EP2651654B1 - Élément de sécurité activable - Google Patents

Élément de sécurité activable Download PDF

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Publication number
EP2651654B1
EP2651654B1 EP11788415.5A EP11788415A EP2651654B1 EP 2651654 B1 EP2651654 B1 EP 2651654B1 EP 11788415 A EP11788415 A EP 11788415A EP 2651654 B1 EP2651654 B1 EP 2651654B1
Authority
EP
European Patent Office
Prior art keywords
security element
security
value
activation
colour state
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
EP11788415.5A
Other languages
German (de)
English (en)
Other versions
EP2651654A1 (fr
Inventor
Per KRÜGER
Alexander MOMBRÉE
Jens Ehreke
Stephanie Tietze
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
Publication of EP2651654A1 publication Critical patent/EP2651654A1/fr
Application granted granted Critical
Publication of EP2651654B1 publication Critical patent/EP2651654B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/41—Marking using electromagnetic 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
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
    • D21H21/46—Elements suited for chemical verification or impeding chemical tampering, e.g. by use of eradicators
    • 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
    • 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
    • G07D7/1205—Testing spectral properties
    • 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
    • G07D7/14—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 chemical means
    • B42D2033/14—
    • B42D2033/20—
    • B42D2033/30—
    • B42D2035/24—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/378—Special inks
    • B42D25/382—Special inks absorbing or reflecting infrared light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/378—Special inks
    • B42D25/387—Special inks absorbing or reflecting ultraviolet light

Definitions

  • the invention relates to a security element, for example a mottled fiber, for securing value and / or security documents, the security element having at least one luminescent and / or light-absorbing and / or light-scattering feature substance, and also its production method, a value containing the security element. and / or security document and a method for its production.
  • a security element for example a mottled fiber, for securing value and / or security documents
  • the security element having at least one luminescent and / or light-absorbing and / or light-scattering feature substance, and also its production method, a value containing the security element. and / or security document and a method for its production.
  • mottled fibers which are used to secure value and / or security documents.
  • mottled fibers plancettes, threads or patches are used. These are incorporated into a document during manufacture and can be recognized in the finished document due to their shape.
  • luminescent mottled fibers are introduced into banknotes. These are not or only very difficult to perceive under daylight lighting. Under illumination with UV light, the mottled fibers become clearly recognizable due to the luminescence of the feature substances contained in the mottling fibers.
  • Safety elements are advantageous if they can be manufactured separately from the document and efficiently.
  • the introduction in the production of a document may result in a spatial arrangement of the structure of the security elements, which in the case of threads is regular, in the case of mottled fibers random. This arrangement can be easily verified under UV excitation and technically difficult to adjust.
  • the document US 5,289,547 A discloses a security tag with activatable photochrons for authenticating the document.
  • the security elements can be produced efficiently, for example by a supplier, the security of the security elements must also be ensured at the document manufacturer as well as during transportation to the document manufacturer. These requirements lead to increased costs. In particular, it is possible for a counterfeiter to use stolen security elements for the forgery of documents. Moreover, the security risk is increased by the fact that a larger number of persons are aware of the technical specifications of the security element, both at the manufacturer of the security element (supplier) and at the document manufacturer.
  • the mottled fiber according to the invention serves to secure a value and / or security document. It comprises a matrix and at least one feature substance which, when excellently excited by electromagnetic radiation, for example in the UV, IR and / or visible spectral range, luminesces and / or absorbs light and / or scatters light, for example in the UV, IR and / or visible spectral range.
  • the mottled fiber has a property suitable for the verification of the value and / or security document, which is a luminescence and / or light absorption and / or light scattering or light emission of the mottling fiber.
  • the mottled fiber has a first color state in which the at least one feature substance luminesces and / or Absorbs light and / or scatters light, and a second color state different from the first color state, in which the at least one feature substance luminesces and / or absorbs light and / or scatters light. Therefore, a verification of the document can easily distinguish between the two states.
  • the mottled fiber can be irreversibly transferred (activated) from the first color state to the second color state, wherein the first color state does not have the properties suitable (foreseen) for verification.
  • the second color state of the mica fiber is the state suitable or intended for the verification of the document.
  • the luminescence and / or light absorption and / or light scattering of the mica fiber only in the second color state, the verification of the authenticity of the value and / or security document on or into which the mottled fiber is placed or allowed, and so falsifications or distortions the Melierfasers reveals and thus prevented or at least considerably more difficult. That is, the verification method and any device used therefor are designed so that they only show the authenticity of the document when the mica fiber is in the second color state.
  • a security element is produced, which in a first color state has a first luminescence and / or light absorption and / or light scattering, which is not provided for the verification of the authenticity of the document.
  • this differs recognizably from a second luminescence and / or light absorption and / or light scattering in a second color state, which indicates the authenticity of the document, so that the security element is produced and transported before its activation in the second state provided for the verification without special security measures can, because the security element is not yet suitable for use in a document in this first state.
  • the first color state and the second color state differ by the energy of the luminescence and / or light absorption and / or light scattering, ie the colors (frequency, wavelength) of the luminescence / light absorption / light scattering before and after the activation are different.
  • the energies of the excitation light required for luminescence / light absorption / light scattering, ie the absorption layer of the security element can also differ from one another.
  • the security element can luminesce in the visible range, so that the first color state can be given for example by a red luminescence and the second color state by a green luminescence.
  • the security element can also luminesce in the UV spectral range or in the IR spectral range and / or absorb light and / or scatter light. Even then, the two states differ by the frequency or wavelength of the (r) emitted radiation.
  • the color states in the spectral composition of the (r) emitted radiation can differ.
  • the luminescence / light absorption / light scattering in the first state can in principle also in a first spectral range (UV, VIS and / or IR) and the luminescence / absorption / light scattering in the second state in the same spectral range or in another spectral range (UV, VIS and or IR) or additionally also in another spectral range (UV, VIS, IR).
  • the two color states can also differ only by the intensity of the luminescence / light absorption / light scattering, for example with a low intensity in the first state and a strong intensity in the second state.
  • the luminescence / light absorption / light scattering according to the invention can be any type of emitted radiation, the emitted radiation preferably being a photoluminescence (excitation by photons) due to luminescence. It can be distinguished between fluorescence and phosphorescence.
  • the two color states of the security element are preferably given by color states of feature substances contained in the security element. If the security element contains a single luminescent and / or absorbing and / or scattering feature substance, the two color states of the security element can be given by two color states of this single feature substance. In particular, the first and second color states of this feature substance are different crystal structures or, as the first color state, dimers and second color state monomers. But the security element can do more than a feature substance contain, which contributes to the luminescence and / or light absorption and / or light scattering of the security element in at least one of the two color states of the security element.
  • a security element Under a security element according to the invention inter alia understood elements that can be produced as separate physical objects and integrated in the production in a value and / or security document. In particular, these are understood as mottled fibers, plancettes, threads or patches. Alternatively, however, it may also be a component of the security and / or security document which does not exist in the document prior to formation and is formed in the document only during production, for example an imprint on a document.
  • the security element can be, for example, a film or a film composite in which (n) at least one inventive feature substance is introduced during the production or subsequently applied, for example by printing technology. Furthermore, it can be a substrate, for example paper, in which inventive mottling fibers, plancettes, patches or threads are incorporated.
  • the films may consist of the same or different materials, in particular polycarbonate (PC), in particular bisphenol A polycarbonate, polyethylene terephthalate (PET), its derivatives such as glycol modified PET (PETG), polyethylene naphthalate (PEN), polyvinyl chloride (PVC), Polyvinyl butyral (PVB), polymethyl methacrylate (PMMA), polyimide (PI), polyvinyl alcohol (PVA), polystyrene (PS), polyvinylphenol (PVP), polypropylene (PP), polyethylene (PE), thermoplastic elastomers (TPE), in particular thermoplastic polyurethane ( TPU), acrylonitrile-butadiene-styrene (ABS), paper, Teslin ® and their derivatives, coextruded films containing these materials, among others, and hybrid materials which contain among others, the above-mentioned materials.
  • PC polycarbonate
  • PET polyethylene terephthalate
  • PET polyethylene terephthalate
  • the lamination takes place by means of increased pressure and elevated temperature.
  • documents from PC are usually produced at 180 to 210 ° C and a pressure of more than 5 bar within 1 s to 1 h.
  • Short cycle times are common for single card lamination, long cycle times for batch lamination of multiple uses.
  • the matrix of the security element consists of polyamide.
  • Polyamide is particularly suitable for the production of mottled fibers, which are produced by extrusion at 250 to 280 ° C.
  • the luminescent and / or light-absorbing and / or light-scattering feature substance is added to the polyamide, which is in the form of granules, and the granules are heated to 250 ° to 280 ° C. and extruded. As a result, a homogeneous distribution of the feature substance can be achieved.
  • the security element for activation from the first to the second color state requires a treatment period of at least 8 hours. It is advantageous to provide a security element in which the irreversible transition from the first color state to the second takes place only by an activation treatment for at least 2 hours, better at least 4 hours and even better for at least 8 hours, as a result of a random activation of the security element from the first to the second color state is avoided. Thus, only the persons who are engaged in the activation as well as the production of the value and / or security documents are informed about the security element. A counterfeiter would then also assume that the security element produced in the first color state can not be used for the adjustment of those documents which contain the security element in the second color state.
  • an upper limit for the activation period is practical, for example 1000 hours.
  • shorter times are more advantageous, allowing more efficient production of the security elements and documents produced therewith, for example at most 500 hours, preferably at most 100 hours, more preferably at most 30 hours, and even more preferably at most 15 hours.
  • the security element is irreversibly activatable without external pressure, ie it requires for activation from the first to the second color state activation conditions, which include that an external pressure is to be avoided. It is thus advantageous to choose an activation which can be carried out without external pressure. For example, it is thereby possible to use feature substances which convert into a first color state by applying pressure can be, for example, a pressure, as it prevails when extruding mottled fibers.
  • This color state is converted over a long period of time without external pressure, in particular under heating, into a thermodynamically stable second color state without external pressure, for example during the transfer between two crystallinity states (crystal structures) or aggregation states (monomeric / dimer / trimer, etc.) of a feature substance.
  • the security element can be activated by thermal treatment, i. the security element requires a thermal treatment for activation from the first to the second color state (treatment at room temperature elevated temperature).
  • the security element is irreversibly activated at a temperature of at least 40 ° C and at most 100 ° C.
  • the security element is irreversibly activated at a temperature of at least 50 ° C and at most 90 ° C, and more preferably at a temperature of at least 50 ° C and at most 85 ° C, i. for the activation, a thermal treatment is required at a temperature which is within the specified temperature ranges.
  • the security element is irreversibly activated by means of electromagnetic radiation, in particular UV irradiation, i. the security element has such a nature that irradiation with electromagnetic radiation, in particular UV radiation, is required for its irreversible activation.
  • the security element preferably requires activation of UV-A radiation (400 to 320 nm), particularly preferably irradiation of 365 nm. Activation by irradiation with UV-B or UV-C is not preferred since this radiation alters the matrix and thus the durability value and / or security document.
  • the security element is irreversibly activatable by treatment with chemical agents, ie the security element has such a nature that a treatment with chemical agents is required for its irreversible activation.
  • chemical Agens be suitable for water, especially in the form of water vapor.
  • the activation can thus take place in a steam atmosphere.
  • a steam atmosphere is understood as meaning a relative humidity of at least 60%, preferably at least 80%.
  • Another form of chemical activation is the conversion of a leuco base into a dye.
  • the preparation of crystal violet is mentioned, wherein a colored triphenylmethane dye is produced from a colorless intermediate by acidification.
  • the security element is exposed, for example, to a gas or vapor atmosphere containing hydrogen chloride, formic acid and / or acetic acid.
  • the activation is carried out at a temperature of at least 40 ° C and at most 100 ° C and in a steam atmosphere.
  • the activation takes place at a temperature of 85 ° C and a relative humidity of 85%.
  • the security element is selected in such cases so that the activation takes place only under the conditions mentioned.
  • the security element may also be activatable under conditions that correspond to a combination of the mentioned conditions.
  • the security element can be irreversibly activated by thermal treatment and / or treatment with electromagnetic radiation and / or treatment with chemical agents.
  • the security element may contain a single feature substance that is suitable for the verification of the value and / or security document equipped with the security element. Alternatively, several feature substances may be included. Preferably, at least one of the feature substances is present in the security element according to the invention in two mutually different states, the activation being irreversible from a first state to a second state.
  • individual or all feature substances can each have two color states, ie they luminesce and / or absorb light and / or scatter light differently in the two states, or individual or all feature substances can have two states, the feature substance concerned luminesces in one state and / or absorbs light and / or scatters light and in the not others, or individual feature substances can remain completely unchanged upon activation of the security element.
  • a first irreversibly activatable feature substance may have a first state in which the substance has a first luminescence and / or light absorption and / or light scattering, and a second state in which the substance is one of the first luminescence and / or light absorption and / or Light scattering has different second luminescence and / or light absorption and / or light scattering.
  • the difference in the luminescence / light absorptions / light scattering of the feature substance in the two states can be as above for the security element itself, for example by a difference in the luminescence / light absorption / light scattering energies in the first and second states and / or by a difference in the intensities in the first and second be given in the second state.
  • a first activatable feature substance may have a first state in which the substance exhibits luminescence and / or light absorption and / or light scattering and a second state in which the substance exhibits no luminescence and / or light absorption and / or light scattering.
  • the first activatable feature substance may have a first state in which this substance exhibits no luminescence and / or light absorption and / or light scattering and a second state in which this substance exhibits luminescence and / or light absorption and / or light scattering.
  • at least one further second feature substance is preferably present in the security element, which also changes from a first to a second state under the same activation conditions as the first feature substance, so that the security element can assume two different color states.
  • a second feature substance can also be contained in the security element. Accordingly, this second feature substance can likewise be activatable and, like the first feature substance, have different states with regard to luminescence / light absorption / light scattering, wherein the respective differences of the two substances need not be the same: for example, the first substance in the first state can have a first luminescence and / or or light absorption and / or light scattering and in the second state a second luminescence and / or light absorption and / or light scattering and the second substance in the first state no luminescence and / or light absorption and / or light scattering and in the second state a luminescence and / or light absorption and / or light scattering or vice versa.
  • the second feature substance may also be such that it does not have two different color states. That is, when activating the security element no change of the second feature substance takes place. Accordingly, the second feature substance can either emit or absorb a certain unchanged luminescence / absorption / scattered radiation (r) independently of the activation of the security element, or the second feature substance does not emit any luminescence / absorption / scattered radiation at all. Furthermore, third, fourth and even further feature substances can be contained, which in turn can either be present in two different states or in each case also not.
  • the mixture of all feature substances in the security element leads to overall effects (resulting colors of the security element) in the two states, which are composed of the individual effects (colors of the respective feature substances) in the respective states.
  • the security element consists in that it comprises a spatially resolved security feature which encodes at least one information, for example a preferably individualizing print image in or on the security and / or security document
  • further variants can be selected in order to design the security element.
  • the security element in the first color state may embody a first information and in the second color state a second information.
  • the security element can be composed of two printed images, of which the first printed image luminesces under the verification conditions and / or absorbs light and / or scatters light, both when the security element is not yet activated and when it is activated and the second print image only luminesces and / or absorbs light under the verification conditions and / or scatters light if the security element is activated, but not if the security element is not yet activated.
  • the first print image may represent a first digit sequence. Both printed images together can represent a different second digit sequence. If the correct sequence of digits is detected, the document is then verified as genuine, whereas that is exclusively verified by the first printed image displayed digit sequence identifies the document as forged.
  • the color change can be directly correlated with encoded information upon activation of the security element: for example, the document may become green before and then red luminescent.
  • the security element in this case consists, for example, of the printed word "red". Before activation, the word "red" appears in green and after activation in red.
  • At least one feature substance is introduced into the matrix by means of extrusion. This has, as shown above the example of the polyamide, the advantage of a homogeneous distribution of the feature substance in the matrix and an efficient production.
  • the feature substance is selected from the group comprising benzoxazinone and its derivatives as well as salicylic acid and derivatives thereof, xanthene dyes such as fluorescein and rhodamine 6G, Neozapon® dyes (metal complex dyes, BASF, DE), Orasol® dyes (phthalocyanine dyes, BASF, DE), chrome yellow pigments, molybdenum red pigments, aldazeelb and triphenylmethane dyes. Particularly preferred are benzoxazinone and its derivatives as well as salicylic acid and its derivatives.
  • the security element has at least one second luminescent and / or light-absorbing and / or light-scattering feature substance, wherein the at least one second feature substance can not be changed by the activation.
  • second luminescent and / or light absorbing and / or light scattering feature substances YVO 4 : Eu 3+ and YVO 4 : Tb 3+ may be mentioned .
  • YVO 4 Eu 3+
  • YVO 4 Tb 3+
  • the first luminescent and / or light-absorbing and / or light-scattering feature substance can be a feature substance which is destroyed in the irreversible activation of the security element.
  • the first feature substance is a feature substance which is thermally and / or instable against irradiation with electromagnetic radiation. This first feature substance is irreversibly destroyed during activation.
  • the first feature substance is used in such a concentration that the luminescence and / or scattered radiation emitted by the first feature substance and / or the absorbed light is at least an order of magnitude stronger than the luminescence and / or scattered radiation and / or the absorbed one Light of the second feature substance.
  • the security element may comprise two substances which, under the conditions of activation, react to form a feature substance which embodies the luminescent and / or light-absorbing and / or light-scattering properties of the second color state of the security element.
  • the two substances are starting materials for the feature substance, which arises during activation.
  • the security and / or security document according to the invention has at least one security element according to the invention.
  • value and / or security documents are passport, identity card, driver's license, vehicle registration document, vehicle registration document, visa, check and credit card, checks, company ID, proof of eligibility, membership card, gift and shopping voucher and token.
  • the value and / or security document particularly preferably corresponds to the ID-1 or ID-2 format according to ISO 7810 as well as the data page of a document in ID-3 format according to ISO 7810.
  • process steps are preferably carried out in the order given. In each case at least one other method step can be carried out between the individual method steps.
  • the efficient production of the security element in its first color state can take place in an unprotected area and the subsequent transport to the place of production of the security and / or security document is simplified since the security of the production environment can only be guaranteed after the activation of the security element got to.
  • the additional process step of the activation is advantageous, since thus only the security element and not the whole document is exposed to the load of the activation. If the security element were activated only in the finished document, all the material of the document, e.g. thermal, loaded and so the life of the document can be reduced.
  • a substituted benzoxazinone derivative is added to a polyamide granule as a luminescent feature substance and extruded at 280 ° C. to give mottled fibers.
  • the mottled fibers have a white luminescence.
  • These mottled fibers can be applied to PC films and laminated to a document at 190 ° C for 60 minutes.
  • the document shows the white luminescent mottled fibers.
  • the mottled fibers may be stored at 85 ° C and 85% rh for 5 days. Subsequently, the mottled fibers have a green luminescence. This luminescence is also evident after integration into a document, as described above.
  • a substituted salicylic acid derivative is added as a luminescent feature substance to a polyamide granule and extruded at 280 ° C. into mordant fibers.
  • the mottled fibers have a blue luminescence.
  • These mottled fibers can be applied to PC films and laminated to a document at 190 ° C for 60 minutes.
  • the document shows the blue luminescent mottled fibers.
  • the mottled fibers may be stored at 85 ° C and 85% rh for 5 days become. Subsequently, the mottled fibers have a green luminescence. This luminescence is also evident after integration into a document, as described above.
  • Fluorescein is added to a polyamide granulate as the luminescent feature substance, and YVO 4 : Eu 3+ as the second luminescent feature substance, and extruded at 280 ° C. into mordant fibers.
  • the mottled fibers have a cyan luminescence. The activation takes place by means of irradiation with 365 nm for 24 h. Subsequently, the mottled fiber has a red luminescence.
  • Rhodamine 6G as a luminescent feature substance and YVO 4 : Tb 3+ as second luminescent feature substance YVO 4 : Tb 3+ are added to a polyamide granulate and extruded at 280 ° C. into mottled fibers.
  • the mottled fibers have a yellow-orange-colored luminescence.
  • the activation takes place by means of irradiation with 365 nm for 24 h. Subsequently, the mottled fiber has a green luminescence.
  • Neozapon® dyes BASF, DE
  • Orasol® dyes BASF, DE
  • chromium yellow pigments and molybdate red pigments are suitable, which can be activated by treatment at 50 to 85 ° C (decomposition at elevated temperature, so that a hidden dye is visible)
  • Aldazingelb and triphenylmethane dyes which are activated by UV irradiation.

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  • Spectroscopy & Molecular Physics (AREA)
  • Business, Economics & Management (AREA)
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  • Accounting & Taxation (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Credit Cards Or The Like (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Claims (14)

  1. Procédé servant à fabriquer un document de valeur et/ou de sécurité présentant un élément de sécurité dans un deuxième coloris, comprenant les étapes de procédé qui suivent consistant à :
    a) fournir l'élément de sécurité dans un premier coloris, sachant que l'élément de sécurité comprend une matrice et au moins un matériau caractéristique, qui produit une luminescence en cas d'excitation appropriée avec des rayons électromagnétiques et/ou absorbe de la lumière et/ou diffuse de la lumière, et sachant que l'élément de sécurité peut passer ou passe, aux fins de la vérification du document de valeur et/ou de sécurité, d'un premier coloris, dans lequel le matériau caractéristique au moins au nombre de un produit une luminescence et/ou absorbe de la lumière, et/ou diffuse de la lumière, par activation, de manière irréversible, à un deuxième coloris, différent du premier coloris, dans lequel le matériau caractéristique au moins au nombre de un produit une luminescence et/ou absorbe de la lumière et/ou diffuse de la lumière, et que seul le deuxième coloris constitue le coloris approprié aux fins de la vérification ;
    b) faire passer de manière irréversible l'élément de sécurité du premier coloris, par activation, dans le deuxième coloris ; puis
    c) intégrer l'élément de sécurité présentant le deuxième coloris dans le document de valeur et/ou de sécurité.
  2. Procédé servant à fabriquer le document de valeur et/ou de sécurité présentant l'élément de sécurité selon la revendication 1, caractérisé en ce que le premier coloris et le deuxième coloris se distinguent par l'énergie de la luminescence et/ou par l'absorption de lumière et/ou par la diffusion de lumière.
  3. Procédé servant à fabriquer le document de valeur et/ou de sécurité présentant l'élément de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que la matrice est constituée de polyamide.
  4. Procédé servant à fabriquer le document de valeur et/ou de sécurité présentant l'élément de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de sécurité requiert, aux fins de l'activation permettant le passage du premier coloris au deuxième coloris, une durée d'au moins 8 heures.
  5. Procédé servant à fabriquer le document de valeur et/ou de sécurité présentant l'élément de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de sécurité requiert, aux fins de l'activation permettant le passage du premier coloris au deuxième coloris, des conditions d'activation qui impliquent d'éviter toute pression extérieure.
  6. Procédé servant à fabriquer le document de valeur et/ou de sécurité présentant l'élément de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de sécurité requiert, aux fins de l'activation permettant le passage du premier coloris au deuxième coloris, un traitement thermique.
  7. Procédé servant à fabriquer le document de valeur et/ou de sécurité présentant l'élément de sécurité selon la revendication 6, caractérisé en ce que le traitement thermique est effectué à une température d'au moins 40 °C et de maximum 100 °C.
  8. Procédé servant à fabriquer le document de valeur et/ou de sécurité présentant l'élément de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de sécurité est exposé, aux fins de l'activation permettant le passage du premier coloris au deuxième coloris, à un rayonnement au moyen de rayons électromagnétiques, en particulier à un rayonnement UV.
  9. Procédé servant à fabriquer le document de valeur et/ou de sécurité présentant l'élément de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de sécurité est exposé, aux fins de l'activation permettant le passage du premier coloris au deuxième coloris, à un traitement à l'aide d'agents chimiques.
  10. Procédé servant à fabriquer le document de valeur et/ou de sécurité présentant l'élément de sécurité selon la revendication 9, caractérisé en ce que le traitement à l'aide d'agents chimiques comprend un traitement dans une atmosphère de vapeur d'eau.
  11. Procédé servant à fabriquer le document de valeur et/ou de sécurité présentant l'élément de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un matériau caractéristique est incorporé dans la matrice au moyen d'une extrusion.
  12. Procédé servant à fabriquer le document de valeur et/ou de sécurité présentant l'élément de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un matériau caractéristique est choisi parmi le groupe comprenant la benzoxazinone, ses dérivés, l'acide salicylique et ses dérivés.
  13. Procédé servant à fabriquer le document de valeur et/ou de sécurité présentant l'élément de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de sécurité contient au moins un premier et un deuxième matériau caractéristique respectivement luminescent et/ou absorbant de la lumière et/ou diffusant de la lumière, sachant qu'uniquement le premier matériau caractéristique peut être modifié par l'activation.
  14. Fibre de sécurité destinée à être incorporée dans un document de valeur et/ou de sécurité comprenant une matrice et au moins un matériau caractéristique, qui produit une luminescence en cas d'excitation appropriée avec des rayons électromagnétiques et/ou absorbe de la lumière et/ou diffuse de la lumière, sachant que la fibre de sécurité peut passer ou passe, aux fins de la vérification du document de valeur et/ou de sécurité, d'un premier coloris, dans lequel le matériau caractéristique au moins au nombre de un produit une luminescence et/ou absorbe de la lumière et/ou diffuse de la lumière, par activation, de manière irréversible, à un deuxième coloris, différent du premier coloris, dans lequel le matériau caractéristique au moins au nombre de un produit une luminescence et/ou absorbe de la lumière et/ou diffuse de la lumière, et que seul le deuxième coloris constitue le coloris approprié aux fins d'une vérification.
EP11788415.5A 2010-12-14 2011-11-16 Élément de sécurité activable Active EP2651654B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010063012.8A DE102010063012B4 (de) 2010-12-14 2010-12-14 Aktivierbares Sicherheitselement
PCT/EP2011/070300 WO2012079905A1 (fr) 2010-12-14 2011-11-16 Élément de sécurité activable

Publications (2)

Publication Number Publication Date
EP2651654A1 EP2651654A1 (fr) 2013-10-23
EP2651654B1 true EP2651654B1 (fr) 2015-04-08

Family

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Application Number Title Priority Date Filing Date
EP11788415.5A Active EP2651654B1 (fr) 2010-12-14 2011-11-16 Élément de sécurité activable

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Country Link
EP (1) EP2651654B1 (fr)
CN (1) CN103492191B (fr)
DE (1) DE102010063012B4 (fr)
WO (1) WO2012079905A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014011383A1 (de) * 2014-08-01 2016-02-04 Giesecke & Devrient Gmbh Sicherheitselement, Wertdokument-Substrat, Sicherheitspapier, Wertdokument und Verfahren zur Herstellung desselben und Trensferband
DE102016005415A1 (de) * 2016-05-03 2017-11-09 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement mit lumineszierendem Aufdruck
CN108656783B (zh) * 2018-04-18 2019-12-03 中国印钞造币总公司 一种安全制品及其检测方法和检测系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE371948C (de) 1922-04-16 1923-03-19 Hoechst Ag Verfahren zur Herstellung hofbildender Melierfasern
US4544183A (en) * 1983-08-05 1985-10-01 Computer Identification Systems Identification card with a radiant energy reactive coating
GB8724570D0 (en) 1987-10-20 1987-11-25 De La Rue Thomas & Co Ltd Fluorescent compounds
US5289547A (en) * 1991-12-06 1994-02-22 Ppg Industries, Inc. Authenticating method
DE19731968A1 (de) * 1997-07-24 1999-01-28 Giesecke & Devrient Gmbh Sicherheitsdokument
NL1013644C2 (nl) * 1999-11-23 2001-05-28 Dsm Nv Laser-markeerbare polymeersamenstelling.
EP1345166A1 (fr) * 2002-03-15 2003-09-17 Kba-Giori S.A. Elément de sécurité pour support de données
AT500915B8 (de) * 2004-07-13 2007-02-15 Oebs Gmbh Verfahren zum prüfen eines sicherheitsdokumentes
US7192471B2 (en) 2004-09-24 2007-03-20 Honeywell International Inc. Aryl-ureido benzoxazinone compounds
DE102004046695A1 (de) * 2004-09-24 2006-03-30 Giesecke & Devrient Gmbh Optisch variables Sicherheitselement
US7740693B2 (en) 2007-10-01 2010-06-22 Honeywell International Inc. Organic fluorescent sulfonyl ureido benzoxazinone pigments
DE102009052073A1 (de) 2009-11-05 2011-05-12 Giesecke & Devrient Gmbh Verfahren zur Individualisierung eines Sicherheitselements

Also Published As

Publication number Publication date
DE102010063012B4 (de) 2018-10-18
DE102010063012A1 (de) 2012-06-14
WO2012079905A1 (fr) 2012-06-21
EP2651654A1 (fr) 2013-10-23
CN103492191B (zh) 2016-10-19
CN103492191A (zh) 2014-01-01

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