EP3974203B1 - Corps de document à identification de la face avant - Google Patents

Corps de document à identification de la face avant Download PDF

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Publication number
EP3974203B1
EP3974203B1 EP21198642.7A EP21198642A EP3974203B1 EP 3974203 B1 EP3974203 B1 EP 3974203B1 EP 21198642 A EP21198642 A EP 21198642A EP 3974203 B1 EP3974203 B1 EP 3974203B1
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EP
European Patent Office
Prior art keywords
face
identification
layers
print
edge
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.)
Active
Application number
EP21198642.7A
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German (de)
English (en)
Other versions
EP3974203A1 (fr
Inventor
Franziska Peinze
Arthur Mathea
Oliver Muth
Stefan TRÖLENBERG
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.)
Bundesdruckerei GmbH
Original Assignee
Bundesdruckerei GmbH
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Publication date
Application filed by Bundesdruckerei GmbH filed Critical Bundesdruckerei GmbH
Priority to EP22210658.5A priority Critical patent/EP4163122B1/fr
Publication of EP3974203A1 publication Critical patent/EP3974203A1/fr
Application granted granted Critical
Publication of EP3974203B1 publication Critical patent/EP3974203B1/fr
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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
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/455—Associating two or more layers using heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/46—Associating two or more layers using pressure
    • 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
    • B42D25/475—Cutting cards

Definitions

  • the invention generally relates to document bodies, such as those used for security documents or the like.
  • the invention relates to document bodies that are flat, with an end face or edge being formed between the opposite outer sides, on which an identifier can be optically detected.
  • Modern valuable and/or security documents are often designed as laminated bodies and/or have a laminated body as a component. These lamination bodies are also referred to as document bodies. They can be, for example, ID cards, driving licenses, ID cards, company ID cards or even data pages from book-like documents such as passport books, passports and the like.
  • Security documents are those documents that have at least one feature that prevents or makes imitation, falsification and/or unauthorized production more difficult. Physical designs of security features are referred to as security elements.
  • serial number is an individual identifier.
  • the US02015022481 1A1 describes a document body according to the preamble of claim 1 with a laminate structure with one or more security features.
  • the laminate structure can be an identification document, such as. B. an identification card, and may include a core layer with one or more security elements located thereon. When light is irradiated into the core layer, the light strikes one or more of the security elements and is reflected back from the core layer, thereby providing an indication that the laminate structure contains the security elements and is therefore genuine.
  • the US020050087606A1 describes a map with non-visible or visible communication markers located on a portion of the map, preferably on the Circumferential edge area of the card is provided.
  • the markings When the communication markings are placed on the card edge surface, the markings may either be invisible to the naked eye or visible to the naked eye. Invisible markings can be applied to the edge surface using UV or IR ink printed with an inkjet printer.
  • the communication markers can be used to verify and track cards in card processing facilities, both before and during card personalization and before or after attachment to mailing forms. The communication markers can also be used for security purposes to prevent card fraud.
  • Markings and/or identifiers known in the prior art which are applied to an outside of the end faces, do not meet the requirements with regard to forgery protection, as are required, for example, for document bodies of security documents.
  • the invention is therefore based on the object of specifying a method and a document body with which a so-called front side identification that can be recognized from the front side and is difficult to forge can be realized, i.e. an identification that can be optically detected on the front side.
  • the invention is based on the idea of printing an identification on one of the layer surfaces in the form of an identification print and covering this surface with another layer during lamination, so that the printed surface in the finished document body is arranged inside the document body.
  • the identification print is applied in such a way that it extends to the end face of the finished document body. This ensures that the identifier can be detected on the front side of the document body.
  • a document body with a forgery-proof end face identifier which comprises: a flat lamination body which is formed from a plurality of thin layers which are laminated with their surfaces on one another, the lamination body having an upper side and an opposite underside and wherein between the upper side and the Underside at least one end face of the laminated body is formed, the areal extent of which is smaller than the areal extent of the top and bottom, the identifier being formed inside the laminated body, so that it can be optically detected on the at least one end face, the identifier being on one Layer surface of one of the layers is printed as an identification print, one surface being arranged inside the lamination body and the identification print extending on the layer surface to the end face.
  • Such a document body can be produced using a method for producing a document body with a forgery-proof end face identification, which comprises the steps: providing a plurality of thin layers; Laminating the several thin layers with their surfaces on top of each other so that a thin lamination body is formed, which has an upper side and an opposite underside, and wherein at least one end face of the laminated body is formed between the upper side and the underside, the areal extent of which is smaller than the areal extent of the upper side and the underside; and forming the end face identifier inside the laminated body so that it can be optically detected on the at least one end face, the identifier being printed onto a layer surface of one of the layers as an identification print before lamination and during lamination onto this printed layer surface another one of the layers is laminated directly , so that the printed one surface is arranged inside the lamination body, with the identification print extending on the printed layer surface to the end face.
  • An advantage of the invention is that the identifier can be integrated into the document body using a simple method, namely by printing it on one of the layers before lamination. Because the printed layer is laminated directly onto another layer, the identification print, which extends to the front side of the document body, can be detected on the front side, but is still protected against counterfeiting since it is located inside the document body.
  • one of the layers and another the layers laminated directly onto the layer surface printed with the identification print are made based on the same plastic material, and that the printing preparation with which the identification print is carried out is also made based on the same plastic material. This means that the two layers laminated directly to one another are made of the same plastic material and therefore form a very good, stable connection during lamination.
  • the material layers that correspond to the two layers from which they are made can often be distinguished in the document body in that they have, for example, different fillers, for example one of the layers is transparent and the other is opaque is.
  • the printing preparation with which the identification printing is carried out is made, for example, on the basis of a binder which has the same basic components as the plastic material of the layers. This can ensure that the identification pressure does not hinder the cohesive connection, but rather the binder is integrated into this cohesive connection.
  • the one layer and the other of the layers are formed from polycarbonate and the identification print is applied with a printing preparation which is formed with a binder with a polycarbonate derivative based on a geminal disubstituted dihydroxydiphenylcycloalkane.
  • a printing preparation which is formed with a binder with a polycarbonate derivative based on a geminal disubstituted dihydroxydiphenylcycloalkane.
  • a pressure preparation DE 10 2007 052 947 A1 Inkjet printing ink can be used.
  • a method for producing a composite from a first and a second polymer layer, each made from a polycarbonate polymer based on bisphenol A, is specified.
  • An inkjet printing layer is arranged on the first polymer layer.
  • the inkjet printing layer is formed of an inkjet printing ink formed with a binder containing a polycarbonate derivative based on a geminal disubstituted dihydroxydiphenylcycloalkane.
  • the second polymer layer is placed on the first polymer layer, the inkjet printing layer being covered, and the two polymer layers being laminated together under pressure at a temperature of 120 ° C to 230 ° C for a defined period of time.
  • the identification print is carried out to the edge of the one layer surface that is printed.
  • the identification print can be applied and the individual document bodies can be separated in such a way that the identification print of the respective document body is divided when the document body is separated.
  • the identification printing is carried out, for example, as a bar code, also known as a barcode.
  • a bar code also known as a barcode.
  • wide and narrow sections of the identification print can be seen on the front side parallel to the printed layer surface. This means: the lengths and positions of the individual printed sections as well as the distances between them form the identification or the coding with which information is stored in the identification print.
  • the identification print does not have to be monochrome, but can also be colorful and multi-colored. Different stripes or sections of the visible barcode can have different colors. Additional information can be encoded here. This means that information can be encoded in the sequence and/or the colors used. It is therefore also possible to encode the information only in the color or colors used.
  • the identification print is preferably carried out as a color print.
  • a color print is a print that uses at least two colorants that produce different color impressions.
  • the identification print is not printed symmetrically to the center of the end face with respect to a direction parallel to the printed surface. For example, if the identification print is carried out on one surface as a color gradient from red to blue along the printed edge, which is integrated into the front side, then a document body in which the top and bottom are swapped in a document body stack is easy to detect the color gradient on the front side is oriented in the opposite direction.
  • the identification print can be carried out in such a way that that opposite edges of the printed layer are designed differently and asymmetrically with respect to the main axes of inertia or symmetry axes of the document body.
  • the short end faces are provided with a front side identifier in such a way that, in a top view of one printed layer, one short side edge has a color gradient from one long side edge to the other long side edge from red to green and the other opposite short side edge has a color gradient from green to red from one long side to the other long side, then a rotation of the finished document body by 180 ° about an axis of rotation perpendicular to the top would not be recognizable.
  • the second side edge is provided with other colors, for example a color gradient from blue to yellow from one side edge to the other side edge, such a rotation of a document body about the axis perpendicular to the surface is noticeable.
  • the identification print is on the one layer surface or the material layer formed therefrom in the document body extends into the interior of the document body. In a preferred embodiment it is thus provided that the identification print is perpendicular to the at least one end face at least 1 cm, more preferably at least to the middle of the one printed layer surface and most preferably even over the entire printed surface from the at least one end face to an opposite end face, extends on the printed surface layer.
  • the end face identifier is thus preferably printed on one layer surface in such a way that it extends from one edge to an opposite edge or extends over a region of the layer surface which has a greater extent than an isolated document along the same extent.
  • the identification print is severed on both opposite end faces during separation.
  • a front side identifier is preferably also used as a hidden feature. This means that the identification print printed on the one layer surface from which the document body is formed and which is located inside the document body does not come from either the top or the bottom when viewed or detected in reflection, which is also called incident light detection is referred to, can be detected. Therefore, in one embodiment it is provided that between the top and the Identification print and the underside and the identification print at least one of the layers has sufficient opacity that the identification print cannot be detected for incident light detection, in which illumination with visible light and optical detection take place from the same side.
  • one of the layers whose layer surface is provided with the identification print can itself have sufficient opacity so that the identification print cannot be recognized or detected when viewed or detected from the unprinted layer surface, provided that this side is also illuminated.
  • Either a further opaque layer can be laminated onto the printed surface layer, or first one or more transparent layers and an opaque layer further above.
  • the opaque cover can also be produced by printing on a transparent layer, provided that this layer has a uniform, non-changing, therefore homogeneous appearance on the edge which faces the end face provided with the end face identification.
  • a further layer, which is opaque in volume, is preferably arranged above the identification print.
  • the opacities of the layers of the document body (or . Lamination body) are selected so that in a transmitted light detection, in which the document body (i.e. the lamination body) is arranged between the illumination source and the detection device, at least one contrast caused by the identification print can be detected.
  • 36° which is available, for example, under the name DECOSTAR 51S 20W 12V 36° GU5.3 from Osram GmbH, Kunststoff, is a suitable source of illumination for a document body whose dimensions are the The specifications of an ID-1 document correspond to the ISO/IEC 7810 standard to be able to capture the contrast caused by the identification print.
  • a hlogen spotlight has a luminous intensity of 480 cd (candela).
  • the nominal luminous flux at a cone angle of 90° is 210 Im (lumens).
  • White filled plastic layers ie white plastic layers in volume
  • polycarbonate can be added to titanium dioxide as a filler to maintain this property.
  • a document body designed in this way has an identification print that cannot be recognized (ie cannot be detected) from the top and bottom in reflected light under white light illumination, which causes a front side identification on one end face and can be recognized or detected in transmitted light as an identification print formed at least over part of the area. This can then be used to reliably check whether the end face identification is caused by the flat identification print or is compatible with it or deviates from it and is therefore generated via a marking subsequently added from the outside.
  • the end face identifier described can be formed on one end face or on opposite end faces or on all end faces of the document body.
  • the end face identifiers that can be detected on the individual end faces are different in such a way that one end face can be distinguished from the other end faces based on the end face identifier. It can then be decided whether two document bodies that have an identical structure and contain the same end face identifiers are aligned the same or differently in terms of their orientation.
  • the colorants used for identification printing are preferably body colors which, when detected upon irradiation with white light, produce a colored or black or gray impression, i.e. an optically detectable impression, compared to the background of the surface layer on which the identification print is applied.
  • Other embodiments can provide that alternatively or additionally luminescent colorants are contained in the identification print, the luminescence of which can only be detected upon excitation. Even with luminescent colorants, which cannot be detected when illuminated with visible light, for example, color printing can be carried out if two different luminescent colorants are used, which produce different color impressions when stimulated accordingly, for example with UV light.
  • an identification print that is carried out with body colors is preferred, since in this case the end face identification can be easily checked with the entire identification print without any additional aids in addition to a light source.
  • the identification print is only carried out with colorants that only have a body color and cannot be stimulated to luminescence.
  • a lamination body 10 which is laminated from document layers 20.
  • the lamination body 10 comprises an upper transparent layer 30, a front opaque layer 40, a transparent middle layer 50, which is also referred to as an identification layer, a rear opaque layer 60 and a lower transparent layer 70. These are in the illustrated Sequence laminated together to form the lamination body 10.
  • This lamination is preferably carried out in a high-pressure, high-temperature process.
  • all document layers 20 are made from the same plastic material, for example polycarbonate.
  • a marking print 45 here the letter “V” as an example, is printed on a front side 41 of the front opaque layer 40. Any information can be printed or applied to this layer 40 and other security elements and features can also be formed. Accordingly, a rear marking print, here as the letter “R”, is printed on an underside 62 of the rear opaque layer 60. To indicate that this is printed on the back/bottom 62 of the rear opaque layer 60, this letter “R” is shown upside down.
  • the identification print 100 is designed in this embodiment so that on an upper long end face 16 and on a lower long end face 17 (compare Fig. 2 ) no end face identification can be recognized (ie detected).
  • the identification print can be designed in such a way that end identifications can also be recognized (ie detected) on one or both long end faces 16, 17.
  • the identification print 100 extends from the left edge 53 of the layer surface 51 of the identification layer 50 to the right edge 54, which is diametrically opposite the left edge 53.
  • the identification print 100 includes a wide stripe 110 in a first color, which is indicated by squares.
  • the wide strip 110 runs obliquely from the left edge 53 to the opposite right edge 54 and begins near the upper edge 56 on the left side 53 and ends in the area of a center 55 of the right edge 54.
  • two narrow stripes 120, 130 in a second color, which is represented by circles, and a third color, which is represented by triangles, are printed on the layer surface 51 of the identification layer.
  • the wide strip and the two narrow strips 120, 130 are oriented parallel to one another.
  • the narrow stripe 130 furthest from the upper edge 56 begins above a center 58 of the left edge 53 and ends at the opposite right edge adjacent to the lower edge 57.
  • the narrow stripe 120 in the second color lies between the wide stripe 110 and the lower narrow one Strip 130.
  • the identification print is designed so that it extends both on the left edge 53 and on the opposite right edge 54. This leads to the fact that in the laminated document body 1 on the short end face 13 and the opposite short end face 14 there is an identifier as an end face identifier 412 or further end face identifier 423 (see Figs. 6a-9b ) can be detected when viewing or detecting the left end face 13 or the right short end face 14.
  • the identification print 100 extends away from the respective edge 53 or 54 on the layer surface 51 of the identification layer 50, it is not possible to remove the end identification 412 or 423 by milling off an edge or an end face of the document body 1 / or by another, which is applied, for example printed, to the left short end face 13 or right short end face 14.
  • Fig. 2 is the resulting document body 1, which is a lamination body 10 of the layers 20 laminated on one another, is shown schematically with its main axes of inertia I 210, II 220, III 230. These each run through the center of the document body 1 and the main axis of inertia I 210 additionally through the centers of the short end faces 13, 14, the main axis of inertia II 220 additionally through the centers of the long end faces 16, 17 and the main axis of inertia III 230 through the center of the top side 11 or .Bottom 12.
  • FIG. 3 the detection of the top side 11, ie the front side, of the document body 1 is shown schematically in reflected light.
  • a light source 310 illuminates the top side 11 of the document body 1.
  • a detection device 320 for example a camera, detects the front side or top side 11 of the document body 1.
  • the captured view 420 of the top side (front side) is shown in incident light, ie in reflection.
  • the foreground marking "V" can be seen against the background created by the material of the front opaque layer 40 (compare Fig. 1 ) is formed.
  • the identification print 100 is not recognizable.
  • the light source 310 again illuminates the document body 1, in this case from the underside 12 or back.
  • the detection device 320 ie the camera, detects the back or underside 12 from the same side from which the document body 1 is exposed.
  • On the right is the captured image 340 of the underside (back) in reflected light, ie in reflection.
  • You can see the rear marking print 65 which schematically represents the letter “R”. This can be perceived against the uniform background created by the opaque material of the rear opaque layer 60 (compare Fig. 1 ) is determined.
  • the front marking print and the rear marking print are only indicated here as examples and any printing techniques and motifs can be applied to the top side 41 of the front opaque layer or to the underside 62 of the rear opaque layer 60.
  • Fig. 5 the detection of the top side 11, ie the front side, of the document body 1 is shown schematically in transmitted light.
  • the light source 310 illuminates the document body 1 from the back 12.
  • the camera which is the detection device 320, detects the top side 11 of the document body 1, ie the front side.
  • On the right is the view 350 of the front (top) shown in transparency (ie in transmission).
  • the front marking print 45 can be seen in the form of the letter “V”.
  • the wide stripe 110 and the two narrow stripes 120, 130 can also be seen in transmitted light at least as a contrast, but usually also as a color shimmer.
  • the first color is represented here by unfilled squares, the second color by unfilled circles and the third color by unfilled triangles.
  • the rear marking print in the form of the upside down letter "R" shown in dashed lines can also be seen.
  • FIG. 6a, 6b; Fig. 7a, 7b; 8a, 8b and 9a, 9b Views of the two opposite short end faces 13, 14 of the document body 1 are shown for different orientations of the document body 1.
  • Fig. 2 the viewing direction or detection direction AA and the viewing direction or detection direction BB are displayed and in Fig. 6a and Fig. 6b the corresponding views of the left short end face 13 and the right short end face 14 schematically for basic orientation Fig. 2 shown.
  • the front side identifiers 412 and 423 are clearly visible.
  • FIG. 7a and Fig. 7b The view 410 of one end face and the view 420 of the opposite end face are shown accordingly, if in Fig. 2 the document body is rotated 180° about the main axis of inertia I 210.
  • the viewing directions or detection directions AA and BB are not changed by the rotations.
  • Fig. 8a and Fig. 8b the view 410 of one end face and the view 420 of the opposite end face are shown when the document body is shown Fig. 2 starting from the basic orientation shown in the figure, the main axis of inertia III 230 is rotated by 180°.
  • FIG. 10 The top view of an identification layer 50 can be seen schematically, which has a curved colored flag 140 with a black stripe 141, a red stripe 142 and a gold (yellow) stripe 143 as an identification print 100 adjacent to the left edge 53.
  • a completely black, also curved flag 150 extends from the right edge 55 towards the center. If this identification layer is laminated into a document body in such a way that the layer surface 51 of the printed identification layer 50 is inside the Document body 1 is located, a front side identifier can be seen on a short end face, which changes from black to red to yellow, whereas on the opposite end face another end face identifier with a continuous black stripe can be seen.
  • identification print is carried out on the basis of the same plastic material from which the document layers are made, onto which the identification print is applied or with which the identification print is covered.
  • identification print is preferably applied to one of these layers using a print, for example an inkjet print, which uses a printing preparation or ink that is also made based on polycarbonate or a polycarbonate derivative. Printing inks with a binder made of a polycarbonate derivative are particularly suitable.
  • a binder is particularly preferably formed with a polycarbonate derivative based on a geminal disubstituted dihydroxydiphenylcycloalkane.
  • polycarbonate layers printed with such an ink can be connected to one another in such a way that an integral document body results in which no phase transitions can be seen at the original layer transitions in the plastic structure are.
  • the material layers corresponding to the original layers can still be identified, for example due to the different filling or non-filling of transparent material layers in the document body.
  • the document bodies described here can also have a different number of layers. Furthermore, any other security features can be entered into the document body.
  • the identification printing can be carried out using colorants that represent body colors.
  • Alternative embodiments may also contain luminescent colorants. These can, for example, be transparent in transmission and reflection in the visible spectrum of light. However, if these are irradiated with UV light of a certain wavelength, they emit light in the visible wavelength range.
  • Other luminescent substances are also possible that have a so-called up-conversion property and emit light in the visible wavelength range when excited in the IR range.
  • the identification print in which the luminescent colorants can only be excited with UV light, the identification print cannot be recognized either in reflected light or in transmitted light when using light in the visible wavelength range. The end face identification cannot be recognized when using light in the visible wavelength range. However, if ultraviolet light is irradiated, both the front side identification and the identification print can be seen equally in reflected light and transmitted light.
  • the identification print is carried out using both body colors and luminescent colorants.
  • the identification print is preferably covered on the top and bottom of the document body by an opaque layer, which is at When viewed in reflected light with light in the visible wavelength range, the identification print is obscured.
  • the layers are preferably designed in such a way that the identification print can be detected in transmitted light when viewed with light in the visible wavelength range.
  • the layers can be designed in such a way that when the luminescence is excited, this luminescence and thus also the identification print can be detected via the top and/or the bottom.
  • the luminescent light can only be detected via the end faces of the document body, although the identification print can be detected in transmitted light via the top and bottom due to the body color. This can be achieved by having the layers covering the identification print on the top and bottom of the document body absorb the wavelengths of luminescent light, but not all wavelengths of visible light.
  • embodiments are also possible in which the identification print is covered by opaque layers or layers of material on the top and bottom so that it cannot be detected in transmitted or reflected light. This applies both to embodiments in which the identification print can be stimulated to luminescence, as well as to embodiments in which the identification print does not have any luminescent agents.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Credit Cards Or The Like (AREA)

Claims (10)

  1. Corps de document (1) avec identification de face (412, 423) frontale infalsifiable, comprenant un corps stratifié (10) plat, qui est formé de plusieurs couches (20) minces, qui sont stratifiées les unes sur les autres par leurs surfaces, le corps stratifié (10) présentant une face supérieure (11) et une face inférieure (12) opposée et au moins une face frontale (13, 14, 16, 17) du corps de lamination, dont l'extension en surface est inférieure à l'extension en surface de la face supérieure (11) et de la face inférieure (12), une identification étant réalisée à l'intérieur du corps de lamination (10), de sorte que celle-ci est visible sur la au moins une face frontale (13, 14, 16, 17), l'identification étant imprimée sur une surface de couche (51) de l'une des couches (50) sous la forme d'une impression d'identification (100), l'une des surfaces de couche (51) étant disposée à l'intérieur du corps de stratification (10) et l'impression d'identification (100) s'étendant sur la surface de couche (51) jusqu'à la au moins une face frontale (13, 14, 16, 17), l'une des couches (50) et une autre des couches (40) laminée directement sur la surface de couche (51) imprimée avec l'impression d'identification (100) sont fabriquées à base du même matériau plastique, caractérisé en ce que la préparation d'impression avec laquelle l'impression d'identification (100) est réalisée est également fabriquée à base du même matériau plastique.
  2. Corps de document (1) selon la revendication 1, caractérisé en ce que l'une des couches (50) et l'autre des couches (40) sont formées de polycarbonate, et l'impression d'identification (100) est imprimée avec une préparation d'impression formée avec un liant comprenant un dérivé de polycarbonate à base d'un dihydroxydiphénylcycloalcane disubstitué de manière géminale.
  3. Corps de document (1) selon l'une des revendications précédentes, caractérisé en ce qu'entre la face supérieure (11) du corps de lamination (10) et l'impression d'identification (100) et la face inférieure (12) du corps de lamination (10) et l'impression d'identification (100), respectivement au moins une des couches (20 ; 30, 40, 60, 70) présente une opacité suffisante pour que l'impression d'identification (100) ne puisse pas être détectée lors d'une détection par lumière réfléchie, lors de laquelle un éclairage avec de la lumière visible et une détection optique sont effectués à partir du même côté du corps de lamination (10).
  4. Corps de document (1) selon la revendication 3, caractérisé en ce que les opacités des couches (20) du corps de document (1) sont choisies de telle sorte que, lors d'une détection par transmission avec une lumière dans la plage de longueurs d'onde visible, dans laquelle le corps de document (1) est disposé entre la source d'éclairage (310) et le dispositif de détection (320), au moins un contraste provoqué par la pression d'identification (100) peut être détecté.
  5. Corps de document (1) selon l'une des revendications précédentes, caractérisé en ce que l'impression d'identification (100) s'étend perpendiculairement à partir de la au moins une face frontale (13, 14, 16, 17) du corps de document (1) sur au moins 1 cm, de préférence au moins jusqu'au milieu de la une surface de couche imprimée (51) ou encore plus préférentiellement sur toute la surface de couche imprimée (51) de la une couche (50), de la au moins une face frontale (13) à une face frontale opposée (14), sur la couche de surface imprimée (50).
  6. Procédé de fabrication d'un corps de document (1) avec identification de face infalsifiable (412, 423) comprenant les étapes suivantes : Préparation d'une pluralité de couches minces (20) ; stratifier la pluralité de couches minces (20) avec leurs faces l'une sur l'autre de manière à former un corps stratifié mince (10) ayant une face supérieure (11) et une face inférieure opposée (12), et dans lequel, entre la face supérieure (11) et la face inférieure (12), au moins une face frontale (13, 14, 16, 17) du corps de lamination, dont l'extension en surface est inférieure à l'extension en surface de la face supérieure (11) et de la face inférieure (12), et la formation de l'identification de face frontale (412, 423) à l'intérieur du corps de lamination (10), de sorte que celle-ci peut être détectée optiquement sur la au moins une face frontale (13, 14, 16, 17), dans lequel, pour former l'identification de la face frontale, une identification est imprimée sur une surface de couche (51) de l'une des couches (50) en tant qu'impression d'identification (100) avant le laminage, et lors du laminage, une autre des couches (40) est directement laminée sur cette surface de couche imprimée (51), de sorte que l'une des surfaces de couche imprimée (51) est disposée à l'intérieur du corps de laminage (10), l'impression d'identification (100) s'étendant sur la surface de couche imprimée (51) jusqu'à la au moins une face frontale (13, 14, 16, 17), l'une des couches (50) et l'autre des couches (40) directement laminée sur la surface de couche (51) imprimée avec l'impression d'identification (100) étant préparées à base du même matériau plastique, caractérisé en ce que l'impression d'identification (100) est réalisée avec une préparation d'impression qui est également fabriquée à base du même matériau plastique.
  7. Procédé selon la revendication 6, caractérisé en ce que l'une des couches (50) et l'autre des couches (40) sont fournies sous forme de couches de polycarbonate, et l'impression d'identification (100) est imprimée avec la préparation d'impression formée avec un liant comprenant un dérivé de polycarbonate à base d'un dihydroxydiphénylcycloalcane disubstitué de manière géminale.
  8. Procédé selon la revendication 6 ou 7, caractérisé en ce que l'impression d'identification (100) est réalisée jusqu'au bord (53) de l'une des surfaces des couches (51) ou en ce que l'impression d'identification (100) est divisée lors de la séparation du corps du document (1).
  9. Procédé selon les revendications 6 à 8, caractérisé en ce que l'impression d'identification (100) est réalisée sous forme d'impression couleur.
  10. Procédé selon l'une quelconque des revendications 6 à 9, caractérisé en ce que l'impression d'identification (100) est réalisée sous forme de code à barres ou de motif à bandes.
EP21198642.7A 2020-09-23 2021-09-23 Corps de document à identification de la face avant Active EP3974203B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22210658.5A EP4163122B1 (fr) 2020-09-23 2021-09-23 Corps de document avec un identifiant de face frontale visiblement vérifiable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020211950.3A DE102020211950A1 (de) 2020-09-23 2020-09-23 Dokumentkörper mit Stirnseitenkennung

Related Child Applications (2)

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EP22210658.5A Division-Into EP4163122B1 (fr) 2020-09-23 2021-09-23 Corps de document avec un identifiant de face frontale visiblement vérifiable
EP22210658.5A Division EP4163122B1 (fr) 2020-09-23 2021-09-23 Corps de document avec un identifiant de face frontale visiblement vérifiable

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EP3974203A1 EP3974203A1 (fr) 2022-03-30
EP3974203B1 true EP3974203B1 (fr) 2023-11-01

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EP22210658.5A Active EP4163122B1 (fr) 2020-09-23 2021-09-23 Corps de document avec un identifiant de face frontale visiblement vérifiable
EP21198642.7A Active EP3974203B1 (fr) 2020-09-23 2021-09-23 Corps de document à identification de la face avant

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050087606A1 (en) * 2003-10-24 2005-04-28 Datacard Corporation Card edge marking
EP1970211A1 (fr) 2007-03-12 2008-09-17 Gemalto Oy Document d'identification sécurisée et son procédé de fabrication
DE102007052947A1 (de) 2007-10-31 2009-05-07 Bayer Materialscience Ag Verfahren zur Herstellung eines Polycarbonat-Schichtverbundes
EP2893515B1 (fr) 2012-09-03 2018-05-09 Assa Abloy AB Stratifié sûr ayant une caractéristique de sécurité sur le bord
DE102019113569A1 (de) 2019-05-21 2020-11-26 Bundesdruckerei Gmbh Wert- oder sicherheitsdokument sowie verfahren zu dessen herstellung

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EP3974203A1 (fr) 2022-03-30
DE102020211950A1 (de) 2022-03-24
EP4163122A1 (fr) 2023-04-12
EP4163122B1 (fr) 2023-11-29

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