[go: up one dir, main page]

WO2024046529A1 - Support de données sous forme de carte comprenant des pigments activables par laser et son procédé de production - Google Patents

Support de données sous forme de carte comprenant des pigments activables par laser et son procédé de production Download PDF

Info

Publication number
WO2024046529A1
WO2024046529A1 PCT/DE2023/100618 DE2023100618W WO2024046529A1 WO 2024046529 A1 WO2024046529 A1 WO 2024046529A1 DE 2023100618 W DE2023100618 W DE 2023100618W WO 2024046529 A1 WO2024046529 A1 WO 2024046529A1
Authority
WO
WIPO (PCT)
Prior art keywords
laser
film
card
data carrier
pigments
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.)
Ceased
Application number
PCT/DE2023/100618
Other languages
German (de)
English (en)
Inventor
Cristina Fabian
Josef Riedl
Klaus Kohl
Peter Tarantino
Thomas Tarantino
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 ePayments GmbH
Original Assignee
Giesecke and Devrient ePayments 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 ePayments GmbH filed Critical Giesecke and Devrient ePayments GmbH
Priority to EP23764564.3A priority Critical patent/EP4580889A1/fr
Publication of WO2024046529A1 publication Critical patent/WO2024046529A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • B42D25/30—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
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/41—Marking using electromagnetic radiation

Definitions

  • the invention relates to a card-shaped data carrier with laser-activated pigments and a manufacturing process for such a card-shaped data carrier.
  • card-shaped data carriers for example smart cards, chip cards, in particular with RFID technology (Radio Frequency Identification), integrated circuit cards, dual interface cards or identification cards, are known from the prior art.
  • RFID technology Radio Frequency Identification
  • integrated circuit cards dual interface cards or identification cards
  • Card-shaped data carriers such as valuable documents, for example passport and identification documents, ID cards and the like are increasingly being used in public areas, but also in internal company areas.
  • the card-shaped data carrier typically has a card body with a module opening to accommodate a chip module or other electronic components for contact-based and/or contactless data communication. It is often provided that the card body is formed from several films, with the individual films being connected to a film layer composite by means of emulsion due to pressure and heat. Design films or transparent cover films, so-called overlay films, with security features are preferably provided on the surface of the card body. Optical security features on the card-shaped data carriers are known and are generally intended to increase security against forgery. Furthermore, it is known to personalize data carriers using an easer, whereby the personalization can also serve as a security feature. However, personalization in black is usually only possible. This limits the design options and the variability of security features.
  • the object of the present invention is to provide a card-shaped data carrier, wherein personalization can be simplified and at the same time the security of the card-shaped data carrier can be improved.
  • the invention can preferably be used for smart cards, in particular for credit cards and debit cards. However, it can also preferably be used for security documents, such as identification documents.
  • a card-shaped data carrier which has at least one film with a first surface and an opposite second surface, the film being produced by means of an extrusion process, laser-activatable pigments being at least partially integrated into the film, the pigments being such are designed so that they can be activated by at least one laser, whereby an irreversible color change of the film can be generated.
  • laser-activated pigments are provided, which can be activated using a laser to produce an irreversible color change.
  • pigments can be provided which can cause chromism, i.e. a color change or a color change.
  • the color change of the individual pigments can Overall, a color change of the film can be produced, which has the individual pigments.
  • Thermochromatic pigments or photochromatic pigments can preferably be used here.
  • Thermochromatic pigments can produce a color change or color change when heated, i.e. when the temperature increases. In other words, the color change is induced by heat, in particular by the conversion of laser energy into thermal energy.
  • Photochromatic pigments can induce a color change through light irradiation, in particular through light irradiation using laser light and its absorption.
  • any pigments can be provided that can be activated using a laser to bring about a color change or chromism.
  • a distinction can be made between reversible or irreversible chromism.
  • the color change is retained in the case of irreversible chromism and therefore persists permanently.
  • the film can have an initial color in a first state, in particular in a non-heated state, due to the laser-activated pigments, and can have a different final color in a second state, in particular in a heated state, due to the color change.
  • the change in status from the initial color to the final color is described as part of the registration with the color change or color change. As already mentioned, this change of state is intended to be irreversible.
  • the invention has the advantage that the laser-activated pigments can be used to enable color personalization of security document films, such as identification documents or smart cards.
  • security document films such as identification documents or smart cards.
  • This security feature can be easily verified visually and can also be easily integrated into the security document or smart card.
  • It can preferably be provided that exactly one laser is provided for activating the laser-activatable pigments.
  • the use of several lasers, for example four lasers for the colors red, green, blue and black, can therefore be dispensed with.
  • the costs for laser personalization of the card-shaped data carrier can be reduced and the manufacturing process of the card-shaped data carrier can be simplified.
  • the laser is designed to be adjustable.
  • a laser power of the laser can be variably adjusted.
  • the laser energy can be precisely adjusted to activate the pigments for the color change.
  • the frequency clocking of the laser and thus the laser power can be increased and consequently a different color change can be achieved.
  • the laser power is adjusted in sections along the film in order to achieve colorful colors or color patterns.
  • the laser power in a first area of the film can be adapted for a color change to a blue final color and in a second area of the film can be adapted for a color change to a red final color.
  • the laser power and thus also the laser energy can be variably adapted to the desired laser personalization of the card-shaped data carrier.
  • complex colors and thus also complex patterns or shapes, such as a passport photo of the user of the card-shaped data carrier can advantageously be implemented as a security feature.
  • the laser is designed as an Nd:YAG laser or CO2 laser or UV laser.
  • the use of an Nd:YAG laser not only enables the described adjustability of the laser, but also very precise focusing of the laser energy or the laser beam. This means that even very complex patterns or shapes can be used for laser personalization. As a result, both the design options and the anti-counterfeit protection of the card-shaped data carrier can be increased.
  • other adjustable lasers such as the CO2 laser or fiber laser or similar, are also conceivable.
  • the laser-activatable pigments are designed as metal pigments or metal oxide pigments.
  • metal pigments or metal oxide pigments For example, molybdenum oxide compounds or titanium oxide compounds can be used.
  • Metal salt compounds, such as iron, cobalt, nickel or molybdenum salts, can also be used as laser-activated pigments.
  • any materials are conceivable for the pigments, which can be activated by a laser to produce a color change.
  • the pigments are preferably integrated into the film using an extrusion process. This has the particular advantage that the pigments are distributed and protected within the film and no separate printing ink has to be applied to the film.
  • the film is essentially transparent.
  • complete transparency is not provided here due to the presence of laser-activated pigments within the film.
  • the film has an essentially transparent initial color or, in other words, is initially colorless. Due to the initial colorlessness, a maximum color impression for the final color can be achieved after activation of the laser-activated pigments. For example, a color change from a substantially transparent initial color to a red final color can be achieved.
  • the film is white or, in other words, has a white initial color.
  • the film is colored or, in other words, has a colored starting color, such as red, green or blue.
  • a colored starting color of the film has the advantage that the starting color, together with the color change of the laser-activated pigments, can lead to a mixed final color and an overall color impression that is changed in the desired way. Overall, by selecting the The initial color of the film enables the color impression of the card-shaped data carrier to be optimized. Any combination of starting colors and final colors is conceivable.
  • the color change of the film is visible in the optical range. This has the advantage that a security feature can be generated, which can be verified particularly easily, for example by a user of the card-shaped data carrier.
  • the laser-activatable pigments can be activated at a temperature greater than an extrusion temperature of the film, preferably 300 ° C.
  • this has the advantage that the color change of the film does not take place in an uncontrolled manner during extrusion, but can instead take place in a controlled manner on the formed film after extrusion.
  • an optimal temperature range can be selected in which the laser-activatable pigments can be activated without adversely affecting the film or films of the card-shaped data carrier.
  • the color change of the film can be controlled by means of the laser in order to generate a multicolored image on the first surface of the film.
  • a single-color color change can be provided for a single-color personalization or a multi-color color change for a multi-color personalization.
  • the laser power can be controlled in sections along the film in order to achieve colorful colors or color patterns of the film.
  • the card-shaped data carrier has at least one transparent overlay film, which is arranged on the first surface of the film in such a way that the color change of the film is visible.
  • the color change of the film can preferably represent a security feature of the card-shaped data carrier.
  • the overlay film can be used to increase the longevity of the product Security feature guaranteed. At the same time, the security feature can be easily recognized and verified thanks to the transparency of the overlay film.
  • the laser-activated pigments have a pigment size of at least 1 gm and at most 60 gm.
  • the laser-activatable pigments are homogeneously distributed in the film or are distributed along at least one edge of the film.
  • a homogeneous distribution By means of a homogeneous distribution, a uniform color change can advantageously be achieved.
  • edge personalization of the film or the card-shaped data carrier can be achieved.
  • the color change is generated along at least one edge of the film.
  • the color change can be created along all edges of the film.
  • a specific color impression can therefore be achieved along the edges of the film.
  • multicolored edges or multicolored logos can be created along the edges of the film.
  • Personalizing the edges of the card-shaped data carrier can, in particular, further increase security against forgery. This advantageously means that the use of colored core films can be dispensed with. This particularly improves warehousing and logistics.
  • the card-shaped data carrier has at least one light-diffractive or light-refractive structure, in particular at least one laser beam of the laser for activating the laser-activatable pigments can be guided through the light-diffractive or light-refractive structure.
  • the light-diffracting or light-refractive structure can be referred to as a lens structure within the scope of the application.
  • the lens structure is on a surface of the card-shaped data carrier, in particular on an external film of the card-shaped Data carrier is arranged.
  • the lens structure can be arranged on a first surface and on an opposite second surface of the card-shaped data carrier.
  • the lens structure can include a surface relief in the form of a lens grid.
  • Individual lenses can be designed, for example, as depressions and/or elevations on the surface of the card-shaped data carrier.
  • a lens grid with a number or plurality of individual lenses such as spherical lenses, rod lenses and/or cylindrical lenses, various optically variable effects can be achieved in cooperation with the color change of the laser-activated pigments.
  • An optical security feature can thus be created, which further increases the protection against forgery of the card-shaped data carrier.
  • At least one laser beam of the laser can be guided through the light-diffracting or light-refractive structure for activating the laser-activatable pigments.
  • the laser beam can be guided or directed through the lens structure onto the laser-activated pigments. Due to the lens structure, the laser beam can experience a specific deflection or directional variation, whereby further optical effects can be achieved in cooperation with the laser-activated pigments.
  • the light-diffracting or light-refractive structure or the lens structure is arranged or . is introduced.
  • the film can be produced with the integrated laser-activated pigments.
  • the lens structure to be formed on the card-shaped data carrier can be introduced into the laminating sheet as a laminating structure using a negative image. If the lens structure is to be introduced, for example, on the first surface and the opposite second surface of the card-shaped data carrier, two laminating sheets each with one appropriate laminating structure can be used.
  • the card-shaped data carrier is arranged, for example, between the laminating sheets. Using the laminating sheets, pressure can be exerted on the card-shaped data carrier, and a temperature increase is usually also carried out during lamination.
  • the corresponding lens structure can be laminated onto the respective surface of the card-shaped data carrier using the respective laminating structure. This simplifies the production of the card-shaped data carrier, since the lens structure can be produced during lamination and not in a separate production step.
  • one or more stamps can be provided for introducing the lens structure onto the card-shaped data carrier.
  • a laminating sheet, an embossing stamp, an intaglio printing plate and/or an ultrasound process can be used to introduce the lens structure.
  • a method for producing a card-shaped data carrier is provided, in particular according to one of the preceding embodiments, the method having the following steps:
  • the laser-activatable pigments Extruding the melt through a nozzle exit gap of the extrusion device to form a film with a first surface and an opposite second surface, the laser-activatable pigments being at least partially integrated into the film; Activating the laser-activatable pigments using at least one laser to produce an irreversible color change in the film.
  • the order of the steps of the method according to the invention is not necessarily limited to the order described or fixed in time.
  • the film material and the pigments can be provided one after the other or simultaneously.
  • lamination with additional films can take place before the laser-activatable pigments are activated.
  • the film material can be provided as granules for the extruder, in particular as plastic granules.
  • the mixture of the film material and the laser-activated pigments can be heated or melted to form a melt.
  • the melt has the melted film material and the laser-activatable pigments.
  • the melt can then be extruded or pressed out through the nozzle exit gap.
  • the nozzle outlet gap represents a shaping opening.
  • the film can form a kind of solid matrix around the laser-activated pigments, so that they are permanently integrated within the film.
  • the extruded melt can be conveyed, for example, on a roller arrangement comprising at least one cooling roller adjacent to the nozzle outlet gap.
  • the laser-activated pigments can be activated by means of the laser. The activation causes the irreversible color change of the individual pigments and thus also of the film.
  • the film is laminated with at least one transparent overlay film and/or further films before the laser-activatable pigments are activated.
  • the overlay film can be arranged on the first surface of the film.
  • several further films can be provided for the card-shaped data carrier, and these can be arranged in particular on the second surface of the film.
  • the further films can, for example, be designed as core films and preferably be opaque.
  • the card-shaped data carrier is laminated with all existing films as a film layer structure and then the laser-activated pigments are activated using the laser.
  • the color personalization according to the invention preferably takes place after lamination of the foils of the card-shaped data carrier.
  • the film with the laser-activated pigments can first be produced using the extrusion process described. Lamination can then preferably be carried out with additional films as a film layer structure. Color personalization can then be carried out by activating the laser-activated pigments.
  • At least one light-diffractive or light-refractive structure is arranged on the card-shaped data carrier, in particular at least one laser beam of the laser for activating the laser-activatable pigments is guided through the light-diffractive or light-refractive structure.
  • the laser-activatable pigments are activated by means of the laser after the light-diffraction or light-refraction structure has been arranged on the card-shaped data carrier.
  • the laser beam of the laser can be used for the Activation of the pigments are directed through the lens structure to the pigments.
  • further optical effects can be created in this way.
  • Fig. 1 a card-shaped data carrier according to an exemplary embodiment according to the invention
  • Fig. 2 a card-shaped data carrier according to a further exemplary embodiment according to the invention.
  • Fig. 3 a card-shaped data carrier according to a third exemplary embodiment according to the invention.
  • Fig. 4 a card-shaped data carrier according to a fourth exemplary embodiment according to the invention.
  • Figure 1 shows a card-shaped data carrier 10 according to a first exemplary embodiment according to the invention.
  • the card-shaped data carrier 10 can be designed as an identification document or as a smart card.
  • the card-shaped data carrier 10 has a film 11 with a first surface 11a and an opposite (not visible) second surface.
  • a chip module and/or further electronic components for contact-based and/or contactless data transmission can be provided on the film 11 in a module opening (not shown).
  • the electronic components of the card-shaped data carrier 10, such as the chip module are not shown.
  • the film 11 is, for example, essentially transparent.
  • laser-activated pigments 12 are integrated into the film 11, which are shown illustratively by means of the dots in the film 11. Due to the laser-activated pigments 12 present in the film 11, the film 11 is not intended to be completely transparent.
  • the laser-activated pigments 12 are, for example, homogeneously distributed in the film 11. Furthermore, the pigments 12 are designed in such a way that they can be activated by means of a laser 20, whereby an irreversible color change 30 of the film 11 can be generated.
  • a laser 20 is provided for activating the laser-activatable pigments 12.
  • the laser 20 is designed to be particularly adjustable. Preferably, a laser power of the laser 20 can be set variably.
  • the laser 20 is designed as an Nd:YAG laser.
  • the laser-activatable pigments 12 can have a pigment size of at least 1 gm and at most 60 gm and/or be designed as metal pigments.
  • a laser beam L can impinge on the respective pigments 12 using the laser 20.
  • the laser beam L is shown illustratively by the arrow.
  • the laser energy can be converted into thermal energy, for example. By converting them into heat energy, the temperature of the pigments 12 can be increased. Due to the increase in temperature, the pigments 12 can cause a color change 30.
  • the color change 30 is shown illustratively as a black circle 30. However, this can be a color change 30 to a red, green or blue final color.
  • an area of the film 11 becomes one Color change of the laser-activated pigments 12 in this area and thus a color change of the film 11 achieved in this area.
  • only a single color change 30 is shown here illustratively. However, several color changes to different final colors can be provided at different points on the film 11.
  • the laser-activatable pigments 12 can be activated photochromatically, as already described.
  • the color change 30 can be generated in sections in the film 11, with the laser beam L of the laser 20 only being focused on a partial area of the film 11.
  • the circle shown illustratively shows the portion of the film 11 for the color change 30.
  • the color change 30 can be generated in the entire film 11, with the laser beam L of the laser 20 being moved along the film 11 or being focused on the entire film 11.
  • the edges of the film 11 can therefore preferably also be personalized.
  • the laser power is adjusted in sections along the film 11 in order to achieve colorful colors or color patterns.
  • the laser power in a first area of the film 11 can be adapted for a color change 30 to a blue final color and in a second, different area of the film 11 can be adapted for a color change to a red final color.
  • the laser power and thus also the laser energy can thus be variably adapted to the desired laser personalization of the card-shaped data carrier 10.
  • the color change 30 of the film 11 is preferably visible in the optical range, which enables simple verification by a user of the card-shaped data carrier 10.
  • color personalization of the card-shaped data carrier 10 can be made possible by means of the laser-activated pigments 12, which are integrated in the film 11.
  • the protection against forgery of the card-shaped data carrier 10 can thus be increased.
  • the film 11 is produced in particular by means of an extrusion process.
  • the film material can be provided as granules for an extruder of an extrusion device, not shown, in particular as plastic granules.
  • the laser-activated pigments 12 can be provided for the extruder.
  • the pigments 12 and the film material can be introduced into the extruder as a mixture; in the extruder, the mixture of the film material and the laser-activatable pigments 12 can be heated or melted to form a melt.
  • the melt can then be extruded or pressed out through a nozzle outlet gap of the extrusion device.
  • the film 11 can be formed, in particular the laser-activated pigments 12 being integrated into the film 11 or within the film
  • the laser-activated pigments can be any suitable material. Seen in time after the formation of the film 11, in particular after the final solidification of the film 11, the laser-activated pigments can be any suitable material. Seen in time after the formation of the film 11, in particular after the final solidification of the film 11, the laser-activated pigments can be any suitable material. Seen in time after the formation of the film 11, in particular after the final solidification of the film 11, the laser-activated pigments can be used.
  • the 12 can be activated by means of the laser 20, as described.
  • the activation causes the irreversible color change 30 of the individual pigments 12 and thus also of the film 11 to be generated.
  • FIG. 2 shows a card-shaped data carrier 10 according to a further exemplary embodiment according to the invention.
  • the card-shaped data carrier 10 has, for example, three foils 11 designed analogously to FIG. 1, each with laser-activated pigments 12.
  • the card-shaped data carrier 10 has further foils in addition to the three foils 11 with the laser-activated pigments 12.
  • a film layer structure in particular made of films arranged or stacked one above the other, is provided for the card-shaped data carrier 10.
  • two transparent overlay films 13 arranged on the outside are provided.
  • the films 11 with the laser-activated pigments 12 are arranged between the external overlay films 13.
  • the laser-activated pigments 12 in the films 11 can be additionally protected.
  • the number and material of the films in the film layer structure can be adjusted as desired. Essentially, the number or arrangement of transparent or opaque core films and/or transparent overlay films 13 can generally be varied.
  • FIG. 3 A further embodiment for a different arrangement of the films in the film layer structure for the card-shaped data carrier 10 is shown in Figure 3.
  • the card-shaped data carrier 10 has, for example, five films 11 designed analogously to FIG. 1, each with laser-activated pigments 12.
  • Three color changes 30 are shown as examples, these being generated along the edges 11c of the respective films 11.
  • the color change 30 can preferably be generated along all edges 11c of the films 11.
  • a specific color impression can therefore be achieved along the edges 11c of the film 11.
  • Personalizing the edges of the card-shaped data carrier 10 can in particular further increase security against forgery. This advantageously means that the use of colored core films can be dispensed with.
  • Figure 4 shows a further embodiment for a card-shaped data carrier 10.
  • the card-shaped data carrier 10 has, for example, a film layer structure.
  • a film 11 according to the invention is arranged centrally in the film layer structure.
  • the film 11 has a first surface 11a and an opposite second surface 11b.
  • Laser-activatable pigments 12, not shown, are integrated into the film 11.
  • the film 11 is designed analogously to Figure 1.
  • the laser-activatable pigments 12 are designed in such a way that they can be activated using a laser, whereby an irreversible color change 30 of the film 11 can be generated.
  • the laser-activatable pigments 12 can be activated in accordance with the description of FIG. 1.
  • the film 11 is arranged between two transparent core films 14.
  • a transparent overlay film 13 is arranged on each of the transparent core film 14.
  • the transparent overlay films 13 each have a lens structure 40 on an external surface.
  • the lens structure 40 generally represents a light-diffractive or light-refractive structure. It can be provided that the lens structure 40 extends only partially or completely along the surface of the overlay film 13. In particular, it is provided that the lens structure 40 is arranged overlapping or partially covering the laser-activated pigments 12 of the film 11. In this way, a laser beam L of the laser 20 can advantageously be directed through the lens structure 40 onto the laser-activatable pigments 12 for the activation of the laser-activatable pigments 12.
  • the lens structure 40 can be a surface relief in the form of a lenticular grid.
  • a lenticular grid with individual lenses such as spherical lenses, rod lenses and/or cylindrical lenses can be used.

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

L'invention concerne un support de données sous forme de carte (10) qui comprend au moins un film (11) ayant une première surface (11a) et une seconde surface opposée (11b), le film (11) ayant été produit au moyen d'un procédé d'extrusion, des pigments activables par laser (12) ayant été incorporés dans au moins des parties du film (11), les pigments (12) étant conçus de telle sorte qu'ils peuvent être activés au moyen d'au moins un laser (20), ce qui permet d'obtenir un changement de couleur irréversible (30) du film (11). L'invention concerne également un procédé de production d'un support de données sous forme de carte.
PCT/DE2023/100618 2022-08-29 2023-08-25 Support de données sous forme de carte comprenant des pigments activables par laser et son procédé de production Ceased WO2024046529A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23764564.3A EP4580889A1 (fr) 2022-08-29 2023-08-25 Support de données sous forme de carte comprenant des pigments activables par laser et son procédé de production

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022003135.3A DE102022003135A1 (de) 2022-08-29 2022-08-29 Kartenförmiger Datenträger mit laseraktivierbaren Pigmenten und Herstellungsverfahren
DE102022003135.3 2022-08-29

Publications (1)

Publication Number Publication Date
WO2024046529A1 true WO2024046529A1 (fr) 2024-03-07

Family

ID=87929204

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2023/100618 Ceased WO2024046529A1 (fr) 2022-08-29 2023-08-25 Support de données sous forme de carte comprenant des pigments activables par laser et son procédé de production

Country Status (3)

Country Link
EP (1) EP4580889A1 (fr)
DE (1) DE102022003135A1 (fr)
WO (1) WO2024046529A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008028158A2 (fr) * 2006-09-01 2008-03-06 Digimarc Corporation Marquage laser de couches de pigments sur des documents
DE102008034021A1 (de) * 2008-07-16 2010-01-21 Merck Patent Gmbh Verfahren zur Herstellung eines Sicherheits- und/oder Wertprodukts mit Zufallsmuster und korrelierter Identzeichenfolge
WO2010089035A1 (fr) * 2009-02-04 2010-08-12 Bayer Materialscience Ag Structure stratifiée et feuilles pour documents d'identité offrant des possibilités de gravure au laser améliorées
CH701875A2 (de) * 2011-01-18 2011-03-31 Trueb Ag Verfahren zur Herstellung eines mehrschichtigen Datenträgers sowie nach diesem Verfahren hergestellter Datenträger.
EP3037274A1 (fr) * 2014-12-22 2016-06-29 Agfa-Gevaert Articles et documents de sécurité pouvant être marqués au laser

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE353092T1 (de) * 2002-12-04 2007-02-15 Dsm Ip Assets Bv Laserlicht absorbierendes additiv
DE102004027306A1 (de) * 2004-06-04 2005-12-22 Giesecke & Devrient Gmbh Wertdokument
DE102004022080A1 (de) * 2004-05-05 2005-11-24 Giesecke & Devrient Gmbh Wertdokument mit visuell erkennbaren Kennzeichnungen
WO2012162057A2 (fr) * 2011-05-20 2012-11-29 3M Innovative Properties Company Articles de sécurité personnalisables par laser
US20140265301A1 (en) * 2013-03-15 2014-09-18 3M Innovative Properties Company Security feature utlizing hinge material and biodata page
TWI699293B (zh) * 2015-10-02 2020-07-21 日商凸版印刷股份有限公司 僞造防止構造體
US10583678B1 (en) * 2018-12-06 2020-03-10 Palo Alto Research Center Incorporated Single step processing of color thermochromic materials
KR20230092915A (ko) * 2020-10-26 2023-06-26 코베스트로 도이칠란트 아게 가시적 보안 요소로서의 각인을 갖는 층 구조물

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008028158A2 (fr) * 2006-09-01 2008-03-06 Digimarc Corporation Marquage laser de couches de pigments sur des documents
DE102008034021A1 (de) * 2008-07-16 2010-01-21 Merck Patent Gmbh Verfahren zur Herstellung eines Sicherheits- und/oder Wertprodukts mit Zufallsmuster und korrelierter Identzeichenfolge
WO2010089035A1 (fr) * 2009-02-04 2010-08-12 Bayer Materialscience Ag Structure stratifiée et feuilles pour documents d'identité offrant des possibilités de gravure au laser améliorées
CH701875A2 (de) * 2011-01-18 2011-03-31 Trueb Ag Verfahren zur Herstellung eines mehrschichtigen Datenträgers sowie nach diesem Verfahren hergestellter Datenträger.
EP3037274A1 (fr) * 2014-12-22 2016-06-29 Agfa-Gevaert Articles et documents de sécurité pouvant être marqués au laser

Also Published As

Publication number Publication date
EP4580889A1 (fr) 2025-07-09
DE102022003135A1 (de) 2024-04-25

Similar Documents

Publication Publication Date Title
EP2459389B1 (fr) Document d'identification à identification visuelle personnalisée et son procédé de production
EP3183124B1 (fr) Film de transfert et procédé pour produire un film de transfert
EP3802144B1 (fr) Procédé de fabrication d'un élément stratifié et d'un film stratifié ainsi qu'élément stratifié et film stratifié
EP2391512B1 (fr) Élément de sécurité optiquement variable
EP3013598A1 (fr) Procédé de fabrication d'un corps multicouche et corps multicouche
EP3823840B1 (fr) Élément de sécurité muni d'une image lenticulaire
EP2828095B1 (fr) Procédé de fabrication d'un corps composite de sécurité, et corps composite de sécurité comportant une structure intérieure provoquant un effet de réfraction
EP3578379B1 (fr) Élément de sécurité à représentation colorée
DE102008028705B4 (de) Verfahren zum Herstellen eines Wert- und/oder Sicherheitsdokuments sowie Wert- und/oder Sicherheitsdokument mit einer demetallisierten Struktur
AT521633A1 (de) Prägewerkzeug und Verfahren zur Minimierung der Blasenbildung in Prägestrukturen
EP3823839B1 (fr) Élément de sécurité doté d'une image lenticulaire
EP1691988A1 (fr) Carte d'identification et son procede de production
EP2035230A1 (fr) Procédé pour fabriquer un composite stratifié laminé, composite stratifié laminé et utilisation dudit composite
EP2886357B1 (fr) Document de sécurité et procédé de fabrication d'un document de sécurité
DE102022002843A1 (de) Kartenförmiger Datenträger mit thermochromatischer Druckfarbe und Herstellungsverfahren
EP4580889A1 (fr) Support de données sous forme de carte comprenant des pigments activables par laser et son procédé de production
DE102011011051B3 (de) Verfahren zur Herstellung eines Laminats sowie Kartenkörper aus diesem
DE102012204343A1 (de) Verfahren zur Herstellung eines Sicherheitsverbundkörpers und Sicherheitsverbundkörper mit zwei optisch brechenden Strukturen
EP3653396A1 (fr) Feuille composite destinée au revêtement d'une plaque d'immatriculation ainsi que plaque d'immatriculation, son procédé et son dispositif de fabrication
EP3594012B1 (fr) Document de valeur pourvu de caractéristique de sécurité optique
EP3060409B1 (fr) Produit imprimé pourvu d'au moins un signe imprimé, procédé de fabrication et film de transfert
DE102022000012A1 (de) Verfahren zum Herstellen eines Sicherheitsmerkmals, Sicherheitsmerkmal für einen kartenförmigen Datenträger und kartenförmiger Datenträger
DE102022002471A1 (de) Verfahren zur Herstellung eines Sicherheitsmerkmals, Sicherheitsmerkmal für einen Datenträger, Datenträger und Laminierblech
EP4384401A1 (fr) Procédé de production d'un élément de sécurité, élément de sécurité pour un support de données, support de données et feuille de stratification
EP4368409A1 (fr) Élément de sécurité, document de sécurité et procédé de fabrication d'un document de sécurité

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23764564

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2023764564

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2023764564

Country of ref document: EP

Effective date: 20250331

WWP Wipo information: published in national office

Ref document number: 2023764564

Country of ref document: EP