WO2013050140A1 - Sicherheitselement mit farbkippeffekt, verfahren zu dessen herstellung und dessen verwendung - Google Patents
Sicherheitselement mit farbkippeffekt, verfahren zu dessen herstellung und dessen verwendung Download PDFInfo
- Publication number
- WO2013050140A1 WO2013050140A1 PCT/EP2012/004141 EP2012004141W WO2013050140A1 WO 2013050140 A1 WO2013050140 A1 WO 2013050140A1 EP 2012004141 W EP2012004141 W EP 2012004141W WO 2013050140 A1 WO2013050140 A1 WO 2013050140A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- security element
- layer
- optically variable
- carrier substrate
- variable effect
- 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
Links
Classifications
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- 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
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- 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
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- 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
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- 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
- B42D25/324—Reliefs
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- 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
- B42D25/328—Diffraction gratings; Holograms
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- 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
- B42D25/351—Translucent or partly translucent parts, e.g. windows
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- 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
- B42D25/355—Security threads
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- 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
- B42D25/364—Liquid crystals
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- 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
- B42D25/369—Magnetised or magnetisable materials
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- 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
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- 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
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- 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
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- 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
- B42D25/43—Marking by removal of material
- B42D25/445—Marking by removal of material using chemical means, e.g. etching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
- B42D25/465—Associating two or more layers using chemicals or adhesives
- B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives
Definitions
- Color-flip security element process for its manufacture and its use
- the invention relates to a, a Farbkipp bin exhibiting, security element, which additionally recognizable in transmitted light has recesses, a method for its preparation, and its use.
- Color-shift effect is the use of a coating
- EP 0 435 129 A discloses a data carrier with a liquid-crystalline security element, wherein the material is a liquid-crystal polymer which is present in an oriented form and at room temperature as a solid.
- WO 00/50249 A discloses a security element comprising an optically variable material, which may be, for example, a liquid-crystalline material, and at least one additional machine-readable feature substance in the same layer.
- EP 1 580 297 A discloses a film material, in particular for security elements, which has a full-area or partial opaque coating, wherein the opaque coating is produced from a single material component by means of a PVD or CVD method and has different color impressions from different sides .
- the object of the invention was to provide a security element comprising a material having an optically variable effect, preferably a color shift effect, and recesses recognizable in transmitted light, wherein the security element is designed such that it provides both optimum recognition of the optically variable effect allowed, as viewed in reflection in a value document in at least partially embedded state, from the back through the paper surface is not recognizable.
- the invention therefore provides a security element which has a coating of a material which has an optically variable effect, in particular a color shift effect and recognizable recesses in the transmitted light, wherein the security element comprises a carrier substrate and a partial layer with recesses, characterized in that the Partial layer is formed of an opaque coating on the, the coating of the material having an optically variable effect, side facing light-absorbing properties and on the, the coating of the material having an optically variable effect, side facing away has a metallic coloring, wherein the partial opaque coating consists of a light-absorbing metallic layer and a reflective metallic layer.
- the recesses When viewed in transmitted light, the recesses can be seen as a clear contrast to the areas which have a light-absorbing and a reflective metallic layer.
- the security element if it is embedded in a document of value, is not or barely recognizable even in incident light from the back through the paper surface. From the back, however, the recesses are clearly visible in transmitted light. From the front of the oprisch variable effect and the recesses in reflected light are clearly visible.
- carrier films preferably transparent flexible plastic films, for example from PI, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC, PTFE, ETFE (ethylene tetrafluoroethylene), PFA (tetrafluoroethylene-perfluoropropyl vinyl ether fluorocopolymer), MFA (tetrafluoromethylene-perfluoropropyl vinyl ether fluorocopolymer), PTFE (polytetrafluoroethylene), PVF (polyvinyl fluoride), PVDF (polyvinylidene fluoride), and EFEP (ethylene Tetrafluoroethylene-hexafluoropropylene fluoropolymer).
- the material having an optically variable effect may be an ink containing pigments of liquid crystal material.
- the pigments consist of cholesteric or a mixture of nematic and cholesteric liquid crystals.
- OMI pigments optically variable interference pigments
- Such pigments are described, for example, in US 2003/0207113.
- iridescent pigments for example, Iriodine ® pigments can be used.
- Iriodine ® is based on naturally occurring mineral mica flakes encased in semi-transparent metal oxides.
- the light-absorbing metallic layer may consist of unstoichiometric alumina, preferably having an oxygen content of about 19-58 at%, and the reflective metallic layer of aluminum.
- the recesses in the light absorbing metallic layer and the reflective metallic layer are perfectly congruent and may be in the form of characters, letters, numbers, images, symbols, lines, guilloches, and the like. Also combinations of these forms are possible.
- the recesses may also be in negative form, that is, for example, the area around a character, a letter and the like forms the recess.
- the security element according to the invention can also have further security features which can be present in further layers.
- These security features for example, can have certain chemical, physical and also optical or optical active properties.
- paramagnetic, diamagnetic and also ferromagnetic substances such as iron, nickel and cobalt or their compounds or salts (for example oxides or sulfides) can be used.
- Particularly suitable are magnetic pigment paints with pigments based on Fe oxides, iron, nickel cobalt and their alloys, barium or cobalt ferrites, hard and soft magnetic iron and steel grades in aqueous or solvent-containing dispersions.
- suitable solvents are i-propanol, ethyl acetate, methyl ethyl ketone, methoxypropanol and mixtures thereof.
- the pigments are preferably incorporated in acrylate polymer dispersions having a molecular weight of from 150,000 to 300,000, in nitrocellulose, acrylate-urethane dispersions, acrylate-styrene or PVC-containing dispersions or in solvent-containing dispersions of this type.
- the magnetic layer may also have a coding. Both magnetic materials of the same coercivity and / or remanence as well as different coercivity and / or remanence can be used to form the coding.
- the reflective metallic layer may itself have magnetic properties. This is achieved, for example, by the use of a magnetic material such as Fe, Ni, Co.
- the optical properties of the layer can be influenced by visible dyes or pigments, luminescent dyes or pigments which fluoresce or phosphoresce in the visible, in the UV region or in the IR region, heat-sensitive inks or pigments. These can be used individually or in all possible combinations.
- optically active characteristics are here diffraction structures, diffraction gratings, kinegrams, holograms, DID understood ® (0th order in conjunction with thin films microstructures).
- optically active features can be produced, for example, by known UV embossing processes, as described, for example, in EP 1 310 381 A or by hot embossing processes
- this is usually provided on one or both sides with an adhesive coating.
- This adhesive coating can be carried out either in the form of a heat-seal, cold-seal or self-adhesive coating.
- the security element can also be protected by one or more protective lacquer layer (s), which may be pigmented or unpigmented, or further refined, for example, by laminating or the like.
- protective lacquer layer may be pigmented or unpigmented, or further refined, for example, by laminating or the like.
- Another object of the invention is a method for producing a security element comprising a material which causes an optically variable effect, in particular a color-shift effect and recesses recognizable in transmitted light, comprising the following method steps:
- a paint application soluble in a solvent in the form of the later recesses is applied to the carrier substrate, in a second step this layer is optionally treated by means of an in-line plasma, corona or flame process and
- the application of paint takes place either in the form of characters, letters, numbers, images, symbols, lines, guilloches or a dot or line grid or a halftone screen and the like, or such that the application of color the outlines of the characters, letters, numbers, images, symbols , Lines, guilloches, a dot or line raster or halftone raster, and the like.
- the recesses in the finished structure in transmitted light
- the characters, letters, numbers, images, symbols, lines, guilloches, and the like are dark in transmitted light, the areas around these characters, letters , Numerals, images, symbols, lines, guilloches and the like form the recesses recognizable by transmitted light.
- the application of the paint can be done by any method, for example by gravure printing, flexographic printing, screen printing, digital printing and the like.
- the color or lacquer used is soluble in a solvent, preferably water, but it is also possible to use a dye soluble in any solvent, for example in alcohol, esters and the like.
- the color or the colored lacquer can be customary compositions based on natural or artificial macromolecules.
- the soluble color may be pigmented or unpigmented.
- pigments all known pigments can be used. Particularly suitable are ⁇ 1 ⁇ 2 , ZnS, kaolin and the like.
- a thin metal or metal oxide layer can be applied as adhesion promoter, for example by sputtering or vapor deposition.
- Particularly suitable are Cr, Ti, T1O2, Si oxides or chromium oxides.
- This adhesive layer generally has a thickness of 0.1 nm - 5 nm, preferably 0.2 nm - 2 nm, particularly preferably 0.2 to 1 nm.
- the application of the reflective metallic layer by PVD or CVD method such as by thermal evaporation, by sputtering or Elektronenstrahlbedampfung.
- the coating is applied under vacuum (up to 10 "12 mbar, preferably 10 " 2 to 10 "6 mbar) at a temperature dependent on the vapor pressure and the thickness of the coating to be applied on the carrier substrate, for example by thermal evaporation, arc or Electron beam evaporation deposited.
- Another possibility is the application of the coating by AC or DC sputtering, wherein the appropriate method is selected depending on the thickness of the layer to be applied and the material used.
- gaseous precursor compounds eg organometallic precursor compounds
- precursors gaseous precursor compounds
- an inert carrier gas eg N2, argon
- gaseous precursors can be, for example, CO, CO 2, oxygen, silanes, methane, ammonia, ferrocene, trimethylaluminum, or the like.
- the recesses may also be made by a known etching process.
- the reflective and the light-absorbing metallic layer are applied to the carrier substrate, and then an etching resist is applied, which leaves open the later recesses.
- the areas of the two layers not covered by the etch resist are removed by etching. Possibly. the etch resist can then be removed.
- a full-surface or partial layer of an optically variable effect material is applied.
- Application may be by any method, such as gravure, flexo, screen, digital, roll or reverse, curtain coating, spin coating, and the like.
- the method for producing the security element can be carried out as follows:
- the structure of the layers having recognizable recesses in the transmitted light is applied to a second carrier substrate, while the layer of an optically variable effect material is applied to the first carrier substrate.
- liquid crystal polymers which are applied in the form of their monomers in a solution and then crosslinked, as a layer having an optically variable effect
- this embodiment is preferred.
- the molecular chains can thereby orient themselves on the carrier substrate.
- the layers applied to the second carrier substrate are laminated against the layers present on the first carrier substrate, optionally the first carrier substrate can be removed depending on the use of the security element.
- security features having optically, optically active, electrically conductive or magnetic properties can be applied to the first and / or the second carrier substrate or to the layers present thereon, or already applied thereto.
- the security element produced in this way can then be provided on one or both sides with one or more protective lacquer layer (s) and / or an adhesive coating.
- a further subject matter of the invention is a method for producing a transferable security element comprising a material which produces an optically variable effect, in particular a color-shift effect, and recesses recognizable in transmitted light, comprising the following method steps:
- FIGS. 1 to 5 show security elements according to the invention. Mean in it
- an adhesive coating for example a heat sealing lacquer layer
- Fig. 2 shows the layer of an optically variable effect causing material 3 a laminating adhesive layer
- the substrate of a document of value for example paper.
- FIG. 1 a suitable for at least partial embedding and application security element is shown.
- the structure of the layers is carried out on a carrier substrate 8.
- a carrier substrate 8 In this case, first the partial reflective metallic layer 5 and the partial light-absorbing metallic layer 4 with the recesses 10 and then a full-surface layer 2 of a material having an optically variable effect applied.
- FIG. 1a shows the security element shown in FIG. 1 when viewed in reflected light from the side of the layer 2, which has an optically variable effect.
- the optically variable effect may be, for example, a color shift effect. In the areas in which the layer 2 is above the light-absorbing metallic layer 6 and the reflective metallic layer 5, a strong color is recognizable.
- the security element is tilted so that the viewing angle changes, a color change is visible, in particular in the areas in which the layers 2, 4 and 5 lie one above the other.
- the areas in which the layer 2 comes to rest over the recesses 10, show no or only slightly recognizable color impression in reflected light.
- the area in which the layers 2, 4 and 5 lie one above the other appears opaque.
- the recesses 10 are visible in transmitted light as a bright area with a strong contrast to the surrounding dark areas
- the security element according to the invention is shown as a transfer element.
- a transfer element is preferably used when the security element is not embedded in a value document but is applied to the surface of a value document.
- the layer of an optically variable effect material 2 and subsequently the light-absorbing metallic layer 4 and the reflective metallic layer 5 with the recesses 10 are applied as the first layer.
- the security element is provided with a protective lacquer layer 6 and an adhesive coating 1, preferably a heat seal adhesive coating.
- the adhesion of the layers 2 to layer 8 is less than the adhesion of the layers 2, 4, 5, 6, 1 and 8 with each other.
- FIG. 4 shows the transfer element applied to a substrate of a value document, for example banknote paper.
- the transfer element is applied by means of the heat seal adhesive coating 1 on the substrate of the document of value 12, the carrier substrate 8 is then removed.
- the structure remaining on the document of value is then only a few micrometers thick and does not lead to a significant thickening of the document of value at this point in order to avoid thickness-related problems during stacking.
- FIG. 5 shows a security element according to the invention, the construction of which essentially corresponds to the construction shown in FIG. 1, but which additionally has a partial magnetic layer 7. Further, an additional partial reflective metallic layer 11 is provided to cover the dark magnetic regions 7.
- the security element In an application as a security thread, which is at least partially embedded in the document of value, the security element is usually still provided on both sides with an adhesive coating, which ensures a secure anchoring of the thread in the document of value.
- the security elements according to the invention are optionally after appropriate assembly as security features in data carriers, in particular value documents such as identity cards, cards, banknotes or Labels, seals and the like suitable, but also suitable as packaging material, for example in the pharmaceutical, electronics and / or food industry, for example in the form of blister films, cartons, covers, film packaging and the like.
- the substrates or film materials are preferably cut into strips, threads or patches, wherein the width of the strips or threads may preferably be 0.5-20 mm and the patches preferably have average widths or lengths of 0.3. 20 mm.
- the film material is preferably cut into strips, tapes, threads or patches, the width of which of the threads, strips or tapes being preferably 0.5-50 mm and the patches preferably being average widths and lengths of 2 - 30 mm.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Business, Economics & Management (AREA)
- Finance (AREA)
- Accounting & Taxation (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Credit Cards Or The Like (AREA)
- Laminated Bodies (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2014117705/12A RU2600088C2 (ru) | 2011-10-04 | 2012-10-03 | Защитный элемент с эффектом изменения цвета, способ его изготовления и его применение |
| KR1020147011808A KR102014562B1 (ko) | 2011-10-04 | 2012-10-03 | 변색효과를 갖는 보안요소, 그 제조방법 및 용도 |
| US14/344,076 US9387718B2 (en) | 2011-10-04 | 2012-10-03 | Security element with color-switching effect, use of same and method for producing same |
| CA2847297A CA2847297A1 (en) | 2011-10-04 | 2012-10-03 | Security element with colour-switching effect, use of same and method for producing same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11007998.5A EP2578414B1 (de) | 2011-10-04 | 2011-10-04 | Sicherheitselement mit Farbkippeffekt, Verfahren zu dessen Herstellung und dessen Verwendung |
| EPEP11007998 | 2011-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013050140A1 true WO2013050140A1 (de) | 2013-04-11 |
Family
ID=46982520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2012/004141 Ceased WO2013050140A1 (de) | 2011-10-04 | 2012-10-03 | Sicherheitselement mit farbkippeffekt, verfahren zu dessen herstellung und dessen verwendung |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US9387718B2 (de) |
| EP (1) | EP2578414B1 (de) |
| KR (1) | KR102014562B1 (de) |
| CA (1) | CA2847297A1 (de) |
| ES (1) | ES2441352T3 (de) |
| PL (1) | PL2578414T3 (de) |
| RU (1) | RU2600088C2 (de) |
| SI (1) | SI2578414T1 (de) |
| WO (1) | WO2013050140A1 (de) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT516128A1 (de) * | 2014-07-17 | 2016-02-15 | Hueck Folien Gmbh | Sicherheitselement mit Farbkippeffekt und Manipulationsnachweis |
| FR3026988A1 (fr) * | 2014-10-13 | 2016-04-15 | Arjowiggins Security | Element de securite pour document securise |
| EP3178660B1 (de) | 2015-12-07 | 2019-02-06 | Hueck Folien Ges.m.b.H | Personalisierbares sicherheitselement |
| WO2019219234A1 (de) * | 2018-05-18 | 2019-11-21 | Giesecke+Devrient Currency Technology Gmbh | Herstellungsverfahren für ein sicherheitselement |
| DE102018007096A1 (de) * | 2018-09-07 | 2020-03-12 | Giesecke+Devrient Currency Technology Gmbh | Sicherheitselement |
| WO2022268453A1 (de) * | 2021-06-22 | 2022-12-29 | Giesecke+Devrient Currency Technology Gmbh | Sicherheitselement mit einer markierungsschicht mit mehreren aussparungen und verfahren zum erzeugen eines sicherheitselements |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015003665A1 (de) * | 2015-03-20 | 2016-09-22 | Giesecke & Devrient Gmbh | Sicherheitselement |
| DE102016000592A1 (de) | 2015-12-30 | 2017-07-06 | Giesecke & Devrient Gmbh | Kunststofffolienformteil, Herstellungsverfahren und Blister |
| DE102016010616A1 (de) * | 2016-09-01 | 2018-03-01 | Giesecke+Devrient Currency Technology Gmbh | Sicherheitselement mit mehreren Sicherheitsmerkmalen |
| RU2734530C1 (ru) * | 2017-02-02 | 2020-10-19 | Федригони С.П.А. | Содержащий два металла защитный элемент с прозрачным рисунком |
| RU2660408C1 (ru) * | 2017-08-11 | 2018-07-06 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") | Способ изготовления светопоглощающих элементов оптических систем на титановых подложках |
| EP3738785B1 (de) | 2019-05-14 | 2024-03-13 | Hueck Folien Gesellschaft m.b.H. | Sicherheitselement mit maschinell lesbaren merkmalen |
| KR102432996B1 (ko) * | 2020-05-13 | 2022-08-17 | 엔비에스티(주) | 콜레스테릭 액정 표시층을 포함하는 위변조 방지수단 |
| WO2022033653A1 (de) * | 2020-08-14 | 2022-02-17 | Giesecke+Devrient Currency Technology Gmbh | Langgestrecktes sicherheitselement und herstellungsverfahren eines langgestreckten sicherheitselements |
| EP3939803B1 (de) * | 2020-09-29 | 2024-05-08 | Hueck Folien Gesellschaft m.b.H. | Polymersubstrat zur herstellung von polymer-wertpapieren oder polymer-sicherheitspapieren |
| EP3939802A1 (de) * | 2020-09-29 | 2022-01-19 | Hueck Folien Gesellschaft m.b.H. | Substrat zur herstellung von wertpapieren oder sicherheitspapieren |
| EP4000942A1 (de) * | 2020-11-16 | 2022-05-25 | Hueck Folien Gesellschaft m.b.H. | Sicherheitselement mit maschinenlesbaren sicherheitsmerkmalen |
| US12380305B2 (en) | 2022-03-03 | 2025-08-05 | Electronics And Telecommunications Research Institute | Security code |
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- 2011-10-04 ES ES11007998.5T patent/ES2441352T3/es active Active
- 2011-10-04 SI SI201130128T patent/SI2578414T1/sl unknown
- 2011-10-04 PL PL11007998T patent/PL2578414T3/pl unknown
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2012
- 2012-10-03 CA CA2847297A patent/CA2847297A1/en not_active Abandoned
- 2012-10-03 WO PCT/EP2012/004141 patent/WO2013050140A1/de not_active Ceased
- 2012-10-03 RU RU2014117705/12A patent/RU2600088C2/ru active
- 2012-10-03 KR KR1020147011808A patent/KR102014562B1/ko not_active Expired - Fee Related
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| EP0435129A1 (de) | 1989-12-20 | 1991-07-03 | Dximaging | Metallsalze von beta-Diketonen als Ladungssteuerungsmittel für elektrostatische flüssige Entwickler |
| WO2000050249A1 (de) | 1999-02-23 | 2000-08-31 | Giesecke & Devrient Gmbh | Wertdokument |
| US20030207113A1 (en) | 2000-07-27 | 2003-11-06 | Flex Products, Inc. | Composite reflective flake based pigments |
| EP1310381A2 (de) | 2001-11-09 | 2003-05-14 | Hueck Folien GmbH | Bahnförmige Materialien mit Oberflächenstruktur, Verfahren zu deren Herstellung und deren Verwendung |
| EP1467873A1 (de) | 2002-01-25 | 2004-10-20 | De La Rue International Limited | Verbesserung bei herstellungsverfahren von substraten |
| EP1558449A1 (de) | 2002-08-06 | 2005-08-03 | Hueck Folien Ges.m.b.H | Verfahren zur herstellung von fälschungssicheren identifikationsmerkmalen |
| US20050042449A1 (en) | 2003-07-14 | 2005-02-24 | Jds Uniphase Corporation, | Vacuum roll coated security thin film interference products with overt and/or covert patterned layers |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT516128A1 (de) * | 2014-07-17 | 2016-02-15 | Hueck Folien Gmbh | Sicherheitselement mit Farbkippeffekt und Manipulationsnachweis |
| AT516128B1 (de) * | 2014-07-17 | 2018-05-15 | Hueck Folien Gmbh | Sicherheitselement mit Farbkippeffekt und Manipulationsnachweis |
| FR3026988A1 (fr) * | 2014-10-13 | 2016-04-15 | Arjowiggins Security | Element de securite pour document securise |
| WO2016059005A1 (fr) * | 2014-10-13 | 2016-04-21 | Arjowiggins Security | Element de securite pour document securise |
| EP3206885B1 (de) | 2014-10-13 | 2020-06-17 | Oberthur Fiduciaire SAS | Sicherheitselement für ein sicherheitsdokument |
| EP3178660B1 (de) | 2015-12-07 | 2019-02-06 | Hueck Folien Ges.m.b.H | Personalisierbares sicherheitselement |
| WO2019219234A1 (de) * | 2018-05-18 | 2019-11-21 | Giesecke+Devrient Currency Technology Gmbh | Herstellungsverfahren für ein sicherheitselement |
| DE102018007096A1 (de) * | 2018-09-07 | 2020-03-12 | Giesecke+Devrient Currency Technology Gmbh | Sicherheitselement |
| WO2022268453A1 (de) * | 2021-06-22 | 2022-12-29 | Giesecke+Devrient Currency Technology Gmbh | Sicherheitselement mit einer markierungsschicht mit mehreren aussparungen und verfahren zum erzeugen eines sicherheitselements |
Also Published As
| Publication number | Publication date |
|---|---|
| PL2578414T3 (pl) | 2014-05-30 |
| KR20140085481A (ko) | 2014-07-07 |
| CA2847297A1 (en) | 2013-04-11 |
| ES2441352T3 (es) | 2014-02-04 |
| EP2578414B1 (de) | 2013-12-11 |
| RU2014117705A (ru) | 2015-11-10 |
| EP2578414A1 (de) | 2013-04-10 |
| RU2600088C2 (ru) | 2016-10-20 |
| KR102014562B1 (ko) | 2019-08-26 |
| SI2578414T1 (sl) | 2014-08-29 |
| US20140342105A1 (en) | 2014-11-20 |
| US9387718B2 (en) | 2016-07-12 |
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