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EP3228471B1 - Document de sécurité doté d'une fenêtre transparente - Google Patents

Document de sécurité doté d'une fenêtre transparente Download PDF

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Publication number
EP3228471B1
EP3228471B1 EP17000442.8A EP17000442A EP3228471B1 EP 3228471 B1 EP3228471 B1 EP 3228471B1 EP 17000442 A EP17000442 A EP 17000442A EP 3228471 B1 EP3228471 B1 EP 3228471B1
Authority
EP
European Patent Office
Prior art keywords
layer
window
see
security document
region
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP17000442.8A
Other languages
German (de)
English (en)
Other versions
EP3228471A1 (fr
Inventor
Peter Schiffmann
Martin Imhof
Martina Staudigl
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
Publication of EP3228471A1 publication Critical patent/EP3228471A1/fr
Application granted granted Critical
Publication of EP3228471B1 publication Critical patent/EP3228471B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

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

Definitions

  • the invention relates to a security document, such as a banknote, identification card and the like, with a substrate having a see-through window, wherein in the region of the see-through window, a first layer and a second layer are arranged one above the other.
  • Data carriers such as valuables or identity documents, but also other valuables, such as branded articles, 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.
  • 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.
  • a film provided on all sides with an adhesive layer on a side is applied to a paper substrate in order to close a previously inserted through opening.
  • the substrate of the banknote is based on a per se transparent polymer substrate, which is provided in partial areas with a covering ink-receiving layer and whose uncoated portions in this way form transparent windows in an opaque environment.
  • security features for example based on optically variable colors
  • the protection is based, however, only on the limited availability of the special color, while the complexity of the pressure is usually low and therefore the security feature can often be readjusted with a barely distinguishable color for the layman. Often it is not easy for a viewer to understand why such a color works is applied in the see-through window, as in viewing and supervision no significantly different appearance can be seen.
  • the document DE 10 2004 051 919 A1 discloses a security document according to the preamble of claim 1.
  • the present invention has for its object to provide a security document of the type mentioned, in which the see-through window is visually attractive and tamper-proof. This object is solved by the features of the independent claims. Further developments of the invention are the subject of the dependent claims.
  • first and second layer are arranged one above the other means here that the layers have an overlap in a projection perpendicular to the substrate surface, that is, they are not completely adjacent to one another. Since the first and second layers are arranged one above the other in the region of the see-through window, the second layer is arranged in the see-through window in the region of the first layer. If reference is made to the arrangement of a plurality of layers located on the same substrate side, the directional indications "above” and “below” always proceed from the substrate so that a layer farther from the substrate lies "above” a layer closer to the substrate , and these accordingly "under” the more distant layer.
  • the first layer can completely cover the see-through window, in which case the see-through information is essentially given by the motif-shaped subregion of the second layer which lies in the see-through window.
  • the first layer in the see-through window has a recess, in particular in the form of a motif, so that the see-through information which is discernible when looking through the transparency is not only formed by the motif-shaped image Part of the second layer, but also by the particular motif-shaped recess of the first layer is co-determined.
  • the recess of the first layer can be formed, for example, in the form of a first motif, which is partially or completely overlapped by the motif-shaped partial region of the second layer as a second motif.
  • the recognizable transparency information is then obtained by an interaction of the first and second motif of the first and second layer.
  • the first layer has a recess in the form of a first motif, which is closed again by the second layer in the see-through window, so that when viewed from the side of the first layer, a non-optically variable motif can be seen differs from the non-optically variable motif recognizable when viewed from the side of the second layer.
  • the first layer advantageously contains optically variable interference layer pigments, preferably interference layer pigments having an at least five-layer structure with a first absorber layer, a first dielectric layer, a reflector layer, a second dielectric layer and a second absorber layer.
  • the optically variable interference layer pigments are magnetic and then advantageously have an at least seven-layer structure with a first absorber layer, a first dielectric layer, a first magnetic layer, a reflector layer, a second magnetic layer, a second dielectric layer and a second absorber layer.
  • the first layer need not be formed by a print layer. It may also be formed, for example, by a translucent thin-film element preferably formed by a vacuum vapor method, which includes a reflective layer, an absorber layer and a dielectric spacer layer disposed between the reflective layer and the absorber layer, or which has an alternating sequence of high and low refractive dielectric layers.
  • a translucent thin-film element preferably formed by a vacuum vapor method, which includes a reflective layer, an absorber layer and a dielectric spacer layer disposed between the reflective layer and the absorber layer, or which has an alternating sequence of high and low refractive dielectric layers.
  • a thin-film element can form the first layer together with its carrier film, but the carrier film can also be removed after a transfer of the thin-film element, so that only the thin-film element itself remains as the first layer in the layer structure.
  • the first layer is formed by a translucent embossed structure, in particular in the form of embossed and translucently coated micromirrors. Again, the
  • the second layer lies completely within the area covered by the first layer.
  • the second layer may be partially within and partially outside the see-through window, however, in some configurations it is preferred that the second layer be completely within the see-through window.
  • the first layer lies partly inside and partly outside the see-through window.
  • the area outside the see-through window may form a window frame for the see-through window or may also appear as a sub-element of the first layer and contribute to the first supervisory information in a complementary or visually supportive manner.
  • the first layer is provided with a laser marking, which is recognizable only when viewed from the side of the first layer as optically non-variable and non-colored marking against the background of the optically variable effect layer.
  • Said substrate is advantageously opaque outside the see-through window.
  • the see-through window is formed by a continuous opening in the substrate, which is closed by a transparent film element.
  • the see-through window is formed by a transparent subregion of an otherwise opaque substrate.
  • the first and second layers may be on the same side of the substrate, but presently it is preferred that the two layers be on opposite sides of the substrate and thus on opposite sides of the see-through window.
  • the second layer may in particular be formed by two or more subregions of different opaque colors, advantageously with substantially the same hiding power.
  • the different colors of the subregions are particularly advantageous in the color wheel adjacent to Goethe, so are in particular two adjacent colors of the sequence yellow, orange, red, purple, blue, green, and yellow again.
  • the different colors of the subregions are designed so that these one have similar hue as the first layer when viewed from different viewing directions.
  • the second layer may be combined with a transparent color layer, which may also have a different hue than the second layer.
  • at least one further opaque, optically non-variable layer may be provided on the opposite side of the substrate, which is likewise arranged at least partially in the see-through window and formed there motif-like.
  • the opaque layers can be viewed as viewed in both adjacent to one another and overlapping, wherein in the latter case in the overlapping areas a particularly strong cover is produced in transparency.
  • the translucent effect layers In addition to the first layer, it is also possible to provide at least one further translucent, optically variable effect layer which is present on the same or the opposite side of the substrate as the first layer.
  • the at least one further translucent effect layer advantageously has a similar translucency as the first layer, ie a transmission which differs from the transmission of the first layer by 10% or less.
  • the translucent effect layers complete to form an overall motif.
  • the first and second layers can be applied in the inventive method with the same or different printing methods, in particular offset, indirect high pressure, intaglio, flexo, screen, laser, injection pressure in question as printing.
  • the first layer is applied by screen printing, gravure printing or flexographic printing.
  • the first and / or second layer can be applied by means of a transfer film method, for example in cold foil transfer.
  • the first layer can be applied by means of sputtering or by a vacuum vapor deposition method to a transparent carrier foil, which is subsequently applied in the window region of the substrate.
  • the motif formed by the first layer can be produced by a washing process or by laser ablation.
  • the carrier film to be applied additionally contains the second layer. In this case, a particularly good register can be realized because the washing color for structuring the first layer and the opaque color of the second layer in one operation, such as a gravure printing step, can be applied.
  • the first layer is additionally provided with a micromirror grid, which in particular generates a dynamic movement effect or a 3D effect.
  • the first layer contains magnetically alignable pigments and these are magnetically aligned in the form of a desired pattern during or shortly after the application of the first layer.
  • the first layer can also be exposed to laser radiation in order to produce an optically non-variable and non-colored laser marking in the first layer.
  • FIG. 1 shows a schematic representation of a banknote 10
  • the paper substrate 12 has a dashed line indicated through opening 14, which printed on the top of the bill by a translucent Film strip 16 is closed and thereby forms a see-through area 18 in the banknote 10.
  • the see-through area 18 or the layers applied in its area show, in viewing and supervision from the opposite sides of the banknote 10, respectively different information and different visual appearances, their complex interplay with respect to FIG FIGS. 2 to 5 is explained in more detail.
  • Fig. 2 to explain the layer structure a cross section through the banknote 10 in the vicinity of the see-through region 18 along the line II-II of Fig. 1 .
  • the different appearances of the banknote are in the FIGS. 3 to 5 illustrated, where Fig. 3 shows the appearance when reflected light of the top 24 of the bill, Fig. 4 (a) shows the appearance in vertical incident light observation of the underside 26, Fig. 4 (b) the appearance of oblique incident light view of the bottom 26 shows, and Fig. 5 the appearance in a transparent view shows.
  • the opening 14 of the banknote 10 closed with the film strip 16 is shown generally as a transparent window area 22 in a substrate 20 for the sake of simplicity.
  • a first layer 30 in the form of a translucent, optically variable effect layer is printed, which contains magnetic, optically variable interference layer pigments.
  • the first layer 30 completely covers the window region 22 or the opening 14 and is also applied in the form of a motif, in the form of a distorted star in the exemplary embodiment.
  • the interference layer pigments of the first layer 30 were magnetically aligned three-dimensionally in the form of a beam 32 when the printing ink was applied.
  • a kinematic effect is produced in the form of an optically moving beam 32, as indicated by the arrows 34, 36 in FIG Fig. 3 indicated.
  • the portion 32 may also be provided with embossed structures in order to achieve the desired three-dimensional effect.
  • embossed structures For example, an arrangement of impressed micromirrors can produce the visual impression of a three-dimensional spherical cap.
  • the first layer 30 does not have to contain any magnetically alignable pigments, but can be formed, for example, on the basis of non-magnetic optically variable interference pigments.
  • the first layer 30 can be printed, for example, with a screen printing ink based on OVMI® pigments from SICPA and even aligned in the printing machine by a magnet in the desired shape.
  • the optically variable pigments show in addition to the magnetic alignment in bar form 32 when tilting a color change, in the embodiment between magenta in vertical and violet in oblique view.
  • a second layer 40 is printed in the form of an opaque, optically non-variable layer, for example in offset printing.
  • the second layer 40 is printed in the form of a flag, which has an annular recess 42 in the window region 22, in the interior of which there is a further subregion 44 of the second layer in the form of the letter "A".
  • the second layer 40 is partially printed outside and partially within the window portion 22.
  • the second layer 40 consists of several, for example, two different-colored opaque portions that form a desired pattern or additional information in the second layer.
  • the in-flag small star 46 is printed with a blue color formed on the basis of a blue colored pigment and a colorless opacifying TiO 2 based pigment.
  • the letter 44 lying in the recess 42 and the remainder of the flag 48 are printed with a violet printing ink containing a violet colored pigment and TiO 2 as a colorless covering pigment.
  • the appearance of the banknote is dominated by the optically variable first layer 30.
  • the optically variable effect of the first layer 30, whose color impression changes from magenta when viewed perpendicularly to violet when viewed obliquely, becomes clear.
  • the banknote and the beam 32 seems to run back and forth, as in Fig. 3 shown (arrows 34, 36).
  • the presence of a window region 22 is virtually non-existent, despite the translucency of the first layer 30.
  • the observer sees the flag formed by the second layer 40 with the motif formed by the differently-colored opaque subareas (violet subregions 44 and 48 or blue subarea 46).
  • the optically variable color 30 of the top 24 visible, optionally including the current bar 32. The recognizable from the back forth supervisory information is therefore by a combination of the second layer 40 with that in the window area 22, in particular in the recess 42 visible part of the first layer 30 given.
  • the color difference of the differently-colored opaque partial regions 44, 46, 48 visually appears strong and the second layer 40 and the substrate 20 appear as a more or less homogenous dark surface 50.
  • the visual impression is made in view of the brightness difference between the two annular recess 42 on the one hand and the letters contained in the interior of the recess 44 and the surrounding opaque coating or the surrounding opaque substrate on the other hand dominates.
  • the annular recess 42 appears to be uniformly bright, since the translucent layer 30 transmits part of the incident light and the different magnetic orientation of the interference layer pigments in the transmitted light is practically not recognizable.
  • the observer thus receives different but closely related and closely related supervisory or review information in the supervisory view from the top or bottom side and the review view.
  • the respective information is linked together and put into relation, whereby an increased attention and recognition value for the user and thus increased counterfeit security of the banknote 10 can be achieved.
  • Fig. 8 shows an advantageous modification of the embodiment of FIGS. 2 to 5 in which the optically variable first layer 30 does not completely cover the window area 22, but is provided with a motif-shaped recess 34 in which the second optically non-variable layer 40 is visible.
  • the presence of a window area 22 in the banknote 10 is also very easy to recognize for a layman.
  • the motif forms of the first and second layer complex Supervision / see-through effects are generated.
  • the second layer 40 does not overlap at least a portion of a recess 34 in the first layer 30, so that there is an open window area with high translucency in this subarea.
  • Fig. 6 shows various advantageous layer sequences of security documents according to the invention.
  • the directional information "above” or “below” in the directional information is taken from the substrate, so a layer further from the substrate is above a layer closer to the substrate.
  • both the first layer 30 and the second layer 40 are disposed in the window area 22 on the same side of an opaque substrate 20, the first translucent layer 30 overlying the second opaque layer 40.
  • the top and bottom appearances are similar in the embodiment of the FIGS. 2 to 5 however, as viewed from the bottom 26, only the portions of the opaque layer 40 lying in the window area 22 are visible.
  • the second layer 40 may therefore suitably lie completely within the window region 22.
  • the second layer 40 may be formed in particular by two or more subregions of different opaque colors with the same hiding power.
  • the second layer 40 may also be combined with a transparent color, which may also have a different hue.
  • the first layer 30 may optionally be provided with a recess 34, in particular a recess in motif form, in which the second layer 40 is visible. At least a portion of the recess 34 may also form an open window area without an overlapping second layer 40.
  • both the first layer 30 and the second layer 40 are disposed in the window area 22 on the same side of the substrate 20, however, in this configuration, the first translucent layer 30 lies beneath the second opaque layer 40.
  • the appearances in plan and see are similar as in the embodiment of FIGS. 2 to 5 However, when viewed from the top 24 only the part lying in the window portion 22 of the optically variable layer 30 is visible.
  • the second layer 40 may be formed in particular by two or more portions of different opaque colors with the same hiding power.
  • the second layer 40 may also be combined with a transparent color, which may also have a different hue.
  • the first layer 30 can optionally be provided with a recess 34, in particular a recess in motif form, in which the second layer 40 is visible or an open window area is formed.
  • the first and second layers 30, 40 are disposed on opposite sides of the substrate 20, as already described in connection with FIGS FIGS. 2 to 5 and 8th described in detail.
  • the design of the Fig. 6 (d) builds on the design of the Fig. 6 (c) on, wherein in addition a further opaque, optically non-variable layer 60 is provided on the upper side 24 of the substrate 20, which is at least partially disposed in the window portion 22 and formed there motivic.
  • the two opaque layers 40, 60 can be viewed as viewed both adjacent to each other and overlapping.
  • a further translucent, optically variable effect layer 62 is provided, which is the window area 22 at least partially covered.
  • the two opaque layers 40, 60 can be viewed as viewed both adjacent to each other and overlapping.
  • the further translucent effect layer 62 advantageously has a similar translucency as the first layer 30, and particularly advantageously the effect layers 30, 62 of the top and bottom are completed.
  • the effect layer 62 may also be disposed on and cooperate with the same side as the first layer 30 to produce a translucent effect coating.
  • the design of the Fig. 6 (f) is a modification of the design of the Fig. 6 (d) in which the sequence of the first layer 30 and the further opaque layer 60 is reversed.
  • the two opaque layers 40, 60 are applied with particular advantage in the register to each other and show on the one hand in supervision of the top 24 and bottom 26 each have their own motif and complement each other on the other hand in review complementary to an overall motif.
  • the opaque layers are in particular, as in Fig. 6 (f) shown, non-overlapping, but applied shock to impact.
  • the further embodiment of Fig. 6 (g) is a modification of the design of the Fig. 6 (e) , wherein again the sequence of the first layer 30 and the further opaque layer 60 is reversed.
  • the two opaque layers 40, 60 are applied particularly in the register, particularly preferably shock to impact and show both on supervision of the top 24 and bottom 26 each have their own motif and complement each other on the other hand in review complementary to an overall motif.
  • the complementary opaque layers 40, 60 of the embodiments of FIGS. 6 (f) and 6 (g) For example, a super-size press, such as KBA NotaSys or Komori, can be applied to the opposite sides of the substrate 20.
  • the window area 22 in the FIGS. 2 to 6 only shown schematically. If the window region 22 is formed in practice, for example, by an opening 14 which is closed only on the upper side 24 of the substrate 20 with a film element 16, then the in Fig. 2 shown second layer 40 partially on the underside 26 of the substrate 20 and in the window area on the underside of the film member 16 before, such as in below Fig. 7 illustrated.
  • Fig. 7 shows intermediate steps of a preferred manufacturing method for a security document according to the invention.
  • a paper substrate 12 is provided, which is provided with a through opening 14.
  • the through opening 14 can be produced, for example, after papermaking by punching or papermaking already in papermaking.
  • the opening 14 is then closed by a still unprinted film element 16 on the top of the paper substrate, as in Fig. 7 (a) shown.
  • the film element 16 may be a patch that covers substantially only the opening 14 or may also represent an endless belt.
  • the first, translucent layer 30 with the optically variable interference layer pigments is printed on the upper side of the film element 16 in the screen printing method, as in FIG Fig. 7 (b) shown. If the screen printing ink contains magnetic interference layer pigments, these are aligned at or immediately after the application of the first layer 30 to provide a desired three-dimensional structure, such as the beam 32 described above.
  • the second, opaque layer 40 is printed on the underside of the paper substrate in offset printing, as in Fig. 7 (c) shown, wherein the second layer 40 is printed in a portion 70 outside the opening 14 on the lower surface of the paper substrate 12 and in a portion 72 within the opening 14 on the lower surface of the film member 16.

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  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)

Claims (17)

  1. Document de sécurité (10), tel que billet de banque, carte d'identité et similaires, avec un substrat (20) avec une fenêtre transparente (22), dans lequel, dans la zone de la fenêtre transparente, une première couche (30) et une deuxième couche (40) sont disposées l'une au-dessus de l'autre, dans lequel
    - la première couche constitue une couche translucide à effet, variable optiquement, laquelle recouvre au moins en partie la fenêtre transparente,
    - la deuxième couche constitue une couche opaque, non variable optiquement, laquelle est disposée au moins en partie dans la fenêtre transparente et dont la zone partielle disposée dans la fenêtre transparente est réalisée en forme de motif, dans lequel,
    - lors d'une observation depuis le côté de la première couche, une première information par réflexion sous la forme de l'aspect visuel variable optiquement de la première couche est reconnaissable, lors d'une observation par transparence, une information par transparence est reconnaissable, laquelle est au moins partiellement également déterminée avec la contribution de la zone partielle réalisée en forme de motif, située dans la fenêtre transparente, de la deuxième couche, et lors d'une observation depuis le côté de la deuxième couche, une deuxième information par réflexion est reconnaissable, laquelle est donnée par une combinaison de la deuxième couche non variable optiquement et la partie visible dans la fenêtre transparente de la première couche variable optiquement,
    caractérisé en ce que
    la deuxième couche présente, dans au moins une zone partielle, une impression de couleur fixe et est adaptée avec cette zone partielle à la première couche variable optiquement de telle sorte que la première couche et la zone partielle de la deuxième couche présentent, sous un angle d'observation prédéfini, au moins en partie sensiblement la même teinte.
  2. Document de sécurité selon la revendication 1, caractérisé en ce que la première couche recouvre entièrement la fenêtre transparente.
  3. Document de sécurité selon la revendication 1, caractérisé en ce que la première couche présente un évidement dans la fenêtre transparente, en particulier sous la forme d'un motif, de sorte que l'information par transparence reconnaissable lors de l'observation par transparence est également déterminée avec la contribution de l'évidement en particulier en forme de motif de la première couche.
  4. Document de sécurité selon l'une au moins des revendications 1 à 3, caractérisé en ce que la première couche contient des pigments de couche d'interférence variables optiquement, de préférence des pigments de couche d'interférence avec une structure à au moins cinq couches avec une première couche d'absorbeur, une première couche de diélectrique, une couche de réflecteur, une deuxième couche de diélectrique et une deuxième couche d'absorbeur.
  5. Document de sécurité selon la revendication 4, caractérisé en ce que les pigments de couche d'interférence variables optiquement sont magnétiques et présentent de préférence une structure à au moins sept couches avec une première couche d'absorbeur, une première couche de diélectrique, une première couche d'aimant, une couche de réflecteur, une deuxième couche d'aimant, une deuxième couche de diélectrique et une deuxième couche d'absorbeur.
  6. Document de sécurité selon l'une au moins des revendications 1 à 5, caractérisé en ce que la deuxième couche se situe entièrement à l'intérieur de la surface recouverte par la première couche.
  7. Document de sécurité selon l'une au moins des revendications 1 à 6, caractérisé en ce que la deuxième couche se situe entièrement à l'intérieur de la fenêtre transparente.
  8. Document de sécurité selon l'une au moins des revendications 1 à 7, caractérisé en ce que la première couche se situe en partie à l'intérieur et en partie à l'extérieur de la fenêtre transparente.
  9. Document de sécurité selon l'une au moins des revendications 1 à 8, caractérisé en ce que la première couche est dotée d'un marquage laser lequel, seulement lors de l'observation depuis le côté de la première couche, est reconnaissable en tant que marquage non variable optiquement et non coloré devant l'arrière-plan de la couche à effet variable optiquement.
  10. Document de sécurité selon l'une au moins des revendications 1 à 9, caractérisé en ce que le substrat est opaque à l'extérieur de la fenêtre transparente.
  11. Document de sécurité selon l'une au moins des revendications 1 à 10, caractérisé en ce que la fenêtre transparente est formée par une ouverture traversante dans le substrat, laquelle est fermée avec un élément de feuille transparent.
  12. Document de sécurité selon l'une au moins des revendications 1 à 10, caractérisé en ce que la fenêtre transparente est formée par une zone partielle transparente d'un substrat sinon opaque.
  13. Document de sécurité selon l'une au moins des revendications 1 à 12, caractérisé en ce que les première et deuxième couches se trouvent sur des côtés situés en vis-à-vis du substrat.
  14. Procédé pour la fabrication d'un document de sécurité selon l'une des revendications 1 à 13, dans lequel
    - un substrat avec une fenêtre transparente est mis à disposition et est doté, dans la zone de la fenêtre transparente, de deux couches disposées l'une au-dessus de l'autre en ce que
    - en guise d'une première couche, une couche translucide à effet, variable optiquement, est appliquée, laquelle recouvre au moins en partie la fenêtre transparente,
    - en guise d'une deuxième couche, une couche opaque, non variable optiquement est appliquée, laquelle est disposée au moins en partie dans la fenêtre transparente et dont la zone partielle disposée dans la fenêtre transparente est réalisée en forme de motif,
    - dans lequel, au moins dans une zone partielle, la deuxième couche présente une impression de couleur fixe et est adaptée avec cette zone partielle à la première couche variable optiquement de telle sorte que la première couche et la zone partielle de la deuxième couche présentent, sous un angle d'observation prédéfini, au moins en partie sensiblement la même teinte.
  15. Procédé selon la revendication 14, caractérisé en ce que la première couche est appliquée selon un procédé de sérigraphie, rotogravure ou flexographie ou au moyen d'une pulvérisation cathodique ou d'un procédé de métallisation sous vide.
  16. Procédé selon la revendication 14 ou 15, caractérisé en ce que la première couche contient des pigments orientables magnétiquement et que lors de l'application ou juste après l'application de la première couche, ceux-ci sont orientés magnétiquement en forme d'un motif souhaité.
  17. Procédé selon l'une au moins des revendications 14 à 16, caractérisé en ce que la première couche est soumise à un rayonnement laser pour produire un marquage laser non variable optiquement et non coloré dans la première couche.
EP17000442.8A 2016-04-08 2017-03-17 Document de sécurité doté d'une fenêtre transparente Not-in-force EP3228471B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016004238.9A DE102016004238A1 (de) 2016-04-08 2016-04-08 Sicherheitsdokument mit Durchsichtsfenster

Publications (2)

Publication Number Publication Date
EP3228471A1 EP3228471A1 (fr) 2017-10-11
EP3228471B1 true EP3228471B1 (fr) 2019-01-02

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DE102023126441A1 (de) * 2023-09-28 2025-04-03 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement mit Kombinations-Sicherheitsmerkmal
PL447634A1 (pl) * 2024-01-29 2025-08-04 Polska Wytwórnia Papierów Wartościowych Spółka Akcyjna Zabezpieczający element graficzny, nośnik danych zawierający zabezpieczający element graficzny oraz sposób wytwarzania nośnika danych

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DE102004051919A1 (de) * 2004-10-25 2006-04-27 Giesecke & Devrient Gmbh Sicherheitselement mit transparentem Träger
DE102007030219A1 (de) * 2007-02-13 2008-08-14 Giesecke & Devrient Gmbh Sicherheitselement für ein Wertdokument

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