EP3215371A1 - Support de données comprenant un élément de sécurité transparent - Google Patents

Support de données comprenant un élément de sécurité transparent

Info

Publication number
EP3215371A1
EP3215371A1 EP15787134.4A EP15787134A EP3215371A1 EP 3215371 A1 EP3215371 A1 EP 3215371A1 EP 15787134 A EP15787134 A EP 15787134A EP 3215371 A1 EP3215371 A1 EP 3215371A1
Authority
EP
European Patent Office
Prior art keywords
core layer
insert
data carrier
carrier according
layer
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
EP15787134.4A
Other languages
German (de)
English (en)
Other versions
EP3215371B1 (fr
Inventor
Bernhard Wiedner
André Gregarek
Patrick Renner
Thomas Gerhardt
Matthias Pfeiffer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giesecke and Devrient Currency Technology GmbH
Original Assignee
Giesecke and Devrient Currency Technology 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 Currency Technology GmbH filed Critical Giesecke and Devrient Currency Technology GmbH
Priority to PL15787134T priority Critical patent/PL3215371T3/pl
Publication of EP3215371A1 publication Critical patent/EP3215371A1/fr
Application granted granted Critical
Publication of EP3215371B1 publication Critical patent/EP3215371B1/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
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/351—Translucent or partly translucent parts, e.g. windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • 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
    • B42D25/333—Watermarks
    • 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
    • B42D25/30—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
    • B42D25/435—Marking by removal of material using electromagnetic radiation, e.g. laser
    • 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
    • B42D25/44—Marking by removal of material using mechanical means, e.g. engraving

Definitions

  • the invention relates to a data carrier, in particular a value or security document, with a composite substrate, which comprises a core layer and at least one cover layer, and which is provided with a see-through security element.
  • the invention also relates to a method for producing such a data carrier.
  • Data carriers such as valuables or identity documents, but also other valuables, such as branded goods, are often provided with security elements for the purpose of security, which permit verification of the authenticity of the data carrier and at the same time serve as protection against unauthorized reproduction.
  • Increasingly transparent security features, such as transparent windows in banknotes are becoming increasingly attractive.
  • a film provided with an adhesive layer on one side is applied to a banknote in order to close a previously inserted through opening.
  • the film is provided with a security feature, such as a hologram or an optically variable coating.
  • the present invention has the object to provide a data carrier of the type mentioned with a visually attractive and inexpensive to produce see-through security element.
  • the see-through security element is a paper cut window.
  • a region of the core layer of the composite substrate is provided, which is provided with a continuous opening with an internally located, coherent and consisting of the core layer material insert in motif form, wherein the through-opening has a peripheral edge contour, along which the Insole is connected to at least one narrow web portion with the outer regions of the core layer, that the continuous opening comprises the contiguous insert in motif form and at least one preferably non-circular recess.
  • the motif-shaped insert produces the visual impression of a scissor cut, especially when viewed in phantom, so that the see-through security element thus formed is referred to as a scissors cutting window.
  • the coherent insert in motif form can be both internally and externally connected.
  • an internally related insert means an insert in which two points of the insert are always connected by an internal path on the insert, ie a path that runs only in the interior of the insert and not over the narrow web areas leads into the outer areas of the core layer. If the deposit is only externally connected, there are subareas of the deposit in which two points can not be connected by an internal path, but in which a path exists between the two points via one or more land areas into the core layer.
  • the insert is either internally contiguous or it is merely externally contiguous and consists of a small number of at most five, preferably of only two or three, each internally related sub-areas.
  • the Scheren- cut window according to the invention not only has a visually attractive, very high-contrast appearance, it also represents a real substrate-based, usually tactile security element with high circulation resistance by its embedding in a composite substrate, the abrasion and Pollution is well protected, can be arranged in register to other security features of the core or cover layers and also can be produced inexpensively by laser cutting the core layer.
  • the insert is connected at two or more narrow web areas, in particular at three or more narrow land areas with the outer areas of the core layer, that the continuous opening, the contiguous insert in motif shape and a plurality of recesses, preferably a plurality includes non-circular recesses.
  • the connection of the insert to several narrow web areas increases the process reliability, since the insert is securely fixed in its position within the through opening by the web areas.
  • the width of the mentioned narrow land areas together is advantageously less than 50%, preferably less than 30%, and in particular less than 25% of the length of the peripheral edge contour.
  • the width of each of the narrow web areas is less than 30%, in particular less than 20% of the length of the peripheral edge contour, and at most one of the web areas has a width of more than 10% of the length of the peripheral edge contour.
  • the continuous opening of the paper cut window advantageously occupies an area of 20 mm ⁇ 50 mm or less, preferably 15 mm ⁇ 35 mm or less, on the data carrier.
  • the area of each of the preferably non-circular recesses is advantageously smaller than
  • the total area of the preferably non-circular recesses is greater than the area of the continuous insert in the opening.
  • the ratio of the total area of the preferably non-circular recesses to the area of the adjacent coherent insert in the opening even greater than 1.2, more preferably greater than 1.5 or even greater than 2.0.
  • the coherent insert preferably represents a geometric motif or a nature motif, in particular a plant, an animal, a human or a mythical creature.
  • Architectural or technical motifs or a combination of the aforementioned motifs are also considered for the coherent insert.
  • the motif can also have an individual component, for example a citation, batch or the like, or consist of such an individual design.
  • the peripheral edge contour also represents a motif that is preferably in a meaningful context with the motif represented by the coherent insert.
  • the peripheral edge contour and the continuous insert each represent related, complementary or mutually explanatory motif parts of an overall motif.
  • the peripheral edge contour and the insert may also both be an integral part of the same motif, as in the portraits of FIGS. 7 and 8 shown below.
  • the continuous insert may further advantageously have cut lines and / or small area recesses.
  • the cut lines may be straight or curved and multiple cut lines may form a pattern or motif as a group of parallel or equidistant or divergent cut lines. In other designs, the cut lines and small area recesses are irregular and serve to make the motif formed by the coherent insert more accurate and / or more detailed.
  • the core layer can be provided with a laser-modifiable marking substance, at least in a subarea, so that the cutting lines and small areal recesses generated by laser cutting in this subarea have an edge region modified by the action of laser radiation.
  • the core layer in the said subregion is provided with a marking substance whose visible color can be changed by the action of the laser radiation.
  • the intensity of the laser radiation used during laser cutting typically drops outward in a Gaussian fashion, there is a narrow edge region parallel to the cutting edge, in which the laser energy is no longer sufficient for cutting the core layer, but is still above the modification threshold of the marking substance.
  • the cut lines and the small areal recesses are therefore automatically generated in the area provided with the marking substance with a colored border area.
  • the cut lines in different subregions can also be provided with different colored edges. Details of suitable designs of the cutting lines and the edge modifications can be found in the documents WO 2010/072329 Al and WO 2011/154112 AI, the disclosure content of which is incorporated in the present application in this respect.
  • the composite substrate may have, in addition to the core layer, only one cover layer arranged on one side of the core layer.
  • the topsheet may be transparent or provided with other security features, as further detailed below.
  • the paper cutting window in contrast to completely filled with adhesive windows in the recesses on a clearly tactile Tiefentaktiltician.
  • the depth-tactility of the shear-cut window is combined in advantageous embodiments with a height-related nature, for example by raised pressure areas or an embossed structure.
  • One or both cover layers may have a dimension deviating from the core layer.
  • the core layer of the composite substrate may be formed by a film layer, preferably by an opaque, partially opaque or opaque printed film layer.
  • the core layer is advantageously formed by a paper layer.
  • Suitable film material for the core or cover layers are in particular PP, PE, PET, PA, PC films, coextruded films or biofilms.
  • the core layer or the cover layers can be formed from a fiber composite, in particular from nonwovens, Tyvek®, cotton paper or cellulose paper.
  • Composite substrates with a core layer composed of one fiber composite and two film cover layers as well as composite substrates made of three film layers have proven particularly useful.
  • the composite can be produced by pressure-sensitive bonding, hot lamination, extrusion processes or, at present, particularly preferred, by lamination of the core and cover layers.
  • the core layer has a further authenticity mark, in particular a print layer, a watermark, a diffractive structure, a metallization, a color area or a dot matrix perforation, the authenticity mark and the through opening are arranged with particular advantage passer exactly to each other.
  • a dot-grid perforation can be placed adjacent to a paper cut window and add tonality to the subject shown.
  • a printed layer or color surface in particular when provided in the form of a motif, can complement the motif of the through opening or together with it form an overall motif.
  • a color area can be formed by a color imprint or can also be produced for example by a laser-induced discoloration of the core layer.
  • the further authenticity mark is particularly advantageously formed by a watermark which extends at least over the region of the continuous insert, preferably also onto an area of the paper core layer surrounding the insert.
  • the watermark is, in particular, a high-resolution, multi-level watermark, as described, for example, in the publication WO 2008/071325 A1, the disclosure content of which is incorporated into the present application in this respect.
  • the watermark may, for example, represent a background backdrop for the motif of the continuous opening or the insert.
  • At least one cover layer can also be provided with a further authenticity mark, in particular with a printed layer, a watermark, a diffractive structure or a metallization, wherein the further authenticity mark and the continuous opening are arranged precisely relative to one another.
  • the through opening can be used as an exposure mask for a laser application, so that in one on one of Cover layers arranged laser-sensitive print layer or metallization passer exactly a security feature can be generated.
  • the laser application may, for example, lead to an areawise demetallization of a metal layer or to a color conversion or transparency of a printing layer, which are due to the use of the through opening as an exposure mask in the perfect register to the recesses and the coherent insert.
  • a watermark in particular a high-contrast watermark in the stencil design, can also be used as the exposure mask, the laser parameters for this being advantageously selected so that only the core layer material of the thinnest points of the watermark is removed during full-surface lasering.
  • the data carrier is transparent or translucent in the area of the non-circular recesses.
  • a pressure layer or metallization present on one of the outer cover layers is visible in incident or transmitted light.
  • Cover layers of film material can be matted over a color print or an embossing, wherein the paper cut window can be recessed. By such matting a film gloss of the cover layers can be avoided and a pronounced banknote feel can be generated.
  • the paper cut window is advantageously designed to be machine-readable, with authenticity detection being possible for example by means of ultrasound.
  • a further increase in security against counterfeiting can be achieved by combining the paper cutting window with a security thread.
  • a security thread first runs through the area of the continuous opening and is cut through at the same time as the cut-outs are cut out. This ensures that the remaining parts of the security thread are in the exact register to the recesses or the related deposit. Also possible motive elements or demetallization of the thread are in the correct sequence according to the thread design. Furthermore, with an appropriate design of the security thread, its machine readability can also be ensured.
  • the combination of the paper cutting window with a security thread also extends the design possibilities for the designer.
  • the data medium can be a value document, such as a banknote, in particular a composite film banknote, a share, a bond, a certificate, a coupon, a check, a high-quality admission ticket, but also an identification card, such as a credit card.
  • a bank card, a cash card, an authorization card, a personal ID card or a pass personalization page such as a credit card.
  • the invention also includes a method for producing a data carrier of the above-mentioned type, in which a composite substrate of a core layer and at least one cover layer is produced and provided with a see-through security element, in the core layer of the composite substrate having a through opening with an inner, coherent and consisting of the core layer material insert is generated in motif form, wherein the through opening is produced with a peripheral edge contour along which the insert so at least one narrow web Area is connected to the outer regions of the core layer, that the continuous opening comprises the contiguous insert in motivational shape and at least one preferably non-circular recess.
  • the preferred non-circular recesses of the through hole are thereby preferably produced by punching, water jet cutting or particularly preferably by laser cutting of the core layer, as well as the optionally provided in the insert cutting lines and / or small area recesses.
  • FIG. 1 is a schematic representation of a banknote with a paper cutting window according to the invention
  • FIG. 2 shows the paper cutting window of FIG. 1 in a plan view in more detail
  • Fig. 3 shows a cross section through the banknote of Fig. 1 in the region of
  • FIG. 6 shows an embodiment in which a paper cut window in a paper core layer of a banknote is combined with a watermark
  • FIGS. 7 to 9 are scissor-cut portraits according to further embodiments of the invention.
  • FIG. 1 shows a schematic representation of a banknote 10 which, in addition to conventional security features, such as a watermark 12 and a window security thread 14, is equipped with a silhouette window 16, which shows a high-contrast, silhouette-like motif, in the exemplary embodiment a sitting fox.
  • the areas shown in black in the figure in the scissors window 16 thereby represent transparent areas of the banknote, while the areas shown in white represent opaque banknote areas.
  • the motif of the paper cut window 16 is already easily recognizable in supervision and emerges when viewed in transparency with high contrast.
  • the shear cutting window 16 presents itself as a true substrate-based, generally tactile security element which is completely protected against abrasion and contamination, can be arranged in register with further security features and can also be produced cost-effectively.
  • the paper cut window 16 in FIG. 2 is shown in more detail in plan view. 3 shows a cross section through the banknote 10 in the region of the paper cut window 16 along the line III-III of FIG. 2.
  • the bill 10 has a composite substrate 30 that includes a middle core layer 32 of paper and two film topsheets 34.
  • the film cover layers 34 are arranged above or below the paper core layer 32 and connected thereto via laminating adhesive layers 36.
  • a continuous opening 20 was introduced into the paper core layer 32 by laser cutting, which in the embodiment is designed with an elliptical peripheral edge contour 21 (FIG. 2) and contains a contiguous paper insert 22 located inside the opening 20.
  • the paper insert 22 is internally continuous, since two points of the insert can always be connected by a path running in the interior of the insert.
  • the paper insert 22 is formed in motif form, in the embodiment in the form of a sitting fox.
  • the paper insert 22 is connected to the outer regions of the paper core layer 32 at a plurality of narrow web portions 23 so that their relative position within the opening 20 is fixed.
  • the multiple connection of the paper insert 22 with the outer areas of the paper core layer 32 results in a plurality of irregularly shaped recesses 24 in the core layer 32, which are shown in black in the figures.
  • the through opening 20 of the paper cut window 16 thus comprises in particular the paper insert 22 in the shape of a fox and the irregularly shaped recesses 24, wherein adjacent recesses 24 are each separated by one of the web portions 23.
  • the paper insert 22 is additionally provided with a plurality of cutting lines 25 and with small areal recesses 26.
  • the two film cover layers 34 are not glued together in the region of the irregularly shaped recesses 24.
  • optical defects are avoided, which can be caused by a region-wise bonding and, on the other hand, good deep-tactility in the recess regions 24 is ensured.
  • the design of the paper insert 22 and the position of the web portions 23 may be selected within the opening 20 so that no too large recesses 24, in particular no recesses 24 with an area of more than 40 mm. 2 arise.
  • the shape of the recesses, the amount of laminating adhesive used, the thickness of the core and cover layers and a possible pre-coating of the cover layers can be suitably chosen to avoid a permanent bond.
  • the cover layers 34 were coated with laminating adhesive 36 before the laminating step and the coated cover layers 34 are then brought together with the core layer 32 in a laminating gap.
  • the laminating adhesive 36 for example in the kissprint process, can be applied to the core layer 32 provided with the recesses 24, as shown in the modification of FIG. Since then the areas of the recesses 24 remain adhesive-free, the cover layers 34 can be independent of each other. gig not stick together by the size of the recesses 24 during laminating.
  • the width b of the web regions 23 in the exemplary embodiment for each individual web region 23 is significantly less than 10% of the length of the circumferential edge contour 21, typically even less than 8% of the length of the peripheral edge contour 21.
  • the widths all web portions 23 together is well below 30% of the length of the peripheral edge contour 21, typically even below 25% of the length of the peripheral edge contour 21.
  • the composite substrate 30 may optionally also contain further layers 38 in addition to the previously mentioned layers, for example ink-receiving or matting layers arranged on the cover layers 34.
  • These further layers may comprise a pressure layer or a metallization, which can be modified in a register-accurate manner by the recesses 24, 25, 26, for example demetallized, color-changed or transparent.
  • the paper insert 22 of a paper cut window can not only represent a natural motif, but also, for example, a purely geometric motif, as illustrated in FIG. 5, which shows a plan view of a banknote with a geometric paper cut window 50.
  • the core layer 32 of the banknote contains a continuous opening 40 with a square peripheral edge contour 41, which is located inside the opening, internally Contains contiguous paper insert 42.
  • the paper insert 42 is formed in motif form, here in the form of a circular disk which contains a concentric cut-out square with a smaller concentric paper disc contained therein.
  • the paper insert 42 is connected to four narrow web portions 43 with the outer regions of the paper core layer 32 and thereby fixed in their relative position within the opening 40.
  • the width b of the web portions 43 is in the exemplary embodiment for each land area at about 3.5% of the length of the peripheral edge contour 41, and the width of all web portions 43 together is about 14% of the length of the peripheral edge contour 41.
  • connection of the paper insert 42 with the paper core layer 32 at the web portions 43 results in the opening 40 four non-circular recesses 44.
  • the paper insert 42 is provided with a plurality of parallel cutting lines 45 and four smaller planar recesses 46, the further develop the geometric motif represented by the paper insert 42.
  • the paper insert of a paper cut window represents a person.
  • FIG. 7 shows a plan view of a banknote with a paper cut head image, wherein the core layer 32 of the banknote contains a continuous opening 80 with a circumferential edge contour 81.
  • a paper insert is provided, which in the exemplary embodiment is only externally connected. Namely while the two sections 82 and 82 'of the paper insert are internally contiguous, there is no internal path from a point of subsection 82 to a point of subsection 82 '. The paper insert is nonetheless continuous, since for each point of the subarea 82 there always exists a path leading to the arbitrary point of the subarea 82 'via the two web areas 83 and 83'.
  • the two subregions 82 and 82 'themselves each have an internal coherence, so that the paper insert consists of two internally connected subregions.
  • the paper insert of FIG. 7 is in the form of a complex motif, namely in the form of the interior of the illustrated head image. It is connected to the outer areas of the paper core layer 32 at two narrow web areas 83, 83 'and thereby fixed in their relative position within the opening 80.
  • the paper insert 82, 82 'with the paper core layer 32 at the land areas 83, 83' results in the opening 80 a plurality of non-circular recesses 84.
  • FIG. 8 shows a plan view of a banknote with a silhouette cutaway hip image, wherein the core layer 32 of the banknote contains a through opening 90 with a peripheral edge contour 91 and an internally connected paper insert 92 located inside the opening.
  • the paper insert 92 is at a plurality of narrow web portions 93, of which in the figure only a few for illustration with reference numerals are connected to the outer regions of the paper core layer 32 and thereby fixed in their relative position within the opening 90.
  • the paper insert 92 By the connection of the paper insert 92 with the paper core layer 32 at the web portions 93 results in the opening 90, a plurality of non-circular recesses 94.
  • the paper insert 92 is provided with a number of parallel cutting lines 95 and some smaller area recesses 96, which represented H Commonndu even more detailed designed.
  • the portrait of a silhouette window can also be in the form of an inverse image representation, as illustrated in FIG. 9, which shows a plan view of a banknote with an inverse silhouette-head image.
  • the core layer 32 of the banknote contains a through opening 100 with a peripheral edge contour 101 and an internally continuous paper inside the opening 102.
  • the paper insert 102 is in the embodiment of six narrow web portions 103 with the outer regions of the paper core layer 32 and thereby fixed in their relative position within the opening 100.
  • the connection of the paper insert 102 with the paper core layer 32 at the web regions 103 results in a plurality of non-circular recesses 104 in the opening 100.
  • the paper insert 102 is provided with smaller area recesses 106 which make the illustrated head image more faithful.
  • a paper cut window can also be combined with further security features in the core layer, one of the cover layers and / or a further layer of the composite substrate, as already generally stated above.
  • examples 6 shows an embodiment in which a paper cutting window 70 in a paper core layer 32 of a banknote is combined with a watermark 72.
  • the watermark 72 may be, in particular, a high-resolution multi-level watermark, the generally complex design of which is illustrated only schematically as hatching in the figure.
  • the paper core layer 32 is provided by laser cut with a through opening 60 with an octagonal peripheral edge contour 61, which contains in its interior a contiguous paper insert 62 in the form of an eight-pointed star.
  • the paper insert 62 is connected to eight narrow web portions 63 with the outer regions of the paper core layer 32 and thereby fixed in their relative position within the opening 60.
  • the connection of the paper insert 62 with the paper core layer 32 at the web areas 63 results in eight non-circular recesses 64 in the core layer 32.
  • the watermark 72 may have a different design in the region of the paper insert 62 than in the region 74 of the paper core layer 32 surrounding the opening 60. However, the watermark 72 may also extend uniformly across the paper layer 62 and the surrounding area 74. The accuracy of the pass between the paper cutting window 70 and the watermark 72 is very high and represents an additional imitation obstacle.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • Credit Cards Or The Like (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un support de données (10), en particulier un document de valeur ou de sécurité, comprenant un substrat composite (30) qui comporte une couche centrale (32) et au moins une couche de recouvrement (34), et qui est pourvu d'un élément de sécurité transparent. Selon l'invention, l'élément de sécurité transparent présente une fenêtre de découpe aux ciseaux (16), dans la zone de laquelle la couche centrale (32) du substrat composite (30) présente une ouverture traversante (20) présentant une couche intermédiaire (22) sous forme de motif située à l'intérieur, continue et constituée du matériau de la couche centrale. L'ouverture traversante (20) présente un contour marginal périphérique (21), le long duquel la couche intermédiaire (22) est reliée aux zones de la couche centrale (32) situées à l'extérieur au niveau d'au moins une zone de liaison (23) étroite, de telle manière que l'ouverture traversante (20) entoure la couche intermédiaire continue (22) sous forme de motif et au moins un évidement (24) de préférence non circulaire.
EP15787134.4A 2014-11-04 2015-10-23 Support de données comprenant un élément de sécurité transparent Active EP3215371B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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DE102014016249.4A DE102014016249A1 (de) 2014-11-04 2014-11-04 Datenträger mit Durchsichtssicherheitselement
PCT/EP2015/002119 WO2016070965A1 (fr) 2014-11-04 2015-10-23 Support de données comprenant un élément de sécurité transparent

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GB2537830B (en) 2015-04-24 2017-05-31 De La Rue Int Ltd Improvements in security substrates
DE102016006929A1 (de) * 2016-06-06 2017-12-07 Giesecke+Devrient Currency Technology Gmbh Sicherheitsmerkmal und Verfahren zu dessen Herstellung
DE102016006931A1 (de) * 2016-06-06 2017-12-07 Giesecke+Devrient Currency Technology Gmbh Sicherheitsmerkmal und Verfahren zu dessen Herstellung
DE102017004065A1 (de) * 2017-04-27 2018-10-31 Giesecke+Devrient Currency Technology Gmbh Verfahren zur Herstellung eines Sicherheitselements
US10479128B2 (en) * 2017-10-27 2019-11-19 Assa Abloy Ab Security feature
FR3080324B1 (fr) * 2018-04-23 2022-04-01 Oberthur Fiduciaire Sas Feuille securisee
DE102022000312A1 (de) 2022-01-27 2023-07-27 Giesecke+Devrient Currency Technology Gmbh Folie, Folienbahn, Wertdokument und Verfahren zur Herstellung der solchen

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US7654581B2 (en) * 2005-05-06 2010-02-02 Canadian Bank Note Company, Limited Security document with ultraviolet authentication security feature
DE102006058513A1 (de) 2006-12-12 2008-06-19 Giesecke & Devrient Gmbh Entwässerungssieb und Verfahren zu seiner Herstellung
DE102009011424A1 (de) * 2008-12-22 2010-07-01 Giesecke & Devrient Gmbh Datenträger mit Durchsichtsbereich
DE102010022990A1 (de) 2010-06-08 2011-12-08 Giesecke & Devrient Gmbh Datenträger mit Merkmalsbereich
DE102011010127A1 (de) * 2011-02-02 2012-08-02 Giesecke & Devrient Gmbh Authentizitätssicherung von Wertdokumenten mittels photochromer Farbstoffe

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PL3215371T3 (pl) 2019-12-31
DE102014016249A1 (de) 2016-05-04
WO2016070965A1 (fr) 2016-05-12
ES2721533T3 (es) 2019-08-01
EP3215371B1 (fr) 2019-01-23

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