WO2004050951A2 - Feuille de securite et son procede de production - Google Patents

Feuille de securite et son procede de production

Info

Publication number
WO2004050951A2
WO2004050951A2 PCT/EP2003/013584 EP0313584W WO2004050951A2 WO 2004050951 A2 WO2004050951 A2 WO 2004050951A2 EP 0313584 W EP0313584 W EP 0313584W WO 2004050951 A2 WO2004050951 A2 WO 2004050951A2
Authority
WO
WIPO (PCT)
Prior art keywords
metal layer
thin
film
security
layer
Prior art date
Application number
PCT/EP2003/013584
Other languages
German (de)
English (en)
Other versions
WO2004050951A3 (fr
Inventor
Walter Schneider
Original Assignee
Giesecke & Devrient Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32336000&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2004050951(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Giesecke & Devrient Gmbh filed Critical Giesecke & Devrient Gmbh
Priority to DE50309282T priority Critical patent/DE50309282D1/de
Priority to AU2003296603A priority patent/AU2003296603A1/en
Priority to EP03812166A priority patent/EP1583871B1/fr
Publication of WO2004050951A2 publication Critical patent/WO2004050951A2/fr
Publication of WO2004050951A3 publication Critical patent/WO2004050951A3/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/42—Ribbons or strips
    • 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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/43—Marking by removal of material
    • B42D25/44—Marking by removal of material using mechanical means, e.g. engraving
    • B42D2033/10—
    • B42D2033/46—
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
    • D21H21/48—Elements suited for physical verification, e.g. by irradiation

Definitions

  • the invention relates to a security film for storage or application in or on security papers, documents of value, data carriers or the like, with a carrier film with a preferably structured metal coating.
  • the invention also relates to a method for producing security films of this type, and to security paper, a value document and a data carrier with such a security film.
  • cutouts in the form of characters or patterns is described, for example, in EP 0330 733 AI.
  • a manufacturing process in which a thermoplastic ink is printed on the metal-coated side of a film in the form of the recesses to be formed, which softens when heated and connects intimately to the metal layer. If a film pretreated in this way is laminated under heat and pressure against a second untreated film and the two films are separated after cooling, the areas of the metallic coatings corresponding to the characters or patterns are also removed from the first film with the printing ink.
  • the metal layers can be used, for example, as transmit / receive antennas for radio frequency identification circuits.
  • tion technology RFID Radio Frequency Identification
  • Radio frequency identification systems essentially consist of a read / write unit and a transponder.
  • the read / write unit can actively read out information from the transponder or write information into the transponder.
  • the transponder contains an electronic memory and a transmit / receive antenna. Communication between the read / write unit and transponder takes place via the modulation of an electromagnetic field, usually at a carrier frequency of 125 kHz or 13.56 MHz.
  • the transponder is a passive unit and receives the required energy via the antenna from the electromagnetic field of the read / write unit.
  • the vapor-deposited metal layers of conventional security films are, however, relatively thin. On the one hand, they are therefore sensitive to mechanical damage and tensile stress and, on the other hand, they do not have sufficient electrical conductivity.
  • the antennas made from the metal layers are therefore of low quality.
  • the invention is therefore based on the object of specifying a security film and a method for its production which avoids the disadvantages of the prior art.
  • a method is to be created with which low-impedance, pre- preferably have structured metal layers of a security film produced.
  • a security film, a security paper, a value document and a data carrier are the subject of the subordinate claims. Developments of the invention are the subject of the dependent claims.
  • the invention is based on the finding that low-resistance metal layers can advantageously be produced in a two-stage process.
  • a thin, electrically conductive layer preferably a metal layer
  • the thin, electrically conductive layer is preferably structured using a printing process. Structuring methods that are already known and have proven themselves for the production of security elements can be used for this. In principle, however, other methods or methods for structuring the thin, electrically conductive layer are also possible, such as electrical erosion and laser ablation.
  • the possibly already structured, thin layer is reinforced by electrodeposition of a metal, so that overall a low-resistance, preferably structured, metal coating is produced on the carrier film.
  • antennas for integrated circuits of RFID technology can advantageously be formed by the low-resistance metal coating without the thick metal coating having to be etched.
  • a thin metal layer is preferably vapor-deposited on the carrier film by means of vacuum evaporation or by means of electron beam evaporation. However, it can also be carried out using other suitable methods, in particular their methods of thin-film technology, such as sputtering, are generated or applied to the carrier film.
  • the thin metal layer is applied over the entire surface or only in partial sections and typically with a thickness of approximately 500 nm or less, in particular approximately 250 nm or less.
  • electrically conductive printing inks or carbon coatings can be used for this.
  • Electrically conductive printing inks can contain, for example, metal pigments, carbon black, graphite or electrically conductive polymers or combinations thereof. If this electrically conductive coating is printed on, for example by offset printing, or applied using a masking process, it can already be transferred to the carrier film in a structured form.
  • the electrically conductive first coating which is not produced using thin-film technology, also has a very small thickness.
  • the electroplating advantageously applies a metal layer with a thickness of 1 ⁇ m or more, preferably 5 ⁇ m or more, to the thin conductive layer in order to achieve a sufficiently low electrical resistance and a high mechanical stability of the metallic coating.
  • a metal layer with a thickness of 1 ⁇ m or more, preferably 5 ⁇ m or more to the thin conductive layer in order to achieve a sufficiently low electrical resistance and a high mechanical stability of the metallic coating.
  • Such particularly low-resistance metal layers are particularly suitable for security threads or security elements of documents and securities and for authenticity testing by measuring their electrical conductivity.
  • the thin metal layer is structured by printing a printed image onto the metal layer using a thermoplastic printing ink, which corresponds to the areas of the metal layer. Then the metal layer with the thermoplastic printing ink is pressed under heat and pressure against a contact foil and the contact foil is removed after cooling together with the areas of the metal layer to be removed.
  • the thin metal layer can be structured by printing a printed image on the carrier film before applying the thin metal layer, which corresponds to the areas of the metal layer to be removed later, the printing ink having little adhesion to the subsequent metal coating.
  • the thin metal layer is then applied to the printed carrier film, and the printing ink and the part of the metal coating applied to the printed image is removed mechanically, in particular by means of an air or liquid jet or a mechanical scraping device.
  • the so-called “washing process” is preferably used, in which the thin metal layer is structured by printing a printed image on the carrier film before application of the thin metal layer using a soluble printing ink, which corresponds to the areas of the metal layer that are to be removed later.
  • the thin metal layer is then applied to the printed carrier film, and the printing ink and the part of the metal coating applied to the printed image is removed using a solvent.
  • the ink used as the printing ink advantageously has a high pigment content, so that after drying it forms a porous structure with a large surface area.
  • the proportion of pigment is advantageously between 10% and 80%, preferably about 60%, in each case based on the dry weight of the Colour.
  • Natural raw materials such as chalk, bentonite, Aerosil or titanium dioxide are preferably used as pigments.
  • Water-soluble binders such as boiled or dissolved starch or polyvinyl alcohol, are advantageously used for the printing ink, so that the printing ink can be dissolved and washed off with water after application.
  • the thin metal layer in the form of the remaining metal layer regions is printed with an organically soluble ink.
  • the evaporated metal layer is switched as an anode and fed to a first galvanic bath.
  • the metal of the vapor-deposited layer dissolves in the unprinted areas (anodic oxidation).
  • the coated and structured carrier film is coated with an organic solvent, e.g. Isopropanol, led and the ink removed or dissolved.
  • an organic solvent e.g. Isopropanol
  • a print image is printed on the thin metal layer using an etching printing ink.
  • the caustic printing ink can be washed off together with the areas of the thin metal layer that have been dissolved or dissolved.
  • a protective layer can be printed on the thin metal layer, with the exception of the areas to be removed later, and the thin metal layer can then be removed in the unprotected areas.
  • An etch-resistant printing ink is advantageously applied as a protective layer, and the thin metal layer is etched away in the unprinted areas, in particular using an alkali or an acid.
  • Laser ablation or the electroerosion process offer further preferred options for structuring the thin metal layer.
  • a laser beam of sufficient energy density is guided over the areas of the thin layer to be ablated. This method is particularly flexible and is therefore particularly suitable for small series and varying structures.
  • the carrier film is provided with an electrically conductive printing ink, for example in offset printing, with a thin, electrically conductive layer.
  • This layer can be printed over the entire surface, but it is preferably printed directly in the outline contours of the security elements to be produced. As a result, subsequent structuring steps of the first electrically conductive layer can be omitted.
  • the dried conductive layer can be fed directly to the galvanic bath for the application of the metallic reinforcement layer.
  • the galvanic reinforcement is carried out immediately after the structuring of the thin metal layer, so that the metal coating can be applied completely within a single, preferably continuously operating process line. This allows drying in an advantageous manner and there is no winding of the film between the two coating steps
  • the first metal of the thin metal layer and the second metal of the galvanic reinforcement layer have different visual properties, in particular different colors or different reflection properties.
  • the carrier film is made of a transparent or translucent material, the safety film leads to a different visual impression when viewed from the front and from behind.
  • This effect can be used in that the security film is applied, for example, over a window of security paper, a value document or a data carrier.
  • the window can be formed by a recess or a transparent or translucent area of the security paper or value document.
  • the first metal and the second metal can likewise advantageously have different physical properties, in particular different electrical or magnetic properties, such as conductivity, susceptibility or the like. This enables a complex physical behavior of the metal coating to be set and the security film's security against forgery to be increased.
  • the physical properties of the galvanic amplification can be optimized for the antenna function of the metal coating, while the physical properties of the grown thin metal layer provide an additional authenticity signature, for example due to a loss peak at a specific excitation frequency.
  • the thin metal layer is preferably formed from aluminum, chromium, gold, silver, copper, iron, nickel, cobalt or an alloy which is one or contains several of these metals.
  • the galvanically applied metal layer preferably contains copper, nickel, cobalt, chromium, silver or gold.
  • the metal layers can be provided with an additional, external protective layer.
  • a protective layer increases the resistance of the sensitive metal coating to environmental influences and can be applied, for example, by painting or a laminatable film or an adhesive layer.
  • the protective layer is preferably transparent and colorless and electrically insulating.
  • the carrier film is provided in the form of an endless web, so that the method can be carried out continuously.
  • the carrier film can be formed from a plastic or a preferably moisture-resistant paper of any composition. Polyester, polyethylene terephthalate (PET) and polyimide are preferably used as plastics.
  • PET polyethylene terephthalate
  • the carrier film with the structured thin metal layer is advantageously drawn through a galvanic bath for the coating. The thickness of the galvanic coating can be adjusted by the dwell time of the foil in the galvanic bath and / or the metal concentration in the bath.
  • the carrier film does not have to be dried after structuring the thin metal layer, but can continue to run directly into the galvanic bath after washing.
  • the carrier film is advantageously contacted on the side of the guide rollers provided with the thin, electrically conductive layer. clocked to establish an electrical contact for galvanic deposition. Since the thin conductive layer generally extends over a greater distance, it is sufficient if it is connected to the cathode at a few locations in order to cover the entire surface of the layer if the conductive layer is continuous or at least between these locations has an uninterrupted electrical path.
  • the invention also includes a security film for storage or application in or on security papers, documents of value or data carriers, which has a carrier film with a preferably structured metal coating.
  • the electrically conductive coating is formed by a thin, preferably vapor-deposited and structured metal layer or a thin, printed layer and a galvanic reinforcement of the thin layer.
  • Such a security film can be produced in particular by one of the methods described above.
  • the total thickness of the electrically conductive coating is at least 1 ⁇ m or more, preferably at least 5 ⁇ m.
  • a film according to the invention is also possible to use as a transfer film for the structured metal layer.
  • the carrier film and coating are matched to one another in particular by the choice of a suitable plastic for the carrier film in such a way that the metal coating separates well from the carrier film. Removal can also be facilitated by an additional release layer.
  • the structures produced can be coated with a hot glue after the galvanization and transferred from the carrier film to another substrate, for example made of paper, by means of heat and pressure. Alternatively, an adhesive can also be arranged on the substrate.
  • Fig. 1 is a schematic plan view of a security film according to a
  • FIG. 2 shows the layer structure of the security film of FIG. 1 in cross section
  • FIG. 3 shows a document of value with a security film according to the invention in supervision
  • Fig. 4 is a security paper with a security film according to the invention in cross section.
  • FIG. 1 shows a schematic top view of a security film 10 and FIG. 2 shows a cross section of the security film 10 along the line A - A of FIG. 1 in order to illustrate the layer structure of the film 10.
  • the security film 10 contains a plastic film 12, for example a polyester film, to which a structured metal coating 14 is applied.
  • the recesses 16 in the metal coating 14 can have the form of characters or patterns and, as negative writing, can represent visually or machine-readable information.
  • the metal coating 14 consists of a thin vapor-deposited metal layer 18 and a thick metal layer 20 electrodeposited thereon.
  • the thin metal layer 18 is formed by an aluminum layer of 200 nm thickness vapor-deposited on the polyester film 12.
  • a printed image corresponding to the cutouts 16 is printed on the polyester film 12 before the metal layer 18 is evaporated with a water-soluble printing ink. After the metal layer 18 has been evaporated, the printing ink is then washed out together with the parts of the aluminum layer 18 lying above it.
  • the carrier film 12 is provided with the structured metal layer 18 in a galvanic bath with a thick copper layer 20, in the exemplary embodiment with a thickness of approximately 10 ⁇ m.
  • FIG. 3 shows a document of value 22 which is provided with a security film 10 according to the invention.
  • Carrier film 12 is fixed on the object of value using a hot melt adhesive.
  • the metal coating 14 is in the form of an antenna for a radio frequency identification system, which forms the transmit / receive antenna for a transponder circuit 24.
  • FIG. 4 Another embodiment of the invention is shown in FIG. 4.
  • the security film 10 is produced as described in connection with FIG. 2 and has a thin aluminum layer 18 and a thick copper layer 20 which are applied one above the other on a transparent polyester film 12.
  • the security film 10 is fixed over a window 28 of a security paper 26, for example a bank note.
  • the window 28 is through a cutout in the security paper 26 formed, in other configurations it can also be formed by a transparent area of the security paper.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Materials For Medical Uses (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Paper (AREA)

Abstract

L'invention concerne un procédé de production d'une feuille de sécurité pour des papiers de sécurité, documents de valeur, supports de données ou analogues. Ce procédé consiste : à appliquer une fine couche électroconductrice sur une feuille support ; et à structurer cette fine couche, de préférence au moyen d'un procédé d'impression. La fine couche éventuellement structurée est ensuite renforcée par dépôt électrolytique d'un métal, afin de former un revêtement métallique de faible résistivité sur ladite feuille support.
PCT/EP2003/013584 2002-12-04 2003-12-02 Feuille de securite et son procede de production WO2004050951A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE50309282T DE50309282D1 (de) 2002-12-04 2003-12-02 Sicherheitsfolie und verfahren zur herstellung derselben
AU2003296603A AU2003296603A1 (en) 2002-12-04 2003-12-02 Security film and method for the production thereof
EP03812166A EP1583871B1 (fr) 2002-12-04 2003-12-02 Feuille de securite et son procede de production

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10256832.4 2002-12-04
DE10256832A DE10256832A1 (de) 2002-12-04 2002-12-04 Sicherheitsfolie und Verfahren zur Herstellung derselben

Publications (2)

Publication Number Publication Date
WO2004050951A2 true WO2004050951A2 (fr) 2004-06-17
WO2004050951A3 WO2004050951A3 (fr) 2004-09-23

Family

ID=32336000

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/013584 WO2004050951A2 (fr) 2002-12-04 2003-12-02 Feuille de securite et son procede de production

Country Status (5)

Country Link
EP (1) EP1583871B1 (fr)
AT (1) ATE387542T1 (fr)
AU (1) AU2003296603A1 (fr)
DE (2) DE10256832A1 (fr)
WO (1) WO2004050951A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012153114A1 (fr) * 2011-05-06 2012-11-15 D W Spinks (Embossing) Limited Dispositif de sécurité fenêtré
EP2524814B1 (fr) 2011-05-18 2015-03-25 Landqart AG Améliorations apportées à des caractéristiques de sécurité

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005048033B4 (de) * 2005-10-06 2010-01-21 Bundesdruckerei Gmbh Sicherheitsdokument
DE102005049891A1 (de) * 2005-10-17 2007-04-19 Leonhard Kurz Gmbh & Co. Kg Metallisierter Mehrschichtkörper
DE102007005884B4 (de) 2007-02-07 2022-02-03 Leonhard Kurz Stiftung & Co. Kg Sicherheitsdokument
DE102008063030A1 (de) * 2008-12-23 2010-06-24 Bundesdruckerei Gmbh Sicherheits- und/oder Wertdokument mit einer leitfähigen Struktur und Verfahren zu dessen Herstellung

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1127043A (en) * 1967-01-26 1968-09-11 Portals Ltd Security papers
US4014602A (en) * 1975-01-16 1977-03-29 Siemens Aktiengesellschaft Identification card having a hologram superimposed on printed data
US4552617A (en) * 1984-06-13 1985-11-12 Crane & Co. Security features in paper
EP0238043A2 (fr) * 1986-03-18 1987-09-23 GAO Gesellschaft für Automation und Organisation mbH Document de sécurité à fil de sécurité incorporé
EP0330733A1 (fr) * 1988-03-04 1989-09-06 GAO Gesellschaft für Automation und Organisation mbH Elément de sécurité en forme de fil ou de bande destiné à être incorporé dans un document de sécurité et procédé pour sa fabrication
EP0930174A2 (fr) * 1993-12-24 1999-07-21 Giesecke & Devrient GmbH Papier de sécurité contenant un élément de sécurité en forme de fil ou de bande
WO1999057682A1 (fr) * 1998-04-30 1999-11-11 N.V. Bekaert S.A. Element de securite permettant d'empecher les contrefaçons de documents de valeur
WO2000007160A1 (fr) * 1998-07-30 2000-02-10 Meto International Gmbh Materiau de bande, element de protection et procede pour produire un element de protection pour la protection electronique d'articles
US6146773A (en) * 1995-06-09 2000-11-14 Giesecke & Devrient Gmbh Security document and method for producing it

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1127043A (en) * 1967-01-26 1968-09-11 Portals Ltd Security papers
US4014602A (en) * 1975-01-16 1977-03-29 Siemens Aktiengesellschaft Identification card having a hologram superimposed on printed data
US4552617A (en) * 1984-06-13 1985-11-12 Crane & Co. Security features in paper
EP0238043A2 (fr) * 1986-03-18 1987-09-23 GAO Gesellschaft für Automation und Organisation mbH Document de sécurité à fil de sécurité incorporé
EP0330733A1 (fr) * 1988-03-04 1989-09-06 GAO Gesellschaft für Automation und Organisation mbH Elément de sécurité en forme de fil ou de bande destiné à être incorporé dans un document de sécurité et procédé pour sa fabrication
EP0930174A2 (fr) * 1993-12-24 1999-07-21 Giesecke & Devrient GmbH Papier de sécurité contenant un élément de sécurité en forme de fil ou de bande
US6146773A (en) * 1995-06-09 2000-11-14 Giesecke & Devrient Gmbh Security document and method for producing it
WO1999057682A1 (fr) * 1998-04-30 1999-11-11 N.V. Bekaert S.A. Element de securite permettant d'empecher les contrefaçons de documents de valeur
WO2000007160A1 (fr) * 1998-07-30 2000-02-10 Meto International Gmbh Materiau de bande, element de protection et procede pour produire un element de protection pour la protection electronique d'articles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012153114A1 (fr) * 2011-05-06 2012-11-15 D W Spinks (Embossing) Limited Dispositif de sécurité fenêtré
EP2524814B1 (fr) 2011-05-18 2015-03-25 Landqart AG Améliorations apportées à des caractéristiques de sécurité

Also Published As

Publication number Publication date
ATE387542T1 (de) 2008-03-15
WO2004050951A3 (fr) 2004-09-23
AU2003296603A1 (en) 2004-06-23
DE10256832A1 (de) 2004-06-24
DE50309282D1 (de) 2008-04-10
AU2003296603A8 (en) 2004-06-23
EP1583871B1 (fr) 2008-02-27
EP1583871A2 (fr) 2005-10-12

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