WO2008014952A2 - Élément de sécurité à motif imprimé par héliogravure - Google Patents

Élément de sécurité à motif imprimé par héliogravure Download PDF

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Publication number
WO2008014952A2
WO2008014952A2 PCT/EP2007/006717 EP2007006717W WO2008014952A2 WO 2008014952 A2 WO2008014952 A2 WO 2008014952A2 EP 2007006717 W EP2007006717 W EP 2007006717W WO 2008014952 A2 WO2008014952 A2 WO 2008014952A2
Authority
WO
WIPO (PCT)
Prior art keywords
security
security element
security feature
intaglio printing
protected
Prior art date
Application number
PCT/EP2007/006717
Other languages
German (de)
English (en)
Other versions
WO2008014952A3 (fr
Inventor
Peter Franz
Original Assignee
Giesecke & Devrient Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Giesecke & Devrient Gmbh filed Critical Giesecke & Devrient Gmbh
Priority to EP07786422.1A priority Critical patent/EP2049346B1/fr
Priority to CA2659709A priority patent/CA2659709C/fr
Publication of WO2008014952A2 publication Critical patent/WO2008014952A2/fr
Publication of WO2008014952A3 publication Critical patent/WO2008014952A3/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—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

Definitions

  • the invention relates to a security element for security papers, valuable documents and the like having a front side and a back side, a security feature applied on the back side and a stitched intaglio motif applied subsequently on the front side.
  • Security and value documents whose commercial value or utility value far exceeds the material value are usually identified by suitable measures as genuine and distinguishable from counterfeits and counterfeits. They are usually provided with special security elements that are ideally not or only with great effort imitable and not falsified.
  • security elements are of particular importance, which can be identified by the user without aids and recognized as genuine, but at the same time can only be produced with high technical or economic effort.
  • security elements are watermarks, which can only be introduced into a document of value during papermaking, or printed images produced by intaglio printing, which are characterized by a characteristic tactility that is easily recognizable even to the layman, which can be achieved by other printing methods and in particular by copying machines Scanner is not reproducible.
  • the line or intaglio printing technique has for the printing of security papers and documents of value a great importance.
  • the intaglio printing is characterized by the fact that recesses, in particular linear recesses, are engraved in the printing plates in order to produce a desired printed image.
  • These Recesses are created by means of a suitable engraving tool or by etching.
  • the engraving lines are up to about 180 ⁇ m deep and up to several 100 ⁇ m wide.
  • very high forces act between the forme cylinder and the impression cylinder.
  • the impression cylinders are usually covered with special thin rubber blankets.
  • the intaglio technique allows for a very thick paint application compared to other common printing techniques.
  • the paper can be pressed by the high pressure forces in the color-free areas in the engraving of the printing plate and thereby provided with an embossed relief structure.
  • the thick ink layer produced in the intaglio printing process, together with the partial deformation of the paper surface, can also be easily felt manually by the layman and can thus easily be detected by virtue of its tactility as an authenticity feature.
  • the tactility is not imitated with a copier, so that the intaglio printing technology provides high-quality protection against counterfeiting.
  • the tactility of the motivic elements is limited to the front of the disk, as in the production usually in a first printing the back of the disc is printed, and the relief elements of the back subsequently by the high back pressure in the second Stichtikgang be leveled to produce the front. All the glossy elements that were applied to the reverse side of the stitch embossing of the front side are also affected by the contact with the rough impression cylinder or the counter pressure cloth and lose their gloss.
  • the invention has for its object to provide a security element of the type mentioned, which avoids the disadvantages of the prior art.
  • the security element is intended to unite a front-side motif produced in intaglio printing with high-quality rear-side security features.
  • the intaglio motif contains at least one embossed elevation lying opposite the security feature, which protects at least one subarea of the security feature in the intaglio printing step.
  • the at least one survey is formed extensively advantageous with advantage.
  • it is formed with a rounded outline shape, in particular as a circle, oval or as any freeform with rounded corners.
  • the survey may also have an outline that is not rounded at least partially, so z.
  • a freeform with non-rounded corners. Conceivable therefore, would be an outline in the form of a tapered drop.
  • security elements with pointed or angular outline tear more readily, and therefore they are not preferred.
  • the at least one elevation can be without motif function within the front intaglio print motif, can take a backstage form and essentially serve only to protect the backside security feature. However, it can also contribute to the frontal engraving itself, and in particular can form a pattern, a sign or an encoding.
  • intaglio printing makes it possible to emboss certain areas of the substrate while embossing and embossing other areas
  • the embossed areas are referred to as “blind embossed” areas
  • co-application of embossing or color is generally referred to as “color leading” intaglio printing, although the term “intaglio printing "Both the color-leading intaglio printing and the blind embossing are included, the formation of the survey on the front of the substrate is usually carried out as a blind embossing, while a takts security feature opposite the survey on the back of the substrate both by blind embossing and in color-leading intaglio printing can be produced as an embossed element plus inking.
  • the at least one elevation preferably has soft flanks with a small steepness. On the one hand, this measure reduces the risk of paper injuries during the intaglio printing step, and on the other hand leads to an advantageous tear behavior of the finished security element.
  • the height of the at least one elevation is advantageously between 30 .mu.m and 500 .mu.m, preferably between 50 microns and 250 microns, more preferably between 50 microns and 100 microns.
  • the protected security feature on a tactile detectable relief structure can be formed on both sides palpable.
  • the tactile detectable relief structure may, for. B. act to an embossing, in which form a plurality of embossed lines in conjunction with a background pressure an optically variable security element.
  • Such optically variable structures as security elements are z.
  • the optically variable structures of WO 97/17211 can be provided as a security feature to be protected in the security element according to the invention.
  • the disclosure of WO 97/17211 is incorporated in the present application in this respect.
  • angle embossing eg herringbone pattern
  • the protected security feature on a glossy surface in particular a gold glossy surface, silver gloss surface or a luster pigments containing print layer, such as those using the company Merck KGaA under the name Iriodin (R) sold silver white, gold gloss -, Metallglanz- or interference pigments
  • the glossy surface may also be overlaid or underlaid by a further security feature.
  • it may be z. B. act to a thermochromic security feature of any configuration.
  • the thermochromic security feature in the security element according to the invention can also be used without a glossy surface as a backside security feature.
  • security features with a glossy surface are also security features with diffraction structures, in particular holograms, structures with a kinematic effect, matt structures and embossed microstructures having a structure size (eg grid spacing) of greater than 3 ⁇ m, provided these security features include Gloss surface, z.
  • a shiny high-refractive layer, clearcoat or metal layer are provided.
  • the glossy surface and the tactile feature can also be combined in one security feature.
  • the shape of the security feature with glossy surface is basically arbitrary. Frequently, however, strip-shaped elements or elements with non-strip-shaped form, so-called patches, are used.
  • the at least one survey can protect the entire security feature of the back, but it can also protect only parts of the security feature of the back, in the latter case, the protected and unprotected portions after the intaglio printing step advantageously have a different appearance.
  • the arrangement of the protected and unprotected sections then forms an advantageous a pattern, a sign or an encoding.
  • the different appearance may, for example, result from a reduced tactile detectability or a reduced gloss level in the unprotected subregions.
  • the described security element forms part of a security paper or a value document, for example a subarea of a banknote.
  • the security element is first produced as a separate element and subsequently applied to a security paper or a value document, or introduced into a security paper or document of value.
  • the measures required for application or incorporation into a security paper or document of value are well known to the person skilled in the art.
  • a security element according to the invention which is part of a security paper or value document
  • the security feature is arranged at least partially in the region of a window-like opening or an opening in the substrate.
  • a glossy surface in the form of a metallized film for example a metallized embossed hologram, could form the backside security feature.
  • the front embossed elevation then protects according to the invention at least a portion of the glossy surface in the intaglio printing step, wherein at least one passage opening in the substrate of the security paper or value document is arranged in the region of the glossy surface.
  • the through-hole can be formed both during and after the production of the substrate.
  • the recess after the production of the substrate z. B. generated by punching or laser beam cutting.
  • suitable tools such as punching and cutting devices and lasers, basically known.
  • the opening can also be arranged in the region of the embossed elevation of the security element.
  • the counterfeit security is further increased by this additional arrangement of the through opening in the region of the security element according to the invention.
  • the invention also encompasses a method for producing a security element for security papers, value documents and the like, in which
  • a substrate is provided with a substrate front side and a substrate back side,
  • a security feature is applied to the substrate back
  • the intaglio print motif is embossed with at least one elevation opposite the security feature of the substrate back side, whereby at least a partial area of the security feature is protected during the intaglio printing step.
  • the invention further comprises a security paper for the production of documents of value or the like as well as a data carrier, such as a banknote, identity card or the like, wherein security paper or data carrier according to the invention are equipped with a security element of the type described above.
  • the invention further provides a gravure printing plate for embossing the front side of a security element, the back side of which is provided with a security feature to be protected.
  • the gravure motif of the intaglio printing plate has a depression in the region of the security feature to be protected, comprising at least a partial region of the security feature at the intaglio printing step.
  • the at least one depression is formed extensively extended with advantage.
  • it is formed with a rounded outline, in particular as a circle, oval or any free shape with rounded corners to minimize the risk of cracks in the steel gravure plate.
  • the corresponding depressions of the pressure plate can have outline shapes that are at least partially not round or curved.
  • printing plates with pointed or angular recesses tend to break, such recesses are not currently preferred.
  • the at least one depression can be without motif function within the engraving motif and serve essentially only to protect the rear-side security feature. However, it can also contribute to the front-side intaglio motif itself and, in particular, form a pattern, character or a coding.
  • the at least one depression preferably has soft flanks with a small steepness. On the one hand, this measure reduces the risk of paper injuries during the intaglio printing step, and on the other hand leads to an advantageous tear behavior of the finished security element.
  • flank angle as well as the length and shape of the flanks may contribute to the appearance of the front intaglio or backside security feature. In general, the steeper the flank of the depression, the more contrast the embossing appears to the viewer.
  • the flank of the depression can have a stepped contour of a multiplicity of stages of the same or different step height and / or step depth. Accordingly, the edge region of the elevation formed in the security element will have a stepped contour.
  • flank of the recess has at least two regions, which are characterized by a certain edge steepness and between each of which a shoulder or step-shaped region is arranged. Accordingly, the elevation of the security element in the edge region has at least two regions with the same or different edge steepness, which are each separated from one another by a shoulder-shaped or step-shaped region.
  • the engraving depth of the at least one depression can be up to about 2/3 of the thickness of the printing plate and is in particular between 30 ⁇ m and 500 ⁇ m, preferably between 50 ⁇ m and 250 ⁇ m, particularly preferably between 50 ⁇ m and 100 ⁇ m.
  • the engraving depth in the intaglio printing plate is chosen to be slightly larger than the desired height of the elevation of the security element, since the height of the elevation due to the process is usually only about 90% of the engraving depth. For example, with an engraving depth of 100 microns only theoretically reaches a height of the survey of 100 microns, while in practice only about 90 microns survey height can be achieved.
  • the at least one depression can be designed for receiving the entire security feature of the rear side or even for receiving only partial regions of the security feature of the rear side. In the latter case, the at least one depression is advantageously designed or arranged such that the arrangement of the recorded and unrecorded subareas of the security feature forms a pattern, character or coding.
  • the security element can consist of any substrate suitable for intaglio printing. Particularly preferred are paper and paper-like substrates. No conditions are attached to the nature of the paper, so that conventional papers from fibers of annual plants, in particular cotton fibers or cellulose fibers, can be used, in particular cotton vellum papers. But also papers that at least partially made of plastic fibers, preferably polyamide fibers, are conceivable.
  • the proportion x polymeric material of the substrate can thus be from 0 ⁇ x ⁇ 100 wt .-% move.
  • a plastic film e.g. As polyester film, particularly preferred.
  • the film may also be monoaxially or biaxially stretched. The stretching of the film leads to Another is that it receives polarizing properties that can be used as another security feature.
  • the tools required for exploiting these properties, such as polarization filters, are known to the person skilled in the art.
  • the substrate material may be a multilayer composite having at least one layer of paper or a paper-like material.
  • Such a composite is characterized by an extremely high stability, which is for the durability of the security feature of great advantage and also increases the security against counterfeiting.
  • the paper layer usually has a weight of 50 g / m 2 to 100 g / m 2 , preferably 70 g / m 2 to 90 g / m 2 . Of course, depending on the application, any suitable weight can be used.
  • the paper can be processed in one or several layers. For multi-ply paper, the paper layers may consist of the same or different types of paper and in turn be combined with plastic films.
  • the protective recesses can contribute to the design of the front intaglio print motif and / or the design of the rear security feature and realize in conjunction with this further authenticity mark.
  • Show it: 1 is a schematic plan view of the front side of a banknote with a front-side intaglio motif and a dashed marked, tactile detectable, backside security feature,
  • FIG. 2 is a plan view of the back side of the banknote of FIG. 1 in the area of the security feature, FIG.
  • FIG. 3 shows a cross section through the banknote in the area of the security feature 14 along the line III-III of FIG. 2, FIG.
  • FIG. 5 is a plan view of the back of a bill according to another embodiment of the invention.
  • FIG. 7 is a plan view of the back of a banknote according to yet another embodiment of the invention.
  • FIG. 8 shows a detail of a banknote produced according to the invention, wherein (a) is a plan view of the front side, (b) a plan view of the back side, 9 in (a) to (c) intermediate steps in the production according to the invention of a security element having a glossy element and partial embossing structure according to a further exemplary embodiment of the invention,
  • FIG. 10 shows (a) a plan view of the back side of a banknote in the area of a still further exemplary embodiment of the security element according to the invention, in (b) and (c) intermediate steps in the production of the security element according to the invention from FIG. 10 (a), in (d ) a cross section through the banknote in
  • FIG. 11 shows in (a) a plan view of the back of a banknote with a security element according to the invention according to yet another exemplary embodiment of the invention, in (b) a cross section through the banknote in the region of the security element along the line IIb-IIb of FIG. a), and
  • Banknote sheet with four contiguous banknotes according to the invention.
  • FIG. 1 shows a schematic plan view of the front side of a banknote 10.
  • the front side of the banknote has, in addition to the denomination, a serial number and other design and security elements, not shown in the figure, a portrait representation 12 produced by intaglio printing.
  • the reverse side of the banknote 10 contains a security feature 14, likewise produced in intaglio printing, with a tactile detectable relief structure, which is shown in dashed lines in the front view of FIG.
  • the tactility of the motif elements is limited to the banknote front side, since the reverse side is usually produced in a first printing pass, so that the backward relief elements are generated by the counterpressure at the second stitching pass leveled on the front.
  • FIG. 2 shows a top view of the banknote 10 in the area of the security feature 14 from the banknote back side and
  • FIG. 3 shows a cross section through the banknote in the area of the security feature 14 along the line III-III of FIG Fig. 2.
  • the banknote back side 18 thus upwards, the banknote front page 16 down.
  • the tactile detectable banknote back security feature 14 is completely received by an embossed depression 20V which is part of the intaglio print motif applied to the front banknote and by which the security feature 14 in the second printout process generates the obverse motif is protected from the influence of the backpressure conditions.
  • depressions on the banknote reverse side appear on the front of the banknote as elevations to step. Seen from the front side 16, on which the intaglio print motif with the portrait representation 12 is applied, the depression 20V is therefore an elevation 2OE, as illustrated in FIG.
  • the element 20V, 20E will be referred to as a recess 20V when viewed from the viewpoint of the backside security feature 14, and as a protrusion 20E as viewed from the frontal intaglio print 12 point of view.
  • the recess 20V is extended in a planar manner and has a rounded outline, in the form of an elongated oval in the exemplary embodiment, which reduces the risk of plate tearing during printing.
  • the embossing depth of the recess 20V is chosen to be large enough to accommodate the tactile security feature according to the design of the security feature 14.
  • the recess 20V is formed with soft edges 22, so flanks with low slope.
  • the elevation 2OE may have an embossing height 2OH of approximately 200 ⁇ m, which is achieved from the paper surface via flanks of a length of 115 ⁇ m to 235 ⁇ m, that is to say with an average flank angle of approximately 40 ° to approximately 60 °.
  • the tensile strength of the banknote paper also remains high when soft edges are used.
  • the elevation 2OE does not have to have a motif function within the front intaglio motif itself. It may be due to its shape and location Rather, they largely take a backseat visually and only serve to protect the backside security feature 14 in the intaglio printing step. Other designs, in which the survey 2OE or a plurality of such surveys in addition to their protective function also perform motivational function, are described below.
  • FIG. 4 (a) shows a data carrier 30 to be printed, for example the banknote substrate of the banknote 10.
  • a data carrier 30 to be printed, for example the banknote substrate of the banknote 10.
  • first the reverse side 18 of the data carrier 30 is stamped using a backside plate 32 and in particular a tactile security feature 14 generated as shown in Fig. 4 (b).
  • the back-embossed disk 30 is then turned and its front side 16 is also embossed using a front side plate 34 in intaglio.
  • the front side panel 34 contains in particular a recess 36 in a region which corresponds to the area around the tactile security feature 14 of the substrate to be protected.
  • the tactile security feature 14 is received with its relief structure in the second intaglio printing step of the recess 36, as shown in Fig. 4 (d), and thus protected from the leveling influence of the backpressure conditions by the impression cylinder or a counter blanket.
  • the data carrier 30 embossed on both sides with a relief on both sides has on its rear side 18 a tactile, easily detectable security feature 14 and on its front side 16, among others Stichtief horrmotiv instituten 12 a safety feature 14 opposite elevation 20E and recess 20V, as shown in Fig. 4 (e).
  • the engraving depth of the recess 36 leads in pressure to a corresponding embossing depth of the recess 20V.
  • the recess 36 is extended flat and also has a rounded outline shape, in the embodiment in the form of an elongated oval in order to reduce the risk of plate tears.
  • the recess 36 is formed with soft flanks 38 of low slope (see FIG. 4 (c)).
  • FIG. 5 shows a further exemplary embodiment of the invention, in which a banknote 40 is provided with a security feature 42 on its rear side, which is shown in plan view in FIG. 5, with a glossy surface, for example a silver or gold glaze surface applied by screen printing. If a gravure motif is subsequently applied to the banknote front side in a conventional manner after the production of the glossy surface, the gloss of the security feature is reduced by the contact with the rough impression cylinder or with the counterpressure blanket. There- This makes the visual appearance of the security feature significantly duller.
  • FIG. 6 (a) shows a data carrier 50, on the back side 54 of which, for example, a security feature 42 having a glossy surface has been applied by screen printing.
  • the front side 52 of the data carrier is then provided with a gravure printing using a front side plate 56, wherein the front side plate 56 in addition to not shown engraving areas in particular a recess 58 in the region of the security feature 42 has.
  • the security feature 42 is received by the depression 58 and thus protected from the matting influence of the counter-pressure conditions by the counter-pressure cylinder or the counter-pressure cloth, as shown in FIG. 6 (b).
  • the data carrier 50 stamped on the front side has a high-gloss security feature 42 on its rear side 54.
  • the data carrier 50 contains, in addition to the other elements of the intaglio motif, an elevation 6OE opposite the security feature 42, as shown in FIGS. 5 and 6 (c).
  • the element 6OE, 60V viewed on the disk 50 from the front side is a survey 6OE, viewed from the back side, however, a recess 60V.
  • the indentations 58 of the intaglio printing plate can, as shown in FIGS. 5 and 6, completely accommodate the glossy surface of the security feature. However, it is also possible to protect only partial areas of the gloss surfaces by the depressions, so that the backside security feature after the Engraving step partially high-gloss and partially frosted surface areas. Such an embodiment will be further explained below with reference to Figs. 10 (a) to 10 (d).
  • FIG. 7 shows a plan view of the back side of a banknote 70 according to the invention.
  • a shiny metallic security strip 72, z For example, a strip having a metallized hologram is applied to the back of the bill 70.
  • a printing plate is used which, in addition to further engraving areas in the region of the security strip 72, has a row of depressions with a predetermined width and a predetermined spacing.
  • recesses 74V having the predetermined widths and intervals are formed in the banknote 70 from the rear side.
  • the metallic luster of the security strip 72 is retained in the interior of the depressions 74V, so that the security strip 72 there also has high-gloss partial regions 76 after the intaglio printing step.
  • the areas 78 of the security strip 72 outside the depressions 74V appear much duller due to the contact with the counter-pressure cylinder or counter-pressure cloth after the printing step.
  • the different gloss of the areas 76 and 78 of the security strip 72 can now easily be detected and evaluated visually or by machine.
  • the sequence of widths and spaces of the high gloss areas 76 may be a bar code or other coding scheme in which the denomination of the banknote or any other individualizing indication is coded.
  • the indentations of the intaglio printing plate which are aligned on the rear security features may also themselves be arranged generally in the form of patterns, characters or codes. In the transfer of this arrangement in the intaglio printing step in a data carrier so produced on the opposite side corresponding authenticity mark.
  • the intaglio printing on the one hand creates a tactile detectable security feature on the front side of the data carrier. At the same time protect the wells on the back of the disc sections of the security feature arranged there. If the protected and unprotected partial areas have a different appearance, then the arrangement formed by the depressions of the pressure plate can also be detected and evaluated on the back of the data carrier.
  • FIG. 8 shows a detail of a banknote 80 produced according to the invention, FIG. 8 (a) showing a plan view of the front side 82, FIG. 8 (b) showing a top view of the back side 84.
  • the banknote front side 82 is provided with an intaglio motif which, in addition to other motif elements, also contains a plurality of square elevations 86E, the relief structure of which can be well felt by the user with his finger.
  • the elevations 86E may be arranged regularly or code by their arrangement a predetermined information.
  • a security strip 88 with silver gloss was printed on the reverse side 84 of the banknote 80 in the region of the elevations 86E.
  • this security strip 88 now comes in contact with the rough counter-pressure cylinder or the counter-blanket over a large area and is thus largely roughened and matted.
  • the only exceptions are those portions of the security strip 88 that oppose the elevations 86E of the front side, which appear on the banknote back as a recess 86V. In these areas, the glossy surface is protected in intaglio printing and the original gloss level is maintained.
  • the tactile detectable on the front side 82 arrangement of the elevations 86E can therefore be visually or automatically detected on the back 84 by the different levels of gloss of the subregions inside and outside the recesses 86V.
  • FIG. 9 (a) shows a data carrier 90, on whose rear side 94 a security feature 96 having a glossy surface has been applied, for example by screen printing.
  • the front face 92 of the data carrier is then provided with a gravure motif using a face plate 98, as shown in Fig. 9 (b).
  • the front side plate 98 has, in addition to engraving areas, not shown, in particular a recess 100 in the region of the security feature 96 with a glossy surface.
  • FIG. 9 (b) shows a data carrier 90, on whose rear side 94 a security feature 96 having a glossy surface has been applied, for example by screen printing.
  • the front face 92 of the data carrier is then provided with a gravure motif using a face plate 98, as shown in Fig. 9 (b).
  • the front side plate 98 has, in addition to engraving areas, not shown, in particular a recess 100 in the region of the security feature 96 with a glossy surface.
  • FIG. 9 (b) shows
  • FIG. 10 (a) shows a plan view of a banknote in the area of a security feature from the banknote back side.
  • the security feature is composed of a tactile security feature 114 produced in intaglio printing and a glossy surface 116 arranged over the entire surface over the security feature 114 (see FIG. 10 (b)). Accordingly, in this embodiment, a tactile feature and a glossy surface are combined as a security feature.
  • the glossy surface 116 which may be, for example, a silver or gold glossy surface applied by screen printing, is not only over the entire area over the tactile security feature 114 but also over its entire area in the area of the Groove 20V and applied in a certain area around the recess 20V around on the banknote.
  • the glossy surface 116 according to FIG. 10 (a) furthermore has the special feature that it has a very high gloss intensity, in the area of the recess 20 V, in the region of the banknote on the other hand, a much lower gloss level is shown outside the 20V recess.
  • the high-gloss gloss surface arranged in the region of the recess 20V is denoted by the reference symbol 116G, while the matted regions of the gloss surface outside the recess 20V are designated by the reference symbol 116M.
  • a banknote with a security element according to the invention according to FIG. 10 (a) is characterized by an extraordinarily high security against counterfeiting, since in addition to the tactile detectable puncture mark pressure on the back of the security element or the banknote a gloss surface is present, which has a very high gloss in the area of the recess 20V and 20V outside the recess a much lower gloss level.
  • the edge 119 of the recess 20V thus separates the glossy areas 116G of the glossy surface from the matted areas 116M of the glossy surface by a more or less sharp "edge.” Such a transition can not be practically reproduced by forgers with simple means.
  • a glossy surface 116 was first applied, for example, a silver glossy surface by screen printing.
  • the backside 18 was then embossed using a backsheet 132 (not shown) to form a tactile detectable security feature 114 over which a glossy surface 116 is disposed over the entire surface.
  • the glossy surface 116 on the back side of the security element 130 covers an area larger than the extent of the recess 20V to be inserted (see Fig. 10 (d)).
  • the embossing of the back 18 can in principle also be done before the application of the glossy surface.
  • the variant described above is preferred, in which the glossy surface 116 is applied in simultaneous printing together with other imprints of the banknote and subsequently the tactile feature 114 is produced in the gravure printing method.
  • the data carrier 130 provided with the glossy surface 116 and embossed on the reverse side is also stamped on its front side 16 using a front side plate 134.
  • the Front side plate 134 contains not only in the figure, not shown engraving areas for a portrait and other motif elements in particular a recess 136 in a region corresponding to the area around the security feature of the data carrier 130 to be protected.
  • the tactile security feature 114 and the glossy surface 116 arranged above it are received by the depression 136 in the second intaglio printing step.
  • the glossy surface 116 is protected only in the region of the depression 136 from the leveling influence of the backpressure conditions by the impression cylinder or a counter-pressure cloth.
  • the glossy surface 116 is matted by the influence of the counterpressure cylinder or backsheet so that the areas 116M are formed with a low gloss level.
  • the gloss surface 116 has a very high gloss intensity (reference symbol 116G).
  • the double-sided gravure embossed data carrier 130 accordingly has on its rear side 18 a tactile, easily detectable security feature 114, a gloss surface 116G of high gloss thickness arranged above it and a gloss surface 116M of low gloss thickness arranged outside the recess.
  • the data carrier 130 On the front side, the data carrier 130 has an elevation 2OE, which is opposite the security feature 114, or a recess 20V and further engraved printing elements, not shown (see FIG. 10 (d)).
  • the depression 136 in the face plate 134 must have an engraving depth that includes not only the tactile detectable mark 114 but also the glossy surface 116G before the backpressure conditions protects the counter-pressure cylinder or a counter-pressure cloth.
  • engraving depths in the rich of z. B. 50 microns to 500 microns the above condition can be realized in practice usually.
  • the depression 136 is expanded in a planar manner and has a rounded outline shape, for example in the case of FIGS. B. in the form of an elongated oval, to reduce the risk of plate tears.
  • the depression 136 is formed with soft edges 138 of low slope (see FIG. 10 (b)).
  • FIG. 11 (a) and 11 (b) Another security element according to the invention is shown in FIG. 11 (a) and 11 (b).
  • 11 (a) shows a plan view of the back side of a value document 160, in which a security element according to the invention is arranged in its edge region.
  • the security element has a security feature 124 which is designed as a flat, tactile security feature produced by intaglio printing.
  • the security feature 124 is arranged along two long and two short sides of the value document 160, wherein the security feature along the two long sides is denoted by the reference numerals 124a and 124b and along the two short sides by the reference numerals 124c and 124d.
  • the individual elements 124a, 124b, 124c and 124d of the security feature form, except for an interruption in the region of a corner 161 of the document of value 160, a frame circulating along the banknotes.
  • further tactile detectable security features in the form of geometric structures 124e and 124f are arranged beyond.
  • the value document has a tactile security feature 124g in the area of the corner 161.
  • the value document 160 could of course also have glossy surfaces or similar security features to be protected on its rear side.
  • the security elements 124a to 124g to be protected are protected by the recess 20V according to the invention.
  • the edge of the recess 20V is provided on the back of the banknote according to FIG. 11 (a) with the reference numeral 119a, insofar as it concerns the recess protecting the planar security elements 124a to 124f.
  • the tactile feature 124g is protected by a recess 20V whose edge is provided on the back of the document of value 160 by the reference numeral 119b.
  • FIG. 11 (b) A cross section through the value document 160 in the area of the security feature 124b is shown in FIG. 11 (b). It can be seen from the cross-sectional illustration that the security feature 124b was protected from the leveling influence of the backpressure conditions by the counterpressure cylinder or the backsheet during the second intaglio printing step, so that the tactility of the feature 124b on the backside 18 of the value document 160 is fully protected Scope has been preserved.
  • the second printing step while among other things the front elevation 2OE is formed, the security element according to the invention has been completed. Accordingly, the tactile security feature 124 is formed on the back side 18 of the banknote, and the elevation 2OE, which can also be detected tactually, is formed on the front side 16 of the banknote.
  • FIG. H (b) The illustrated cross-section (FIG. H (b)) is specifically the intaglio printing element 124b arranged on the rear side 18 and the embossed elevation 20E arranged opposite one another.
  • the recess protecting the security feature 124 in the substrate 140 extends substantially to the edge 163 of the banknote 160.
  • the banknote points to a small interruption in the area of the corner 161 thus a consisting of the security feature 124 and the recess 20V surrounding frame.
  • This planar design of the depression 20V or elevation 2OE gives the value document according to FIG.
  • the areal extent of the security element along at least one edge of the value document proves to be aesthetically extremely appealing.
  • tactile detectable structures can also be introduced on the front side 16 of the elevation 2OE by the second intaglio printing step.
  • tactile detectable structures can also be introduced on the front side 16 of the elevation 2OE by the second intaglio printing step.
  • a tactile detectable element in the elevation 2OE, as indicated for example in the area 106 in FIG. 9 (c).
  • FIG. 12 shows a detail of a multi-use banknote sheet 180 with four adjacent individual bank notes 170, 171, 172 and 173, which are not yet separated.
  • a multi-value banknote sheet 180 will of course have significantly more individual banknotes.
  • the individual banknotes 170 to 173 directly adjoin one another at the corner 161.
  • the individual banknotes 171 and 172 in the multi-benefit banknote sheet 180 immediately adjoin the edge 162.
  • the plan view of the detail from the multi-use banknote form 180 according to FIG. 12 also shows the security features 134 and 135 to be protected on the banknotes. After the formation of the front elevation 2OE, the security features 134 and 135 are protected in the recess 20V.
  • the edge of these depressions is designated in FIG. 12 by the reference numerals 149 and 139, respectively.
  • the front elevation 2OE introduced in the second intaglio printing step may, as shown in FIG. 12, extend to more than one single banknote of the multi-use banknote form 180.
  • the recess 20V the edge of which is designated by the reference numeral 149, extends beyond the edge 164 of the adjacent individual bank notes 170 and 171.
  • the front or rear side printing plate provided for forming these security elements must be formed.
  • the back side intaglio printing plate provided for the formation of the tactile security features 134, 135 has corresponding engravings in the edge or corner area of the individual-use areas of the back side intaglio printing plate corresponding to the individual banknotes.
  • the front side intaglio printing plate will have corresponding engravings for the formation of the flat elevations of the banknotes in the edge or corner area of the single-use areas of the front-side intaglio printing plate corresponding to the individual banknotes.
  • a banknote that has been embossed with such a back side or front side engraved printing plate and has a so-called "edge-dropping" intaglio printing is characterized by a particularly large security against counterfeiting and an aesthetically pleasing design.

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Plates And Materials Therefor (AREA)

Abstract

L'invention concerne un élément de sécurité pour des papiers de sécurité, documents de valeur et similaire avec une face avant (16) et une face arrière (18), une marque de sécurité (14) appliquée à la face arrière (18) et un motif (12, 20) imprimé ensuite par héliogravure sur la face avant. Le motif imprimé par héliogravure contient au moins un soulèvement (20E) gravé opposé à la marque de sécurité (14) qui protège au moins une zone partielle de la marque de sécurité (14) lors de l'étape d'impression par héliogravure.
PCT/EP2007/006717 2006-08-03 2007-07-30 Élément de sécurité à motif imprimé par héliogravure WO2008014952A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07786422.1A EP2049346B1 (fr) 2006-08-03 2007-07-30 Élément de sécurité à motif imprimé par héliogravure
CA2659709A CA2659709C (fr) 2006-08-03 2007-07-30 Element de securite a motif imprime par heliogravure

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610036670 DE102006036670A1 (de) 2006-08-03 2006-08-03 Sicherheitselement mit Stichtiefdruckmotiv
DE102006036670.0 2006-08-03

Publications (2)

Publication Number Publication Date
WO2008014952A2 true WO2008014952A2 (fr) 2008-02-07
WO2008014952A3 WO2008014952A3 (fr) 2008-06-19

Family

ID=38754728

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/006717 WO2008014952A2 (fr) 2006-08-03 2007-07-30 Élément de sécurité à motif imprimé par héliogravure

Country Status (6)

Country Link
EP (1) EP2049346B1 (fr)
CA (1) CA2659709C (fr)
DE (1) DE102006036670A1 (fr)
MY (1) MY165927A (fr)
RU (1) RU2417899C2 (fr)
WO (1) WO2008014952A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009057358A1 (de) 2009-12-08 2011-06-09 Giesecke & Devrient Gmbh Sicherheitselement für Folienelement
EP2599637B1 (fr) 2011-11-30 2016-06-29 Giesecke & Devrient GmbH Support de données avec caractéristique de sécurité tactile
CN112172315A (zh) * 2020-10-10 2021-01-05 彭亮 一种嵌入式缩微文字图案凹版印刷设计制作方法
CN113771514A (zh) * 2021-09-13 2021-12-10 永发印务(四川)有限公司 一种提高覆星光膜产品识别码扫码识别率的方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018209391A1 (fr) 2017-05-17 2018-11-22 Ccl Secure Pty Ltd Élément de sécurité tactile pour un billet de banque

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3015267A (en) * 1956-12-04 1962-01-02 Dashew Business Machines Inc Identification and printing devices
EP0318717A2 (fr) * 1987-12-04 1989-06-07 GAO Gesellschaft für Automation und Organisation mbH Document avec des reliefs pour éviter sa falsification et procédé de fabrication d'un tel document
WO2004037548A1 (fr) * 2002-10-18 2004-05-06 Giesecke & Devrient Gmbh Document de valeur
EP1317349B1 (fr) * 2000-09-08 2004-06-23 Giesecke & Devrient GmbH Plaque d'heliogravure et document de valeur produit avec celle-ci
EP1629994A2 (fr) * 2004-08-27 2006-03-01 Austria Card Plastikkarten und Ausweissysteme GmbH Feuille métallique en relief avec une structure tridimensionelle pour la fabrication de documents utilisant une presse de laminage chaude froide

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3015267A (en) * 1956-12-04 1962-01-02 Dashew Business Machines Inc Identification and printing devices
EP0318717A2 (fr) * 1987-12-04 1989-06-07 GAO Gesellschaft für Automation und Organisation mbH Document avec des reliefs pour éviter sa falsification et procédé de fabrication d'un tel document
EP1317349B1 (fr) * 2000-09-08 2004-06-23 Giesecke & Devrient GmbH Plaque d'heliogravure et document de valeur produit avec celle-ci
WO2004037548A1 (fr) * 2002-10-18 2004-05-06 Giesecke & Devrient Gmbh Document de valeur
EP1629994A2 (fr) * 2004-08-27 2006-03-01 Austria Card Plastikkarten und Ausweissysteme GmbH Feuille métallique en relief avec une structure tridimensionelle pour la fabrication de documents utilisant une presse de laminage chaude froide

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009057358A1 (de) 2009-12-08 2011-06-09 Giesecke & Devrient Gmbh Sicherheitselement für Folienelement
WO2011069631A2 (fr) 2009-12-08 2011-06-16 Giesecke & Devrient Gmbh Élément de sécurité avec élément de film
EP2599637B1 (fr) 2011-11-30 2016-06-29 Giesecke & Devrient GmbH Support de données avec caractéristique de sécurité tactile
EP2599637B2 (fr) † 2011-11-30 2019-11-06 Giesecke+Devrient Currency Technology GmbH Support de données avec caractéristique de sécurité tactile
CN112172315A (zh) * 2020-10-10 2021-01-05 彭亮 一种嵌入式缩微文字图案凹版印刷设计制作方法
CN113771514A (zh) * 2021-09-13 2021-12-10 永发印务(四川)有限公司 一种提高覆星光膜产品识别码扫码识别率的方法

Also Published As

Publication number Publication date
MY165927A (en) 2018-05-18
EP2049346B1 (fr) 2016-11-23
DE102006036670A1 (de) 2008-02-07
WO2008014952A3 (fr) 2008-06-19
EP2049346A2 (fr) 2009-04-22
CA2659709A1 (fr) 2008-02-07
RU2417899C2 (ru) 2011-05-10
RU2009106193A (ru) 2010-09-10
CA2659709C (fr) 2015-02-24

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