image information.
  • planar figure is known in the art (see “ Mathematical Formulary ", Konrad Wittwer KG, Stuttgart, 1984, pages 12-15 ).
  • polygon refers in particular to an n-corner with n ⁇ 3.
  • microscopic is not to be understood as meaning “micrometer-sized” or the like, but is merely to be understood as relative.
  • the microscopic individual elements (which are also referred to below simply as “microelements”) are in each case perceptible to the viewer with the naked eye, ie without the use of optical aids, and are composed in an overall image, ie a macroscopic motif.
  • the invention is based on the idea of achieving a dynamic effect in a micro / macro image by the interaction of luminous colors or luminescent inks, in particular fluorescent inks, and body colors or colored inks by means of a suitable design.
  • the dynamic effect is based on a light-dark interaction of a repeating microelement structure contained in the macroscopic motif and can, in particular, during oscillating (ie by a periodic "back and forth") of the transition of (1) the illumination of the security element with (2) a UV light / daylight lighting situation in approximately the 1: 1 ratio to (3) a substantially pure UV lighting situation can be observed.
  • the thus created play of light of the microscopic individual elements causes a dynamic in the macroscopic motif.
  • Decisive for the dynamic effect is the periodic change of the distance between the UV light source and the security element.
  • the percentage ratio of daylight / UV light changes in particular in a range of 70/30 to 30/70. Since the human eye regards the brighter image components of a motif as superficial or dominant, the dynamic motion effect when changing the brightness of motif elements located close to one another, eg lines, points or circles, is particularly impressive.
  • the change in brightness is produced by the change in the distance between the UV light source and the security element, whereby the illuminance of, for example, a fluorescent color increases quadratically in the course of the shortening of the distance. In this way, at a greater distance the brighter daylight color becomes dominant, at a smaller distance the fluorescent color, which otherwise appears darker in daylight.
  • the dynamic motion effect unfolds depending on the choice and arrangement of the microelements e.g. in the form of an optical illusion-induced rotational effect (i.e., the motion of a rotating wheel) or in the form of a "pumping action" otherwise known in holograms (i.e., the periodically changing three-dimensional appearance of a subject) or the like.
  • a rotational effect can be e.g. by bringing together the microelements so that together they form a pattern with rotational symmetry, in particular a pattern with rotational symmetry and mirror symmetry.
  • the joining of the microelements can take place without gaps or with spacing. For example, white areas or unprinted areas may be present between the individual microelements.
  • fluorescent pigments and fluorescent dyes in particular organic colorants
  • the optical effect of which is based on their ability to absorb UV radiation and in the form of visible light without delay, ie with volatility, within 10 -8 Seconds ending light emission, to send out.
  • Phosphorescent materials are less preferred, but can be used provided that the duration of the afterglow does not affect the detectability of the dynamic motion effect.
  • the security element according to the invention can be excitable in particular at two or more wavelengths and then show different fluorescent shades as a function of the wavelength.
  • Fig. 10 illustrates the construction of a security element in a cross-sectional view.
  • the illustrated security element does not fall within the scope of the present claims, but the embodiment shown is mentioned for a better understanding of the present invention.
  • the present invention is based on the principle of a dynamic color change game, which is obtained by combining a daylight color with a luminescent color. These basics are based on the FIGS. 1 to 15 described.
  • the yellow fluorescent color of the color layer 3 is invisible when viewed in daylight alone and appears yellow when viewed in UV light.
  • FIGS. 1 to 3 show the structure of the printing plates for the production of in Fig. 10 shown security elements in plan view.
  • Fig. 1 shown printing form is provided for the production of the color layer 1 in dark blue daylight color.
  • Fig. 2 shows the printing plate for the production of the color layer 2 in light green daylight color.
  • Fig. 3 shows the printing plate for the production of the color layer 3 in yellow fluorescent color.
  • Fig. 4 illustrates the construction of the compression, by the in the FIGS. 1 to 3 shown printing forms is available.
  • the compression has an outer, rectangular border 4 and an inner region 5.
  • the ink of the rectangular border 4 is exclusively on the in Fig. 1 shown printing form back.
  • the inner region 5 contains one through the pressure forms of Fig. 1 and the Fig. 2 generated background pressure and several, by means of the printing plate of the Fig. 3 overprinted areas.
  • Fig. 5 shows the security element of Fig. 10 in top view when viewed in pure sunlight. The viewer perceives a first information formed by vertical, light green stripes 7 and a dark blue background 6.
  • Fig. 6 shows the security element of Fig. 10 in plan view when viewed substantially in pure UV light. The viewer perceives a second information formed by vertical, yellow stripes 10 and a very dark background 9.
  • Fig. 7 shows the security element of Fig. 10 in plan view when viewed under daylight and UV light in a ratio of about 1: 1.
  • the yellow fluorescent color with the underlying dark blue daylight color mixes by additive color mixing to a green which corresponds to the daylight green of the regions 12.
  • a monochrome surface is created for the eye.
  • Fig. 11 shows the security element of Fig. 5 in the pure sunlight.
  • Reference numeral 8 designates the color layers formed with fluorescent dye which are invisible under the present viewing conditions.
  • the reference numerals 6 and 7 indicate the visible, formed with dark blue or light green daylight color layers.
  • Fig. 12 shows the security element of Fig. 6 in pure UV light.
  • Reference numeral 10 denotes the color layers formed under the present viewing conditions and formed with yellow fluorescent color.
  • Reference number 9 indicates the color layers formed with daylight color, which are invisible under the present viewing conditions.
  • Fig. 13 shows the security element of Fig. 7 when viewed under daylight / UV light in the ratio of about 1: 1.
  • Reference numeral 11 denotes the green to be recognized by the additive color mixing of the yellow fluorescent color and the dark blue daylight color.
  • the reference numeral 12 indicates the visible to the viewer, formed by daylight color green.
  • the dynamic light interplay in the course of the periodic movement of the UV light source is based on the FIGS. 8, 9 . 14 and 15 illustrated.
  • the brightness of the fluorescent dye increases, conversely, this decreases as the distance increases.
  • the brightness of the daylight colors changes inversely by reducing the amount of daylight when the object is immersed in a UV chamber or by shading by means of a UV flashlight moving above the object. In other words: reducing the distance to the UV lamp, the fluorescent color becomes lighter than the daylight color, as the distance increases, the daylight color becomes brighter than the fluorescent color.
  • FIGS. 8 Plant view and 14 (cross-sectional view) show the security element of Fig. 10 when viewed under daylight / UV light in the ratio of about 1: 2.
  • the areas with the reference number 13 are perceived by the viewer with light green color, while the areas with the reference number 14 with dark green color.
  • Figures 9 (Plan view) and 15 (cross-sectional view) show the security element of Fig. 10 when viewed under daylight / UV light in the ratio of about 2: 1.
  • the areas numbered 13 are perceived by the viewer with a dark green color, while the areas numbered 14 are perceived with a light green color.
  • Fig. 16 shows a macroscopic motif 15, in which many individual elements 16 are arranged in the form of a planar cascade.
  • a cascade is an arrangement of cascaded, similar graphical elements to understand.
  • multiple arrangement of the individual elements is by a brightness shift (ie, an inversion or reversal of the contrast) creates the impression of a movement.
  • a brightness shift ie, an inversion or reversal of the contrast
  • the direction of movement can be varied.
  • That in the Fig. 17a shown single element has three areas A, B and C in three different brightness levels.
  • the areas are generated in the present example by means of daylight color in the raster print, with each area a different area coverage is selected.
  • That in the Fig. 17a The single element shown contains three areas with an area coverage of 10%, 50% and 100% respectively.
  • the darkest area with a coverage of 100% is additionally equipped with a fluorescent paint 20 or is overprinted with fluorescent paint 20.
  • Fig. 17b shows the brightness of the areas A, B and C of the single element when viewed in daylight.
  • Fig. 17c shows the brightnesses of the areas A, B and C of the single element when viewed in lighting with a combination of daylight and UV light to substantially equal parts.
  • Fig. 17d shows the brightness of the areas A, B and C of the single element when viewed in UV light.
  • That in the Fig. 18a shown single element has four areas A, B, C and D in four different levels of brightness.
  • the areas are generated in the present example by means of daylight color in the raster print, with each area a different area coverage is selected.
  • That in the Fig. 18a The individual element shown contains four areas with an area coverage of 10%, 40%, 70% and 100%, respectively.
  • the darkest area with a coverage of 100% and the second darkest area with an area coverage of 70% is additionally equipped with a fluorescent color 21 or is overprinted with fluorescent ink 21.
  • Fig. 18b shows the brightness of the areas A, B, C and D of the single element when viewed in daylight.
  • Fig. 18c shows the brightnesses of the areas A, B, C and D of the single element when viewed in lighting with a combination of daylight and UV light to substantially equal parts.
  • Fig. 18d shows the brightnesses of the areas A, B, C and D of the single element when viewed in UV light.
  • Fig. 19a shows the brightness of the areas A, B, C and D of the single element when viewed in daylight.
  • Fig. 19b shows the brightnesses of the areas A, B, C and D of the single element when viewed in lighting with a combination of daylight and UV light to substantially equal parts.
  • Fig. 19c shows the brightnesses of the areas A, B, C and D of the single element when viewed in UV light.
  • the realization of a single element can be carried out over any form of screening of a single color or as multicolor printing of different shades of gray or hues of different brightness or also by partial overprinting of two hues.
  • the coverage ratio changes accordingly, since in this case there can be no 100% area coverage. In this case a maximum coverage of 70 to 80% is achieved.
  • the production is basically process-independent, ie it can be done for example by means of offset printing, intaglio printing, screen or flexographic printing.
  • the printing processes can be combined with one another, eg daylight color in offset, intaglio or screen printing and fluorescent ink in inkjet, screen or flexo printing.
  • Fig. 20a shows the partial overprint of different colored areas 22 and 23 of different brightness.
  • Surface 22 is blue, surface 23 light green.
  • the fluorescent color is printed in this example congruent over the blue surface 22 or can be mixed into this.
  • the brightest surface (with an area coverage or gray scale of 10%) is paper white.
  • FIG. 12 shows the superimposition pressure having the blue area 24, the dark blue area 25, the light green area 26, and the white area 27.

Claims (17)

  1. Élément de sécurité destiné à un support de données, en particulier à un document de valeur, comprenant un substrat porteur dont la face avant comporte un motif macroscopique composé d'une pluralité d'éléments distincts microscopiques, cependant que :
    les éléments distincts microscopiques comprennent respectivement trois, en particulier quatre, zones adjacentes générées par impression qui sont de telle nature que l'observateur perçoit, sous de premières conditions d'observation, à l'intérieur de chaque élément distinct, un premier contraste appelé clair-moyen-foncé, perçoit, sous de deuxièmes conditions d'observation, à l'intérieur de chaque élément distinct, une clarté essentiellement uniforme, et perçoit, sous de troisièmes conditions d'observation, à l'intérieur de chaque élément distinct, un deuxième contraste appelé clair-moyen-foncé qui, comparé avec le premier contraste clair-moyen-foncé, est inversé ; et
    les éléments distincts microscopiques offrent à l'observateur, lors d'un passage oscillant entre les premières et les troisièmes conditions d'observation, une apparence dynamique du motif macroscopique, et les premières, deuxièmes et troisièmes conditions d'observation sont définies comme suit :
    premières conditions d'observation : observation sous éclairage par lumière visible ;
    deuxièmes conditions d'observation : observation sous éclairage par une combinaison de lumière visible et de lumière ultraviolette à parts essentiellement égales ;
    troisièmes conditions d'observation : observation sous éclairage par lumière ultraviolette.
  2. Élément de sécurité selon la revendication 1, cependant que les éléments distincts microscopiques composant le motif macroscopique sont agencés sous forme d'une cascade étendue, et que, sous le terme de cascade, on entend un agencement d'éléments distincts placés les uns derrière les autres.
  3. Élément de sécurité selon la revendication 2, cependant que les éléments distincts microscopiques sont agencés, à l'intérieur de la cascade étendue, de telle manière qu'ils sont placés les uns derrière les autres de façon linéaire, rectiligne, circulaire ou ondulée.
  4. Élément de sécurité selon une des revendications 2 ou 3, cependant que la cascade étendue comprend plusieurs agencements d'éléments distincts microscopiques dans lesquels les éléments distincts microscopiques sont agencés de telle manière qu'ils sont placés les uns derrière les autres de façon respectivement linéaire, rectiligne, circulaire ou ondulée, et que les agencements des éléments distincts microscopiques sont réalisés de telle façon que les dimensions des éléments distincts microscopiques sont uniformes au sein d'un agencement, mais varient d'un agencement à l'autre et, en particulier, vont en s'accroissant ou en diminuant de manière continue dans une direction.
  5. Élément de sécurité selon une des revendications de 1 à 4, les éléments distincts microscopiques ayant une taille d'au moins 0,1 mm x 0,2 mm et d'au maximum 5 mm x 10 mm, de préférence une taille d'au moins 1 mm x 2 mm et d'au maximum 3 mm x 5 mm.
  6. Élément de sécurité selon une des revendications de 1 à 5, les éléments distincts étant constitués sous forme de figures planes, en particulier polygones, cercles, figures apparentées à des cercles ou parties de cercles.
  7. Élément de sécurité selon une des revendications de 1 à 6, les éléments distincts microscopiques comprenant respectivement trois zones adjacentes générées par impression dont exactement une zone comporte un matériau luminescent qui est invisible sous éclairage par lumière visible et qui présente une couleur visible claire sous éclairage par lumière ultraviolette.
  8. Élément de sécurité selon une des revendications de 1 à 6, les éléments distincts microscopiques comprenant respectivement quatre zones adjacentes générées par impression dont exactement deux zones comportent un matériau luminescent qui est invisible sous éclairage par lumière visible et qui présente une couleur visible claire sous éclairage par lumière ultraviolette.
  9. Élément de sécurité selon une des revendications de 1 à 7, les éléments distincts microscopiques comprenant respectivement trois zones adjacentes générées par impression dont :
    une première zone comporte une première couche d'encre d'une couleur visible foncée et une deuxième couche d'encre appliquée au-dessus de la première couche d'encre, et la deuxième couche d'encre comprend un matériau luminescent sous rayonnement UV qui est invisible sous éclairage par lumière visible et présente une couleur visible claire sous éclairage par lumière ultraviolette ;
    une deuxième zone comporte une couche d'encre d'une couleur visible moyenne ou mifoncée ; et
    une troisième zone comporte une couche d'encre d'une couleur visible claire.
  10. Élément de sécurité selon une des revendications de 1 à 7, les éléments distincts microscopiques comprenant respectivement trois zones adjacentes générées par impression dont :
    une première zone comporte une couche d'encre et la couche d'encre comprend un matériau d'une couleur visible foncée et un autre matériau, luminescent sous rayonnement UV, qui, sous éclairage par lumière visible, et invisible, et qui, sous éclairage par lumière ultraviolette, présente une couleur visible claire ;
    une deuxième zone comporte une couche d'encre d'une couleur visible moyenne ou mifoncée ; et
    une troisième zone comporte une couche d'encre d'une couleur visible claire.
  11. Élément de sécurité selon une des revendications de 1 à 6 ou la revendication 8, les éléments distincts microscopiques comprenant respectivement quatre zones adjacentes générées par impression dont :
    une première zone comporte une première couche d'encre d'une couleur visible très foncée et une deuxième couche d'encre appliquée au-dessus de la première couche d'encre, et la deuxième couche d'encre comprend un matériau luminescent sous rayonnement UV qui est invisible sous éclairage par lumière visible et qui présente une couleur visible claire sous éclairage par lumière ultraviolette ;
    une deuxième zone comporte une première couche d'encre d'une couleur visible foncée et une deuxième couche d'encre appliquée au-dessus de la première couche d'encre, et la deuxième couche d'encre comprend un matériau luminescent sous rayonnement UV qui est invisible sous éclairage par lumière visible et qui présente une couleur visible claire sous éclairage par lumière ultraviolette ;
    une troisième zone comporte une couche d'encre d'une couleur visible moyenne ou mifoncée ; et
    une quatrième zone comprend une couche d'encre d'une couleur visible claire.
  12. Élément de sécurité selon une des revendications de 1 à 6 ou la revendication 8, les éléments distincts microscopiques comprenant respectivement quatre zones adjacentes générées par impression dont :
    une première zone comporte une couche d'encre et la couche d'encre comprend un matériau d'une couleur visible très foncée et un autre matériau, luminescent sous rayonnement UV, qui, sous éclairage par lumière visible, est invisible, et qui, sous éclairage par lumière ultraviolette, présente une couleur visible claire ;
    une deuxième zone comporte une couche d'encre et la couche d'encre comprend un matériau d'une couleur visible foncée et un autre matériau, luminescent sous rayonnement UV, qui, sous éclairage par lumière visible, est invisible, et qui, sous éclairage par lumière ultraviolette, présente une couleur visible claire ;
    une troisième zone comporte une couche d'encre d'une couleur visible moyenne à mifoncée ; et
    une quatrième zone comprend une couche d'encre d'une couleur visible claire.
  13. Élément de sécurité selon une des revendications de 7 à 12, le matériau luminescent étant un matériau fluorescent, en particulier une encre fluorescente ou un pigment fluorescent.
  14. Support de données comprenant un élément de sécurité selon une des revendications de 1 à 13.
  15. Support de données selon la revendication 14, le support de données étant un document de valeur, en particulier un billet de banque, un document d'identification ou une étiquette.
  16. Procédé de fabrication d'un élément de sécurité conformément à une des revendications de 1 à 13, comprenant l'étape de la mise à disposition d'un substrat porteur et l'étape de la génération, par impression, d'éléments distincts microscopiques sur la face avant du substrat porteur, en particulier au moyen d'une impression par procédé offset, par flexographie, par sérigraphie, par impression en creux, par impression en creux par gravure ou par jet d'encre.
  17. Procédé de vérification de l'authenticité d'un support de données, en particulier d'un document de valeur, selon la revendication 14 ou 15, comprenant l'étape de la saisie visuelle de l'apparence dynamique du motif macroscopique , définie à la revendication 1, par observation du support de données à la lumière du jour à l'aide d'une source de lumière UV, en particulier d'une baladeuse UV, la distance entre le support de données et la source de lumière UV étant, en une suite répétitive, réduite puis à nouveau allongée.
EP14724313.3A 2013-05-16 2014-05-13 Élément de sécurité, procédé de fabrication, support de données équipé de cet élément de sécurité et procédé de contrôle d'authenticité Active EP2996881B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14724313T PL2996881T3 (pl) 2013-05-16 2014-05-13 Element zabezpieczający, sposób wytwarzania, nośnik danych wyposażony w element zabezpieczający oraz sposób weryfikacji autentyczności

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013008507.1A DE102013008507A1 (de) 2013-05-16 2013-05-16 Sicherheitselement, Herstellungsverfahren, mit dem Sicherheitselement ausgestatteter Datenträger und Verfahren zum Überprüfen der Echtheit
PCT/EP2014/001289 WO2014183865A1 (fr) 2013-05-16 2014-05-13 Élément de sécurité, procédé de fabrication, support de données équipé de l'élément de sécurité et procédé permettant de vérifier l'authenticité

Publications (2)

Publication Number Publication Date
EP2996881A1 EP2996881A1 (fr) 2016-03-23
EP2996881B1 true EP2996881B1 (fr) 2017-03-29

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EP14724313.3A Active EP2996881B1 (fr) 2013-05-16 2014-05-13 Élément de sécurité, procédé de fabrication, support de données équipé de cet élément de sécurité et procédé de contrôle d'authenticité

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EP (1) EP2996881B1 (fr)
CA (1) CA2907989A1 (fr)
DE (1) DE102013008507A1 (fr)
PL (1) PL2996881T3 (fr)
WO (1) WO2014183865A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022001659A1 (de) 2022-05-11 2023-11-16 Giesecke+Devrient Currency Technology Gmbh Wertdokument mit Lumineszenzmerkmal, Wertdokumentsystem, Herstellungsverfahren und Prüfverfahren

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
GB0228303D0 (en) 2002-12-04 2003-01-08 Rue De Int Ltd Security device and method
WO2008100885A1 (fr) * 2007-02-12 2008-08-21 Evident Technologies Nanocristaux semi-conducteurs formant des dispositifs de marquage
US20110298204A1 (en) * 2010-06-07 2011-12-08 Xerox Corporation Document security by aligning visible and hidden marks
DE102010054760A1 (de) * 2010-12-16 2012-02-16 Giesecke & Devrient Gmbh Sicherheitselement, Verfahren zum Herstellen desselben und Datenträger
DE102013008505A1 (de) * 2012-11-30 2014-06-05 Giesecke & Devrient Gmbh Sicherheitselement, Herstellungsverfahren, mit dem Sicherheitselement ausgestatteter Datenträger und Verfahren zum Überprüfen der Echtheit

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022001659A1 (de) 2022-05-11 2023-11-16 Giesecke+Devrient Currency Technology Gmbh Wertdokument mit Lumineszenzmerkmal, Wertdokumentsystem, Herstellungsverfahren und Prüfverfahren

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WO2014183865A1 (fr) 2014-11-20
EP2996881A1 (fr) 2016-03-23
DE102013008507A1 (de) 2014-11-20
PL2996881T3 (pl) 2017-08-31
CA2907989A1 (fr) 2014-11-20

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