EP2448767B1 - Security element, and method for the production thereof - Google Patents
Security element, and method for the production thereof Download PDFInfo
- 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
Links
- 238000000034 method Methods 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000004049 embossing Methods 0.000 claims description 82
- 239000004922 lacquer Substances 0.000 claims description 57
- 238000000576 coating method Methods 0.000 claims description 5
- 238000003848 UV Light-Curing Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 9
- 238000007639 printing Methods 0.000 description 6
- 238000005530 etching Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 4
- 229920006255 plastic film Polymers 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000976 ink Substances 0.000 description 3
- 238000001465 metallisation Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- 239000002318 adhesion promoter Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003851 corona treatment Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001227 electron beam curing Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 239000004920 heat-sealing lacquer Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- 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 ,
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Description
Die Erfindung bezieht sich auf ein Sicherheitselement für Sicherheitspapiere, Wertdoktunente oder dgl., mit einem eine Oberseite und eine Unterseite aufweisenden Träger, der zumindest teilweise transparent oder transluzent ist, einer auf der Oberseite angebrachten, oberen Prägelackschicht, in der eine obere Prägestruktur ausgebildet ist, einer auf der Unterseite angebrachten, unteren Prägelackschicht, in der eine untere Prägestruktur ausgebildet ist, einer auf der oberen Prägelackschicht angeordneten oberen Reflexionsschicht, die eine obere Reflexionsschichtstruktur hat, und einer auf der unteren Prägelackschicht angeordneten unteren Reflexionsschicht, die eine untere Reflexionsschichtstruktur hat.The invention relates to a security element for security papers, Wertdoktunente or the like., With 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.
Die Erfindung bezieht sich auf ein Herstellungsverfahren für ein Sicherheitselement für Sicherheitspapiere, Wertdokumente oder dgl., bei dem ein eine Oberseite und eine Unterseite aufweisender Träger an der Oberseite mit einer oberen Prägelackschicht und darauf mit einer oberen Reflexionsschicht, und an der Unterseite mit einer unteren Prägelackschicht und darauf mit einer unteren Reflexionsschicht versehen wird, wobei in der oberen Prägelackschicht eine obere Prägestruktur und in der unteren Prägelackschicht eine untere Prägestruktur ausgebildet werden, und die obere Reflexionsschicht eine obere Reflexionsschichtstruktur und die untere Reflexionsschicht eine untere Reflexionsschichtstruktur hat.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.
Zu schützende Gegenstände werden häufig mit einem Sicherheitselement ausgestattet, das eine Überprüfung der Echtheit des Gegenstandes erlaubt und zugleich als Schutz vor unerlaubter Reproduktion dient.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.
Zu schützende Gegenstände sind beispielsweise Sicherheitspapiere, Ausweis- und Wertdokument (wie z.B. Banknoten, Chipkarten, Pässe, Identifikationskarten, Ausweiskarten, Aktien, Anleihen, Urkunden, Gutscheine, Schecks, Eintrittskarten, Kreditkarten, Gesttndheitskarten, ...) sowie Produktsicherungselemente, wie z.B. Etiketten, Siegel, Verpackungen.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.
Die Fälschungssicherheit eines Sicherheitselementes ist dann besonders groß, wenn das Sicherheitselement auf Vorder- wie Rückseite wahrnehmbar Motive zeigt, die in einer bestimmten Lage zueinander liegen und/oder schwer nachzuahmen bzw. zu kopieren sind.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.
Die gattungsbildende
Das Dokument
- einem eine Oberseite und eine Unterseite aufweisenden Träger (3), der zumindest teilweise transparent oder transluzent ist,
- einer oberen Prägestruktur (15), die in dem Träger ausgebildet ist,
- einer unteren Prägestruktur (10), die in dem Träger ausgebildet ist, und
- einer auf der unteren Prägelackschicht angeordneten unteren Reflexionsschicht (10, implizit, dass diese Struktur eine Reflexionsschicht aufweist (siehe S. 13 Z. 5-6)), die eine untere Reflexionsschichtstruktur hat, wobei
- die untere Reflexionsschichtstruktur zusammen mit der oberen Prägestruktur in Durchlichtbetrachtung als Durchlichtmotiv sichtbar ist und
- die untere Reflexionsschichtstruktur und die obere Prägestruktur jeweils durch ein moduliertes Linienraster erzeugt ist, wobei die Linienrichtung der oberen Prägestruktur kreuzend zur Linienrichtung der unteren Reflexionsschichtstruktur liegt (S. 13 Z. 6-11).
- a carrier (3) having an upper side and a lower side which is at least partially transparent or translucent,
- an upper embossing structure (15) formed in the carrier,
- a lower embossing structure (10) formed in the carrier, and
- a lower reflection layer (10) implicitly disposed on the lower embossing lacquer layer (implicitly having a reflection layer (see page 13, lines 5-6)) having a lower reflection layer structure, wherein
- the lower reflection layer structure is visible together with the upper embossed structure in transmitted light observation as transmitted light motif and
- the lower reflective layer structure and the upper embossing structure are each produced by a modulated line grid, wherein the line direction of the upper embossing structure is crossing to the line direction of the lower reflection layer structure (page 13 Z. 6-11).
Dieses Dokument offenbart keine auf der oberen Prägelackstruktur angeordnete obere Reflexionsschicht, und offenbart auch nicht, dass das Sicherheitselement zwei Prägelackschichten umfasst.This document does not disclose an upper reflective layer disposed on the upper embossing lacquer structure nor does it disclose that the security element comprises two embossing lacquer layers.
Dieses Dokument offenbart Sicherheitselemente mit einem Träger zwischen zwei jeweils mit einer Reflexionsschichtstruktur versehenen Prägestrukturen (z.B. Fig. 9), aber die Linienrichtungen der Linienraster dieser Reflexionsschichtstrukturen liegen nicht kreuzend zueinander.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.
Das Dokument
Das Dokument
Der Erfindung liegt die Aufgabe zugrunde, ein Sicherheitselement zu schaf fen, das an Vorder- und Rückseite unterschiedliche Motive und bei Durchlichtbetrachtung ein weiteres Motiv in guter Qualität zeigt.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.
Diese Aufgabe wird gelöst durch ein Sicherheitselement für Sicherheitspapiere, Wertdokumente oder dgl., mit einem eine Oberseite und eine Unterseite aufweisenden Träger, der zumindest teilweise transparent oder translu-zent ist, einer auf der Oberseite angebrachten, oberen Prägelackschicht, in der eine obere Prägestruktur ausgebildet ist, einer auf der Unterseite angebrachten, unteren Prägelackschicht, in der eine untere Prägestruktur ausgebildet ist, einer auf der oberen Prägelackschicht angeordneten, oberen Reflexionsschicht, die eine obere Reflexionsschichtstruktur hat, und einer auf der unteren Prägelackschicht angeordneten, unteren Reflexionsschicht, die eine untere Reflexionsschichtstruktur hat, wobei die untere Reflexionsschichtstruktur zusammen mit der oberen Reflexionsschichtstruktur in Durchlichtbetrachtung ein sichtbares Dttrchlichtmotiv bewirken, und die untere Reflexionsschichtstruktur und die obere Reflexionsschichtstruktur jeweils ein moduliertes Linienraster aufweisen, wobei die Linienrichtung der oberen Reflexionsschichtstruktur kreuzend zur Linienrichtung der unteren Reflexionsschichtstruktur liegt.This object is achieved by 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.
Die Aufgabe wird weiter gelöst durch ein Wertdokumente mit einem solchen Sicherheitselement.The object is further solved by a value document with such a security element.
Die Aufgabe löst schließlich auch ein Herstellungsverfahren für ein Sicherheitselementes für Sicherheitspapiere, Wertdokumente oder dgl., bei dem ein eine Oberseite und eine Unterseite aufweisender Träger an der Oberseite mit einer oberen Prägelackschicht und darauf mit einer oberen Reflexionsschicht, und an der Unterseite mit einer unteren Prägelackschicht und darauf mit einer unteren Reflexionsschicht versehen wird, wobei in der oberen Prägelackschicht eine obere Prägestruktur und in der unteren Prägelackschicht eine untere Prägestruktur ausgebildet werden, die obere Reflexionsschicht eine obere Reflexionsschichtstruktur hat und die untere Reflexionsschicht eine untere Reflexionsschichtstruktur hat, und wobei die untere Reflexionsschichtstruktur zusammen mit der oberen Reflexionsschichtstrukhtr in Durchlichtbetrachtung ein Durchlichtmotiv bewirken, und die untere Reflexionsschichtstruktur und die obere Reflexionsschichtstruktur jeweils ein moduliertes Linienraster aufweisen, wobei die Linienrichtung der oberen Reflexionsschichtstruktur kreuzend zur Linienrichtung der unteren Reflexionsschichtstruktur liegt.Finally, the object is also achieved by 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.
Der Winkel zwischen den Linienrichtungen sollte zur Vermeidung unerwünschter Moiré-Effekte möglichst senkrecht sein. Allerdings genügt ein Winkel von 60° bis 120°, bevorzugt 70° bis 110°, besonders bevorzugt von 80° bis 100°.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.
Die Erfindung schafft ein überraschend einfach aufgebautes Sicherheitselement, das sowohl ein von der Vorderseite erkennbares Vorderseitenmotiv aufweist, welches von der Rückseite nicht erkennbar ist, sowie ein von der Rückseite sichtbares Rückseitenmotiv hat, welches von der Vorderseite nicht wahrnehmbar ist. Zusätzlich ist durch die Strukturen der Reflexionsschichten ein in Durchlichtbetrachtung sichtbares Durchlichtmotiv als weiteres Sicherheitsmerkmal vorhanden.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. In addition, through the structures of the reflection layers, a transmission light visible in transmitted light observation is present as a further security feature.
Die Reflexionsschichtstrukturen sind durch modulierte Linienraster, vorzugsweise mit einer Strichstärke zwischen 20 µm und 200 µm, besonders bevorzugt zwischen 50 µm und 150 µm, realisiert. Die Ausrichtung der Linienstrukturen an Ober- und Unterseite vermeiden störende Moiré-Effekte bzw. lokal unterschiedliche Transmissionseigenschaften überraschend einfach, indem die beiden Linienraster kreuzend zueinander liegen. Die gekreuzten Linienraster stören sich gegeneinander nicht und liefern im Durchsichtsbild ein besonders gut und klar erkennbares Motiv.The reflection layer structures are realized by modulated line rasters, preferably with a line width between 20 μm and 200 μm, particularly preferably between 50 μm and 150 μm. 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.
Das Kombinationsmotiv wird von der oberen und der unteren Reflexionsschichtstruktur gemeinsam erzeugt. Durch die gekreuzten Linienraster müssen die Reflexionsschichtstrukturen auf Ober- und Unterseite nicht aufwendig gepassert werden. Die Erstellung ist somit deutlich einfacher als bei Strukturen, die einen bestimmten Stand zueinander haben müssen.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.
Durch die Verwendung einer Linienbreitenrasterung mit gekreuzten Linienrichtungen werden die oberen und unteren Reflexionsstrukturen überlagert, ohne dass sie sich beeinflussen. Es ist deshalb einfach möglich, für jede der beiden Reflexionsschichtstrukturen ein eigenständiges Motiv vorzusehen. Jedes der dadurch realisierten Motive, also das obere Motiv, welches die obere Reflexionsschichtstruktur erzeugt, und das untere Motiv, das von der unteren Reflexionsschichtstruktur bewirkt wird, ist im Durchsichtsbild bei der Überlagerung der gekreuzten Linienraster gut erkennbar.By using a line width raster with crossed line directions, the top and bottom reflection structures are superimposed without affecting each other. It is therefore easily possible to provide an independent motif for each of the two reflection layer structures. Each of the motifs realized thereby, that is to say the upper motif which generates the upper reflection layer structure, and the lower motif, which is effected by the lower reflection layer structure, are clearly recognizable in the see-through image in the superposition of the crossed line patterns.
Für die Reflexionsschicht mit den Reflexionsstrukturen kann eine Farbschicht vorgesehen werden. Dies ist besonders einfach, wenn die jeweilige Reflexionsschicht mittels eines Ätzverfahrens erzeugt wird. Dabei wird üblicherweise vor dem Ätzverfahren ein Schutzlack aufgedruckt, der die Reflexionsschicht (beispielsweise eine Metallisierung) an denjenigen Stellen, an denen keine Öffnung bzw. Unterbrechung eingearbeitet werden soll, abdeckt und vor dem Ätzmittel, beispielsweise einer Ätzlauge, schützt. Dieser Schutzlack verbleibt üblicherweise auf der strukturierten Reflexionsschicht, d. h. denjenigen Abschnitten der Reflexionsschicht, die nicht im Ätzverfahren entfernt wurden. Ist dieser Schutzlack farbig, so erreicht man, dass auch das von der jeweiligen Reflexionsschicht erzeugte Motiv einen Farbeffekt hat, z. B. farbig ist. Gleichzeitig tritt dieser Farbeeffekt bei Durchlichtbetrachtung oder bei Betrachtung von der anderen Seite nicht auf.For the reflection layer with the reflection structures, a color layer can be provided. This is particularly simple if the respective reflection layer is produced by means of an etching process. In this case, usually before the 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.
Bei der oberen und unteren Reflexionsschicht ist es besonders vorteilhaft, unterschiedliche Farben für die jeweilige Reflexionsschicht vorzusehen. Die entsprechenden Motive haben dann unterschiedliche Farbeffekte, wohingegen das Durchlichtmotiv, das von der Zusammenwirkung der beiden Reflexionsschichten (oder einer Reflexionsschicht) erzeugt wird, im Wesentlichen diese Farbeffekte nicht zeigt.In the case of the upper and lower reflection layers, it is particularly advantageous to provide different colors for the respective reflection layer. 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.
In einer einfachen Bauweise des Sicherheitselementes sind die von den Reflexionsschichtstrukturen erzeugten Motive unabhängig und müssen nicht aufeinander abgestimmt sein, solange sie sich im Durchsichtsbild nicht störend überlagern. In einer bevorzugten Weiterbildung des Sicherheitsmerkmales entsteht in der Überlagerung von oberem und unterem Motiv ein Kombinationsmotiv, das aus dem oberen Motiv und dem unteren Motiv zusammengesetzt ist.In a simple construction of the security element, 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. In a preferred development of the security feature, the combination of the upper and lower motif results in a combination motif that is composed of the upper motif and the lower motif.
Die Rasterelemente von oberer und unterer Reflexionsschicht können vorteilhafterweise auch so ausgeführt werden, dass das entstehende Durchlichtmotiv blickwinkelabhängig ist. In einer ersten Variante kann man dies dadurch erreichen, dass die Rasterung der oberen und der unteren Reflexionsschicht unterschiedliche Rasterweiten haben. Dann entstehen im Durchlicht Moiré-vergrößerte Bilder, deren Erscheinung blickwinkelabhängig ist. In einer zweiten Variante kann ein bekanntes Verschattungsraster verwendet werden, beispielsweise indem eine Rasterstruktur kein Motiv enthält. Bei bestimmten Betrachtungswinkeln verschattet dann diese Rasterstruktur die Rasterstruktur der anderen Reflexionsschicht, in welcher das Motiv moduliert ist.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. In a first variant, 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. In a second variant, 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.
Der gewünschte Durchsichteffekt kann prinzipiell durch jedwede Rasterung erzielt werden, welche einerseits in ihrer Feinheit so klein ist, dass die Rasterelemente dem Auge nicht auffallen und andererseits in ihrer durchschnittlichen Flächendeckung örtlich so moduliert sind, dass das/ die Durchsichtmotive sichtbar ist/wird. Dabei kann entweder die Dichte der Rasterelemente und/oder die Größe der Rasterelemente moduliert werden. Die Feinheit der Rasterung sorgt gleichzeitig dafür, dass die obere bzw. untere Reflexionsschicht weiterhin ihre Funktion im Zusammenhang mit der entsprechenden Prägestruktur erfüllt bzw. diese nicht stört.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. In this case, 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.
Je nach Ausführungsform der Prägelackschichten und der dadurch bewirkten Motive kann in der auf der Prägelackschicht befindlichen Reflexionsschicht die jeweilige Reflexionsschichtstruktur in Draufsicht, ggf. in schräger Draufsicht, erkennbar sein. Bildet man die obere Reflexionsschichtstruktur und die untere Reflexionsschichtstruktur so aus, dass sie ein Kombinationsmotiv bewirken, sieht man von der Vorderseite, auf der sich die obere Reflexionsschichtstruktur befindet, den entsprechenden Teil des Kombinationsmotivs, und von der Unterseite den durch die untere Reflexionsschichtstruktur bewirkten Teil.Depending on the embodiment of the embossing lacquer layers and the motifs produced thereby, 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.
Die Prägung der oberen Prägestruktur bzw. der unteren Prägestruktur erfolgt vorzugsweise mit handelsüblichen Prägelacken, wie sie beispielsweise als Heißsiegellacke in der
Da mindestens eine Prägelackschicht auf dem Träger, der beispielsweise als Folie ausgeführt sein kann, direkt verankert sein muss, ist eine gute Adhäsion der üblicherweise zwischen 1 µm und 10 µm, bevorzugt zwischen 1,5 µm und 4 µm dicken Prägelackschicht anzustreben. Dies kann durch den Einsatz von Trägermaterialien, z. B. Folienmaterial, mit geeigneter Vorbehandlung erreicht werden. Beispiele hierfür sind eine Acrylatbeschichtung in Kombination mit einer Coronabehandlung vor der Applikation des Prägelackes oder das Abdrucken von haftungsvermittelnden Primem. Durch die dann erreichte gute Haftung des Prägelackes gegenüber dem Träger kann zum Prägen ein reines Casting-Verfahren verwendet werden, bei dem der Prägelack ohne weitere Vorbehandlung in einen Prägezylinder gepresst wird. Auf diese Weise erhält man eine optimale Wiedergabe einer Prägestruktur, resultierend aus einer sehr guten Abbildung des Prägewerkzeuges. Brillante Prägemotive sind das Resultat.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 μm and 10 μm, preferably between 1.5 μm and 4 μm, 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. 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.
Es ist deshalb in einer Weiterbildung bevorzugt, dass die Oberseite und/ oder die Unterseite mit einer Prägelackhaftung verbessernden Behandlung versehen ist/ sind. Auch ist es bevorzugt, wenn die obere und/oder die untere Prägelackschicht einen UV-härtenden Prägelack aufweist. Solche UV-Prägelacke haben den weiteren Vorteil, dass sie als Annahmeschicht für Offset- und Stahlstichfarben besonders gut geeignet sind. Sie können somit den Untergrund für eine im Banknotendruck übliche Überdeckung mit Offset- oder Stahlstichfarben dienen. Eine natürlich ansonsten jederzeit mögliche Druckannahmeschicht auf einer Seite des Sicherheitselementes kann dann entfallen.It is therefore preferred in a development that the top and / or the bottom is provided with a Prägelackhaftung 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.
Der Schutz durch das Sicherheitselement ist durch das dritte im Durchlicht erkennbare Motiv besonders hoch. Hierzu werden die obere und die untere Reflexionsschicht nicht vollflächig, sondern mit motivabhängigen Unterbrechungen bzw. Öffnungen versehen, um das liniengerasterte obere bzw. untere Motiv zu bilden. Im Falle einer metallischen Reflexionsschicht kann diese Strukturierung beispielsweise durch Demetallisierung mit dem Fachmann bekannten Technologien (Ätztechnologie und Waschverfahren) erfolgen. Im Falle einer gedruckten Reflexionsschicht wird die benötigte Druckfarbe in Form eines feinen Motivs aufgedruckt.The protection by the security element is particularly high by the third recognizable in transmitted light motif. For this purpose, 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. In the case of a metallic reflection layer, 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). In the case of a printed reflective layer, the required printing ink is printed in the form of a fine motif.
Das Sicherheitselement kann insbesondere als Sicherheitsfaden, Aufreißraden, Sicherheitsband, Sicherheitsstreifen, Patch oder als Etikett zum Aufbringen auf ein Sicherheitspapier, Wertdokument oder dgl. ausgebildet sein. Insbesondere kann das Sicherheitselement transparente Bereiche oder Ausnehmungen überspannen.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. In particular, the security element can span transparent areas or recesses.
Unter dem Begriff Sicherheitspapier wird hier insbesondere die noch nicht umlauffähige Vorstufe zu einem Wertdokument verstanden, die neben dem erfindungsgemäßen Sicherheitselement beispielsweise auch weitere Echtheitsmerkmale (wie z.B. im Volumen vorgesehene Lumineszenzstoffe) aufweisen kann. Unter Wertdokumenten werden hier einerseits aus Sicherheitspapieren hergestellte Dokumente verstanden. Andererseits können Wertdokumente auch sonstige Dokumente und Gegenstände sein, die mit dem erfindungsgemäßen Sicherheitsmerkmal versehen werden können, damit die Wertdokumente nicht kopierbare Echtheitsmerkmale aufweisen, wodurch eine Echtheitsüberprüfung möglich ist und zugleich unerwünschte Kopien verhindert werden.The term 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. On the other hand, 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.
Unter Transluzenz bzw. transluzent wird in dieser Beschreibung die partielle Lichtdurchlässigkeit eines Körpers verstanden, also die Eigenschaft, Licht durchzulassen, ohne transparent zu sein. Transluzenz ist also in Abgrenzung zur Transparenz (= Bild- oder Blickdurchlässigkeit) zu sehen. Die reziproke Eigenschaft der Transluzenz ist die Opazität. Im Sinne dieser Beschreibung ist ein Körper transluzent oder transparent, wenn der Transmissionsgrad im Bereich der sichtbaren optischen Strahlung (= Licht) mindestens 90% beträgt. Bei Transmissionsgraden zwischen 10 und 90% ist der Körper teiltransparent oder -transluzent.In this description, translucency or translucent is understood as meaning the partial translucency of a body, ie the property of transmitting light without being transparent. Translucence is thus to be seen in contrast to transparency (= transparency of image or sight). The reciprocal property of translucency is opacity. For the purpose of this description, a body is translucent or transparent if the transmittance in the region of the visible optical radiation (= light) is at least 90%. At transmittances between 10 and 90%, the body is partially transparent or translucent.
Das erfindungsgemäße Herstellungsverfahren kann so weitergebildet werden, dass die beschriebenen bevorzugten Ausbildungen und Ausführungsformen des Sicherheitselementes hergestellt werden.The production method according to the invention can be developed so that the described preferred embodiments and embodiments of the security element are produced.
Es versteht sich, dass die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in den angegebenen Kombinationen, sondern auch in anderen Kombinationen einsetzbar sind, ohne den Rahmen der vorliegenden Erfindung zu verlassen, soweit dies von dem Schutzumfang der Ansprüche erfasst ist.It is understood that the features mentioned above and those yet to be explained below can be used not only in the specified combinations, but also in other combinations, without departing from the scope of the present invention, insofar as this is covered by the scope of the claims.
Nachfolgend wird die Erfindung beispielshalber anhand der beigefügten Zeichnungen, die auch erfindungswesentliche Merkmale offenbaren, noch näher erläutert ist. Es zeigen:
- Fig.1
- eine Draufsicht einer Banknote
mit einem Sicherheitselement 1, - Fig. 2
- einen vergrößerten Abschnitt eines Teils des Schnittes entlang der Linie A-A der
Fig.1 , - Fig. 3
- eine Schemadarstellung eines liniengerasterten Motivs in einer oberen Reflexionsschicht des Sicherheitselementes,
- Fig. 4
- ein Linienraster für eine untere Reflexionsschicht des Sicherheitselementes und
- Fig. 5-8
- unterschiedliche Überlagerungen der Linienraster der
Fig. 3 .und 4
- Fig.1
- a top view of a banknote with a
security element 1, - Fig. 2
- an enlarged portion of a part of the section along the line AA of
Fig.1 . - Fig. 3
- a schematic representation of a line-scanned motif in an upper reflective layer of the security element,
- Fig. 4
- a line grid for a lower reflective layer of the security element and
- Fig. 5-8
- different overlays of the line grid of
3 and 4 ,
Die Figuren sind zur besseren Darstellbarkeit nicht maßstabstreu dargestellt. Ferner sind teilweise Schraffuren nicht eingezeichnet, um den Aufbau des entsprechenden Sicherheitselementes 1 übersichtlicher darstellen zu können.The figures are not shown to scale for ease of illustration. Furthermore, some hatching is not shown in order to represent the structure of the
Im Übrigen tragen Elemente, die sich in verschiedenen Ausführungsformen funktionell und/oder strukturell gleichen oder entsprechen, in allen Figuren jeweils dasselbe Bezugszeichen, um Beschreibungswiederholulgen zu vermeiden. In der nachfolgenden Beschreibung von Schnittdarstellungen wird als Vorderseite des Sicherheitselementes die in den Darstellungen oben liegende Seite bezeichnet. Die Rückseite ist dementsprechend die unten liegende Seite. Diese Konvention dient lediglich der einfacheren Beschreibung und soll keine Einschränkung hinsichtlich Aufbau und/oder Anwendung des Sicherheitselementes sein.Incidentally, elements which in different embodiments functionally and / or structurally equal or correspond bear the same reference sign in all figures in order to avoid description repetition. In the following description of sectional views is referred to as the front of the security element in the representations above page. The back is accordingly the bottom side. This convention is merely for ease of description and is not intended to be limiting as to the construction and / or application of the security element.
Bei der in
Das auf der Banknote 2 vorgesehene Sicherheitselement 1 kann auch Bestandteil eines Sicherheitsfadens 19 der Banknote sein, welcher, wie in
An der Vorderseite des Sicherheitselementes 1 liegt für die nachfolgende Beschreibung die Oberseite 4 des Trägers 3, an der Rückseite des Sicherheitselementes 1 die Unterseite 5 des Trägers. Auf Oberseite 4 und Unterseite 5 sind auf den Träger 3 geeignete Haftvermittler 6 bzw. 7 angebracht, die dafür sorgen, dass folgende Schichten eine starke Adhäsion zum Träger 3 aufweisen. Der Haftvermittler 6 bzw. 7 kann zum einen durch eine geeignete Vor behandlung des Trägers bzw. Verwendung von Folien geeigneter Beschichtung, wie z. B. Acrylatbeschichtung in Kombination mit Coronabehandlung, oder durch das Aufdrucken von haftvermittelnden Primem erreicht werden.At the front of the
Auf die mit Haftvermittler 6 bzw. 7 versehenen Seiten 4, 5 des Trägers 3 wird nun eine Prägelackschicht 9 bzw. eine Prägelackschicht 10 aufgebracht. Die derart erhaltenen Prägelackschichten 9, 10 werden nun mit einer oberen Prägestruktur 11 bzw. einer unteren Prägestruktur 12 versehen. Durch die gute Haftung der Prägelackschichten 9,10 auf der Oberseite 4 bzw. Unterseite 5 des Trägers 3 können die Prägelackstrukturen 11 bzw. 12 ohne weitere Vorbehandlungen mit einem Prägezylinder gepresst werden.An
Auf die Prägelackschichten 9,10 werden anschließend Reflexionsschichten 8, 14 aufgebracht. Hierbei handelt es sich vorzugsweise um spiegelnde Schichten, die beispielsweise durch eine Metallisierung (infrage kommen beispielsweise Aluminium, Kupfer, Eisen, Chrom, Gold, Silber etc. mit optischen Dichten zwischen 1,3 oD bis 4,5 oD, bevorzugt zwischen 1,8 oD bis 3,0 oD) realisiert werden. Alternativ sind auch gedruckte glänzende Lackschichten möglich. Auch können verschiedene Reflexionsschichten kombiniert werden, um, wie noch erläutert wird, gewünschte optische Erscheinungen der vom Sicherheitselement 1 dem Betrachter dargebotenen Motive zu erzeugen.Reflection layers 8, 14 are then applied to the
Die Prägestrukturen realisieren im Zusammenhang mit den reflektierenden Reflexionsschichten 8, 14 ein Oberseitenprägemotiv bzw. ein Unterseitenprägemotiv, das bei Betrachtung von der Vorderseite VS bzw. in Betrachtung von der Rückseite RS sichtbar ist. Dabei können selbstverständlich unterschiedliche Motive von der Vorderseite VS bzw. der Rückseite RS verwendet werden. Soll eine der beiden Seiten des Sicherheitselementes 1 bedruckt werden, kann dies direkt auf den Prägelack 9 bzw. 10 erfolgen, wenn hierfür ein UV-Prägelack verwendet wird. Dieser ist als Annahmeschicht für Offset- und Stahlstichfarben geeignet. Druckannahmeschichten, die mehrere Arbeitsgänge für die Auftragung benötigen würden, sind dadurch nicht mehr nötig.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. Of course, different motifs of the front side VS and the rear side RS can be used. If one of the two sides of the
Die Reflexionsschicht 8 ist mit einer oberen Reflexionsschichtstruktur versehen, die ein Motiv bewirkt. D. h. die Reflexionsschicht 8 ist auf der Oberseite 4 des Trägers 3 nicht vollflächig, sondern hat eine motivbildende variierende Opazität, d. h. ein Muster. Dieses ist liniengerastert. Analoges gilt für die Reflexionsschicht 14. Die Rasterdichte der Rasterstruktur bzw. Strukturierung der Reflexionsschichten ist dabei so gewählt, dass die Struktur und das dadurch bewirkte Motiv bei Betrachtung von der Vorderseite VS und der Rückseite RS nicht oder sehr wenig auffällt. Im Falle von metallischen Reflexionsschichten 8,14 können diese Muster beispielsweise durch Demetallisierung mit bekannten Technologien (Ätztechnologie und Waschverfahren) erreicht werden. Verwendet man gedruckte Reflexionsschichten, wird bereits beim Druck durch Auftrag der Druckfarbe das jeweilige Motiv erzeugt.The
In Durchlicht wirken die beiden Reflexionsstrukturen der oberen Reflexionsschicht 8 und der unteren Reflexionsschicht 14 zusammen. In Draufsicht, insbesondere in schräger Draufsicht, sieht man hingegen nicht nur die durch die Prägestrukturen 11 und 12 erzeugten Prägemotive, sondern kann ggf. zusätzlich auch die Struktur und damit das Motiv in der oberen bzw. unteren Reflexionsschicht 8,14 erkennen. So stellt das Sicherheitselement 1 insgesamt fünf verschiedene Motive zur Verfügung. Zusätzlich zu den bereits anhand der
Das Sicherheitselement 1 der
Betrachtet man das Sicherheitselement 1 hingegen im Durchlicht, beispielsweise unter Beleuchtung von der Rückseite RS und in Betrachtung von der Vorderseite VS her, erkennt man die Strukturen und damit die Motive in den Reflexionsschichten 8,14. Somit ist als drittes Sicherheitsmerkmal das in Durchsicht erscheinende Motiv der Reflexionsschichten gebildet. Dabei wirken die Strukturen der oberen Reflexionsschicht 8 und der unteren Reflexionsschicht 14 zusammen, wenn das Sicherheitselement 1 im Durchlicht betrachtet wird. Für das in der oberen Reflexionsschicht 8 bzw. der unteren Reflexionsschicht 14 eingearbeitete Motiv kann eine Linienbreitenrasterung verwendet werden, vorzugsweise mit einer Linienbreite zwischen 20 µm und 200 µm, besonders bevorzugt zwischen 50 µm und 150 µm.On the other hand, if the
Ordnete man nun die Linienrichtungen der oberen Reflexionsschichtstruktur 15 und der unteren Reflexionsschichtstruktur 18 vollständig parallel an, so ergäbe sich, wie
Sind die Linienraster noch leicht verkippt zueinander, was in der Praxis leicht passieren kann, so ergibt sich ähnlich wie bei unzureichender Passerung in
Um solche Störungen der Wahrnehmbarkeit zu vermeiden, ist deshalb dafür Sorge getragen, dass die Linienraster der oberen Reflexionsschichtstruktur 15 und der unteren Reflexionsschichtstruktur 18 möglichst rechtwinklig zueinander liegen. Wie
In der Praxis hat sich gezeigt, dass bei einem Winkelbereich zwischen 60° und 120° (d. h. 90° +/- 30°), bevorzugt zwischen 70° und 110° und ganz besonders bevorzugt zwischen 80° und 100°, d. h. 90° +/-10°, eine fast nicht wahrnehmbare, auf jeden Fall tolerierbare Störung der Motive, die in der oberen Reflexionsschichtstruktur 15 und/oder der unteren Reflexionsschichtstruktur 18 durch Linienbreitenrasterung eingearbeitet sind, festzustellen ist. Je rechtwinkliger die Linienraster liegen, desto geringer ist eine eventuelle Störung. Je nach Aufwand, der bei der Herstellung möglich ist, kann dabei die oben genannte Abweichung von der Rechtwinkligkeit toleriert werden.In practice, it has been found that at an angle range between 60 ° and 120 ° (i.e., 90 ° +/- 30 °), preferably between 70 ° and 110 °, and most preferably between 80 ° and 100 °, d. H. 90 ° +/- 10 °, an almost imperceptible, in any case tolerable disturbance of the motives, which are incorporated in the upper
Der Träger 3 kann transparent ausgebildet werden. Dann ist das in Durchlichtbetrachtung erscheinende Bild besonders klar. Verwendet man einen nur transluzenten Träger 3, steigt auf Kosten der Qualität des Durchlichtbildes die Trennung des von der Vorderseite VS durch die Prägestruktur 11 gebildeten Bildes von dem an der Rückseite RS durch die untere Prägestruktur 12 bewirkten Bildes.The
Möchte man an mindestens einer Seite des Sicherheitselementes 1 eine glatte Oberfläche haben, kann zweckmäßigerweise noch eine Deckschicht 21 auf dieser entsprechenden Seite angebracht werden. Dies ist in
Claims (9)
- A security element for security papers, value documents with- a carrier (3), which is at least partially transparent or translucent and has an upper face (4) and a lower face (5),- an upper embossing lacquer layer (9) which is applied to the upper face (4) and in which an upper embossed structure is formed,- a lower embossing lacquer layer (10) which is applied to the lower face (5) and in which a lower embossed structure is formed,- an upper reflective layer (8), which is arranged on the upper embossing lacquer layer (9) and has an upper reflective layer structure (15), and- a lower reflective layer (14), which is arranged on the lower embossing lacquer layer (10) and has a lower reflective layer structure (18),
wherein- the lower reflective layer structure (18) and the upper reflective layer structure (15) together are visible when viewed with transmitted light as a transparency motif and- the lower reflective layer structure (18) and the upper reflective layer structure (15) are each generated by a line half-tone, wherein a line direction of the upper reflective layer structure (15) lies across a line direction of the lower reflective layer structure (18), preferably at an angle of from 60 to 120 degrees. - The security element according to claim 1, in which the upper reflective layer structure (15) and the lower reflective layer structure (18) each form a motif, wherein the two motifs jointly form a combined motif when viewed with transmitted light.
- The security element according to claim 1 or 2, in which at least one of the upper face (4) and the lower face (5) is provided with a treatment improving the embossing lacquer adhesion.
- The security element according to one of the above claims, in which at least one of the upper and lower embossed lacquer layer comprises a UV-curing embossing lacquer.
- The security element according to one of the above claims, in which the carrier (3) is provided with a matting coating.
- A value document with a security element according to one of claims 1 to 5.
- A method for manufacture of a security element for security papers, value documents in which- a carrier (3) having an upper face (4) and a lower face (7) is provided with an upper embossing lacquer layer (9) on the upper face (4) and, on top of that, with an upper reflective layer (8), and with a lower embossing lacquer layer (10) on the lower face (4) and, on top of that, with a lower reflective layer (14), wherein- an upper embossed structure (11) is introduced into the upper embossing lacquer layer (9) and a lower embossed structure (12) into the lower embossing lacquer layer (10),- the upper reflective layer (8) is provided with an upper reflective layer structure (15) and the lower reflective layer (14) is provided with a lower reflective layer structure (18),
wherein- the lower reflective layer structure (15) and the upper reflective layer structure (18) together are visible under transmitted light as transparency information and- the lower reflective layer structure (18) and the upper reflective layer structure (15) are each generated by a line half-tone, wherein a line direction of the upper reflective layer structure (15) lies across a line direction of the lower reflective layer structure (18), preferably at an angle of from 60 to 120 degrees. - The method according to claim 7, in which at least one of the upper face (4) and the lower face (5) is provided with a treatment improving the embossing lacquer adhesion.
- The method according to claim 7 or 8, in which a UV-curing embossing lacquer is used for at least one of the upper and lower embossing lacquer layer (9, 10).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009031387A DE102009031387A1 (en) | 2009-07-01 | 2009-07-01 | Security element and manufacturing method therefor |
PCT/EP2010/059302 WO2011000878A1 (en) | 2009-07-01 | 2010-06-30 | Security element, and method for the production thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2448767A1 EP2448767A1 (en) | 2012-05-09 |
EP2448767B1 true EP2448767B1 (en) | 2013-09-18 |
Family
ID=42676824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10730428.9A Not-in-force EP2448767B1 (en) | 2009-07-01 | 2010-06-30 | Security element, and method for the production thereof |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2448767B1 (en) |
AU (1) | AU2010268081B2 (en) |
DE (1) | DE102009031387A1 (en) |
MX (1) | MX2012000033A (en) |
WO (1) | WO2011000878A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3501840A1 (en) | 2017-12-21 | 2019-06-26 | Giesecke+Devrient Currency Technology GmbH | Method for producing a multilayer film security element |
EP4223549A4 (en) * | 2020-09-29 | 2024-03-13 | Toppan Inc. | DISPLAY BODY |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201007042D0 (en) † | 2010-04-28 | 2010-06-09 | Rue De Int Ltd | Printed security feature and method of manufacture |
DE102011100979A1 (en) * | 2011-05-10 | 2012-11-15 | Giesecke & Devrient Gmbh | Security element and the same equipped disk |
EP3010008B1 (en) * | 2013-06-10 | 2018-10-24 | Toppan Printing Co., Ltd. | Multiple-image display body |
AU2017321973B2 (en) | 2016-09-02 | 2024-09-05 | Dana-Farber Cancer Institute, Inc. | Composition and methods of treating B cell disorders |
DE102018005454A1 (en) * | 2018-07-09 | 2020-01-09 | Giesecke+Devrient Currency Technology Gmbh | Optically variable security element with reflective surface area |
WO2020037002A1 (en) * | 2018-08-13 | 2020-02-20 | Crane & Co., Inc. | Lens-less micro-optic film |
DE102019003214A1 (en) * | 2019-05-07 | 2020-11-12 | Giesecke+Devrient Currency Technology Gmbh | Decorative element with multilayer structure and decorative equipment |
DE102019005707A1 (en) * | 2019-08-14 | 2021-02-18 | Giesecke+Devrient Currency Technology Gmbh | Optically variable security element |
DE102019005705A1 (en) * | 2019-08-14 | 2021-02-18 | Giesecke+Devrient Currency Technology Gmbh | Optically variable security element |
US12187064B2 (en) * | 2020-09-11 | 2025-01-07 | De La Rue International Limited | Security devices and methods of manufacture thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2238384C (en) * | 1995-11-28 | 2007-01-16 | Electrowatt Technology Innovation Ag | Optical information carrier |
GB2350319B (en) * | 1996-06-14 | 2001-01-10 | Rue De Int Ltd | Security printed device |
DE10226114A1 (en) | 2001-12-21 | 2003-07-03 | Giesecke & Devrient Gmbh | Security element for security papers and documents of value |
US20060151989A1 (en) * | 2002-10-07 | 2006-07-13 | Sani Muke | Embossed optically variable devices |
DE102004035979A1 (en) | 2004-07-14 | 2006-02-02 | Giesecke & Devrient Gmbh | Security element and method for its production |
-
2009
- 2009-07-01 DE DE102009031387A patent/DE102009031387A1/en not_active Withdrawn
-
2010
- 2010-06-30 EP EP10730428.9A patent/EP2448767B1/en not_active Not-in-force
- 2010-06-30 MX MX2012000033A patent/MX2012000033A/en active IP Right Grant
- 2010-06-30 AU AU2010268081A patent/AU2010268081B2/en not_active Ceased
- 2010-06-30 WO PCT/EP2010/059302 patent/WO2011000878A1/en active Application Filing
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3501840A1 (en) | 2017-12-21 | 2019-06-26 | Giesecke+Devrient Currency Technology GmbH | Method for producing a multilayer film security element |
EP4223549A4 (en) * | 2020-09-29 | 2024-03-13 | Toppan Inc. | DISPLAY BODY |
Also Published As
Publication number | Publication date |
---|---|
MX2012000033A (en) | 2012-05-08 |
DE102009031387A1 (en) | 2011-01-05 |
AU2010268081B2 (en) | 2015-05-21 |
AU2010268081A1 (en) | 2012-01-19 |
WO2011000878A1 (en) | 2011-01-06 |
EP2448767A1 (en) | 2012-05-09 |
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