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EP2625041B1 - Procédé de fabrication d'une caractéristique de sécurité - Google Patents

Procédé de fabrication d'une caractéristique de sécurité Download PDF

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Publication number
EP2625041B1
EP2625041B1 EP11784975.2A EP11784975A EP2625041B1 EP 2625041 B1 EP2625041 B1 EP 2625041B1 EP 11784975 A EP11784975 A EP 11784975A EP 2625041 B1 EP2625041 B1 EP 2625041B1
Authority
EP
European Patent Office
Prior art keywords
printing
security feature
pattern
substrate
printed
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
EP11784975.2A
Other languages
German (de)
English (en)
Other versions
EP2625041A1 (fr
Inventor
Franziska Peinze
Henrik Ramuta
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.)
Bundesdruckerei GmbH
Original Assignee
Bundesdruckerei GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bundesdruckerei GmbH filed Critical Bundesdruckerei GmbH
Priority to PL11784975T priority Critical patent/PL2625041T3/pl
Publication of EP2625041A1 publication Critical patent/EP2625041A1/fr
Application granted granted Critical
Publication of EP2625041B1 publication Critical patent/EP2625041B1/fr
Active 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
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/008—Sequential or multiple printing, e.g. on previously printed background; Mirror printing; Recto-verso printing; using a combination of different printing techniques; Printing of patterns visible in reflection and by transparency; by superposing printed artifacts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/24—Inking and printing with a printer's forme combined with embossing
    • 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

Definitions

  • the present invention relates to a method for producing a security feature intended for a value and / or security document.
  • Security and / or security documents such as identification documents, such as passports or identity cards, are used in a variety of ways.
  • the security features used in the security and / or security documents can only serve to prove the authenticity of the documents, regardless of their nature or by their user.
  • Such security elements are, for example, mottled fibers, guilloches, the special paper of banknotes and the like.
  • Personalizing, including personalizing, security elements also contain in coded form or in plain text information about the type of document, the user of the document or an object to which the document is uniquely assigned. In the case of assignment to a person, these are personalizing security elements. Such information may be a user's facial image, personal information such as name, birthday, birthplace, signature, or a personal identifier such as a member number.
  • Another security element that individualizes the document can be, for example, a serial number of the document.
  • the security and / or security documents are generally at least partially printed with information and / or patterns that substantiate the authenticity of the document.
  • it is off DE 14 27 626 a method for producing guilloches, a fine, according to certain geometric laws entwined network line, known.
  • Guilloche lines in the form of depressions in printing plates are produced in a gravure printing process for their production.
  • Motifs on banknotes are typically formed by a steel engraving gravure printing process.
  • DE 10 2008 013 322 A1 is a method for treating a substrate described in which the substrate is simultaneously provided on a first side with a printed information and on a second side with an embossed information.
  • the counter-pressure cylinder opposite the impression cylinder has a microstructured surface, so that the printing material is printed by means of the forme cylinder and embossed by means of the impression cylinder.
  • DE 10 2007 052 947 A1 is a polymer layer composite comprising at least one polymer layer of a polycarbonate polymer based on bisphenol A and also containing a polycarbonate polymer ink jet printing layer on this polymer layer described.
  • This polymer layer composite can be used to produce a security and / or value document.
  • the printing material is kept as flat as possible in order to ensure perfect transfer of the desired print image from the printing plate or from the printing cylinder or from the digital original to the printing material.
  • security feature in the description of the invention and in the claims, it is to be understood as a physical object which is either a component of a value and / or security document and thus permanently connected to the document, so that this physical object is insofar is part of the document. Or it is to be understood as a physical object (security element) which is separate from a value and / or security document and which can be incorporated into such a document or incorporated into such a document.
  • the security feature in this case may be a patch which is applied to a film which is subsequently integrated into a polymer layer composite used to produce a value and / or security document, or to the security document itself, for example a banknote.
  • the term "relief-like” is used in the description of the invention and in the claims, it is to be understood as a surface in the form of a relief.
  • the surface in the present case is that of the printing substrate and, if appropriate, the printing substrate.
  • the associated property of the surface is that the substrate or the printing substrate has a three-dimensional surface structure: For example, the substrate or the printing substrate, starting from a base plane with a flat arrangement of the printing material or the printing substrate, surveys and / or depressions , If the term “relief-like” refers to the printing substrate, a depression in the relief may additionally have openings which pass through the printing substrate, or a depression may consist entirely of such a continuous opening.
  • pattern is used in the description of the invention and in the claims, it is to be understood as meaning a two-dimensional structure which is perceptible to the naked eye or only with the aid of aids, for example a magnifying glass or a microscope.
  • a pattern may be composed of picture elements which, however, typically can no longer be resolved with the naked eye, or else be formed by a change of already existing picture elements of another pattern, so that a superposition of the already existing first pattern results with the second pattern
  • the pattern may be of any abstract shape, such as lines such as guilloches, faces, any combination, or alternatively characters such as alphanumeric characters including special characters such as dots, commas, parentheses, and strokes, or the pattern may be an image represent, for example, the face image of the document holder or a representation of certain objects, such as coats of arms.
  • a pattern may, in the sense understood here, also be an uncoloured or evenly colored surface without structures therein or a solid colored surface provided with color changes, for example a background print.
  • the method according to the invention serves to produce a novel security feature intended for a value and / or security document.
  • the method comprises printing on a printing substrate with a printing layer in the form of a first primary pattern.
  • the printing material is deformed in relief during printing with the printing layer to form a second secondary pattern. This deformation takes place only temporarily, namely only during the printing process. Subsequently, the deformation of the printing material is reversed, i. the printing material is converted back into the usual planar configuration.
  • the relief-like deformation can be formed in any manner.
  • the relief-like deformation creates a second secondary pattern in the print layer forming the first primary pattern.
  • the second secondary pattern therefore overlays the first primary pattern.
  • the security feature for a value and / or security document produced by the method according to the invention accordingly comprises a printing substrate and a first primary pattern applied to at least one surface of the printing substrate, which is formed by a printing layer.
  • the printing layer is changed by a relief-like deformation of the printing material during the printing process, so that the first primary pattern is superposed by the relief-like deformation with the second secondary pattern.
  • the second secondary pattern may already be visible to the naked eye in the first primary pattern.
  • the change in the print layer by the relief-like deformation of the printing material during the printing process but only with the aid of additional tools, such as a magnifying glass or a microscope recognizable.
  • the security and / or security document contains at least one security feature produced by the method according to the invention.
  • the relief-like deformation is formed in the form of the second pattern, and the printing layer in the form of the first pattern is printed on the thus deformed printing material.
  • the inkjet printing method which is a raster printing method
  • it does not naturally depend on a varying contact pressure. Rather, in this case, it is to be assumed that the spacing of the inkjet printing nozzles from the printing substrate surface, which varies as a result of the topography of the deformed printing substrate, and in particular the varying angle between the droplet web and a local surface element of the printing stock on which the ink droplet impinges, leads to different printed images.
  • an ink drop which impinges perpendicular to the surface of the printing material in a conventional manner form a round pressure point
  • a pressure drop, the other than in a conventional manner - at an angle ⁇ 90 ° incident on the surface one of the forms round shape deviating, for example, elongated, pressure point shape.
  • the pressure points tend in the process according to the invention to run into each other.
  • the printing dots are juxtaposed and kept separate from each other, at least when the substrate does not convey excessive diffusion of the printing ink in the printing material in the lateral direction.
  • the distance between the printing nozzle and the printing material surface also has a changing effect on the shape of the printing dot in the aforementioned manner.
  • the printed image of the first pattern is rastered using a contact printing method, ie the printed image of the first pattern in this case in individual pressure points (pressure elements) is resolved, the modification of the first pattern by the generated by the relief-like deformation of the printing second pattern as in contactless process in a distortion of the individual pressure points exist, since in this case a change in the shape of the pressure points of the first pattern is caused by the relief-like deformation of the printing material, for example, the impression cylinder in the offset printing process in this case at the individual pressure points below different angle to the substrate.
  • the pressure points are intertwined, which is not the case with a conventional printing method.
  • the superposition of the first pattern with the second pattern may not be perceptible to the naked eye, so that an attempt to forgery or falsification fails because a forger overlooks this security feature.
  • an adjustment by means of conventional printing methods is not possible because the shape of the printed images generated by these methods is designed differently than when using the method according to the invention, so that there is a novel and tamper-proof security feature.
  • the security feature may be considered as a printable "watermark” because it may be in the form of an "imprint” in the form of the second pattern in the first pattern.
  • a texture may be created within a color layer, such as within a face image of a person or other subject, a monochrome or multicolor background print, a halftone image, an iris print or a guilloche print.
  • the structure of the second pattern may for example consist of lines, in particular guilloches, symbols, alphanumeric characters, crests and the like and serve only as an authentication feature or as an individualizing, including personalizing, feature.
  • the second pattern may be in the form of a serial number or a value of the document.
  • the printing layer in the form of the first pattern is produced according to the invention in a conventional manner using any printing method.
  • the printing method may be a contact printing method, particularly a high-pressure, gravure, planographic printing, through-printing, or a combination of these methods, or a non-contact printing method, for example, an ink-jet printing method.
  • Particularly preferred in the case of the contact printing methods are the screen printing method and the doctor blade method.
  • Also applicable are the offset printing process, flexographic printing and the laser printing process.
  • the printing process may be a rotation process. According to the invention, either a printing ink or a printing ink or a varnish can be printed using these methods.
  • the printing substrate used for the production of the security feature may be a film or paper, or it may contain a film and / or paper material.
  • the printing material can be in a sheet format or alternatively in roll form. In principle, all materials which are customary in the field of value and / or security documents can be used as materials for the printing material.
  • the polymer materials can, identically or differently, be based on a polymer material from the group comprising polycarbonate (PC), in particular bisphenol A polycarbonate, polyethylene terephthalate (PET), polymethyl methacrylate (PMMA), thermoplastic polyurethane elastomers (TPU), polyethylene (PE) , Polypropylene (PP), polyimide (PI), poly-trans-isoprene, polyvinyl chloride (PVC), and copolymers of such polymers.
  • the printing material can consist of these polymers or contain these.
  • the substrate can also consist of paper, cardboard or fabric or contain these materials.
  • the substrate can also consist of or contain a mixture of the aforementioned materials or consist of a composite of individual ones of these materials.
  • the printing substrate or parts of the printing substrate can be transparent or translucent or semitransparent or opaque. In an otherwise opaque document, at least one transparent or translucent or semitransparent window may also be present.
  • the security feature can be formed in or on a document layer of a value and / or security document that represents an inner document layer or an outer document layer in the finished document.
  • Security and / or security documents may include: identity cards, passports, ID cards, access control cards, visas, tickets, driving licenses, motor vehicle papers, securities, credit cards, chip cards, banknotes and the like.
  • the second pattern overlying the first pattern is produced by the relief-like deformation of the printing material according to the invention during the printing process for the first pattern.
  • This deformation is preferably generated by a relief-like surface structure of a flat (or alternatively in a suitable arrangement for this purpose curved) pad, on which the substrate during printing rests and is preferably fixed.
  • the printing material can be deformed in relief by depressions and / or elevations in the surface of the printing substrate.
  • the printing substrate may be placed on a printing table during the printing process, for example.
  • the printing substrate is structured in this case relief-like and thus has depressions and / or elevations.
  • the printing material is based on the relief structure of the surface of the printing substrate when printing in whole or in part.
  • the relief structure is produced, for example, by an embossing process (embossing, embossing) or by an etching process, for example a chemical etching process.
  • the printing substrate may in particular be made of metal, for example stainless steel, but possibly also of another material, for example of plastic.
  • the relief structure of the printing substrate can also be changeable, for example, to introduce individualizing information about the second pattern in the value and / or security document.
  • individualizing information may, for example, be introduced in the form of a barcode or in plain text and, for example, be a passport number or other serial number, the name of the document holder, for example the passport holder.
  • a segmented structure of the printing substrate can be used, for example, which is realized by raising individual segments in the substrate, for example beams or needles, or by exchanging clichés in the substrate.
  • the printing material can be sucked in a preferred embodiment of the invention during printing in the wells.
  • continuous openings in the printing substrate such as holes, slots or other shaped openings may be located, or the wells are made entirely from such continuous openings, so that the substrate can be sucked into the wells by means of a mediated via the openings negative pressure. If the wells are completely out of the through holes, the wells will be for formation
  • the second pattern desired arrangement ie they have a round, square, rectangular or otherwise shaped cross-section, approximately in the form of a symbol.
  • a recess can also accommodate a plurality of openings.
  • the substrate can be specifically sucked into the wells through these openings, such as holes or punched holes in the printing substrate.
  • the printing substrate may be porous, in particular microporous, and the printing material sucked by means of the porosity of the printing substrate mediated negative pressure to the surface of the printing substrate and, for example, be sucked into the wells. Due to the porosity of the printing substrate, a vacuum acting evenly over the surface of the substrate is exerted on the underside of the printing substrate. In the area of depressions in the surface of the printing substrate, the printing material can therefore be sucked into it. Moreover, the uniform suction of the printing material on the porosity of the printing substrate ensures a flat fixation of the printing material during the printing process.
  • a negative pressure can be selectively generated in the region of the wells, so that the substrate in this Areas the shape of the wells safely assumes.
  • the printing material is heated during the printing process in order to increase its deformability.
  • a printing substrate made of polycarbonate can invest better when heated to the relief structure of the substrate to take over the relief structure.
  • the pad can be heated.
  • the printing substrate will not only assume the form of the depressions when being fixed to the printing substrate, for example, be sucked into it, but will automatically also be attached to the corresponding relief structure Adjust pressure pad and also experience a corresponding relief-like deformation in the form of surveys.
  • the elevations may be, for example, needles or beams projecting from the surface of the printing substrate.
  • the printing substrate can be additionally pressed during the printing on the surface of the printing substrate.
  • the printing material is pressed onto the printing substrate via the printing cylinder or the printing form used in screen printing, so that it is additionally possible for the printing material to intimately conform to the surface of the printing substrate.
  • the printing is carried out with a contactless printing method.
  • the printing material can be deformed in relief by appropriate shaping of the surface of the printing substrate.
  • the substrate can be sucked as previously explained by means of a negative pressure to the surface of the printing substrate.
  • the printing material in this case can not be additionally pressed from the printing side to the printing substrate.
  • the contactless printing method can be an ink-jet printing method, whereby all common ink-jet printing methods can be used, in particular the drop-on-demand method (DOD), in which individual ink drops are shot at the printing substrate, or the continuous ink jet method (CIJ), in which a continuous ink jet is sprayed onto the substrate.
  • DOD drop-on-demand method
  • CIJ continuous ink jet method
  • a first primary pattern is printed in a conventional manner, and by the relief-like deformation of the printing material in the form of the second secondary pattern, the printing layer is modified in the form of this first primary pattern, so that the second Pattern overlaid with the first pattern is generated.
  • the second pattern is preferred for a flat printing appears by different shades of color in the print layer, the second pattern manifests itself in the case of a screening of the printed image and in particular in a pressure layer generated by a contactless printing process in a modification of the shape of the pressure points.
  • FIG. 1 shown schematic arrangement (in the upper part in cross section and in the lower part in plan view) is used to carry out the method according to the invention for producing a security feature 8:
  • a printing pad 1 is placed on a printing table 2.
  • depressions 3 which together form a relief-like surface structure of the printing substrate.
  • pressure pad penetrating holes 4 Through these holes, a negative pressure can be applied to the wells.
  • a substrate 5 On the printing substrate 1 is a substrate 5, for example, a paper sheet, placed. This is pulled over the negative pressure in the region of the recesses 3 in this, so that also result in recesses on the surface of the paper sheet.
  • a sheet-like printing layer 6 is printed as a first primary pattern on the surface of the paper sheet.
  • regions 7 form as a second secondary pattern with a color shading of the print layer modified relative to the respective environment. This is in the lower part of the illustration played.
  • the structure of the darker areas within the two-dimensional printing layer can be used as a security feature 8 according to the invention.
  • Fig. 2 is a view of a printed image enlarged so that the individual pressure points are visible.
  • This print image is obtained by the method according to the invention using a DOD ink jet printing process.
  • the structures 10 shown in each case are printing dots obtained with one ink droplet each. Taken together, the ink droplets form a first primary pattern that can not be shown in its entirety because of the magnification to illustrate the pressure points.
  • In the central area of the printing structure is a relief-like deformation of the printing material in the form of a recess 11 which is part of a second secondary pattern.
  • the depression changes the shape of the pressure points located in their area.

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  • Printing Methods (AREA)

Claims (10)

  1. Procédé servant à fabriquer une caractéristique de sécurité (8) définie pour un document de valeur et/ou de sécurité, comprenant l'impression d'un support d'impression (5) avec une couche d'impression (6) sous la forme d'un premier motif, caractérisé en ce que le support d'impression (5) est déformé temporairement à la manière d'un relief au cours de l'impression en formant un deuxième motif, dans lequel la déformation est rendue réversible immédiatement après.
  2. Procédé servant à fabriquer la caractéristique de sécurité (8) selon la revendication 1, caractérisé en ce que le support d'impression (5) repose lors de l'impression sur un substrat d'impression (1) plat et est déformé à la manière d'un relief par une structure superficielle (3) de type relief du substrat d'impression (1).
  3. Procédé servant à fabriquer la caractéristique de sécurité (8) selon l'une quelconque des revendications précédentes, caractérisé en ce que le support d'impression (5) est déformé à la manière d'un relief par des renfoncements (3) et/ou des parties surélevées à la surface du substrat d'impression (1).
  4. Procédé servant à fabriquer la caractéristique de sécurité (8) selon la revendication 3, caractérisé en ce que le substrat d'impression (1) est poreux, et le support d'impression (5) est introduit par aspiration dans les renfoncements (3) au moyen d'une dépression établie par l'intermédiaire de la porosité du substrat d'impression (1).
  5. Procédé servant à fabriquer la caractéristique de sécurité (8) selon l'une quelconque des revendications 3 et 4, caractérisé en ce que des ouvertures (4) continues dans la zone des renfoncements (3) se trouvent dans le substrat d'impression (1), et que le support d'impression (5) est aspiré au niveau de la surface du substrat d'impression (1) au moyen d'une dépression établie par l'intermédiaire des ouvertures (4).
  6. Procédé servant à fabriquer la caractéristique de sécurité (8) selon l'une quelconque des revendications 2 - 5, caractérisé en ce que le support d'impression (5) est pressé sur la surface du substrat d'impression (1) au cours de l'impression.
  7. Procédé servant à fabriquer la caractéristique de sécurité (8) selon l'une quelconque des revendications précédentes, caractérisé en ce que le support d'impression (5) est réchauffé au cours de l'impression.
  8. Procédé servant à fabriquer la caractéristique de sécurité (8) selon l'une quelconque des revendications 1 - 5, caractérisé en ce que l'impression est effectuée avec un procédé d'impression sans contact.
  9. Procédé servant à fabriquer la caractéristique de sécurité (8) selon la revendication 7, caractérisé en ce que l'impression est effectuée avec un procédé d'impression à jet d'encre.
  10. Procédé servant à fabriquer la caractéristique de sécurité (8) selon l'une quelconque des revendications précédentes, caractérisé en ce que le support d'impression (5) est un film ou du papier, ou contient un matériau en film et/ou en papier.
EP11784975.2A 2010-11-09 2011-11-08 Procédé de fabrication d'une caractéristique de sécurité Active EP2625041B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11784975T PL2625041T3 (pl) 2010-11-09 2011-11-08 Sposób wytwarzania cechy zabezpieczającej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010043652 DE102010043652A1 (de) 2010-11-09 2010-11-09 Sicherheitsmerkmal, Verfahren zu dessen Herstellung und das Sicherheitsmerkmal enthaltendes Wert- und/oder Sicherheitsdokument
PCT/EP2011/069631 WO2012062742A1 (fr) 2010-11-09 2011-11-08 Caractéristique de sécurité, procédé pour sa fabrication et document de valeur et/ou de sécurité contenant cette caractéristique de sécurité

Publications (2)

Publication Number Publication Date
EP2625041A1 EP2625041A1 (fr) 2013-08-14
EP2625041B1 true EP2625041B1 (fr) 2018-06-20

Family

ID=44999753

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11784975.2A Active EP2625041B1 (fr) 2010-11-09 2011-11-08 Procédé de fabrication d'une caractéristique de sécurité

Country Status (5)

Country Link
EP (1) EP2625041B1 (fr)
CN (1) CN103502017B (fr)
DE (1) DE102010043652A1 (fr)
PL (1) PL2625041T3 (fr)
WO (1) WO2012062742A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3110734B1 (fr) * 2020-05-20 2022-07-29 Smart Packaging Solutions Module électronique pour carte à puce avec motifs de sécurité

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Publication number Priority date Publication date Assignee Title
DE1427626A1 (de) 1962-10-22 1968-11-14 Oldenbourg Graphische Betr E G Verfahren und Einrichtung zur Herstellung von Guillochen enthaltenden Druckplatten
DE8236980U1 (de) * 1982-12-31 1985-06-13 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Ausweiskarte
DE19746268A1 (de) * 1997-10-20 1999-04-22 Giesecke & Devrient Gmbh Verfahren und Vorrichtung zur Herstellung eines Folienmaterials
US7357077B2 (en) * 2000-09-08 2008-04-15 Giesecke & Devrient Gmbh Data carrier, method for the production thereof and gravure printing plate
DE10333255B3 (de) * 2003-07-21 2005-01-13 Leonhard Kurz Gmbh & Co. Kg Verfahren zur Erzeugung eines Flächenmusters hoher Auflösung
US20050064151A1 (en) * 2003-09-18 2005-03-24 Rajendra Mehta Ink jet printable security document
DE102008013322A1 (de) * 2007-03-30 2008-10-02 Heidelberger Druckmaschinen Ag Druckwerk einer Bedruckstoff verarbeitenden Maschine
DE102007052947A1 (de) 2007-10-31 2009-05-07 Bayer Materialscience Ag Verfahren zur Herstellung eines Polycarbonat-Schichtverbundes
WO2010042999A1 (fr) * 2008-10-17 2010-04-22 Securency International Pty Ltd Procédé et appareil d’enregistrement pour éléments imprimés et estampés

Non-Patent Citations (1)

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Title
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Also Published As

Publication number Publication date
CN103502017B (zh) 2016-11-16
CN103502017A (zh) 2014-01-08
DE102010043652A1 (de) 2012-05-10
PL2625041T3 (pl) 2018-09-28
WO2012062742A1 (fr) 2012-05-18
EP2625041A1 (fr) 2013-08-14

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