EP1631459A1 - Security document and method for the production thereof - Google Patents

Security document and method for the production thereof

Info

Publication number
EP1631459A1
EP1631459A1 EP04742772A EP04742772A EP1631459A1 EP 1631459 A1 EP1631459 A1 EP 1631459A1 EP 04742772 A EP04742772 A EP 04742772A EP 04742772 A EP04742772 A EP 04742772A EP 1631459 A1 EP1631459 A1 EP 1631459A1
Authority
EP
European Patent Office
Prior art keywords
pattern
substances
security document
security
document according
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.)
Granted
Application number
EP04742772A
Other languages
German (de)
French (fr)
Other versions
EP1631459B1 (en
Inventor
Sandrine Rancien
Nathalie Vast
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.)
Oberthur Fiduciaire SAS
Original Assignee
ArjoWiggins SAS
ArjoWiggins Security SAS
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
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Application filed by ArjoWiggins SAS, ArjoWiggins Security SAS filed Critical ArjoWiggins SAS
Publication of EP1631459A1 publication Critical patent/EP1631459A1/en
Application granted granted Critical
Publication of EP1631459B1 publication Critical patent/EP1631459B1/en
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • 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
    • B41M3/144—Security printing using fluorescent, luminescent or iridescent effects
    • 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
    • B41M3/146—Security printing using a non human-readable pattern which becomes visible on reproduction, e.g. a void mark

Definitions

  • the present invention relates to a security document with a paper or plastic substrate comprising as a security means, to guard against falsification and counterfeiting of payment documents or official documents, at least one security reason.
  • the invention advocates a new technical solution to solve the problem of preventing the forgery and counterfeiting of payment documents and official documents, which is based on the use of a new security means.
  • This technical solution also allows for better authentication.
  • One of the aims of the invention is to propose a new security means that prevents reproduction, for example by color photocopying, of said security document.
  • Another object of the invention is to also propose a new security means which makes it possible to add to said security document a certain number of information or signs which can be read in whole or in part only under particular conditions. observation or using a suitable apparatus, in particular that are not directly visible to the user under normal observation conditions.
  • the idea of the Applicant is therefore to affix on the said security document a unique security motif, which combines both the property of preventing photocopying and of being readable in whole or in part only under particular conditions. observation or using a suitable apparatus.
  • a first solution envisaged by the Applicant was in fact to use a pattern formed in part from substances having an interference effect.
  • the iridescent substances that can be used according to the invention, mention may be made in particular of mother-of-pearl extracts, lead salts and micas.
  • the preferred substances are micas, because mother-of-pearl extracts are very expensive, and lead salts imply, because of their toxicity, the respect of very strict hygiene and safety rules.
  • micas coated with at least one metal oxide and in particular the products marketed by Merck AG under the name Iriodine, these products being micas coated with TiO, with, where appropriate, at least one other metal oxide.
  • optically variable particles called "OVP" by those skilled in the art, in the form of a thin film obtained by lamination of one or more dielectric layers between one or more metal layers reflective.
  • hues taken by these structures depend in fact on the constituent material of each layer, the sequence and the number of layers, the thickness of each layer as well as the production process of the film itself.
  • polymeric multilayer films formed by alternating more or less reflective layers.
  • the Applicant has therefore had the idea of using in the same security reason at the same time a means capable of preventing its reproduction by a process of reprography and a means capable of rendering undetectable certain information or signs of this motif in the same way. lack of adequate reading conditions.
  • phosphorescent, fluorescent, infrared or radiation-sensitive substances are particularly ultraviolet, thermochromic, photochromic as well as all substances exitable by the microwave, magnetic or electric fields.
  • UV-reactive substances mention may be made of pigments re-emitting in the visible during excitation at wavelengths of 365 nm or 254 nm, such as inorganic pigments or organic pigments supplied by Nemoto and Honeywell. Also exemplary are pigments re-emitting with a different color at the 2 wavelengths previously mentioned as the pigment CD R / G I from Honeywell.
  • up-converter or antistoke pigments which are excited in the IR and which re-emit in the visible such as Honeywell's LUMILUX UC6 pigment.
  • pigments which are excited in the UV and which re-emit in the IR such as Honeywell's IR CD 139 pigment which is excited at a wavelength close to 300 nm and re-transmits between 900 and lOOOnm.
  • the pigments that are excited in the IR and re-emit in IR such as Honeywell's IR CD 170 pigment which is excited under a wavelength of 620nm and re-emits around 1050nm.
  • thermochromic substances mention may be made of the MATSUI products referenced CHROMICOLOR Aqualite AQ ink. These products are colored at room temperature and become colorless at a higher temperature. In this case, a dark color will be used instead for the thermochromic capsules exposed at ambient temperature which, combined with the substances having an interference effect and under normal observation conditions, give a reinforced interference appearance.
  • the underlying dark color makes the effect of variable color more clearly apparent as a function of the angle of inclination of the support produced by the substances having an interferential effect.
  • thermochromic substances will fade, thus allowing the interference substances to present a visually different aspect.
  • photochromic substances there may be mentioned, for example, MATSUI products referenced PHOTOPIA AQ ink which have a reversible reaction from colorless to colored under the action of white light or UV.
  • Substances with an interferential effect could also be associated with substances that respond to certain stimuli, such as magnetic, electrical, electromagnetic or microwave type, by emitting a specific detectable signal by means of a suitable apparatus.
  • These substances may, in particular, be metallic substances reacting to a microwave excitation, such as 316L stainless steel, so-called soft or hard magnetism substances having a characteristic response under a given magnetic field, such as, for example, the hard magnetic substances provided. by the Pyral company, or else substances having a certain conductivity in an electric field, such as very thin foaming aluminum powder of size less than 50 .mu.m provided by the company RADIUM BRONZE.
  • These latter particles in view of their high reflection, could, in addition, alter the effect of varying colors produced by the interference substances under normal conditions of observation.
  • the overall security pattern is a combination of a pattern formed from substances having an interference effect and a pattern formed from substances having varying optical effects depending on the observation conditions. other than an interferential effect or reacting specifically to certain stimulations.
  • a simple technical solution to achieve this result is to apply on a paper or plastic substrate a layer consisting of a proportioned mixture of the two substances: the two patterns will be, in this way, completely identical and will represent the same final security pattern.
  • This layer may, advantageously, be applied by printing, in particular by gravure printing or by screen printing, and will consist of a proportionate mixture of the substances reacting to certain stimulations, such as light radiation or heat, magnetic, electromagnetic or electrical stimulation, in particular. giving a luminous response visible by a human eye or detectable by a suitable device.
  • certain stimulations such as light radiation or heat, magnetic, electromagnetic or electrical stimulation, in particular. giving a luminous response visible by a human eye or detectable by a suitable device.
  • Another technical solution will also be to apply to the security document, successively a layer comprising substances having an interference effect, thereby forming a first security pattern, and a layer comprising substances that react to certain stimulations, such as light radiation or calorific, magnetic, electromagnetic stimulation or electrical, giving a light response visible by a human eye or detectable by a suitable device.
  • certain stimulations such as light radiation or calorific, magnetic, electromagnetic stimulation or electrical
  • the final pattern would be illegible, the letters or signs being half-truncated, for example.
  • an external stimulation such as a rise in temperature for example, the final pattern would appear in its entirety.
  • the final pattern would, in this way, have a uniform interference effect according to the first pattern, the second pattern then being invisible.
  • an external stimulation such as a light emitting ultraviolet radiation for example, the second alpha-numeric type pattern would be revealed the time of the stimulation.
  • the document having, for example, not undergone an intermediate operation intended to reveal the second pattern, in particular by exposure to certain stimulations of the luminous, thermochromic or photochromic type, will necessarily include a truncated barcode final pattern and, therefore, illegible at using a suitable reading device.
  • the final pattern would combine a first pattern formed of alphanumeric data and a second pattern constituting a barcode.
  • An object of the present invention is therefore to provide a security document, useful in particular to guard against falsification and counterfeiting of payment documents and official documents by reproduction, characterized in that it comprises as security means a reason security device (M) consisting of a first unit (M1) formed from substances having an interferential effect and a second unit (M2) formed from substances that react to certain stimulations, such as light radiation or heat stimulation, magnetic, electromagnetic, electrical or microwave type, giving a visible light response by a human eye or a specific signal detectable using a suitable device.
  • M reason security device
  • the substances having an interferential effect are chosen from iridescent particles, in particular from the group consisting of mother-of-pearl extracts, lead salts and micas.
  • the iridescent substances are micas coated with at least one metal oxide, and preferably a mica coated with Ti0 2 .
  • the substances having an interferential effect are formed from a thin film obtained by lamination of one or more dielectric layers between one or more reflective metal layers.
  • the substances having an interferential effect are liquid crystal pigments or liquid crystals.
  • the substances having an interferential effect are formed from a polymeric multilayer film, consisting of an alternation of more or less reflective layers.
  • the substances that react to certain stimulations by giving a visible light response by a human eye are chosen from the group consisting of phosphorescent, fluorescent, infrared-sensitive or ultraviolet-ray, thermochromic or photochromic.
  • the substances reacting to certain stimulations by giving a specific detectable signal by means of a suitable apparatus are the substances reacting with magnetic, electric, electromagnetic or microwave-type fields.
  • the first pattern (M1) completely covers the second pattern (M2) or vice versa.
  • the first pattern (M1) partially overlaps the second pattern (M2) or vice versa.
  • first pattern (M1) and the second pattern (M2) are contiguous.
  • the security pattern (M) is an alphanumeric pattern.
  • the security pattern (M) is a barcode type pattern.
  • the pattern (M1) is an alphanumeric pattern and the pattern (M2) is a barcode type pattern.
  • the pattern (M1) has a gloss value greater than 12, brightness measured according to ISO 2813 using a "Gardner” type gloss meter with a measurement angle of 75 °.
  • the security document is a bank note.
  • Another object of the present invention is to propose a method for manufacturing a security document, as described above, characterized in that a security pattern is affixed to the substrate of said security document.
  • M consisting of a first pattern (M1) formed from substances having an interferential effect and a second pattern (M2) formed from substances reacting to certain stimulations, such as light radiation or heat stimulation, magnetic, electromagnetic, electric or microwave type, giving a visible light response by a human eye or a specific signal detectable using a suitable device.
  • the units (M1) and (M2) are simultaneously applied by depositing a single layer comprising a mixture of substances having an interferential effect and substances that react to certain stimulations, such as light radiation or stimulation. heat, magnetic, electromagnetic, electrical or microwave type, giving a light response visible by a human eye or a specific signal detectable using a suitable device.
  • certain stimulations such as light radiation or stimulation. heat, magnetic, electromagnetic, electrical or microwave type, giving a light response visible by a human eye or a specific signal detectable using a suitable device.
  • the units (M1) and (M2) are applied separately, by successive deposition of a layer comprising substances having an interferential effect and a layer comprising substances that react to certain stimulations, such as as light radiation or calorific, magnetic, electromagnetic, electrical or microwave-type stimulation, giving a light response visible by a human eye or a specific signal detectable using a suitable device, or vice versa.
  • certain stimulations such as as light radiation or calorific, magnetic, electromagnetic, electrical or microwave-type stimulation, giving a light response visible by a human eye or a specific signal detectable using a suitable device, or vice versa.
  • the units (M1) and (M2) are applied by screen printing or by gravure printing.
  • the substrate is a paper for bank note.

Abstract

The invention relates to a security document which is especially useful for guarding against falsification and counterfeit of payment vouchers or official documents by reproduction. Said security document is characterised in that it has a securement pattern (M) as a security means, said securement pattern consisting of a first pattern (M1) formed from substances having an interfering effect, and a second pattern (M2) formed from substances which react to certain forms of stimulation - such as luminous radiation or calorific, magnetic, electromagnetic, electric or microwave-type forms of stimulation - by a luminous response which is visible to the naked eye or by a specific signal that can be detected by means of an adapted appliance. The invention also relates to a method for producing said document.

Description

DOCUMENT DE SECURITE ET SON PROCEDE DE FABRICATION SECURITY DOCUMENT AND METHOD FOR MANUFACTURING THE SAME
La présente invention concerne un document de sécurité avec un substrat en papier ou en plastique comportant comme moyen de sécurité, pour se prémunir contre les falsifications et contrefaçons de pièces de paiement ou de documents officiels, au moins un motif de sécurisation.The present invention relates to a security document with a paper or plastic substrate comprising as a security means, to guard against falsification and counterfeiting of payment documents or official documents, at least one security reason.
On sait que, pour se prémunir contre les falsifications et contrefaçons de pièces de paiement ou de documents officiels, tels que billets de banque, chèques, livrets d'épargne, bons de caisse, livres comptables, titres, actes notariés, cartes de crédit, cartes d'identité et passeports, on a envisagé dans le passé plusieurs techniques fondées sur l'utilisation de moyens de sécurité tels que les filigranes, d'une part, et les fils, fibres et planchettes colorées, métallisés ou magnétisables, l'état de la technique étant illustré par la description du brevet britannique n°l 127 043.We know that, to guard against falsifications and counterfeits of payment documents or official documents, such as banknotes, checks, savings books, cash vouchers, account books, securities, deeds, credit cards, identity cards and passports, several techniques based on the use of security means such as watermarks, and colored, metallized or of the art being illustrated by British Patent Specification No. 1,127,043.
Selon l'invention, on préconise une nouvelle solution technique pour résoudre le problème de la prévention de la falsification et de la contrefaçon des pièces de paiement et des documents officiels, qui repose sur l'utilisation d'un nouveau moyen de sécurité. Cette solution technique permet aussi une meilleure authentification.According to the invention, it advocates a new technical solution to solve the problem of preventing the forgery and counterfeiting of payment documents and official documents, which is based on the use of a new security means. This technical solution also allows for better authentication.
Un des buts de l'invention est de proposer un nouveau moyen de sécurité qui empêche la reproduction, par photocopie couleur par exemple, dudit document de sécurité.One of the aims of the invention is to propose a new security means that prevents reproduction, for example by color photocopying, of said security document.
Un autre but de l'invention est de proposer également un nouveau moyen de sécurité qui permette d'ajouter audit document de sécurité un certain nombre d'informations ou de signes qui ne soient lisibles en totalité ou en partie que dans des conditions particulières d'observation ou à l'aide d'un appareil adapté, en particulier qui ne soient pas directement visibles par l'utilisateur dans des conditions normales d'observation. L'idée de la Demanderesse est donc d'apposer sur ledit document de sécurité un motif de sécurisation unique, qui combine à la fois la propriété d'empêcher la photocopie et de n'être lisible en totalité ou en partie que dans des conditions particulières d'observation ou à l'aide d'un appareil adapté.Another object of the invention is to also propose a new security means which makes it possible to add to said security document a certain number of information or signs which can be read in whole or in part only under particular conditions. observation or using a suitable apparatus, in particular that are not directly visible to the user under normal observation conditions. The idea of the Applicant is therefore to affix on the said security document a unique security motif, which combines both the property of preventing photocopying and of being readable in whole or in part only under particular conditions. observation or using a suitable apparatus.
Une première solution envisagée par la Demanderesse a été en fait d'utiliser un motif formé en partie à partir de substances possédant un effet interférentiel.A first solution envisaged by the Applicant was in fact to use a pattern formed in part from substances having an interference effect.
En effet, certaines substances possèdent la propriété de produire, en fonction de l'angle d'observation, un effet coloré variable.Indeed, some substances possess the property of producing, depending on the angle of observation, a variable color effect.
Lors d'une photocopie, cet effet optique étant impossible à reproduire par les techniques actuelles, il est alors facile de détecter les documents de sécurité contrefaits par leur absence desdits effets interférentiels, et donc desdites substances.During a photocopy, this optical effect being impossible to reproduce by current techniques, it is then easy to detect counterfeit security documents by their absence of said interference effects, and therefore of said substances.
Parmi les substances présentant un effet interférentiel, il est courant d'utiliser des substances iridescentes.Among substances with an interferential effect, it is common to use iridescent substances.
Parmi les substances iridescentes pouvant être utilisées selon l'invention, on peut notamment citer les extraits de nacre, les sels de plomb et les micas. A ce titre, les substances préférées sont les micas, car les extraits de nacre sont très coûteux, et les sels de plomb impliquent en raison de leur toxicité le respect de règles d'hygiène et de sécurité très strictes.Among the iridescent substances that can be used according to the invention, mention may be made in particular of mother-of-pearl extracts, lead salts and micas. In this respect, the preferred substances are micas, because mother-of-pearl extracts are very expensive, and lead salts imply, because of their toxicity, the respect of very strict hygiene and safety rules.
Parmi les substances iridescentes qui conviennent, on préconise les micas enrobés avec au moins un oxyde métallique, et en particulier les produits commercialisés par la société Merck AG sous le nom de IRIODINE, ces produits étant des micas enrobés de Ti0 avec, le cas échéant, au moins un autre oxyde métallique.Among the iridescent substances which are suitable, it is recommended micas coated with at least one metal oxide, and in particular the products marketed by Merck AG under the name Iriodine, these products being micas coated with TiO, with, where appropriate, at least one other metal oxide.
D'autres substances présentant des phénomènes optiques d'interférence pouvant constituer des systèmes anticopie pour des billets de banque ou d'autres documents de sécurité ont été décrites dans la demande de brevet WO 01/60924.Other substances exhibiting optical interference phenomena that may constitute anti-copying systems for bank notes or other security documents have been described in the patent application WO 01/60924.
Elles font partie des solutions que la Demanderesse a envisagé d'utiliser dans un premier temps. Ce sont, en particulier, des particules optiquement variables, dénommées « OVP » par l'homme de l'art, se présentant sous la forme d'un film fin obtenu par lamination d'une ou plusieurs couches diélectriques entre une ou plusieurs couches métalliques réfléchissantes.They are part of the solutions that the Applicant envisaged to use initially. These are, in particular, optically variable particles, called "OVP" by those skilled in the art, in the form of a thin film obtained by lamination of one or more dielectric layers between one or more metal layers reflective.
Les teintes prises par ces structures dépendent en fait du matériau constitutif de chaque couche, de la séquence et du nombre de couches, de l'épaisseur de chaque couche ainsi que du procédé de production du film lui- même.The hues taken by these structures depend in fact on the constituent material of each layer, the sequence and the number of layers, the thickness of each layer as well as the production process of the film itself.
Ce sont également les pigments de cristaux liquides ou les cristaux liquides.They are also the liquid crystal pigments or the liquid crystals.
Ce sont enfin les films multicouches polymères, formés par alternance de couches plus ou moins réfléchissantes.Finally, they are polymeric multilayer films, formed by alternating more or less reflective layers.
Toutefois, la Demanderesse a constaté que l'utilisation de ce seul moyen de sécurité peut, avec le perfectionnisme croissant des criminels actuels, s'avérer insuffisant pour contrer toutes les tentatives destinées à contrefaire lesdits documents de sécurité.However, the Applicant has found that the use of this only security means may, with the increasing perfectionism of current criminals, be insufficient to counter all attempts to counterfeit said security documents.
La Demanderesse a donc eu l'idée d'utiliser dans un même motif de sécurisation à la fois un moyen capable d'empêcher sa reproduction par un procédé de reprographie et un moyen capable de rendre indétectables certaines informations ou signes de ce motif en l'absence de conditions adéquates de lecture.The Applicant has therefore had the idea of using in the same security reason at the same time a means capable of preventing its reproduction by a process of reprography and a means capable of rendering undetectable certain information or signs of this motif in the same way. lack of adequate reading conditions.
A ce titre, il lui a paru intéressant de combiner dans le même motif de sécurisation des substances présentant un effet interférentiel, telles que vues précédemment, et des substances réagissant à certaines stimulations, tels que rayonnement lumineux ou stimulation calorifique, magnétique, électromagnétique ou électrique, en donnant une réponse lumineuse visible par un œil humain ou détectable par un appareil adapté.As such, it seemed interesting to combine in the same pattern of securing substances with an interference effect, as seen previously, and substances reacting to certain stimulations, such as light radiation or calorific, magnetic, electromagnetic or electrical stimulation , giving a luminous response visible by a human eye or detectable by a suitable device.
Dans ce genre de substances, on trouve notamment les substances phosphorescentes, fluorescentes, sensibles aux rayons infrarouges ou aux rayons ultraviolets, thermochromes, photochromes ainsi que toutes les substances exitables par les champs micro ondes, magnétiques ou électriques.In this type of substance, phosphorescent, fluorescent, infrared or radiation-sensitive substances are particularly ultraviolet, thermochromic, photochromic as well as all substances exitable by the microwave, magnetic or electric fields.
Parmi les substances réagissant aux UV, on pourra citer les pigments réémettant dans le visible lors d'une excitation aux longueurs d'onde de 365nm ou 254nm comme les pigments minéraux ou les pigments organiques fournis par NEMOTO et Honeywell. On pourra aussi citer comme exemple des pigments reémettant avec une couleur différente aux 2 longueurs d'onde précédemment citées comme le pigment CD R/G I de la société Honeywell.Among the UV-reactive substances, mention may be made of pigments re-emitting in the visible during excitation at wavelengths of 365 nm or 254 nm, such as inorganic pigments or organic pigments supplied by Nemoto and Honeywell. Also exemplary are pigments re-emitting with a different color at the 2 wavelengths previously mentioned as the pigment CD R / G I from Honeywell.
On pourra aussi citer les pigments dits up-converter ou antistokes qui sont excités dans l'IR et qui re-émettent dans le visible comme le pigment LUMILUX UC6 de Honeywell.It will also be possible to mention so-called up-converter or antistoke pigments which are excited in the IR and which re-emit in the visible such as Honeywell's LUMILUX UC6 pigment.
De la même façon on pourra utiliser des pigments qui sont excités dans l'UV et qui re-émettent dans l'IR comme le pigment IR CD 139 de Honeywell qui est excité sous une longueur d'onde proche de 300nm et réémet entre 900 et lOOOnm. On notera aussi les pigments qui sont excités dans l'IR et qui re-émettent dans l'IR comme le pigment IR CD 170 d'Honeywell qui est excité sous une longueur d'onde de 620nm et réémet autour de 1050nm.In the same way, it is possible to use pigments which are excited in the UV and which re-emit in the IR, such as Honeywell's IR CD 139 pigment which is excited at a wavelength close to 300 nm and re-transmits between 900 and lOOOnm. Note also the pigments that are excited in the IR and re-emit in IR such as Honeywell's IR CD 170 pigment which is excited under a wavelength of 620nm and re-emits around 1050nm.
En ce qui concerne les substances thermochromes, on pourra citer les produits de MATSUI référencés CHROMICOLOR Aqualite AQ ink. Ces produits sont colorés à température ambiante et deviennent incolores à une température supérieure . On prendra, dans ce cas, plutôt une couleur foncée pour les capsules thermochromes exposées à température ambiante qui donnent, associées aux substances à effet interférentiel et dans des conditions normales d'observation, un aspect interférentiel renforcé.As regards the thermochromic substances, mention may be made of the MATSUI products referenced CHROMICOLOR Aqualite AQ ink. These products are colored at room temperature and become colorless at a higher temperature. In this case, a dark color will be used instead for the thermochromic capsules exposed at ambient temperature which, combined with the substances having an interference effect and under normal observation conditions, give a reinforced interference appearance.
En effet, la couleur foncée sous-jacente fait mieux ressortir l'effet de couleur variable en fonction de l'angle d'inclinaison du support produit par les substances à effet interférentiel.In fact, the underlying dark color makes the effect of variable color more clearly apparent as a function of the angle of inclination of the support produced by the substances having an interferential effect.
Ceci est particulièrement visible lors d'une utilisation de substances à effet interférentiel de type cristaux liquides. Par contre, sous l'action de la température et, généralement, de façon réversible, ces substances thermochromes vont se décolorer, permettant ainsi aux substances interférentielles de présenter un aspect visuellement différent.This is particularly visible when using liquid crystal type interference substances. On the other hand, under the action of temperature and, generally, reversibly, these thermochromic substances will fade, thus allowing the interference substances to present a visually different aspect.
On peut aussi utiliser des substances ayant une réaction inverse au niveau du changement de couleur, d'une absence de couleur vers une couleur sous l'action de la température.It is also possible to use substances having an inverse reaction at the level of the color change, from an absence of color to a color under the action of the temperature.
Pour ce qui est des substances photochromes, on pourra citer par exemple les produits de MATSUI référencés PHOTOPIA AQ ink qui ont une réaction réversible de incolore à coloré sous l'action de la lumière blanche ou des UV.As regards photochromic substances, there may be mentioned, for example, MATSUI products referenced PHOTOPIA AQ ink which have a reversible reaction from colorless to colored under the action of white light or UV.
On pourrait aussi associer aux substances à effet interférentiel, des substances réagissant à certaines stimulations, telles que magnétiques, électriques, électromagnétiques ou de type micro-onde, en émettant un signal spécifique détectable à l'aide d'un appareil adapté.Substances with an interferential effect could also be associated with substances that respond to certain stimuli, such as magnetic, electrical, electromagnetic or microwave type, by emitting a specific detectable signal by means of a suitable apparatus.
Ces substances pourront, notamment, être des substances métalliques réagissant à une excitation micro-onde, comme l'inox 316L, des substances dites à magnétisme doux ou dur présentant une réponse caractéristique sous un champ magnétique donné, comme par exemple les substances magnétiques dures fournies par la société Pyral, ou encore, des substances présentant une certaine conductivité sous champ électrique, comme de la poudre d'aluminium pelliculante très fine de taille inférieure à 50μm fournie par la société RADIUM BRONZE. Ces dernières particules, compte tenu de leur réflexion élevée, pourraient, de surcroît, modifier l'effet de couleur variables produits par les substances interférentielles dans des conditions normales d'observation.These substances may, in particular, be metallic substances reacting to a microwave excitation, such as 316L stainless steel, so-called soft or hard magnetism substances having a characteristic response under a given magnetic field, such as, for example, the hard magnetic substances provided. by the Pyral company, or else substances having a certain conductivity in an electric field, such as very thin foaming aluminum powder of size less than 50 .mu.m provided by the company RADIUM BRONZE. These latter particles, in view of their high reflection, could, in addition, alter the effect of varying colors produced by the interference substances under normal conditions of observation.
On pourra aussi associer entre elles plusieurs des substances précédemment cités pour former ledit motif de sécurisation.Several of the aforementioned substances may also be associated with one another to form said security pattern.
Cette protection multiple associée à un même motif de sécurisation présente de réels avantages.This multiple protection associated with the same security reason has real advantages.
D'une part, elle permet d'aboutir à un motif de sécurisation combinant les propriétés respectives de chacune des substances mises en oeuvre. En effet, les propriétés d'une substance présentant un effet interférentiel ne sont pas ou peu atténuées ou ne disparaissent pas lorsque cette substance est associée aux autres substances précédemment citées.On the one hand, it leads to a security reason combining the respective properties of each of the substances used. Indeed, the properties of a substance having an interferential effect are not or only slightly attenuated or do not disappear when this substance is associated with the other substances mentioned above.
D'autre part, elle peut désorienter un contrefacteur éventuel, pour lequel la présence d'une protection facilement visible à un endroit particulier d'un papier de sécurité n'encourage pas à chercher une autre protection possible au même endroit ou dans une zone contiguë et qui, quant à elle, serait invisible dans des conditions normales d'observation.On the other hand, it can disorient a possible counterfeiter, for which the presence of a protection easily visible at a particular place of a security paper does not encourage to seek another possible protection at the same place or in an adjacent zone and which, for its part, would be invisible under normal conditions of observation.
On peut également envisager le fait que le motif de sécurisation global soit une combinaison d'un motif formé à partir de substances présentant un effet interférentiel et d'un motif formé à partir de substances possédant des effets optiques variables selon les conditions d'observation, autres qu'un effet interférentiel ou réagissant de façon spécifique à certaines stimulations.It can also be envisaged that the overall security pattern is a combination of a pattern formed from substances having an interference effect and a pattern formed from substances having varying optical effects depending on the observation conditions. other than an interferential effect or reacting specifically to certain stimulations.
Les motifs respectifs de chacune des substances pourront, de ce fait, se superposer de manière totale ou partielle ou, au contraire, être contigus.The respective motifs of each of the substances may, therefore, be totally or partially superimposed or, on the contrary, be contiguous.
Une solution technique simple pour obtenir ce résultat est d'appliquer sur un substrat papier ou plastique une couche constituée d'un mélange proportionné des deux substances : les deux motifs seront, de la sorte, totalement identiques et représenteront un même motif de sécurisation final.A simple technical solution to achieve this result is to apply on a paper or plastic substrate a layer consisting of a proportioned mixture of the two substances: the two patterns will be, in this way, completely identical and will represent the same final security pattern.
Cette couche pourra, de manière avantageuse, être appliquée par impression, notamment par héliogravure ou par sérigraphie, et sera constituée d'un mélange proportionné des substances réagissant à certaines stimulations, tels que rayonnement lumineux ou stimulation calorifique, magnétique, électromagnétique ou électrique, en donnant une réponse lumineuse visible par un œil humain ou détectable par un appareil adapté.This layer may, advantageously, be applied by printing, in particular by gravure printing or by screen printing, and will consist of a proportionate mixture of the substances reacting to certain stimulations, such as light radiation or heat, magnetic, electromagnetic or electrical stimulation, in particular. giving a luminous response visible by a human eye or detectable by a suitable device.
Une autre solution technique sera également d'appliquer sur le document de sécurité, successivement une couche comportant des substances présentant un effet interférentiel, formant ainsi un premier motif de sécurisation, et une couche comportant des substances réagissant à certaines stimulations, tels que rayonnement lumineux ou stimulation calorifique, magnétique, électromagnétique ou électrique, en donnant une réponse lumineuse visible par un œil humain ou détectable par un appareil adapté.Another technical solution will also be to apply to the security document, successively a layer comprising substances having an interference effect, thereby forming a first security pattern, and a layer comprising substances that react to certain stimulations, such as light radiation or calorific, magnetic, electromagnetic stimulation or electrical, giving a light response visible by a human eye or detectable by a suitable device.
Ces deux motifs pourront, de ce fait, être soit identiques, retrouvant ainsi le résultat obtenu par application d'une seule couche, soit partiellement superposés, soit contigus, soit, encore, totalement disjoints, aboutissant à un motif final composé.These two motifs may, therefore, be identical, thus finding the result obtained by application of a single layer, either partially superimposed or contiguous, or, still, completely disjoint, resulting in a compound final pattern.
De ce point de vue, il peut être avantageux de prévoir un motif final de type alphanumérique, dans lequel une partie des signes ou lettres serait formée par le premier motif et l'autre partie de ces mêmes signes ou lettres serait formée par le second motif.From this point of view, it may be advantageous to provide a final pattern alphanumeric type, in which a portion of the signs or letters would be formed by the first pattern and the other part of these signs or letters would be formed by the second pattern .
Sous observation normale, c'est-à-dire sous une lumière blanche, le motif final serait illisible, les lettres ou signes étant à moitié tronqués par exemple. En revanche, sous l'action d'une stimulation externe, comme une élévation de température par exemple, le motif final apparaîtrait dans son intégralité.Under normal observation, that is to say under a white light, the final pattern would be illegible, the letters or signs being half-truncated, for example. On the other hand, under the action of an external stimulation, such as a rise in temperature for example, the final pattern would appear in its entirety.
Il est aussi envisageable de prévoir un motif final de type alphanumérique, dans lequel certains signes ou lettres seraient formés par le premier motif et certains autres signes ou lettres seraient formés par le second motif.It is also conceivable to provide a final pattern alphanumeric type, in which some signs or letters would be formed by the first pattern and some other signs or letters would be formed by the second pattern.
Sous observation normale, c'est à dire sous une lumière blanche, le motif final présenterait, de cette façon, un effet interférentiel uniforme selon le premier motif, le second motif étant alors invisible. Par contre, sous l'action d'une stimulation externe, telle qu'une lumière émettant un rayonnement ultraviolet par exemple, le second motif de type alpha numérique serait révélé le temps de la stimulation.Under normal observation, ie under a white light, the final pattern would, in this way, have a uniform interference effect according to the first pattern, the second pattern then being invisible. On the other hand, under the action of an external stimulation, such as a light emitting ultraviolet radiation for example, the second alpha-numeric type pattern would be revealed the time of the stimulation.
De façon similaire, il est aussi envisageable de former un motif final de type code-barre, dans lequel certaines barres seraient formées par le premier motif et certaines autres barres seraient formées par le second motif.Similarly, it is also conceivable to form a barcode-type final pattern, wherein some bars would be formed by the first pattern and some other bars would be formed by the second pattern.
Cette variante permettra à la fois de garantir une authentification plus sûre du document de sécurité comportant ledit motif de sécurisation, mais également de garantir une certaine traçabilité dans le processus d'obtention dudit document. Le document n'ayant, par exemple, pas subi une opération intermédiaire destinée à révéler le second motif, notamment par exposition à certaines stimulations de type lumineuses, thermochromes ou photochromes, comportera forcément un motif final code-barre tronqué et, donc, illisible à l'aide d'un dispositif de lecture adapté.This variant will make it possible both to guarantee a more secure authentication of the security document comprising said security reason, but also to guarantee a certain traceability in the process of obtaining said security document. document. The document having, for example, not undergone an intermediate operation intended to reveal the second pattern, in particular by exposure to certain stimulations of the luminous, thermochromic or photochromic type, will necessarily include a truncated barcode final pattern and, therefore, illegible at using a suitable reading device.
Dans une autre variante envisageable de l'invention, le motif final combinerait un premier motif formé de données alphanumériques et un second motif constituant un code-barre.In another conceivable variant of the invention, the final pattern would combine a first pattern formed of alphanumeric data and a second pattern constituting a barcode.
Un objet de la présente invention est donc de proposer un document de sécurité, utile notamment pour se prémunir contre les falsifications et contrefaçons de pièces de paiement et des documents officiels par reproduction, caractérisé par le fait qu'il comporte comme moyen de sécurité un motif de sécurisation (M) constitué d'un premier motif (Ml) formé à partir de substances présentant un effet interférentiel et d'un second motif (M2) formé à partir de substances réagissant à certaines stimulations, tels que rayonnement lumineux ou stimulation calorifique, magnétique, électromagnétique, électrique ou de type micro-onde, en donnant une réponse lumineuse visible par un œil humain ou un signal spécifique détectable à l'aide d'un appareil adapté.An object of the present invention is therefore to provide a security document, useful in particular to guard against falsification and counterfeiting of payment documents and official documents by reproduction, characterized in that it comprises as security means a reason security device (M) consisting of a first unit (M1) formed from substances having an interferential effect and a second unit (M2) formed from substances that react to certain stimulations, such as light radiation or heat stimulation, magnetic, electromagnetic, electrical or microwave type, giving a visible light response by a human eye or a specific signal detectable using a suitable device.
Selon une variante de l'invention, les substances présentant un effet interférentiel sont choisies parmi les particules iridescentes, notamment parmi l'ensemble constitué par les extraits de nacre, les sels de plomb et les micas.According to a variant of the invention, the substances having an interferential effect are chosen from iridescent particles, in particular from the group consisting of mother-of-pearl extracts, lead salts and micas.
De manière particulière, les substances iridescentes sont des micas enrobés d'au moins un oxyde métallique, et de préférence un mica enrobé de Ti02.In particular, the iridescent substances are micas coated with at least one metal oxide, and preferably a mica coated with Ti0 2 .
Selon une autre variante de l'invention, les substances présentant un effet interférentiel sont formées à partir d'un film fin obtenu par lamination d'une ou plusieurs couches diélectriques entre une ou plusieurs couches métalliques réfléchissantes.According to another variant of the invention, the substances having an interferential effect are formed from a thin film obtained by lamination of one or more dielectric layers between one or more reflective metal layers.
Selon une autre variante de l'invention, les substances présentant un effet interférentiel sont des pigments de cristaux liquides ou des cristaux liquides. Selon une dernière variante de l'invention, les substances présentant un effet interférentiel sont formées à partir d'un film multicouche polymère, constitué d'une alternance de couches plus ou moins réfléchissantes.According to another variant of the invention, the substances having an interferential effect are liquid crystal pigments or liquid crystals. According to a last variant of the invention, the substances having an interferential effect are formed from a polymeric multilayer film, consisting of an alternation of more or less reflective layers.
Selon une configuration préférée de l'invention, les substances réagissant à certaines stimulations en donnant une réponse lumineuse visible par un œil humain sont choisies parmi l'ensemble constitué par les substances phosphorescentes, fluorescentes, sensibles aux rayons infrarouges ou aux rayons ultraviolets, thermochromes ou photochromes.According to a preferred configuration of the invention, the substances that react to certain stimulations by giving a visible light response by a human eye are chosen from the group consisting of phosphorescent, fluorescent, infrared-sensitive or ultraviolet-ray, thermochromic or photochromic.
Selon une autre configuration préférée de l'invention, les substances réagissant à certaines stimulations en donnant un signal spécifique détectable à l'aide d'un appareil adapté sont les substances réagissant à des champs magnétiques, électriques, électromagnétiques ou de type micro-onde.According to another preferred configuration of the invention, the substances reacting to certain stimulations by giving a specific detectable signal by means of a suitable apparatus are the substances reacting with magnetic, electric, electromagnetic or microwave-type fields.
De manière particulière, le premier motif (Ml) recouvre totalement le second motif (M2) ou réciproquement.In particular, the first pattern (M1) completely covers the second pattern (M2) or vice versa.
De manière encore particulière, le premier motif (Ml) recouvre partiellement le second motif (M2) ou réciproquement.More particularly, the first pattern (M1) partially overlaps the second pattern (M2) or vice versa.
De manière encore particulière, le premier motif (Ml) et le second motif (M2) sont contigus.More particularly, the first pattern (M1) and the second pattern (M2) are contiguous.
De manière encore particulière, le motif de sécurisation (M) est un motif de type alphanumérique.More particularly, the security pattern (M) is an alphanumeric pattern.
De manière encore particulière, le motif de sécurisation (M) est un motif de type code-barre.More particularly, the security pattern (M) is a barcode type pattern.
De manière encore particulière, le motif (Ml) est un motif de type alphanumérique et le motif (M2) est un motif de type code-barre.More particularly, the pattern (M1) is an alphanumeric pattern and the pattern (M2) is a barcode type pattern.
Selon une configuration préférée de l'invention, le motif (Ml) possède une valeur de brillance supérieure à 12, brillance mesurée selon la norme ISO 2813 en utilisant un brillancemètre de type « Gardner » avec un angle de mesure à 75°.According to a preferred configuration of the invention, the pattern (M1) has a gloss value greater than 12, brightness measured according to ISO 2813 using a "Gardner" type gloss meter with a measurement angle of 75 °.
Selon une autre configuration préférée de l'invention, le document de sécurité est un billet de banque. Un autre objet de la présente invention est de proposer un procédé de fabrication d'un document de sécurité, tel que décrit ci-dessus, caractérisé par le fait que l'on appose, sur le substrat dudit document de sécurité, un motif de sécurisation (M) constitué d'un premier motif (Ml) formé à partir de substances présentant un effet interférentiel et d'un second motif (M2) formé à partir de substances réagissant à certaines stimulations, tels que rayonnement lumineux ou stimulation calorifique, magnétique, électromagnétique, électrique ou de type micro-onde, en donnant une réponse lumineuse visible par un œil humain ou un signal spécifique détectable à l'aide d'un appareil adapté.According to another preferred configuration of the invention, the security document is a bank note. Another object of the present invention is to propose a method for manufacturing a security document, as described above, characterized in that a security pattern is affixed to the substrate of said security document. (M) consisting of a first pattern (M1) formed from substances having an interferential effect and a second pattern (M2) formed from substances reacting to certain stimulations, such as light radiation or heat stimulation, magnetic, electromagnetic, electric or microwave type, giving a visible light response by a human eye or a specific signal detectable using a suitable device.
Selon une variante de l'invention, les motifs (Ml) et (M2) sont appliqués simultanément par dépôt d'une couche unique comportant un mélange de substances présentant un effet interférentiel et de substances réagissant à certaines stimulations, tels que rayonnement lumineux ou stimulation calorifique, magnétique, électromagnétique, électrique ou de type micro-onde, en donnant une réponse lumineuse visible par un œil humain ou un signal spécifique détectable à l'aide d'un appareil adapté.According to a variant of the invention, the units (M1) and (M2) are simultaneously applied by depositing a single layer comprising a mixture of substances having an interferential effect and substances that react to certain stimulations, such as light radiation or stimulation. heat, magnetic, electromagnetic, electrical or microwave type, giving a light response visible by a human eye or a specific signal detectable using a suitable device.
Selon une autre variante de l'invention, les motifs (Ml) et (M2) sont appliqués séparément, par dépôt successif d'une couche comportant des substances présentant un effet interférentiel et d'une couche comportant des substances réagissant à certaines stimulations, tels que rayonnement lumineux ou stimulation calorifique, magnétique, électromagnétique, électrique ou de type micro-onde, en donnant une réponse lumineuse visible par un œil humain ou un signal spécifique détectable à l'aide d'un appareil adapté, ou réciproquement.According to another variant of the invention, the units (M1) and (M2) are applied separately, by successive deposition of a layer comprising substances having an interferential effect and a layer comprising substances that react to certain stimulations, such as as light radiation or calorific, magnetic, electromagnetic, electrical or microwave-type stimulation, giving a light response visible by a human eye or a specific signal detectable using a suitable device, or vice versa.
Selon une variante préférée de l'invention, les motifs (Ml) et (M2) sont appliqués par sérigraphie ou par héliogravure.According to a preferred variant of the invention, the units (M1) and (M2) are applied by screen printing or by gravure printing.
Selon une variante préférée de l'invention, le substrat est un papier pour billet de banque. According to a preferred variant of the invention, the substrate is a paper for bank note.

Claims

REVENDICATIONS
1) Document de sécurité, utile notamment pour se prémunir contre les falsifications et contrefaçons de pièces de paiement ou de documents officiels par reproduction, caractérisé en ce qu'il comporte comme moyen de sécurité un motif de sécurisation (M) constitué d'un premier motif (Ml) formé à partir de substances présentant un effet interférentiel et d'un second motif (M2) formé à partir de substances réagissant à certaines stimulations, tels que rayonnement lumineux ou stimulation calorifique, magnétique, électromagnétique, électrique ou de type micro-onde, en donnant une réponse lumineuse visible par un œil humain ou un signal spécifique détectable à l'aide d'un appareil adapté.1) Security document, useful in particular to guard against falsification and counterfeiting of payment documents or official documents by reproduction, characterized in that it comprises as a security means a security pattern (M) consisting of a first pattern (M1) formed from substances having an interferential effect and a second pattern (M2) formed from substances reacting to certain stimulations, such as light radiation or heat, magnetic, electromagnetic, electrical or microbial stimulation. wave, giving a light response visible by a human eye or a specific signal detectable using a suitable device.
2) Document de sécurité selon la revendication 1, caractérisé en ce que les substances présentant un effet interférentiel sont choisies parmi les particules iridescentes, notamment parmi l'ensemble constitué par les extraits de nacre, les sels de plomb et les micas.2) Security document according to claim 1, characterized in that the substances having an interferential effect are selected from iridescent particles, especially from the group consisting of mother-of-pearl extracts, lead salts and micas.
3) Document de sécurité selon la revendication 2, caractérisé en ce que les particules iridescentes sont des micas enrobés d'au moins un oxyde métallique, et de préférence un mica enrobé de Ti02.3) Security document according to claim 2, characterized in that the iridescent particles are micas coated with at least one metal oxide, and preferably a mica coated with Ti0 2 .
4) Document de sécurité selon la revendication 1, caractérisé en ce que les substances présentant un effet interférentiel sont formées à partir d'un film fin obtenu par lamination d'une ou plusieurs couches diélectriques entre une ou plusieurs couches métalliques réfléchissantes.4) Security document according to claim 1, characterized in that the substances having an interferential effect are formed from a thin film obtained by lamination one or more dielectric layers between one or more reflective metal layers.
5) Document de sécurité selon la revendication 1, caractérisé en ce que les substances présentant un effet interférentiel sont des pigments de cristaux liquides ou des cristaux liquides.5) Security document according to claim 1, characterized in that the substances having an interference effect are liquid crystal pigments or liquid crystals.
6) Document de sécurité selon la revendication 1, caractérisé en ce que les substances présentant un effet interférentiel sont formées à partir d'un film multicouche polymère, constitué d'une alternance de couches plus ou moins réfléchissantes.6) Security document according to claim 1, characterized in that the substances having an interferential effect are formed from a polymeric multilayer film consisting of an alternation of more or less reflective layers.
7) Document de sécurité selon l'une des revendications précédentes, caractérisé en ce que les substances réagissant à certaines stimulations en donnant une réponse lumineuse visible par un œil humain sont choisies parmi l'ensemble constitué par les substances phosphorescentes, fluorescentes, sensibles aux rayons infrarouges ou aux rayons ultraviolets, thermochromes ou photochromes.7) Security document according to one of the preceding claims, characterized in that the substances reacting to certain stimulation by giving a visible light response by a human eye are selected from the group consisting of phosphorescent, fluorescent, radiation-sensitive substances. infrared or ultraviolet, thermochromic or photochromic.
8) Document de sécurité selon l'une des revendications précédentes, caractérisé en ce que les substances réagissant à certaines stimulations en donnant un signal spécifique détectable à l'aide d'un appareil adapté sont des substances réagissant à des champs magnétiques, électriques, électromagnétiques ou de type micro-onde. 9) Document de sécurité selon l'une des revendications 1 à 8, caractérisé en ce que le premier motif (Ml) recouvre totalement le second motif (M2) ou réciproquement.8) Security document according to one of the preceding claims, characterized in that the substances reacting to certain stimulations by giving a specific detectable signal using a suitable apparatus are substances that react to magnetic, electric, electromagnetic fields. or microwave type. 9) security document according to one of claims 1 to 8, characterized in that the first pattern (Ml) completely covers the second pattern (M2) or vice versa.
10) Document de sécurité selon l'une des revendications 1 à 8, caractérisé en ce que le premier motif (Ml) recouvre partiellement le second motif (M2) ou réciproquement.10) security document according to one of claims 1 to 8, characterized in that the first pattern (Ml) partially overlaps the second pattern (M2) or vice versa.
11) Document de sécurité selon l'une des revendications 1 à 8, caractérisé en ce que le premier motif (Ml) et le second motif (M2) sont contigus.11) Security document according to one of claims 1 to 8, characterized in that the first pattern (Ml) and the second pattern (M2) are contiguous.
12) Document de sécurité selon l'une des revendications précédentes, caractérisé en ce que le motif de sécurisation (M) est un motif de type alphanumérique.12) Security document according to one of the preceding claims, characterized in that the security pattern (M) is a pattern alphanumeric type.
13) Document de sécurité selon l'une des revendications 1 à 10, caractérisé en ce que le motif de sécurisation (M) est un motif de type code-barre.13) Security document according to one of claims 1 to 10, characterized in that the security pattern (M) is a barcode type pattern.
14) Document de sécurité selon l'une des revendications 1 à 10, caractérisé en ce que le motif (Ml) est un motif de type alphanumérique et le motif (M2) est un motif de type code- barre ou inversement.14) Security document according to one of claims 1 to 10, characterized in that the pattern (Ml) is an alphanumeric pattern and the pattern (M2) is a barcode type pattern or vice versa.
15) Document de sécurité selon l'une des revendications précédentes, caractérisé en ce que le motif (Ml) possède une valeur de brillance supérieure à 12, brillance mesurée selon la norme ISO 2813 en utilisant un brillancemètre de type « Gardner » avec un angle de mesure à 75°. 16) Document de sécurité selon l'une des revendications précédentes, caractérisé en ce que le document de sécurité est un billet de banque.15) Safety document according to one of the preceding claims, characterized in that the pattern (Ml) has a gloss value greater than 12, brightness measured according to ISO 2813 using a "Gardner" type glossmeter with an angle measuring at 75 °. 16) Security document according to one of the preceding claims, characterized in that the security document is a bank note.
17) Procédé de fabrication d'un document de sécurité selon l'une des revendications précédentes, caractérisé en ce que l'on appose, sur le substrat dudit document, un motif de sécurisation (M) constitué d'un premier motif (Ml) formé à partir de substances présentant un effet interférentiel et d'un second motif (M2) formé à partir de substances réagissant à certaines stimulations, tels que rayonnement lumineux ou stimulation calorifique, magnétique, électromagnétique, électrique ou de type micro-onde, en donnant une réponse lumineuse visible par un œil humain ou un signal spécifique détectable à l'aide d'un appareil adapté.17) A method of manufacturing a security document according to one of the preceding claims, characterized in that is affixed on the substrate of said document, a security pattern (M) consisting of a first pattern (Ml) formed from substances having an interferential effect and a second unit (M2) formed from substances that react to certain stimulations, such as light radiation or calorific, magnetic, electromagnetic, electrical or microwave-type stimulation, giving a luminous response visible by a human eye or a specific signal detectable using a suitable device.
18) Procédé de fabrication selon la revendication 17, caractérisé en ce que les motifs (Ml) et (M2) sont appliqués simultanément par dépôt d'une couche unique comportant un mélange de substances présentant un effet interférentiel et de substances réagissant à certaines stimulations, tels que rayonnement lumineux ou stimulation calorifique, magnétique, électromagnétique, électrique ou de type micro-onde, en donnant une réponse lumineuse visible par un œil humain ou un signal spécifique détectable à l'aide d'un appareil adapté. 19) Procédé de fabrication selon la revendication 17, caractérisé en ce que les motifs (Ml) et (M2) sont appliqués séparément, par dépôt successif d'une couche comportant des substances présentant un effet interférentiel et d'une couche comportant des substances réagissant à certaines stimulations, tels que rayonnement lumineux ou stimulation calorifique, magnétique, électromagnétique, électrique ou de type micro-onde, en donnant une réponse lumineuse visible par un œil humain ou un signal spécifique détectable à l'aide d'un appareil adapté, ou réciproquement.18) The manufacturing method according to claim 17, characterized in that the units (Ml) and (M2) are applied simultaneously by depositing a single layer comprising a mixture of substances having an interference effect and substances reacting to certain stimulations, such as light radiation or heat, magnetic, electromagnetic, electrical or microwave-type stimulation, giving a visible light response by a human eye or a specific signal detectable using a suitable device. 19) The manufacturing method according to claim 17, characterized in that the units (Ml) and (M2) are applied separately, by successive deposition of a layer comprising substances having an interference effect and a layer comprising reactive substances. to certain stimulations, such as light radiation or calorific, magnetic, electromagnetic, electrical or microwave-type stimulation, by giving a visible light response by a human eye or a specific signal detectable by means of a suitable apparatus, or reciprocally.
20) Procédé de fabrication selon l'une des revendications 17 à20) Manufacturing method according to one of claims 17 to
19, caractérisé en ce que les motifs (Ml) et (M2) sont appliqués par sérigraphie ou par héliogravure.19, characterized in that the patterns (M1) and (M2) are applied by screen printing or gravure printing.
21) Procédé de fabrication selon l'une des revendications 17 à21) Manufacturing method according to one of claims 17 to
20, caractérisé en ce que le substrat dudit document est un papier pour billet de banque. 20, characterized in that the substrate of said document is a paper for bank note.
EP04742772A 2003-05-26 2004-05-19 Security document and method for the production thereof Revoked EP1631459B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0306352A FR2855640B1 (en) 2003-05-26 2003-05-26 SECURITY DOCUMENT AND METHOD FOR MANUFACTURING THE SAME
PCT/FR2004/001227 WO2004106078A1 (en) 2003-05-26 2004-05-19 Security document and method for the production thereof

Publications (2)

Publication Number Publication Date
EP1631459A1 true EP1631459A1 (en) 2006-03-08
EP1631459B1 EP1631459B1 (en) 2012-02-15

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EP04742772A Revoked EP1631459B1 (en) 2003-05-26 2004-05-19 Security document and method for the production thereof

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US (1) US20080122217A1 (en)
EP (1) EP1631459B1 (en)
AR (1) AR044557A1 (en)
AT (1) ATE545515T1 (en)
BR (1) BRPI0410723A (en)
CA (1) CA2526569A1 (en)
CL (1) CL2004001276A1 (en)
FR (1) FR2855640B1 (en)
GT (1) GT200400106A (en)
MX (1) MXPA05012789A (en)
PE (1) PE20041045A1 (en)
RU (1) RU2359834C2 (en)
UY (1) UY28332A1 (en)
WO (1) WO2004106078A1 (en)

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Also Published As

Publication number Publication date
EP1631459B1 (en) 2012-02-15
ATE545515T1 (en) 2012-03-15
RU2359834C2 (en) 2009-06-27
US20080122217A1 (en) 2008-05-29
RU2005140544A (en) 2006-08-10
FR2855640A1 (en) 2004-12-03
CA2526569A1 (en) 2004-12-09
GT200400106A (en) 2006-05-11
UY28332A1 (en) 2004-12-31
WO2004106078A1 (en) 2004-12-09
FR2855640B1 (en) 2005-09-09
MXPA05012789A (en) 2006-06-27
CL2004001276A1 (en) 2005-05-06
BRPI0410723A (en) 2006-06-20
AR044557A1 (en) 2005-09-21
PE20041045A1 (en) 2005-02-14

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