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EP3317113A1 - Document de sécurité pourvu de couches de matière opaques microperforées et son procédé de fabrication - Google Patents

Document de sécurité pourvu de couches de matière opaques microperforées et son procédé de fabrication

Info

Publication number
EP3317113A1
EP3317113A1 EP16735850.6A EP16735850A EP3317113A1 EP 3317113 A1 EP3317113 A1 EP 3317113A1 EP 16735850 A EP16735850 A EP 16735850A EP 3317113 A1 EP3317113 A1 EP 3317113A1
Authority
EP
European Patent Office
Prior art keywords
openings
material layers
cross
opaque
layers
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
EP16735850.6A
Other languages
German (de)
English (en)
Other versions
EP3317113B1 (fr
Inventor
Olga Kulikovska
Stefan TRÖLENBERG
Matthias VORO
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
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 Bundesdruckerei GmbH filed Critical Bundesdruckerei GmbH
Publication of EP3317113A1 publication Critical patent/EP3317113A1/fr
Application granted granted Critical
Publication of EP3317113B1 publication Critical patent/EP3317113B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/346—Perforations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/351—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
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/43—Marking by removal of material
    • B42D25/435—Marking by removal of material using electromagnetic radiation, e.g. laser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers

Definitions

  • the invention relates to a security document which is produced from a plurality of substrate layers, and to the production thereof.
  • the invention relates to such security documents comprising microperforated opaque substrate layers.
  • Modern value and / or security documents in particular card-shaped value and / or security documents made of polycarbonate (PC), are often produced in the form of composite bodies.
  • the composites are made up of several
  • Substrate layers together wherein the substrate layers are laminated into a composite body.
  • security documents which comprise at least one security feature.
  • Security features are those features that make it difficult to imitate, falsify and / or duplicate a document.
  • security documents often include individual security features that are difficult to produce, security documents are often corrupted. This means that manipulations are performed on a genuine and authorized security document, for example by modifying individual information stored in the document. For example, for security documents associated with a person, such as passports, identity cards, driver's licenses,
  • Identification cards or the like in this case, for example, a person identifying data exchanged and / or modified.
  • an attempt is made to arrange security features inside the security document in order to make access to these security features more difficult.
  • microperforations are created. At the positions where such apertures are formed, light may pass through the opaque layer.
  • a microperforation can form personalized and / or non-personalized patterns. If a security document is provided with such an opaque substrate layer or material layer, then the pattern or the Microperforation with appropriate lighting, such as a backlight, for a human observer or by means of technical aids visible and verifiable.
  • a security document comprises at least one further opaque substrate or material layer.
  • perforations or a micro-perforation are also formed, can pass through the light. If the openings of the opaque substrate or material layer and the openings of the further opaque substrate or material layer are positioned corresponding to one another, then light can pass through the openings of both layers. In this way, different, even from the
  • a disadvantage of the above-mentioned security documents and methods is that, when using at least two opaque substrate or material layers with introduced perforations or microperforations, a precise arrangement of the two layers one above the other is necessary, so that the individual openings lie one above the other in pairs and light through both apertures the one as well as the other opaque substrate or material layer can pass through. Even a small deviation of the relative positions leads to unwanted optical effects, ranging from unwanted brightness variations by partial coverage of the openings to complete covering or covering and unwanted
  • Patterning can range.
  • Microperforations include the use of such microperforations in partially transparent electronic document cards where electronic elements are located between and concealed by the two opaque substrate or material layers. It is thus desirable to have a security document and a security document manufacturing method in which the placement of at least two opaque substrate layers having apertures therein is improved so that no spurious patterning occurs.
  • the invention is therefore based on the problem to provide a security document and a manufacturing method in which arranging the openings in different substrate layers is simplified and thus improved.
  • the invention is based on the idea to change the geometric shape of the cross sections of the openings so that an arrangement of openings in two opaque layers is simplified one above the other. This is achieved by the
  • the geometric shapes have a longitudinal direction, which have a relation to transverse directions, larger, preferably even maximum, extent.
  • Substrate layer or material layer are or are then compared to the
  • the targeted positioning or arranging the openings in the at least two opaque layers additionally makes it possible to adjust the brightness values for each pixel formed from a pair of apertures, so that a further dimension for influencing the visual impression is created.
  • a security document is any document that comprises at least one security feature, usually a plurality of different security features.
  • Security documents include, for example, ID documents, passports, identity cards, identification cards, driving licenses, vehicle registration documents,
  • each feature is referred to, which makes an imitation, falsification, manipulation or the like of an object impossible or difficult.
  • the substrate layer is here understood in each case as a self-supporting flat entity.
  • Flat in this context means that a material thickness of the substrate layer perpendicular to a planar extension of a top and a bottom, which are oriented substantially parallel to each other, is substantially smaller than the edge lengths of these top and bottom.
  • a substrate layer may in particular in the form of a Film can be provided, which can be present as a sheet or endless material from a roll.
  • a substrate layer perpendicular to the main surfaces has a uniform material thickness measured at all locations parallel to the surface normal.
  • a bulk layer is a layer having a finite layer thickness of an article, in particular a composite body.
  • the material layer is considered to be a bulk layer in a composite which has a substantially homogeneous nature with regard to its thermoplastic base material.
  • Openings are hollow volumes that form a connection between two opposing surfaces through a substrate layer.
  • An opening represents the smallest unit of a microperforation, but in the following a multiplicity of such openings need not necessarily be arranged regularly or uniform. Preference is given to openings with a diameter of 0.2 mm to 2.5 mm. In particularly preferred embodiments, the
  • Perforations diameter ranging from 0.3 mm to 2 mm. In very particularly preferred embodiments, the diameters are in the range of 0.4 mm to 1.7 mm. By diameter is meant the largest extent of an aperture across the aperture direction.
  • the opening direction is the direction along which the opening is formed. This direction may coincide with or be inclined with a surface normal of the substrate layer. In case of doubt, the direction of breakthrough, the direction assumed, is perpendicular to the maximum diameter.
  • transparent or translucent and opaque refer in each case to the state which a material assumes after lamination with the high-temperature high-pressure lamination process.
  • polycarbonate films which form transparent layers of material in the finished composite body are often in front of the latter
  • An opaque substrate layer which is likewise produced, for example, on a polycarbonate basis, can be made opaque, for example via additives of titanium dioxide, so-called titanium white.
  • An arrangement pattern denotes a set of apertures arranged in the form of a pattern such as a character, a number or an image. The arrangement pattern can comprise both information about a position and an orientation of the openings on a substrate or material layer.
  • Non-rotationally symmetrical cross-sectional areas of apertures have one or optionally a plurality of preferred directions, which are determined by means of predetermined
  • Criteria can or can be determined. A sense of a maximum
  • Longitudinal extent or longitudinal extent of the cross-sectional area can be selected as excellent direction.
  • that straight line path with maximum extension, which connects two points of the cross-sectional area can define the preferred direction.
  • the direction of the route determines the preferred direction.
  • an orientation is usually irrelevant, at least if the cross-sectional area is symmetrical to the line indicating the preferred direction.
  • the main axis passing through both focal points may indicate the preferred direction.
  • the preferred direction may be indicated, for example, by a maximum-length path which has a centroid of the cross-sectional area with another point of the
  • Cross-sectional area connects.
  • the centroid is the point in the plane of the cross-sectional area for which the first moment of the points of the cross-sectional area is zero. If there are several preferential directions according to one criterion, several predefined criteria can be used together for the determination, in order to arrive at a clear preferred direction as far as possible. However, if a cross-sectional area has a symmetry, then several directions can be similar. It can then be selected a direction. The preferred direction is due to the shape of the
  • Cross-sectional area set transversely to the direction of breakthrough.
  • the preferred direction of the cross-sectional area of an opening also determines the preferred direction of
  • the case of a rectangular (not square) cross-sectional area will be considered here.
  • the diagonals set equal preferential directions with respect to the criterion that the direction is determined by the maximum-length path connecting two points of the cross-sectional area. If one chooses, however, as the criterion that a direction of the path of maximum length is selected as the preferred direction, with respect to which the cross-sectional area has a mirror symmetry, the choice of the preferred direction becomes clear.
  • the distance (center-long distance), which connects the centers of the short side edges determines the preferred direction.
  • suitable criteria for a particular cross-sectional shape in order to determine a predetermined by the form suitable and preferably unique preferred direction.
  • a direction of a longitudinal side edge can also be selected as a criterion for the determination.
  • Breakthroughs are rotated against each other when the cross-sectional areas are rotated perpendicular to the respective aperture directions against each other.
  • Cross-sectional areas are rotated relative to one another if their preferred directions (or, in the case of a plurality of equivalent preferred directions, corresponding to one another)
  • Preferred directions intersect at an angle. If the openings are formed in different layers of material which are superimposed on one another, the preferred direction of the one cross-sectional area of the one opening in the one material layer along the opening direction of the other opening in the other material layer is in the plane of the cross-sectional area of the other
  • Cross-sectional area is this, at least for the specified by the longitudinal central axis preferred direction, not the case.
  • a triangular cross-sectional area of a non-equilateral triangle there is a natural preferred direction, which can also be assigned a preference orientation.
  • apertures or their cross-sectional areas "rotated or rotated at an angle to one another" means that their preferred directions intersect at an angle when projecting into a common plane The imaginary axis of rotation is perpendicular to this common plane.
  • Two cross-sectional areas overlap one another with respect to a direction when, after being projected along this direction, they are in a common plane whose
  • a security document comprising a laminated document body having a front side and a back side, the laminated document body having at least two opaque material layers each having an inner side and an outer side, the inner sides of the at least two opaque ones
  • Openings in a plane of the material layers are not formed rotationally symmetric, wherein a plurality of cross-sectional areas of the openings of one of the at least two opaque material layers is rotated relative to cross-sectional areas of the openings in a second of the at least two opaque material layers.
  • a method for producing a security document comprising the following steps: providing at least two opaque substrate layers each having an inner side and an outer side, the inner sides of the at least two opaque layers facing one another, and the at least two opaque ones Substrate layers have openings; Arranging the first and second of the at least two opaque substrate layers to form a substrate layer stack, laminating the substrate layer stack to one
  • Openings in a second of the at least two opaque layers of material is twisted.
  • the advantage of the invention is that the asymmetrical cross-sectional areas of the openings of the substrate layers are easier to arrange one above the other, so that a larger tolerance range with respect to the arrangement of the openings is present in the production of the security document. This increases the quality and the
  • Material layers are arranged, they are all at least in the area in which the openings are formed in the at least two opaque material layers, all at least translucent, preferably all clear and transparent.
  • the openings can be introduced for example by means of a laser processing.
  • areas in which openings are to be formed are locally heated with a laser, so that it leads to a plastic deformation of the
  • Openings can be refilled during subsequent lamination by receiving transparent material of adjacent substrate layers.
  • Laser processing allows a flexible and made for each
  • the introduced apertures can be formed, at least in partial regions of one of the at least two opaque substrate or material layers, at an angle to the surface normal of the plane.
  • the openings, at least in partial areas of one of the at least two opaque material layers, may be formed parallel to the surface normal of the plane.
  • Symmetrieverminderung have.
  • a particularly advantageous embodiment therefore provides that a geometric shape of the cross-sectional areas of the
  • Breakthroughs in each case a longitudinal direction can be assigned, wherein the geometric shape in the longitudinal direction has a greater expansion in comparison with dimensions in transverse directions.
  • the cross-sectional areas of the openings in a plane of the material layers have the form of ellipsoids, rectangles, crescents or rhombuses.
  • Openings in the plane of the material layers each have a preferred direction.
  • the preferred direction is in each case the direction of the longitudinal direction of
  • Material layers arranged at least one transparent or translucent material layer is also referred to here as an intermediate layer.
  • opaque security features or structures may be formed or arranged, for example a microchip and antenna structures or the like.
  • a direct light path starting from the apertures in the first of the at least two opaque substrate or material layers toward the apertures in the second of the at least two opaque substrate or material layers is then no longer necessary.
  • a difference in the observable brightness between openings with a direct passage of light and "indirectly" backlit apertures is not or barely perceptible. If pattern arrangements of the apertures in the two opaque substrate or material layers are then formed differently, the optical impressions of the front and the back are differently.
  • the openings in the opaque substrate or material layers are arranged one above the other so that in certain areas light can pass through the openings of both opaque substrate or material layers and thus becomes visible on the opposite side .
  • Cross-sectional areas of the openings of the one of the at least two opaque substrate or material layers and the cross-sectional areas of the openings of the second of the at least two opaque substrate or material layers, at least for a part of the cross-sectional areas of the openings, each, at least partially, one above the other with respect to an excellent viewing direction are arranged.
  • One above the other means that light can penetrate in a straight line directly from the front of the document body to the back of the document body, or light can penetrate directly from the back of the document body to the front of the document body. This effect can be realized with the at least one transparent or translucent material layer or without the at least one transparent or translucent material layer.
  • the cross-sectional areas of the openings each have the same shape. This facilitates the
  • Manufacturing process for example, the fact that parameter values of the geometric shapes of the openings are the same. This reduces the planning effort. In addition, results for a viewer a uniform visual impression for each of the openings.
  • Material layers in the plane of the substrate or material layers in each case with respect to a rotational axis which is oriented transversely or perpendicular to the substrate or material layers are rotated at an angle to each other.
  • the apertures are provided for viewing under a viewing direction which does not coincide with the direction of the surface normal of the
  • cross-sectional areas are preferably based on this viewing direction or their preferred directions with respect to this
  • the cross-sectional areas of the openings each have the same shape. To provide a see-through security feature, it is advantageous if the
  • Cross-sectional surfaces of the openings of the second of the at least two opaque material layers overlap are rotated in the plane of the material layers in each case at an angle to each other.
  • Security documents which comprise individual information in the form of a personalized security feature can be regarded as being particularly secure against counterfeiting or imitation. Therefore, an embodiment in which it is provided that an arrangement pattern of the
  • Cross-sectional areas of the openings in at least one of the at least two opaque substrate or material layers forms or represents a personalization information.
  • arrangement patterns in the form of numbers, letters, texts or images are possible.
  • an arrangement pattern be it personalized or not personalized, can be designed.
  • the openings of the first and the second of the at least two opaque material layers are positioned and / or formed in the same arrangement patterns.
  • the visual impression of the array patterns may be identical or substantially identical to an optical impression when viewed from the back.
  • the visual impression when viewed from the back can also correspond to a mirrored optical impression of the front.
  • a third embodiment of the arrangement pattern is possible.
  • the openings of the first and the second of the at least two opaque substrate or material layers are positioned and / or formed in different arrangement patterns.
  • the arrangement patterns are then different when viewing the front side and when viewing the back side, and also can not be converted into one another via symmetry operations.
  • a particularly advantageous embodiment provides that in particular at
  • Material layer between the at least two opaque material layers, at least one of the at least two opaque substrate or material layers, at least on the insides is white.
  • the insides of the at least two opaque substrate or material layers are white. This has the advantage that light that through the openings of the one of the at least two opaque substrate or
  • Material layers has already entered into the transparent substrate or material layer, reflected on the or the insides and / or at least remitted and / or scattered, so that a total of repeated reflection, remission and / or scattering takes place within the transparent substrate or material layer , This makes it possible, for example, for areas which have openings for only one of the at least two opaque substrate or material layers to become accessible to backlighting. So light that is at a different position through the
  • Breakthroughs of one of the at least two opaque layers repeatedly passes from the insides, remitted and / or scattered and thus reaches a non-directly illuminated area, where it emerges through the apertures in the second of the at least two substrate or material layers
  • the openings of the first of the at least two opaque Substratg. Material layers and the openings of the second of the at least two opaque substrate or material layers are arranged so that when viewing the observers facing openings for different areas on the security document different brightness values are generated. In this way it is possible to create images with different brightness values and to provide an additional feature to increase the security against counterfeiting.
  • Different brightness values are achieved, for example, in that the overlap of two apertures arranged one above the other is or will be of different sizes. Depending on how large the overlap is, then more or less light can pass directly through the cross section formed jointly by the two openings. Another possibility is the variation of the size and / or geometric shape of a cross section of the individual openings. This also makes it possible, above all, to achieve different brightness values for the same area on a front side and a rear side of the security document.
  • Breakthroughs in the at least two opaque substrate or material layers may provide another security feature in the security document.
  • the security feature is formed in the form that in each case only one pattern arrangement is visible on the side of the security document facing a viewer, without the pattern arrangement of the side facing away from the viewer being visible.
  • Inner sides of the at least two opaque layers of material are selected so that when backlighting the back of the document body and at the same time
  • the dimensions of the cross sections of the openings for example, be> 100 ⁇ , for example, the layer thickness of the transparent Substratz. Material layer between the at least two opaque substrate or
  • Material layers larger than the dimensions can be selected. Light that passes through the apertures in the opaque substrate or material layer on the side facing away from the viewer in the document body is then often enough reflected and / or remitted and / or scattered within the transparent substrate or material layer, so that a diffuse and homogeneous backlighting of the openings in the opaque substrate or material layer takes place on the side facing the observer. In the homogeneous backlighting, the pattern arrangement of the openings in the opaque layer on the side facing away from the viewer no longer off. Thus, only the pattern arrangement of the openings in the opaque layer on the side facing the viewer is visible. If the security document is turned to the other side and viewed from there, the same effect can be achieved, provided that the openings in the second of the at least two opaque substrate or
  • Material layers are selected accordingly. Decisive here is always that a backlight in a viewer for the apertures facing him, the leaking light at least partially originates from a direct radiation, does not cause particularly high brightness to breakthroughs whose light only from a multiple reflection, remittance and / or scattering in the transparent substrate or material layer produced diffuse backlighting comes.
  • the homogeneous backlighting can provide low brightness as a base value.
  • the apertures are made larger, so that a total of more light can pass through the apertures of the side facing the observer. In this way, a plurality of pattern arrangements can be formed, which have different bright areas.
  • a security document according to the invention may also comprise further security features. These can be applied to the at least two opaque or else further substrate layers, for example by means of printing processes.
  • the security features may also be holograms of any kind or electronic components.
  • the document body may also comprise one or more protective layers.
  • the substrate layers or the document body preferably consists of
  • Security document with openings in the prior art a schematic plan view of an opaque substrate layer with a pattern arrangement of openings from the prior art; to illustrate the problems in the prior art, a schematic plan view of a security document, in which two opaque
  • Substrate layers with openings are arranged incorrectly one above the other; a schematic representation of a cross section through a
  • Embodiment of the invention a schematic representation of a plan view of a first opaque substrate layer of an embodiment of the invention; a schematic representation of a plan view of a second opaque substrate layer of the embodiment of the invention; a schematic representation of a plan view of the first and the second stacked substrate layers of the embodiment of the invention; another embodiment in which different pattern arrangements are formed on the front and the back of the security document; another embodiment in which different pattern arrangements are formed on the front and the back of the security document; another embodiment in which different pattern arrangements are formed on the front and the back of the security document; a schematic representation of a front of another
  • Embodiment of Fig. 9a a schematic representation of a pattern arrangement on a front side of an embodiment; a schematic representation of a pattern arrangement on a back side of the embodiment of Fig. 10a; a schematic representation of the arrangement of the pattern arrangements of the embodiments of Fig. 10a and Fig. 10b; a schematic representation of an optical impression at
  • 1 1 is a schematic flow diagram of the method for producing a security document according to the invention.
  • FIG. 1 is a schematic representation of a cross section through a
  • the security document 1 shown in the prior art.
  • the security document 1 in this case comprises a plurality of material layers 3 formed from substrate layers 2.
  • Such substrate layers 2 or material layers 3 may be formed, for example, as transparent substrate layers 4, as opaque substrate layers 5 or as substrate layers 2 with electronic components 6.
  • the opaque substrate layers 5 are identified by hatching in FIG. 1 and in the following.
  • the opaque 5 substrate layers 2 have round apertures 7, 7 ', which cause light at the positions of the perforations 7, 7' formed by hollow volumes to pass through the opaque substrate layers 2.
  • FIG. 2 shows a schematic plan view of an opaque substrate layer 5 from the prior art.
  • the opaque substrate layer 5 comprises round openings 7 arranged in a regular pattern arrangement 8.
  • FIG. 3 shows a schematic plan view of a prior art security document 1 according to the embodiment shown in FIG. 1, in which two opaque substrate layers 5, each with round apertures 7, 7 ', are arranged incorrectly one above the other.
  • the first opaque substrate layer 9 is displaced laterally relative to the second opaque substrate layer 10, so that the round apertures 7, 7 'of both opaque substrate layers 9, 10 are not arranged exactly one above the other.
  • the consequence of the erroneous arrangement is that unwanted patterns 1 1 can arise, which too
  • FIG. 4 is a cross section through a simple embodiment of the invention is shown.
  • a security document 1 comprises a document body 200.
  • Document body 200 in this case comprises a first opaque material layer 201 and a second opaque material layer 202, which are arranged one above the other.
  • the respective inner sides 205 of the two opaque material layers 201, 202 face each other and the respective outer sides 206 point in the direction of the front 30 and the back 31 of the document body 200.
  • a transparent material layer 203 is arranged between the two opaque material layers 201, 202.
  • the document body 200 is protected on its front side 30 and its rear side 31 by an optional protective layer 204. Openings 12 are introduced into the first opaque material layer 201 so that light can pass through the first opaque material layer 201 at these locations. Also in the second opaque
  • Material layer 202 perforations 12 ' are formed, wherein they have a greater extent in cross-section than the openings 12 in the first opaque material layer 201, since their longitudinal directions 14, 14' are oriented at right angles to each other.
  • the direction 14 is perpendicular to the plane of action. Because the
  • Positions are formed as the openings 12 'in the first opaque
  • Material layer 201 light can pass from the front side 30 of the document body 200 to the back 31 of the document body 200.
  • different optical impressions can be obtained when viewed from the front 30 and from the back 31.
  • a substrate layer refers to a layer before lamination and a
  • FIG. 4 a shows an embodiment similar to that according to FIG. 4, but in which the transparent material layer 203 of the embodiment according to FIG. 4 is missing.
  • FIG. 5 a schematically shows a first opaque substrate layer 9.
  • Substrate layer 9 comprises a regular pattern arrangement 8 Openings 12.
  • the pattern arrangement 8 here comprises a field of 8 by 8
  • cross sections 17 of the apertures 12 are in each case not rotationally symmetrical.
  • the apertures 12 are in each case not rotationally symmetrical.
  • the apertures 12 may have been introduced, for example, by means of local laser processing of the opaque substrate layer 9. In principle, however, other methods can be used. Typically, the dimensions of the cross sections 17 of the geometric shapes of the apertures 12 are> 100 ⁇ . Depending on
  • FIG. 5b schematically shows a second opaque substrate layer 10.
  • the second opaque substrate layer 10 comprises a regular pattern arrangement 8 '
  • Openings 12 ' According to the pattern arrangement 8 of the first opaque
  • Substrate layer 9, the pattern assembly 8 'of the second opaque substrate layer 10 here also includes a field of 8 x 8 openings 12'.
  • cross-sections 17 of openings 12 ' are also not rotationally symmetrical in this case, but are in the form of rectangles 18, for example.
  • the rectangles 18 are rotated in relation to the rectangles 13 in the first opaque substrate layer 9 by approximately 90 ° in the plane of the substrate layers 9, 10, so that a
  • FIG. 5 c The advantage of the invention is shown in FIG. 5 c, in which the first 9 and the second 10 opaque substrate layers are arranged one above the other in a plan view.
  • Substrate layers 9, 10 laterally opposite the second 10 of the two opaque Substrate layers 9, 10, so the overlap cross section 19 over almost the entire length of the longitudinal directions 14, 14 'remains the same. This offers an advantage for that
  • Substrate or material layers 9, 10 improve.
  • the manufacturing process is less expensive and thus less expensive.
  • FIG. 6 shows by way of example a further embodiment.
  • a first opaque substrate or material layer 9 is over a second opaque substrate or
  • Material layer 10 is arranged. In both opaque substrate or material layers 9, 10 openings 12 12 'are formed.
  • the apertures 12 in the first opaque substrate or material layer 9 have a longitudinal direction 14 in the vertical direction
  • the apertures 12 'in the second opaque substrate or material layer 10 have a longitudinal direction 14' in the horizontal direction, so that the longitudinal directions 14, 14 'the openings 12, 12' are approximately at a right angle to each other.
  • the apertures 12 of the first opaque substrate or material layer 9 are arranged in a pattern arrangement 8, wherein the pattern arrangement 8 corresponds to a triangle on the base.
  • the openings of the second opaque substrate or material layer 10 are arranged in a further pattern arrangement 8 ', which differs from the one pattern arrangement 8, and wherein the further pattern arrangement 8'. forming a triangle on the top.
  • the pattern arrangements 8, 8 ' are positioned relative to one another such that the respective center points 20, 20' of the triangles are superimposed.
  • the cross-sections of the openings in the embodiments shown have the geometric shape of ellipsoids, but may in principle also have other geometric shapes. For example, rectangles, crescents or rhombuses are mentioned here.
  • Fig. 7 shows another embodiment. The embodiment is largely analogous to the embodiment shown in FIG.
  • the same reference numerals designate the same features.
  • a first opaque substrate or material layer 9 are
  • Openings 12 formed, wherein the openings 12 in one
  • Pattern arrangement 8 are arranged or positioned.
  • the pattern arrangement 8 corresponds in its geometric form to the Latin letter "Y.”
  • a second opaque substrate or material layer 10 which lies behind the first opaque substrate or material layer 10.
  • Material layer 9 is or is, openings 12 'are formed, which are in a pattern assembly 8' are arranged or positioned or become.
  • Pattern arrangement 8 'in this case corresponds to a regular background grid 24.
  • the openings 12 in the first opaque substrate or material layer 9 are not vertically aligned with respect to their longitudinal direction 14 but are approximately clockwise or counterclockwise 45 ° in relation to the longitudinal direction 14 'horizontally oriented openings 12' in the second opaque substrate or material layer 10 is rotated.
  • FIG. 8 shows schematically a further embodiment. The embodiment is largely analogous to the embodiment shown in FIG. Same
  • an arrangement pattern 8 is formed, which represents a serpentine line 25, wherein the serpentine line 25 should stand as an example and representatively as a building block for a guilloche.
  • openings 12 ' are formed as a background grid 24.
  • Figures 9a and 9b show schematically the optical impression of the embodiment of FIG. 6 viewed from a front side or a rear side.
  • the Dashed lines are shown only for explanation. If the two opaque substrate or material layers 9, 10 are correctly positioned, then they are
  • the pattern of a hexagon 26 is formed.
  • the remaining apertures 22, which are formed outside the intersection 21 in the first opaque substrate or material layer 9, are visible or not visible. In this embodiment, the remaining appear
  • the remaining rear 23 openings are not visible from a front side 30, but only from a rear side 31, wherein the remaining 22 openings are not visible from the back side 31 again.
  • FIGS. 10a to 10e schematically show a further embodiment of the invention.
  • Fig. 10a shows a first opaque substrate layer 9, wherein in the first opaque
  • Substrate layer 9 in its longitudinal direction 14 horizontal openings 12 are formed.
  • An arrangement pattern 8 formed from the apertures 12 forms on the left side a Latin letter "K" 27 and on the right side an area 32 with a background grid 24.
  • Fig. 10b shows a second opaque substrate layer 10, wherein in the second opaque
  • Substrate layer 10 in its longitudinal direction 14 'vertical openings 12' are formed.
  • An arrangement pattern 8 'formed from the apertures 12' forms on the left side a region 32 'with a background grid 24' and on the right side a mirrored Latin letter 'K' 27 '.
  • Fig. 10c is shown how the first 9 and the second 10 opaque substrate layer are stacked. With regard to their outer marginal boundary 33, 33 ', the two opaque substrate layers 9, 10 are arranged exactly one above the other.
  • a transparent substrate layer is not shown here for reasons of clarity, but is arranged in the production between the two opaque substrate layers 9, 10.
  • the latin letter "K" 27 formed in the pattern array 8 of the first opaque substrate layer 9 is located in front of
  • the background grid 24 in the first opaque substrate layer 9 is then in front of the mirrored Latin letter "K" 27'.
  • Substrate layers 9, 10 is not possible because in the second opaque substrate layer 10 on the right side not all openings 12 'are formed, the complete background grid 24 in the first opaque substrate layer 9 from the front 30 is visible because enough light in the transparent substrate layer between the two opaque substrate layers 9, 10 is reflected, remitted and / or scattered. The reflected, remitted and / or scattered light then backlit that
  • the same visual impression emerges as from the front side 30.
  • the left-hand side shows the Latin letter K 27 ', which now no longer appears mirrored, and on the right side, the background grid 24' second opaque substrate layer 10 can be seen. That is, it is possible to have a respective one from the front side 30 and the rear side 31 as well
  • Fig. 1 1 shows a schematic flow diagram of the manufacturing process.
  • the first process step at least one transparent substrate layer is optionally added
  • Substrate layers 102 provided.
  • the provided substrate layers may each comprise previously introduced openings, or the provision itself may comprise two further optional method steps.
  • arrangement patterns are received 103.
  • Arrangement patterns comprise the description of how the apertures are to be introduced into the at least two opaque substrate layers, for example a position and / or an orientation of the apertures on the opaque ones
  • non-rotationally symmetrical apertures are determined according to the specification of the received
  • Arrangement pattern introduced into the at least two opaque substrate layers 104 This can be carried out for example by means of a laser processing. If the at least two opaque substrate layers are provided, positioning data is received 105 in the next method step
  • Substrate layers and the at least one transparent substrate layer to be arranged relative to each other. Based on the received positioning data, the substrate layers are then arranged to form a substrate layer stack 106. In the last method step, the substrate layer stack then becomes a
  • the introduced openings can also be a single cell or a cell.
  • the introduced openings can also be a cell or a cell.
  • the personalization information may include, for example, characters, symbols, numbers, letters, letters and / or images. LIST OF REFERENCE NUMBERS

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Abstract

L'invention concerne un document de sécurité (1) comprenant un corps de document stratifié (200) pourvu d'un recto et d'un verso. Le corps de document stratifié (200) comporte au moins deux couches de matière opaques (9, 10, 201, 202) pourvues chacune d'un côté intérieur (205) et d'un côté extérieur (206), les côtés intérieurs (205) des au moins deux couches de matière opaques (9, 10, 201, 202) se faisant face, et au moins une couche de matière transparente (203) disposée entre les au moins deux couches de matière opaques (9, 10, 201, 202), et les au moins deux couches de matière opaques (9, 10, 201, 202) comportent des perforations (12, 12'). Dans un plan des couches de matière (9, 10, 201, 202, 203, 204), les faces en coupe transversale des perforations (12, 12') ne présentent pas de conformation à symétrie de rotation et d'autres couches de matière (203), disposées entre les au moins deux couches de matière opaque (9, 10, 201, 202), sont toutes au moins translucides, de préférence sont toutes claires et transparentes. L'invention concerne en outre le procédé associé.
EP16735850.6A 2015-07-03 2016-07-04 Document de sécurité avec de couches de materiau micro-perforés et procédé pour sa fabrication Active EP3317113B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015212544.0A DE102015212544A1 (de) 2015-07-03 2015-07-03 Sicherheitsdokument und Verfahren zur Herstellung eines Sicherheitsdokumentes mit mikroperforierten opaken Materialschichten
PCT/EP2016/065695 WO2017005685A1 (fr) 2015-07-03 2016-07-04 Document de sécurité pourvu de couches de matière opaques microperforées et son procédé de fabrication

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EP3317113A1 true EP3317113A1 (fr) 2018-05-09
EP3317113B1 EP3317113B1 (fr) 2019-11-20

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EP (1) EP3317113B1 (fr)
DE (1) DE102015212544A1 (fr)
WO (1) WO2017005685A1 (fr)

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US10479128B2 (en) * 2017-10-27 2019-11-19 Assa Abloy Ab Security feature
DE102018127628A1 (de) * 2018-11-06 2020-05-07 Bundesdruckerei Gmbh Sicherheitselement mit einander räumlich zugeordneten Strukturelementen in verschiedenen Schichten

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Publication number Priority date Publication date Assignee Title
CA2494592C (fr) * 2002-07-25 2011-05-03 Orell Fuessli Sicherheitsdruck Ag Document securise et procede de verification
DE102007025860A1 (de) * 2007-06-01 2008-12-04 Ovd Kinegram Ag Sicherheitsdokument und Verfahren zu dessen Herstellung
DE102011004935A1 (de) * 2011-03-01 2012-09-06 Bundesdruckerei Gmbh Verbundkörper und Verfahren zur Herstellung eines Verbundkörpers mit einem innenliegenden Sicherheitsmerkmal
WO2013143007A1 (fr) * 2012-03-29 2013-10-03 Orell Füssli Sicherheitsdruck Ag Caractéristique de sécurité à base de perforation dans un substrat multicouche

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DE102015212544A1 (de) 2017-01-05
WO2017005685A1 (fr) 2017-01-12

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