EP2164708B1 - Signe de sécurité et son procédé de réalisation - Google Patents

Signe de sécurité et son procédé de réalisation Download PDF

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Publication number
EP2164708B1
EP2164708B1 EP08773511A EP08773511A EP2164708B1 EP 2164708 B1 EP2164708 B1 EP 2164708B1 EP 08773511 A EP08773511 A EP 08773511A EP 08773511 A EP08773511 A EP 08773511A EP 2164708 B1 EP2164708 B1 EP 2164708B1
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EP
European Patent Office
Prior art keywords
laser
marking
opening
substrate
marking substance
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.)
Active
Application number
EP08773511A
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German (de)
English (en)
Other versions
EP2164708A1 (fr
Inventor
André Gregarek
Manfred Heim
Bernhard Wiedner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giesecke and Devrient GmbH
Original Assignee
Giesecke and Devrient GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Giesecke and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Publication of EP2164708A1 publication Critical patent/EP2164708A1/fr
Application granted granted Critical
Publication of EP2164708B1 publication Critical patent/EP2164708B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/24—Ablative recording, e.g. by burning marks; Spark recording
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/267—Marking of plastic artifacts, e.g. with laser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/28—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using thermochromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat- decomposable compounds, e.g. gas- liberating

Definitions

  • the invention relates to a security feature for a security element, a security paper or a data carrier which has a carrier, in which at least one through opening and at least one passport registered to the continuous opening are to be introduced.
  • the invention relates to a method for producing such a security feature and to a security element, a security paper and a data carrier having such a security feature.
  • Identity cards such as credit cards or identity cards
  • the production of continuous openings in value documents by laser cutting has also been known for some time.
  • the document DE 43 34 848 C1 describes a security with a closed by a transparent cover film window-like opening, which can be generated by a laser cutting process.
  • a security document such as a banknote, passport or the like, comprising a security paper and a laser generated mark, wherein the security paper has at least a portion having a coating, and the mark extends beyond the boundary region between the coating and security paper.
  • the publication EP 0 956 975 A2 relates to a copy protection element comprising a metal layer and another layer.
  • the physical / optical properties of the further layer are such that with the aid of a laser beam, markings introduced into the copy protection element can not be reproduced by electrophotography.
  • the publication EP 1 661 729 A2 relates to the laser marking of value documents, which is based on interaction of the laser radiation with the ink systems used.
  • the publication WO 02/03104 A2 describes a method for producing a security feature in which a substrate coated with a metal layer is provided with throughgoing or non-penetrating openings by means of laser radiation.
  • the metal layer is vaporized by the action of the laser radiation and thus completely removed.
  • the present invention has the object, safety elements, security papers and data carriers of the type mentioned in terms of their Nachahppesconce on to improve.
  • steps b1) and b2 are arbitrary. It is initially step b1) and then step b2) or only step b2) and then step b1) are executed.
  • the inventive method relates to the production of a security feature that in a separate security element for application to or for insertion in a data carrier, in a security paper or a security film for the production of documents of value or the like, or in a data carrier, such as a banknote, identity card or the like, may be present.
  • a security element, security paper or the data carrier provides a carrier for the security feature, in which the through openings and the passported markings are introduced.
  • openings and markings usually refers to the following, it is always understood that according to the invention Also, only a single opening and a single mark can be provided in the carrier.
  • At least one continuous opening and at least one registered marking are produced without spacing into one another.
  • This can be achieved, for example, by continuously guiding the laser beam along the aperture to be cut and the marker to be inserted, thereby reducing the laser energy at the junction of the aperture to be cut and the marker to be inserted, and of high laser energy similar to that required for cutting the carrier exceeds the energy required to a lower energy level, which is no longer sufficient to cut the carrier, but is still above the reaction energy of the marker.
  • the opening and the marking are generated in the same operation with the same laser beam and are therefore highly accurately matched.
  • At least one through opening and at least one registered marking can be produced spaced apart from one another.
  • the laser energy in the intermediate space between the opening to be cut and the mark to be introduced can be lowered to zero or at least to a value below the reaction energy of the marking substance.
  • the opening, gap and marking are generated in the same operation with the same laser beam and are so highly accurately matched.
  • the support can be kept free of laser-modifiable marker in the area of the through openings, so that excluded is that the edge area of the openings is modified by the laser beam.
  • the carrier can also be provided with laser-modifiable marking material in the area of the through openings, so that the laser-modifiable marking substance in the vicinity of the openings is modified by the cutting laser beam when introducing the through openings.
  • near area of the openings also includes, in addition to the edge area directly adjoining the opening, an area which, with a certain small distance, lies close to the opening. The small distance can be a few tenths of a millimeter or a few millimeters, depending on the application.
  • the carrier In order to provide the carrier with the marker, it is coated in an advantageous variant of the invention on its surface with the marker, for example by a printing process. According to another likewise advantageous variant of the invention, the marking substance is introduced into the volume of the carrier. Depending on the carrier material, different methods are available.
  • the marker can advantageously be mixed with the sheet formation of the paper pulp.
  • a further advantageous possibility is to introduce the marking substance into the volume of the paper substrate in a dipping bath or to impregnate the paper substrate in a size press with the marking substance.
  • the marking substance can likewise be introduced into the volume of the film during the production of the film or subsequently by means of an impregnation step.
  • thermoreactive colored pigments such as ultramarine blue
  • marking substances whose infrared-absorbing, magnetic, electrical or luminescent properties are changed by the action of the laser radiation.
  • Security features having openings with such a laser-modified marker region can be used in particular for mechanical authentication. It is also possible to use a combination of different marking substances, for example in order to enable both a visual and a machine authenticity check of the security feature.
  • the through openings can be produced in particular in the form of perforations, cuts or extended window areas.
  • the carrier in which the carrier is also provided with a laser-modifiable marking substance in the region of the openings, it can be modified in particular in an edge region adjoining the openings to be produced by the action of laser radiation.
  • laser-modifiable effect pigments are used as the laser-modifiable marker.
  • Such effect pigments are available to the person skilled in the art with different properties, in particular with regard to their body color, the color change under laser action, the threshold energy and the required laser wavelength.
  • effect pigments which are not (only) their visible color, but their infrared-absorbing, magnetic, electrical laser irradiation or change luminescent properties, are known in the art.
  • the modification of the effect pigments can be made with laser radiation in the ultraviolet, visible or infrared spectral range, for example, a CO 2 laser of a wavelength of 10.6 microns.
  • a pigment-free laser-modifiable marker is used.
  • Pigment-free marking substances can also be applied to the support or introduced into the support volume, for example as a stitch or printing ink. With pigment-free marking materials, a coating of high transparency can be produced, into which a permanent and high-contrast marking can be introduced by laser action at high speed.
  • Pigment-free marking substances can be modified by laser radiation in the ultraviolet, visible or infrared spectral range, for example with the 10.6 ⁇ m radiation of a CO 2 laser.
  • Specific, non-limiting examples of pigment-free, laser-modifiable markers are in the documents WO 02/101462 A1 . US 4,343,885 and EP 0290 750 B1 specified, the disclosure of which is included in the present description in this regard.
  • the invention also encompasses a security element for security papers, documents of value and the like having a security feature produced according to the method described, wherein the security element has a carrier in which at least one through opening and at least one mark registered through the opening are introduced by the action of laser radiation, and the contains a laser-modified marker in the region of the marker.
  • a security element can, for example, be in the form of a security thread, a label, a transfer element or a covering film for a window area or a hole in a value document, such as a banknote.
  • the invention also includes a security paper for the production of documents of value or the like, with a security feature produced by the described method, wherein the security paper has a carrier, introduced by the action of laser radiation at least one through opening and at least one passported to the continuous opening marker and which contains a laser-modified marker in the region of the marking.
  • the security paper has a carrier, introduced by the action of laser radiation at least one through opening and at least one passported to the continuous opening marker and which contains a laser-modified marker in the region of the marking.
  • the invention further includes a data carrier with a security feature produced by the method described, in particular a document of value, such as a banknote, identity card or the like, wherein the data carrier has a carrier in which by the action of laser radiation at least one through opening and at least one through opening and a laser-modified marker is included in the region of the marker.
  • a data carrier with a security feature produced by the method described, in particular a document of value, such as a banknote, identity card or the like, wherein the data carrier has a carrier in which by the action of laser radiation at least one through opening and at least one through opening and a laser-modified marker is included in the region of the marker.
  • the latter can also be provided with a security element according to the invention or can be produced from a security paper according to the invention.
  • FIGS. 1 and 2 show a schematic representation of a banknote 10, which in an in Fig. 2 more precisely, the feature area 12 according to the invention is provided with a laser hole and an associated, highly precisely matched marking.
  • a through opening 14 cut into the paper substrate 16 of the banknote 10.
  • the opening 14 is at several points directly into a colored, for example, red mark 18, which is formed in the embodiment by a series of patch pentagons, and which is highly precisely adapted to the opening 14.
  • the paper substrate 16 prior to laser cutting has been formed in the region 20 of FIG Mark provided with a laser-modifiable marker, which shows the desired color change upon exposure to laser radiation.
  • Fig. 3 schematically shows the time course 30 of the laser energy during laser cutting.
  • E S is the threshold energy required to cut the paper substrate 16
  • E M is the reaction energy of the marker, when exceeded, the desired reaction, in the embodiment of the red color change occurs.
  • a laser beam with a high laser energy E H is generated, which exceeds the threshold value E S for cutting the paper substrate 16, and the laser beam is guided in such a way that a section 14-1 (FIG. Fig. 2 ) of the opening 14 is cut.
  • the laser power is reduced for a time interval t L to a lower laser energy E L , which is no longer sufficient for cutting the substrate 16, but is still above the reaction energy E M of the marker.
  • the laser beam is guided in the marking area 20 in the form of a pentagonal section 18-1 of the desired marking 18.
  • the laser energy is again increased to the laser energy E H for a time interval t H and the next section 14-2 of the opening is cut.
  • the next portion 18-2 of the marker 18 is generated. This process continues until the entire opening 14 and the entire marking 18 are completed are placed. Since the opening 14 and the mark 18 are produced in the same operation with the same laser beam, they are highly precisely matched.
  • Fig. 4 shows a further embodiment of the invention, in which the through-hole 14 and the highly accurately registered mark 28 are generated spaced from each other.
  • the laser energy is lowered back to E 0 , the laser beam is returned to the edge point 14-R of the opening 14 and the cutting of the opening continued. In this way, an opening 14 and a highly accurately registered, spaced mark 28 are formed.
  • Fig. 5 shown further embodiment, not only the region of the mark to be generated, but also the region of the opening to be introduced is provided with the laser-modifiable marker. In this way, in addition to the as in the embodiment of Fig. 2 generated mark 18 when cutting the opening 14 creates an effect edge 38, which is perfectly matched to the opening 14 and the mark 18.
  • edge 38 during laser cutting results from the essentially Gaussian spatial energy distribution of the cutting laser beam. While in an inner portion of the cutting laser beam, the threshold energy Es needed to cut the substrate 16 is exceeded, the energy density of the cutting laser beam falls outside the laser spot continuously down to zero. There is therefore an outer region of the cutting laser beam in which the local energy lies between E M and Es, so that a color change of the marker is induced in this region, but the substrate is not cut. In this way, the paper substrate 16 is laser engraved in an edge region 38 of the cut opening 14 in perfect registration with the opening 14 and the mark 18. The width of the colored edge region 38 depends on the beam profile of the laser beam, the reaction energy of the marker used and the material properties of the substrate 16.
  • the modified edge region of the opening may even be greater than the beam extent.
  • the marking material is removed or destroyed directly next to the cut edge of the opening 14 and is modified only from a certain small distance from the cutting edge. If, for example, the marking substance is ablated or destroyed above a laser energy E D , where E M ⁇ E D ⁇ E S , then the marking substance is located in an inner edge region of the laser beam in which the local energy E D ⁇ E ⁇ E S , removed and modified in a more remote edge region of the laser beam, in which E M ⁇ E ⁇ E D applies.
  • an opening 14 is then formed which, in addition to the highly precisely matched marking 18, has a perfectly adjusted modification region which circulates at a small distance around the edge of the opening 14.

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Credit Cards Or The Like (AREA)
  • Laser Beam Processing (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Saccharide Compounds (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Claims (16)

  1. Procédé de fabrication d'une caractéristique de sécurité pour un élément de sécurité, un papier de sécurité ou un support de données, qui comprend un support (16), dans lequel il s'agit d'introduire au moins une ouverture continue (14) et au moins un marquage (18), en registre avec l'ouverture continue (14), procédé dans lequel
    a) on pourvoit d'une matière de marquage (20), pouvant être modifiée par un laser, le support (16) au moins dans la zone du marquage (18) à produire, et
    b) dans la même passe
    b1) on introduit dans le support (16), sous l'action d'un rayonnement laser en présence d'une puissance laser plus élevée, au moins une ouverture continue (14), et
    b2) sous l'action du rayonnement laser, en présence d'une puissance laser plus faible, on modifie dans la zone de marquage (20) la matière de marquage pouvant être modifiée par un laser, et on produit ainsi au moins un marquage (18) en registre avec l'ouverture continue.
  2. Procédé selon la revendication 1, caractérisé en ce qu'on produit une ouverture continue (14) et au moins un marquage en registre (18), se fondant l'un dans l'autre sans écartement entre eux.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'on produit au moins une ouverture continue (14) et au moins un marquage (28) en registre, avec un écartement entre les deux.
  4. Procédé selon au moins l'une des revendications 1 à 3, caractérisé en ce que le support (16) est, dans la zone des ouvertures continues (14), maintenu exempt de matière de marquage pouvant être modifiée par un laser.
  5. Procédé selon au moins l'une des revendications 1 à 3, caractérisé en ce que le support (16) est pourvu d'une matière de marquage pouvant être modifiée par un laser, même dans la zone des ouvertures continues (14), de telle sorte que la matière de marquage pouvant être modifiée par un laser soit, lors de l'introduction des ouvertures continues (14), modifiée par ce même faisceau laser, dans le domaine proche (38) des ouvertures (14).
  6. Procédé selon au moins l'une des revendications 1 à 5, caractérisé en ce qu'on applique la matière de marquage sur le support (16), ou encore on introduit la matière de marquage dans le volume du support (16).
  7. Procédé selon au moins l'une des revendications 1 à 6, caractérisé en ce que le support (16) est constitué de papier ou d'une feuille plastique.
  8. Procédé selon au moins l'une des revendications 1 à 7, caractérisé en ce qu'on pourvoit le support (16) d'une matière de marquage dont la couleur visible est modifiée sous l'action du rayonnement laser.
  9. Procédé selon au moins l'une des revendications 1 à 8, caractérisé en ce qu'on pourvoit le support (16) d'une matière de marquage dont les propriétés d'absorption dans l'infrarouge, magnétiques, électriques ou luminescentes, sont modifiées sous l'action du rayonnement laser.
  10. Procédé selon au moins l'une des revendications 1 à 9, caractérisé en ce que les ouvertures continues (14) sont produites sous forme de perforations, de découpes ou de zones étendues formant fenêtre.
  11. Procédé selon au moins l'une des revendications 5 à 10, caractérisé en ce que la matière de marquage pouvant être modifiée par un laser est modifiée, sous l'action d'un rayonnement laser, dans une zone marginale (38) des ouvertures (14), qui suit directement les ouvertures (14) à produire.
  12. Procédé selon au moins l'une des revendications 1 à 11, caractérisé en ce que, en tant que matière de marquage pouvant être modifiée par un laser, on utilise des pigments à effets pouvant être modifiés par un laser, ou une matière de marquage sans pigments, pouvant être modifiée par un laser.
  13. Procédé selon au moins l'une des revendications 1 à 12, caractérisé en ce que, pour introduire les ouvertures (14) et pour modifier la matière de marquage, on utilise un rayonnement laser dans le domaine de couleurs spectrales ultraviolettes ou visibles, ou un rayonnement laser dans le domaine de couleurs spectrales infrarouge, en particulier un rayonnement laser d'un laser à CO2, à une longueur d'onde d'environ 10,6 µm.
  14. Elément de sécurité pour papiers de sécurité, documents de valeur et analogues, comportant un support (16), dans lequel, sous l'action d'un rayonnement laser, au moins une ouverture continue (14) et au moins un marquage (18), en registre avec l'ouverture continue (14), sont introduits, et comportant une matière de marquage pouvant être modifiée par un laser dans la zone du marquage, pouvant être fabriqué selon l'une des revendications 1 à 13.
  15. Papier de sécurité pour la fabrication de documents de valeur ou analogues, comportant un support (16), dans lequel, sous l'action d'un rayonnement laser, au moins une ouverture continue (14) et au moins un marquage (18), en registre avec l'ouverture continue (14), sont introduits, et comportant une matière de marquage pouvant être modifiée par un laser dans la zone du marquage, pouvant être fabriqué selon l'une des revendications 1 à 13.
  16. Support de données, en particulier document de valeur, tel qu'un billet de banque, une carte d'identité ou analogues, comportant un support (16), dans lequel, sous l'action d'un rayonnement laser, au moins une ouverture continue et au moins un marquage (18), en registre avec l'ouverture continue, sont introduits, et comportant une matière de marquage pouvant être modifiée par un laser dans la zone du marquage, pouvant être fabriqué selon l'une des revendications 1 à 13.
EP08773511A 2007-07-03 2008-06-19 Signe de sécurité et son procédé de réalisation Active EP2164708B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007030946 2007-07-03
DE102007036623A DE102007036623A1 (de) 2007-07-03 2007-08-02 Sicherheitsmerkmal und Verfahren zu seiner Herstellung
PCT/EP2008/004923 WO2009003588A1 (fr) 2007-07-03 2008-06-19 Signe de sécurité et son procédé de réalisation

Publications (2)

Publication Number Publication Date
EP2164708A1 EP2164708A1 (fr) 2010-03-24
EP2164708B1 true EP2164708B1 (fr) 2011-08-17

Family

ID=40092628

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08773509A Active EP2164707B1 (fr) 2007-07-03 2008-06-19 Signe de sécurité et son procédé de réalisation
EP08773511A Active EP2164708B1 (fr) 2007-07-03 2008-06-19 Signe de sécurité et son procédé de réalisation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP08773509A Active EP2164707B1 (fr) 2007-07-03 2008-06-19 Signe de sécurité et son procédé de réalisation

Country Status (9)

Country Link
US (1) US8573650B2 (fr)
EP (2) EP2164707B1 (fr)
CN (1) CN101754862B (fr)
AT (2) ATE542678T1 (fr)
DE (2) DE102007036622A1 (fr)
PL (1) PL2164707T3 (fr)
RU (1) RU2464177C2 (fr)
WO (2) WO2009003587A1 (fr)
ZA (1) ZA201000737B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102519389A (zh) * 2011-11-30 2012-06-27 中国科学院上海光学精密机械研究所 光学元件旋转定位夹具及旋转定位方法

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DE102008062475A1 (de) 2008-12-16 2010-06-17 Giesecke & Devrient Gmbh Sicherheitselement und Sicherheitspapier
DE102009048145A1 (de) * 2009-10-02 2011-04-07 Giesecke & Devrient Gmbh Datenträger mit Fenster
DE102010022990A1 (de) * 2010-06-08 2011-12-08 Giesecke & Devrient Gmbh Datenträger mit Merkmalsbereich
DE102010053052A1 (de) * 2010-12-01 2012-06-06 Giesecke & Devrient Gmbh Datenträger mit Kennzeichnung
WO2012153116A1 (fr) * 2011-05-06 2012-11-15 D W Spinks (Embossing) Limited Dispositif de sécurité perfectionné
MX349409B (es) 2013-05-10 2017-07-26 Fábrica Nac De Moneda Y Timbre- Real Casa De La Moneda Procedimiento para proporcionar una caracteristica de seguridad a un documento de seguridad, y el documento de seguridad.
MX351523B (es) 2013-06-26 2017-10-18 Fabrica Nac De Moneda Y Timbre Real Casa De La Moneda Procedimiento para proporcionar una característica de seguridad a un documento de seguridad, y documento de seguridad.
US10207532B2 (en) 2014-07-30 2019-02-19 Canadian Bank Note Company, Limited Security document having a protected window and method for making the same
DE102015003785A1 (de) * 2015-03-23 2016-09-29 Giesecke & Devrient Gmbh Verfahren zum Herstellen eines Fensters in einem Papiersubstrat mit einem Sicherheitselement
DE102015005672A1 (de) * 2015-05-04 2016-11-10 Giesecke & Devrient Gmbh Sicherheitsmerkmal und Verfahren zu dessen Herstellung
EP3109058A3 (fr) * 2015-06-26 2017-01-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Procédé de marquage de pièces et pièces marquées
DE102016002120A1 (de) * 2016-02-24 2017-08-24 Giesecke & Devrient Gmbh Sicherheitsmerkmal und Verfahren zu dessen Herstellung
DE102016004424A1 (de) 2016-04-12 2017-10-12 Giesecke+Devrient Currency Technology Gmbh Laserung einer Beschichtung mit Effektpigmenten
DE102016006929A1 (de) 2016-06-06 2017-12-07 Giesecke+Devrient Currency Technology Gmbh Sicherheitsmerkmal und Verfahren zu dessen Herstellung
DE102016006931A1 (de) * 2016-06-06 2017-12-07 Giesecke+Devrient Currency Technology Gmbh Sicherheitsmerkmal und Verfahren zu dessen Herstellung
DE102016009512A1 (de) * 2016-08-04 2018-02-08 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement, Verfahren zum Herstellen eines Sicherheitselements sowie Wertdokument mit einem solchen Sicherheitselement
DE102016014845A1 (de) 2016-12-13 2018-06-14 Giesecke+Devrient Currency Technology Gmbh Laserschneiden und Laserverfärben von Sicherheitsdokumenten
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DE102007036623A1 (de) 2009-01-08
ATE520537T1 (de) 2011-09-15
DE102007036622A1 (de) 2009-01-08
EP2164707B1 (fr) 2012-01-25
CN101754862A (zh) 2010-06-23
ZA201000737B (en) 2010-10-27
EP2164708A1 (fr) 2010-03-24
PL2164707T3 (pl) 2012-07-31
US20100164217A1 (en) 2010-07-01
CN101754862B (zh) 2013-03-27
EP2164707A1 (fr) 2010-03-24
US8573650B2 (en) 2013-11-05
RU2010102122A (ru) 2011-08-10
RU2464177C2 (ru) 2012-10-20
ATE542678T1 (de) 2012-02-15
WO2009003588A1 (fr) 2009-01-08

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