EP2646256A1 - Support de données à marquage - Google Patents

Support de données à marquage

Info

Publication number
EP2646256A1
EP2646256A1 EP11788058.3A EP11788058A EP2646256A1 EP 2646256 A1 EP2646256 A1 EP 2646256A1 EP 11788058 A EP11788058 A EP 11788058A EP 2646256 A1 EP2646256 A1 EP 2646256A1
Authority
EP
European Patent Office
Prior art keywords
data carrier
security element
identification part
substrate
laser
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11788058.3A
Other languages
German (de)
English (en)
Other versions
EP2646256B1 (fr
Inventor
André Gregarek
Thomas Mang
Patrick Renner
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
Priority to PL11788058T priority Critical patent/PL2646256T3/pl
Publication of EP2646256A1 publication Critical patent/EP2646256A1/fr
Application granted granted Critical
Publication of EP2646256B1 publication Critical patent/EP2646256B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/41—Marking using electromagnetic radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/23—Identity cards
    • 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
    • B42D25/328—Diffraction gratings; Holograms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/355—Security threads
    • 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
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/43—Marking by removal of material
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/03—Forms or constructions of security seals
    • G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
    • G09F3/0341—Forms or constructions of security seals characterised by the type of seal used having label sealing means
    • B42D2033/04—
    • B42D2033/10—
    • B42D2033/20—
    • B42D2033/22—
    • B42D2033/24—
    • B42D2033/28—
    • B42D2033/30—
    • B42D2033/32—
    • B42D2035/24—
    • B42D2035/36—
    • B42D2035/50—
    • 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
    • B42D25/324—Reliefs
    • 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
    • B42D25/346—Perforations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers

Definitions

  • the invention relates to a data carrier, in particular a document of value, such as a banknote, identity card and the like, with a substrate and a security element connected to the substrate, wherein the data carrier contains a marking produced by the action of laser radiation, which has a visual impression changed in transmitted light compared to reflected light having.
  • the invention also relates to a method for producing such a data carrier.
  • Data carriers such as security, value or identity documents, but also other valuables, are often provided with security features for security purposes, which permit verification of the authenticity of the data carrier and at the same time serve as protection against unauthorized reproduction.
  • security features whose authenticity is checked in a transparent manner, such as the long-known watermark of paper banknotes, allow a particularly simple authenticity check by the user.
  • the present invention has the object to further improve data carriers of the type mentioned in terms of their imitation security and their visual appearance.
  • the marking having a first identification part is formed by at least one opening produced in the substrate by the action of laser radiation
  • the identification with a second identification part in the security element is formed by a modification region in which the visual appearance of the security element is modified by the action of the laser radiation -, wherein the modification region of the second identification part in the register faces the opening of the first identification part.
  • the marking has a visual impression which changes in transmitted light compared to reflected light.
  • the data carrier can be located on top of a base, for example when illuminated with daylight or artificial light.
  • the data carrier is then picked up and held against a light source.
  • the visual impression of the marking changes for the viewer.
  • the change can be in particular in the visible becoming a not visible in incident light marking part, wherein the visible identification part can appear new regardless of the visible in incident light features or supplement or expand already visible in reflected light part.
  • the first identification part has a multiplicity of straight, parallel or divergent cutting lines in the substrate and / or the second identification part has a multiplicity of straight, parallel or divergent modification lines in the security element.
  • the first identification part advantageously has a multiplicity of curved, equidistant or divergent cutting lines in the substrate and / or the second identification part has a multiplicity of curved, equidistant or divergent modification lines in the security element.
  • the cut lines and the modification lines at least partially adjoin one another without offset.
  • all modification lines connect to intersection lines without offset.
  • the cut lines or modification lines are preferably formed with a width between 0.05 mm and 1 mm.
  • the center-to-center distance is advantageously between 0.05 mm and 1.5 mm, preferably between 0.4 mm and 1.0 mm, in particular about 0.7 mm, with the center-to-center - distance can be constant (equidistant cut lines or modification lines) or variable (divergent cut lines or modification lines).
  • the modification region is formed by a material removal of the security element, in particular by a local demetallization of a metal layer or by a local removal of a color layer.
  • the modification region can also be formed by an irreversible change in the optical properties of the security element, in particular by a local change in the visible color or the transparency of the security element. In the latter case, the irreversible change, for example, in a local transformation of a transparent area into an opaque area.
  • the first and second identification part represent related or complementary information.
  • the information of the second identification part can repeat the information of the first identification part or supplement it to a total information.
  • the first identification part is completely covered by the security element.
  • the first identification part When looking at the data medium front page in supervision, the first identification part is then usually not or only barely visible. In transmitted light, however, the at least one opening of the first identification part emerges brightly illuminated. When changing from reflected light to transmitted light, this results in a striking change in the visual appearance of the marking.
  • the first identification part is partially covered by the security element and partially arranged directly next to the security element.
  • the substrate may be provided with a laser-modifiable marking substance at least in a partial region, and the at least one opening of the first identification part in this partial region may have an edge region modified by the action of laser radiation.
  • the substrate is in the Subregion provided with a marker whose visible color is changed by the action of the laser radiation, so that the at least one opening of the first marking part in this subregion has a colored edge region.
  • the substrate may be provided with a marking substance whose infrared-absorbing, magnetic, electrical or luminescent properties can be changed by the action of the laser radiation.
  • the openings of a subarea provided with such a marker substance then have an edge region with infrared-absorbing, magnetic, electrical or luminescent properties which are changed with respect to their environment and which offer a further possibility for automated authenticity testing.
  • the substrate of the data carrier may consist of paper, in particular cotton paper. Of course, it is also possible to use paper which contains a proportion of polymeric material in the range of 0 ⁇ x ⁇ 100% by weight. In likewise preferred embodiments, the substrate is a plastic, in particular a plastic film, for. B.
  • the film may also be monoaxially or biaxially stretched. Among other things, the stretching of the film leads to it obtaining polarizing properties which can be used as a further authenticity feature.
  • the tools required for exploiting these properties, such as polarization filters, are known to the person skilled in the art.
  • the data carrier is a paper-film composite or a film composite in which the substrate and the security element are embedded between two film layers.
  • three-layer composites with a layer sequence of film / paper / film or film / film / film are suitable.
  • the security element of the data carrier is preferably a security thread, a label, a transfer element, a security print or a partial metallization.
  • the metallization can basically also be replaced by a metallic effect color, for example a metallic effect color having metallic effect pigments. Even with a metallized hologram or a similar diffraction structure, the metallization provided there can be replaced by such a metallic effect color or a high-refractive dielectric layer.
  • the modification region of the security element is formed in a metal layer.
  • the metal layer may in particular be a hologram metallization, the absorber or reflector layer of a color-shifting thin-film element, a metallic matt structure, or a metallic coating of a microstructure, for example As an array of microlenses or a sub-wavelength grating, act.
  • the invention also encompasses a method for producing a data carrier of the abovementioned type, in which a substrate is provided which is connected to a security element, and the data carrier is formed by the action of laser radiation
  • a first identification part is formed with at least one opening in the substrate, and in the same operation in the register to the opening of the first Kenn- drawing part in the Security element is formed by a modification region a second identification part, in which the visual appearance of the security element is modified by the action of the laser radiation.
  • the first and second identification part are advantageously produced by laser application with an infrared laser, preferably with a CCh laser.
  • the substrate can be provided with a laser-modifiable marking substance at least in a partial region, so that the at least one opening of the first identification part in this partial region is modified by the action of the laser radiation in its edge region.
  • the security paper is preferably provided in the subregion with a marking substance whose visible color can be changed by the action of the laser radiation, so that the at least one opening of the first marking part is provided with a colored edge region in this subregion by the action of the laser radiation.
  • the substrate provided with at least one opening is embedded with the modified security element between two films in order to form a composite film structure.
  • FIG. 1 shows schematically a banknote according to an embodiment of the invention
  • Fig. 2 shows a detail of the banknote of Fig. 1 in the region of
  • Labelling, 3 shows a cross section through the banknote along the line III-III of Fig. 2,
  • Fig. 4 shows the different visual impression of the banknote of
  • Fig. 1 when viewed from the front and back in reflected light or transmitted light, wherein (a) the visual impression in reflected light observation of the front, (b) the visual impression in transmitted light observation of the front, (c) the visual impression in incident light viewing the back and (d) shows the visual impression when the transmitted light is viewed from the back,
  • FIG. 5 shows in (a) to (d) in a representation as in FIG. 4 the different visual impression of a banknote according to another embodiment of the invention, FIG.
  • FIG. 7 and 8 in cross section in each case a data carrier according to further embodiments of the invention
  • Fig. 9 to 12 are each a detail of a plan view of a data carrier according to a further embodiment of the invention
  • FIG. 13 is a composite film banknote according to the invention in cross section, and Fig. 14 in (a) to (d) different variants for the design of the screened laser hole.
  • FIG. 1 shows schematically a banknote 10, in which a security element in the form of a metallized hologram strip 14 is applied to the banknote paper 12.
  • the hologram strip 14 shows a hologram, which consists in the embodiment of a repeated sequence of a Portrai ts 16 and the value number "50" (reference numeral 18) of the banknote 10.
  • the banknote 10 according to the invention is additionally provided with a marking 30 which has a visual impression changed in the transmitted light compared to reflected light. This altered visual impression is illustrated below in the various views of FIG. 4 and can not of course be reproduced in the schematic overall representation of FIG. 1 in a true-to-life manner.
  • FIG. 2 shows a detailed detail of the banknote 10 in the area of the marking 30, while FIG. 3 shows a cross-section along the line III-III of FIG.
  • the hologram strip 14 applied to the banknote paper 12 includes an embossing lacquer layer 20 into which the desired hologram structure 22 with the portrait 16 and the value 18 is embossed, and a hologram metallization applied to the embossing lacquer layer 20 24, for example made of aluminum.
  • the hologram 16, 18 thus represents a reflection hologram that dominates the visual impression when viewed from the front of the banknote in incident light ( Figure 4 (a)).
  • the cross-section shown in FIG. 3 is only a schematic representation and, for example, the hologram strip 14 or the banknote paper 12 can have further layers which as a rule do not contribute to the optical effect of the marking according to the invention and therefore not further illustrated.
  • the banknote substrate and / or the security element may have one or more adhesive and / or primer layers. If these layers are provided, they are possibly removed by application of laser radiation or modified in their appearance.
  • the layers shown in FIG. 3 may also be arranged differently.
  • the metallization 24 may also be arranged between the substrate 12 and the lacquer layer 20.
  • Such a variant has the additional advantage over the embodiment shown in FIG. 3 that the hologram structure and the metallization are protected from manipulation and other counterfeiting attempts by the arrangement between the substrate and the lacquer layer.
  • such embodiments may be applied to the target substrate by transfer methods.
  • the label 30 is constructed in two parts and consists of a first and a second identification part, both of which were generated in the same operation by loading the banknote paper 12 and the hologram strip 14 with laser radiation and therefore despite their different nature standing in perfect register with each other.
  • the marking 30 contains a screened laser hole 32 which is formed by a line grid of a multiplicity of parallel cut lines 34 which pass through the banknote paper 12 and the holo gram strip 14 extend therethrough.
  • the rastered laser hole 32 is generally in the form of a pattern, character, or code, and in the embodiment has the shape of a maple leaf 36 in a square frame 38.
  • the tag 30 includes a modification area 40 in which the banknote paper 12 is not cut, but in which only the metallization 24 of the hologram strip 14 has been removed in a plurality of parallel demetallization lines 42 and the visual appearance of the hologram strip 14 is thereby modified.
  • the demetallization lines 42 are fitted perfectly to the cut lines 34 located outside the modification region 40.
  • the perfect registration of demetallization lines 42 and cut lines 34 is ensured by the fact that both line types 34, 42 are generated by laser application with the same processing laser beam in the same operation.
  • the different processing results, on the one hand the cutting of the hologram strip 14 and the banknote paper 12 and on the other hand only the demetallization of the logramme metallization 24, are achieved by a corresponding variation of the laser parameters, in particular the laser power and / or the cutting speed during the machining process.
  • the region of the cutting lines 34 is covered on both sides with a transparent film 50.
  • This cover may comprise only the cut line area, or may extend over a larger area, for example the entire banknote 10.
  • Such a cover can be realized particularly well in the case of composite banknotes with a layer structure film / substrate with security element / foil.
  • Fig. 4 (b) shows the visual impression in the case of transmitted light observation of the front side
  • FIG. 4 (c) shows the visual impression in reflected light observation of the rear side
  • FIG. 4 (d) shows the visual impression in transmitted light observation of the rear side.
  • the reflection hologram 16, 18 of the hologram strip 14 dominates the visual impression.
  • the outer contour 38 of the screened laser hole is faintly discernible, but the shape of the maple leaf 36 is not, since the perfectly matched demetalization lines 42 and cut lines 34 for the eye have only a very small difference in contrast.
  • the hologram anyway outshines the rasterized laser hole 32 and the modification region 40. Because of the small difference in contrast between the demetalization lines 42 and the cut lines 34, the inner motif "maple leaf" 36 is also under viewing angles. from which the hologram 16, 18 is difficult to see, not recognizable.
  • the design 36 of the screened laser hole 32 surprisingly comes to the fore, as shown in FIG. 4 (b).
  • the line grid of the cut lines 34 in the transmitted light shines bright against the dark background of the metallic tion 24 of the hologram strip 14.
  • the outline of the maple leaf 36 and the demetallization lines 42 are also clearly visible in transmitted light, but because of the paper substrate 12 still present in the modification area 40 with lower brightness. Overall, the change from reflected light to transmitted light thus results in a striking change in the visual appearance of the marking 30.
  • Fig. 4 (c) when the reverse side of the bill 10 is viewed incidentally, the design 36 of the scanned laser hole 32 is clearly visible through the cut lines 34 in the bill paper.
  • the hologram strip 14 applied on the front side and the demetallization lines 42 can not be seen on the rear side in reflected light, so that the interior of the maple leaf 36 appears without structure.
  • the banknote reverse side can also be provided there with a substantially opaque layer, in particular a dye-accepting layer.
  • the visual impression of the banknote 10 When viewed from the rear side by transmitted light, the visual impression of the banknote 10 substantially corresponds to the front impression. As shown in FIG. 4 (d), both the line grid of the cut lines 34 and the demetallization lines 42 are clearly visible in the transmitted light against the dark background of the metallization 24.
  • the screened laser hole can protrude laterally out of the hologram strip 14.
  • the user recognizes from the front of the banknotes already in reflected light part of the screened laser hole and is thereby stimulated for review viewing.
  • another design namely the reflected light of the Hologram strip 14 hidden or dominated part of the screened laser hole.
  • FIGS. 5 and 6 This surprising supplementary effect is illustrated in FIGS. 5 and 6 on the basis of two exemplary embodiments.
  • the embodiment of FIG. 5 is based on the embodiment of FIG. 4, however, the notched laser hole 32 of FIG. 5 not only includes the design of a maple leaf 36 in square frame 38 which is covered by the hologram strip 14, but additionally includes a design 60, in which the value "50" (reference numeral 62) is arranged in an elliptical frame 64.
  • This design part 60 of the screened laser hole 32 is arranged laterally next to, but immediately adjacent to, the hologram strip 14, and is therefore also visible when the banknote front side is illuminated, as shown in FIG. 5 (a). If the user now holds the bill against the light to better recognize the design 60, the visual impression of the design 60 surprisingly adds to the design of the maple leaf 36 in the square frame 38, as shown in Figure 5 (b). The appearance when viewed from the banknotes back side except for the additional existing design part 60 corresponds to that of FIG. 4. When viewed in incident light, the maple leaf 36 and the value 62 of the screened laser hole 32 are clearly visible through the cut lines 34 in the banknote paper, as in Fig. 5 (c).
  • the interior of the maple leaf 36 appears to be structureless since the hologram strip 14 applied on the front side and the demetallization lines 42 on the rear side can not be seen in reflected light. In transmitted light then occur in addition demetallization lines 42, which together with the cutting lines 34 before the dark Background of the metallization 24 bright, as shown schematically in Fig. 5 (d).
  • the security element used according to the invention does not necessarily have to contain a hologram.
  • the modification of the visual appearance for example in the demetallization of a metal layer, for example the absorber or reflector layer of a color-shifting thin-film element, in the demetalization of a matt structure, in a color removal of a color layer or the partial or complete removal of another layer of the security element.
  • the removal can extend through the entire security element into the substrate of the data carrier, for example into the banknote paper, so that a watermark effect is additionally generated there.
  • a layer of the security element can also be provided with a laser-sensitive feature substance, which experiences an irreversible change, for example a color change, as a result of the action of the laser radiation.
  • FIG. 7 shows in cross-section a data carrier 80 according to an embodiment of the invention, in which a security element with a metal layer 84 is applied to a paper substrate 82.
  • a security element with a metal layer 84 is applied to a paper substrate 82.
  • through openings 86 were introduced into the metal layer 84 and the paper substrate 82 by the action of laser radiation.
  • demetallization lines 88 were only introduced into the metal layer 84, in which the visual appearance of the security element is modified.
  • the reduced laser power in the modification region 85 has been adjusted such that not only the metal of the metal layer 84 is removed during the production of the demetivation lines 88, but also thin spots 90 are produced in the paper substrate 82. at When viewed in transmitted light, the modification area 85 additionally shows a watermark effect.
  • a modification of the security element for example by a material removal or a color change, generally allows a more complex design than a through opening. It therefore makes sense to implement a motif that has more complex and less complex motivational proportions through a combination of opening and modification.
  • a security element patch with a metal layer 102 is applied to a paper substrate 100 of a banknote.
  • the marking 104 represents a coat of arms motif and is formed in a first identification part by a laser-cut opening 106 in the paper substrate 100.
  • the tag 104 is formed by a plurality of demetallization lines 108 in the metal layer 102 in which the visual appearance of the security tag patch is modified.
  • the greater complexity of the tag 104 in the modification region with the demetallization lines 108 over the laser cut aperture 106 is readily apparent.
  • the cut lines of the opening 106 and the demetallization lines 108 of the metal layer 102 are perfectly matched to one another at the locations where they meet, so that a uniform design results in transmitted light.
  • FIG. 10 shows a further embodiment of a data carrier with an identification 114 produced by laser application. Similar to the embodiment of FIG. 9, a security element patch with a metal layer 112 is formed on a paper substrate 110 of a banknote. introduced.
  • the mark 114 in this exemplary embodiment represents a star motif that is formed in a first identification part by a laser-cut opening 116 in the paper substrate 110.
  • the label 114 is formed by a plurality of demetallization lines 118 in the metal layer 112 in which the visual appearance of the security element patch is modified.
  • the cutting of the opening 116 and the generation of the demetallization lines 118 take place in the same operation by the same laser beam, so that the modification area with the demetallization lines 118 is perfectly matched to the opening 116.
  • the pentagonal end elements 118 brightly illuminate the inner part 116, which already appears bright in incident light, to form the complete star motif 116, 18.
  • the data carrier again contains a security element, such as the windowed security thread 122 of FIG. 11 embedded in a banknote paper 120. Then, by laser application in the banknote paper 120, a rastered laser hole 124 of a plurality of parallel cutting lines 126 is generated Window security thread 122 overlaps.
  • the laser parameters are chosen so that the laser radiation in addition to the banknote paper 120 also cuts through the carrier film of the security thread 122. Subsequently, at least the cut region is covered with one or both sides each with a further film.
  • Such a combination can be used with particular advantage in laminated film banknotes, especially in composite film banknotes with a layer structure film / paper / foil, since the two outer films then not only protect the security element 122 from manipulation and prevent contamination, but there such a design as well allows to make forgery attacks by splitting the composite banknote, as described in more detail below.
  • a plastic substrate is used instead of a paper substrate 120
  • the described design can also be used in composite film banknotes with a layer structure film / film / film.
  • Fig. 12 shows a further design of a data carrier, with which a window security thread is simulated.
  • a continuous security thread 132 was first applied to the banknote paper 130 of a banknote, which was provided with a metal layer with a negative writing 134.
  • several identical openings 136 were then cut into the data carrier by the action of laser radiation, the laser parameters being selected so that the laser radiation cuts through both the banknote paper 130 and the security thread 132.
  • the combination of the applied security thread 132 and the openings 136 thus creates for the viewer the visual impression of a window security thread.
  • the invention can be used with particular advantage in laminated film banknotes, in which the outer film layers also serve to cover the openings produced by the laser radiation.
  • This is illustrated in general form in FIG. 13.
  • the composite film banknote 140 according to the invention has a substrate 142 made of paper or foil, which is connected to a security element 144.
  • a marking 150 which has a changed in transmitted light compared to incident light visual impression.
  • a first identification part is formed by at least one opening 152 in the substrate 142, while a second identification part is formed in the security element 144 by a modification region 154, in which the visual appearance of the security element 144 is modified by the action of the laser radiation.
  • the laser energy or laser power is usually lowered when passing the laser beam at the transition from the cutting region 152 into the modification region 154 and vice versa during the transition from the modification region 154 in FIG the cutting area 152 increases again. This ensures that the two marking parts, despite their different character, are in perfect register with each other.
  • cut substrate 142 and the modified security element 144 are sandwiched between two sheets 156 to form the desired composite sheet banknote 140.
  • the two outer films 156 can protect the security element not only against manipulation and contamination, but by the laser cut can also be formed an additional security feature that makes counterfeiting attacks by splitting the composite film banknote obvious ("tamper evident"). Namely, if a film of the composite is severed by the laser and the substrate scratched relatively deep or even completely severed, the composite foil banknote splits asymmetrically. The laser cut must form a closed contour. On the note page, which was not cut by the laser, the contour is then retained, while in the other note page a corresponding hole is created. If the laser cut is introduced in the area of another authenticity feature, this feature is also destroyed during splitting. A manipulation attempt becomes obvious.
  • the cutting lines 162 and the modification lines 172 of the rastered laser holes 160 need not necessarily be straight and parallel, as assumed for simplicity in the previous embodiments and shown again in Fig. 14 (a). Rather, the halftone laser holes 160 may also include, for example, straight and divergent cut lines 164 and modification lines 174, respectively, as shown in FIG. 14 (b) or curved equidistant cut lines 166 and modification lines 176, respectively, as shown in FIG. 14 (c) ) or also curved, divergent cut lines 168 and modification lines 178, respectively, as shown in FIG. 14 (d).
  • the widths of the cutting lines in the substrate and the modification lines in the security element may differ from one another due to the generally Gaussian energy distribution of the laser beam.
  • the cutting lines of all embodiments can be provided with a laser-modified edge region, as generally described above.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

L'invention concerne un support de données, en particulier un document de valeur, tel qu'un billet de banque, une carte d'identité et similaire, comprenant un substrat (12) et un élément de sécurité (14) relié au substrat (12), le support de données contenant un marquage (30) produit sous l'effet d'un rayonnement laser, qui présente une impression visuelle changeante selon qu'elle est exposée à la lumière transmise ou à la lumière incidente. Selon l'invention, le marquage (30) est formé par une première partie de marquage dans au moins une ouverture (32) produite sous l'effet du rayonnement laser dans le substrat (12), et par une deuxième partie de marquage dans l'élément de sécurité (14) dans une zone de modification (40) dans laquelle l'aspect visuel de l'élément de sécurité (14) est modifié sous l'effet du rayonnement laser. La zone de modification (40) de la deuxième partie de marquage est en repère par rapport à l'ouverture (32) de la première partie de marquage.
EP11788058.3A 2010-12-01 2011-11-24 Support de données à marquage Active EP2646256B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11788058T PL2646256T3 (pl) 2010-12-01 2011-11-24 Nośnik danych z oznaczeniem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010053052A DE102010053052A1 (de) 2010-12-01 2010-12-01 Datenträger mit Kennzeichnung
PCT/EP2011/005914 WO2012072214A1 (fr) 2010-12-01 2011-11-24 Support de données à marquage

Publications (2)

Publication Number Publication Date
EP2646256A1 true EP2646256A1 (fr) 2013-10-09
EP2646256B1 EP2646256B1 (fr) 2016-03-02

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EP11788058.3A Active EP2646256B1 (fr) 2010-12-01 2011-11-24 Support de données à marquage

Country Status (6)

Country Link
EP (1) EP2646256B1 (fr)
CN (1) CN103338942B (fr)
DE (1) DE102010053052A1 (fr)
ES (1) ES2570660T3 (fr)
PL (1) PL2646256T3 (fr)
WO (1) WO2012072214A1 (fr)

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WO2016016128A1 (fr) * 2014-07-28 2016-02-04 Bundesdruckerei Composite multicouche et procédé fabrication de celui-ci ainsi que composite multicouche pour document de sécurité et/ou de valeur
DE102014217002A1 (de) * 2014-08-26 2016-03-03 Bundesdruckerei Gmbh Farbige Lasergravur
DE102014118366A1 (de) * 2014-12-10 2016-06-16 Ovd Kinegram Ag Mehrschichtkörper und Verfahren zu dessen Herstellung
DE102015003785A1 (de) 2015-03-23 2016-09-29 Giesecke & Devrient Gmbh Verfahren zum Herstellen eines Fensters in einem Papiersubstrat mit einem Sicherheitselement
DE102015004027A1 (de) * 2015-03-27 2016-09-29 Giesecke & Devrient Gmbh Sicherheitselement mit Effektpigmenten und einer Prägestruktur sowie Verfahren zu dessen Herstellung
EP3095615A1 (fr) * 2015-05-20 2016-11-23 Polska Wytwornia Papierow Wartosciowych S.A. Document de sécurité et procédé de fabrication d'un document de sécurité
DE102015008971A1 (de) * 2015-07-10 2017-01-12 Giesecke & Devrient Gmbh Sicherheitselement und Datenträger
DE102015009164A1 (de) † 2015-07-14 2017-01-19 Giesecke & Devrient Gmbh Datenträger mit Durchbrechungsbereich
DE102015014039A1 (de) * 2015-10-30 2017-05-04 Giesecke & Devrient Gmbh Sicherheitselement mit einer optisch variablen Struktur
DE102016002120A1 (de) 2016-02-24 2017-08-24 Giesecke & Devrient Gmbh Sicherheitsmerkmal und Verfahren zu dessen Herstellung
DE102016004424A1 (de) 2016-04-12 2017-10-12 Giesecke+Devrient Currency Technology Gmbh Laserung einer Beschichtung mit Effektpigmenten
DE102016006931A1 (de) * 2016-06-06 2017-12-07 Giesecke+Devrient Currency Technology Gmbh Sicherheitsmerkmal und Verfahren zu dessen Herstellung
DE102016006929A1 (de) 2016-06-06 2017-12-07 Giesecke+Devrient Currency Technology Gmbh Sicherheitsmerkmal und Verfahren zu dessen Herstellung
DE102016009437A1 (de) 2016-08-03 2018-02-08 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement und Verfahren zur Herstellung eines Sicherheitselements
DE102016014845A1 (de) 2016-12-13 2018-06-14 Giesecke+Devrient Currency Technology Gmbh Laserschneiden und Laserverfärben von Sicherheitsdokumenten
FR3061077B1 (fr) * 2016-12-23 2021-02-12 Arjowiggins Security Document securise
EP3431304B1 (fr) * 2017-07-18 2020-05-20 Agfa-Gevaert Procédé permettant de fournir un ovd sur un document de sécurité par marquage au laser
DE102017118579A1 (de) * 2017-08-15 2019-02-21 Leonhard Kurz Stiftung & Co. Kg Dokument, Verfahren zur Herstellung eines Dokuments sowie eine Vorrichtung zur Durchführung eines Verfahrens
CA2978877C (fr) 2017-09-11 2023-04-04 Canadian Bank Note Company, Limited Methode de fabrication de fenetre, filigrane integre et autres caracteristiques de securite integrees dans un document de securite thermoplastique
EP3591642A1 (fr) * 2018-07-02 2020-01-08 UPM Raflatac Oy Étiquette de scellement
DE102018005990A1 (de) 2018-07-27 2020-01-30 Giesecke+Devrient Currency Technology Gmbh Verfahren zur Herstellung eines Sicherheitsmerkmals mittels Laserstrahlung
GB2576573C (en) * 2018-08-24 2024-02-21 Hid Cid Ltd A security sheet and a security booklet
DE102019006255A1 (de) * 2019-09-04 2021-03-04 Giesecke+Devrient Currency Technology Gmbh Gegen Spaltung geschütztes Sicherheitspapier und Wertdokument
EP4029702B1 (fr) * 2021-01-13 2024-09-11 MB Automation GmbH & Co. KG Support de données, son procédé de fabrication et document de valeur ou de sécurité
DE102021000626A1 (de) * 2021-02-08 2022-08-11 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement zur Einbettung in ein Sicherheitsdokument
CN117881550A (zh) * 2021-08-11 2024-04-12 捷德电子支付有限责任公司 用于制造防伪特征的方法、用于数据载体的防伪特征、数据载体和层压板
DE102021004132A1 (de) * 2021-08-11 2023-02-16 Giesecke+Devrient Mobile Security Gmbh Sicherheitsmerkmal für einen Datenträger und Datenträger

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DE102004039355A1 (de) * 2004-08-12 2006-02-23 Giesecke & Devrient Gmbh Sicherheitselement und Verfahren zu seiner Herstellung
DE102005022018A1 (de) * 2005-05-12 2006-11-16 Giesecke & Devrient Gmbh Sicherheitspapier und Verfahren zu seiner Herstellung
DE102007036623A1 (de) * 2007-07-03 2009-01-08 Giesecke & Devrient Gmbh Sicherheitsmerkmal und Verfahren zu seiner Herstellung
DE102008012419A1 (de) * 2007-10-31 2009-05-07 Bundesdruckerei Gmbh Polymerschichtverbund für ein Sicherheits- und/oder Wertdokument, Verfahren zu dessen Herstellung sowie Sicherheits- und/oder Wertdokument
DE102008046513A1 (de) * 2008-09-10 2010-04-29 Giesecke & Devrient Gmbh Verfahren zur Herstellung eines Sicherheits-oder Wertdokuments
DE102009011424A1 (de) 2008-12-22 2010-07-01 Giesecke & Devrient Gmbh Datenträger mit Durchsichtsbereich

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Publication number Publication date
DE102010053052A1 (de) 2012-06-06
CN103338942A (zh) 2013-10-02
EP2646256B1 (fr) 2016-03-02
PL2646256T3 (pl) 2016-08-31
CN103338942B (zh) 2016-08-24
ES2570660T3 (es) 2016-05-19
WO2012072214A1 (fr) 2012-06-07
RU2013129708A (ru) 2015-01-10

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