EP1958790A1 - Printed identification document and method of printing such a document - Google Patents

Printed identification document and method of printing such a document Download PDF

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Publication number
EP1958790A1
EP1958790A1 EP07290218A EP07290218A EP1958790A1 EP 1958790 A1 EP1958790 A1 EP 1958790A1 EP 07290218 A EP07290218 A EP 07290218A EP 07290218 A EP07290218 A EP 07290218A EP 1958790 A1 EP1958790 A1 EP 1958790A1
Authority
EP
European Patent Office
Prior art keywords
printing
printing surface
ink
overlay
protective
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.)
Withdrawn
Application number
EP07290218A
Other languages
German (de)
French (fr)
Inventor
Françoise Chabut
Denis Vere
Christophe Martinat
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.)
Axalto SA
Original Assignee
Axalto 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 Axalto SA filed Critical Axalto SA
Priority to EP07290218A priority Critical patent/EP1958790A1/en
Priority to US12/525,547 priority patent/US20100295288A1/en
Priority to PCT/IB2008/000231 priority patent/WO2008102222A1/en
Priority to JP2009549860A priority patent/JP2010519070A/en
Priority to EP08702353A priority patent/EP2121342A1/en
Publication of EP1958790A1 publication Critical patent/EP1958790A1/en
Withdrawn legal-status Critical Current

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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
    • B42D25/378—Special inks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0027—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or layers by lamination or by fusion of the coatings or layers
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/465—Associating two or more layers using chemicals or adhesives
    • B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives
    • 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
    • B41M5/382—Contact thermal transfer or sublimation processes
    • B41M5/38264—Overprinting of thermal transfer images
    • B42D2033/04—

Definitions

  • the present invention relates to the graphic personalization of identification documents.
  • the invention lies in the field of printing identification documents. It aims in particular to increase the security of identification information printed on the surface of such documents.
  • the invention finds application in the identification documents that are associated with security applications, such as for example identity cards, secure access badges, driving licenses, health cards. , credit cards, passports etc ...
  • security applications such as for example identity cards, secure access badges, driving licenses, health cards. , credit cards, passports etc ...
  • These documents include or not electronic modules with and / or without contact, depending on the use for which they are intended.
  • the personalized information is the personal data of the card holder, such as his photo, his name, his date of birth, his social security number, a biometric information such as his fingerprint for example, a validity date, a identification number which has been allocated to him, etc.
  • Customized information is usually printed over a backstory either by the manufacturer, or by its customer or a third party.
  • Graphic personalization is also called "post-personalization" because the step of printing the personal information of each cardholder or identification document, is the last step of the process of manufacturing such a card.
  • Graphic post-personalization is generally carried out by direct thermal transfer or thermal sublimation, better known by the acronym D2T2 (for "Dye Diffusion Thermal Tranfer” in French). English).
  • Both printing techniques use inking ribbons, divided into panels, sensitive to heat. At the time of printing, the panels pass entirely on the document to be printed, an inking panel can only be used once. For color printing, four-chromic ribbons are generally used.
  • YMCKT KT type ribbons also called YMCKO KO, where "T”, or “O”, denotes a “Topcoat” which is overlay protection of about 2 microns thick. This protective overlay is applied at the time of printing on the card, by thermal transfer.
  • YMCKT KT, or YMCKO KO type ribbons including a protective overlay, are used to print cards for low life applications, typically one to two years.
  • the overlay deteriorates in effect over time, due to external environmental aggressions, mechanical or physicochemical types.
  • This plastification patch also called reinforced protective film, has a thickness of between 10 and 25 microns. It is usually made of PET (polyethylene terephthalate) pre-coated. It is rugged enough to withstand external aggressions for a number of years.
  • a traditional card body, printed on both sides is schematized in section on the figure 1 .
  • a card body generally comprises a plastic core 10 which may consist of several layers laminated between them.
  • the plastic used to make this core is, for example, polyvinyl chloride (PVC) or polyethylene terephthalate (PET) or polycarbonate (PC).
  • the core may also consist of several different plastics, such as, for example, PET / PVC, etc.
  • the core may comprise any electronic component such as at least one integrated circuit chip, and / or a non-contact module and / or an antenna or other components.
  • At least one of the main surfaces 11, 12 of the core 10 is then printed to apply a backstory 14A, 14B, better known under the name Anglo-Saxon "artwork".
  • This background is generally performed using an offset printing process or screen printing.
  • the core 10 thus printed is then covered on its two main surfaces by protective plastic layers 21, 22, more known in the English terminology "overlay”. These overlays are usually made of PVC or PET or PC.
  • the overlays 21, 22 are laminated to the printed circuit board.
  • the personalized information 24A, 24B is then printed on the surface of at least one overlay 21, 22, above the 14A background pattern, 14B previously printed.
  • Post-personalization is achieved by a heat transfer process using a ribbon type YMCK K.
  • a reinforced protective film 31A, 31B, pre-glued, is then deposited on the post-personalization.
  • This reinforced protective film is generally made of polyethylene terephthalate and has a thickness of the order of 10 to 25 microns.
  • the thickness of the overlay 21, 22 creates a space in general of the order of 50 to 100 ⁇ m between the background frame 14A, 14B and the personalized information 24A, 24B.
  • a fraudster can easily remove the post-personalization without damaging the background of the card because there is a large tolerance, usually between 50 and 100 ⁇ m to reach this background. Removal of the post-personalization can be achieved by sanding or using a solvent such as an alcohol for example.
  • the counterfeiter when the post-personalization is removed, the counterfeiter can reuse the card body and reprint it with other personalized information. It can also scan the background of the card and reproduce completely counterfeit cards.
  • a solution as illustrated on the figure 2 is to print the shading and the personalized information on a common surface of at least one of the overlays 21, 22, and then to cover them with a reinforced protective film 31A, 31B.
  • the graphic post-personalization adheres to the ink of the backstory, there is no more layer of overlay between the background and the personalized information, so that a fraudster can not remove the personalized information without damaging the shading.
  • the technical problem of the present invention is to provide an identification document comprising a body of which at least one of the main surfaces forms a printing surface, on which are printed a backstory and / or personalized information, said printing surface being covered with a reinforced protective film, which would effectively adhere the reinforced protective film to the ink printed on the printing surface, so as to obtain a long-term identification document of life and whose printing is secure against fraud.
  • the identification document also comprises a protective overlay carried on the printing surface by means of an ink ribbon, said overlay of protection being able to allow the fixation of the reinforced protective film on the ink of the printing surface.
  • the protective overlay of ink ribbons generally used for printing low-life cards can also act as an adhesive to adhere the film of enhanced protection on the ink applied to the printing surface.
  • overlays of inking ribbons previously used to print low-life media can now be used for secure printing on long life media.
  • the invention also relates to a method for printing an identification document comprising a body of which at least one of the main surfaces forms a printing surface, on which are printed a backstory and / or personalized information.
  • the process is remarkable in that at least one printing step is carried out by thermal transfer by means of an ink ribbon comprising a protective overlay, and by the fact that it also consists in bringing back a film reinforced protection on said printing surface so that the protective overlay of the ink ribbon allows the fixation of said reinforced protective film on the ink carried on the printing surface.
  • Another object of the invention resides in the use of the protection overlay of a thermal transfer inking ribbon, for producing an adhesive means between the ink, the ink ribbon, reported on a printing surface and a reinforced protective film applied to said printing surface.
  • the protective overlay is used as an adhesive means to allow the attachment of a reinforced protective film to the ink applied to a printed surface.
  • the figure 3 schematically a card, type identity card, with or without electronic module, printed double-sided.
  • This card comprises a body 10, obtained by various known methods such as the molding or rolling of several layers, and two overlays 21, 22 of laminated protection on the main surfaces 11, 12 of the body 10.
  • the body can be made in different materials like PVC, PET PC, ABS etc ...
  • Overlays are usually transparent and made of PVC, PET or PC. They have a thickness of the order of 50 to 100 ⁇ m. Their role is to offer protection of cardboard surfaces against external environmental aggressions.
  • a weft 14A, 14B is then printed on the surface of at least one of the overlays 21, 22.
  • This backdrop is printed using a conventional printing process such as offset or screen printing.
  • the post-personalization consisting of printing personalized information 24A, 24B, is then performed directly on the background screen, or directly on the surface of an overlay when the background is printed on one side only and the post-personalization is performed on both sides.
  • the post-personalization is carried out by direct thermal transfer or by sublimation, by means of an ink ribbon.
  • an ink ribbon For two-sided printing, for example, a multi-colored multi-panel ink ribbon is used. So, we can use a YMCKT KT tape, also called YMCKO KO, to print a first face in full color, for example, by transferring a color photo and information about the identity of the holder in black, and to print a second face in monochrome by reporting a number serial or a barcode, for example, in black.
  • the tape must include a protective overlay 25A, 25B, also called “Topcoat” and designated by the letter T or O.
  • This protective overlay is a transparent topcoat intended, in its usual use, to protect the ink against mechanical aggressions such as scratches for example.
  • This overlay has a thickness of the order of about 2 microns.
  • this overlay 25A, 25B is indeed essential for the subsequent adhesion of a reinforced protective film 31A, 31B to the ink of the printed surface.
  • the protective overlay can also be used as an adhesive means for fixing the reinforced protective film on the ink.
  • the reinforced protective film 31A, 31B has a thickness between 10 and 25 microns and allows increased protection of the printed surface against external environmental aggressions so that it allows the realization of long life cards. It is generally reported by a rolling step at low temperature.
  • the inking ribbons conventionally used to print low-life products could be used to print long-lived products through use.
  • the protective overlay as an adhesive medium for attaching a reinforced protective film to the ink.
  • the protective overlay of the ink ribbon therefore has the advantage of increasing the adhesion of the reinforced protective film to the ink and simultaneously increasing the security of the printing.
  • the reinforced protective film may have different thicknesses on each face. It can be completely transparent, or include security elements like holograms, or guilloches etc ...
  • the invention applies to any document of the card, badge, passport or visa type, for example, regardless of the manufacturing process.
  • the invention applies both to laminated cards that are molded, made in sheet or card by card.
  • the realization of the post-personalization and the deposition of the reinforced protective film can be done simultaneously, with the same printer, or in two successive steps.
  • the reinforced protective film may further include an aperture, when the card contains a flush-contact module, so that the aperture surrounds the periphery of the terminal block of the module.
  • the shading may also be coated with a protective varnish compatible with the post-personalization step.
  • a protective varnish compatible with the post-personalization step.
  • Such a varnish makes it possible to form a barrier that avoids any transfer of the ink from the base screen onto the ink ribbon during thermal transfer printing.
  • the varnish is fine and chooses so that it allows a good subsequent adhesion of the post-personalization ink.
  • This may for example be a varnish chosen from heat-activatable varnishes and the chemical nature of which allows the adhesion of different interfaces polyurethane, polyamide, or polyester etc ....
  • the protective overlay of the ink ribbon be carried over the entire print surface of the card. Indeed, it is sufficient that the protection overlay is reported in a few cleverly chosen areas to allow proper adhesion of the reinforced protective film on the ink. For example, it is possible to transfer the ink ribbon protection overlay to all areas of the print surface except those covered by the custom information.
  • An advantage to this is to reduce the cost of production because the color panels are divided in two.
  • the ribbon is supplied with panels of yellow, magenta and cyan half the length of the standard size, the size of the black panels remaining unchanged.
  • the protection overlay panel size is also half as long as the standard size. In this case, the printer is set to print only half a panel.
  • a reinforced protective film can still be fixed on the back ground. In this case, only the protective overlay of the ink ribbon is transferred to the printed surface before covering it with the reinforced protective film.

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Credit Cards Or The Like (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Electronic Switches (AREA)

Abstract

The document has a body (10) including main surfaces (11, 12), where one of the surfaces form a printing surface on which bottom rasters (14A, 14B) and personalized information (24A, 24B) e.g. photo, are printed. The surface is covered with reinforced protecting films (31A, 31B). Protection overlays (25A, 25B) i.e. topcoats, are placed on the printing surface by a multipanel, multicolor inking ribbon e.g. YMCKO-KO type inking ribbon. The overlays fix the protecting films on an ink that is placed on the printing surface, and partially cover the printing surface. An independent claim is also included for a method for printing an identification document.

Description

La présente invention concerne la personnalisation graphique de documents d'identification.The present invention relates to the graphic personalization of identification documents.

L'invention se situe dans le domaine de l'impression de documents d'identification. Elle vise notamment à accroitre la sécurité des informations d'identification imprimées à la surface de tels documents.The invention lies in the field of printing identification documents. It aims in particular to increase the security of identification information printed on the surface of such documents.

Plus particulièrement, l'invention trouve une application dans les documents d'identification qui sont associés à des applications de sécurité, tels que par exemple des cartes d'identité, des badges d'accès sécurisé, des permis de conduire, des cartes de santé, des cartes de crédit, des passeports etc... Ces documents comprennent ou non des modules électroniques avec et/ou sans contact, selon l'usage pour lequel ils sont destinés. Les informations personnalisées sont les données personnelles du titulaire de la carte, comme par exemple sa photo, son nom, sa date de naissance, son numéro de sécurité sociale, une information biométrique telle que son empreinte digitale par exemple, une date de validité, un numéro d'identification qui lui a été alloué, etc....More particularly, the invention finds application in the identification documents that are associated with security applications, such as for example identity cards, secure access badges, driving licenses, health cards. , credit cards, passports etc ... These documents include or not electronic modules with and / or without contact, depending on the use for which they are intended. The personalized information is the personal data of the card holder, such as his photo, his name, his date of birth, his social security number, a biometric information such as his fingerprint for example, a validity date, a identification number which has been allocated to him, etc.

Les informations personnalisées sont généralement imprimées au-dessus d'une trame de fond soit par le fabriquant, ou par son client ou par un tiers. La personnalisation graphique est aussi appelée « post-personnalisation » car l'étape d'impression des informations personnelles de chaque titulaire de carte ou document d'identification, est la dernière étape du procédé de fabrication d'une telle carte. La post-personnalisation graphique est en général réalisée par transfert thermique direct ou par sublimation thermique plus connue sous l'acronyme D2T2 (pour « Dye Diffusion Thermal Tranfer » en anglais). Ces deux techniques d'impression utilisent des rubans d'encrage, divisés en panneaux, sensibles à la chaleur. Au moment de l'impression, les panneaux passent intégralement sur le document à imprimer, un panneau d'encrage n'est donc utilisable qu'une seule fois. Pour l'impression couleur, on utilise en général des rubans quadri-chromiques.Customized information is usually printed over a backstory either by the manufacturer, or by its customer or a third party. Graphic personalization is also called "post-personalization" because the step of printing the personal information of each cardholder or identification document, is the last step of the process of manufacturing such a card. Graphic post-personalization is generally carried out by direct thermal transfer or thermal sublimation, better known by the acronym D2T2 (for "Dye Diffusion Thermal Tranfer" in French). English). Both printing techniques use inking ribbons, divided into panels, sensitive to heat. At the time of printing, the panels pass entirely on the document to be printed, an inking panel can only be used once. For color printing, four-chromic ribbons are generally used.

Ainsi, on peut par exemple utiliser des rubans bien connus de type YMCK K, où YMCK désignent respectivement les panneaux de couleur jaune, magenta, cyan et noire sur une première face du document à imprimer et le dernier K désigne le panneau de couleur noire sur une deuxième face du document à imprimer. Lorsque le document en question est une carte, il est en effet avantageux d'utiliser un ruban permettant une impression recto-verso. Bien sûr, il existe des rubans permettant de faire uniquement de l'impression sur une seule surface.Thus, it is possible, for example, to use well known ribbons of the YMCK K type, where YMCK denote respectively the yellow, magenta, cyan and black color panels on a first face of the document to be printed and the last K denotes the black color panel on a second side of the document to be printed. When the document in question is a card, it is indeed advantageous to use a ribbon allowing a two-sided printing. Of course, there are ribbons that can only print on one surface.

Il existe également des rubans de type YMCKT KT, encore dénommé YMCKO KO, où « T », ou « O », désigne un « Topcoat » qui est overlay de protection d'environ 2 µm d'épaisseur. Cet overlay de protection est appliqué au moment de l'impression sur la carte, par transfert thermique.There are also YMCKT KT type ribbons, also called YMCKO KO, where "T", or "O", denotes a "Topcoat" which is overlay protection of about 2 microns thick. This protective overlay is applied at the time of printing on the card, by thermal transfer.

Dans le domaine des cartes plastiques multicouches, les rubans de type YMCKT KT, ou YMCKO KO, comprenant un overlay de protection, sont utilisés pour imprimer des cartes destinées à des applications de faible durée de vie, typiquement un à deux ans. L'overlay se détériore en effet avec le temps, du fait des agressions environnementales extérieures, de types mécaniques ou physico-chimiques.In the field of multilayer plastic cards, YMCKT KT, or YMCKO KO type ribbons, including a protective overlay, are used to print cards for low life applications, typically one to two years. The overlay deteriorates in effect over time, due to external environmental aggressions, mechanical or physicochemical types.

D'autre part, la post-personnalisation des cartes réalisées pour des applications de plus longue durée de vie, comme par exemple les cartes d'identité, les cartes de santé, les permis de conduire, nécessite l'utilisation de rubans de type YMCK K et l'application, sur toute la surface imprimée, d'un patch de plastification. Ce patch de plastification, encore dénommé film de protection renforcée, présente une épaisseur comprise entre 10 et 25 µm. Il est en général en PET (Polyéthylène téréphtalate) préencollé. Il est suffisamment robuste pour résister aux agressions extérieures pendant un certain nombre d'années.On the other hand, post-personalization of cards made for longer life applications, such as identity cards, health cards, driving licenses, requires the use of YMCK type ribbons. K and the application, all over the printed surface, a lamination patch. This plastification patch, also called reinforced protective film, has a thickness of between 10 and 25 microns. It is usually made of PET (polyethylene terephthalate) pre-coated. It is rugged enough to withstand external aggressions for a number of years.

Un corps de carte traditionnel, imprimé recto-verso est schématisé en coupe sur la figure 1. Un tel corps de carte comprend en général un coeur 10 en plastique pouvant être constitué de plusieurs couches laminées entre-elles. Le plastique utilisé pour réaliser ce coeur est par exemple du polychlorure de vinyle (PVC) ou du polyéthylène téréphtalate (PET) ou du polycarbonate (PC). Le coeur peut aussi être constitué de plusieurs plastiques différents, tel que par exemple du PET/PVC etc.... Si la carte est destinée à être utilisée pour des applications au moins sans contact, le coeur peut comprendre tout composant électronique tel qu'au moins une puce à circuits intégrés, et/ou un module sans contact et/ou une antenne ou d'autres composants. Au moins l'une des surfaces principales 11, 12 du coeur 10 est ensuite imprimée pour y appliquer une trame de fond 14A, 14B, plus connue sous le nom anglo-saxon « artwork ». Cette trame de fond est en général réalisée en utilisant un procédé d'impression offset ou par sérigraphie. Le coeur 10 ainsi imprimé est ensuite recouvert sur ses deux surfaces principales par des couches plastiques de protection 21, 22, plus connues sous la terminologie anglo-saxonne « overlay ». Ces overlays sont généralement réalisés en PVC ou du PET ou en PC. Les overlays 21, 22 sont laminés sur le corps de carte imprimée. Les informations personnalisées 24A, 24B sont ensuite imprimées sur la surface d'au moins un overlay 21, 22, au-dessus de la trame de fond 14A, 14B préalablement imprimée. La post-personnalisation est réalisée par un procédé de transfert thermique en utilisant un ruban de type YMCK K. Un film de protection renforcée 31A, 31B, préencollé, est ensuite déposé sur la post-personnalisation. Ce film de protection renforcée est en général réalisé en polyéthylène téréphtalate et présente une épaisseur de l'ordre de 10 à 25 µm.A traditional card body, printed on both sides is schematized in section on the figure 1 . Such a card body generally comprises a plastic core 10 which may consist of several layers laminated between them. The plastic used to make this core is, for example, polyvinyl chloride (PVC) or polyethylene terephthalate (PET) or polycarbonate (PC). The core may also consist of several different plastics, such as, for example, PET / PVC, etc. If the card is intended to be used for at least non-contact applications, the core may comprise any electronic component such as at least one integrated circuit chip, and / or a non-contact module and / or an antenna or other components. At least one of the main surfaces 11, 12 of the core 10 is then printed to apply a backstory 14A, 14B, better known under the name Anglo-Saxon "artwork". This background is generally performed using an offset printing process or screen printing. The core 10 thus printed is then covered on its two main surfaces by protective plastic layers 21, 22, more known in the English terminology "overlay". These overlays are usually made of PVC or PET or PC. The overlays 21, 22 are laminated to the printed circuit board. The personalized information 24A, 24B is then printed on the surface of at least one overlay 21, 22, above the 14A background pattern, 14B previously printed. Post-personalization is achieved by a heat transfer process using a ribbon type YMCK K. A reinforced protective film 31A, 31B, pre-glued, is then deposited on the post-personalization. This reinforced protective film is generally made of polyethylene terephthalate and has a thickness of the order of 10 to 25 microns.

Cependant, l'épaisseur de l'overlay 21, 22 crée un espace en général de l'ordre de 50 à 100µm entre la trame de fond 14A, 14B et les informations personnalisées 24A, 24B. En conséquence, un fraudeur peut facilement enlever la post-personnalisation sans endommager la trame de fond de la carte car il y a une grande tolérance, comprise en général entre 50 et 100µm, pour atteindre cette trame de fond. L'enlèvement de la post-personnalisation peut être réalisé par sablage ou en utilisant un solvant tel qu'un alcool par exemple.However, the thickness of the overlay 21, 22 creates a space in general of the order of 50 to 100 μm between the background frame 14A, 14B and the personalized information 24A, 24B. As a result, a fraudster can easily remove the post-personalization without damaging the background of the card because there is a large tolerance, usually between 50 and 100μm to reach this background. Removal of the post-personalization can be achieved by sanding or using a solvent such as an alcohol for example.

Ainsi, lorsque la post-personnalisation est enlevée, le contrefacteur peut réutiliser le corps de carte et le réimprimer avec d'autres informations personnalisées. Il peut aussi scanner la trame de fond de la carte et reproduire des cartes complètement contrefaites.Thus, when the post-personalization is removed, the counterfeiter can reuse the card body and reprint it with other personalized information. It can also scan the background of the card and reproduce completely counterfeit cards.

Pour pallier ce problème de fraude, une solution, telle qu'illustrée sur la figure 2, consiste à imprimer la trame de fond et les informations personnalisées sur une surface commune d'au moins un des overlays 21, 22, puis à les recouvrir par un film de protection renforcée 31A, 31B. Ainsi, la post-personnalisation graphique adhère sur l'encre de la trame de fond, il n'y a plus de couche d'overlay entre la trame de fond et les informations personnalisées, de sorte qu'un fraudeur ne peut plus enlever les informations personnalisées sans endommager la trame de fond.To overcome this problem of fraud, a solution, as illustrated on the figure 2 is to print the shading and the personalized information on a common surface of at least one of the overlays 21, 22, and then to cover them with a reinforced protective film 31A, 31B. Thus, the graphic post-personalization adheres to the ink of the backstory, there is no more layer of overlay between the background and the personalized information, so that a fraudster can not remove the personalized information without damaging the shading.

Malheureusement, cette augmentation de la sécurité de la post-personnalisation engendre un autre problème lié à la durée de vie de telles cartes. En effet, le film de protection renforcée n'est plus en contact avec le plastique de l'overlay 21, 22 ou directement avec la surface 11, 12 du corps de carte, mais seulement avec l'encre de la trame de fond et de la post-personnalisation. L'adhésion de ce film est donc considérablement réduite, voir même inexistante. Ce problème n'est pas compatible avec les applications de sécurité de ces cartes qui doivent présenter de longues durées de vie.Unfortunately, this increase in the security of post-personalization creates another problem related to the life of such cards. Indeed, the reinforced protective film is no longer in contact with the plastic overlay 21, 22 or directly with the surface 11, 12 of the card body, but only with the ink of the backstory and post-personalization. The membership of this film is therefore considerably reduced, or even nonexistent. This problem is not compatible with the security applications of these cards which must have long lifetimes.

Aussi, le problème technique objet de la présente invention consiste à proposer un document d'identification comprenant un corps dont au moins une des surfaces principales forme une surface d'impression, sur laquelle sont imprimées une trame de fond et/ou des informations personnalisées, ladite surface d'impression étant recouverte d'un film de protection renforcée, qui permettrait de faire adhérer efficacement le film de protection renforcée sur l'encre imprimée sur la surface d'impression, de manière à obtenir un document d'identification à longue durée de vie et dont l'impression est sécurisée contre la fraude.Also, the technical problem of the present invention is to provide an identification document comprising a body of which at least one of the main surfaces forms a printing surface, on which are printed a backstory and / or personalized information, said printing surface being covered with a reinforced protective film, which would effectively adhere the reinforced protective film to the ink printed on the printing surface, so as to obtain a long-term identification document of life and whose printing is secure against fraud.

La solution au problème technique posé est obtenue, selon la présente invention par le fait que le document d'identification comprend en outre un overlay de protection reporté sur la surface d'impression au moyen d'un ruban d'encrage, ledit overlay de protection étant apte à permettre la fixation du film de protection renforcée sur l'encre de la surface d'impression.The solution to the technical problem posed is obtained, according to the present invention, by the fact that the identification document also comprises a protective overlay carried on the printing surface by means of an ink ribbon, said overlay of protection being able to allow the fixation of the reinforced protective film on the ink of the printing surface.

Ainsi, il a été découvert, de manière complètement surprenante, que l'overlay de protection des rubans d'encrage utilisés généralement pour imprimer des cartes à faible durée de vie, peut en outre jouer le rôle d'adhésif pour faire adhérer le film de protection renforcée sur l'encre appliquée sur la surface d'impression. Dès lors, les overlays des rubans d'encrage jusqu'alors utilisés pour imprimer des supports à faible durée de vie, peuvent maintenant être utilisés pour des impressions sécurisées sur des supports à longue durée de vie.Thus, it has been discovered, in a completely surprising manner, that the protective overlay of ink ribbons generally used for printing low-life cards, can also act as an adhesive to adhere the film of enhanced protection on the ink applied to the printing surface. As a result, overlays of inking ribbons previously used to print low-life media can now be used for secure printing on long life media.

L'invention se rapporte également à un procédé d'impression d'un document d'identification comprenant un corps dont au moins une des surfaces principales forme une surface d'impression, sur laquelle sont imprimées une trame de fond et/ou des informations personnalisées. Le procédé est remarquable par le fait qu'au moins une étape d'impression est réalisée par transfert thermique au moyen d'un ruban d'encrage comprenant un overlay de protection, et par le fait qu'il consiste en outre à rapporter un film de protection renforcée sur ladite surface d'impression de sorte que l'overlay de protection du ruban d'encrage permette la fixation dudit film de protection renforcée sur l'encre reportée sur la surface d'impression.The invention also relates to a method for printing an identification document comprising a body of which at least one of the main surfaces forms a printing surface, on which are printed a backstory and / or personalized information. . The process is remarkable in that at least one printing step is carried out by thermal transfer by means of an ink ribbon comprising a protective overlay, and by the fact that it also consists in bringing back a film reinforced protection on said printing surface so that the protective overlay of the ink ribbon allows the fixation of said reinforced protective film on the ink carried on the printing surface.

Un autre objet de l'invention réside dans l'utilisation de l'overlay de protection d'un ruban d'encrage par transfert thermique, pour la réalisation d'un moyen adhésif entre l'encre, du ruban d'encrage, reportée sur une surface d'impression et un film de protection renforcée appliqué sur ladite surface d'impression.Another object of the invention resides in the use of the protection overlay of a thermal transfer inking ribbon, for producing an adhesive means between the ink, the ink ribbon, reported on a printing surface and a reinforced protective film applied to said printing surface.

Ainsi, alors que l'application première de l'overlay de protection des rubans d'encrage est la protection de l'encre contre les agressions extérieures, une deuxième application vient d'être découverte, de manière complètement surprenante. Selon cette deuxième application, l'overlay de protection est utilisé comme moyen adhésif pour permettre la fixation d'un film de protection renforcée sur l'encre appliquée sur une surface imprimée.Thus, while the first application of the protective overlay of ink ribbons is the protection of ink against external aggressions, a second application has just been discovered, in a completely surprising way. According to this second application, the protective overlay is used as an adhesive means to allow the attachment of a reinforced protective film to the ink applied to a printed surface.

D'autres particularités et avantages de l'invention apparaîtront à la lecture de la description suivante faite à titre d'exemple illustratif et non limitatif, en référence aux figures annexées qui représentent:

  • la figure 1, déjà décrite, un schéma en coupe des couches de constitution d'une carte imprimée recto-verso selon l'art antérieur,
  • la figure 2, déjà décrite, un schéma en coupe des couches de constitution d'une autre carte imprimée recto-verso selon un autre mode de réalisation de l'art antérieur,
  • la figure 3, un schéma en coupe d'une carte imprimée recto-verso selon la présente invention.
Other features and advantages of the invention will appear on reading the following description given by way of illustrative and non-limiting example, with reference to the appended figures which represent:
  • the figure 1 , already described, a cross-sectional diagram of the layers of constitution of a double-sided printed circuit board according to the prior art,
  • the figure 2 , already described, a sectional diagram of the layers of constitution of another printed card double-sided according to another embodiment of the prior art,
  • the figure 3 , a sectional diagram of a double-sided printed circuit board according to the present invention.

La figure 3 schématise une carte, de type carte d'identité, avec ou sans module électronique, imprimée recto-verso. Cette carte comprend un corps 10, obtenu par différents procédés connus tel que le moulage ou le laminage de plusieurs couches, et deux overlays 21, 22 de protection laminés sur les surfaces principales 11, 12 du corps 10. Le corps peut être réalisé dans différents matériaux de type PVC, PET PC, ABS etc... Les overlays sont en général transparents et réalisés en PVC, PET ou PC. Ils présentent une épaisseur de l'ordre de 50 à 100µm. Leur rôle est d'offrir une protection des surfaces du corps de carte contre les agressions extérieures environnementales.The figure 3 schematically a card, type identity card, with or without electronic module, printed double-sided. This card comprises a body 10, obtained by various known methods such as the molding or rolling of several layers, and two overlays 21, 22 of laminated protection on the main surfaces 11, 12 of the body 10. The body can be made in different materials like PVC, PET PC, ABS etc ... Overlays are usually transparent and made of PVC, PET or PC. They have a thickness of the order of 50 to 100 μm. Their role is to offer protection of cardboard surfaces against external environmental aggressions.

Une trame de fond 14A, 14B est ensuite imprimée sur la surface d'au moins un des overlays 21, 22. Cette trame de fond est imprimée à l'aide d'un procédé classique d'impression de type offset ou sérigraphie par exemple.A weft 14A, 14B is then printed on the surface of at least one of the overlays 21, 22. This backdrop is printed using a conventional printing process such as offset or screen printing.

La post-personnalisation, consistant à imprimer des informations personnalisées 24A, 24B, est ensuite réalisée directement sur la trame de fond, ou directement sur la surface d'un overlay lorsque la trame de fond n'est imprimée que sur une face et que la post-personnalisation est réalisée sur les deux faces. La post-personnalisation est réalisée par transfert thermique direct ou par sublimation, au moyen d'un ruban d'encrage. Pour une impression recto-verso, on utilise par exemple un ruban d'encrage multi-couleur multi-panneaux. Ainsi, on peut utiliser un ruban YMCKT KT, encore dénommé YMCKO KO, pour imprimer une première face en quadrichromie en reportant une photo en couleur par exemple et des informations sur l'identité du titulaire en noir, et pour imprimer une deuxième face en monochrome en reportant un numéro de série ou un code barre, par exemple, en noir.The post-personalization, consisting of printing personalized information 24A, 24B, is then performed directly on the background screen, or directly on the surface of an overlay when the background is printed on one side only and the post-personalization is performed on both sides. The post-personalization is carried out by direct thermal transfer or by sublimation, by means of an ink ribbon. For two-sided printing, for example, a multi-colored multi-panel ink ribbon is used. So, we can use a YMCKT KT tape, also called YMCKO KO, to print a first face in full color, for example, by transferring a color photo and information about the identity of the holder in black, and to print a second face in monochrome by reporting a number serial or a barcode, for example, in black.

Quoiqu'il en soit, le ruban doit comprendre un overlay de protection 25A, 25B, encore dénommé « Topcoat » et désigné par la lettre T ou O. Cet overlay de protection constitue une couche de finition transparente destinée, dans son utilisation habituelle, à protéger l'encre contre les agressions mécaniques telles que les rayures par exemple. Cet overlay présente une épaisseur de l'ordre d'environ 2 µm.Anyway, the tape must include a protective overlay 25A, 25B, also called "Topcoat" and designated by the letter T or O. This protective overlay is a transparent topcoat intended, in its usual use, to protect the ink against mechanical aggressions such as scratches for example. This overlay has a thickness of the order of about 2 microns.

La présence de cet overlay 25A, 25B est en effet indispensable pour l'adhésion ultérieure d'un film de protection renforcée 31A, 31B sur l'encre de la surface imprimée. De manière surprenante, il a en effet été constaté que l'overlay de protection peut en outre être utilisé en tant que moyen adhésif pour fixer le film de protection renforcée sur l'encre. Le film de protection renforcée 31A, 31B présente une épaisseur comprise entre 10 et 25 µm et permet une protection accrue de la surface imprimée contre les agressions extérieures environnementales de sorte qu'il permet la réalisation de cartes à longue durée de vie. Il est en général reporté par une étape de laminage à basse température.The presence of this overlay 25A, 25B is indeed essential for the subsequent adhesion of a reinforced protective film 31A, 31B to the ink of the printed surface. Surprisingly, it has indeed been found that the protective overlay can also be used as an adhesive means for fixing the reinforced protective film on the ink. The reinforced protective film 31A, 31B has a thickness between 10 and 25 microns and allows increased protection of the printed surface against external environmental aggressions so that it allows the realization of long life cards. It is generally reported by a rolling step at low temperature.

Ainsi, on s'est aperçu que, de manière tout à fait inattendue, les rubans d'encrage classiquement utilisés pour imprimer des produits à faible durée de vie, pouvaient être utilisés pour imprimer des produits à longue durée de vie grâce à l'utilisation de l'overlay de protection en tant que moyen adhésif pour fixer un film de protection renforcée sur l'encre.Thus, it has been found that, quite unexpectedly, the inking ribbons conventionally used to print low-life products could be used to print long-lived products through use. the protective overlay as an adhesive medium for attaching a reinforced protective film to the ink.

L'overlay de protection du ruban d'encrage présente donc l'avantage d'accroître l'adhésion du film de protection renforcée sur l'encre et d'augmenter simultanément la sécurité de l'impression.The protective overlay of the ink ribbon therefore has the advantage of increasing the adhesion of the reinforced protective film to the ink and simultaneously increasing the security of the printing.

Sans sortir du cadre de l'invention, le film de protection renforcée peut présenter différentes épaisseurs sur chaque face. Il peut être complètement transparent, ou bien comprendre des éléments sécuritaires de type hologrammes, ou guilloches etc...Without departing from the scope of the invention, the reinforced protective film may have different thicknesses on each face. It can be completely transparent, or include security elements like holograms, or guilloches etc ...

L'invention s'applique à tout document de type carte, badge, passeport ou visa par exemple, quel que soit le procédé de fabrication. Ainsi, l'invention s'applique aussi bien à des cartes laminées que moulées, réalisées en feuille ou bien carte par carte.The invention applies to any document of the card, badge, passport or visa type, for example, regardless of the manufacturing process. Thus, the invention applies both to laminated cards that are molded, made in sheet or card by card.

La réalisation de la post-personnalisation et le dépôt du film de protection renforcée peuvent se faire simultanément, avec la même imprimante, ou bien en deux étapes successives.The realization of the post-personalization and the deposition of the reinforced protective film can be done simultaneously, with the same printer, or in two successive steps.

Le film de protection renforcée peut en outre comprendre une ouverture, lorsque la carte renferme un module à contacts affleurant, de sorte que l'ouverture entoure le pourtour du bornier de connexion du module.The reinforced protective film may further include an aperture, when the card contains a flush-contact module, so that the aperture surrounds the periphery of the terminal block of the module.

D'autre part, la trame de fond peut en outre être revêtue d'un vernis de protection compatible avec l'étape de post-personnalisation. Un tel vernis permet de former une barrière évitant tout transfert de l'encre de la trame de fond sur le ruban d'encrage lors de l'impression par transfert thermique. Le vernis est fin et choisit de sorte qu'il permette une bonne adhésion ultérieure de l'encre de post-personnalisation. Ce peut par exemple être un vernis choisit parmi des vernis thermoactivables et dont la nature chimique permet l'adhérence des différentes interfaces en polyuréthane, en polyamide, ou en polyester etc....On the other hand, the shading may also be coated with a protective varnish compatible with the post-personalization step. Such a varnish makes it possible to form a barrier that avoids any transfer of the ink from the base screen onto the ink ribbon during thermal transfer printing. The varnish is fine and chooses so that it allows a good subsequent adhesion of the post-personalization ink. This may for example be a varnish chosen from heat-activatable varnishes and the chemical nature of which allows the adhesion of different interfaces polyurethane, polyamide, or polyester etc ....

Enfin, il n'est pas nécessaire que l'overlay de protection du ruban d'encrage soit reporté sur toute la surface d'impression de la carte. En effet, il suffit que l'overlay de protection soit reporté en quelques zones astucieusement choisies pour permettre une adhésion correcte du film de protection renforcée sur l'encre. Ainsi, par exemple, il est possible de reporter l'overlay de protection du ruban d'encrage sur toutes les zones de la surface d'impression à l'exception de celles recouvertes par les informations personnalisées. Un avantage à cela revient à diminuer le coût de production, car les panneaux de couleur sont divisés en deux. Le ruban est en effet fourni avec des panneaux de couleur jaune, magenta et cyan deux fois moins longs que la taille standard, la taille des panneaux de couleur noire demeurant inchangée. Dans ce mode de réalisation, la taille du panneau de l'overlay de protection est également deux fois moins longue que la taille standard. Dans ce cas, l'imprimante est réglée de façon à n'imprimer qu'un demi-panneau.Finally, it is not necessary that the protective overlay of the ink ribbon be carried over the entire print surface of the card. Indeed, it is sufficient that the protection overlay is reported in a few cleverly chosen areas to allow proper adhesion of the reinforced protective film on the ink. For example, it is possible to transfer the ink ribbon protection overlay to all areas of the print surface except those covered by the custom information. An advantage to this is to reduce the cost of production because the color panels are divided in two. The ribbon is supplied with panels of yellow, magenta and cyan half the length of the standard size, the size of the black panels remaining unchanged. In this embodiment, the protection overlay panel size is also half as long as the standard size. In this case, the printer is set to print only half a panel.

Dans le cas où aucune post-personnalisation n'est faite sur une des faces, un film de protection renforcée peut tout de même être fixé sur la trame de fond. Dans ce cas, seul l'overlay de protection du ruban d'encrage est reporté sur la surface imprimée avant de la recouvrir par le film de protection renforcée.In the case where no post-customization is done on one of the faces, a reinforced protective film can still be fixed on the back ground. In this case, only the protective overlay of the ink ribbon is transferred to the printed surface before covering it with the reinforced protective film.

Les modes de réalisation qui viennent d'être décrits se rapportent à des cartes dont les surfaces d'impression sont constituées par les overlays de protection 21, 22 laminés sur les surfaces principales 11, 12 du corps de carte. Cependant, l'invention s'applique aussi à des cartes ne comprenant pas de tels overlays de protection et dont les surfaces d'impression sont directement constituées par les surfaces principales 11, 12 des corps de carte.The embodiments which have just been described relate to cards whose printing surfaces are constituted by protective overlays 21, 22 laminated on the main surfaces 11, 12 of the card body. However, the invention also applies to cards not including such protection overlays and whose printing surfaces are directly constituted by the main surfaces 11, 12 of the card bodies.

Claims (5)

Document d'identification comprenant un corps dont au moins une des surfaces principales forme une surface d'impression, sur laquelle sont imprimées une trame de fond (14A, 14B) et/ou des informations personnalisées (24A, 24B), ladite surface d'impression étant recouverte d'un film de protection renforcée (31A, 31B), caractérisé en ce qu'il comprend en outre un overlay de protection (25A, 25B) reporté sur la surface d'impression au moyen d'un ruban d'encrage, ledit overlay de protection (25A, 25B) étant apte à permettre la fixation dudit film de protection renforcée (31A, 31B) sur l'encre reportée sur ladite surface d'impression.Identification document comprising a body of which at least one of the major surfaces forms a printing surface, on which is printed a background screen (14A, 14B) and / or personalized information (24A, 24B), said surface of printing being covered with a reinforced protective film (31A, 31B), characterized in that it further comprises a protective overlay (25A, 25B) carried on the printing surface by means of an ink ribbon said protective overlay (25A, 25B) being adapted to allow attachment of said reinforced protective film (31A, 31B) to the ink carried on said printing surface. Document d'identification selon la revendication 1, caractérisé en ce que l'overlay de protection recouvre (25A, 25B) au moins en partie la surface d'impression.Identification document according to claim 1, characterized in that the protective overlay covers (25A, 25B) at least partly the printing surface. Document d'identification selon l'une des revendications 1 à 2, caractérisé en ce qu'il comprend en outre un vernis de protection entre la trame de fond (14A, 14B) et les informations personnalisées (24A, 24B).Identification document according to one of claims 1 to 2, characterized in that it further comprises a protective varnish between the base frame (14A, 14B) and the personalized information (24A, 24B). Procédé d'impression d'un document d'identification comprenant un corps dont au moins une des surfaces principales forme une surface d'impression, sur laquelle sont imprimées une trame de fond (14A, 14B) et/ou des informations personnalisées (24A, 24B), caractérisé en ce qu'au moins une étape d'impression est réalisée par transfert thermique au moyen d'un ruban d'encrage comprenant un overlay de protection (25A, 25B), et en ce qu'il consiste en outre à rapporter un film de protection renforcée (31A, 31B) sur ladite surface d'impression, de sorte que l'overlay de protection (25A, 25B) du ruban d'encrage permette la fixation dudit film de protection renforcée (31A, 31B) sur l'encre reportée sur ladite surface d'impression.A method of printing an identification document comprising a body of which at least one of the major surfaces forms a printing surface, on which a background pattern (14A, 14B) and / or customized information (24A, 24B), characterized in that at least one printing step is carried out by thermal transfer by means of an ink ribbon comprising a protective overlay (25A, 25B), and in that that it further comprises a report enhanced protection film (31A, 31B) on said printing surface, so that the protective overlay (25A, 25B) of the ink ribbon enables the attachment of said protective film reinforced (31A, 31B) on the ink reported on said printing surface. Utilisation de l'overlay de protection (25A, 25B) d'un ruban d'encrage par transfert thermique, pour la réalisation d'un moyen adhésif entre l'encre du ruban d'encrage reportée sur une surface d'impression et un film de protection renforcée (31A, 31B) recouvrant ladite surface d'impression.Use of the protective overlay (25A, 25B) of a thermal transfer ink ribbon for producing an adhesive means between the ink of the ink ribbon carried on a printing surface and a film reinforced protection device (31A, 31B) covering said printing surface.
EP07290218A 2007-02-19 2007-02-19 Printed identification document and method of printing such a document Withdrawn EP1958790A1 (en)

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EP07290218A EP1958790A1 (en) 2007-02-19 2007-02-19 Printed identification document and method of printing such a document
US12/525,547 US20100295288A1 (en) 2007-02-19 2008-01-23 Printed identification document and process for printing such a document
PCT/IB2008/000231 WO2008102222A1 (en) 2007-02-19 2008-01-23 Printed identification document and process for printing such a document
JP2009549860A JP2010519070A (en) 2007-02-19 2008-01-23 ID document by printing and process for printing such a document
EP08702353A EP2121342A1 (en) 2007-02-19 2008-01-23 Printed identification document and process for printing such a document

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