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WO2008028476A2 - Document de sécurité et / ou de valeur à particules sers - Google Patents

Document de sécurité et / ou de valeur à particules sers Download PDF

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Publication number
WO2008028476A2
WO2008028476A2 PCT/DE2007/001595 DE2007001595W WO2008028476A2 WO 2008028476 A2 WO2008028476 A2 WO 2008028476A2 DE 2007001595 W DE2007001595 W DE 2007001595W WO 2008028476 A2 WO2008028476 A2 WO 2008028476A2
Authority
WO
WIPO (PCT)
Prior art keywords
security
sers
particles
value document
active particles
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.)
Ceased
Application number
PCT/DE2007/001595
Other languages
German (de)
English (en)
Other versions
WO2008028476A3 (fr
Inventor
Malte Pflughoefft
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39078927&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2008028476(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bundesdruckerei GmbH filed Critical Bundesdruckerei GmbH
Priority to EP07801330.7A priority Critical patent/EP2059397B1/fr
Publication of WO2008028476A2 publication Critical patent/WO2008028476A2/fr
Publication of WO2008028476A3 publication Critical patent/WO2008028476A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/378—Special inks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/373—Metallic materials
    • B42D2035/34—

Definitions

  • the invention relates to a security and / or value document containing at least one security feature which is mounted in a defined spatial position in the security and / or value document, a method for producing such a security and / or value document, a method for verifying such a security - And / or value document and an ink for producing such a security and / or value document.
  • the Raman effect is based on the scattering of electromagnetic radiation, in particular light, at a scattering center, wherein absorption of a portion of the incident radiation by excitation of rotations or vibrations of the scattering center takes place simultaneously with the scattered pulse change of the scattered radiation with respect to the incident radiation.
  • This energy transfer distinguishes the Raman effect from the Rayleigh scattering, in which no energy transfer takes place, but only a scattered pulse change.
  • Raman spectroscopy A further development of Raman spectroscopy is the so-called surface-enhanced Raman spectroscopy (SERS).
  • SERS surface-enhanced Raman spectroscopy
  • an amplification of the Raman signal by a factor of 10 6 to 10 12 achieved in that the scattering centers are brought into contact with certain rough metal surfaces, typically metallic nanoparticles, such as Ag, Au, or Cu nanoparticles.
  • metallic nanoparticles such as Ag, Au, or Cu nanoparticles.
  • This effect is associated with the resonant excitation of surface plasmons.
  • An overview of the electromagnetic theory of SERS and the various processes involved can be found, for example, in the reference M. Moskovits, Journal of Raman Spectroscopy 36: 485-496 (2005).
  • US Pat. No. 9,995,839 discloses a scanning system for Raman examination of documents, wherein the materials normally used in the document are identified on the basis of the Raman signal and thus the document is verified.
  • the SERS effect is used, for example, in particles described in US-2002/0104762. These can be formed, for example, as nanobar codes, wherein the particles are formed as a few microns long rods, which are composed of layers of different materials and thereby form the barcode. When measuring with sufficient local resolution ( ⁇ l ⁇ m), the barcode can be read out.
  • the rods can be coated with a reporter substance to increase sensitivity and selectivity, resulting in an intense and environmentally independent signal or signal sequence. Such Particles are discussed for use in product protection.
  • the invention is based on the technical problem of specifying a security and / or value document which can be examined and verified in a particularly simple manner by means of SERS and without changing the security and / or value document.
  • the invention is based on the further technical problem of specifying a security and / or value document whose analyzability with SERS is not limited to the surface.
  • the invention is based on the technical problem of providing a particularly simple and inexpensive security and / or valuable document which can be verified by means of SERS.
  • the invention teaches a security and / or value document containing at least one security feature which in a defined spatial position in the security and / or
  • Value document is attached and contains SERS-active particles, wherein the particles are in direct contact with a Raman-active polymer of a polymer layer or a print layer of the security and / or value document.
  • value and / or security document includes in the context of the invention in particular identity cards, passports, ID cards, access control cards, visas, tax stamps, tickets, driver's licenses, motor vehicle papers, banknotes, checks, postage stamps, credit cards, any smart cards and adhesive labels (eg product assurance).
  • security and / or value documents typically have a substrate, a printing layer and optionally a transparent cover layer.
  • a substrate is a support structure to which the print layer is applied with information, images, patterns, and the like.
  • a substrate may be single-layered or multi-layered. Suitable materials for a substrate or a substrate layer are all customary materials based on paper and / or plastic in question.
  • a security feature is a subarea (area or volume) of the security and / or value document that can be used to verify the security and / or value document.
  • the subarea can be structureless, but it can also be a pattern.
  • Such a pattern may be a similar pattern for different security and / or value documents.
  • the pattern is suitable for verification of one type of security and / or valuable document. Examples of such document type-specific lateral patterns are: seals, coats of arms, regular or irregular surface patterns, such as line coats or guilloches, ID and 2D barcodes. This may be visible or um Under normal light, non-visible patterns, where the invisible patterns differ from the visible patterns in that the non-visible patterns first become visible by technical means such as UV source.
  • the pattern can also be an individual pattern for different security and / or value documents (of the same document type), which pattern is coded in particular for identification information of the security and / or value document. For example, for individual patterns come the following
  • coded data alphanumeric strings, such as personal records, pieces of personal records, such as names, forenames, address, date of birth, place of birth, and / or document data, parts of document data, such as
  • Serial number, issuing authority, issue date, expiration date, and other data in particular digital data, public key (in the case of a readable-chip document or for access to centralized or decentralized databases) and / or checksums, and biometric data such as a photograph, fingerprint, vein pattern for example, the hand or a finger, iris and / or retina.
  • biometric data such as a photograph, fingerprint, vein pattern for example, the hand or a finger, iris and / or retina.
  • this string can also be a string not otherwise shown in the document.
  • SERS-active particles are particles which, on contacting the particles with a substance to be examined by Raman spectroscopy, have an increased signal intensity of at least 10 3 , in particular by at least 10 5 , compared with a Raman signal on the substance without contact with SERS active particles. It is essential to understand that the intensity of an SERS signal is by no means a function of the concentration or density of the SERS active particles. If a SERS signal is obtained due to a SERS-active particle, the addition of further SERS-active particles does not result in a significant increase in the SERS signal. Reference is additionally made to the reference M. Moskovits, Journal of Raman Spectroscopy 36: 485-496 (2005).
  • the security and / or value document remains completely unchanged as a result of the examination of the security feature and can still be used.
  • This can also be a repeated examination of the security feature or the security and / or
  • Value documents are made without any changes of the security and / or value document, in contrast to the known preparation of the security and / or value document with a colloidal solution. As a result, the expense of a preparation with the associated waiting time is avoided by the invention. Verification can be quick and easy.
  • the positioning of the security feature or its examination is not limited to the surface of the security and / or value document. Rather, the security feature can be arranged at any point of the security and / or value document, even in the volume. Thus, the security feature can be set up in the substrate, in a printing layer or in a generally transparent cover layer of the security and / or value document.
  • the SERS-active particles are introduced at the desired location or layer for the security feature, which is easily possible in the course of the production process of the substrate or a print layer or cover layer.
  • the SERS signal then originates from the material matrix surrounding the SERS active particles, which typically contains organic polymers which are Raman active.
  • the SERS active particles contain metallic copper, silver, gold, alkali metal, and / or coin metal. It may also be alloys with one or more such metals. They may consist of this, but also in the context of composite particles, such as core-shell particles, be set up.
  • Non-exhaustive examples include: coated with said metals or alloys inorganic particles, such as oxide particles, for example of SiO 2 , or polymer particles.
  • the SERS-active particles typically have a volume in the range of 1 nm 3 to 10 9 nm 3 , preferably from 1 nm 3 to 10 5 nm 3 , most preferably from 1 nm 3 to 10 3 nm 3 . It should be noted that SERS-active particles are typically clusters of nanoparticles (with a volume of up to 10 9 nm 3 ) of the metals concerned.
  • the number of particles is not critical due to the signal intensity independent thereof (see above), it is preferable that their number in the volume unit of the security feature is in the range of 10 ⁇ 6 or 10 ⁇ 3
  • Particles / ⁇ m 3 to 10 9 particles / ⁇ m 3 in particular in the range of 10 particles / ⁇ m 3 to 10 6 particles / ⁇ m 3 , preferably in the range of 10 2 particles / ⁇ m 3 to 10 4 particles / ⁇ m 3 .
  • the particles do not have a cladding layer with a Raman active substance, but are directly contacted with a polymer of a polymer layer or ink, this polymer itself being Raman active.
  • This allows a simple and cost-effective production of the security and / or value document.
  • information about the materials of the examined safety and / or value document is obtained on the basis of the Raman spectra or resonances so that verification (with materials that are true to the original) or detection of counterfeiting (with materials that are not true to the original) can be carried out easily.
  • the term "Raman-active" means that a Raman spectrum or specific resonance frequency specific to the polymer layer or color or ink is obtained.
  • a Raman active material may be a synthetic organic polymer having one or more functional groups (such as, but not limited to, carbonyl, carboxyl, hydroxy, thiol, ether, thioether, nitro, nitroso, sulfonyl, sulfo, Phospho, phosphonyl, amino, etc.).
  • the functional group or functional groups may also be, for example, aromatics, conjugated aromatics and heterocycles, such as quinolinyl, dioxanyl, furanyl, imidazolyl, indolyl, morpholinyl, oxazolyl, oxiranyl (ethylene oxide),
  • a security feature there are various possibilities. It can be simple or multiple. With multiple devices, the security features may be the same or different with respect to the SERS signal. Various security features are obtained, for example, in that the SERS-active particles in different matrices of the security and / or value document are embedded.
  • An inventive security feature can be arranged at any position of the security and / or value document. Thus, it can be arranged in a substrate or any substrate layer in the case of multilayer substrates, a print layer and / or a cover layer, ie at any depth.
  • the shape of the security feature which is determined by the distribution of the SERS-active particles, can be arbitrary.
  • the security feature can be a homogeneous security feature, ie the distribution of the SERS-active particles is homogeneous within the security feature.
  • the security feature can also form a pattern, ie the distribution of the SERS-active particles is inhomogeneous (typically in a lateral direction, ie in directions parallel to a main surface of the security and / or value document) and forms the pattern. Then by spatially resolved SERS not only a verification of the SERS signal per se, but also on the specific pattern and its evaluation and comparison with target patterns done.
  • Several security features may be implemented in different layers (including the substrate) of the security and / or value document, ie at different depths.
  • the invention further relates to a method for
  • Suitable printing methods for producing such a security feature are the methods of deep, high, flat, and through-pressure which are well known to the person skilled in the art. These include: gravure printing, gravure printing, flexographic printing, letter set, offset or screen printing.
  • digital printing methods such as thermal transfer printing, ink jet printing or thermal sublimation printing are suitable.
  • the invention furthermore relates to a method for verifying a security and / or value document according to the invention, wherein the security feature is subjected to a SERS examination and the resulting SERS spectrum or SERS signal is given a SOI-SERS signal. Spectrum or a desired SERS signal is compared.
  • the desired SERS spectrum or desired SERS signal can be stored in a database and retrievable. If there is a match, the examined security and / or value document is verified; if it does not match, it is recognized as a forgery and can be confiscated or rejected.
  • verification can also take place via the detected position of the security feature within the security and / or value document by performing a spatially resolved SERS measurement and aligning the security and / or value document in a defined manner.
  • a spatially resolved measurement can take place at one (or more) fixed (resonance) frequency, as is familiar to the person skilled in the art.
  • the verification takes place via the material characterization of the substance surrounding the SERS-active particles.
  • the presence or absence of a Raman-active substance in the SERS-active particles is determined, which is recommended, for example, in the spatially resolved examination.
  • the SERS examination can also be performed spatially resolved, for example by means of confocal Raman microscopy. This also makes it possible to pattern capture or detect a security feature executed as a pattern and with a desired pattern, stored in a database or attached to or in the security and / or value document patterns or information calculated or taken, to compare. If the pattern also matches, the examined security and / or value document is verified; if it does not match, it is recognized as a forgery even with per se SERS spectra or signals and can be confiscated or rejected.
  • these can each be subjected to a SERS examination, and the SERS spectra or SERS signals obtained are then compared with desired SERS spectra or signals respectively assigned to the spatial positions.
  • the pattern recognition described above can additionally take place with one or more of the security features, provided that these are designed as a pattern.
  • the invention relates to an ink or ink for the production of a security feature according to the invention containing SERS-active particles.
  • the other ingredients of the present invention are in accordance with the inks and inks of the prior art and typically include the usual other components of paints or inks, such as binders, penetrants, modifiers, biocides, surfactants, buffering agents, Solvents (water and / or organic solvents), fillers, pigments, dyes, effect pigments, anti-foaming agents, anti-settling agents, UV stabilizers, etc.
  • Suitable dye and ink formulations for various printing processes are those of ordinary skill in the art from the prior art well-known and used in the invention SERS-active particles are so far in place of or in addition to conventional dyes or pigments • admixed.
  • the proportion of the SERS active particles in the ink may be, for example, in the range of 0.00001 to 50% by weight, preferably 0.001 to 10% by weight, most preferably 0.001 to 2% by weight, based on the total weight of the ink between color.
  • Example 1 Lamination of SERS-active particles in two plastic layers.
  • FIGS. 1a and 1b show the production of a security feature according to the invention between two layers (substrate layers or substrate layer and covering layer).
  • SERS-active particles 1 for example Au nanoparticles, without further components except, if appropriate, a solvent in which the SERS-active particles 1 are suspended are applied to a first Raman-active polymer layer 2, for example by means of a Printing technique ( Figure Ia). Then, on the side of the first polymer layer 2 with the SERS-active particles 1, a second, optionally also Raman-active,
  • Polymer layer 3 preferably of the same polymer, like that of the first polymer layer 2, launched. Finally, the first polymer layer 2 and the second polymer layer 3 are laminated together, for example by gluing or welding (FIG. 1b). In the case of bonding carries the first
  • a security and / or value document containing the illustrated first polymer layer 2 and second polymer layer provides SERS spectra or signals due to the Raman activity of the polymer material contacted with the SERS active particles, which are therefore specific for this purpose. There are two of these
  • a SERS spectrum provides information about the polymer material. If the SERS spectrum does not correspond to a SERS nominal spectrum of the polymer material used for genuine documents, then the investigated
  • Security and / or value document a polymer material that is different from genuine security and / or value documents, whereby the forgery can be detected.
  • the spatial arrangement, laterally (in directions of the main plane of the layers 2, 3) and / or with respect to the depth (in directions orthogonal to the Main plane of the layers 2, 3) of the security feature forming SERS-active particles are determined and compared with a desired arrangement.
  • Example 2 Laminating a paint or ink with
  • This example is substantially similar to Example 1, except that the SERS active particles 1 is colored or inked with a synthetic organic polymer-based component different from the polymer material of the first polymer layer 2 and the second polymer layer 3 , are printed on the first polymer layer 2. As a result, a printing layer 4 is formed (FIG. 2). On this print layer 4, the second polymer layer 3 is then laminated.
  • the security feature is arranged inside the security and / or value document thus formed and can not be worn or rubbed off. In addition, a manipulation is at least difficult.
  • the security and / or value document at another position contains an area with the same color or ink, although no SERS-active Particles 1 are contained in the color or ink, or a color or ink with the same-looking color. As a result, it is not visually apparent at which position the security feature is set up, which makes forgery more difficult.
  • SERS signals or spectra which are obtained on areas with ink or color without SERS-active particles 1 and on a security feature according to the invention, it can be determined whether an adjustment and / or manipulation of the security and / or or value document was carried out.
  • Example 3 Security and / or value document with several security features
  • FIG. 3 shows a security and / or value document according to the invention, wherein a plurality of regions 6, 7, 8 are arranged at different positions, laterally and with respect to depth, with SERS-active particles 1. It can further be seen that various layers 9, 10, 11, 12 are set up within the framework of the security and / or value document. Within the scope of the ranges ⁇ , 7, 8, the variants of examples 1 to 3 can each be set up independently of one another, which is not shown for the sake of clarity.
  • the areas 6, 7, 8 form a defined three-dimensional pattern.
  • Pattern recognition and thus verification may be two-dimensional or by means of, for example, confocal Raman microscopy done in three dimensions. The establishment of such a pattern, in particular three-dimensional makes it difficult to reconstitute or manipulate the security and / or value document quite considerably.
  • SERS spectra of a region 6, 7, 8 or multiple regions 6, 7, 8 can also be recorded, whereby a verification of the above-described characterization of the substance in contact with the SERS-active particles 1 takes place. Such a combination provides extremely high protection against readjustment and manipulation.
  • Example 4 Ink according to the invention
  • the total content of water considering the water introduced with the cartasol is 30% by weight based on the total amount of ink.
  • the use of cartasol also contains 1% by weight of acetic acid, based on the total amount of ink.
  • the conventional ink thus prepared becomes 0.001 Wt .-%, based on the total amount of ink, mixed with SERS-active Au nano modifier and the ink is homogenized.

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Peptides Or Proteins (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

Document de sécurité et / ou de valeur contenant au moins une caractéristique de sécurité qui est incluse dans le document de sécurité et / ou de valeur dans une position spatiale définie et qui contient des particules actives pour l'exaltation Raman de surface (SERS).
PCT/DE2007/001595 2006-09-07 2007-09-05 Document de sécurité et / ou de valeur à particules sers Ceased WO2008028476A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07801330.7A EP2059397B1 (fr) 2006-09-07 2007-09-05 Document de sécurité et / ou de valeur à particules sers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006043107A DE102006043107A1 (de) 2006-09-07 2006-09-07 Sicherheits- und/oder Wertdokument mit SERS-aktiven Partikeln
DE102006043107.3 2006-09-07

Publications (2)

Publication Number Publication Date
WO2008028476A2 true WO2008028476A2 (fr) 2008-03-13
WO2008028476A3 WO2008028476A3 (fr) 2008-09-04

Family

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PCT/DE2007/001595 Ceased WO2008028476A2 (fr) 2006-09-07 2007-09-05 Document de sécurité et / ou de valeur à particules sers

Country Status (3)

Country Link
EP (1) EP2059397B1 (fr)
DE (1) DE102006043107A1 (fr)
WO (1) WO2008028476A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013016134A1 (de) 2013-09-27 2015-04-02 Giesecke & Devrient Gmbh Wertdokument und Verfahren zur Überprüfung des Vorliegens desselben
DE102013016121A1 (de) 2013-09-27 2015-04-02 Giesecke & Devrient Gmbh Wertdokument und Verfahren zur Überprüfung des Vorliegens desselben
WO2015136431A1 (fr) 2014-03-13 2015-09-17 Arjowiggins Security Document de securite et particules synthetiques
EP3275684A1 (fr) 2016-07-29 2018-01-31 Giesecke+Devrient Mobile Security GmbH Empreinte d'un document de securite

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006043107A1 (de) 2006-09-07 2008-03-20 Bundesdruckerei Gmbh Sicherheits- und/oder Wertdokument mit SERS-aktiven Partikeln
DE102010060563A1 (de) * 2010-11-15 2012-05-16 Technische Universität Dresden Verfahren zur spektroskopischen Bestimmung der Konzentration von Inhaltsstoffen in Papieren oder Folien und Probenhalter zur Durchführung des Verfahrens

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9002335D0 (en) * 1990-02-02 1990-04-04 De La Rue Co Plc Detection apparatus
GB9002360D0 (en) * 1990-02-02 1990-04-04 De La Rue Co Plc Ink composition and components thereof
GB9601604D0 (en) * 1996-01-26 1996-03-27 Ciba Geigy Ag Pigment compositions
GB9609793D0 (en) * 1996-05-10 1996-07-17 Ciba Geigy Ag Pigment compositions
US6259506B1 (en) * 1997-02-18 2001-07-10 Spectra Science Corporation Field activated security articles including polymer dispersed liquid crystals, and including micro-encapsulated field affected materials
AUPP624498A0 (en) 1998-09-29 1998-10-22 Securency Pty Ltd Security document including a nanoparticle-based authentication device
US6275285B1 (en) * 1999-03-16 2001-08-14 Wizard Of Ink & Co. Laser verification and authentication Raman spectrometer (LVARS) detecting the stokes and/or anti-stokes emission
US6008888A (en) 1999-03-16 1999-12-28 Wizard Of Ink & Co. Laser verification and authentication Raman spectrometer (LVARS)
DE10208036A1 (de) 2001-08-16 2003-08-21 November Ag Molekulare Medizin Fälschungssichere Markierung für Gegenstände und Verfahren zur Identifizierung einer solchen Markierung
IL161622A0 (en) 2001-11-01 2004-09-27 Yissum Res Dev Co Ink jet inks containing metal nanoparticles
GB0216197D0 (en) * 2002-07-12 2002-08-21 Univ Strathclyde Serrs active particles
JP2004238554A (ja) 2003-02-07 2004-08-26 Toppan Forms Co Ltd 金属ナノ微粒子を含む光輝性塗工液、光輝性金属箔
JP4517230B2 (ja) 2004-08-31 2010-08-04 三菱マテリアル株式会社 金属微粒子含有組成物、およびその用途
US7285427B2 (en) * 2004-10-06 2007-10-23 General Electric Company Raman-active particles and methods of making and using them
DE602006017644D1 (de) 2005-01-14 2010-12-02 Cabot Corp Sicherheitseinrichtungen sowie verwendung und herstellungsverfahren davon
US20070105229A1 (en) 2005-08-19 2007-05-10 Burns Carolyn A Authentication of packaged articles
DE102006043107A1 (de) 2006-09-07 2008-03-20 Bundesdruckerei Gmbh Sicherheits- und/oder Wertdokument mit SERS-aktiven Partikeln

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013016134A1 (de) 2013-09-27 2015-04-02 Giesecke & Devrient Gmbh Wertdokument und Verfahren zur Überprüfung des Vorliegens desselben
DE102013016121A1 (de) 2013-09-27 2015-04-02 Giesecke & Devrient Gmbh Wertdokument und Verfahren zur Überprüfung des Vorliegens desselben
WO2015043760A2 (fr) 2013-09-27 2015-04-02 Giesecke & Devrient Gmbh Document de valeur et procédé pour en vérifier l'existence
US9542788B2 (en) 2013-09-27 2017-01-10 Giesecke & Devrient Gmbh Value document and method for checking the presence of the same
US9540772B2 (en) 2013-09-27 2017-01-10 Giesecke & Devrient Gmbh Value document and method for checking the presence of the same
WO2015136431A1 (fr) 2014-03-13 2015-09-17 Arjowiggins Security Document de securite et particules synthetiques
EP3275684A1 (fr) 2016-07-29 2018-01-31 Giesecke+Devrient Mobile Security GmbH Empreinte d'un document de securite
DE102016009260A1 (de) 2016-07-29 2018-02-01 Giesecke+Devrient Mobile Security Gmbh Fingerabdruck eines Sicherheitsdokuments

Also Published As

Publication number Publication date
WO2008028476A3 (fr) 2008-09-04
EP2059397A2 (fr) 2009-05-20
EP2059397B1 (fr) 2015-11-11
DE102006043107A1 (de) 2008-03-20

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