EP1727684B2 - Security and/or valuable document - Google Patents
Security and/or valuable document Download PDFInfo
- Publication number
- EP1727684B2 EP1727684B2 EP05740715.7A EP05740715A EP1727684B2 EP 1727684 B2 EP1727684 B2 EP 1727684B2 EP 05740715 A EP05740715 A EP 05740715A EP 1727684 B2 EP1727684 B2 EP 1727684B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- film element
- sealing layer
- layer
- document
- security
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000004922 lacquer Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 11
- 238000007639 printing Methods 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000007650 screen-printing Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 238000003892 spreading Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 127
- 239000010408 film Substances 0.000 description 95
- 239000012790 adhesive layer Substances 0.000 description 14
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000003973 paint Substances 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000010409 thin film Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 4
- 238000004049 embossing Methods 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 239000002966 varnish Substances 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000002318 adhesion promoter Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 2
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 2
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 229920001220 nitrocellulos Polymers 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- -1 Aromatic isocyanate Chemical class 0.000 description 1
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229920000106 Liquid crystal polymer Polymers 0.000 description 1
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
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- 239000012948 isocyanate Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Images
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
- B42D25/20—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
-
- 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
- B42D15/00—Printed matter of special format or style not otherwise provided for
-
- 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
- D21H21/42—Ribbons or strips
-
- B42D2035/36—
Definitions
- the invention relates to security and / or value documents, such as banknotes, checks, stocks, credit cards, software certificates or ID cards, which have a carrier made of a paper material with one or more window-shaped openings and a preferably strip or thread-shaped film element.
- the WO 95/104 19 A discloses a paper or paper sheet formed with at least one window.
- the window is covered with transparent foils on both sides of the paper.
- the DE 102 26 114 A1 describes a security element for security papers and value documents, where the security element consists of several layers. It is shown a banknote having an opening, wherein both sides of the opening are closed with a security element.
- the EP 1 398 174 A describes a banknote or similar with a substrate having a zone of reduced thickness which forms a transparent window in the substrate.
- foil elements are arranged on both sides.
- a film element is arranged on one side and a line pressure on the other side.
- the invention is based on the object to propose a security and / or value document that is suitable for the use of verifiable by transmitted light security elements and is easy to further process.
- the invention is directed in particular to film elements and sealing layers which do not completely cover the two sides of the paper carrier, so that the paper carrier is thus exposed to temperature influences as well as other environmental influences such as moisture.
- the film element preferably covers one side of the paper carrier up to a maximum of 50% of its surface, in particular up to a maximum of 20% of its surface.
- the film element is designed in its surface extent so that the distance between the edge of the on Paper carrier attached to the film element and an edge located at the shortest distance of the aperture corresponds to a maximum of the length, width or diameter of the respective aperture, but preferably corresponds to a maximum of 50% of the length, width or diameter of the respective aperture.
- the invention is based on the finding that in the closure of the window-shaped openings of the paper carrier by means of the film element, the specific material properties of the paper material from which the carrier is made, can lead to problems in the further processing of the security and / or value document.
- the elongation behavior of the paper material is dependent both on the moisture, the fiber direction of the paper material and the temperature. Since the openings of the carrier are closed from a paper material by means of a film element whose expansion behavior differs greatly from that of the paper carrier, influences in further processing, such as moisture or temperature changes, severely worsen the result of further processing.
- the subsequent use of the completed security and / or value document may also be impaired.
- the invention provides a remedy here: the openings are stabilized on the back by the sealing layer so that further processing of the security and / or value document can be carried out with the available technologies. Further advantages also result in later use of the security and / or value document, since even there temperature and humidity influences have little influence on the appearance of the security and / or value document.
- the invention makes it possible to further increase the width of security elements suitable for transmitted light in conjunction with the advantages of paper as carrier material and thus to further increase the security against forgery of security and / or value documents.
- the sealing layer covers the surface of the film element at least 80%.
- sealing layer transparent, so that it does not affect the graphic design of the security and / or value document.
- the security against forgery of the security and / or value document can be further improved by overprinting the sealing layer and / or the film element at least in regions with a print.
- changes to the film element or to the sealing layer, for example, a removal of the film element immediately visible.
- Such over-printing for example by means of steel gravure, leads to a strong influence on the temperature and humidity conditions to which the security and / or value document is exposed, so that the result greatly improved by the use of the invention.
- the sealing layer consists of a lacquer layer which is printed in a thickness of about 2 to 10 microns on the paper support.
- a printing method here is particularly suitable a screen printing process, preferably an imprint by means of a flat screen. Particularly good results can be achieved in the printing of a relatively thick lacquer layer in the range of 2 to 10 microns.
- Such a lacquer layer reliably prevents the penetration of moisture and has the necessary thickness to act as a "counterweight" for the expansion behavior of the film element.
- the thickness of the lacquer layer and its composition is chosen so that the lacquer layer has approximately an expansion coefficient which corresponds to the expansion coefficient of the film element. As a result, bulges can be almost completely prevented.
- expansion coefficient the thermal expansion coefficient ⁇ (linear thermal expansion coefficient) understood.
- the term “expansion coefficient” furthermore refers to the extensibility of the film element and of the sealing layer, which is predetermined by the material-dependent modulus of elasticity E or its reciprocal value, the strain size 1 / E.
- the materials are deformed depending on their modulus of elasticity, wherein exceeding the elastic limit of a material leads to a permanent deformation.
- the film element If, for example, the elasticity limit of the film element is exceeded earlier than the elastic limit of the sealing layer with essentially the same force input into the film element and the sealing layer, then the film element is plastically deformed, while the merely elastically deformed sealing layer tries to return to its original state. This leads to undesirable, permanent warping, which can be avoided by adapting the modulus of elasticity of the film element to the modulus of elasticity of the sealing layer.
- the expansion coefficient is understood on the one hand to be the coefficient of linear expansion and, on the other hand, the modulus of elasticity.
- the sealing layer has a coefficient of expansion which corresponds approximately to the expansion coefficient of the film element, in particular wherein the expansion coefficient corresponds to a coefficient of linear expansion or a modulus of elasticity.
- the sealing layer has a coefficient of linear expansion, which deviates by not more than 10%, preferably not more than 5%, from a coefficient of linear expansion of the film element.
- the sealing layer thus undergoes approximately the same change in length as the film element, so that no or essentially no warping occurs in the region of the window-shaped opening of the carrier.
- This proves to be particularly advantageous when stacking, for example, banknotes or further processing of the carrier in an automated process, in which a flat surface is required, for example, in printing, embossing or the like.
- the sealing layer has a modulus of elasticity which deviates by not more than 10%, preferably not more than 5%, from the modulus of elasticity of the film element.
- a modulus of elasticity which deviates by not more than 10%, preferably not more than 5%, from the modulus of elasticity of the film element.
- this document of value represents a check, a traveler's check, a stock or software certificate, a security document, for example a passport or the like.
- the value document after Fig. 1 has a carrier 1 made of a paper material.
- the paper material is preferably a paper grade used for banknotes, which may be provided in a known manner with watermarks, special imprints and other security elements.
- Such further security elements consist for example of a steel gravure printing, of a micro-pressure or a reflective security feature, for example a hologram or a color-change element.
- the carrier 1 made of a paper material preferably has a thickness of about 100 microns.
- the carrier 1 is normally part of a paper web or a sheet of paper, upon completion of the document of value, from which documents of value are made upon completion Fig. 1 get cut.
- the carrier 1 has a plurality of window-like openings 31 to 36. These window-like openings can be arranged in any arrangement and shape in the region of a film element 2.
- the apertures 31 to 36 are in this case produced prior to application of the film element 2 in the paper sheet by means of a punching or cutting process, preferably by means of conventional punching, by laser or water jet cutting.
- a punching or cutting process preferably by means of conventional punching, by laser or water jet cutting.
- the film element 2 preferably has a strip or thread-like shape, preferably with a strip width in the range of 4 to 30 mm.
- the film element 2 preferably extends across the entire width or length of the carrier 1, whereby the application of the film element 2 from a production point of view is simplified.
- Fig. 2 shows a section through a portion of the in Fig. 1 shown value document in the area of the openings 35.
- Fig. 2 shows the carrier 1, the film element 2 with a decorative layer 22 and a carrier film 21 and a sealing layer 4, which extends over the region of the recess 35.
- the window-like aperture 35 is closed by means of the film element 2, wherein the film element 2 is fixed on the surface of the carrier 1 over the entire surface by means of an adhesive layer so that the film element is firmly fixed on the surface of the carrier and the window-like openings 31 to 36 on all sides surmounted, so that around the openings 31 to 36, the film element 2 firmly adheres to the surface of the carrier 1.
- the film element 2 is preferably fixed under heat and pressure, for example by means of a special embossing roller, on the paper material of the carrier 1 by the adhesive layer being activated by the heat and the pressure.
- the film element 2 is applied to the paper material by means of a cold embossing process and the adhesive layer is, for example, a UV-curable adhesive or a cold-curing, pressure-sensitive adhesive.
- Fig. 3 shows the film element 2 with a transparent carrier film 21 and the decorative layer 22nd
- the carrier film 21 consists of a PET or BOPP film with a layer thickness of 10 to 50 ⁇ m.
- the function of the carrier film 21 in this case is to provide the necessary stability for the bridging of the apertures 31 to 36, so that the thickness of the carrier film 21 preferably to be selected is determined essentially by the width of the apertures 31 to 36.
- the composite of these layers already has the necessary mechanical stability, so that the carrier film 21 can be dispensed with.
- the decorative layer 22 has in the in Fig. 3 an adhesion promoter layer 23, a first lacquer layer 24, an optical separation layer 25 and an adhesive layer 26 shown.
- the primer layer 23 has a thickness in the range of 0.2 to 2 microns and is applied to the carrier film 21 by means of a printing process. Under certain circumstances, the adhesion promoter layer 23 can also be dispensed with if sufficient adhesion between the carrier film 21 and the first lacquer layer 24 has already been achieved or if the carrier film 21 is dispensed with.
- the first lacquer layer 24 is a replicate lacquer layer consisting of a thermoplastic or crosslinked polymer into which a diffractive structure 27 is replicated by means of a replication tool under the action of heat and pressure.
- a lacquer of the following composition can be used as the lacquer for the first lacquer layer 24, which lacquer is applied over the entire surface with a basis weight of about 2.2 g / m 2 after drying:
- the diffractive structure 27 is embossed by means of an embossing die.
- the optical separating layer 25 is applied to the first lacquer layer 24.
- the optical separation layer 24 may be a transparent material that differs significantly in its refractive index from the refractive index of the resist layer 24, so that the diffractive structure 27 provides a transparent security feature.
- a material for such a metal layer for example, aluminum, chromium, gold or silver, or an alloy of these materials can be used.
- the HRI or LRI layer preferably consists of a suitable dielectric, eg TiO 2 or ZnS (for HRI) or MgF 2 (for LRI).
- the diffractive structure 27 In the region of the aperture 35, the diffractive structure 27 generates a transmissive, diffraction-optically acting security element, for example a hologram or kinegram. It is also possible to implement one or more of the following security features in the decor layer 22 instead of the security feature described above or in addition to this security feature in the region of the opening 35:
- a thin film layer system or a color layer with thin film layer pigments or a cholesteric liquid crystal material can be provided, which generate a viewing angle-dependent color shift effect and thus provide the viewer with a color change element as a security feature.
- a thin film layer system consists for example of a layer composite with an absorption layer, a ⁇ / 2 layer as a spacer layer and a layer whose refractive index differs from the refractive index of the spacer layer.
- the decorative layer 22 may further comprise a polarization layer in the region of the opening 35, which consists for example of a layer of oriented and crosslinked liquid crystal polymers. As a result, a further security feature in the region of the opening 35 is provided.
- the decorative layer 22 may further include one or more color layers having luminescent, especially UV or IR fluorescent pigments, which are arranged, for example, in a pattern shape and can serve as a further security feature.
- the decorative layer 22 may further comprise one or more color layers with a security imprint, for example a microfilm, or have one or more pattern-demetallized layers, which form a further security feature in the region of the opening 35.
- the adhesive layer 26 has a thickness in the range of 5 to 6 microns and consists of a thermally activated adhesive.
- an adhesive with the following composition can be used for the adhesive layer 26: Composition: Weight: toluene 2000 g acetone 2100 g High molecular weight ethyl methacrylate TG 60 ° C 300 g methacrylate copolymer TG 40-80 ° C 700 g Thermoplastic polyvinyl acetate TG 80 - 83 ° C 200 g ethanol 2100 g Highly dispersed silicic acid 100 g
- This adhesive is applied, for example with a line grid with 60 L / cm and an application weight of 5-6 g / m 2 on the underlying layer of the decorative layer 22.
- a sealing layer 4 is applied in the area of the film element 2 after the fixing of the film element 2 by means of a printing process.
- the sealing layer 4 at least in the region of the perforations 31 to 36 of the carrier 1, is applied to the side of the carrier 1 opposite the film element 2 after the closing of these openings by means of the film element 2.
- sealing layer 4 in an area slightly overlapping the region of the film element 2 on the side of the carrier 1 opposite the film element 2 and thus over the entire region of the film element 2 for mechanical stabilization and sealing of the paper material penetrating moisture.
- the sealing layer 4 may be applied to the substrate 1 by printing, casting, spraying or spraying be applied.
- the application of the sealing layer 4 by means of a screen printing method as can be applied with sufficient accuracy on the support 1 by means of such a method relatively thick paint layers. So that the sealing layer 4 can form a mechanical counterpart to the film element 2, a certain layer thickness of the paint layer is required.
- the sealing layer 4 therefore consists of a lacquer layer of a thickness of 2 to 10 .mu.m, whose expansion coefficient corresponds approximately to the expansion coefficient of the film element 2. In this way, bulges in the region of the film element 2 can be largely avoided by changing the environmental conditions such as humidity and temperature or mechanical stress.
- a lacquer for the sealing layer 4 in this case a transparent lacquer or a colored lacquer can be used. It is also possible to put together the sealing layer 4 of different-colored imprints, which expire, for example, each in semitone. Further, the varnish used for the sealing layer 4 should be an overprintable varnish, i. a paint that is not too strongly cross-linked, so that ink can adhere to it.
- a varnish of the following composition is used: Composition: Weight: cyclohexanone 2800 g xylene 1400 g Ethylene-vinyl acetate copolymer TG 65 - 70 ° C 100 g PVC copolymer TG 75-80 ° C 500 g PMMA TG 115 ° C 500 g Highly dispersed silicic acid 50 g Silicone-based defoamer 15g
- This paint is printed by means of a flat screen 77 T coated with direct emulsion on the carrier layer 1 in the above-indicated thickness range of 2 to 10 microns and an application weight, by means of which a layer thickness in the above-specified layer thickness range can be achieved.
- the sealing layer 4 and / or the film element 2 is at least partially overprinted, whereby a further increase in security is achieved.
- the overprinting takes place here preferably by means of steel engraving.
- Fig. 4 shows for comparison a non-inventive document of value and shows the carrier 1, the film element 2 with the carrier film 21 and the decorative layer 22, the opening 35 and a sealing layer 5, which consists of a gegenlamamin seeking film consisting of a carrier film 52 and an adhesive layer 51.
- the carrier 1 and the film element 2 are as in the FIGS. 1 to 3 described formed.
- the adhesive layer 51 consists of an adhesive that can be activated by pressure or heat or else a UV-curable adhesive.
- the adhesive layer 51 of your for the adhesive layer 26 of the film element 2 after Fig. 3 used glue formed.
- the film 5 is preferably prefabricated in the manner of a hot or cold stamping film and then using pressure and heat or using
- Pressure and UV radiation is laminated to the film element 2 opposite side.
- the carrier film 5 is a transparent PET or BOPP film having a layer thickness in the range from 12 to 16 ⁇ m.
- a film 6 is applied to the side of the carrier 1 opposite the film element.
- the film 6 consists of an adhesive layer 61 and a protective lacquer layer 62, which preferably has a thickness in the range of 2 to 12 microns.
- the film 6 is preferably applied to the carrier 1 as part of a transfer layer of a cold or hot stamping foil.
- adhesives for the adhesive layer 61 the adhesives used for the adhesive layer 26 of the film element 2 can be used.
- the protective lacquer layer 62 is transparent and may be composed approximately as follows: Composition: Weight: methyl ethyl ketone 300 ethyl acetate 170 cyclohexanone 100 Hydroxyfunctional acrylate (60% in xylene / EPA, OH number 140) 200 Cellulose nitrate (low viscosity, 65% in alcohol) 80 Aromatic isocyanate (50% in ethyl acetate, NCO content 8%) 150
- an adhesion promoter layer to be applied further on the carrier film 62 of the film 5 or on the protective lacquer layer 62 of the film 6, which facilitates subsequent overprinting of the sealing layer.
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- Finance (AREA)
- Credit Cards Or The Like (AREA)
- Laminated Bodies (AREA)
- Confectionery (AREA)
- Paper (AREA)
- Burglar Alarm Systems (AREA)
- Prostheses (AREA)
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Abstract
Description
Die Erfindung betrifft Sicherheits- und/oder Wertdokumente, beispielsweise Banknoten, Schecks, Aktien, Kreditkarten, Software-Zertifikate oder Ausweise, die einen Träger aus einem Papiermaterial mit einer oder mehreren fensterförmigen Durchbrechungen und einem vorzugsweise streifen- oder fadenförmigen Folienelement aufweisen.The invention relates to security and / or value documents, such as banknotes, checks, stocks, credit cards, software certificates or ID cards, which have a carrier made of a paper material with one or more window-shaped openings and a preferably strip or thread-shaped film element.
Es besteht die Notwendigkeit, Sicherheits- und/oder Wertdokumente mit Sicherheitsmerkmalen auszustatten, die eine Fälschung dieser Dokumente erschweren und möglichst verhindern. Hierbei ist es bereits bekannt, Sicherheits-und/oder Wertdokumente mit transmissiven Sicherheitsmerkmalen auszustatten, die bei Durchlichtbetrachtung überprüfbar sind und eine besonders hohe Sicherheit gegen Nachahmung mittels eines Farbkopierers bieten.There is a need to provide security and / or value documents with security features that make it difficult and possibly prevent counterfeiting of these documents. Here, it is already known to equip security and / or value documents with transmissive security features that can be checked by transmitted light inspection and offer a particularly high security against imitation by means of a color copier.
Es wurde hierzu bereits vorgeschlagen, in Wertdokumente Sicherheitsfäden einzubringen, die bereichsweise oberflächlich freiliegend sind, um zusätzliche Sicherheitselemente auf dem Faden, z.B. Druckmuster, Beugungsstrukturen, etc., prüfen zu können. So beschreibt beispielsweise
Dieser Ansatz hat jedoch den Nachteil, dass Sicherheitsfäden, nachdem sie in die Papierbahn eingearbeitet werden müssen, nur verhältnismässig geringe Breite aufweisen dürfen, um den Zusammenhalt des Papiers an sich nicht zu stören. Dies ist insbesondere dann der Fall, wenn die Papierbahn auf beiden Seiten deckungsgleich freigelegt wird, um die Betrachtung eines Sicherheitselements im Durchlicht zu ermöglichen. Weiter ist es hier erforderlich, Sicherheitsfäden mit grösserer Dicke einzusetzen, damit die Sicherheitsfäden trotz ihrer geringen Breite hinreichende Zugfestigkeit besitzen. Diese in einem relativ schmalen Bereich befindliche Verdickung führt zu einer schlechten Planlage der Bögen und damit zu Problemen bei der Weiterverarbeitung des Wertdokuments.However, this approach has the disadvantage that security threads, after they must be incorporated into the paper web, may only have relatively small width in order not to disturb the cohesion of the paper itself. This is particularly the case when the paper web is exposed congruently on both sides to allow the viewing of a security element in the transmitted light. Further, it is necessary here to use security threads with greater thickness, so that the security threads despite their small width have sufficient tensile strength. This thickening located in a relatively narrow area leads to a poor flatness of the sheets and thus to problems in the further processing of the value document.
Weiter beschreibt
Die
Die
Die
Der Erfindung liegt nun die Aufgabe zugrunde, ein Sicherheits- und/oder Wertdokument vorzuschlagen, das für den Einsatz von im Durchlicht überprüfbaren Sicherheitselementen geeignet ist und problemlos weiterzuverarbeiten ist.The invention is based on the object to propose a security and / or value document that is suitable for the use of verifiable by transmitted light security elements and is easy to further process.
Diese Aufgabe wird durch ein Sicherheits- und/oder Wertdokument nach Anspruch 1 gelöst.This object is achieved by a security and / or value document according to
Die Erfindung richtet sich dabei insbesondere auf Folienelemente und Versiegelungsschichten, die die beiden Seiten des Papierträgers nicht vollständig bedecken, so dass der Papierträger somit neben Temperatureinflüssen auch weiteren Umwelteinflüssen wie Feuchtigkeit ausgesetzt ist. Dabei bedeckt das Folienelement eine Seite des Papierträgers bevorzugt bis zu maximal 50% seiner Fläche, insbesondere bis zu maximal 20% seiner Fläche. Vorzugsweise wird das Folienelement in seiner Flächenausdehnung so ausgelegt, dass der Abstand zwischen dem Rand des auf dem Papierträger befestigten Folienelements und einem sich dazu in kürzestem Abstand befindlichen Rand der Durchbrechung maximal der Länge, Breite oder dem Durchmesser der jeweiligen Durchbrechung entspricht, vorzugsweise jedoch maximal 50 % der Länge, Breite oder des Durchmessers der jeweiligen Durchbrechung entspricht.The invention is directed in particular to film elements and sealing layers which do not completely cover the two sides of the paper carrier, so that the paper carrier is thus exposed to temperature influences as well as other environmental influences such as moisture. In this case, the film element preferably covers one side of the paper carrier up to a maximum of 50% of its surface, in particular up to a maximum of 20% of its surface. Preferably, the film element is designed in its surface extent so that the distance between the edge of the on Paper carrier attached to the film element and an edge located at the shortest distance of the aperture corresponds to a maximum of the length, width or diameter of the respective aperture, but preferably corresponds to a maximum of 50% of the length, width or diameter of the respective aperture.
Der Erfindung liegt die Erkenntnis zugrunde, dass bei der Verschliessung der fensterförmigen Durchbrechungen des Papierträgers mittels des Folienelements, die spezifischen Materialeigenschaften des Papiermaterials, aus dem der Träger gefertigt ist, zu Problemen bei der Weiterbearbeitung des Sicherheits- und/oder Wertdokuments führen können. So ist das Dehnungsverhalten des Papiermaterials sowohl abhängig von der Feuchtigkeit, der Faserrichtung des Papiermaterials und der Temperatur. Da die Durchbrechungen des Trägers aus einem Papiermaterial mittels eines Folienelements verschlossen sind, dessen Ausdehnungsverhalten sich stark von dem des Papierträgers unterscheidet, können Einflüsse bei der Weiterverarbeitung, beispielsweise Feuchtigkeit oder Temperaturänderungen, das Ergebnis der Weiterverarbeitung stark verschlechtern. Auch der spätere Einsatz des fertiggestellten Sicherheits-und/oder Wertdokuments kann beeinträchtigt sein. Hier schafft die Erfindung Abhilfe: Durch die Versiegelungsschicht werden die Durchbrechungen rückseitig stabilisiert, so dass eine Weiterverarbeitung des Sicherheits- und/oder Wertdokuments mit den verfügbaren Technologien durchgeführt werden kann. Weitere Vorteile ergeben sich auch im späteren Gebrauch des Sicherheits-und/oder Wertdokuments, da auch dort Temperatur- und Feuchtigkeitseinflüsse geringe Einflüsse auf das Erscheinungsbild des Sicherheits- und/oder Wertdokument besitzen. Durch die Erfindung wird es ermöglicht, die Breite von für Durchlicht geeignete Sicherheitselemente in Verbindung mit den Vorzügen von Papier als Trägermaterial weiter zu erhöhen und so die Fälschungssicherheit von Sicherheits- und/oder Wertdokumenten weiter zu erhöhen.The invention is based on the finding that in the closure of the window-shaped openings of the paper carrier by means of the film element, the specific material properties of the paper material from which the carrier is made, can lead to problems in the further processing of the security and / or value document. Thus, the elongation behavior of the paper material is dependent both on the moisture, the fiber direction of the paper material and the temperature. Since the openings of the carrier are closed from a paper material by means of a film element whose expansion behavior differs greatly from that of the paper carrier, influences in further processing, such as moisture or temperature changes, severely worsen the result of further processing. The subsequent use of the completed security and / or value document may also be impaired. The invention provides a remedy here: the openings are stabilized on the back by the sealing layer so that further processing of the security and / or value document can be carried out with the available technologies. Further advantages also result in later use of the security and / or value document, since even there temperature and humidity influences have little influence on the appearance of the security and / or value document. The invention makes it possible to further increase the width of security elements suitable for transmitted light in conjunction with the advantages of paper as carrier material and thus to further increase the security against forgery of security and / or value documents.
Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen bezeichnet.Advantageous embodiments of the invention are designated in the subclaims.
Gemäss eines bevorzugten Ausführungsbeispiels der Erfindung bedeckt die Versiegelungsschicht die Fläche des Folienelements zumindest zu 80 %. Durch eine derart vollflächige rückseitige Stabilisierung des Folienelements wird das Eindringen von Feuchtigkeit in den Papierträger weitgehend unterbunden, wodurch das Ausdehnungsverhalten des Papierträgers wesentlich beeinflusst wird. Weiter wird hierdurch ein mechanischer Ausgleich zu dem Folienelement geschaffen, wodurch das Entstehen von Aufwölbungen weiter erschwert wird.According to a preferred embodiment of the invention, the sealing layer covers the surface of the film element at least 80%. By such a full-surface back stabilization of the film element, the penetration of moisture into the paper support is largely prevented, whereby the expansion behavior of the paper support is significantly affected. Further, this provides a mechanical compensation to the film element, whereby the emergence of bulges is further complicated.
Weitere Vorteile ergeben sich dann, wenn die Fläche der Versiegelungsschicht 100 bis 120 % der Fläche des Folienelements besitzt. Hierdurch ergeben sich zum einen Toleranzen für das passergenaue Aufbringen der Versiegelungsschicht und zum anderen wird eine ungünstige Beeinflussung des Verarbeitungs-Verhaltens durch eine zu grosse Versiegelungsschicht vermieden.Further advantages arise when the surface of the sealing layer has 100 to 120% of the area of the film element. On the one hand, this results in tolerances for the register-accurate application of the sealing layer and, on the other hand, an unfavorable influence on the processing behavior due to an excessively large sealing layer is avoided.
Es ist zweckmässig, die Versiegelungsschicht transparent auszugestalten, so dass sie die graphische Ausgestaltung des Sicherheits- und/oder Wertdokuments nicht beeinflusst.It is expedient to make the sealing layer transparent, so that it does not affect the graphic design of the security and / or value document.
Die Fälschungssicherheit des Sicherheits- und/oder Wertdokuments kann weiter dadurch verbessert werden, dass die Versiegelungsschicht und/oder das Folienelement zumindest bereichsweise mit einem Aufdruck überdruckt wird. Dadurch werden Veränderungen an dem Folienelement oder an der Versiegelungsschicht, beispielsweise ein Entfernen des Folienelements, sofort sichtbar. Eine derartige Überdruckung, beispielsweise mittels Stahltiefdruck, führt zu einer starken Beeinflussung der Temperatur- und Feuchtigkeits-Bedingungen, denen das Sicherheits- und/oder Wertdokument ausgesetzt ist, so dass sich hier das Ergebnis durch den Einsatz der Erfindung stark verbessert.The security against forgery of the security and / or value document can be further improved by overprinting the sealing layer and / or the film element at least in regions with a print. As a result, changes to the film element or to the sealing layer, for example, a removal of the film element, immediately visible. Such over-printing, for example by means of steel gravure, leads to a strong influence on the temperature and humidity conditions to which the security and / or value document is exposed, so that the result greatly improved by the use of the invention.
Gemäss eines bevorzugten Ausführungsbeispiels der Erfindung besteht die Versiegelungsschicht aus einer Lackschicht, die in einer Dicke von etwa 2 bis 10 µm auf den Papierträger aufgedruckt wird. Als Druckverfahren eignet sich hier besonders ein Siebdruckverfahren, vorzugsweise ein Aufdruck mittels eines Flachsiebs. Besonders gute Ergebnisse lassen sich hierbei bei dem Aufdruck einer relativ dicken Lackschicht im Bereich von 2 bis 10 µm erzielen. Eine derartige Lackschicht verhindert sicher das Eindringen von Feuchtigkeit und hat die nötige Dicke, um als "Gegengewicht" für das Ausdehnungsverhalten des Folienelements zu wirken. Bevorzugt wird die Dicke der Lackschicht und deren Zusammensetzung so gewählt, dass die Lackschicht in etwa einen Dehnungskoeffzienten besitzt, der dem Dehnungskoeffizienten des Folienelements entspricht. Hierdurch können Aufwölbungen fast vollständig verhindert werden.According to a preferred embodiment of the invention, the sealing layer consists of a lacquer layer which is printed in a thickness of about 2 to 10 microns on the paper support. As a printing method here is particularly suitable a screen printing process, preferably an imprint by means of a flat screen. Particularly good results can be achieved in the printing of a relatively thick lacquer layer in the range of 2 to 10 microns. Such a lacquer layer reliably prevents the penetration of moisture and has the necessary thickness to act as a "counterweight" for the expansion behavior of the film element. Preferably, the thickness of the lacquer layer and its composition is chosen so that the lacquer layer has approximately an expansion coefficient which corresponds to the expansion coefficient of the film element. As a result, bulges can be almost completely prevented.
Dabei wird unter dem Begriff "Dehnungskoeffizient" einerseits der thermische Längenausdehnungskoeffizient α (linearer Wärmeausdehnungskoeffizient) verstanden. Bei einer Temperaturänderung im Bereich der fensterförmigen Durchbrechung im Träger ändern sich die Längen des Folienelements und der Versiegelungsschicht abhängig vom jeweils zu deren Bildung verwendeten Material. Dehnt sich oder schrumpft somit bei einer Temperaturänderung das Folienelement stärker als die Versiegelungsschicht, führt dies zu einer unerwünschten Verwölbung im Bereich der fensterförmigen Durchbrechung.The term "expansion coefficient" on the one hand, the thermal expansion coefficient α (linear thermal expansion coefficient) understood. With a temperature change in the region of the window-shaped opening in the carrier, the lengths of the film element and the sealing layer change depending on the material used for their formation. If the film element expands or shrinks more than the sealing layer when the temperature changes, this leads to undesirable warping in the region of the window-shaped opening.
Andererseits wird unter dem Begriff "Dehnungskoeffizient" weiterhin die Dehnbarkeit des Folienelements und der Versiegelungsschicht verstanden, die über den materialabhängigen Elastizitätsmodul E beziehungsweise dessen Kehrwert, der Dehnungsgröße 1/E, vorgegeben ist. Bei einer mechanischen Beanspruchung von Folienelement und Versiegelungsschicht im Bereich der fensterförmigen Durchbrechung, beispielsweise durch ein Falten, Knicken, Zerknüllen oder ähnlichem, werden die Materialien abhängig von ihrem Elastizitätsmodul verformt, wobei ein Überschreiten der Elastizitätsgrenze eines Materials zu einer bleibenden Verformung führt. Wird nun bei im wesentlichen gleichem Krafteintrag in das Folienelement und die Versiegelungsschicht beispielsweise die Elastizitätsgrenze des Folienelements früher überschritten als die Elastizitätsgrenze der Versiegelungsschicht, so wird das Folienelement plastisch verformt, während die lediglich elastisch verformte Versiegelungsschicht versucht, in ihren Ausgangszustand zurückzukehren. Dies führt zu unerwünschten, bleibenden Verwölbungen, die bei einer Anpassung des Elastizitätsmoduls des Folienelements an den Elastizitätsmodul der Versiegelungsschicht vermieden werden können.On the other hand, the term "expansion coefficient" furthermore refers to the extensibility of the film element and of the sealing layer, which is predetermined by the material-dependent modulus of elasticity E or its reciprocal value, the
Wie bereits oben zur Verwendung einer Lackschicht als Versiegelungsschicht beschrieben, wird unter dem Dehnungskoeffizienten einerseits der Längenausdehnungskoeffizient und andererseits der Elastizitätsmodul verstanden.As already described above for the use of a lacquer layer as a sealing layer, the expansion coefficient is understood on the one hand to be the coefficient of linear expansion and, on the other hand, the modulus of elasticity.
Generell hat sich für die Erfindung als vorteilhaft erwiesen, wenn die Versiegelungsschicht einen Dehnungskoeffizienten besitzt, der in etwa dem Dehnungskoeffizienten des Folienelements entspricht, insbesondere wobei der Dehnungskoeffizient einem Längenausdehnungskoeffizienten oder einem Elastizitätsmodul entspricht.In general, it has proven to be advantageous for the invention if the sealing layer has a coefficient of expansion which corresponds approximately to the expansion coefficient of the film element, in particular wherein the expansion coefficient corresponds to a coefficient of linear expansion or a modulus of elasticity.
Dabei hat sich als vorteilhaft erwiesen, wenn die Versiegelungsschicht einen Längenausdehnungskoeffizienten besitzt, der um nicht mehr als 10%, vorzugsweise nicht mehr als 5%, von einem Längenausdehnungskoeffizienten des Folienelements abweicht. Bei einer Temperaturänderung erfährt somit die Versiegelungsschicht in etwa die gleiche Längenänderung wie das Folienelement, so dass keine oder im wesentlichen keine Verwölbung im Bereich der fensterförmigen Durchbrechung des Trägers auftritt. Dies erweist sich insbesondere beim Stapeln von beispielsweise Banknoten oder einer Weiterverarbeitung des Trägers in einem automatisierten Verfahren als besonders vorteilhaft, bei dem eine plane Oberfläche erforderlich ist, beispielsweise beim Bedrucken, Prägen oder ähnlichem.It has proved to be advantageous if the sealing layer has a coefficient of linear expansion, which deviates by not more than 10%, preferably not more than 5%, from a coefficient of linear expansion of the film element. When the temperature changes, the sealing layer thus undergoes approximately the same change in length as the film element, so that no or essentially no warping occurs in the region of the window-shaped opening of the carrier. This proves to be particularly advantageous when stacking, for example, banknotes or further processing of the carrier in an automated process, in which a flat surface is required, for example, in printing, embossing or the like.
Bevorzugt ist es weiterhin, wenn die Versiegelungsschicht einen Elastizitätsmodul aufweist, der um nicht mehr als 10%, vorzugsweise nicht mehr als 5%, von dem Elastizitätsmodul des Folienelements abweicht. Eine derartige Ausbildung von Folienelement und Versiegelungsschicht ermöglicht eine optimale Handhabung des fertiggestellten Sicherheits- oder Wertdokuments. Banknoten werden üblicherweise auch im Bereich der fensterförmigen Durchbrechungen mechanisch beansprucht, beispielsweise durch Falten. Dies kann bei einer mangelhaften Anpassung des Elastizitätsmoduls der Versiegelungsschicht an den Elastizitätsmodul des Folienelements zu bleibenden Verwölbungen führen, die einerseits eine optische Beeinträchtigung der Banknote zur Folge haben und andererseits in Geldautomaten zu technischen Störungen führen können.It is furthermore preferred if the sealing layer has a modulus of elasticity which deviates by not more than 10%, preferably not more than 5%, from the modulus of elasticity of the film element. Such a construction of film element and sealing layer allows optimal handling of the finished security or value document. Banknotes are usually mechanically stressed in the region of the window-shaped openings, for example by folding. In the case of a poor adaptation of the modulus of elasticity of the sealing layer to the modulus of elasticity of the film element, this can lead to permanent warping which, on the one hand, results in optical impairment of the banknote and, on the other hand, can lead to technical faults in ATMs.
Im Folgenden wird die Erfindung anhand von mehreren Ausführungsbeispielen unter Zuhilfenahme der beiliegenden Zeichnungen beispielhaft erläutert:
- Fig. 1
- zeigt eine schematische Darstellung eines erfindungsgemässen Wertdokuments.
- Fig. 2
- zeigt eine schematische Darstellung eines Schnittes durch das Wertdokument nach
Fig. 1 . - Fig. 3
- zeigt eine Detailansicht eines Folienelements, das bei dem Wertdokument nach
Fig. 2 Verwendung findet. - Fig. 4
- zeigt eine schematische Darstellung eines Schnittes durch ein nicht erfindungsgemäßes Wertdokument.
- Fig. 5
- zeigt eine schematische Darstellung eines Schnittes durch ein nicht erfindungsgemäßes Wertdokument.
- Fig. 1
- shows a schematic representation of a novel value document.
- Fig. 2
- shows a schematic representation of a section through the document of value
Fig. 1 , - Fig. 3
- shows a detailed view of a film element that after the value document after
Fig. 2 Use finds. - Fig. 4
- shows a schematic representation of a section through a non-inventive value document.
- Fig. 5
- shows a schematic representation of a section through a non-inventive value document.
Das in
Das Wertdokument nach
Der Träger 1 aus einem Papiermaterial besitzt vorzugsweise eine Dicke von etwa 100 µm. Der Träger 1 ist normalerweise bei Herstellung des Wertdokuments Teil einer Papierbahn oder eines Papierbogens, aus dem nach Fertigstellung Wertdokumente gemäß
Wie in
Das Folienelement 2 hat vorzugsweise streifen- oder fadenförmige Form, vorzugsweise mit einer Streifenbreite im Bereich von 4 bis 30 mm. Vorzugsweise erstreckt sich das Folienelement 2 hierbei quer über die gesamte Breite oder Länge des Trägers 1, wodurch das Aufbringen des Folienelements 2 aus produktionstechnischer Sicht vereinfacht wird.The
Wie in den
Der Aufbau des Folienelements 2 wird nun beispielhaft anhand von
Der Trägerfilm 21 besteht aus einer PET- oder BOPP-Folie einer Schichtdicke von 10 bis 50 µm. Die Funktion des Trägerfilms 21 besteht hierbei darin, für die notwendige Stabilität für die Überbrückung der Durchbrechungen 31 bis 36 zu sorgen, so dass die vorzugsweise zu wählende Dicke der Trägerfolie 21 im wesentlichen von der Breite der Durchbrechungen 31 bis 36 bestimmt wird. Bei geeigneter Wahl der Schichten der Dekorlage 22 und der Versiegelungsschicht 4 ist es hierbei jedoch auch möglich, dass der Verbund dieser Schichten bereits über die notwendige mechanische Stabilität verfügt, so dass auf den Trägerfilm 21 verzichtet werden kann.The
Die Dekorlage 22 weist in dem in
Die Haftvermittlerschicht 23 hat eine Stärke im Bereich von 0,2 bis 2 µm und wird auf den Trägerfilm 21 mittels eines Druckverfahrens aufgebracht. Unter Umständen kann auf die Haftvermittlerschicht 23 auch verzichtet werden, falls bereits eine ausreichende Haftung zwischen dem Trägerfilm 21 und der ersten Lackschicht 24 erreicht wird oder falls auf den Trägerfilm 21 verzichtet wird.The
Bei der ersten Lackschicht 24 handelt es sich um eine Replizierlackschicht bestehend aus einem thermoplastischen oder vernetzten Polymer, in das mittels eines Replizierwerkzeuges unter Einwirkung von Hitze und Druck eine diffraktive Struktur 27 repliziert wird.The
Beispielsweise kann als Lack für die erste Lackschicht 24 ein Lack folgender Zusammensetzung verwendet werden, der ganzflächig mit einem Flächengewicht von etwa 2,2 g/m2 nach Trocknung aufgebracht wird:
Nach Trocknen des Lacks, beispielsweise in einem Trockenkanal bei einer Temperatur von 100 bis 120 °C, wird die diffraktive Struktur 27 mittels einer Prägematrize eingeprägt.After drying the paint, for example in a drying tunnel at a temperature of 100 to 120 ° C, the
Anschliessend wird die optische Trennschicht 25 auf die erste Lackschicht 24 aufgebracht. Bei der optischen Trennschicht 24 kann es sich hierbei um ein transparentes Material handeln, das sich in seinem Brechungsindex deutlich von dem Brechungsindex der Lackschicht 24 unterscheidet, so dass die diffraktive Struktur 27 ein transparentes Sicherheitsmerkmal bereitstellt. Weiter ist es möglich, als optische Trennschicht 25 eine Metallschicht vollflächig oder partiell auf die erste Lackschicht 24 aufzubringen.Subsequently, the optical separating layer 25 is applied to the
Als Material für eine derartige Metallschicht kann beispielsweise Aluminium, Chrom, Gold oder Silber oder eine Legierung dieser Materialien, verwendet werden. Die Metallisierung wird hierbei vorzugsweise mittels Bedampfen oder Sputtern auf die erste Lackschicht 24 aufgebracht. Anstelle einer Metallisierung ist es auch möglich, eine HRI- oder LRI-Schicht (HRI = High Refraction Index; LRI = Low Refraction Index) vollflächig oder partiell auf die erste Lackschicht 24 aufzubringen.As a material for such a metal layer, for example, aluminum, chromium, gold or silver, or an alloy of these materials can be used. The metallization is preferably applied to the
Die HRI- oder LRI-Schicht besteht vorzugsweise aus einem geeigneten Dielektrikum, z.B. TiO2 oder ZnS (für HRI) oder MgF2 (für LRI).The HRI or LRI layer preferably consists of a suitable dielectric, eg TiO 2 or ZnS (for HRI) or MgF 2 (for LRI).
Die diffraktive Struktur 27 generiert im Bereich der Durchbrechung 35 ein transmissives, beugungsoptisch wirkendes Sicherheitselement, beispielsweise ein Hologramm oder Kinegramm. Es ist hierbei auch möglich, anstelle des oben beschriebenen Sicherheitsmerkmals oder zusätzlich zu diesem Sicherheitsmerkmal in dem Bereich der Durchbrechung 35 ein oder mehrere der folgenden Sicherheitsmerkmale in der Dekorlage 22 zu implementieren:In the region of the
Im Bereich der Durchbrechung 35 kann ein Dünnfilmschicht-System oder eine Farbschicht mit Dünnfilmschicht-Pigmenten oder einem cholesterischen Flüssigkristall-Material vorgesehen sein, die einen blickwinkelabhängigen Farbverschiebungseffekt generieren und so dem Betrachter als Sicherheitsmerkmal ein Farbwechselelement zur Verfügung stellen. Ein derartiges Dünnfilmschicht-System besteht beispielsweise aus einem Schichtverbund mit einer Absorptionsschicht, einer λ/2-Schicht als Distanzschicht und einer Schicht, deren Brechungsindex sich von dem Brechungsindex der Distanzschicht unterscheidet. Es ist jedoch auch möglich, ein derartiges Dünnfilmschicht-System aus einer Abfolge von hoch- und niedrigbrechenden Schichten aufzubauen, beispielsweise aus drei bis neun oder zwei bis zehn solcher Schichten. Je höher die Anzahl der Schichten ist, um so schärfer lässt sich die Wellenlänge für den Farbwechseleffekt einstellen. Beispiele üblicher Schichtdicken der einzelnen Schichten derartiger Dünnfilmschicht-Systeme und Beispiele von Materialien, die für die Schichten eines derartigen Dünnfilmschicht-Systems prinzipiell verwendbar sind, werden beispielsweise in
Die Dekorlage 22 kann im Bereich der Durchbrechung 35 weiter eine Polarisationsschicht aufweisen, die beispielsweise aus einer Schicht von orientierten und vernetzten Flüssigkristall-Polymeren besteht. Hierdurch wird ein weiteres Sicherheitsmerkmal in dem Bereich der Durchbrechung 35 bereitgestellt. Die Dekorlage 22 kann weiter ein oder mehrere Farbschichten aufweisen, die lumineszierende, insbesondere UV- oder IR-fluoreszierende Pigmente aufweisen, die beispielsweise in musterförmiger Form angeordnet sind und als weiteres Sicherheitsmerkmal dienen können.The
Die Dekorlage 22 kann weiter ein oder mehrere Farbschichten mit einem Sicherheitsaufdruck, beispielsweise einer Mikroschrift, aufweisen oder ein oder mehrere musterförmig demetallisierte Schichten aufweisen, die ein weiteres Sicherheitsmerkmal in dem Bereich der Durchbrechung 35 bilden.The
Es ist hierbei möglich, beliebige Kombinationen der oben beschriebenen Sicherheitsmerkmale in dem Bereich der Durchbrechung 35 in der Dekorlage 22 zu implementieren.It is possible in this case to implement any desired combinations of the security features described above in the region of the
Die Kleberschicht 26 besitzt eine Dicke im Bereich von 5 bis 6 µm und besteht aus einem thermisch aktivierbaren Kleber. Beispielsweise ist für die Kleberschicht 26 ein Kleber mit folgender Zusammensetzung verwendbar:
Auf die dem Folienelement 2 gegenüberliegende Seite des Trägers 1 wird in dem Bereich des Folienelements 2 nach der Fixierung des Folienelements 2 eine Versiegelungsschicht 4 mittels eines Druckverfahrens aufgebracht.On the side of the
Hierbei ist es von besonderer Bedeutung, dass die Versiegelungsschicht 4 zumindest im Bereich der Durchbrechungen 31 bis 36 des Trägers 1 nach dem Verschliessen dieser Durchbrechungen mittels des Folienelements 2 auf die dem Folienelement 2 gegenüberliegende Seite des Trägers 1 aufgebracht wird. Durch das Aufbringen der Versiegelungsschicht 4 in diesem Bereich werden die Schnittkanten des Papierträgers 1 gegenüber dem Eindringen von Feuchtigkeit versiegelt, die noch offenliegende Kleberschicht des Folienelements 2 versiegelt sowie die fensterförmigen Durchbrechungen mechanisch stabilisiert.In this case, it is of particular importance that the
Wie in
Die Versiegelungsschicht 4 kann auf den Träger 1 durch Drucken, Giessen, Aufsprühen oder Aufspritzen aufgebracht werden. Bevorzugt erfolgt das Aufbringen der Versiegelungsschicht 4 mittels eines Siebdruckverfahrens, da sich mittels eines derartigen Verfahrens relativ dicke Lackschichten mit ausreichender Genauigkeit auf den Träger 1 aufbringen lassen. Damit die Versiegelungsschicht 4 ein mechanisches Gegenstück zu dem Folienelement 2 bilden kann, ist eine gewisse Schichtstärke der Lackschicht erforderlich. Die Versiegelungsschicht 4 besteht deshalb aus einer Lackschicht einer Dicke von 2 bis 10 µm, deren Dehnungskoeffizient in etwa dem Dehnungskoeffizient des Folienelements 2 entspricht. Auf diese Weise können Durchwölbungen im Bereich des Folienelements 2 bei Veränderung der Umgebungsbedingungen wie Feuchtigkeit und Temperatur oder mechanischer Belastung weitgehend vermieden werden.The
Als Lack zur Bildung der Versiegelungsschicht 4 können prinzipiell lösungsmittelhaltige 2K-Lacke (2K = Zweikomponenten), wässrige Dispersionen und UV-Lacke mit hohem Festkörperanteil verwendet werden. Als Lack für die Versiegelungsschicht 4 kann hierbei ein transparenter Lack oder auch ein farbiger Lack verwendet werden. Auch ist es möglich, die Versiegelungsschicht 4 aus verschiedenfarbigen Aufdrucken zusammen zu setzen, die beispielsweise jeweils im Halbton auslaufen. Weiter sollte es sich bei dem für die Versiegelungsschicht 4 verwendeten Lack um einen überdruckbaren Lack handeln, d.h. um einen Lack der nicht zu stark vernetzt ist, so dass Druckfarbe an ihm haften kann.In principle, solvent-containing 2K paints (2K = two-component), aqueous dispersions and UV coatings with a high solids content can be used as the paint for forming the
Als Lack für die Versiegelungsschicht 4 wird so beispielsweise ein Lack der folgenden Zusammensetzung verwendet:
Nach dem Aushärten bzw. Vernetzen des Lackes der Versiegelungsschicht 4 wird die Versiegelungsschicht 4 und/oder das Folienelement 2 zumindest bereichsweise überdruckt, wodurch ein weiterer Sicherheitszuwachs erzielt wird. Die Überdruckung erfolgt hierbei vorzugsweise mittels Stahlstich.After curing or crosslinking of the paint of the
Der Träger 1 und das Folienelement 2 sind wie nach den
Die Kleberschicht 51 besteht aus einem durch Druck oder Hitze aktivierbaren Kleber oder auch aus einem UV-härtbaren Kleber. Beispielsweise wird die Kleberschicht 51 von dein für die Kleberschicht 26 des Folienelements 2 nach
Die Folie 5 wird vorzugsweise nach Art einer Heiss- oder Kaltprägefolie vorgefertigt und sodann unter Einsatz von Druck und Hitze oder unter Einsatz vonThe film 5 is preferably prefabricated in the manner of a hot or cold stamping film and then using pressure and heat or using
Druck und UV-Bestrahlung auf die dem Folienelement 2 gegenüberliegende Seite auflaminiert.Pressure and UV radiation is laminated to the
Bei dem Trägerfilm 5 handelt es sich um eine transparente PET- oder BOPP-Folie einer Schichtdicke im Bereich von 12 bis 16 µm.The carrier film 5 is a transparent PET or BOPP film having a layer thickness in the range from 12 to 16 μm.
Bei einem nicht erfindungsgemäßen Wertdokument nach
Die Schutzlackschicht 62 ist transparent und kann etwa wie folgt zusammengesetzt sein:
Es ist hierbei auch möglich, dass auf dem Trägerfilm 62 der Folie 5 oder auf der Schutzlackschicht 62 der Folie 6 weiter eine Haftvermittlerschicht aufgebracht ist, die ein späteres Überdrucken der Versiegelungsschicht erleichtert.In this case, it is also possible for an adhesion promoter layer to be applied further on the
Claims (8)
- Security document and/or document of value, in particular a bank note, having a carrier (1) made from a paper material and an in particular strip-like or thread-like film element (2) which has one or more optical security features, wherein the carrier (1) has one or more window-like perforations (31, 32, 33, 34, 35, 36) which are closed by means of the film element (2) which stands above the perforations (31 to 36) on all sides,
characterised in that,
a sealing layer (4) covering the face of the film element at least in the region of the perforations (31 to 36) is applied to the side of the carrier (1) opposite the film element (2), said carrier consisting of a paper material, wherein the sealing layer does not completely cover the side of the paper carrier, the sealing layer (4) has a thickness ranging from 2 to 10µm and the sealing layer (4) is formed from a lacquer layer which is applied by printing, casting, spraying or spreading, wherein the sealing layer (4) covers at least 80% of the face of the film element (2) and/or the face of the sealing layer (4) has 100 to 120% of the face of the film element (2). - Security document and/or document of value according to one of the preceding claims,
characterised in that,
the sealing layer (4) is transparent. - Security document and/or document of value according to one of the preceding claims,
characterised in that,
the sealing layer (4) and/or the film element (2) is/are overprinted with an imprint at least in certain regions. - Security document and/or document of value according to claim 1,
characterised in that,
the sealing layer (4) is imprinted onto the carrier (1) by means of a screen printing method, preferably by means of a flat sieve. - Security document and/or document of value according to one claims 1 or 4,
characterised in that,
the lacquer layer has an expansion coefficient which approximately corresponds to the expansion coefficient of the film element (2). - Security document and/or document of value according to one of the preceding claims,
characterised in that,
the sealing layer (4) has an expansion coefficient which approximately corresponds to the expansion coefficient of the film element (2), in particular the longitudinal expansion coefficient, and/or the elasticity modulus of the film element (2) approximately corresponds to that of the sealing layer (4). - Security document and/or document of value according to claim 6,
characterised in that,
the sealing layer (4) has a longitudinal expansion coefficient which deviates from a longitudinal expansion coefficient of the film element (2) by no more than 10%, preferably no more than 5%. - Security document and/or document of value according to one of claims 6 or 7,
characterised in that,
the sealing layer (4) has an elasticity modulus which deviates from the elasticity modulus of the film element (2) by no more than 10%, preferably no more than 5%.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL09004025T PL2077190T3 (en) | 2004-03-26 | 2005-03-21 | Safety document and/or document of value |
PL05740715T PL1727684T5 (en) | 2004-03-26 | 2005-03-21 | Security and/or valuable document |
DK09004025.4T DK2077190T3 (en) | 2004-03-26 | 2005-03-21 | Security and / or value document |
EP09004025A EP2077190B1 (en) | 2004-03-26 | 2005-03-21 | Safety document and/or document of value |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004014778A DE102004014778A1 (en) | 2004-03-26 | 2004-03-26 | Security and / or value document |
PCT/DE2005/000528 WO2005095118A2 (en) | 2004-03-26 | 2005-03-21 | Security and/or valuable document |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09004025A Division EP2077190B1 (en) | 2004-03-26 | 2005-03-21 | Safety document and/or document of value |
EP09004025A Division-Into EP2077190B1 (en) | 2004-03-26 | 2005-03-21 | Safety document and/or document of value |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1727684A2 EP1727684A2 (en) | 2006-12-06 |
EP1727684B1 EP1727684B1 (en) | 2009-06-03 |
EP1727684B2 true EP1727684B2 (en) | 2015-09-30 |
Family
ID=34967144
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09004025A Active EP2077190B1 (en) | 2004-03-26 | 2005-03-21 | Safety document and/or document of value |
EP05740715.7A Active EP1727684B2 (en) | 2004-03-26 | 2005-03-21 | Security and/or valuable document |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09004025A Active EP2077190B1 (en) | 2004-03-26 | 2005-03-21 | Safety document and/or document of value |
Country Status (16)
Country | Link |
---|---|
US (1) | US8132830B2 (en) |
EP (2) | EP2077190B1 (en) |
JP (1) | JP4611377B2 (en) |
KR (1) | KR100869206B1 (en) |
CN (1) | CN100496995C (en) |
AT (1) | ATE432830T1 (en) |
AU (1) | AU2005229477B2 (en) |
BR (1) | BRPI0509260B1 (en) |
CA (1) | CA2560518C (en) |
DE (2) | DE102004014778A1 (en) |
DK (2) | DK2077190T3 (en) |
ES (2) | ES2328263T5 (en) |
PL (2) | PL1727684T5 (en) |
RU (1) | RU2359837C2 (en) |
TW (1) | TWI347271B (en) |
WO (1) | WO2005095118A2 (en) |
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DE4404128A1 (en) † | 1993-02-19 | 1994-08-25 | Gao Ges Automation Org | Security document and method for its manufacture |
US6428051B1 (en) † | 1993-10-13 | 2002-08-06 | Leonhard Kurz Gmbh & Co. | Value-bearing document with window |
DE4334848C1 (en) † | 1993-10-13 | 1995-01-05 | Kurz Leonhard Fa | Security with window |
WO1996028610A1 (en) † | 1995-03-13 | 1996-09-19 | Portals Limited | Security paper |
WO2000000697A1 (en) † | 1998-06-29 | 2000-01-06 | Giesecke & Devrient Gmbh | Antifalsification paper |
DE19840733A1 (en) † | 1998-09-07 | 2000-03-09 | Plusprint Druckmedien Gmbh | Safety cover sticker |
WO2000039391A1 (en) † | 1998-12-29 | 2000-07-06 | De La Rue International Limited | Improvements in making paper |
WO2003054297A2 (en) † | 2001-12-21 | 2003-07-03 | Giesecke & Devrient Gmbh | Security paper and method and device for producing the same |
GB2385298A (en) † | 2002-02-19 | 2003-08-20 | Rue De Int Ltd | Method of preparing a security document having an unpigmented polyurethane coating |
EP1338430A1 (en) † | 2002-02-19 | 2003-08-27 | De La Rue International Limited | Method of preparing a security document |
CA2483467A1 (en) † | 2002-04-26 | 2003-11-06 | Giesecke & Devrient Gmbh | Security element and method for producing it |
WO2003097937A2 (en) † | 2002-05-22 | 2003-11-27 | Arjo Wiggins Security Sas | Article formed from at least a fibrous material jet comprising at least a null thickness zone and method for making same |
EP1386753A1 (en) † | 2002-07-29 | 2004-02-04 | Hueck Folien Gesellschaft m.b.H. | Data carrier or carrying substrate provided with a protecting lacquer against physical, mechanical and chemical attacks |
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DE102019006890A1 (en) * | 2019-10-02 | 2021-04-08 | Giesecke+Devrient Currency Technology Gmbh | Manufacturing process for a security paper and security paper obtainable therewith |
WO2021063542A1 (en) | 2019-10-02 | 2021-04-08 | Giesecke+Devrient Currency Technology Gmbh | Method for producing a security paper and security paper obtainable by said method |
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