EP1117543A1 - Data carrier - Google Patents

Data carrier

Info

Publication number
EP1117543A1
EP1117543A1 EP99948895A EP99948895A EP1117543A1 EP 1117543 A1 EP1117543 A1 EP 1117543A1 EP 99948895 A EP99948895 A EP 99948895A EP 99948895 A EP99948895 A EP 99948895A EP 1117543 A1 EP1117543 A1 EP 1117543A1
Authority
EP
European Patent Office
Prior art keywords
data carrier
embossing
carrier according
layer
inclined planes
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
EP99948895A
Other languages
German (de)
French (fr)
Other versions
EP1117543B1 (en
Inventor
Karlheinz Mayer
Roger Adamczyk
Eduard Wisjak
Christof Baldus
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 GmbH
Original Assignee
Giesecke and Devrient 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 GmbH filed Critical Giesecke and Devrient GmbH
Publication of EP1117543A1 publication Critical patent/EP1117543A1/en
Application granted granted Critical
Publication of EP1117543B1 publication Critical patent/EP1117543B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/425—Marking by deformation, e.g. embossing
    • 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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • 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
    • 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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/23—Identity cards
    • B42D2033/18—
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/916—Fraud or tamper detecting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24521—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface

Definitions

  • the invention relates to a data carrier, such as a security, bank note, identity card or the like, which is provided with an embossing in a predetermined area.
  • blind embossing of this type is that it can be checked easily, which can be done in a purely tactile manner without any additional aids.
  • the perceptibility of the embossing in diffuse or poor lighting is severely limited.
  • the invention is therefore based on the object of proposing a data carrier with an embossing which has an increased visual perceptibility.
  • the solution to this problem results from the features of the main claim. Further training is the subject of the subclaims.
  • the embossing height or depth relative to the rest of the surface of the data carrier, slowly decreases, starting from a maximum value, along a predetermined direction.
  • the drop in the embossing height or depth preferably follows a simple mathematical function, such as, for example, a straight line, a parabola or a hyperbole, with the continuous drop in the form of a straight line - the classic case of an inclined plane - being preferred.
  • the term “inclined plane” is used in the following for the drop of the embossing height or depth according to the invention, which, however, should not be limited to the classic straight drop, but also includes all other possibilities of the falling course Embossing can take place in such a way that the embossed structures are raised or form recesses in relation to the unembossed data carrier surface. A combination of both is also possible within an embossing.
  • the lateral dimensions and the embossing height or depth of the embossing are dimensioned such that they are diffraction-free. table are not effective.
  • the embossing consists of several partial surfaces in the form of inclined planes.
  • information to be shaped can be composed of several inclined levels.
  • any alphanumeric characters, patterns or other pictorial representations can be generated, it is possible to produce very complex and complicated embossing patterns, which further increase the security against forgery.
  • each plane only have to be selected so that each plane can be easily recognized by the human eye even without aids, with a normal viewing distance.
  • all inclined planes used can have the same type of height profile, ie the embossing height / depth profile is the same in all partial areas, for example in a straight line or parabolic. Any mix of different inclined planes can also be used, whereby not only the shape of the height profile can be varied, but also individual parameters within a profile.
  • inclined planes can be used, all of which have an embossing height profile in the form of a straight line, but the pitch angles of these straight lines vary. However, each embossing has at least one
  • Partial surface or inclined plane the pitch angle of which is smaller than 10 ° relative to the data carrier surface and which has a lateral dimension in the direction of the greatest pitch of more than 1.5 mm.
  • the slope angle between the data carrier surface and the straight line is defined, which results from the connecting line between the starting point and the point with the maximum embossing height or depth.
  • the maximum embossing height or depth which can be up to 250 ⁇ m, does not necessarily have to be identical for all inclined planes. In order to further increase the security against counterfeiting, further embossed structures can be superimposed on the inclined planes. For reasons of clarity, only exemplary embodiments with embossing that have inclined planes with a linear height profile are selected for the following explanations.
  • the embossing according to the invention can be produced with any embossing tool. However, it is preferably produced by intaglio printing.
  • the embossed structures are engraved into a metal plate using known methods.
  • a computer-controlled method for producing such intaglio printing plates is described, for example, in JO 97/48555.
  • the paper is pressed into the recesses in the engraved metal plate and thus permanently deformed.
  • these printing plates are not filled with ink during the printing process, but are only used to deform the document material, such as paper, i.e. to shape.
  • the embossing consists of several partial surfaces in the form of inclined planes which directly adjoin one another and whose slope runs in opposite directions to one another.
  • the planes can be arranged next to one another so that an inclined plane falls in a predetermined direction, while the inclined plane arranged next to it rises in a wedge shape in this direction.
  • the inclined planes can also adjoin one another in such a way that they virtually overlap or would penetrate in their extension.
  • two adjacent inclined planes form a V-shaped height profile.
  • Several, for example three or four directly adjoining inclined planes can be arranged and aligned to form a pyramid.
  • a data carrier can advantageously also be provided with a plurality of embossments spaced apart from one another.
  • at least one inclined plane continues over several, in particular adjacent, embossings.
  • At least part of the embossing has the shape of an inclined plane
  • the embossed area of the data carrier is additionally provided with at least one layer or a layer sequence, the optical impression of which varies depending on the viewing angle.
  • Optically variable materials such as interference layers, liquid crystal layers or layers that have diffraction structures, show a color change when the viewing angle changes, which cannot be reproduced with the aid of copying machines. They are therefore often used as copy protection elements. If such layers are provided in the area of the embossing according to the invention, there is a clearly perceptible change in the viewing angle due to the height profile of the inclined planes. This means that there are color differences along the height profile of the embossing, which emphasize the embossing compared to the unembossed environment and thus make it more noticeable.
  • optically variable layers mentioned can be applied to the data carrier by any known method.
  • they can be prepared on a separate carrier and then transferred to the data carrier using a transfer procedure.
  • the prepared carrier material is brought into contact with the data carrier via an adhesive layer and possibly connected to the data carrier under the influence of heat and pressure.
  • the carrier is then pulled off while the transferred layer remains on the data carrier.
  • the carrier material Depending on the material to be transferred, the carrier material must be provided with different layer sequences during preparation.
  • the carrier material In the case of diffraction structures, for example, the carrier material is usually provided with a plastic layer, into which the diffraction structures are embossed in the form of a relief. This relief is then vapor-coated with a thin aluminum layer and finally covered with an adhesive layer. Under certain circumstances, however, further layers can also be provided on the carrier material and transferred to the data carrier.
  • a variety of methods for producing carrier materials with optically variable layers are known from the prior art, for example from DE 2907186 C2, US Pat. No. 3,858,977, EP 0420 261 Al, EP 0 435 029 B.
  • the layers can also be provided as ink layers.
  • they contain the optically variable effect- the layers of pigments, the usual printing ink binders are added and knife or printed onto the data carrier.
  • Interference layer pigments for example, are sold by Merck under the name IRIODINE ® or by BASF under the name PALIOSECURE ® .
  • FIG. 1 shows a data carrier 1 according to the invention, in the present case a bank note. It usually consists of paper made from cotton fibers and / or synthetic fibers. According to the invention Banknote an embossed area 2. This embossed area 2 can additionally be provided with one or more optically variable layers which can be applied to the bank note 1 before or after the embossing process.
  • FIG. 2 shows a section along A - B through the embossing 2.
  • the embossing 2 accordingly consists of an inclined plane 3.
  • the embossing height profile along the arrow 4 runs in a straight line. However, it could have a different shape.
  • the embossing height profile can preferably be described by a simple mathematical function.
  • an embossing 5 is shown in plan view, which has the shape of a bar.
  • This embossing 5 is composed of four directly adjoining partial areas 6, 7, 8, 9, the partial areas 6, 7, 8 having the shape of an inclined plane and being arranged next to one another.
  • the arrows indicate the direction of the increase in embossing height. It is clear from this that the inclined planes of the partial areas 6, 7 or 7 and 8 are arranged in opposite directions to one another.
  • the subarea 9, on the other hand, is not shaped in the form of an inclined plane, but has a constant embossing height.
  • the partial areas 6, 8, 9 could also be referred to as the edge contour and partial area 7 as the filling area of a character, for example the letter “I.”
  • Both the edge contour and the filling surface have at least one partial area in the form of an inclined plane, the inclined planes of the edge contour and the filling surface being arranged in opposite directions to one another.
  • FIG. 4 schematically shows a section along A - B in FIG. 3 in order to clarify the arrangement and alignment of the inclined planes or the course of the embossing height profile.
  • the inclined plane of the partial area 7 drops from a maximum embossing height value to the level of the unembossed data carrier.
  • the inclined plane of the subarea 6 can also be seen, which is hidden in the left area by the inclined plane of the subarea 7 and is therefore shown in dashed lines in this area.
  • the embossing 10 is likewise composed of two subregions 11, 12 which, however, in contrast to the subregions shown in FIG. 3, do not lie next to one another, but rather overlap one another. are arranged. However, the inclined planes of the partial areas 11, 12 are also arranged in opposite directions to one another, as indicated by the arrows.
  • the section along A - B, which is shown in FIG. 6, shows the course of the embossing height profile of this embossing 10. It is clear here that the inclined planes of the partial areas 11, 12 intersect and the embossing 10 is given a quasi V-shaped embossing height profile.
  • the dashed areas 13, 14 were only drawn in to indicate the theoretical course of the individual inclined planes in the partial areas 11 and 12 without the overlap.
  • This effect can be intensified by providing the area of the embossing with an optically variable layer.
  • An optically variable printing ink is preferably used for this layer, which essentially consists of a binder and optically variable pigments.
  • Suitable optically variable pigments are, for example, interference layer or liquid crystal pigments which change color when the viewing angle changes. If these colors are applied to the inclined planes, the viewer perceives the color of each partial area 11, 12 at a different angle of incidence, i.e. Due to the embossing height profile, the partial areas of the embossing are presented to the viewer from a clearly different viewing angle, so that color differences occur within the embossing, which improve the visual perceptibility of the embossing.
  • printing inks or a printing ink with several different optically variable pigments can also be used.
  • the printing inks can be applied by any method. However, a screen printing process is preferably used.
  • the data carrier material can consist of any material that can be embossed, but paper of any composition is preferably used. However, plastic foils or multilayer laminates made of different materials, such as those used for identity cards and passports, can also be provided with an embossing according to the invention.

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Surface Treatment Of Optical Elements (AREA)

Abstract

The invention relates to a data carrier (1), such as a security, bank notes, ID card or the like, that is embossed in such a way that at least part of said embossment (2) is shaped like an oblique plane (3).

Description

Datenträger disk
Die Erfindung betrifft einen Datenträger, wie Wertpapier, Banknote, Ausweiskarte oder dergleichen, der in einem vorbestimmten Bereich mit einer Prägung versehen ist.The invention relates to a data carrier, such as a security, bank note, identity card or the like, which is provided with an embossing in a predetermined area.
Es ist seit langem üblich, Wertpapiere, wie beispielsweise Aktien, mit einer Prägung zu versehen. Eine derartige, in das Papier eingebrachte Prägung wird üblicherweise als Blindprägung bezeichnet. Es wurden sogar gemein- same Grundsätze der deutschen Wertpapierbörsen für den Druck von Wertpapieren („Börsenrichtlinien") erarbeitet, die bestimmte Grundbedingungen für die Form und Ausführung derartiger Prägungen festschreiben. So muss die Prägung gemäß diesen Börsenrichtlinien in einem besonderen vorbestimmten Bereich des Wertpapiers vorgesehen werden. Da diese Prägungen auch als Fälschungsschutzmerkmal dienen, dürfen sie laut den Börsenricht- linien nicht nur die Form eines Buchstabens aufweisen, sondern sie müssen ein möglichst kompliziertes Muster, vorzugsweise unter Verwendung von Guillochen darstellen, um Nachahmungen zu erschweren.It has long been customary to emboss securities, such as stocks. Such an embossing introduced into the paper is usually referred to as blind embossing. Even common principles of the German stock exchanges for the printing of securities ("stock exchange guidelines") were laid down, which lay down certain basic conditions for the form and execution of such issues. For example, the issues according to these stock exchange guidelines have to be provided in a specific predetermined area of the security Since these imprints also serve as anti-counterfeiting features, according to the stock exchange guidelines they must not only have the shape of a letter, but they must represent a pattern that is as complicated as possible, preferably using guilloche patterns, in order to make counterfeiting more difficult.
Der Vorteil derartiger Blindprägungen liegt in der einfachen Überprüfbarkeit, die rein taktil ohne weitere Hilfsmittel erfolgen kann. Darüber hinaus ergeben sich bei der Betrachtung der Prägung aufgrund von Licht/ Schatteneffekten besondere dreidimensionale optische Eindrücke. Allerdings ist die Wahrnehmbarkeit der Prägung bei diffuser oder schlechter Beleuchtung stark eingeschränkt.The advantage of blind embossing of this type is that it can be checked easily, which can be done in a purely tactile manner without any additional aids. In addition, when viewing the embossing, there are special three-dimensional optical impressions due to light / shadow effects. However, the perceptibility of the embossing in diffuse or poor lighting is severely limited.
Der Erfindung liegt daher die Aufgabe zugrunde, einen Datenträger mit einer Prägung vorzuschlagen, die eine erhöhte visuelle Wahrnehmbarkeit aufweist. Die Lösung dieser Aufgabe ergibt sich aus den Merkmalen des Hauptanspruchs. Weiterbildungen sind Gegenstand der Unteransprüche.The invention is therefore based on the object of proposing a data carrier with an embossing which has an increased visual perceptibility. The solution to this problem results from the features of the main claim. Further training is the subject of the subclaims.
Gemäß der Erfindung muss zumindest ein Teil der Prägung die Form einer schiefen Ebene aufweisen. D.h., die Prägehöhe bzw. -tiefe fällt, bezogen auf die übrige Oberfläche des Datenträgers, ausgehend von einem maximalen Wert, entlang einer vorgegebenen Richtung, langsam ab. Der Abfall der Prägehöhe bzw. -tiefe folgt dabei vorzugsweise einer einfachen mathematischen Funktion, wie beispielsweise einer Geraden, einer Parabel oder einer Hyper- bei, wobei der kontinuierliche Abfall in Form einer Geraden - dem klassischen Fall einer schiefen Ebene - bevorzugt wird. Aus diesem Grund wird im Folgenden für den erfindungsgemäßen Abfall der Prägehöhe- bzw. tiefe der Begriff „schiefe Ebene" verwendet, der jedoch nicht nur auf den klassischen geradlinigen Abfall beschränkt sein soll, sondern auch alle übrigen Möglich- keiten des abfallenden Verlaufs umfasst. Die Prägung kann so erfolgen, dass die geprägten Strukturen gegenüber der ungeprägten Datenträgeroberfläche erhaben sind oder Vertiefungen bilden. Auch eine Kombination von beiden innerhalb einer Prägung ist möglich. Die lateralen Abmessungen sowie die Prägehöhe bzw. -tiefe der Prägung sind so bemessen, dass sie beugungsop- tisch nicht wirksam sind.According to the invention, at least part of the embossing must have the shape of an inclined plane. In other words, the embossing height or depth, relative to the rest of the surface of the data carrier, slowly decreases, starting from a maximum value, along a predetermined direction. The drop in the embossing height or depth preferably follows a simple mathematical function, such as, for example, a straight line, a parabola or a hyperbole, with the continuous drop in the form of a straight line - the classic case of an inclined plane - being preferred. For this reason, the term “inclined plane” is used in the following for the drop of the embossing height or depth according to the invention, which, however, should not be limited to the classic straight drop, but also includes all other possibilities of the falling course Embossing can take place in such a way that the embossed structures are raised or form recesses in relation to the unembossed data carrier surface. A combination of both is also possible within an embossing. The lateral dimensions and the embossing height or depth of the embossing are dimensioned such that they are diffraction-free. table are not effective.
Gemäß einer bevorzugten Ausführungsform besteht die Prägung aus mehreren Teilflächen in Form von schiefen Ebenen. Auf diese Weise kann eine zu prägende Information aus mehreren schiefen Ebenen zusammengesetzt werden. Auf rund der Prägehöhenvariation innerhalb einer Teilfläche und der Prägehöhenunterschiede zwischen verschiedenen Teilflächen entstehen zusätzlich zu den üblichen Licht- und Schatteneffekten für aas menschliche Auge leicht wahrnehmbare Kontraste, die die gesamte Prägung auffälliger und damit leichter wahrnehmbar machen. Da mit Hilfe der Teilflächen in Form von schiefen Ebenen beliebige alphanumerische Zeichen, Muster oder sonstige bildliche Darstellungen erzeugt werden können, ist es möglich, sehr aufwendige und komplizierte Prägemuster zu erzeugen, die die Fälschungssicherheit zusätzlich erhöhen. Die Abmessungen der einzelnen schiefen Ebe- nen müssen lediglich so gewählt werden, dass jede Ebene bei normalem Betrachtungsabstand für das menschliche Auge auch ohne Hilfsmittel gut erkennbar ist. Hierbei können alle verwendeten schiefen Ebenen die gleiche Art von Höhenprofil aufweisen, d.h. der Prägehöhen-/ -tiefenverlauf ist in allen Teilbereichen gleich, beispielsweise geradlinig oder parabelförmig. Aber auch beliebige Mischungen unterschiedlicher schiefer Ebenen können verwendet werden, wobei nicht nur die Form des Höhenprofils variiert werden kann, sondern auch einzelne Parameter innerhalb eines Profils. So können beispielsweise schiefe Ebenen verwendet werden, die zwar alle ein Prägehöhenprofil in Form einer Geraden aufweisen, die Steigungswinkel dieser Geraden jedoch variieren. Jede Prägung besitzt jedoch mindestens eineAccording to a preferred embodiment, the embossing consists of several partial surfaces in the form of inclined planes. In this way, information to be shaped can be composed of several inclined levels. On the around the embossing height variation within a partial area and the embossing height differences between different partial areas, in addition to the usual light and shadow effects for the human eye, there are easily perceptible contrasts, which make the entire embossing more conspicuous and thus more easily perceptible. Since with the help of the partial areas in In the form of inclined planes, any alphanumeric characters, patterns or other pictorial representations can be generated, it is possible to produce very complex and complicated embossing patterns, which further increase the security against forgery. The dimensions of the individual inclined planes only have to be selected so that each plane can be easily recognized by the human eye even without aids, with a normal viewing distance. Here, all inclined planes used can have the same type of height profile, ie the embossing height / depth profile is the same in all partial areas, for example in a straight line or parabolic. Any mix of different inclined planes can also be used, whereby not only the shape of the height profile can be varied, but also individual parameters within a profile. For example, inclined planes can be used, all of which have an embossing height profile in the form of a straight line, but the pitch angles of these straight lines vary. However, each embossing has at least one
Teilfläche bzw. schiefe Ebene, deren Steigungswinkel gegenüber der Datenträgeroberfläche kleiner als 10° ist und die eine laterale Abmessung in Richtung der größten Steigung von mehr als 1,5 mm aufweist. Bei einem gekrümmten Prägehöhenprofil, das nicht die Form einer Geraden aufweist, wird der Steigungswinkel zwischen Datenträgeroberfläche und der Geraden definiert, die sich aus der Verbindungslinie zwischen dem Anfangspunkt und dem Punkt mit der maximalen Prägehöhe bzw. -tiefe ergibt.Partial surface or inclined plane, the pitch angle of which is smaller than 10 ° relative to the data carrier surface and which has a lateral dimension in the direction of the greatest pitch of more than 1.5 mm. In the case of a curved embossing height profile that does not have the shape of a straight line, the slope angle between the data carrier surface and the straight line is defined, which results from the connecting line between the starting point and the point with the maximum embossing height or depth.
Auch die maximale Prägehöhe bzw. -tiefe, die bis zu 250 μm betragen kann, muss nicht notwendigerweise für alle schiefen Ebenen identisch sein. Um die Fälschungssicherheit noch weiter zu erhöhen, können den schiefen Ebenen weitere Prägestrukturen überlagert werden. Aus Gründen der Anschaulichkeit werden für die nachfolgenden Erläuterungen lediglich Ausführungsbeispiele mit Hochprägungen gewählt, die schiefe Ebenen mit einem geradlinigen Höhenprofil aufweisen.The maximum embossing height or depth, which can be up to 250 μm, does not necessarily have to be identical for all inclined planes. In order to further increase the security against counterfeiting, further embossed structures can be superimposed on the inclined planes. For reasons of clarity, only exemplary embodiments with embossing that have inclined planes with a linear height profile are selected for the following explanations.
Die Herstellung der erfindungsgemäßen Prägung kann mit jedem beliebigen Prägewerkzeug erfolgen. Vorzugsweise wird sie jedoch im Stichtiefdruckverfahren erzeugt. Dazu werden die Prägestrukturen nach bekannten Verfahren in eine Metallplatte graviert. Ein rechnergesteuertes Verfahren zur Herstellung derartiger Stichtiefdruckplatten wird beispielsweise in der JO 97/48555 beschrieben. Beim Druckvorgang wird das Papier in die Vertiefungen der gravierten Metallplatte hineingepresst und auf diese Weise nachhaltig verformt. Für die Erzeugung einer Blindprägung werden diese Druckplatten während des Druckvorgangs nicht mit Farbe gefüllt, sondern werden lediglich dazu benutzt, das Dokumentenmaterial, wie beispielsweise Papier, zu verformen, d.h. zu prägen.The embossing according to the invention can be produced with any embossing tool. However, it is preferably produced by intaglio printing. For this purpose, the embossed structures are engraved into a metal plate using known methods. A computer-controlled method for producing such intaglio printing plates is described, for example, in JO 97/48555. During the printing process, the paper is pressed into the recesses in the engraved metal plate and thus permanently deformed. To create blind embossing, these printing plates are not filled with ink during the printing process, but are only used to deform the document material, such as paper, i.e. to shape.
Gemäß einer bevorzugten Ausführungsform besteht die Prägung aus mehreren Teilflächen in Form von schiefen Ebenen, die direkt aneinander grenzen und deren Steigung zueinander gegenläufig verläuft. Die Ebenen können dabei nebeneinander angeordnet sein, so dass in einer vorgegebenen Richtung eine schiefe Ebene abfällt, während die daneben angeordnete schiefe Ebene in dieser Richtung keilförmig ansteigt.According to a preferred embodiment, the embossing consists of several partial surfaces in the form of inclined planes which directly adjoin one another and whose slope runs in opposite directions to one another. The planes can be arranged next to one another so that an inclined plane falls in a predetermined direction, while the inclined plane arranged next to it rises in a wedge shape in this direction.
Gemäß einer weiteren Ausführungsform können die schiefen Ebenen auch derart aneinander grenzen, dass sie sich quasi überlappen bzw. in ihrer Verlängerung durchdringen würden. Zwei aneinander grenzende schiefe Ebenen bilden dadurch beispielsweise ein V-förmiges Höhenprofil. Mehrere, beispielsweise drei oder vier direkt aneinander grenzende schiefe Ebenen können so angeordnet und zueinander ausgerichtet sein, dass sie eine Pyramide bilden.According to a further embodiment, the inclined planes can also adjoin one another in such a way that they virtually overlap or would penetrate in their extension. For example, two adjacent inclined planes form a V-shaped height profile. Several, for example three or four directly adjoining inclined planes can be arranged and aligned to form a pyramid.
Vorteilhafterweise kann ein Datenträger auch mit mehreren voneinander beabstandeten Prägungen versehen werden. Gemäß einer bevorzugten Ausführungsform setzt sich dabei wenigstens eine schiefe Ebene über mehrere, insbesondere benachbarte Prägungen hinweg fort.A data carrier can advantageously also be provided with a plurality of embossments spaced apart from one another. According to a preferred embodiment, at least one inclined plane continues over several, in particular adjacent, embossings.
Gemäß einer weiteren bevorzugten Ausführungsform weist zumindest ein Teil der Prägung die Form einer schiefen Ebene auf, und der geprägte Bereich des Datenträgers ist zusätzlich mit wenigstens einer Schicht oder einer Schichtfolge versehen, deren optischer Eindruck in Abhängigkeit vom Betrachtungswinkel variiert. Optisch variable Materialien, wie Interferenzschichten, Flüssigkristallschichten oder Schichten, die Beugungsstrukturen aufweisen, zeigen bei Änderung des Betrachtungswinkels ein Farbwechselspiel, das mit Hilfe von Kopiergeräten nicht reproduziert werden kann. Sie werden daher häufig als Kopierschutzelemente eingesetzt. Sieht man derartige Schichten im Bereich der erfindungsgemäßen Prägung vor, so ist aufgrund des Höhenprofils der schiefen Ebenen eine deutlich wahrnehmbare Änderung des Betrachtungswinkels gegeben. D.h., entlang des Höhenprofils der Prägung treten Farbunterschiede auf, die die Prägung gegenüber der ungeprägten Umgebung hervorheben und damit besser wahrnehmbar machen.According to a further preferred embodiment, at least part of the embossing has the shape of an inclined plane, and the embossed area of the data carrier is additionally provided with at least one layer or a layer sequence, the optical impression of which varies depending on the viewing angle. Optically variable materials, such as interference layers, liquid crystal layers or layers that have diffraction structures, show a color change when the viewing angle changes, which cannot be reproduced with the aid of copying machines. They are therefore often used as copy protection elements. If such layers are provided in the area of the embossing according to the invention, there is a clearly perceptible change in the viewing angle due to the height profile of the inclined planes. This means that there are color differences along the height profile of the embossing, which emphasize the embossing compared to the unembossed environment and thus make it more noticeable.
Ein ähnlicher Effekt tritt auf, wenn im Bereich der erfindungsgemäßen Prägung hochglänzende, beispielsweise metallische Schichten vorgesehen werden. Denn im Glanzwinkel erscheinen die hochglänzenden Schichten sehr hell und leuchtend, während sie unter allen übrigen Winkeln dunkler und weniger brillant wahrgenommen werden. Auf rund des Höhenprofils der schiefen Ebenen erscheinen daher unter einem bestimmten Betrachtungswinkel bestimmte Bereiche der Prägung hell und glänzend, während andere Bereiche dunkler wahrgenommen werden. Auf diese Weise wird ein zusätzlicher Kontrast erzeugt, der die Prägung stärker hervortreten lässt.A similar effect occurs if high-gloss, for example metallic, layers are provided in the area of the embossing according to the invention. Because in the gloss angle, the high-gloss layers appear very bright and luminous, while they are perceived darker and less brilliant at all other angles. Around the height profile of the oblique planes therefore appear bright and shiny from certain areas of the embossing, while other areas are perceived darker. This creates an additional contrast that makes the embossing stand out more.
Die genannten optisch variablen Schichten können nach beliebigen bekannten Verfahren auf den Datenträger aufgebracht werden. Sie können beispielsweise auf einem separaten Träger vorbereitet und anschließend mit einem Transferverfahren auf den Datenträger übertragen werden. Dabei wird das präparierte Trägermaterial über eine Klebstoffschicht mit dem Datenträger in Kontakt gebracht und eventuell unter Wärme- und Druckeinwirkung mit dem Datenträger verbunden. Anschließend wird der Träger abgezogen, während die übertragene Schicht auf dem Datenträger verbleibt.The optically variable layers mentioned can be applied to the data carrier by any known method. For example, they can be prepared on a separate carrier and then transferred to the data carrier using a transfer procedure. The prepared carrier material is brought into contact with the data carrier via an adhesive layer and possibly connected to the data carrier under the influence of heat and pressure. The carrier is then pulled off while the transferred layer remains on the data carrier.
Je nach zu übertragendem Material muss das Trägermaterial bei der Vorbereitung mit unterschiedlichen Schichtfolgen versehen werden. Im Falle von Beugungsstrukturen beispielsweise wird das Trägermaterial üblicherweise mit einer Kunststoffschicht versehen, in welche die Beugungsstrukturen in Form eines Reliefs eingeprägt werden. Anschließend wird dieses Relief mit einer dünnen Aluminiumschicht bedampft und schließlich mit einer Klebstoffschicht abgedeckt. Es können jedoch unter Umständen auch noch weitere Schichten auf dem Trägermaterial vorgesehen und auf den Datenträger übertragen werden. Aus dem Stand der Technik sind vielfältige Verfahren zur Herstellung von Trägermaterialien mit optisch variablen Schichten be- kannt, so beispielsweise aus der DE 2907186 C2, US-A-3,858,977, EP 0420 261 AI, EP 0 435 029 B .Depending on the material to be transferred, the carrier material must be provided with different layer sequences during preparation. In the case of diffraction structures, for example, the carrier material is usually provided with a plastic layer, into which the diffraction structures are embossed in the form of a relief. This relief is then vapor-coated with a thin aluminum layer and finally covered with an adhesive layer. Under certain circumstances, however, further layers can also be provided on the carrier material and transferred to the data carrier. A variety of methods for producing carrier materials with optically variable layers are known from the prior art, for example from DE 2907186 C2, US Pat. No. 3,858,977, EP 0420 261 Al, EP 0 435 029 B.
Die Schichten können jedoch auch als Druckfarbenschichten vorgesehen werden. In diesem Fall enthalten die den optisch variablen Effekt erzeugen- den Schichten Pigmente, die üblichen Druckfarbebindemitteln beigemengt sind und auf den Datenträger aufgerakelt oder aufgedruckt werden. Interferenzschichtpigmente beispielsweise werden von der Firma Merck unter der Bezeichnung IRIODINE® oder von der Firma BASF unter der Bezeichnung PALIOSECURE® vertrieben.However, the layers can also be provided as ink layers. In this case, they contain the optically variable effect- the layers of pigments, the usual printing ink binders are added and knife or printed onto the data carrier. Interference layer pigments, for example, are sold by Merck under the name IRIODINE ® or by BASF under the name PALIOSECURE ® .
Weitere Ausführungsbeispiele und Vorteile der Erfindung werden anhand der Figuren erläutert. Es wird darauf hingewiesen, dass die Figuren keine maßstabsgetreue Darstellung wiedergeben, sondern lediglich der Veran- schaulichung der Erfindung dienen.Further exemplary embodiments and advantages of the invention are explained on the basis of the figures. It is pointed out that the figures do not represent a true-to-scale representation, but merely serve to illustrate the invention.
Es zeigen:Show it:
Fig. 1 Skizze eines erfindungsgemäßen Datenträgers,1 sketch of a data carrier according to the invention,
Fig. 2 Querschnitt durch den erfindungsgemäßen Datenträger entlang A - B in Fig. 1,2 cross section through the data carrier according to the invention along A - B in Fig. 1,
Fig. 3 Skizze einer erfindungsgemäßen Prägung in Draufsicht,3 sketch of an embossing according to the invention in plan view,
Fig. 4 Schnitt entlang A - B in Fig. 3,4 section along A - B in Fig. 3,
Fig. 5 Skizze einer erfindungsgemäßen Prägung in Draufsicht,5 sketch of an embossing according to the invention in plan view,
Fig. 6 Schnitt entlang A - B in Fig. 5.6 section along A - B in Fig. 5th
Fig. 1 zeigt einen erfindungsgemäßen Datenträger 1, im vorliegenden Fall eine Banknote. Sie besieht üblicherweise aus Papier, das aus Baum wollfasern und/ oder Synthesefasern hergestellt wurde. Erfindungsgemäß weist diese Banknote einen geprägten Bereich 2 auf. Dieser geprägte Bereich 2 kann zusätzlich mit einer oder mehreren optisch variablen Schichten versehen sein, die vor oder nach dem Prägevorgang auf die Banknote 1 aufgebracht werden können.1 shows a data carrier 1 according to the invention, in the present case a bank note. It usually consists of paper made from cotton fibers and / or synthetic fibers. According to the invention Banknote an embossed area 2. This embossed area 2 can additionally be provided with one or more optically variable layers which can be applied to the bank note 1 before or after the embossing process.
Fig. 2 zeigt einen Schnitt entlang A - B durch die Prägung 2. Die Prägung 2 besteht demnach aus einer schiefen Ebene 3. Das Prägehöhenprofil entlang des Pfeils 4 verläuft geradlinig. Es könnte jedoch auch eine andere Form aufweisen. Vorzugsweise lässt sich das Prägehöhenprofil jedoch durch eine einfache mathematische Funktion beschreiben.FIG. 2 shows a section along A - B through the embossing 2. The embossing 2 accordingly consists of an inclined plane 3. The embossing height profile along the arrow 4 runs in a straight line. However, it could have a different shape. However, the embossing height profile can preferably be described by a simple mathematical function.
In Fig. 3 ist eine Prägung 5 in Draufsicht dargestellt, die die Form eines Balkens aufweist. Diese Prägung 5 setzt sich aus vier direkt aneinander grenzenden Teilbereichen 6, 7, 8, 9 zusammen, wobei die Teilbereiche 6, 7, 8 die Form einer schiefen Ebene aufweisen und nebeneinander angeordnet sind. Die Pfeile deuten analog zu Fig. 2 die Richtung des Prägehöhenanstiegs an. Hieraus wird deutlich, dass die schiefen Ebenen der Teilbereiche 6, 7 bzw. 7 und 8 gegenläufig zueinander angeordnet sind. Der Teilbereich 9 dagegen ist nicht in Form einer schiefen Ebene geprägt, sondern weist eine konstante Prägehöhe auf.In Fig. 3, an embossing 5 is shown in plan view, which has the shape of a bar. This embossing 5 is composed of four directly adjoining partial areas 6, 7, 8, 9, the partial areas 6, 7, 8 having the shape of an inclined plane and being arranged next to one another. Analogous to FIG. 2, the arrows indicate the direction of the increase in embossing height. It is clear from this that the inclined planes of the partial areas 6, 7 or 7 and 8 are arranged in opposite directions to one another. The subarea 9, on the other hand, is not shaped in the form of an inclined plane, but has a constant embossing height.
Die Teilbereiche 6, 8, 9 könnten auch als Randkontur und Teilbereich 7 als Füllfläche eines Zeichens, beispielsweise des Buchstabens „I" bezeichnet werden. Diese Art der Zerlegung einer zu prägenden alphanumerischen oder bildlichen Darstellung in eine Randkontur und eine Füllfläche hat sich als besonders vorteilhaft erwiesen. Dabei weisen sowohl die Randkontur als auch die Füllfläche wenigstens einen Teilbereich in Form einer schiefen Ebene auf, wobei die schiefen Ebenen der Randkontur und der Füllfläche gegenläufig zueinander angeordnet sind. Fig. 4 zeigt schematisch einen Schnitt entlang A - B in Fig. 3, um die Anordnung und Ausrichtung der schiefen Ebenen bzw. den Verlauf des Prägehöhenprofils zu verdeutlichen. Die schiefe Ebene des Teilbereichs 7 fällt dabei von einem maximalen Prägehöhenwert auf das Niveau des ungeprägten Datenträgers ab. An diesen Bereich schließt sich der mit konstanter Prägehöhe geprägte Teilbereich 9 an. Im Hintergrund ist zusätzlich die schiefe Ebene des Teilbereichs 6 zu sehen, die im linken Bereich von der schiefen Ebene des Teilbereichs 7 verdeckt wird und deshalb in diesem Bereich strichliert dargestellt wird.The partial areas 6, 8, 9 could also be referred to as the edge contour and partial area 7 as the filling area of a character, for example the letter “I.” Both the edge contour and the filling surface have at least one partial area in the form of an inclined plane, the inclined planes of the edge contour and the filling surface being arranged in opposite directions to one another. FIG. 4 schematically shows a section along A - B in FIG. 3 in order to clarify the arrangement and alignment of the inclined planes or the course of the embossing height profile. The inclined plane of the partial area 7 drops from a maximum embossing height value to the level of the unembossed data carrier. Sub-area 9, which is embossed with a constant embossing height, adjoins this area. In the background, the inclined plane of the subarea 6 can also be seen, which is hidden in the left area by the inclined plane of the subarea 7 and is therefore shown in dashed lines in this area.
Fig. 5 zeigt eine weitere erfindungsgmäße Ausführungsform einer Prägung 10. In diesem Fall setzt sich die Prägung 10 ebenfalls aus zwei Teilbereichen 11, 12 zusammen, die jedoch im Gegensatz zu den in Fig. 3 gezeigten Teilbereichen nicht nebeneinander, sondern quasi überlappend zueinander ange- ordnet sind. Die schiefen Ebenen der Teilbereiche 11, 12 sind aber auch in diesem Fall, wie durch die Pfeile angedeutet, gegenläufig zueinander angeordnet.5 shows a further embodiment of an embossing 10 according to the invention. In this case, the embossing 10 is likewise composed of two subregions 11, 12 which, however, in contrast to the subregions shown in FIG. 3, do not lie next to one another, but rather overlap one another. are arranged. However, the inclined planes of the partial areas 11, 12 are also arranged in opposite directions to one another, as indicated by the arrows.
Den Verlauf des Prägehöhenprofils dieser Prägung 10 zeigt der Schnitt ent- lang A - B, der in Fig. 6 dargestellt ist. Hier wird deutlich, dass sich die schiefen Ebenen der Teilbereiche 11, 12 schneiden und die Prägung 10 ein quasi V-förmiges Prägehöhenprofil erhält. Die strichlierten Bereiche 13, 14 wurden lediglich eingezeichnet, um den theoretischen Verlauf der einzelnen schiefen Ebenen in den Teilbereichen 11 und 12 ohne die Überlappung anzudeuten.The section along A - B, which is shown in FIG. 6, shows the course of the embossing height profile of this embossing 10. It is clear here that the inclined planes of the partial areas 11, 12 intersect and the embossing 10 is given a quasi V-shaped embossing height profile. The dashed areas 13, 14 were only drawn in to indicate the theoretical course of the individual inclined planes in the partial areas 11 and 12 without the overlap.
Da sich der Betrachtungswinkel entlang der Schnittlinie verhältnismäßig stark verändert, nimmt der Betrachter die Prägung bei einem festen Beobachtungsstandpunkt unter sich deutlich unterscheidenden Einfallswinkeln wahr, wie in Fig. 6 angedeutet. Aufgrund dieser Tatsache ergeben sich zu- sätzliche Kontraste, die die Prägung hervorheben und damit für das Auge leichter erkennbar machen.Since the viewing angle changes relatively strongly along the section line, the viewer perceives the embossing at a fixed observation point of view under clearly different angles of incidence, as indicated in FIG. 6. Due to this fact, additional contrasts that emphasize the embossing and thus make it easier for the eye to recognize.
Dieser Effekt kann noch verstärkt werden, indem der Bereich der Prägung mit einer optisch variablen Schicht versehen wird. Vorzugsweise wird für diese Schicht eine optisch variable Druckfarbe verwendet, die im Wesentlichen aus einem Bindemittel und optisch variablen Pigmenten besteht. Als optisch variable Pigmente eignen sich beispielsweise Interferenzschicht- oder Flüssigkristallpigmente, die bei Änderung des Betrachtungswinkels eine Farbänderung zeigen. Werden diese Farben auf die schiefen Ebenen aufgebracht, so nimmt der Betrachter die Farbe jedes Teilbereichs 11, 12 unter einem anderen Einfallswinkel wahr, d.h. aufgrund des Prägehöhenprofils präsentieren sich die Teilbereiche der Prägung für den Betrachter unter einem sich deutlich unterscheidenden Betrachtungswinkel, so dass Farbunterschie- de innerhalb der Prägung auftreten, die die visuelle Wahrnehmbarkeit der Prägung verbessern.This effect can be intensified by providing the area of the embossing with an optically variable layer. An optically variable printing ink is preferably used for this layer, which essentially consists of a binder and optically variable pigments. Suitable optically variable pigments are, for example, interference layer or liquid crystal pigments which change color when the viewing angle changes. If these colors are applied to the inclined planes, the viewer perceives the color of each partial area 11, 12 at a different angle of incidence, i.e. Due to the embossing height profile, the partial areas of the embossing are presented to the viewer from a clearly different viewing angle, so that color differences occur within the embossing, which improve the visual perceptibility of the embossing.
Selbstverständlich können auch mehrere unterschiedliche Druckfarben oder eine Druckfarbe mit mehreren verschiedenen optisch variablen Pigmenten eingesetzt werden. Die Druckfarben können mit beliebigen Verfahren aufgebracht werden. Vorzugsweise wird jedoch ein Siebdruckverfahren eingesetzt.Of course, several different printing inks or a printing ink with several different optically variable pigments can also be used. The printing inks can be applied by any method. However, a screen printing process is preferably used.
Das Datenträgermaterial kann aus jedem beliebigen prägbaren Material be- stehen, vorzugsweise wird jedoch Papier in beliebiger Zusammensetzung eingesetzt. Aber auch Kunststofffolien oder Mehrschichtlaminate aus unterschiedlichen Materialien, wie sie beispielsweise bei Ausweisen und Pässen eingesetzt werden, können mit einer Prägung gemäß der Erfindung versehen werden. The data carrier material can consist of any material that can be embossed, but paper of any composition is preferably used. However, plastic foils or multilayer laminates made of different materials, such as those used for identity cards and passports, can also be provided with an embossing according to the invention.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Datenträger, wie Wertpapier, Banknote, Ausweiskarte oder dergleichen, der in einem vorbestimmten Bereich seiner Oberfläche dauerhaft mit einer Prägung versehen ist, die aufgrund ihrer Abmessungen für das menschliche Auge ohne Hilfsmittel sichtbar ist, dadurch gekennzeichnet, dass zumindest ein Teil der Prägung die Form einer schiefen Ebene aufweist.1. Data carrier, such as security, bank note, ID card or the like, which is permanently provided in a predetermined area of its surface with an embossing that is visible to the human eye without aids due to its dimensions, characterized in that at least part of the embossing Has an inclined plane shape.
2. Datenträger nach Anspruch 1, dadurch gekennzeichnet, dass die Prägung mehrere schiefe Ebenen aufweist.2. Data carrier according to claim 1, characterized in that the embossing has several inclined planes.
3. Datenträger nach Anspruch 2, dadurch gekennzeichnet, dass die schiefen Ebenen direkt aneinander grenzen und gegenläufig zueinander angeordnet sind.3. Data carrier according to claim 2, characterized in that the inclined planes directly adjoin one another and are arranged in opposite directions to one another.
4. Datenträger nach Anspruch 3, dadurch gekennzeichnet, dass die schiefen Ebenen nebeneinander angeordnet sind.4. Data carrier according to claim 3, characterized in that the inclined planes are arranged side by side.
5. Datenträger nach wenigestens einem der Ansprüche 1 bis 4, dadurch ge- kennzeichnet, dass die Frägung aus wenigstens einer Randkontur und einer von dieser Randkontur umschlossenen Füllfläche besteht, wobei sowohl die Randkontur als auch die Füllfläche aus wenigstens einer schiefen Ebene bestehen, und dass wenigstens eine schiefe Ebene der Randkontur und eine schiefe Ebene der Füllfläche gegenläufig zueinander angeordnet sind.5. Data carrier according to at least one of claims 1 to 4, characterized in that the embossing consists of at least one edge contour and a filling surface enclosed by this edge contour, both the edge contour and the filling surface consisting of at least one inclined plane, and that at least one inclined plane of the edge contour and one inclined plane of the filling surface are arranged in opposite directions to one another.
6. Datenträger nach Anspruch 3, dadurch gekennzeichnet, dass die schiefen Ebenen überlappend zueinander angeordnet sind. 6. Data carrier according to claim 3, characterized in that the inclined planes are arranged to overlap one another.
7. Datenträger nach wenigstens einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Prägung eine Blindprägung ist.7. Data carrier according to at least one of claims 1 to 6, characterized in that the embossing is blind embossing.
8. Datenträger nach wenigstens einem der Ansprüche 1 bis 7, dadurch ge- kennzeichnet, dass die Prägung im Stichtiefdruckverfahren hergestellt ist.8. Data carrier according to at least one of claims 1 to 7, characterized in that the embossing is produced in intaglio printing.
9. Datenträger nach wenigtens einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die schiefen Ebenen eine maximale Prägehöhe von 250 μm aufweisen.9. Data carrier according to at least one of claims 1 to 8, characterized in that the inclined planes have a maximum embossing height of 250 microns.
10. Datenträger nach wenigstens einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die schiefen Ebenen von weiteren Prägestrukturen überlagert werden.10. Data carrier according to at least one of claims 1 to 9, characterized in that the inclined planes are overlaid by further embossed structures.
11. Datenträger nach wenigstens einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die Prägung in Form von alphanumerischen Zeichen, Mustern oder bildlichen Darstellungen vorliegt.11. Data carrier according to at least one of claims 1 to 10, characterized in that the embossing is in the form of alphanumeric characters, patterns or pictorial representations.
12. Datenträger nach wenigstens einem der Ansprüche 1 bis 11, dadurch ge- kennzeichnet, dass der geprägte Bereich des Datenträgers mit wenigstens einer Schicht oder einer Schichtfolge versehen ist, deren visueller optischer Eindruck in Abhängigkeit vom Betrachtungswinkel variiert.12. Data carrier according to at least one of claims 1 to 11, characterized in that the embossed area of the data carrier is provided with at least one layer or a layer sequence, the visual optical impression of which varies depending on the viewing angle.
13. Datenträger nach Anspruch 12, dadurch gekennzeichnet, die Schicht oder Schichtfolge im Siebdruck- oder Transferverfahrer. aufgebracht ist.13. A data carrier according to claim 12, characterized in that the layer or layer sequence in the screen printing or transfer process. is applied.
14. Datenträger nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass die Schicht oder Schichtfolge aus Interfεrenzschichten, Fiüssigkristalischich- ten oder hochglänzenden Schichten besteht. 14. A data carrier according to claim 12 or 13, characterized in that the layer or layer sequence consists of interference layers, liquid crystal layers or high-gloss layers.
15. Datenträger nach Anspruch 14, dadurch gekennzeichnet, dass die hochglänzende Schicht eine Metallschicht ist.15. Data carrier according to claim 14, characterized in that the high-gloss layer is a metal layer.
16. Datenträger nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass die Schicht oder Schichtfolge aus einer Druckfarbe besteht und optisch variable Pigmente, wie Interferenzschicht- oder Flüssigkristallpigmente oder metallische Pigmente, enthält.16. Data carrier according to claim 12 or 13, characterized in that the layer or layer sequence consists of a printing ink and contains optically variable pigments, such as interference layer or liquid crystal pigments or metallic pigments.
17. Datenträger nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass die Schicht oder Schichtfolge aus Beugungstrukturen, wie Hologrammen,17. Data carrier according to claim 12 or 13, characterized in that the layer or layer sequence of diffraction structures, such as holograms,
Kinegramen, Beugungsgittern, bestehen.Kinegrams, diffraction gratings, exist.
18. Datenträger nach wenigestens einem der Ansprüche 1 bis 17, dadurch gekennzeichnet, dass die Prägung wenigstens eine schiefe Ebene mit einem mit einem Steigungswinkel von weniger als 10° und einer lateralen Abmessung in Richtung der größten Steigung der Ebene von mehr als 1,5 mm aufweist.18. Data carrier according to at least one of claims 1 to 17, characterized in that the embossing at least one inclined plane with a pitch angle of less than 10 ° and a lateral dimension in the direction of the greatest slope of the plane of more than 1.5 mm having.
19. Datenträger nach Anspruch 1, dadurch gekennzeichnet, dass der Daten- träger mit mehreren voneinander beabstandeten Prägungen versehen ist.19. Data carrier according to claim 1, characterized in that the data carrier is provided with a plurality of embossments spaced apart from one another.
20. Datenträger nach Anspruch 19, dadurch gekennzeichnet, dass sich eine schiefe Ebene über mehrere, insbesondere benachbarte Prägungen hinweg fortsetzt. 20. A data carrier according to claim 19, characterized in that an inclined plane continues over several, in particular adjacent, embossings.
EP99948895A 1998-10-02 1999-09-29 Data carrier Expired - Lifetime EP1117543B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19845552A DE19845552A1 (en) 1998-10-02 1998-10-02 Disk
DE19845552 1998-10-02
PCT/EP1999/007215 WO2000020225A1 (en) 1998-10-02 1999-09-29 Data carrier

Publications (2)

Publication Number Publication Date
EP1117543A1 true EP1117543A1 (en) 2001-07-25
EP1117543B1 EP1117543B1 (en) 2002-12-04

Family

ID=7883273

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99948895A Expired - Lifetime EP1117543B1 (en) 1998-10-02 1999-09-29 Data carrier

Country Status (15)

Country Link
US (1) US6712397B1 (en)
EP (1) EP1117543B1 (en)
JP (1) JP4640889B2 (en)
CN (1) CN1108242C (en)
AR (1) AR020680A1 (en)
AT (1) ATE228941T1 (en)
AU (1) AU754983B2 (en)
CA (1) CA2345228A1 (en)
CZ (1) CZ295320B6 (en)
DE (2) DE19845552A1 (en)
ES (1) ES2187199T3 (en)
PL (1) PL347149A1 (en)
PT (1) PT1117543E (en)
UA (1) UA69425C2 (en)
WO (1) WO2000020225A1 (en)

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WO2003056507A1 (en) 2001-12-24 2003-07-10 Digimarc Id Systems, Llc Systems, compositions, and methods for full color laser engraving of id documents
US7694887B2 (en) 2001-12-24 2010-04-13 L-1 Secure Credentialing, Inc. Optically variable personalized indicia for identification documents
US7728048B2 (en) 2002-12-20 2010-06-01 L-1 Secure Credentialing, Inc. Increasing thermal conductivity of host polymer used with laser engraving methods and compositions
CA2470547C (en) 2001-12-24 2008-05-20 Digimarc Id Systems, Llc Laser etched security features for identification documents and methods of making same
WO2003056500A1 (en) 2001-12-24 2003-07-10 Digimarc Id Systems, Llc Covert variable information on id documents and methods of making same
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Also Published As

Publication number Publication date
DE19845552A1 (en) 2000-04-06
CZ20011189A3 (en) 2002-08-14
CN1108242C (en) 2003-05-14
PT1117543E (en) 2003-03-31
CZ295320B6 (en) 2005-07-13
JP2002526291A (en) 2002-08-20
JP4640889B2 (en) 2011-03-02
UA69425C2 (en) 2004-09-15
CN1320084A (en) 2001-10-31
ATE228941T1 (en) 2002-12-15
AU754983B2 (en) 2002-11-28
AR020680A1 (en) 2002-05-22
CA2345228A1 (en) 2000-04-13
WO2000020225A1 (en) 2000-04-13
US6712397B1 (en) 2004-03-30
DE59903678D1 (en) 2003-01-16
ES2187199T3 (en) 2003-05-16
PL347149A1 (en) 2002-03-25
EP1117543B1 (en) 2002-12-04
AU6197999A (en) 2000-04-26

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