EP3645302B1 - Security element comprising a printed image with a three-dimensional effect - Google Patents
Security element comprising a printed image with a three-dimensional effect Download PDFInfo
- Publication number
- EP3645302B1 EP3645302B1 EP18734748.9A EP18734748A EP3645302B1 EP 3645302 B1 EP3645302 B1 EP 3645302B1 EP 18734748 A EP18734748 A EP 18734748A EP 3645302 B1 EP3645302 B1 EP 3645302B1
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- European Patent Office
- Prior art keywords
- layer
- carrier
- design
- structural
- structural layer
- Prior art date
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Classifications
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- 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
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- 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
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- 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
- B42D25/24—Passports
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- 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
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- 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
- B42D25/305—Associated digital information
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- 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
- B42D25/324—Reliefs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/351—Translucent or partly translucent parts, e.g. windows
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- 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
- B42D25/355—Security threads
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- 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
- B42D25/373—Metallic materials
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
- B42D25/46—Associating two or more layers using pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/475—Cutting cards
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- 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
- B42D25/48—Controlling the manufacturing process
Definitions
- the invention relates to a method for producing a physical security element with a three-dimensional printed image and a corresponding security element.
- the invention relates to a plastic card, for example a credit card or a payment card, with a three-dimensional printed image that forms a security feature.
- EP 2886357 A2 discloses a security document made up of several foils laminated together and having a security feature which is based on a relief structure and creates a three-dimensional impression.
- the relief structure is produced using a relief lacquer and/or by embossing the surface of the film carrying the relief lacquer.
- WO 2004/065135 A1 discloses a method for producing a three-dimensional image on a card body, in which a reflective layer is first formed on the back of a transparent core layer and an image-forming material is applied thereto, which can be driven into the core layer. A transparent topcoat is placed over the image-forming material. The resulting layer arrangement is then laminated to form a card body. In doing so, the image-forming material is driven into the reflective layer and into the core layer, creating an embedded image. When subsequently viewed from the front of the core layer, there is an enhanced reflection at contoured edges of the resulting embedded image, supporting a three-dimensional visual impression.
- a multi-layer card is known in which a security element is embedded between two card layers, which has a plastic or lacquer layer with a relief structure.
- the security element is connected to the adjacent card layers by layers of adhesive.
- WO 01/62516 A1 discloses a card with several laminated layers between which a security element with a relief structure, eg in the form of a holographic diffraction structure, is embedded.
- the relief structure lies in a lacquer layer of the security element and has a higher softening point than the adjacent layers.
- the object of the invention is to specify a method for producing a three-dimensional pattern on a security element, which can be implemented without special requirements for the materials to be used or the method steps to be carried out, and which provides a feature that can be easily combined with other features.
- the method according to the invention has the advantage that it can be carried out using common production methods and does not place any increased demands on the materials to be used.
- the process provides forms and characters that appear spatial in a simple manner.
- the feature that can be produced by the method is particularly suitable for common payment, credit and ID cards.
- a particular advantage of the method according to the invention is that when it is carried out, no other structural components of the security element that are provided specifically for the production of features are damaged or impaired. In particular, no feature-forming layers are damaged during the production of cards.
- the method according to the invention is based on the approach of forming a structural layer containing a pattern on a multilayer security element.
- the structural layer is pressed into the core layer of the security element by lamination, in the process also deforming a design layer connected to the core layer.
- the strength or thickness of the design layer is not changed or only slightly changed. Due to the deformation of the design layer, the pattern contained in the structure layer becomes recognizable as a spatially perceptible image structure.
- the structural layer is applied as a lacquer layer in a printing process.
- the lacquer used is preferably transparent.
- the method according to the invention is described below using the example of a plastic card in a standard format, such as are commonly used as payment cards, credit cards or ID cards.
- 1 shows an example of a chip card whose geometry corresponds to ISO 7810, for example.
- the method is not limited to plastic cards, but is generally suitable for physical security elements that are made up of several layers bonded under pressure and heat and have a printable surface, such as labels, signs or packaging.
- figure 1 shows a card with a chip 25 in a partially perspective top view as an example of a physical security element 20.
- the card 20 typically has standard dimensions, for example according to ISO 7810. Their surfaces are smooth and lie plane-parallel to one another. On what is arbitrarily referred to as top surface 21, card 20 bears a plurality of features visually recognizable to a user, some for personalization and some for security.
- the card 20 bears a pattern 10 produced by the method of the invention.
- the pattern 10 covers part of the surface 21 and has a recess 19 in which the surface 21 is visible.
- the card 20 carries an inscription 23 which is partially applied over the pattern 10. It also carries a separate security feature, such as a hologram 24.
- FIG. 1 shows a first variant of a method for generating a pattern 10 on a card 20. A part of the components of the card 20 before the connection is shown in an exploded view that is not true to scale.
- the base of the card 20 is a carrier 1 made of a thermoplastic material, which is usually provided in the form of a plastic layer or a combination of several plastic layers.
- the plastic can be PVC, but also other common card materials. If the card to be produced corresponds to the ISO standard for credit cards, the carrier 1 typically has a thickness h 1 of 250 to 700 ⁇ m.
- the carrier 1 forms the core layer of the card 20. Its practical thickness of the carrier 1 depends on the selected card format, the intended use, special specifications for certain card layers and/or the desired number and thickness of individual layers that form the carrier 1.
- a design layer 3 is placed over the carrier 1 .
- the design layer 3 is opaque or semi-transparent. It is generally applied over the entire surface 11 of the carrier 1 and has a thickness h 2 of 5 to 25 ⁇ m.
- the design layer 3 is applied to the carrier 1 by screen printing. It is expedient to use a customary design ink on a transparent solution based, which is provided with color particles. In addition, it can contain, for example, metallic particles that create a special optical effect, for example a glitter effect.
- the design layer 3 can also be provided as a separate layer in the form of a film.
- the design layer 3 can, as in 2 indicated to be multi-layered. It then consists, for example, of a base layer 13, which is designed as a white layer, for example. There is an optically effective layer 14 which is designed, for example, as a layer with metallic particles. In a variant, the base layer 13 can be formed by a thin metal foil, to which a design print 14 is applied as the second layer. In the following, the design layer 3 is always shown as a single layer to simplify the description.
- a structural layer 5 lies over the design layer 3.
- the structural layer 5 is transparent, ie transparent or semi-transparent. It typically covers only part of the surface 11 of the carrier 1.
- the structural layer 5 forms a pattern 10 in plan view, which represents pictorial or alphanumeric information.
- the pattern 10 can be a simple closed geometric shape, such as a dot or a rectangle, or a complex shape that includes voids 19, such as letters, design patterns, or pictorial motifs.
- voids 19 such as letters, design patterns, or pictorial motifs.
- FIG 1 a stylized flower is indicated, the center of which is formed by a recess 19.
- the pattern 10 does not cover the entire area of the card. It consists of inner zones 16 and edge areas 15, which differ in their optical effect.
- the structural layer 5 is in the form of a lacquer layer.
- a lacquer layer 5 is based on a solvent or is solvent-free and is printed using a screen printing process. Printing can take place either on the top layer 7 or on the design layer 3 . After application, the paint layer is cured. Their strength h 3 is appropriate between 25 ⁇ m and 100 ⁇ m; in practical tests the thickness was between 30 and 60 ⁇ m.
- the structural layer 5 can also be embodied as an independent film in which the pattern 10 is introduced in the form of a structure of recesses.
- a cover layer 7 lies over the structural layer 5. Its upper side is smooth and forms the surface 21 of the card 20.
- the cover layer 7 is also transparent, ie transparent or semi-transparent. It is expediently provided as a film and has a thickness h 4 of 50 to 100 ⁇ m. Its thickness is expediently between 60 and 80 ⁇ m.
- the carrier 1 has a higher plasticity than the other components, i.e. its shape can be permanently changed at a lower temperature than the other components.
- the glass transition temperature of the carrier 1 is lower than that of the cover layer 7.
- the cover layer 7 behaves hard in comparison to the carrier 1 and also in comparison to the other components and undergoes little or no change in shape as a result of conventional lamination, i.e. it can be compressed by a maximum of 15%.
- the structural layer 5 has a greater or similar thermal stability to the carrier 1. Under pressure and heat, it undergoes a change in shape during lamination in its edge regions 15, while otherwise it essentially retains its shape and is compressed by a maximum of 10%.
- the design layer 3 also has a greater heat resistance than the carrier 1.
- the design layer 3 can hardly be laminated under normal conditions compress, ie their strength changes by at most 15%. However, the design layer 3 can be deformed by the action of pressure without its thickness changing.
- the connection of the figure 1 components shown takes place in two phases: in the first phase, the design layer 3 is applied to the carrier 1 and the structure layer 5 is applied to the design layer 3 or to the cover layer 7 . In the second phase, the components that are then present are connected to one another in a conventional laminating process under pressure and heat.
- the carrier 1 behaves softly in relation to the design layer 3 and the lacquer layer 5 during lamination.
- the carrier 1 also behaves softly in relation to the cover layer 7 and the structural layer 5 . This means that while the top layer 7, structural layer 5, design layer 3 and lacquer layer 5 retain their shape completely or at least in principle during lamination, the carrier 1 changes its shape.
- the lacquer layer 5 is pressed into the carrier 1 during lamination.
- the design layer 3 is pressed into the carrier 1 together with the lacquer layer 5 .
- the carrier 1 is compressed and reshaped wherever the lacquer layer 5 is located.
- the lacquer layer 5 remains basically unchanged during lamination, but the edge regions 15 change their shape.
- the inner zones 16 of the lacquer layer 5 remain essentially unchanged.
- the thickness of the lacquer layer 5 remains essentially unchanged in the inner zones; at most, the lamination can result in a small, homogeneous compression of the thickness of max. 10%.
- the lacquer layer 5 is reshaped like a lens.
- the lower surface 18 of the lacquer layer 5, which faces the carrier 1, and the upper surface 1, which faces the cover layer 7, converge tangentially after forming and form an acute angle. In the process, the lower surface 18 rises in the edge regions 15 towards the upper surface 17 .
- the design layer 3 is deformed during lamination where the lacquer layer 5 is located; However, its thickness does not change as a result, or only insignificantly, i.e. less than 10%, and the design layer 3 remains cohesive.
- figure 3 illustrates the resulting map structure after the in figure 2 components shown are laminated together.
- the carrier 1 is compressed and deformed accordingly.
- the lacquer layer 5 is pressed into the carrier 1, taking with it the design layer 3 lying in between.
- the design layer 3 is deformed according to the contour of the structure layer 5, but has not changed its thickness or only slightly, ie by at most 10%, and has remained connected.
- the paint layer 5 is essentially undeformed in the inner zones 16, ie its thickness has changed by at most 10% according to the invention, and is shaped like a lens in the edge regions 15.
- the paint layer 5 therefore runs in the edge areas 15 to form a smooth transition through decreasing
- the design layer 3 lies accordingly in the inner zones 16 between the structural layer 5 and the carrier 1. In the edge regions 15, it rises in a gentle, continuous transition towards the cover layer 8, at the transitions to the recesses 19 or to the adjacent Areas of the surface 21 without pattern 10 to meet tangentially on the cover layer 7.
- the design layer 3 lies directly against the cover layer 7 in the recesses 19 or in the areas of the surface 21 without a pattern 10 .
- edge areas 15 of the paint layer 5 between areas with a paint layer 5 and areas without a paint layer 5 lead to an optically perceptible effect when viewed from above, because light is reflected differently in the edge zones 15 than in the inner zones 16 and in the zones outside of the Pattern 10 in which only the design layer 3 is present.
- the effect of the effect produced by the edge regions 15 is that the pattern 10 represented by the lacquer layer 5 appears three-dimensional.
- figure 4 illustrates the spatial effect. Shown is a top view of a card 20 which has a pattern 10 produced according to the method described.
- the pattern 10 is an asymmetrical "U" in the example.
- the cross section through the sample 10 along the line AA corresponds in principle to that in 3 shown cross section. If the illustrated pattern 10 receives light incident from the left side, for example, as indicated by the arrows, the edge areas 15 appear reflective to different extents, depending on whether they are inclined away from the incidence of light, are parallel to it, or are inclined against the incidence of light. In this way, the edge regions 15 produce a depth effect. As a result, the pattern 10 can be perceived in combination as a spatial structure in the design layer 3 .
- Figures 5 and 6 show an embodiment variant of the method described, in which the structural layer 5 is pressed indirectly into a cover layer 8 via the carrier layer 1 .
- the design layer 3 is not formed on the side 11 of the carrier 1 facing the structure layer 5, but on the side 12 facing away. Its upper side is smooth and forms the lower surface 22 of the card 20.
- the further top layer 8, like the top layer 7, is transparent and has a thickness of 50 to 150 ⁇ m, suitably 60 to 90 ⁇ m.
- the additional top layer 8 has a lower thermal stability and higher plasticity than the carrier 1 and also than the design layer 3. Ie the additional top layer 8 is more easily plastically deformable than the carrier 1 and design layer 3 and has a lower glass transition temperature.
- the structural layer 5 When laminating the in figure 5 The arrangement shown, the structural layer 5 is pressed into the carrier 1. The structural layer 5 in turn changes in the edge regions 15 as shown in FIG 2 explains its cross-sectional profile and is reshaped.
- the carrier 1 is in turn deformed by the structural layer 5 being pushed up and reproduces its surface contour.
- the carrier 1 is doing, however - unlike in the embodiment after 2 - in profile not or at most insignificantly deformed and essentially retains its thickness h 1 over the entire surface; "insignificant” is understood to mean a homogeneous change in one dimension of at most 10%.
- the carrier 1 instead of undergoing a reshaping, the carrier 1 merely deforms and reproduces the contour of the structural layer 5 on the side facing away.
- the carrier 1 presses on the design layer 3 and the further top layer 8.
- the design layer 3 is deformed by the carrier 1, but again its thickness h 2 essentially retained, ie changes by at most 10%, and remains coherent.
- the design layer 3 in turn reproduces the contour of the structure layer 5 and is pressed into the further cover layer 8 .
- the further cover layer 8 is compressed and thereby reshaped.
- the pattern 10 represented by the structural layer 5 can thus be perceived as a three-dimensional pattern on the side 6 of the carrier 1 facing away.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Credit Cards Or The Like (AREA)
- Laminated Bodies (AREA)
Description
Die Erfindung betrifft ein Verfahren zur Herstellung eines physischen Sicherheitselementes mit einem räumlich wirkenden Druckbild und ein entsprechendes Sicherheitselement. Insbesondere betrifft die Erfindung eine Karte aus Kunststoff, beispielsweise eine Kreditkarte oder eine Zahlungskarte mit einem räumlichen Druckbild, das ein Sicherheitsmerkmale bildet.The invention relates to a method for producing a physical security element with a three-dimensional printed image and a corresponding security element. In particular, the invention relates to a plastic card, for example a credit card or a payment card, with a three-dimensional printed image that forms a security feature.
Aus der
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Aus der
Aus der
Aus der
Aufgabe der Erfindung ist es, ein Verfahren zur Herstellung eines räumliche wirkenden Musters auf einem Sicherheitselement anzugeben, das ohne besondere Anforderungen an die einzusetzenden Materialien oder an die durchzuführenden Verfahrensschritte umsetzbar ist, und das ein Merkmal liefert, das sich gut mit anderen Merkmalen kombinieren lässt.The object of the invention is to specify a method for producing a three-dimensional pattern on a security element, which can be implemented without special requirements for the materials to be used or the method steps to be carried out, and which provides a feature that can be easily combined with other features.
Diese Aufgabe wird gelöst durch ein Verfahren und ein Sicherheitselement mit den Merkmalen gemäß den unabhängigen Ansprüchen 1 und 11.This object is achieved by a method and a security element having the features according to
Das erfindungsgemäße Verfahren hat den Vorteil, dass es mit gängigen Herstellungsmethoden ausführbar ist und keine erhöhten Anforderungen an einzusetzenden Materialien stellt. Das Verfahren liefert auf einfache Weise Formen und Zeichen, die räumlich wirken. Das durch das Verfahren herstellbare Merkmal eignet sich besonders für gängige Zahlungs-, Kredit- und Ausweiskarten.The method according to the invention has the advantage that it can be carried out using common production methods and does not place any increased demands on the materials to be used. The process provides forms and characters that appear spatial in a simple manner. The feature that can be produced by the method is particularly suitable for common payment, credit and ID cards.
Ein besonderer Vorteil des erfindungsgemäßen Verfahrens ist, dass bei seiner Ausführung keine anderen Strukturkomponenten des Sicherheitselementes beschädigt oder beeinträchtigt werden, die eigens zur Herstellung von Merkmalen bereitgestellt werden. Insbesondere werden bei der Herstellung von Karten keine merkmalsbildenden Schichten verletzt.A particular advantage of the method according to the invention is that when it is carried out, no other structural components of the security element that are provided specifically for the production of features are damaged or impaired. In particular, no feature-forming layers are damaged during the production of cards.
Das erfindungsgemäße Verfahren beruht auf dem Ansatz, auf einem mehrschichtigen Sicherheitselement eine Strukturschicht auszubilden, die ein Muster beinhaltet. Die Strukturschicht wird durch Laminieren in die Kemschicht des Sicherheitselementes eingedrückt, wobei sie eine mit der Kernschicht verbundene Designschicht mitverformt. Die Stärke oder Dicke der Designschicht wird dabei nicht oder nur unwesentlich verändert. Durch die Verformung der Designschicht wird das in der Strukturschicht enthaltener Muster als räumlich wahrnehmbare Bildstruktur erkennbar.The method according to the invention is based on the approach of forming a structural layer containing a pattern on a multilayer security element. The structural layer is pressed into the core layer of the security element by lamination, in the process also deforming a design layer connected to the core layer. The strength or thickness of the design layer is not changed or only slightly changed. Due to the deformation of the design layer, the pattern contained in the structure layer becomes recognizable as a spatially perceptible image structure.
In einer besonders vorteilhaften Ausgestaltung wird die Strukturschicht in einem Druckverfahren als Lackschicht aufgebracht. Bevorzugt ist der verwendete Lack transparent.In a particularly advantageous embodiment, the structural layer is applied as a lacquer layer in a printing process. The lacquer used is preferably transparent.
Weitere vorteilhafte Weiterbildungen und zweckmäßige Ausgestaltungen des erfindungsgemäßen Verfahrens ergeben sich aus den Merkmalen der abhängigen Ansprüche.Further advantageous developments and expedient refinements of the method according to the invention result from the features of the dependent claims.
Unter Bezugnahme auf die Zeichnung werden nachfolgend Ausführungsbeispiele der Erfindung näher erläutert.With reference to the drawing, exemplary embodiments of the invention are explained in more detail below.
Es zeigen:
- Figur 1
- zeigt in einer teilperspektivischen Ansicht eine mit Merkmalen versehene Karte,
- Figur 2
- am Beispiel einer Karte zusammenzufügende Komponenten vor dem Verbinden,
Figur 3- einen Ausschnitt aus einer mit den Komponenten nach
Figur 1 hergestellten Karte nach dem Verbinden, - Figur 4
- eine Aufsicht auf einen Ausschnitt einer nach den
Figuren 1 oder 2 hergestellten Karte, Figur 5- eine Variante des Verfahrens nach
Figur 1 vor dem Verbinden, und - Figur 6
- eine nach der Variante gemäß
Figur 4 hergestellte Karte nach dem Verbinden.
- figure 1
- shows a map with features in a partial perspective view,
- figure 2
- Using the example of a map, components to be assembled before connecting,
- figure 3
- an excerpt from one with the components
figure 1 produced card after connecting, - figure 4
- a top view of a section one after the
figures 1 or 2 manufactured card, - figure 5
- a variant of the procedure
figure 1 before connecting, and - figure 6
- one according to the variant
figure 4 produced card after connecting.
Das erfindungsgemäße Verfahren wird nachfolgend am Beispiel einer Plastikkarte in einem Standardformat beschrieben, wie sie als Zahlungskarten, Kreditkarten oder als Ausweise gebräuchlich sind.
Insbesondere trägt die Karte 20 ein Muster 10, das mit dem erfindungsgemäßen Verfahren hergestellt wurde. Das Muster 10 bedeckt einen Teil der Oberfläche 21 und besitzt eine Aussparung 19, in der die Oberfläche 21 sichtbar ist. Weiter trägt die Karte 20 einen Schriftzug 23, der teilweise über das Muster 10 aufgebracht ist. Weiter trägt sie ein separates Sicherheitsmerkmal, etwa ein Hologramm 24.In particular, the
Basis der Karte 20 ist ein Träger 1 aus einem thermoplastischen Material, das in der Regel in Gestalt einer Kunststoffschicht oder eines Verbundes von mehreren Kunststoffschichten bereitgestellt wird. Bei dem Kunststoff kann es sich um PVC handeln, aber auch um andere gängige Kartenmateriealien. Entspricht die herzustellende Karte dem ISO-Standard für Kreditkarten, besitzt der Träger 1 typischerweise eine Stärke h1 von 250 bis 700 µm. Der Träger 1 bildet die Kernschicht der Karte 20. Seine praktische Stärke des Trägers 1 hängt vom gewählten Kartenformat, vom vorgesehenen Verwendungszweck, von besonderen Vorgaben für bestimmte Kartenschichten und/oder der gewünschten Anzahl und Stärke von Einzelschichten ab, die den Träger 1 bilden.The base of the
Über dem Träger 1 ist eine Designschicht 3 plaziert. Die Designschicht 3 ist opak oder semitransparent. Sie ist in der Regel vollflächig über die ganze Oberfläche 11 des Trägers 1 aufgebracht und besitzt eine Stärke h2 von 5 bis 25 µm. Typischerweise wird die Designschicht 3 im Siebdruck auf den Träger 1 aufgebracht. Verwendet wird zweckmäßig eine übliche Design-Tinte, die auf einer transparenten Lösung basiert, die mit Farbpartikeln versehen ist. Zusätzlich kann sie z.B. metallische Partikel enthalten, die einen besonderen optischen Effekt erzeugen, beispielsweise einen Glitzereffekt.A
In einer alternativen Ausführung kann die Designschicht 3 auch als separate Schicht in Gestalt einer Folie bereitgestellt werden.In an alternative embodiment, the
Die Designschicht 3 kann, wie in
Im Ausführungsbeispiel der
Alternativ zu einer Ausführung als Lackschicht kann die Strukturschicht 5 auch als eigenständige Folie ausgeführt sein, in der das Muster 10 in Form einer Struktur von Aussparungen eingebracht ist.As an alternative to an embodiment as a lacquer layer, the
Über der Strukturschicht 5 liegt eine Deckschicht 7. Ihre Oberseite ist glatt und bildet die Oberfläche 21 der Karte 20. Die Deckschicht 7 ist ebenfalls durchsichtig, d.h. transparent oder semitransparent. Sie wird zweckmäßig als Folie bereitgestellt und besitzt eine Stärke h4 von 50 bis 100 µm. Zweckmäßig liegt ihre Stärke zwischen 60 und 80 µm.A
Der Träger 1 besitzt eine im Vergleich zu den anderen Komponenten höhere Plastizität, d.h. seine Form läßt sich bei einer geringeren Temperatur dauerhaft ändern als die anderen Komponenten. Die Glasübergangstemperatur des Trägers 1 liegt niedriger als die der Deckschicht 7.The carrier 1 has a higher plasticity than the other components, i.e. its shape can be permanently changed at a lower temperature than the other components. The glass transition temperature of the carrier 1 is lower than that of the
Die Deckschicht 7 verhält sich im Vergleich zu dem Träger 1 und ebenso im Vergleich zu den anderen Komponenten hart und erfährt durch ein übliches Laminieren keine oder kaum Formveränderungen, d.h. sie läßt sich maximal um 15% komprimieren.The
Die Strukturschicht 5 besitzt eine größere oder eine ähnliche Wärmeformstabilität wie der Träger 1. Unter Druck und Wärme erfährt sie beim Laminieren in ihrem Randbereichen 15 eine Formveränderung, während sie im übrigen im wesentlichen ihre Form behält und höchsten um 10% komprimiert wird.The
Ebenso besitzt die Designschicht 3 eine größere Wärmeformbeständigkeit als der Träger 1. Die Designschicht 3 lässt sich unter üblichen Laminierbedingungen kaum komprimieren, d.h. ihre Stärke ändert sich um höchstens 15%. Die Designschicht 3 lässt sich aber durch Druckeinwirkung verformen, ohne dass sich ihre Stärke ändert. Die Verbindung der in
Der Träger 1 verhält sich beim Laminieren gegenüber der Designschicht 3 und der Lackschicht 5 weich. Auch gegenüber der Deckschicht 7 und der Strukturschicht 5 verhält sich der Träger 1 weich. D.h. während Deckschicht 7, Strukturschicht 5, Designschicht 3 und Lackschicht 5 beim Laminieren ihre Form ganz oder zumindest grundsätzlich erhalten, ändert der Träger 1 seine Form. Beim Laminieren wird die Lackschicht 5 in den Träger 1 gedrückt. Zusammen mit der Lackschicht 5 wird die Designschicht 3 in den Träger 1 gedrückt. Der Träger 1 wird dadurch überall dort, wo sich die Lackschicht 5 befindet, komprimiert und umgeformt.The carrier 1 behaves softly in relation to the
Die Lackschicht 5 bleibt beim Laminieren im Grundsatz unverändert, jedoch ändern die Randbereiche 15 ihre Form. Die Innenzonen 16 der Lackschicht 5 bleiben im wesentlichen unverändert. Insbesondere bleibt in den Innenzonen die Stärke der Lackschicht 5 im wesentlichen unverändert; allenfalls kann es durch das Laminieren zu einer geringen homogenen Kompression der Stärke von max. 10% kommen. In den Randbereichen 15 wird die Lackschicht 5 hingegen linsenartig umgeformt. Bei Betrachtung im Querschnitt laufen die untere Oberfläche 18 der Lackschicht 5, die dem Träger 1 zugewandt ist, und die obere Oberfläche 1, die der Deckschicht 7 zugewandt ist, nach der Umformung tangential aufeinander zu und bilden einen spitzen Winkel. Die untere Oberfläche 18 steigt dabei in den Randbereichen 15 auf die obere Oberfläche 17 zu.The
Die Designschicht 3 wird beim Laminieren dort, wo sich die Lackschicht 5 befindet, zwar verformt; ihre Stärke ändert sich dadurch aber nicht oder nur unwesentlich, d.h. weniger als 10%, und die Designschicht 3 bleibt zusammenhängend.The
Schichtdicke bis zum Verschwinden aus. Die Designschicht 3 liegt entsprechend in den Innenzonen 16 zwischen der Strukturschicht 5 und dem Träger 1. In den Randbereichen 15 steigt sie jeweils in einem sanften, stetigen Übergang gegen die Deckschicht 8 an, um an den Übergängen zu den Aussparungen 19 bzw. zu den angrenzenden Bereichen der Oberfläche 21 ohne Muster 10 tangential auf die Deckschicht 7 zu treffen. In den Aussparungen 19 bzw. in den Bereichen der Oberfläche 21 ohne Muster 10 liegt die Designschicht 3 unmittelbar an der Deckschicht 7 an.layer thickness until it disappears. The
Die in den Randbereichen 15 der Lackschicht 5 entstehenden sanften Übergänge zwischen Bereichen mit Lackschicht 5 und Bereichen ohne Lackschicht 5 führt zu einem in Aufsicht optisch wahrnehmbaren Effekt, weil Licht in den Randzonen 15 anders reflektiert wird als in den Innenzonen 16 und in den Zonen außerhalb des Musters 10, in denen nur die Designschicht 3 vorhanden ist. Die Wirkung des durch die Randbereiche 15 erzeugten Effektes ist, dass das durch die Lackschicht 5 dargestellte Muster 10 räumlich erscheint.The smooth transitions occurring in the
Beim Laminieren der in
Auf der abgewandten Seite 6 drückt der Träger 1 auf die Designschicht 3 und die weitere Deckschicht 8. Die Designschicht 3 wird durch den Träger 1 verformt, wobei sie jedoch wiederum ihre Stärke h2 im wesentlichen beibehält, d.h. sich um höchstens 10% ändert, und zusammenhängend bleibt. Die Designschicht 3 bildet dadurch ihrerseits die Kontur der Strukturschicht 5 nach und wird in die weitere Deckschicht 8 gedrückt.On the opposite side 6, the carrier 1 presses on the
Anders als im Ausführungsbeispiel der
Unter Beibehaltung des grundlegenden Gedankens, auf einem mehrschichtigen Sicherheitselement 20 ein Muster 10 mit einer räumlichen Wirkung auszubilden, indem mithilfe einer Strukturschicht 5 eine innere Schicht des Sicherheitselementes 20 verformt wird, welche eine Designschicht 3 trägt, wobei die Strukturschicht 5 selbst an ihren Randbereichen 15 linsenartig umgeformt wird, gestattet das beschriebene Verfahren eine Reihe von sinnvollen und naheliegenden Abwandlungen. So ist es etwa möglich, in den Schichtaufbauten weitere Schichten vorzusehen, die entweder mit verformt oder nicht verformt werden.While retaining the basic idea of forming a
- 11
- Trägercarrier
- 33
- Designschichtdesign layer
- 55
- Strukturschichtstructural layer
- 66
- abgewandte Seite Trägeropposite side carrier
- 77
- Deckschichttop layer
- 88th
- weitere Deckschichtanother top layer
- 1010
- Mustersample
- 1111
- Oberfläche Trägersurface carrier
- 1212
- Andere Oberfläche TrägerDifferent surface carrier
- 1313
- Grundschicht der Designschichtbase layer of the design layer
- 1414
- optische Schicht der Designschichtoptical layer of the design layer
- 1515
- Randbereich Strukturschichtedge area structural layer
- 1616
- Innenzone StrukturschichtInner zone structural layer
- 1717
- Oberfläche Strukturschichtsurface structure layer
- 1818
- andere Oberfläche Strukturschichtother surface structure layer
- 1919
- Aussparungrecess
- 2020
- KarteMap
- 2121
- Oberfläche Kartesurface map
- 2222
- andere Oberfläche Kartedifferent surface map
- 2323
- Schriftzuglettering
- 2424
- Sicherheitsmerkmalsecurity feature
- 2525
- Chipchip
Claims (12)
- A method for manufacturing a physical security element having a spatially appearing pattern (10), comprising the steps of:- providing a carrier (1),- providing at least one see-through transparent cover layer (7, 8),- applying a design layer (3) onto the carrier (1),- wherein either the carrier (1) has a lower dimensional stability under heat than the cover layer (7), or a cover layer (8) has a lower dimensional stability under heat than the carrier (1),- wherein the design layer (3) is deformable under pressure,- arranging a see-through transparent structural layer (5) between carrier (1) and cover layer (7) forming the pattern (10), wherein the structural layer (5) has a higher or a similar dimensional stability under heat than the carrier (1) or a cover layer (7, 8),- laminating the carrier (1) and the layers (3, 5, 7, 8) under pressure and heat,wherein
during lamination the structural layer (5) is pressed into the carrier (1) or via the carrier (1) into a cover layer (8), whereby the design layer (3) is deformed in accordance with the pattern (10) formed by the structural layer (5), and whereby the structural layer (5) in its edge regions (15) is reshaped in such a way that, in cross-section, the surfaces (17, 18) of the structural layer (5) converge tangentially, characterized in that the thickness of the design layer (3) is not changed at all or at most slightly, i.e. by max. 10%, by the deformation. - The method according to claim 1, characterized in that the carrier (1) has a lower dimensional stability under heat than design layer (3), cover layer (7) and structural layer (5), and the structural layer (5) is arranged between design layer (3) and cover layer (7), so that during lamination the design layer (3) is pressed into the carrier (1) by the structural layer (5), wherein the structural layer (5) in its edge regions (15) is reshaped lenticularly in such a way that the surface (17) of the structural layer which faces the cover layer (7) and the surface (18) of the structural layer which faces the design layer converge tangentially at the edges.
- The method according to claim 1, characterized in that the design layer (3) is applied to the side (6) of the carrier (1) facing away and a further cover layer (8) is arranged thereabove, wherein the further cover layer (8) has a lower dimensional stability under heat than design layer (3), cover layer (7), carrier (1) and structural layer (5), and the structural layer (5) is arranged between carrier (1) and cover layer (7), so that during lamination the design layer (3) and the carrier (1) are pressed into the further cover layer (8) by the structural layer (5), wherein the structural layer (5) is reshaped lenticularly in such a way that the surface (17) of the structural layer (5) which faces the cover layer (8) and the surface (18) of the structural layer which faces the design layer converge tangentially at the edge regions (15) thereof.
- The method according to claim 1, characterized in that the structural layer (5) is applied as a lacquer layer onto the design layer (3) and/or the cover layer (7).
- The method according to claim 4, characterized in that the lacquer layer (5) is hardened.
- The method according to claim 1, characterized in that the design layer (3) is a metallic ink and/or is applied onto the carrier (1) before the lamination.
- The method according to claim 1, characterized in that the surface (18) of the structural layer (5) which faces the design layer rises towards the surface (17) which faces the cover layer.
- The method according to claim 1, characterized in that the design layer (3) has a thickness of 5 to 25 µm and/or is applied in the form of at least two layers (13, 14) which differ in a material property.
- The method according to claim 1, characterized in that the structural layer (5) has a thickness of 25 to 125 µm.
- The method according to claim 1, characterized in that the cover layer (7, 8) has a thickness of 50 to 200 µm.
- A physical security element which carries a spatially appearing pattern (10), having a carrier (1) on which a design layer (3), a see-through transparent structural layer (5) and a see-through transparent cover layer (7) are configured, wherein the structural layer (5) covers only parts of the security element and the pattern (10) is formed wholly or partially by the structural layer (5),wherein the structural layer (5) is pressed into the carrier (1) and is reshaped lenticularly at its edge regions (15) so that the surfaces of the structural layer (5) converge tangentially in the edge regions (15), and through the structural layer (5) also the design layer (3) is pressed into the carrier (1), the design layer (3) being deformed in accordance with the pattern (10) in the structural layer (5),characterized in that the thickness of the design layer (3) in the deformed regions is the same or, apart from deviations of max. 10%, almost the same as in the rest of the regions.
- The security element according to claim 11, characterized in that it is configured in the form of a card in a standardized format.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017006040.1A DE102017006040A1 (en) | 2017-06-27 | 2017-06-27 | Security element with spatially-effective print image |
PCT/EP2018/000314 WO2019001763A1 (en) | 2017-06-27 | 2018-06-22 | SECURITY ELEMENT WITH SPATIAL PRINT IMAGE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3645302A1 EP3645302A1 (en) | 2020-05-06 |
EP3645302B1 true EP3645302B1 (en) | 2022-08-10 |
Family
ID=62778870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18734748.9A Active EP3645302B1 (en) | 2017-06-27 | 2018-06-22 | Security element comprising a printed image with a three-dimensional effect |
Country Status (5)
Country | Link |
---|---|
US (1) | US11267277B2 (en) |
EP (1) | EP3645302B1 (en) |
CN (1) | CN110678336B (en) |
DE (1) | DE102017006040A1 (en) |
WO (1) | WO2019001763A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019121831B4 (en) * | 2019-08-13 | 2021-03-04 | Bundesdruckerei Gmbh | Value or security document and process for its production |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU65989A1 (en) * | 1972-08-31 | 1973-01-15 | ||
JPS60193637A (en) * | 1984-03-15 | 1985-10-02 | Taihei Kagaku Seihin Kk | Manufacture of plastic card material having ground pattern with solid feeling |
US5246757A (en) * | 1992-04-28 | 1993-09-21 | Minnesota Mining And Manufacturing Company | Architectural signs with raised graphics |
JPH081895A (en) * | 1994-06-21 | 1996-01-09 | Dainippon Printing Co Ltd | Decorative sheet and method for producing the same |
DE10007916A1 (en) * | 2000-02-21 | 2001-08-23 | Giesecke & Devrient Gmbh | Multilayer laminated card with interposed security element having relief structures |
DE20219788U1 (en) * | 2002-04-19 | 2003-04-24 | Kurz Leonhard Fa | Valuable document used as a bank note, credit card, ID card or ticket comprises a decorative element supported on its surface and having a magnetic layer made from a dispersion of magnetizable particles in a binder and structural layer |
WO2004065135A1 (en) * | 2003-01-17 | 2004-08-05 | Placard Pty Ltd | Image forming process and card |
EP1694515A1 (en) * | 2003-12-16 | 2006-08-30 | Note Printing Australia Limited | Security article with multicoloured image |
DE102004042136B4 (en) * | 2004-08-30 | 2006-11-09 | Ovd Kinegram Ag | Metallized security element |
DE102005039320A1 (en) * | 2005-08-19 | 2007-02-22 | Giesecke & Devrient Gmbh | Card-shaped data carrier |
US7455235B2 (en) | 2006-05-23 | 2008-11-25 | Axalto S.A. | Method for manufacturing a printed smart card with a visual relief effect |
DE102008049631A1 (en) * | 2008-09-30 | 2010-04-01 | Giesecke & Devrient Gmbh | Card with embedded security feature |
US10479130B2 (en) * | 2009-07-24 | 2019-11-19 | Composecure, L.L.C. | Card with embedded image |
US9616646B2 (en) * | 2010-07-15 | 2017-04-11 | Sun Chemical Corporation | Method for producing 3-D printed images |
DE102013021964A1 (en) | 2013-12-20 | 2015-06-25 | Giesecke & Devrient Gmbh | Security document and method for producing a security document |
DE102014001842A1 (en) * | 2014-02-11 | 2015-08-13 | Giesecke & Devrient Gmbh | Method for producing a security element with negative writing and security element available therefrom |
-
2017
- 2017-06-27 DE DE102017006040.1A patent/DE102017006040A1/en not_active Ceased
-
2018
- 2018-06-22 CN CN201880033381.XA patent/CN110678336B/en active Active
- 2018-06-22 US US16/625,896 patent/US11267277B2/en active Active
- 2018-06-22 WO PCT/EP2018/000314 patent/WO2019001763A1/en unknown
- 2018-06-22 EP EP18734748.9A patent/EP3645302B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20200147992A1 (en) | 2020-05-14 |
CN110678336A (en) | 2020-01-10 |
CN110678336B (en) | 2021-03-23 |
DE102017006040A1 (en) | 2018-12-27 |
EP3645302A1 (en) | 2020-05-06 |
WO2019001763A1 (en) | 2019-01-03 |
US11267277B2 (en) | 2022-03-08 |
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