EP2448767B1 - Élément de sécurité et procédé de production correspondant - Google Patents

Élément de sécurité et procédé de production correspondant Download PDF

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Publication number
EP2448767B1
EP2448767B1 EP10730428.9A EP10730428A EP2448767B1 EP 2448767 B1 EP2448767 B1 EP 2448767B1 EP 10730428 A EP10730428 A EP 10730428A EP 2448767 B1 EP2448767 B1 EP 2448767B1
Authority
EP
European Patent Office
Prior art keywords
reflective layer
layer structure
security element
embossing lacquer
embossing
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.)
Not-in-force
Application number
EP10730428.9A
Other languages
German (de)
English (en)
Other versions
EP2448767A1 (fr
Inventor
Manfred Heim
Lars Hoffmann
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 GmbH
Original Assignee
Giesecke and 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 and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Publication of EP2448767A1 publication Critical patent/EP2448767A1/fr
Application granted granted Critical
Publication of EP2448767B1 publication Critical patent/EP2448767B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/351—Translucent or partly translucent parts, e.g. windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—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
    • B42D25/342—Moiré effects
    • 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
    • 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
    • B42D2033/18—
    • B42D2035/16—

Definitions

  • the invention relates to a security element for security papers, Wertdoktunente or the like.
  • a top and a bottom having carrier which is at least partially transparent or translucent, mounted on the top, top embossing lacquer layer, in which an upper embossed structure is formed, a lower embossing lacquer layer mounted on the lower side, in which a lower embossed structure is formed, an upper reflective layer disposed on the upper embossing lacquer layer having an upper reflective layer structure, and a lower reflective layer disposed on the lower embossing lacquer layer and having a lower reflective layer structure.
  • the invention relates to a manufacturing method for a security element for security papers, documents of value or the like, in which a top and a bottom having carrier on the top with an upper embossing lacquer layer and thereon with an upper reflective layer, and at the bottom with a lower embossing lacquer layer and provided thereon with a lower reflection layer, wherein an upper embossing pattern is formed in the upper embossing lacquer layer and a lower embossing pattern is formed in the lower embossing lacquer layer, and the upper reflection layer has an upper reflection layer structure and the lower reflection layer has a lower reflection layer structure.
  • Items to be protected are often provided with a security element that allows verification of the authenticity of the item and at the same time serves as protection against unauthorized reproduction.
  • Items to be protected include, for example, security papers, identity and value documents (such as banknotes, chip cards, passports, identification cards, identity cards, stocks, bonds, certificates, vouchers, checks, tickets, credit cards, identity cards, etc.) as well as product security elements such as security items. Labels, seals, packaging.
  • the security against forgery of a security element is particularly great when the security element on the front and back shows perceptible motifs that are in a certain position to each other and / or difficult to imitate or copy.
  • the generic WO 03/053713 A1 describes a security element which is constructed on a plastic film and carries on both sides of the plastic films relief structures that act as diffraction structures and, for example, as a hologram represent a motif.
  • the relief structures are further provided with metal layers which are structured by interruptions, so that additionally a suitable pattern, for example a letter or another alphanumeric character, can be recognized.
  • the structured metallization on the relief structures is designed as a reflection layer, so that the corresponding motif is visible in plan view.
  • This document discloses security elements having a support between two embossed patterns (e.g., Fig. 9) each provided with a reflective layer structure, but the line directions of the line patterns of these reflective layer structures are not crossing each other.
  • the document AU 734 937 B2 discloses a security element with see-through structures with two line grids whose line directions are crossing each other, but without embossing structures (see in particular p. 10 fourth paragraph, p. 15 fourth paragraph first sentence, p. 20 Z. 23-25).
  • the document AU 2003 266 829 B2 discloses a security element with see-through structures with two line grids whose line directions are crossing each other, but only with at most a single reflection layer (Fig. 17-19, see also page 8 Z. 16-20, p. 10 Z. 20-23, p 23 Z. 7-S. 24 Z. 2, S. 2 first paragraph).
  • the invention has the object of providing a security element to sheep fen, which shows different motifs on the front and back and in transmitted light viewing another motif in good quality.
  • a security element for security papers, documents of value or the like with a top and a bottom having carrier, which is at least partially transparent or translucent is an upper embossing lacquer layer mounted on the upper side in which an upper embossing pattern is formed, a lower embossing lacquer layer attached on the lower side in which a lower embossing pattern is formed, an upper reflecting layer disposed on the upper embossing lacquer layer, having an upper reflection layer structure and a lower reflective layer disposed on the lower embossing lacquer layer and having a lower reflective layer structure, the lower reflective layer structure together with the upper reflective layer structure having transmitted light as a visible reflection pattern, and the lower reflective layer structure and the upper reflective layer structure each having a modulated line pattern the line direction of the upper reflection layer structure is crossing with the line direction of the lower reflection layer structure.
  • the object is further solved by a value document with such a security element.
  • a production method for a security element for security papers, documents of value or the like in which a top and a bottom having carrier at the top with an upper embossing lacquer layer and then with an upper reflective layer, and at the bottom with a lower embossing lacquer layer and provided thereon with a lower reflection layer, wherein an upper embossing pattern is formed in the upper embossing lacquer layer and a lower embossing pattern is formed in the lower embossing lacquer layer, the upper reflection layer has an upper reflection layer structure, and the lower reflection layer has a lower reflection layer structure, and wherein the lower reflection layer structure is composed with the upper reflection layer structure in transmitted light, cause a transmitted light pattern, and the lower reflection layer structure and the upper reflection layer structure each having a modulated line grid, wherein the line direction of the upper reflection layer structure is crossing with the line direction of the lower reflection layer structure.
  • the angle between the line directions should be as vertical as possible to avoid unwanted moiré effects. However, an angle of 60 ° to 120 °, preferably 70 ° to 110 °, more preferably from 80 ° to 100 ° is sufficient.
  • the invention provides a surprisingly simple constructed security element, which has both a recognizable from the front side front motif, which is not visible from the back, and has a visible from the back back motif, which is imperceptible from the front.
  • a transmission light visible in transmitted light observation is present as a further security feature.
  • the reflection layer structures are realized by modulated line rasters, preferably with a line width between 20 ⁇ m and 200 ⁇ m, particularly preferably between 50 ⁇ m and 150 ⁇ m.
  • the alignment of the line structures at the top and bottom avoid disturbing moiré effects or locally different transmission properties surprisingly simply in that the two line patterns intersect each other.
  • the crossed line grids do not disturb each other and provide a particularly good and clearly recognizable motif in the transparent picture.
  • the combination motif is generated jointly by the upper and lower reflective layer structures. Due to the crossed line grid need the reflective layer structures on the top and bottom are not costly matched. The creation is thus much easier than with structures that have to have a certain level to each other.
  • a color layer can be provided. This is particularly simple if the respective reflection layer is produced by means of an etching process.
  • a protective lacquer is printed, which covers the reflection layer (for example, a metallization) at those locations where no opening or interruption is to be incorporated, and protects against the etchant, for example, an etchant.
  • This protective lacquer usually remains on the structured reflection layer, i. H. those portions of the reflective layer that were not removed by the etching process. If this protective varnish is colored, then it can be achieved that the motif generated by the respective reflection layer also has a color effect, eg. B. is colored. At the same time, this color effect does not occur in transmitted light or when viewed from the other side.
  • the corresponding motifs then have different color effects, whereas the transmitted light motif, which is generated by the interaction of the two reflection layers (or a reflection layer), does not substantially show these color effects.
  • the motifs generated by the reflective layer structures are independent and do not have to be matched to one another, as long as they are not interfering with each other in the transparency.
  • the combination of the upper and lower motif results in a combination motif that is composed of the upper motif and the lower motif.
  • the raster elements of the upper and lower reflective layers can advantageously also be designed so that the resulting transmitted light motif is dependent on the viewing angle.
  • this can be achieved in that the screening of the upper and the lower reflection layer have different screen widths. Then moiré-magnified images emerge in the transmitted light, the appearance of which depends on the viewing angle.
  • a known shading grid can be used, for example by a raster structure containing no motif. At certain viewing angles, this raster structure then shades the raster structure of the other reflection layer in which the motif is modulated.
  • the desired see-through effect can in principle be achieved by any screening which on the one hand is so small in terms of fineness that the grid elements are not noticeable to the eye and, on the other hand, locally modulated in their average area coverage such that the viewing motif (s) is / is visible.
  • either the density of the raster elements and / or the size of the raster elements can be modulated.
  • the fineness of the screening at the same time ensures that the upper or lower reflection layer continues to fulfill its function in connection with the corresponding embossing structure or does not disturb it.
  • the respective reflection layer structure can be discernible in plan view, if appropriate in an oblique top view, in the reflection layer located on the embossing lacquer layer. If the upper reflection layer structure and the lower reflection layer structure are formed in such a way that they produce a combination motif, the corresponding part of the combination motif is seen from the front side, on which the upper reflection layer structure is located, and from the bottom, the part effected by the lower reflection layer structure.
  • embossing of the upper embossed structure or the lower embossed structure is preferably carried out with commercially available embossing lacquers, as used for example as heat sealing lacquers in the DE 102004035979 A1 are described.
  • embossing lacquers as used for example as heat sealing lacquers in the DE 102004035979 A1 are described.
  • thermoplastic, electron beam-curing or UV-curing embossing lacquer systems are suitable.
  • embossing lacquer layer Since at least one embossing lacquer layer has to be anchored directly on the support, which can be embodied, for example, as a film, a good adhesion of the embossing lacquer layer usually between 1 ⁇ m and 10 ⁇ m, preferably between 1.5 ⁇ m and 4 ⁇ m, is desirable. This can be achieved by the use of carrier materials, eg. As film material can be achieved with suitable pretreatment. Examples include an acrylate coating in combination with a corona treatment before the application of the embossing lacquer or the printing of adhesion-promoting primers.
  • embossing lacquer Due to the then good adhesion of the embossing lacquer to the carrier, a pure casting process can be used for embossing, in which the embossing lacquer is pressed into an embossing cylinder without further pretreatment. In this way, one obtains an optimal reproduction of an embossed structure, resulting from a very good image of the embossing tool. Brilliant embossed motifs are the result.
  • the top and / or the bottom is provided with a Regelackhaftung improving treatment / are. It is also preferred if the upper and / or the lower embossing lacquer layer has a UV-curing embossing lacquer.
  • Such UV embossing lacquers have the further advantage that they are particularly well suited as an acceptance layer for offset and steel stitch paints. They can thus serve as background for banknote printing coverage with offset or steel stitch colors. A naturally otherwise possible at any time pressure receiving layer on one side of the security element can then be omitted.
  • the protection by the security element is particularly high by the third recognizable in transmitted light motif.
  • the upper and the lower reflection layer are not over the entire surface, but provided with motif-dependent interruptions or openings to form the line-scored top or bottom motif.
  • this structuring can be carried out, for example, by demetallization using technologies known to the person skilled in the art (etching technology and washing process).
  • etching technology and washing process technologies known to the person skilled in the art.
  • the required printing ink is printed in the form of a fine motif.
  • the security element can be designed, in particular, as a security thread, tear-open edges, security strip, security strip, patch or label for application to a security paper, value document or the like.
  • the security element can span transparent areas or recesses.
  • security paper is understood here in particular as the precursor that can not be processed to a value document which, in addition to the security element according to the invention, may also have further authenticity features (such as, for example, luminescent substances provided in the volume).
  • Value documents are here understood, on the one hand, documents produced from security papers.
  • value documents can also be other documents and objects which can be provided with the security feature according to the invention, so that the value documents have non-copyable authenticity features, whereby an authenticity check is possible and at the same time unwanted copies are prevented.
  • the reciprocal property of translucency is opacity.
  • the production method according to the invention can be developed so that the described preferred embodiments and embodiments of the security element are produced.
  • a security element 1 is integrated in a banknote 2 in such a way that the security element 1 is located both from the in Fig. 1 shown front side of the banknote 2 and from the back of the banknote 2 is visible.
  • the security element 1 provided on the banknote 2 can also be part of a security thread 19 of the banknote which, as in FIG Fig. 1 illustrated by way of example, is usually woven into the paper of the banknote 2 in such a way that it is partly on the front (the in Fig. 1 visible side) and partly visible on the back of the banknote. It is also possible to arrange the security element 1 at least partially over a window 20 provided in the banknote 2. Of course, these possibilities are only examples of the use of the security element 1 described below, which of course can also be used in other ways for copying or imitation protection of a protected object.
  • Fig. 2 shows a sectional view through the security element 1 along the line AA of Fig. 1 .
  • a carrier 3 which can be realized for example by a plastic film. This plastic film is transparent or even transliterated, as will be explained later.
  • suitable adhesion promoters 6 and 7 are attached to the carrier 3, which ensure that the following layers have a strong adhesion to the carrier 3.
  • the bonding agent 6 or 7 can on the one hand by a suitable pre treatment of the carrier or use of films suitable coating such. As acrylate coating in combination with corona treatment, or by printing of adhesion promoting primer can be achieved.
  • embossing lacquer layer 9 or an embossing lacquer layer 10 is then applied to the sides 4, 5 of the carrier 3 provided with adhesion promoters 6 and 7, respectively.
  • the embossing lacquer layers 9, 10 thus obtained are now provided with an upper embossing structure 11 or a lower embossing structure 12. Due to the good adhesion of the embossing lacquer layers 9, 10 on the upper side 4 or lower side 5 of the carrier 3, the embossing lacquer structures 11 and 12 can be pressed without further pretreatments with an embossing cylinder.
  • Reflection layers 8, 14 are then applied to the embossing lacquer layers 9, 10.
  • These are preferably reflective layers, which are for example by a metallization (for example, aluminum, copper, iron, chromium, gold, silver, etc. with optical densities between 1.3 oD to 4.5 oD, preferably between 1.8 oD to 3.0 oD) can be realized.
  • a metallization for example, aluminum, copper, iron, chromium, gold, silver, etc. with optical densities between 1.3 oD to 4.5 oD, preferably between 1.8 oD to 3.0 oD
  • printed glossy lacquer coatings are also possible.
  • different reflection layers can be combined in order, as will be explained, to produce desired visual appearances of the subjects presented by the security element 1 to the observer.
  • the embossing structures realize, in connection with the reflective reflection layers 8, 14, a top embossing motif and a bottom embossing motif, respectively, which is visible when viewed from the front side VS or when viewed from the rear side RS.
  • different motifs of the front side VS and the rear side RS can be used. If one of the two sides of the security element 1 is to be printed, this can be done directly on the embossing lacquer 9 or 10 if a UV embossing lacquer is used for this purpose. This is suitable as an acceptance layer for offset and steel engraving inks. Print acceptance layers, which would require several operations for the application, are therefore no longer necessary.
  • the reflection layer 8 is provided with an upper reflection layer structure which effects a motif. Ie. the reflection layer 8 is not over the entire surface on the upper side 4 of the carrier 3, but has a motif-forming varying opacity, ie a pattern. This is line rasterized. The same applies to the reflection layer 14.
  • the raster density of the raster structure or structuring of the reflection layers is selected so that the structure and the motive caused by it is not noticeable or very little when viewed from the front VS and the back RS.
  • these patterns can be achieved, for example, by demetallization using known technologies (etching technology and washing method). If printed reflection layers are used, the respective motif is already produced during printing by application of the printing ink.
  • security element 1 provides a total of five different motifs.
  • the motifs of the upper reflection layer 8 and of the lower reflection layer 14, which can be seen in plan view, in particular in an oblique top view, are explained.
  • the security element 1 of Fig. 3 thus, it has an upper embossing structure 11, which provides an embossed motif, which is visible from the direction of the front side VS forth. From the back RS fro another embossed motif can be seen, which causes the lower embossing structure 12.
  • the security element 1 is viewed in transmitted light, for example under illumination from the rear side RS and in viewing from the front side VS, one recognizes the structures and thus the motifs in the reflection layers 8, 14.
  • the apparent appearing in reflection motif of the reflection layers is formed.
  • the structures of the upper reflection layer 8 and the lower reflection layer 14 cooperate when the security element 1 is viewed in transmitted light.
  • a line width rastering can be used, preferably with a line width between 20 ⁇ m and 200 ⁇ m, particularly preferably between 50 ⁇ m and 150 ⁇ m.
  • FIG. 3 schematically shows the upper reflection layer structure 15 in the upper reflection layer 8 of Fig. 2
  • FIG. 4 shows the lower reflection layer structure 18 in the lower reflection layer 14 of FIG Fig. 2
  • the upper reflection structure 15 in Fig. 3 two more top motives 16 and 17 are shown, which are visually recognizable when viewing the security element 1 from the front side VS in addition to the embossing motif which is introduced into the embossing lacquer layer 9 by the upper embossing structure 11.
  • no motif is drawn for the lower reflection layer structure 18.
  • the carrier 3 can be made transparent. Then the image appearing in transmitted light is particularly clear. If one uses only a translucent carrier 3, the separation of the image formed by the front side VS by the embossing structure 11 from the image produced at the rear side RS by the lower embossing structure 12 increases at the expense of the quality of the transmitted light image.
  • a covering layer 21 on this corresponding side.
  • cover layers are known in the art, for example from the already cited WO 03/053713 A1 ,

Claims (9)

  1. Élément de sécurité pour des papiers de sécurité, des documents de valeur, comportant
    - un support (3), qui est muni d'une face supérieure (4) et d'une face inférieure (5) et qui est au moins en partie transparent ou translucide,
    - une couche de vernis gaufrée supérieure (9), qui est agencée sur la face supérieure (4) et dans laquelle est réalisée une structure gaufrée supérieure,
    - une couche de vernis gaufrée inférieure (10), qui est agencée sur la face inférieure (5) et dans laquelle est réalisée une structure gaufrée inférieure,
    - une couche réfléchissante supérieure (8), qui est agencée sur la couche de vernis gaufrée supérieure (9) et comporte une structure de couche réfléchissante supérieure (15), et
    - une couche réfléchissante inférieure (14), qui est agencée sur la couche de vernis gaufrée inférieure (10) et comporte une structure de couche réfléchissante inférieure (18),
    dans lequel élément de sécurité
    - la structure de couche réfléchissante inférieure (18), conjointement avec la structure de couche réfléchissante supérieure (15), est visible sous la forme d'un motif en lumière transmise, au moyen d'une observation en lumière transmise, et
    - la structure de couche réfléchissante inférieure (18) et la structure de couche réfléchissante supérieure (15) sont générées chacune par un quadrillage de lignes modulé, la direction des lignes de la structure de couche réfléchissante supérieure (15) croisant la direction des lignes de la structure de couche réfléchissante inférieure (18), en formant de préférence un angle de 60 à 120 degrés.
  2. Élément de sécurité selon la revendication 1, dans lequel la structure de couche réfléchissante supérieure (15) et la structure de couche réfléchissante inférieure (18) forment chacune un motif, les deux motifs se regroupant pour former un motif combiné dans une observation en lumière transmise.
  3. Élément de sécurité selon la revendication 1 ou 2, dans lequel la face supérieure (4) et/ou la face inférieure (5) est/sont munie(s) d'un traitement améliorant l'adhérence du vernis gaufré.
  4. Élément de sécurité selon l'une quelconque des revendications précédentes, dans lequel la couche de vernis gaufrée supérieure et/ ou inférieure comporte un vernis gaufré durcissant sous exposition aux UV.
  5. Élément de sécurité selon l'une quelconque des revendications précédentes, dans lequel le support (3) est muni d'un revêtement amatissant.
  6. Document de valeur comportant un élément de sécurité selon l'une quelconque des revendications 1 à 5.
  7. Procédé de fabrication d'un élément de sécurité pour des papiers de sécurité, des documents de valeur, selon lequel
    - un support (3), muni d'une face supérieure (4) et d'une face inférieure (7), est muni, sur sa face supérieure (4), d'une couche de vernis gaufrée supérieure (9) et, sur celle-ci, d'une couche réfléchissante supérieure (8), et, sur sa face inférieure (4), d'une couche de vernis gaufrée inférieure (10) et, sur celle-ci, d'une couche réfléchissante inférieure (14),
    - une structure gaufrée supérieure (11) étant agencée dans la couche de vernis gaufrée supérieure (9) et une structure gaufrée inférieure (12) étant agencée dans la couche de vernis gaufrée inférieure (10),
    - la couche réfléchissante supérieure (8) étant munie d'une structure de couche réfléchissante supérieure (15) et la couche réfléchissante inférieure (14) étant munie d'une structure de couche réfléchissante inférieure (18),
    selon lequel procédé
    - la structure de couche réfléchissante inférieure (18), conjointement avec la structure de couche réfléchissante supérieure (15), est visible sous la forme d'un motif en lumière transmise, au moyen d'une observation en lumière transmise, et
    - la structure de couche réfléchissante inférieure (18) et la structure de couche réfléchissante supérieure (15) sont générées chacune par un quadrillage de lignes modulé, la direction des lignes de la structure de couche réfléchissante supérieure (15) croisant la direction des lignes de la structure de couche réfléchissante inférieure (18), en formant de préférence un angle de 60 à 120 degrés.
  8. Procédé de fabrication selon la revendication 7, dans lequel la face supérieure (4) et/ou la face inférieure (5) seront munies d'un traitement améliorant l'adhérence du vernis gaufré.
  9. Procédé de fabrication selon l'une quelconque des revendications précédentes, dans lequel un vernis gaufré durcissant sous exposition aux UV est utilisé pour la couche de vernis gaufrée supérieure et/ ou inférieure (9, 10).
EP10730428.9A 2009-07-01 2010-06-30 Élément de sécurité et procédé de production correspondant Not-in-force EP2448767B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009031387A DE102009031387A1 (de) 2009-07-01 2009-07-01 Sicherheitselement und Herstellungsverfahren dafür
PCT/EP2010/059302 WO2011000878A1 (fr) 2009-07-01 2010-06-30 Élément de sécurité et procédé de production correspondant

Publications (2)

Publication Number Publication Date
EP2448767A1 EP2448767A1 (fr) 2012-05-09
EP2448767B1 true EP2448767B1 (fr) 2013-09-18

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EP10730428.9A Not-in-force EP2448767B1 (fr) 2009-07-01 2010-06-30 Élément de sécurité et procédé de production correspondant

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EP (1) EP2448767B1 (fr)
AU (1) AU2010268081B2 (fr)
DE (1) DE102009031387A1 (fr)
MX (1) MX2012000033A (fr)
WO (1) WO2011000878A1 (fr)

Cited By (2)

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EP3501840A1 (fr) 2017-12-21 2019-06-26 Giesecke+Devrient Currency Technology GmbH Procédé de fabrication d'un élément de sécurité en feuilles multicouche
EP4223549A4 (fr) * 2020-09-29 2024-03-13 Toppan Inc Corps d'affichage

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GB201007042D0 (en) † 2010-04-28 2010-06-09 Rue De Int Ltd Printed security feature and method of manufacture
DE102011100979A1 (de) * 2011-05-10 2012-11-15 Giesecke & Devrient Gmbh Sicherheitselement und mit demselben ausgestatteter Datenträger
WO2014199832A1 (fr) 2013-06-10 2014-12-18 凸版印刷株式会社 Corps d'affichage de multiples images
AU2017321973A1 (en) 2016-09-02 2019-03-07 Dana-Farber Cancer Institute, Inc. Composition and methods of treating B cell disorders
DE102018005454A1 (de) * 2018-07-09 2020-01-09 Giesecke+Devrient Currency Technology Gmbh Optisch variables Sicherheitselement mit reflektivem Flächenbereich
CN112566787B (zh) * 2018-08-13 2023-02-14 克瑞尼股份有限公司 无透镜微光学膜
DE102019003214A1 (de) * 2019-05-07 2020-11-12 Giesecke+Devrient Currency Technology Gmbh Dekorelement mit Mehrschichtaufbau und Dekoreinrichtung
DE102019005705A1 (de) * 2019-08-14 2021-02-18 Giesecke+Devrient Currency Technology Gmbh Optisch variables Sicherheitselement
DE102019005707A1 (de) * 2019-08-14 2021-02-18 Giesecke+Devrient Currency Technology Gmbh Optisch variables Sicherheitselement
WO2022053828A1 (fr) * 2020-09-11 2022-03-17 De La Rue International Limited Dispositifs de sécurité et leurs procédés de fabrication

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DE69636991T2 (de) * 1995-11-28 2007-12-06 Ovd Kinegram Ag Optischer Informationsträger
GB9612496D0 (en) * 1996-06-14 1996-08-14 De La Rue Thomas & Co Ltd Security device
DE10226114A1 (de) 2001-12-21 2003-07-03 Giesecke & Devrient Gmbh Sicherheitselement für Sicherheitspapiere und Wertdokumente
NZ539221A (en) * 2002-10-07 2007-06-29 Note Printing Au Ltd Embossed optically variable devices
DE102004035979A1 (de) 2004-07-14 2006-02-02 Giesecke & Devrient Gmbh Sicherheitselement und Verfahren zu seiner Herstellung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3501840A1 (fr) 2017-12-21 2019-06-26 Giesecke+Devrient Currency Technology GmbH Procédé de fabrication d'un élément de sécurité en feuilles multicouche
EP4223549A4 (fr) * 2020-09-29 2024-03-13 Toppan Inc Corps d'affichage

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Publication number Publication date
AU2010268081B2 (en) 2015-05-21
DE102009031387A1 (de) 2011-01-05
MX2012000033A (es) 2012-05-08
AU2010268081A1 (en) 2012-01-19
WO2011000878A1 (fr) 2011-01-06
EP2448767A1 (fr) 2012-05-09

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