EP3247571A1 - Support de données pourvu d'un fil de sécurité visible dans des fenêtres - Google Patents

Support de données pourvu d'un fil de sécurité visible dans des fenêtres

Info

Publication number
EP3247571A1
EP3247571A1 EP16700383.9A EP16700383A EP3247571A1 EP 3247571 A1 EP3247571 A1 EP 3247571A1 EP 16700383 A EP16700383 A EP 16700383A EP 3247571 A1 EP3247571 A1 EP 3247571A1
Authority
EP
European Patent Office
Prior art keywords
window
thread
micro
security
width
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
EP16700383.9A
Other languages
German (de)
English (en)
Other versions
EP3247571B1 (fr
Inventor
Andreas Aigner
Thomas Gerhardt
André Gregarek
Rudolf Seidler
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 EP21160781.7A priority Critical patent/EP3862191B1/fr
Priority to PL16700383T priority patent/PL3247571T3/pl
Publication of EP3247571A1 publication Critical patent/EP3247571A1/fr
Application granted granted Critical
Publication of EP3247571B1 publication Critical patent/EP3247571B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/44—Watermarking devices
    • 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
    • B42D25/351—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
    • B42D25/30—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
    • 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
    • B42D25/364—Liquid crystals
    • 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
    • B42D25/369—Magnetised or magnetisable 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
    • B42D25/373—Metallic materials

Definitions

  • the invention relates to a data carrier, in particular a value or security document, comprising a substrate comprising at least one paper layer with an embedded window security thread.
  • the invention also relates to a dewatering screen for the manufacture of security paper with a window security thread.
  • Data carriers such as banknotes, stocks, bonds, certificates, vouchers, checks, high-quality admission tickets, but also other forgery-prone papers, such as passports or other identity documents, are often provided with security elements for the purpose of security, which permit verification of the authenticity of the value document and which also serve as protection against unauthorized reproduction.
  • the security elements can be designed in the form of a security thread which is wholly or partly embedded in the data carrier.
  • a security thread in banknote paper is described for example in WO 2004/050991 AI.
  • the security thread is unrolled from a driven roller and a constant mechanical tension is ensured by monitoring the tensile force of the security thread.
  • Window security threads are security threads that are neither applied to a surface of a data carrier substrate nor fully embedded in the substrate. Rather, they are partially embedded in the substrate such that they are visible on one or both opposite surfaces of the substrate only in certain windows.
  • bronze mesh fabrics with brass stamping dies are generally made into a mold with several The webs are brought to create contact surfaces for the security thread to be introduced in papermaking. From the designer's perspective, however, the possible designs are very limited and all known types of window threads have windows which are open over the entire thread width.
  • the present invention seeks to provide a data carrier of the type mentioned above with an attractive appearance and high security against counterfeiting.
  • the invention is also intended to provide a suitable apparatus and method for making such data carriers.
  • the window regions comprise micromachined microfibers which have a characteristic edge in papermaking and whose width across the thread direction is less than 50% of the thread width and between 0.2 mm and 4 mm.
  • window security thread is used in the present description not only for narrow security threads with a width of 4 mm or less, but also for wide security threads with a width of 4 mm to about 30 mm, which in the patent literature sometimes as security tapes be designated.
  • the embedding of such broad Security threads in papermaking is described, for example, in document EP 0 625 431 A1.
  • all window areas of a data carrier can be designed in the form of micro-windows or the data carrier can also have conventional window areas in addition to micro-windows.
  • the length of the micro-windows parallel to the yarn longitudinal direction (sometimes also referred to as the height of the micro-windows) is advantageously between 0.2 mm and 4 mm, preferably between 0.3 mm and 3 mm and particularly preferably between 0.5 mm and 1 mm.
  • the width of the micro-windows in the transverse direction of the thread is preferably between 0.3 mm and 3 mm, particularly preferably between 0.5 mm and 1 mm.
  • the window areas comprise a plurality of microfine windows juxtaposed in the transverse direction of the thread. These micro windows are advantageously not exactly at the same height in the transverse direction of the thread, but rather are always offset from each other by a fraction of the window height. In other words, although a thread in the transverse direction of the thread intersects a plurality of said microphone windows, in each case at different points along the vertical extent of the microphone windows.
  • the width of the micro-windows in the transverse direction of the thread is even less than 40%, preferably less than 30% of the thread width.
  • the window areas comprise micro-windows, the outlines of which comprise patterns, characters or an encoding, in particular a letter or digit. sequence, such as a currency symbol or a value number.
  • the micro-windows can also be designed in the form of a facial or portrait representation.
  • the window areas comprise a plurality of microfine stars whose spatial arrangement forms a motif.
  • the individual micro-windows are not necessarily formed even in motif form, but said motif is formed by the arrangement of the totality of micro-windows.
  • Such a motif may consist in particular of letters, characters or figures which are composed of the micro-star stars as small building blocks.
  • the outlines of the micro-windows can be the same and also different. It is also possible that both the outlines of the microphone windows and their spatial arrangement each represent a motif or information. These motifs or information can be related to each other or complement each other to form an overall information.
  • the micro windows can also form screened, point cloud or strip windows.
  • the micro windows as thin spots in the paper layer of the substrate are part of a laterally projecting beyond the window security thread watermark.
  • the microphone windows can be integrated into a comprehensive design of the data carrier, so that the attention value and the imitation security further increases.
  • the watermark may supplement, continue or repeat in the same or modified form a motif formed by the outline or the spatial arrangement of the microfine windows.
  • a motif formed by the outline or the arrangement of the micro-windows is continued by any other security feature beyond the window security thread.
  • the other security feature may consist, for example, in a print layer, a color layer, a laser cut area, a watermark, a film or a hologram.
  • the other security feature can complement a motif formed by the outline or the arrangement of the micro-windows, continue or repeat in the same or modified form.
  • the window security thread is advantageously provided with diffraction structures, liquid crystal layers, thin-film structures, recesses in opaque, in particular metallic layers, fluorescent substances, magnetic, conductive and / or metallic layers.
  • the invention also includes a dewatering screen for the manufacture of security paper with a windowed security thread that on certain
  • the dewatering screen comprises a carrier screen which is provided in an area with an injection molding insert which has a relief with motif elements which extend upwards from a base body and project beyond the surface of the carrier screen and which are formed in the form of the window areas of the window security thread.
  • the motif elements comprise micromotif elements for producing microfine stars, which have a width, which is less than 50% of the thread width and lies between 0.2 mm and 4 mm, transversely to the running direction of the thread to be embedded.
  • the invention further includes a dewatering screen of the above-mentioned type, in which the dewatering screen comprises a carrier screen which is part of a rich has a Sieboniagung having a relief with the surface of the support frame superior motif elements, which are formed in the form of the window areas of the window security thread.
  • the motif elements comprise micromotif elements for producing microfine stars, which have a width, which is less than 50% of the thread width and lies between 0.2 mm and 4 mm, transversely to the running direction of the thread to be embedded.
  • the injection molding insert or the screen embossing comprises a plurality of micromotive elements lying next to one another transversely to the thread running direction for producing a plurality of microfine windows juxtaposed in the transverse direction of the thread.
  • the motif elements preferably comprise micromotif elements whose outlines represent patterns, characters or an encoding, in particular a letter or number sequence.
  • the motif elements comprise a plurality of micromotif elements whose spatial arrangement forms a motif, in particular letters, characters or figures.
  • the injection molding insert or the screen embossing has, in addition to the motif elements for producing the window regions of the window security thread, a watermark relief in the form of a watermark to be produced in the security paper.
  • the watermark relief can supplement, continue or repeat in the same or modified form a motif formed by the outline or the arrangement of the micromotif elements.
  • a hydrophobic plastic such as polyoxymethylene.
  • the plastic may be added with wear-reducing additives.
  • the injection-molded insert is preferably arranged in a cut-out region of the carrier screen and connected thereto only in a preferably serrated edge region.
  • a recess can be produced which is slightly smaller, for example 1/10 mm smaller than the desired shape of the injection molding insert.
  • the edge region can be designed in particular in the form of a pattern, preferably in a serrated form. In this cut-out portion of the injection molding insert can be inserted or preferably injected.
  • the support screen advantageously comprises a screen fabric with at least one system of interwoven, longitudinally extending warp threads and weft threads extending transversely thereto, the screen fabric advantageously comprising either a metal fabric, in particular a bronze fabric, a metal-plastic mixed fabric, in particular a bronze plastic Mixed fabric, or contains a pure plastic fabric.
  • the injection molding insert preferably has a plurality of perforations, which ensure drainage during papermaking.
  • the dimensions of these drainage perforations are chosen so small that they do not adhere to fibers during papermaking.
  • Typical perforation diameters are between 100 ⁇ and some 100 ⁇ , for example, at about 500 ⁇ .
  • Rejuvenate in advantageous embodiments the perforations to the top design surface of the injection molding insert or the perforations are formed waisted.
  • an injection molding tool which contains an injection molding cavity into which plastic can be injected to produce the injection molding insert and which is provided with a multi-level tool relief in the form of the inverted injection molding relief.
  • the injection molding tool including the injection molding cavity and the high-resolution multi-stage tool relief can be formed by milling or by an additive manufacturing process as a layer sequence of a plurality of firmly interconnected material layers.
  • a stamping die can be used, which is provided with a high-resolution multi-level relief in the form of the inverted screen embossing.
  • the embossing stick including the high-resolution multi-level relief can be formed by milling or by an additive manufacturing process as a layer sequence of a plurality of firmly interconnected material layers.
  • additive manufacturing processes are in particular selective laser sintering, selective laser melting, electron beam melting, 3D printing with powder, melt stratification, laser deposition welding, multi-jet modeling, a Polyjet method, stereolithography, Laminated Object Modeling, film transfer imaging or digital light processing into consideration.
  • FIG. 1 shows a schematic representation of a banknote with a security element according to the invention in the form of a window security thread
  • FIG. 6 shows plan views of a banknote with a plurality of microfibers arranged in ensembles of microsymbols in the form of a rosymbol, wherein (a) a single ensemble of microsymbols and (b) a plurality of ensembles spaced apart in the longitudinal direction of the thread and staggered in the transverse direction of the thread from micro star shows, and a design in which the design of a series of papermill-made microfibres outside the security thread continues from a print pattern.
  • the invention will now be explained using the example of window security threads for banknotes and other value documents.
  • 1 shows a schematic representation of a banknote 10 with a paper substrate 12, which is provided with a window security thread 14 according to the invention.
  • the window security thread 14 emerges in window areas 16 on the surface of the banknote 10, while it is embedded in the intermediate web areas 18 in the interior of the banknote 10.
  • the window portions 16 of the window security thread 14 Scheme table are shown as rectangles.
  • the window portions 16 according to the invention include papermaking microfrench 20, which are formed in the embodiment in the form of transverse thread adjacent numerals "1" and "5", which together form the digit sequence "15" .
  • the microfibers 20 clear the view of the window security thread 14 embedded in the paper so that the security features arranged on the window security thread 14, for example a diffraction structure or a color-shifting layer, become visible there.
  • the window security thread 14 is covered by the paper layer 12 and therefore the security features arranged thereon are not visible.
  • the micro-windows 20 were produced in papermaking, as described below, they have an edge 22 with characteristic irregularities, which in this description is often referred to as deckle edge. is drawn.
  • the irregular edge structure arises from an irregular accumulation of fibers in the edge region and by protruding into the hole of individual fibers.
  • the width bM of the micro window 20 is significantly smaller than the thread width bF, which is for example 4 mm, and in the exemplary embodiment is only about 1 mm (25% of the thread width, number "1") or 1.5 mm (37.5 mm) % of thread width, digit "5").
  • the height 1 IM of the microfine window 20, that is to say the extension in the longitudinal direction L of the thread, is approximately 2 mm and is therefore also substantially smaller than the window areas of conventional window threads.
  • the direction parallel to the longitudinal extent of the security thread is referred to as the thread longitudinal direction L and the thread transverse direction Q is the direction perpendicular thereto.
  • Another peculiarity of the designs according to the invention is that several micro-windows 20 can be juxtaposed in the transverse direction Q, in the embodiment of FIG. 2, for example, the digits "1" and "5", which together form the digit sequence "15".
  • the micro-windows 20 reveal the view of the embedded in the paper window security thread 14, so that there its security features can appear.
  • the banknote 10 can also have conventional window areas in addition to window areas with the described micro-windows 20. However, since these are known, will not be discussed in detail in the present application.
  • the drainage screen 30 shown schematically in FIG. 4 in a section transverse to the thread running direction is used.
  • the dewatering screen 30 comprises a carrier screen 32 with a screen mesh 34, which is cut out in a partial area 40.
  • the screen fabric 34 has at least one system of interwoven, longitudinally extending warp threads 36 and weft threads 38 extending transversely thereto.
  • the screen fabric may for example contain a metal fabric, in particular a bronze fabric, a metal-plastic mixed fabric, in particular a bronze-plastic mixed fabric, or even a pure plastic fabric.
  • the carrier screen 32 can contain both a single-layer and a multi-layer screen fabric, with the simpler representation being shown in the figure only as a single-layer screen fabric.
  • a plastic injection-molded insert 50 is arranged, which is connected at its edge to the screen fabric 34.
  • the connection can be made in a variety of ways, for example by plastic overmolding or back-spraying, by means of a plurality of fastening knobs arranged along the edge, or by welding or gluing.
  • the injection molding insert 50 is injected with a corresponding tool shape directly into the cut-out portion 40 of the screen fabric 34 and thereby enters into a particularly intimate connection with the screen fabric.
  • the injection-molded insert 50 has a relief 52 in the form of the window areas 16 of the window security thread 14 and contains a base body 54, from which starting motif elements in the form of the window areas 16 extend upwards and project beyond the screen surface. It is essential for the present invention that the motif elements contain small micromotif elements 56, which are formed in the shape and size of the microfibres 20 and extend upwards with a sharp edge.
  • the relief 52 is produced by means of milling, so that the flanks 57 of the small micromotif elements 56 enclose an angle of approximately 15 ° with the surface normal.
  • the security thread 14 to be embedded is supplied as an endless element from a spool via a deflection roller to the dewatering screen 30 with the injection molding insert 50.
  • the security thread 14 rests on the motif elements and in particular also on the micromotif elements 56 of the injection molding insert 50.
  • the security thread 14 Since a negative pressure prevails in the interior of the dewatering screen 30, the water of the water-fiber dispersion of the pulp is sucked into the interior of the dewatering screen. In the process, the fibers deposit on the surface of the dewatering screen 30 and the injection-molded insert 50 and form the desired paper web. At the locations where the security thread 14 rests on the motif elements or the micromotif elements 56, the security thread is attached to the drainage screen by the negative pressure. sucks, so that there can accumulate no fiber mass. Accordingly, the security thread 14 remains free of fiber material in the regions of the motif elements or of the microphoto elements 56, while paper fibers accumulate in the surrounding regions and embed the security thread 14 in the paper. The motif elements or the micromotif elements 56 therefore generate just the desired window areas or microfine windows 20 in the forming paper layer.
  • the edge region 22 of the micro-windows is not completely sharp, as in the case of subsequent production of holes by means of punching or laser cutting. Rather, 20 fibers are deposited in the edge region of the micro-window, which project into the opening in an irregular manner and thereby produce the characteristic deckle edge.
  • the extent of edge sharpness or edge blurring of the microfine window 20 can be predetermined by the three-dimensional shape of the micromotif elements 56.
  • Micromotif elements such as micromotif elements 56 of FIG. 4, which have very steep flanks 57 and a small edge width, produce marginal regions 22 with minor irregularities, while micromotif elements have flatter flanks and larger edge width, such as the micromotifs shown in FIG 58, micro-windows 20 with strongly irregular edge regions 22 produce.
  • the edge width of a micromotif element is the width within which the height of a micromotif element falls from 90% of the maximum height to 10%.
  • Micro-windows with only slightly irregular marginal areas can be created with micromotif elements 56 having a marginal width of 0.6 mm or less, 0.5 mm or less, or even 0.4 mm or less become.
  • micromotif elements 58 with a marginal width of more than 0.6 mm, more than 1 mm or even more than 1.5 mm can produce microfibres with strongly irregular marginal regions 22.
  • the injection molding insert 50 is further provided with a plurality of perforations 48 to ensure dewatering in papermaking also in the field of injection molding.
  • the diameter of the perforations 48 is chosen so small that they do not adhere to fibers in papermaking. Typical perforation diameter are between 100 ⁇ and some 100 ⁇ , for example, at about 500 ⁇ .
  • FIG. 6 (a) show further advantageous embodiments of inventive micro windows in banknotes or other data carriers.
  • the micro-windows 20 are formed in the form of ovals having a dimension of 0.4 mm ⁇ 0.3 mm.
  • a plurality of oval micro-star 20 forms an ensemble 24, the micro-windows 20 are arranged spatially to each other so that they form together as a motif the euro symbol " €".
  • the ensemble 24 contains a plurality of micro-windows 20 adjacent to one another in the transverse direction of the thread. However, they are never exactly at the same height in the transverse direction of the thread but rather are always offset from each other by a fraction of the height of the micro-windows.
  • the micro-windows 20 release the view of the embedded in the paper window security thread 14 and let the security features arranged thereon, for example, formed by a print layer, a color layer or other functional layer visible.
  • a plurality of ensembles 24 of micro windows 20, each in the form of the euro symbol €, are arranged spaced apart in the thread longitudinal direction L.
  • the ensembles 24 are offset as a whole in the transverse direction Q against each other something to compensate for variations in the introduction of the security thread 14 into the paper, for example, due to wobble.
  • ⁇ denotes the maximum distance by which a security thread 14 can be introduced into the security paper 12 in the transverse direction Q offset due to wobbling, it can be ensured by offsetting the Eurosymbol ensemble 24 up to a distance ⁇ to the right and left longitudinally always some complete symbol ensembles 24 lie directly above the security thread 14 and form the desired micro-windows in the form of the euro symbol.
  • Fig. 7 shows a design in which a series of papermaker-made microfibers 26 are disposed over a window security thread 14 and, as described above, reveal the security feature of the embedded window security thread 14.
  • the circular disk-shaped micro window 26 have different sizes, but are all significantly smaller than the thread width, so that several micro windows 26 in the yarn transverse direction Q are adjacent.
  • the design formed by the micro-star 26 is continued outside the security thread 14 of a printed pattern 28 in the form of a printed point cloud and thereby integrated into the overall design of the banknote 10. This also significantly increases the counterfeit security of the banknote since the security thread 14 is not replaced by a security thread without micro-security. Window 26 can be replaced and also because the security thread 14 must be aligned correctly in the longitudinal direction of the print pattern 28.
  • a motif formed by the outline or the arrangement of the microfine windows can also be continued, for example, by a watermark.
  • the micro windows which in any case represent thin areas in the paper layer of a data carrier, are preferably part of a watermark which protrudes laterally beyond the window security thread.

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  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Paper (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

Support de données (10), en particulier document de valeur ou de sécurité, qui comporte un substrat (12) comprenant au moins une couche de papier, un fil de sécurité (14) visible dans des fenêtres étant incorporé dans le substrat (12) et étant visible sur au moins une surface du substrat, dans des zones de fenêtre (16) déterminées. Selon l'invention, les zones de fenêtre (16) comportent des micro-fenêtres (20) produites lors de la fabrication du papier, qui présentent un bord (22) produit lors de la fabrication du papier et à irrégularités caractéristiques, et dont la largeur (bM) transversalement par rapport à la direction du fil représente moins de 50% de la largeur de fil (bF) et mesure entre 0,2 mm et 4 mm.
EP16700383.9A 2015-01-20 2016-01-07 Support de données pourvu d'un fil de sécurité visible dans des fenêtres Active EP3247571B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP21160781.7A EP3862191B1 (fr) 2015-01-20 2016-01-07 Tamis d'égouttage pour la production de papier de sécurité avec fil de sécurité en fenêtres
PL16700383T PL3247571T3 (pl) 2015-01-20 2016-01-07 Nośnik danych z okienkową nitką zabezpieczającą

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015000690.8A DE102015000690A1 (de) 2015-01-20 2015-01-20 Datenträger mit einem Fenstersicherheitsfaden
PCT/EP2016/000021 WO2016119994A1 (fr) 2015-01-20 2016-01-07 Support de données pourvu d'un fil de sécurité visible dans des fenêtres

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP21160781.7A Division EP3862191B1 (fr) 2015-01-20 2016-01-07 Tamis d'égouttage pour la production de papier de sécurité avec fil de sécurité en fenêtres

Publications (2)

Publication Number Publication Date
EP3247571A1 true EP3247571A1 (fr) 2017-11-29
EP3247571B1 EP3247571B1 (fr) 2021-03-10

Family

ID=55129825

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16700383.9A Active EP3247571B1 (fr) 2015-01-20 2016-01-07 Support de données pourvu d'un fil de sécurité visible dans des fenêtres
EP21160781.7A Active EP3862191B1 (fr) 2015-01-20 2016-01-07 Tamis d'égouttage pour la production de papier de sécurité avec fil de sécurité en fenêtres

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP21160781.7A Active EP3862191B1 (fr) 2015-01-20 2016-01-07 Tamis d'égouttage pour la production de papier de sécurité avec fil de sécurité en fenêtres

Country Status (7)

Country Link
EP (2) EP3247571B1 (fr)
CN (1) CN107438686B (fr)
DE (1) DE102015000690A1 (fr)
ES (1) ES2874580T3 (fr)
PL (1) PL3247571T3 (fr)
RU (1) RU2674943C1 (fr)
WO (1) WO2016119994A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017001347A1 (de) * 2017-02-10 2018-08-16 Giesecke+Devrient Currency Technology Gmbh Datenträger mit Fenstersicherheitselement
FR3080324B1 (fr) * 2018-04-23 2022-04-01 Oberthur Fiduciaire Sas Feuille securisee
DE102018008162A1 (de) * 2018-10-16 2020-04-16 Giesecke+Devrient Currency Technology Gmbh Verfahren und Vorrichtung zur Herstellung eines Sicherheitspapiers mit Fenstersicherheitsfaden
DE102019003281A1 (de) * 2019-05-09 2020-11-12 Giesecke+Devrient Currency Technology Gmbh Elektrisch leitendes Papiergefüge, Verfahren zum Herstellen desselben und Verwendung
CA3141231C (fr) * 2019-05-20 2025-06-17 Linxens Holding Page de données pour document de sécurité et son procédé de fabrication
DE102021000626A1 (de) * 2021-02-08 2022-08-11 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement zur Einbettung in ein Sicherheitsdokument

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GB2395959B (en) 2002-12-05 2004-11-10 Rue De Int Ltd Method and apparatus for manufacturing a fibrous substrate incorporating an el ongate element
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DE102005032815A1 (de) * 2005-07-12 2007-01-18 Giesecke & Devrient Gmbh Verfahren zur Herstellung eines Sicherheitspapiers, Papiersieb und Formelement für Papiersieb
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DE102012014894A1 (de) * 2012-07-27 2014-01-30 Giesecke & Devrient Gmbh Entwässerungssieb
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DE102013008082A1 (de) * 2013-05-10 2014-11-13 Giesecke & Devrient Gmbh Wert- und Sicherheitsdokument mit einem Wasserzeichen und einem Sicherheitsfaden
DE102014008752A1 (de) 2014-06-12 2015-12-17 Giesecke & Devrient Gmbh Spritzgusswerkzeug und Prägestock zum Einsatz bei der Herstellung von Wasserzeichenpapier

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WO2016119994A1 (fr) 2016-08-04
RU2674943C1 (ru) 2018-12-13
EP3247571B1 (fr) 2021-03-10
EP3862191B1 (fr) 2022-12-21
EP3862191A1 (fr) 2021-08-11
CN107438686B (zh) 2019-10-01
PL3247571T3 (pl) 2021-10-11
DE102015000690A1 (de) 2016-07-21
CN107438686A (zh) 2017-12-05
ES2874580T3 (es) 2021-11-05

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