EP3115222B1 - Method for the production of a security feature on a portable data carrier - Google Patents

Method for the production of a security feature on a portable data carrier Download PDF

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Publication number
EP3115222B1
EP3115222B1 EP16001472.6A EP16001472A EP3115222B1 EP 3115222 B1 EP3115222 B1 EP 3115222B1 EP 16001472 A EP16001472 A EP 16001472A EP 3115222 B1 EP3115222 B1 EP 3115222B1
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EP
European Patent Office
Prior art keywords
dye
data carrier
laminating
security feature
penetration
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.)
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Application number
EP16001472.6A
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German (de)
French (fr)
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EP3115222A1 (en
Inventor
Josef Riedl
Günter Endres
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 Mobile Security GmbH
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Giesecke and Devrient Mobile Security GmbH
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Publication of EP3115222A1 publication Critical patent/EP3115222A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/378—Special inks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/455—Associating two or more layers using heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/46—Associating two or more layers using pressure

Definitions

  • the invention describes a method for producing a security feature on a portable data carrier.
  • a so-called dye sublimation process is known from the prior art.
  • This is a printing process which uses heat to print information on e.g. Transferring plastic, paper or tissue.
  • the process is used, for example, to transfer portable data carriers, e.g. Personalize chip cards, credit cards, bank cards, social security cards, identity cards, SIM cards, etc.
  • portable data carriers e.g. Personalize chip cards, credit cards, bank cards, social security cards, identity cards, SIM cards, etc.
  • a reversed image is printed on a transfer paper in order to then e.g. to transfer to a tissue.
  • direct printing e.g. possible on a fabric.
  • EP 0 071162 A2 a method for the production of security features on portable data carriers, wherein a colorant is printed on the data carrier.
  • DE 10 2013 218 751 A1 describes a method for producing a security feature for a valuable or security product.
  • DE 10 2008 012 437 A1 describes a method for producing a security document with protected, personalized information.
  • a personalization of a data carrier takes place as the last step in a manufacturing process of e.g. Cards and ID systems.
  • a color is applied to a surface of the data carrier.
  • the disadvantage of the known methods of the prior art is that they cannot be used to generate security features with a three-dimensional optical effect, as are known, for example, from optical tilted images, on a data carrier.
  • the invention discloses a method for producing a security feature on a portable data carrier, the security feature having a three-dimensional optical effect when viewed, which is characterized in that at least one first dye is first printed on at least one outermost film of the data carrier to be produced , whereby by subsequent lamination of the outermost film with at least one further film in order to produce the data carrier, the first dye is evaporated and penetrates into the data carrier and thus forms the security feature with a three-dimensional optical effect.
  • the advantage of the invention is that the penetration of the at least one first dye into at least part of the data carrier or its film layers creates a three-dimensional, optical effect when viewed, which furthermore has a registration accuracy of 100% between at least two different dyes.
  • the first dye is mixed with at least one second dye, the second dye not penetrating the data carrier, the second dye remaining on the surface of the data carrier after lamination and thus forming a contrast to the first dye, which in penetrates the data carrier.
  • At least one third dye is mixed with the first and / or second dye, the third dye being evaporated by the lamination of the data carrier and penetrating into the data carrier, the third dye having a different penetration depth and / or penetration speed than the first dye. It is advantageous that gradient-dependent color variations can be generated due to the different penetration depths and penetration speeds of the first and third dye. The gradient-dependent color variations arise when the first and third dyes separate during lamination. If, for example, the first and the third dye penetrate into a translucent area of the data carrier, then as an additional effect different colors can be recognized when looking at the front and back of the data carrier, e.g. yellow and blue in incident light and green in transmitted light.
  • the penetration depth and penetration speed of the first and third dye depend on a temperature and a pressure which are used when laminating the data carrier, and on a duration of lamination and on an amount of dye used. It is advantageous that different options such as temperature, pressure, duration of lamination and amount of dye can be determined, e.g. a desired contrast between different colorants of the security feature can be generated. Furthermore, e.g. a color intensity can also be set in this way.
  • At least one laminating sheet used in lamination is at least one Direction specifies the direction in which the first and / or the third dye penetrate into the data carrier. For example, it is possible for different or the same directions to be determined by a surface shape of the laminating sheet. This leads, for example, to areas of one color or a mixture of different colors. It can also be used to generate patterns, images, structures, designs, symbols, characters, numbers or letters.
  • Another advantageous embodiment of the invention is that a fluorescent dye is used as the first and / or second and / or third dye. It is advantageous that an additional optical light effect can be generated by a fluorescent dye.
  • Another advantageous embodiment of the invention is that for printing the first and / or the second and / or the third dye are mixed with a binder. It is advantageous that the binder enables the use of dyes that can otherwise only be used for so-called thermal transfer printing.
  • Another advantageous embodiment of the invention is that a screen printing process is used for printing.
  • any other suitable method is possible.
  • Figure 1 shows a cross section of an exemplary card-shaped data carrier 2, which is not yet laminated.
  • the data carrier 2 comprises two inner foils 4 in its interior, with only one foil 4 or more than two inner foils 4 being able to be present as an alternative. At least one of the inner foils 4 can be transparent and / or opaque.
  • An overlay film 6, 8 is arranged on each of the outer sides of the data carrier. The overlay film 6, 8 can also be translucent and / or opaque.
  • personalization information such as a name of a user, his photo, address, date of birth, insurance number and possibly further information can be arranged on at least one overlay film 6, 8.
  • a chip module with a contact-bound and / or contactless interface can be integrated in the data carrier 2.
  • An ink 10 according to the invention is printed on an overlay film 6, 8 and comprises at least one first dye which penetrates into the data carrier 2 or into the films 4, 6, 8 when the films 4, 6, 8 are laminated.
  • the color 10 comprises at least one first dye which penetrates into the data carrier 2 or into the foils 4, 6, 8 and at least one dye which does not penetrate into the data carrier or the foils 4, 6, 8.
  • the color comprises at least one third dye which likewise penetrates into the data carrier 2 or into the foils 4, 6, 8.
  • the first and the third dye differ in their different penetration depths and penetration speeds in the data carrier 2 or in the foils 4, 6, 8. This allows, for example, color variations depending on the course to be produced, since, for example, the first and the third dye separate during lamination and then differently penetrate quickly and deeply into the data carrier 2 or into the foils 4, 6, 8.
  • Figure 2 shows a cross section of the data carrier 2 after lamination.
  • the color 10 has only penetrated into the overlay film 6 here, for example, and has formed a security feature 12 with a three-dimensional optical effect.
  • the color 10 it is also possible for the color 10 to penetrate the foils 4 and also the foil 8. How deep the ink 10 penetrates into the data carrier 2 or into the foils 4, 6, 8 always depends on the desired result of a security feature 12 to be achieved with a three-dimensional optical effect.
  • the penetration depth is determined by the temperature and pressure during lamination, the duration of lamination and the amount of dye used.

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

Description

Die Erfindung beschreibt Verfahren zur Herstellung eines Sicherheitsmerkmals auf einem tragbaren Datenträger.The invention describes a method for producing a security feature on a portable data carrier.

Aus dem Stand der Technik ist ein sogenannter Dye-Sublimation-Prozess bekannt. Hierbei handelt es sich um einen Druckprozess, welcher Hitze verwendet, um eine zu druckende Information auf z.B. Plastik, Papier oder Gewebe zu übertragen. Der Prozess wird beispielsweise eingesetzt, um tragbare Datenträger, wie z.B. Chipkarten, Kreditkarten, Bankkarten, Sozialversicherungsausweise, Personalausweise, SIM-Karten, etc. zu personalisieren. Dazu wird beispielsweise ein seitenverkehrtes Bild auf ein Transferpapier gedruckt, um es anschließend z.B. auf ein Gewebe zu übertragen. Alternativ ist auch ein direkter Druck z.B. auf ein Gewebe möglich.A so-called dye sublimation process is known from the prior art. This is a printing process which uses heat to print information on e.g. Transferring plastic, paper or tissue. The process is used, for example, to transfer portable data carriers, e.g. Personalize chip cards, credit cards, bank cards, social security cards, identity cards, SIM cards, etc. For this purpose, for example, a reversed image is printed on a transfer paper in order to then e.g. to transfer to a tissue. Alternatively, direct printing e.g. possible on a fabric.

Ferner beschreibt EP 0 071162 A2 ein Verfahren zur Herstellung von Sicherheitsmerkmalen auf tragbaren Datenträgern, wobei ein Farbmittel auf den Datenträger gedruckt wird.Also describes EP 0 071162 A2 a method for the production of security features on portable data carriers, wherein a colorant is printed on the data carrier.

DE 689 28 365 T2 beschreibt ein Verfahren zur Herstellung eines Bilds auf einer Folienschicht. DE 689 28 365 T2 describes a method for producing an image on a film layer.

DE 10 2013 218 751 A1 beschreibt ein Verfahren zur Herstellung eines Sicherheitsmerkmals für ein Wert- oder Sicherheitsprodukt. DE 10 2013 218 751 A1 describes a method for producing a security feature for a valuable or security product.

DE 10 2008 012 437 A1 beschreibt ein Verfahren zur Herstellung eines Sicherheitsdokuments mit geschützten personalisierten Informationen. DE 10 2008 012 437 A1 describes a method for producing a security document with protected, personalized information.

Bei den aus dem Stand der Technik bekannten Verfahren erfolgt eine Personalisierung eines Datenträgers als letzter Schritt in einem Fertigungsprozess von z.B. Karten und Ausweissystemen. Dazu wird eine Farbe auf einer Oberfläche des Datenträgers aufgetragen.In the methods known from the prior art, a personalization of a data carrier takes place as the last step in a manufacturing process of e.g. Cards and ID systems. For this purpose, a color is applied to a surface of the data carrier.

Nachteilig an den bekannten Verfahren des Stands der Technik ist, dass damit keine Sicherheitsmerkmale mit einem dreidimensionalen optischen Effekt, wie sie z.B. von optischen Kippbildern bekannt sind, auf einem Datenträger erzeugt werden können.The disadvantage of the known methods of the prior art is that they cannot be used to generate security features with a three-dimensional optical effect, as are known, for example, from optical tilted images, on a data carrier.

Es ist deshalb Aufgabe der Erfindung eine Lösung für die oben genannten Probleme zur Verfügung zu stellen.It is therefore the object of the invention to provide a solution to the above-mentioned problems.

Die Aufgabe der Erfindung wird durch den unabhängigen Anspruch 1 gelöst. Vorteilhafte Ausführungen sind in den abhängigen Ansprüchen beschrieben. Zur Lösung der Aufgabe offenbart die Erfindung ein Verfahren zur Herstellung eines Sicherheitsmerkmals auf einem tragbaren Datenträger, wobei das Sicherheitsmerkmal einen dreidimensionalen optischen Effekt beim Betrachten aufweist, welches sich dadurch auszeichnet, dass zuerst mindestens ein erster Farbstoff auf mindestens eine äußerste Folie des herzustellenden Datenträgers gedruckt wird, wobei durch ein anschließendes Laminieren der äußersten Folie mit mindestens einer weiteren Folie, um den Datenträger herzustellen, der erste Farbstoff verdampft wird und in den Datenträger eindringt und somit das Sicherheitsmerkmal mit einem dreidimensionalen optischen Effekt bildet. Der Vorteil der Erfindung ist, dass durch das Eindringen des mindestens einen ersten Farbstoffs in zumindest einen Teil des Datenträgers bzw. dessen Folienschichten ein dreidimensionaler, optischer Effekt beim Betrachten erzeugt wird, welcher ferner eine Passergenauigkeit von 100% zwischen mindestens zwei verschiedenen Farbstoffen aufweist.The object of the invention is achieved by independent claim 1. Advantageous designs are described in the dependent claims. To achieve the object, the invention discloses a method for producing a security feature on a portable data carrier, the security feature having a three-dimensional optical effect when viewed, which is characterized in that at least one first dye is first printed on at least one outermost film of the data carrier to be produced , whereby by subsequent lamination of the outermost film with at least one further film in order to produce the data carrier, the first dye is evaporated and penetrates into the data carrier and thus forms the security feature with a three-dimensional optical effect. The advantage of the invention is that the penetration of the at least one first dye into at least part of the data carrier or its film layers creates a three-dimensional, optical effect when viewed, which furthermore has a registration accuracy of 100% between at least two different dyes.

Erfindungsgemäß ist vorgesehen, dass der erste Farbstoff mit mindestens einem zweiten Farbstoff vermischt wird, wobei der zweite Farbstoff nicht in den Datenträger eindringt, wobei der zweite Farbstoff auf der Oberfläche des Datenträgers nach der Laminierung bleibt und damit einen Kontrast zum ersten Farbstoff bildet, welcher in den Datenträger eindringt.According to the invention it is provided that the first dye is mixed with at least one second dye, the second dye not penetrating the data carrier, the second dye remaining on the surface of the data carrier after lamination and thus forming a contrast to the first dye, which in penetrates the data carrier.

Ein weiteres vorteilhaftes Ausführungsbeispiel der Erfindung ist, dass mindestens ein dritter Farbstoff mit dem ersten und/oder zweiten Farbstoff vermischt wird, wobei der dritte Farbstoff durch das Laminieren des Datenträgers verdampft wird und in den Datenträger eindringt, wobei der dritte Farbstoff eine andere Eindringtiefe und/oder Eindringgeschwindigkeit als der erste Farbstoff aufweist. Vorteilhaft ist, dass durch die unterschiedlichen Eindringtiefen und Eindringgeschwindigkeiten des ersten und dritten Farbstoffs verlaufsabhängige Farbvariationen erzeugt werden können. Die verlaufsabhängigen Farbvariationen entstehen, indem sich der erste und der dritte Farbstoff beim Laminieren entmischen. Wenn beispielsweise der erste und der dritte Farbstoff in einen lichtdurchlässigen Bereich des Datenträgers eindringen, dann können als zusätzlicher Effekt unterschiedliche Farben bei einer Betrachtung von Vorder- und Rückseite des Datenträgers erkannt werden, so ist z.B. bei Auflicht gelb und blau zu erkennen und bei Durchlicht grün.Another advantageous embodiment of the invention is that at least one third dye is mixed with the first and / or second dye, the third dye being evaporated by the lamination of the data carrier and penetrating into the data carrier, the third dye having a different penetration depth and / or penetration speed than the first dye. It is advantageous that gradient-dependent color variations can be generated due to the different penetration depths and penetration speeds of the first and third dye. The gradient-dependent color variations arise when the first and third dyes separate during lamination. If, for example, the first and the third dye penetrate into a translucent area of the data carrier, then as an additional effect different colors can be recognized when looking at the front and back of the data carrier, e.g. yellow and blue in incident light and green in transmitted light.

Ein weiteres vorteilhaftes Ausführungsbeispiel der Erfindung ist, dass die Eindringtiefe und Eindringgeschwindigkeit des ersten und des dritten Farbstoffs abhängen von einer Temperatur und einem Druck, welche beim Laminieren des Datenträgers eingesetzt werden, und von einer zeitlichen Dauer des Laminierens und von einer verwendeten Farbstoffmenge. Vorteilhaft ist, dass über verschiedene Möglichkeiten, wie Temperatur, Druck, zeitliche Dauer der Laminierung und Farbstoffmenge bestimmt werden kann, wie z.B. ein gewünschter Kontrast zwischen verschiedenen Farbstoffen des Sicherheitsmerkmals erzeugt werden kann. Desweiteren können z.B. so auch eine Farbintensität eingestellt werden.Another advantageous embodiment of the invention is that the penetration depth and penetration speed of the first and third dye depend on a temperature and a pressure which are used when laminating the data carrier, and on a duration of lamination and on an amount of dye used. It is advantageous that different options such as temperature, pressure, duration of lamination and amount of dye can be determined, e.g. a desired contrast between different colorants of the security feature can be generated. Furthermore, e.g. a color intensity can also be set in this way.

Ein weiteres vorteilhaftes Ausführungsbeispiel der Erfindung ist, dass mindestens ein beim Laminieren verwendetes Laminierblech mindestens eine Richtung vorgibt, in welcher Richtung der erste und/oder der dritte Farbstoff in den Datenträger eindringen. So ist es z.B. möglich, dass durch eine Oberflächenform des Laminierblechs unterschiedliche oder gleiche Richtungen bestimmt werden. Dies führt z.B. zu Flächen einer Farbe oder einer Mischung aus verschiedenen Farben. Ferner können damit z.B. auch Muster, Bilder, Strukturen, Designs, Symbole, Zeichen, Zahlen oder Buchstaben erzeugt werden.Another advantageous embodiment of the invention is that at least one laminating sheet used in lamination is at least one Direction specifies the direction in which the first and / or the third dye penetrate into the data carrier. For example, it is possible for different or the same directions to be determined by a surface shape of the laminating sheet. This leads, for example, to areas of one color or a mixture of different colors. It can also be used to generate patterns, images, structures, designs, symbols, characters, numbers or letters.

Ein weiteres vorteilhaftes Ausführungsbeispiel der Erfindung ist, dass als erster und/oder zweiter und/oder dritter Farbstoff ein fluoreszierender Farbstoff verwendet wird. Vorteilhaft ist, dass durch einen fluoreszierenden Farbstoff ein zusätzlicher optischer Leuchteffekt erzeugt werden kann.Another advantageous embodiment of the invention is that a fluorescent dye is used as the first and / or second and / or third dye. It is advantageous that an additional optical light effect can be generated by a fluorescent dye.

Ein weiteres vorteilhaftes Ausführungsbeispiel der Erfindung ist, dass zum Drucken der erste und/oder der zweite und/oder der dritte Farbstoff mit einem Bindemittel vermischt werden. Vorteilhaft ist, dass das Bindemittel eine Verwendung von Farbstoffen ermöglicht, die sonst nur für den sogenannten Thermotransferdruck eingesetzt werden können.Another advantageous embodiment of the invention is that for printing the first and / or the second and / or the third dye are mixed with a binder. It is advantageous that the binder enables the use of dyes that can otherwise only be used for so-called thermal transfer printing.

Ein weiteres vorteilhaftes Ausführungsbeispiel der Erfindung ist, dass zum Drucken ein Siebdruckverfahren verwendet wird. Alternativ ist jedes andere geeignete Verfahren möglich.Another advantageous embodiment of the invention is that a screen printing process is used for printing. Alternatively, any other suitable method is possible.

Im Folgenden werden vorteilhafte Ausführungsbeispiele der Erfindung beschrieben.

  • Figur 1 zeigt einen Querschnitt durch einen Aufbau eines Datenträgers, der nocht nicht laminiert ist.
  • Figur 2 zeigt einen Querschnitt durch einen Aufbau eines Datenträgers, der laminiert ist.
Advantageous exemplary embodiments of the invention are described below.
  • Figure 1 shows a cross section through a structure of a data carrier which is not yet laminated.
  • Figure 2 shows a cross section through a structure of a data carrier which is laminated.

In Figur 1 ist ein Querschnitt eines beispielhaften kartenförmigen Datenträgers 2 dargestellt, welcher noch nicht laminiert ist. Der Datenträger 2 umfasst in seinem Inneren zwei innere Folien 4, wobei alternativ auch nur eine Folie 4 oder auch mehr als zwei innere Folien 4 vorhanden sein können. Mindestens eine der inneren Folien 4 kann lichtdurchlässig und/ oder lichtundurchlässig sein. Auf den Außenseiten des Datenträgers ist jeweils eine Overlayfolie 6, 8 angeordnet. Die Overlayfolie 6, 8 kann ebenfalls lichtdurchlässig und/oder lichtundurchlässig sein. Ferner können auf mindestens einer Overlayfolie 6, 8 z.B. Personalisierungsinformationen, wie z.B. ein Name eines Benutzers, dessen Foto, Adresse, Geburtsdatum, Versicherungsnummer und gegebenenfalls weitere Informationen angeordnet sein. Ferner kann in dem Datenträger 2 ein Chipmodul mit einer kontaktgebundenen und/oder kontaktlosen Schnittstelle integriert sein. Auf einer Overlayfolie 6, 8 ist eine erfindungsgemäße Farbe 10 aufgedruckt, welche mindestens einen ersten Farbstoff umfasst, welcher bei der Laminierung der Folien 4, 6, 8 in den Datenträger 2 bzw. in die Folien 4, 6, 8 eindringt. Die Farbe 10 umfasst mindestens einen ersten Farbstoff, welcher in den Datenträger 2 bzw. in die Folien 4, 6, 8 eindringt und mindestens einen Farbstoff, der nicht in den Datenträger bzw. die Folien 4, 6, 8 eindringt. Ferner besteht die Möglichkeit, dass die Farbe mindestens einen dritten Farbstoff umfasst, der ebenfalls in den Datenträger 2 bzw. in die Folien 4, 6, 8 eindringt. Der erste und der dritte Farbstoff unterscheiden sich durch unterschiedliche Eindringtiefen und Eindringgeschwindigkeiten in den Datenträger 2 bzw. in die Folien 4, 6, 8. Damit können z.B. verlaufsabhängige Farbvariationen hergestellt werden, da sich z.B. der erste und der dritte Farbstoff beim Laminieren entmischen und dann unterschiedlich schnell und tief in den Datenträger 2 bzw. in die Folien 4, 6, 8 eindringen.In Figure 1 shows a cross section of an exemplary card-shaped data carrier 2, which is not yet laminated. The data carrier 2 comprises two inner foils 4 in its interior, with only one foil 4 or more than two inner foils 4 being able to be present as an alternative. At least one of the inner foils 4 can be transparent and / or opaque. An overlay film 6, 8 is arranged on each of the outer sides of the data carrier. The overlay film 6, 8 can also be translucent and / or opaque. Furthermore, for example personalization information, such as a name of a user, his photo, address, date of birth, insurance number and possibly further information can be arranged on at least one overlay film 6, 8. Furthermore, a chip module with a contact-bound and / or contactless interface can be integrated in the data carrier 2. An ink 10 according to the invention is printed on an overlay film 6, 8 and comprises at least one first dye which penetrates into the data carrier 2 or into the films 4, 6, 8 when the films 4, 6, 8 are laminated. The color 10 comprises at least one first dye which penetrates into the data carrier 2 or into the foils 4, 6, 8 and at least one dye which does not penetrate into the data carrier or the foils 4, 6, 8. There is also the possibility that the color comprises at least one third dye which likewise penetrates into the data carrier 2 or into the foils 4, 6, 8. The first and the third dye differ in their different penetration depths and penetration speeds in the data carrier 2 or in the foils 4, 6, 8. This allows, for example, color variations depending on the course to be produced, since, for example, the first and the third dye separate during lamination and then differently penetrate quickly and deeply into the data carrier 2 or into the foils 4, 6, 8.

Figur 2 zeigt einen Querschnitt des Datenträgers 2 nach dem Laminieren. Mittels der Wärme des Laminierens ist die Farbe 10 hier beispielsweise nur in die Overlayfolie 6 eingedrungen und hat ein Sicherheitsmerkmal 12 mit einem dreidimensionalen optischen Effekt gebildet. Es ist jedoch auch möglich, dass die Farbe 10 die Folien 4 und auch die Folie 8 durchdringt. Wie tief die Farbe 10 in den Datenträger 2 bzw. in die Folien 4, 6, 8 eindringt, hängt immer ab von dem gewünschten Ergebnis eines zu erzielenden Sicherheitsmerkmals 12 mit einem dreidimensionalen optischen Effekt. Die Eindringtiefe wird beispielsweise beim Laminieren bestimmt durch die Temperatur und den Druck beim Laminieren, die zeitliche Dauer des Laminierens und von der verwendeten Farbstoffmenge. Figure 2 shows a cross section of the data carrier 2 after lamination. By means of the heat of the lamination, the color 10 has only penetrated into the overlay film 6 here, for example, and has formed a security feature 12 with a three-dimensional optical effect. However, it is also possible for the color 10 to penetrate the foils 4 and also the foil 8. How deep the ink 10 penetrates into the data carrier 2 or into the foils 4, 6, 8 always depends on the desired result of a security feature 12 to be achieved with a three-dimensional optical effect. During lamination, for example, the penetration depth is determined by the temperature and pressure during lamination, the duration of lamination and the amount of dye used.

BezugszeichenlisteList of reference symbols

22
kartenförmiger Datenträgercard-shaped data carrier
44th
innere Folieinner slide
66th
OverlayfolieOverlay film
88th
OverlayfolieOverlay film
1010
Farbe, die mindestens einen Farbstoff umfasst, der in den Datenträger durch die Laminierung eindringtInk comprising at least one dye that penetrates the data carrier through the lamination
1212
Sicherheitsmerkmal mit einem dreidimensionalen optischen Effekt, welches durch Eindringen der Farbe in den Datenträger beim Laminieren gebildet wirdSecurity feature with a three-dimensional optical effect, which is formed by the penetration of the color into the data carrier during lamination

Claims (7)

  1. A method for producing a security feature (12) on a portable data carrier (2),
    wherein the security feature (12) has a three-dimensional visual effect upon viewing,
    wherein
    first at least one first dye is printed on at least one outermost film (6, 8) of the data carrier (2) to be produced,
    wherein, by subsequently laminating the outermost film (6, 8) with at least one further film (4) to produce the data carrier (2), the first dye is vaporized and penetrates into the data carrier (2) and therefore forms the security feature (12) having a three-dimensional optical effect,
    characterized in that the first dye is mixed with at least one second dye,
    wherein the second dye does not penetrate into the data carrier (2),
    wherein after the lamination the second dye remains on the surface of the data carrier and thereby forms a contrast to the first dye which penetrates into the data carrier.
  2. The method according to claims 1, characterized in that at least one third dye is mixed with the first and/or second dye,
    wherein the third dye is vaporized by the laminating of the data carrier (2) and penetrates into the data carrier (2),
    wherein the third dye has a different penetration depth and/or penetration rate than the first dye,
    wherein color variations depending on the course are generated by the different penetration depths and penetration rates of the first and third dye.
  3. The method according to any of the preceding claims, characterized in that the penetration depth and penetration rate of the first and the third dye depend on
    a temperature and a pressure, which are used upon laminating the data carrier (2), and on
    a time duration of the laminating and on
    an amount of dye used,
    wherein it is determined via temperature, pressure, time duration of the laminating and amount of dye, how a contrast is created between different dyes of the security feature,
    wherein thus a color intensity is also set.
  4. The method according to claim 2, characterized in that at least one laminating sheet used in the lamination specifies at least one direction in which direction the first and/or the third dye penetrate into the data carrier (2), wherein the laminating plate by its surface form pre-specifies different directions in which directions the first one and/or the third dye penetrate into the data carrier to generate patterns, images, structures, designs, symbols, signs, numbers or letters.
  5. The method according to any of the preceding claims, characterized in that a fluorescent dye is used as the first and/or second and/or third dye.
  6. The method according to any of the preceding claims, characterized in that for printing, the first and/or the second and/or the third dye are mixed with a binder.
  7. The method according to any of the preceding claims, characterized in that a screen printing method is used for printing.
EP16001472.6A 2015-07-06 2016-07-01 Method for the production of a security feature on a portable data carrier Active EP3115222B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015008717.7A DE102015008717A1 (en) 2015-07-06 2015-07-06 Method for producing a security feature on a portable data carrier

Publications (2)

Publication Number Publication Date
EP3115222A1 EP3115222A1 (en) 2017-01-11
EP3115222B1 true EP3115222B1 (en) 2020-09-09

Family

ID=56555157

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16001472.6A Active EP3115222B1 (en) 2015-07-06 2016-07-01 Method for the production of a security feature on a portable data carrier

Country Status (2)

Country Link
EP (1) EP3115222B1 (en)
DE (1) DE102015008717A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3129400C2 (en) 1981-07-25 1985-06-27 Dynamit Nobel Ag, 5210 Troisdorf Use of a flat structure made of plastic
DK286983A (en) * 1982-06-21 1983-12-22 Hlh Corp COLOR PATTERN ABSORPTION IN PLASTIC
DE68928365T2 (en) * 1988-11-18 1998-04-02 De La Rue Co Plc IMAGE PRODUCTION ON PLASTIC ITEMS
US6135503A (en) * 1997-11-21 2000-10-24 Giesecke & Devrient Gmbh Identification document
DE102008012437A1 (en) * 2008-02-29 2009-09-03 Bundesdruckerei Gmbh Method for producing a security and / or value document with protected personalized information
DE102013218751A1 (en) * 2013-09-18 2015-03-19 Bundesdruckerei Gmbh Method for producing a security feature of a value or security product and method for producing such a product

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3115222A1 (en) 2017-01-11
DE102015008717A1 (en) 2017-01-12

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