EP2414172B1 - Un procédé pour la fabrication d'un document d'identification comprenant une partie transparente avec des bulles anti-contrefaçon et une utilisation correspondante d'un laser - Google Patents

Un procédé pour la fabrication d'un document d'identification comprenant une partie transparente avec des bulles anti-contrefaçon et une utilisation correspondante d'un laser Download PDF

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Publication number
EP2414172B1
EP2414172B1 EP10711425.8A EP10711425A EP2414172B1 EP 2414172 B1 EP2414172 B1 EP 2414172B1 EP 10711425 A EP10711425 A EP 10711425A EP 2414172 B1 EP2414172 B1 EP 2414172B1
Authority
EP
European Patent Office
Prior art keywords
bubbles
document
overlay
laser
card
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.)
Not-in-force
Application number
EP10711425.8A
Other languages
German (de)
English (en)
Other versions
EP2414172A1 (fr
Inventor
Jean-Luc Lesur
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.)
Thales DIS France SA
Original Assignee
Gemalto SA
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 Gemalto SA filed Critical Gemalto SA
Priority to NO10711425A priority Critical patent/NO2414172T3/no
Priority to EP10711425.8A priority patent/EP2414172B1/fr
Publication of EP2414172A1 publication Critical patent/EP2414172A1/fr
Application granted granted Critical
Publication of EP2414172B1 publication Critical patent/EP2414172B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/351—Translucent or partly translucent parts, e.g. windows
    • 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

  • This invention relates generally to a method for manufacturing an identification document, the method comprising the creation of an anti-counterfeiting element.
  • Identification documents are associated with secure applications, such as for example driving licenses, identity cards, membership cards, badges or passes, passports, discount cards, banking cards, money cards, multi-application cards and other papers of value and security documents such as bank notes.
  • Such documents are widely used and may comprise an electronic module or not. If they comprise an electronic module, they can function either with contact and/or without contact depending on the application to which they are intended. They may take the shape of card or a booklet.
  • Such identification documents are graphically personalized. Personalized information is personal data of the card's owner, i.e for example his photo, his name, his birth date, his social security number, his biometric information such as his fingerprint for example, a validity date, or an identification number allocated to him. This personalized information is printed onto the surface of the document, or into one or more constitution layers of the document. Because of the value and importance associated with each of these data carriers, they are often the subject of unauthorized copying and alterations and forgeries.
  • guilloche patterns are all the same for each batch of documents to be manufactured, so that their pattern is predictable. Consequently, it is easy for an infringer to scan the guilloche pattern and to prepare a falsification, which avoids having to print on the existing guilloche pattern, or to prepare false documents by reproducing the scanned guilloche pattern on the falsified personalization data.
  • FIGS. 1A and 1B Such a falsification is for example illustrated in figures 1A and 1B , which represent a card personalized and secured according to this known guilloche technology.
  • FIG 1A one can see a card 10 carrying personalization data 3 printed either onto or into it. These data allow to identify the card holder and are therefore personal to the true holder of such card.
  • the card 10 thus personalized may have been realized from a card body 5 relatively thick, whose main surfaces are covered on each side by a cover film 7a and 7b, also called overlay. At least one of the overlays covering the personalization data may carry for example a guilloche pattern 2.
  • guilloche pattern 2 is generally printed on the card body 5, but sometimes it can also be printed onto overlay 7a.
  • the assembling of this three parts 5, 7a and 7b is made by hot lamination.
  • the personalization data are marked onto at least one main surface of the card body 5, for example by depositing an ink or other appropriate pigment.
  • the card body 5 may be made in PVC, or PC, or PET and overlays 7a, 7b are transparent, soft, and made in plastic material such as PVC. The materials of the overlays and of the card body being different, a thermosensitive glue is conventionally used for fixedly attaching this elements together.
  • the personalized card 10 is obtained.
  • Figure 1B shows that a delamination of such a card is still possible: one can still remove one of the overlays, such as 7a in this example, so that an infringer has access to personalized data 3 of the card and guilloche pattern 2 if this later is printed on card body 5. Then, it becomes easy for the infringer to modify the personalized data 3, in order to obtained a falsified card body 5', and to place another overlay 70 onto which the scanned predictable guilloche pattern 2 may have been previously reproduced, in order to obtain a falsified card 10'. The scanned predictable guilloche pattern 2 may also be reproduced on falsified card body 5' before attaching a new overlay.
  • the overlays such as 7a in this example
  • Guilloche patterns have thus been improved in order to increase the security of identification documents.
  • a first improvement consists in varying the contrast and luminosity of the constitutive pixels of each wavy curve, the contrast and luminosity depending on the neighborhood pixels.
  • a second improvement consists in creating a guilloche pattern, whose shape is unique for each document and depends on the personalization data of the holder of the document.
  • Such improvements do not still prevent some kind of infringement consisting in delaminating the overlay layers and in reproducing the guilloche pattern either on a falsified card body or on a new overlay, after having modified the photography for example, as already explained in regards to figures 1A and 1B .
  • GB2111910 A describes a method of producing a record carrier in which information have a different visual impression by destroying a pigment which is dispersed in the substrate and that absorbs or reflects the light with formation of light-permeable reaction products with the aid of a laser beam.
  • GB2324065 discloses an identification code for banknotes or credit cards comprising a pattern of random beads.
  • the code comprises a two- or three-dimensional plastic matrix 3 having embedded therein randomly-positioned visually distinguishable beads 5.
  • the position of the beads is read and recorded as identification code, e.g. by recording the position of a sequence of beads above or below a line representative of the ones and zeros in a binary code.
  • the binary code can be read and stored in a database as an identifier of the banknote.
  • US2006/068316 describes an identification document according to the preamble of Claim 1.
  • the invention aims to provide a solution where the anti-counterfeating means are able to protect the personalization data against infringement, by the fact it is impossible to remove them for accessing the official personalization data, without destroying the material.
  • a solution of the invention proposes that the three-dimensional graphical anti-counterfeiting means are made by creation of bubbles more or less spaced from each other by means of at least one laser beam with short focal distance, typically of a few centimeters.
  • the anti-counterfeiting means are created in three-dimensions, in such a manner that they extend from one side of the document to the opposite side, through the thickness of said at least one see-through portion.
  • the three-dimensional anti-counterfeiting means comprise bubbles that are created to form continuous wavy curves inside the thickness of a first overlay, through said at least one see-through portion, and inside the thickness of a second overlay.
  • the shape of the three-dimensional pattern comprising an assembly of bubble curves, is linked to at least one personal information of the legitimate holder of the document.
  • the invention relates to a method for manufacturing an identification document comprising a body carrying, on both of its main surfaces, personalization data, said method comprising the step of creating graphical anti-counterfeiting means in three dimensions, extending in the form of bubbles from inside a first overlay one side to inside a second overlay on the opposite side, through the thickness of the document in an at least translucent portion of the document.
  • said graphical anti-counterfeiting means are made by creation of bubbles more or less spaced from each other.
  • Each bubble can be positioned at a predetermined location, so that the pattern formed by the assembly of bubbles is linked to at least one personal information of the legitimate holder of the document.
  • the bubbles are created by means of at least one laser with short focal distance.
  • an embodiment of a method according to the present invention will be described in the context of an identity (ID) card.
  • ID identity
  • the invention is usable to manufacture a data carrier that includes, but is not limited to, a driving license, a badge or pass, a passport, a discount card, a membership card, a banking card, a credit card, a money card, a multi-application card and other security documents and papers of value that are to be provided with information or data in such a way that they cannot be easily imitated by common means.
  • identification documents may take indifferently the shape of card or booklet.
  • Figure 2 shows a schematic cross-sectional view of an identification document.
  • This document comprises for example a body 20 onto which are fixedly attached two transparent overlays 21 and 22.
  • the body may be made either in only one piece, or with several layers attached together by means of conventional process of lamination or gluing or the like.
  • the body further comprises at least one portion 23 at least translucent, and at the most transparent. This portion may define either a clear window or the entire body.
  • official personalization data 26 i.e. data that are linked to the legitimate holder of the identification document.
  • These data can be, but are not limited to, a name and/or birth date and/or photography and/or fingerprint and/or a validity date.
  • These data can be printed either onto the surface 24 of the body, or into said body 20, by any conventional process such as laser engraving, ink jet printing process, offset printing process, D2T2 (acronym for Dye Diffusion Thermal Transfer) or photo process
  • the at least translucent portion 23 may also comprise security markings 27, such as an identification number for example, or also personalized data linked to the legitimate holder.
  • the identification document further comprises graphical anti-counterfeiting means 25 that are provided for proving any attempt of fraudulent modification or personalization.
  • Those means are advantageously created in three-dimensions, in such a manner that they form a pattern which passes from one side S1 of the document to the opposite side S2 through at least said one at least translucent portion 23. More particularly, such a security pattern is created inside a first top overlay 21, then passes through at least one transparent portion 23 and further inside the second bottom overlay 22. This pattern can be arranged to form wavy curves such as guilloches. The fact to have such three-dimensional anti-counterfeiting means enables to increase the security of the document.
  • the anti-counterfeiting means are made by creating bubbles into the constitution material of the document.
  • These bubbles are advantageously created by means of at least one laser with a short focal distance.
  • a laser can be a YAG laser for example.
  • the short focal distance which is typically of few centimeters, enables to create the bubbles with a great precise location.
  • YAG laser used can have short pulse duration, typically 10ps, its pulse energy can vary from 0 up to 200 ⁇ J at a repetition rate of 50KHz for standard picosecond YAG laser, i.e.
  • pulse energy can be around 100 ⁇ J at a repetition rate of 50KHz for YAG laser that function at wavelength of 532nm for example, with maximum power of 5W.
  • this example is not limitative and other lasers can be used, such as a nanosecond laser, which is less expensive than a picosecond laser.
  • the thus created bubbles that are trapped inside the thickness of the document may be of different nature. They can be for example filled with a gas resulting from the combustion of the constitution material. Thus, they can be filled for example by a carbonic gas, which forms due to the presence of carbon particles in the constituting material or by a chlorine gas for example, due to the presence of PVC in the constituting material.
  • a carbonic gas which forms due to the presence of carbon particles in the constituting material or by a chlorine gas for example, due to the presence of PVC in the constituting material.
  • such bubbles are not limited to a spherical shape, but can be of any three-dimensional shape, which is representative of a change of the visual appearance of the constitution material. In a further example, such a three-dimensional shape can offer an optical distortion, such that it appears with a different coloration into the at least translucent material.
  • Those bubbles 25 present some advantages. First, they prevent any attempt of delamination of the overlays because in case of such an attempt, the bubbles have traces that can not be removed at the interface between the overlays and the body. Those traces make therefore more difficult a counterfeiting attempt by the fact that the reactivity of the two materials, constituting respectively the overlay and the body, even if there is a new overlay, will never be the same as with the first official personalization.
  • the overlays 21, 22 are preferably made with the same material as the material used for the at least translucent portion (s) 23, or at least with a material chemically compliant, so that they can be fused together at a common fusion temperature.
  • the intimate bond between the two pieces respectively 21, 23 and 22, 23 does not necessitate the use of an additional material, thus reducing to none the risk of delamination of the overlays after their assembling.
  • Figure 3 shows a schematic front view of a card comprising such graphical anti-counterfeiting means made with bubbles through the thickness of the card.
  • the card comprises official personalized data 26, such as the name of the legitimate holder, his photography and for example an identification number, "1234" in the illustrated example.
  • the card further comprises two at least translucent portions 23A, 23B defining see-through portions or windows. When there is only one see-through portion, as in first case illustrated in figure 2 , this portion is not necessarily located in the middle of the document and can be on the lateral side of the card for example. However, in this latter case, two see-through portions, as in this second case of figure 3 , are preferred for protecting the document with more efficiency.
  • At least one of these see-through portions 23A may comprise a security marking, such as the same identification number "1234" as the one applied onto the card in the example.
  • Graphical anti-counterfeiting means 25 are provided in the card. Such means form wavy curves, forming a guilloche pattern. For simplification purpose, only three guilloches curves are schematized in figure 3 , but in reality, many such curves can be created. Such curves comprise bubbles created by means of at least one laser beam. Each curve passes from one first side of the card to the opposite second side through a first see-through portion 23A and/or 23B and then passes again from the second side to the first side through a second see-through portion 23B and/or 23A.
  • the shape of the graphical pattern can be linked to the identity of the legitimate holder, so that the shape of the anti-counterfeiting means is unique for each document to secure.
  • the space between each consecutive pair of bubbles is not necessarily constant but can vary; the variation may depend on the identification data relating to the legitimate holder of the document. In this case, it is therefore possible to create a unique graphical anti-counterfeiting pattern for each card. For that, a specific software program is used in order to define the position of each bubble of the pattern, by taking into account one or more data linked to the legitimate holder.
  • spaces between two consecutives bubbles that are equal to two times the diameter of the bubbles can be linked to a code "0", and spaces that are equal to four times the diameter of the bubbles can be linked to code "1".
  • it is also possible to modify the size of the bubbles a small size corresponding to the code "0” and a bigger one corresponding to the code "1”.
  • a bubble can be placed in a position relative to a wavy curve, and the bubble just below can correspond to the code "0", while the bubble just above corresponds to the code "1".
  • all the information can also be coded by a key provided by one guilloche amongst all of them, which can reveal the key code.
  • Figure 4 shows a schematic cross-sectional view of an identification document during the step of creation of anti-counterfeiting means.
  • the same references are used for designing the same elements as in figure 2 .
  • Bubbles are created by means of at least one YAG laser with short focal distance. This short focal distance can be, but is not limited to, less than 50mm for example for picosecond YAG laser functioning at 1064 nm
  • Such a laser beam with a short focal distance enables the creation of bubbles with great precision inside the document, and particularly to create each bubble with a very accurate location.
  • the creation of each bubble at a predetermined depth through the thickness of the body is made by controlling the energy of the laser beam.
  • this energy varies typically from 0 up to 200 ⁇ J at a repetition rate of 50KHz, while for picosencond YAG laser that functions at wavelength of 532nm this energy is typically around 100 ⁇ J at a repetition rate of 50KHz, for example.
  • two identical lasers with short focal distance are used, each laser beam L1, L2 being used for creating a set of bubbles, Set1 and Set2.
  • a first laser beam L1 makes all the bubbles of the guilloche curves on the top overlay 21 of the card up to the middle of the at least one see-through portion 23, said bubbles defining a first set of bubbles Set1.
  • the laser L1 is moved towards the direction indicated by the arrow F1.
  • the second laser beam L2 makes on the same time the other set of bubbles Set 2, defining the guilloche curves on the bottom overlay 22 up to the middle of the at least one see-through portion 23.
  • the second laser beam L2 is moved towards the direction indicated by the arrow F2, in a reversed sense compare to the direction F1 of movement of the first laser.
  • the document is fixedly positioned during the creation of the anti-counterfeiting means, so that the curves are created with a perfect continuity without any registration step difficult to implement.

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Credit Cards Or The Like (AREA)

Claims (3)

  1. Procédé de fabrication d'un document d'identification comprenant un corps (20) adapté pour la présentation de données de personnalisation (26) sur au moins l'une de ses surfaces principales ; ledit procédé incluant l'étape de création de moyens anti-contrefaçon graphiques (25) en trois dimensions, s'étendant depuis l'intérieur d'un premier revêtement (21) situé d'un côté, jusqu'à l'intérieur d'un second revêtement (22) situé du côté opposé, à travers l'épaisseur d'au moins une partie translucide (23 ; 23A, 23B) du document, où lesdits moyens anti-contrefaçon graphiques tridimensionnels sont le résultat de la création de bulles plus ou moins espacées les unes des autres à l'aide d'au moins un laser à distance focale courte, typiquement de quelques centimètres, caractérisés en ce que les bulles sont créées de telle sorte qu'elles s'étendent de l'intérieur du premier revêtement situé d'un côté jusqu'au second revêtement (22) présent sur le côté opposé, à travers l'épaisseur d'au moins une partie translucide (23 ; 23A, 23B) du document.
  2. Procédé selon la revendication 1, où les bulles sont créées au moyen de deux lasers, chaque laser faisant face à chaque surface principale du document, de telle sorte que chaque laser crée un ensemble de bulles (ensemble1, ensemble2) à travers chaque surface, chaque ensemble de bulles se rejoignant de façon continue à travers l'épaisseur de ladite partie translucide (23 ; 23A, 23B).
  3. Utilisation d'au moins un laser pour créer des moyens anti-contrefaçon graphiques (25) en trois dimensions dans un document d'identification comprenant un corps (20) adapté pour la présentation de données de personnalisation (26) sur au moins l'une de ses surfaces principales, où le laser est un laser à distance focale courte, typiquement de quelques centimètres, et est utilisé pour créer les moyens anti-contrefaçon graphiques sous la forme d'un ensemble de bulles à travers une épaisseur dudit document d'identification, ledit ensemble définissant un modèle tridimensionnel qui s'étend à l'intérieur d'un premier revêtement (21) situé d'un côté, caractérisé en ce que les bulles sont créées de sorte à s'étendre depuis l'intérieur du premier revêtement situé d'un côté jusqu'à l'intérieur d'un second revêtement (22) situé du côté opposé du document, à travers l'épaisseur d'au moins une partie translucide.
EP10711425.8A 2009-03-31 2010-03-30 Un procédé pour la fabrication d'un document d'identification comprenant une partie transparente avec des bulles anti-contrefaçon et une utilisation correspondante d'un laser Not-in-force EP2414172B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NO10711425A NO2414172T3 (fr) 2009-03-31 2010-03-30
EP10711425.8A EP2414172B1 (fr) 2009-03-31 2010-03-30 Un procédé pour la fabrication d'un document d'identification comprenant une partie transparente avec des bulles anti-contrefaçon et une utilisation correspondante d'un laser

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09305273A EP2236308A1 (fr) 2009-03-31 2009-03-31 Document d'identification comprenant une partie transparente avec des bulles anti-contrefaçon et un procédé pour sa fabrication
PCT/EP2010/054248 WO2010112528A1 (fr) 2009-03-31 2010-03-30 Document d'identification comprenant une partie transparente avec bulles anti-contrefaçon et procédé pour sa fabrication
EP10711425.8A EP2414172B1 (fr) 2009-03-31 2010-03-30 Un procédé pour la fabrication d'un document d'identification comprenant une partie transparente avec des bulles anti-contrefaçon et une utilisation correspondante d'un laser

Publications (2)

Publication Number Publication Date
EP2414172A1 EP2414172A1 (fr) 2012-02-08
EP2414172B1 true EP2414172B1 (fr) 2017-10-11

Family

ID=41226949

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09305273A Withdrawn EP2236308A1 (fr) 2009-03-31 2009-03-31 Document d'identification comprenant une partie transparente avec des bulles anti-contrefaçon et un procédé pour sa fabrication
EP10711425.8A Not-in-force EP2414172B1 (fr) 2009-03-31 2010-03-30 Un procédé pour la fabrication d'un document d'identification comprenant une partie transparente avec des bulles anti-contrefaçon et une utilisation correspondante d'un laser

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP09305273A Withdrawn EP2236308A1 (fr) 2009-03-31 2009-03-31 Document d'identification comprenant une partie transparente avec des bulles anti-contrefaçon et un procédé pour sa fabrication

Country Status (4)

Country Link
EP (2) EP2236308A1 (fr)
DK (1) DK2414172T3 (fr)
NO (1) NO2414172T3 (fr)
WO (1) WO2010112528A1 (fr)

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
DE102012215741A1 (de) * 2012-09-05 2014-03-27 Bundesdruckerei Gmbh Verbundkörper mit innenliegendem Linsenarray
US20140227487A1 (en) * 2013-02-13 2014-08-14 Datacard Corporation Identification document and method of producing the same
DE112018003095T5 (de) * 2017-06-30 2020-03-26 Ccl Secure Pty Ltd Sicherheitsdokument beinhaltend ein optisches Sicherheitsmerkmal
EP3459755A1 (fr) * 2017-09-26 2019-03-27 Gemalto Sa Procédé d'insertion de motifs guillochés, procédé d'extraction de motifs guillochés, procédé d'authentification de ces motifs guillochés et dispositifs de mise en oeuvre
PT3459757T (pt) 2017-09-26 2021-08-19 Gemalto Sa Processo de geração de motivos guilhochados variáveis, dispositivo de implementação e documento de identidade compreendendo tais motivos
EP3476618A1 (fr) * 2017-10-31 2019-05-01 Gemalto Sa Procédé de sécurisation de la zone personnalisée d'un document securisé et dispositif sécurisé comportant une telle zone personalisée
DE102020210113B3 (de) 2020-08-10 2022-02-10 Bundesdruckerei Gmbh Sicherheitsdokument mit betrachtungsrichtungsabhängigem Sicherheitsmerkmal

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Publication number Priority date Publication date Assignee Title
DE3151407C1 (de) * 1981-12-24 1983-10-13 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Ausweiskarte und Verfahren zu deren Herstellung
AUPO523997A0 (en) * 1997-02-20 1997-04-11 Securency Pty Ltd Laser marking of articles
GB2324065A (en) * 1997-04-09 1998-10-14 James Howard Slater An identification code for banknotes or credit cards comprising a pattern of random beads
US7459259B2 (en) * 2004-09-29 2008-12-02 Sabic Innovative Plastics Ip B.V. Marked article and method of making the same
EP1717059B1 (fr) * 2005-04-27 2011-03-23 Vitro Laser Technologies AG Marquages en-dessous de la surface d'un corps transparent

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
EP2236308A1 (fr) 2010-10-06
WO2010112528A1 (fr) 2010-10-07
DK2414172T3 (en) 2018-01-15
EP2414172A1 (fr) 2012-02-08
NO2414172T3 (fr) 2018-03-10

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