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EP2007586B9 - Element de securite avec des caracteristiques d'authenticite identifiables de maniere visuelle et tactile - Google Patents

Element de securite avec des caracteristiques d'authenticite identifiables de maniere visuelle et tactile Download PDF

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Publication number
EP2007586B9
EP2007586B9 EP07723480A EP07723480A EP2007586B9 EP 2007586 B9 EP2007586 B9 EP 2007586B9 EP 07723480 A EP07723480 A EP 07723480A EP 07723480 A EP07723480 A EP 07723480A EP 2007586 B9 EP2007586 B9 EP 2007586B9
Authority
EP
European Patent Office
Prior art keywords
line
pattern
security element
printing
dot
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.)
Not-in-force
Application number
EP07723480A
Other languages
German (de)
English (en)
Other versions
EP2007586B2 (fr
EP2007586A2 (fr
EP2007586B1 (fr
Inventor
Christof Baldus
Max Voit
Jürgen ZERBES
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giesecke and Devrient GmbH
Original Assignee
Giesecke and 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
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Application filed by Giesecke and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Priority to PL07723480T priority Critical patent/PL2007586T3/pl
Publication of EP2007586A2 publication Critical patent/EP2007586A2/fr
Application granted granted Critical
Publication of EP2007586B1 publication Critical patent/EP2007586B1/fr
Publication of EP2007586B9 publication Critical patent/EP2007586B9/fr
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Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/425—Marking by deformation, e.g. embossing
    • 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
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/333—Watermarks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/342—Moiré effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/351—Translucent or partly translucent parts, e.g. windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/02—Letterpress printing, e.g. book printing
    • B41M1/04—Flexographic printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/06—Lithographic printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/12—Stencil printing; Silk-screen printing
    • B42D2033/06—
    • B42D2035/16—
    • B42D2035/36—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/324—Reliefs

Definitions

  • the invention relates to a security element according to the preamble of independent claim 1.
  • the invention further relates to a method for producing such a security element and a data carrier with such a security element.
  • data carriers such as banknotes, securities, credit or ID cards, passports, certificates and the like, labels, packaging or other elements for product protection are provided with security elements which are printed on both sides, have translucent substrate.
  • security elements which are printed on both sides, have translucent substrate.
  • the protection against forgery of such a security element is based on the fact that, in addition to the printed images of the two sides of the carrier material, visually an image can also be perceived, which results in transmitted light as a superimposition of the front and back printed images. The visible image can not be reproduced or insufficiently reproduced by the abovementioned reproduction devices, as a result of which counterfeiting can be easily recognized.
  • Out CA 1 019 012 A1 is a value document, such as a banknote, known, which is provided in a partial area of its surface with a full-surface print pattern.
  • the data carrier is additionally provided with an embossed structure in the region of this print pattern so that flanks of the embossed structure are formed which are only visible at certain viewing angles.
  • a data carrier such as a banknote, identity card or the like, which has a security element which is at least visually testable and has an embossment in at least one subregion.
  • the embossing is executed in non-color-leading intaglio printing as halftone blind embossing. From the WO 02/20274 A1 Furthermore, it is also known to print a substrate in the so-called color-leading intaglio printing.
  • the invention is therefore based on the object to propose a security element of the type mentioned, which avoids the disadvantages of the known generic security elements, provides an increased level of protection against counterfeiting and can be checked at the same time in a simple manner on its authenticity.
  • a data carrier with such a security element and a method for producing such a security element should be specified.
  • the first dot or line printing pattern is combined congruently with an embossed structure which is produced by means of a intaglio printing method.
  • embossing structure is understood below any structure that consists of raised and recessed areas of the substrate and can be produced with the embossing tools commonly used in intaglio printing.
  • the embossing tools are deeply engraved plates using various techniques.
  • the first dot or line print pattern cooperates with the second dot or line print pattern in such a way that at least one partial area has a visually recognizable information which characterizes the authenticity of the security element.
  • a periodic dot or line printing pattern is understood to mean any pattern whose periodicity satisfies the definition given in the Paperback of Mathematics, Bronstein, Semendjajew, 25th edition. Accordingly, the dots or lines forming the dot or line printing pattern are regularly arranged, i. H. the patterns have a recurring interval with respect to the spacing of the dots or lines.
  • a near-periodic dot or line-printing pattern will be understood below to mean any pattern that is not exact but only approximately periodic.
  • a dot matrix can also appear as a line grid, depending on the size and the distances of the dots when the visual resolution is not reached.
  • a sharp demarcation between point and line grids is not required, which is why such is dispensed with.
  • the perceived impression of the first and second dot or line print pattern always refers to viewing in reflected light, that is to say in reflection, unless expressly stated to be the visual impression of the dot or line print pattern in FIG Transparency, ie in transmission.
  • the security element By combining the first dot or line printing pattern produced in intaglio printing with an embossed structure of the same screen width, the security element not only provides visual, but also haptically detectable authenticity features.
  • the security element thus represents a detectable with the eyes and the sense of touch so-called human feature that allows the authenticity check by the man or the woman on the street in a simple manner.
  • the counterfeit protection is further enhanced by the combination with the eyes perceptible and tactile authenticity features, since the embossed structures of the security element with conventional reproduction techniques such.
  • B. color copiers basically can not be played.
  • the embossing structure provided on the first side of the carrier material is to a certain extent always also present as a negative embossed structure on the second side of the carrier material, for which reason the security element can be detected haptically on both sides. As a result, the security against counterfeiting is further increased and the security element has on both sides the grip that the user perceives as typical for a document of value.
  • the information characterizing the genuineness is recognizable by the interaction of the first and second dot or line printing patterns in at least one partial area.
  • any information that indicates the authenticity of the security element to the viewer without the use of auxiliary means is understood below.
  • the easily recognizable additional information of the security element further increases security against counterfeiting since it can not be reproduced or can only be reproduced very insufficiently by reproduction techniques such as scanners or color copiers.
  • the first dot or line printing pattern is a printed layer produced in intaglio printing.
  • the carrier material is provided simultaneously with the first dot or line printing pattern and the embossing structure according to the invention, since the intaglio printing method, in addition to the production of the embossed structure allows the simultaneous application of the ink.
  • Such pressure is also referred to as color leading intaglio printing.
  • the printed layer essentially congruent with the raised regions of the embossed structure; This enables a precise combination of dot or line pattern and embossed structure.
  • the user can perceive the color relief created in color-guiding intaglio printing very well with his sense of touch and his eyes.
  • the first dot or line print pattern is a line grid with a constant screen ruling.
  • the print pattern with constant screen ruling represents a special case of a periodic print pattern, but with the proviso that it has only a defined period that does not change within the print pattern.
  • the printed pattern with a constant screen ruling can be produced relatively accurately with today's printing techniques and, moreover, fits well into an image motif or geometric pattern which may be present on the respective side of the security element.
  • the embossed structure of the security element is a line grid with a constant screen ruling.
  • Such an embossed structure can be produced precisely with the intaglio technique.
  • the embossed structure is combined with a dot or line print pattern of the same screen ruling as a line raster. If print pattern and embossed structure, as described above, are produced in a single process step and each well of the intaglio printing plate is filled with color, the combination of a printing pattern and an embossing pattern of the same screen ruling can be accomplished in a simple manner according to this process variant.
  • the embossing structure of the first side on the second side of the data carrier to form a substantially negative embossing structure which interacts with the second dot or line print pattern to form an optically variable structure such that at least parts of the second dot or line print pattern are completely visible when viewed vertically, but obscured when viewed at an angle.
  • the embossing structure of the first side always produces, to a certain extent, a negative embossed structure on the second side. If the raised and recessed areas on the second side are sufficiently high or low and combined with a suitable printing pattern, the result is always an optically variable structure on the second side.
  • This structure can also be combined with an optically variable structure on the first side of the carrier material.
  • Such a security element with an optically variable structure on both sides of the substrate proves to be exceptionally forgery-proof and gives the security element a high degree of tactility.
  • the points or lines of the subregions are offset relative to the points or lines of the remaining second dot or line printing pattern offset by a fraction of the grid width of the line grid.
  • Particularly preferred is an offset by one third of the grid width of the line grid. In this way, one obtains portions with a relatively clearly defined offset from the rest of the print pattern.
  • the second dot or line pattern has multiple portions. In this way can be seen in the transparent and the authenticity of the security element generate identifying information redundant, which is why they may still be visible even after partial destruction of the security element.
  • the point or line printing pattern prefferably has a plurality of subregions which form a second information which has subareas in the horizontal direction and subareas in the vertical direction, where m, n ⁇ 1, preferably m, n ⁇ 2.
  • the security element can be technically complex and thus inherently produce counterfeit-proof.
  • the points or lines of the subregions are offset from the points or lines of the remaining second dot or line printing pattern offset by different fractions of the grid width of the line grid. Due to the different offset of the points or lines in the different subregions, a different brightness of the subregions results when viewed through, because the points or lines of the first and second printing patterns overlap to different degrees. As a result, information characterizing the authenticity can be perceived in the different subareas with a different brightness, which is very appealing to the viewer.
  • the second dot or line printing pattern is a stitch depth, offset, screen, flexo, xerographic, inkjet, thermographic printing or a printing layer produced by a laser printer.
  • the printing pattern depending on the method used, has certain properties which are known per se to a person skilled in the art.
  • the first dot or line printing pattern is produced by intaglio printing, we obtain a security element having a combined pressure-embossing structure on both sides.
  • the layer thickness of the carrier material and the parameters of the embossments for this case must be chosen so that a mutual destruction of the embossed structure of one side is avoided by the embossing structure of the other side.
  • the second dot or line printing pattern is generated by the action of laser radiation.
  • radiation sources come here CO 2 lasers, Nd: YAG lasers or other laser types in the wavelength range from ultraviolet (UV) to far infrared (IR) in question, the laser often also work with frequency doubling, tripling or even greater frequency multiplication.
  • laser sources in the near IR are preferably used, since this wavelength range fits well with the absorption properties of the materials intended for the printing patterns.
  • the spot size of the laser radiation can vary from a few micrometers to a few millimeters depending on the application, the printing patterns according to the invention can advantageously be produced by the use of laser radiation.
  • the continuous power of the laser used for this purpose is usually between a few watts and a few hundred watts.
  • the carrier material used is absorbent for the selected wavelength range of the laser radiation or the carrier material contains an additive which absorbs this radiation
  • a part of the second dot or line pressure pattern can be produced by discoloring the carrier material.
  • the generation of dot or line screens in a print image previously applied by a printing method is preferred. In this case, part of the previously applied print layer is removed by the action of the laser radiation and a finely structured dot or line grid is produced.
  • the first and / or the second dot or line print pattern is an at least partially multi-colored layer.
  • the first and second printed pattern in transmitted light produce interesting mixed color effects, which also increase the security against imitation.
  • the first and / or second dot or line print pattern may also be an optically variable ink or a metallic effect ink.
  • a metallic effect color gold or silver effect colors can be used with advantage.
  • optically variable printing ink preference is given to using interference-layer pigments or printing-ink containing liquid-crystal pigments. These optically variable inks produce a particular color to the viewer depending on the viewing angle. Furthermore, the use of these printing inks further increases the protection against counterfeiting.
  • first and / or second dot or line print pattern has at least partially machine-readable properties, since such a security element has authenticity features which can be checked in a further security level in addition to the so-called human features.
  • Such a review may, for. B. for banks and similar institutions of interest.
  • the security element can have further layers and authenticity features, such. B. an additional translucent, optically variable layer or a film element.
  • the additional translucent layer can be applied with advantage in a color-guiding stitch print on an already printed dot or line printing pattern. It is also conceivable, however, both the print pattern and the additional translucent, optically variable layer in separate process steps, for. B. in offset or Nyloprinttik to apply to the print pattern.
  • the use of a translucent, optically variable When viewing the print pattern in plan, layer causes the color of the print pattern to change depending on the viewing direction. A pronounced color shift effect is achieved especially with dark colors for the print pattern, such as black or dark green.
  • a security element according to this embodiment is relatively expensive to manufacture, but at the same time very well protected against counterfeiting.
  • the aforementioned additional layers and elements may be superposed or underlaid to the first and / or second print pattern.
  • the visually perceptible information of the at least one subarea is preferably an alphanumeric character, symbol and / or geometric pattern.
  • the alphanumeric character may be, for example, the denomination of the volume, e.g. B. a banknote, act, having the security element. Particularly tamper-proof, but at the same time very elaborate, is an individualized security element, which reveals an idividualizing information characterizing the genuineness.
  • the alphanumeric characters may use characters of all known fonts, although characters from the standard Latin and Greek fonts are particularly preferred.
  • As a symbol for example, to think of a cross, double cross symbol, polygonal limited entities or a circle.
  • the geometric patterns may be z. For example, it can be a guilloche pattern or the outline of a snowflake.
  • the visually perceptible information is different in different subareas or else the individual information of the subareas is complementary to a total information, for example a value number.
  • any translucent carrier material can be used for the security element.
  • the light transmittance must be at least so great that in transmitted light the information contained in at least one subregion can be visually perceived.
  • the use of an additional illumination means to improve the visibility of the information by the observer is conceivable, although the thickness of the material is chosen so that a perception of the transmitted light feature is possible even without aids.
  • the carrier material used must have properties which make it possible to introduce the embossed structure according to the invention by intaglio printing.
  • paper in particular cotton vellum paper, is preferred as carrier material.
  • paper which contains a proportion of polymeric material in the range of 0 ⁇ x ⁇ 100% by weight.
  • the carrier material is a plastic film.
  • Suitable materials for the film are, in particular, PET (polyethylene terephthalate), PBT (polybutylene terephthalate), PEN (polyethylene naphthalate), PP (polypropylene), PA (polyamide) and PE (polyethylene).
  • the film may also be monoaxially or biaxially stretched. The stretching of the film, inter alia, leads to it receiving polarizing properties that can be used as another security feature. The use of this Properties required aids, such as polarizing filters are known in the art.
  • the carrier material is a multilayer composite which has 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.
  • All materials used as the carrier material can have additives which serve as authenticity features. It is primarily to think of luminescent, which are preferably transparent in the visible wavelength range and in the non-visible wavelength range by a suitable tool, for. B. a UV or IR radiation emitting radiation source, can be excited to produce a visible or at least detectable luminescence.
  • Other security features can be used with advantage, provided that they do not affect or only slightly affect the viewing of the printed pattern in supervision or the information in transmitted light.
  • the security element according to the invention can be applied to a data carrier, such as security and value documents, such as banknotes, stocks, bonds, certificates, vouchers, bank and ID cards, passports or the like.
  • security and value documents such as banknotes, stocks, bonds, certificates, vouchers, bank and ID cards, passports or the like.
  • the disk will work in this way with a Also for the laymen easily recognizable security element equipped to increase the protection against counterfeiting.
  • the security element according to the invention can be used very advantageously in the field of product protection. In this case, the security element can be applied to appropriate labels or packaging or the product itself.
  • a data carrier which has a watermark and a security element arranged at least partially in the region of the watermark.
  • a translucent substrate is provided with the first and second dot or line printing pattern and registers to the embossed structure generated, wherein the first dot or line pattern and the embossing pattern are simultaneously generated in the intaglio printing process in a single process step.
  • the second printing layer can be printed in any printing process, such as in planographic printing, z. B. in the offset process, in high pressure, z. B. in letterpress or flexographic printing, screen printing, gravure, z. As in gravure or gravure printing, or be produced in a thermography process.
  • the coating can preferably also be produced by a laser printer or by the action of laser radiation.
  • the production of the embossed structure by means of a gravure printing plate as embossing tool.
  • the embossed structure is in the color-leading Intaglio printing is generated, wherein congruent with the embossing pattern, the first printing pattern is provided.
  • a plate surface is milled with an engraving stylus or a laser.
  • an engraving stylus or a laser any material such as copper, brass, steel, nickel or the like can be used.
  • the engraving stylus used for the milling preferably has a flank angle of about 40 ° and a rounded tip that approximates a spherical segment or sector.
  • the embossing tool can be milled as a single use or even as multiple benefits.
  • a printing plate can be used which, in the region of the first printing pattern, has a depression which accommodates at least a partial region of the first printed pattern in order to protect it from the effects of the printing of the second printed pattern ,
  • special printing plates remain relief height and shape of the first print pattern or the embossing on the first page before the influence of the printing process on the second side, in particular a disadvantageous calendering spared.
  • the Fig.1 shows a data carrier 10 according to the invention in the form of a banknote with a security element 3, which is placed in the print image area of the data carrier 10.
  • the security element 3 is used according to the invention as a so-called human feature, ie as a testable by humans without aids feature, in addition to optionally further features such as security threads, watermarks, etc., to determine the authenticity.
  • the provision of such features is particularly useful for banknotes, but also for other monetary documents, such as stocks, checks and the like.
  • As a data carrier in the context of the invention are also labels, passports or cards into consideration, as they are today z. B. for the identification of persons or goods, or to carry out other transactions or services.
  • the embodiments described below are reduced to the essential core information for the sake of clarity.
  • single-color or multi-color print patterns can be used as the first or second dot or line swatch pattern.
  • the embossing structure has an embossing height in the range from 10 ⁇ m to 250 ⁇ m, preferably from 50 ⁇ m to 120 ⁇ m.
  • the described embodiments are not limited to use in the form described, but can be combined to increase the effects with each other.
  • Fig. 1 has the security element 3 on the first side of the carrier material, which in the present case is a cotton vellum paper of the banknote, a first printed in intaglio printed pattern.
  • the print pattern it is a lineprint pattern with a constant screen ruling.
  • the grid width is chosen so that it fits visually into the design of the surrounding guilloche pattern 11.
  • the printing of the line printing pattern 1 and the guilloche 11 on the front side 12 of the banknote was carried out in a color-guiding intaglio printing method, wherein at the same time an embossing pattern of the same screen width was produced.
  • a line pressure pattern 2 that can be generated from the mirror image of the first print pattern by producing a print pattern that is substantially mirror-inverted relative to the first print pattern, portions of which are offset from the rest of the gel image.
  • Fig. 3 now shows the front side 12 of the banknote 10 in review. It can be seen that the first and second line printing patterns 1 and 2 overlap in transmitted light in such a way that information 7 is visually detectable, which represents the denomination of the banknote, namely "500". The information 7 is in reality still detectable in two further subregions of the security element 3 (above and below the information 7), but with a different contrast, which coincides with the in Fig. 3 selected reproduction technique can not be sufficiently represented.
  • the line printing pattern 2 has partial areas in which the lines are offset from the surrounding lines. According to Fig. 4 the areas 4a, 4b and 4c represent a pattern which has the same screen width as the printing pattern 1 and is printed in mirror image on the back 13 of the banknote 11.
  • the line pressure pattern 2 has areas in which the lines are offset relative to the lines of the remaining areas of the print pattern 2, in particular of the areas 4a, 4b and 4c.
  • these are the areas 5a, 5b and 5c and 6a, 6b and 6c.
  • the regions 5a to 5c interact with the corresponding regions 6a to 6c in such a way that they encode information.
  • this is the denomination "500”.
  • the coded information is visually very difficult to detect when viewing the print pattern 4 in supervision. However, when viewed through the security element 3 according to the invention, the information can be perceived simply and clearly.
  • the mirror-image information of "500" can be seen by looking at the line print pattern 2. The same applies to the subareas 5a, 6a and 5c, 6c and the information that can be read in these subareas.
  • FIG Fig. 5 An exemplary security element is shown in FIG Fig. 5 shown in more detail.
  • the carrier material 30 has a stamping structure with raised areas 31 and valleys 32 produced by intaglio printing.
  • the embossed structure is designed in the form of a line grid with grid spacing R1.
  • the first line print pattern became in the color-leading intaglio printing 1 printed on the substrate 30.
  • three lines 1a, 1b and 1c are shown in cross section, which are arranged substantially congruent to the raised areas 31 of the embossing master.
  • a second line print pattern 2 is arranged, which was applied by offset printing.
  • This is a line grid with the grid size R2, where in Fig. 5 the lines 2a, 2b, 2c and 2d of this grid are shown in cross section. In the case shown, the grid widths of the front and rear grids R1 and R2 match.
  • the line printing pattern 1 In plan view of the line printing pattern 1, a line structure can be seen, which stands out due to the use of a dark ink from the bright, pressure-free areas of the substrate 30.
  • the line pressure pattern 2 can also be perceived in a plan view as a sequence of lines 2 a to 2 d executed in dark hue and printing-pressure-free regions of the carrier material 30 that contrast therewith.
  • the line 2c is offset from the adjacent lines 2b and 2d.
  • the offset is identified by the reference R21.
  • the periodically recurring distance 40 of the lines of the line pressure pattern 2 is reduced by the offset to the distance 41 or increased by the distance 42, which is clearly visible in the area of the line 2c.
  • the front side 12 of the banknote 10 or of the security element 3 it is possible, when viewed in the light of the interaction of the line printing patterns 1 and Figure 2 is a sequence of dark print areas and bright, non-print areas of the substrate 30.
  • the area of the front and back line grid 1 and 2 in which lines are not offset from each other, thus results in a regular light / dark contrast in review.
  • the area S0 appears as a pressure-layer-free region of the front and rear sides of the security element 3 in a light color, which results from the color of the carrier material 30 in transmitted light.
  • the offset of the line 2c causes the observer of the line grid 1, viewed from the direction A1 between the lines 1b and 1c, to perceive a larger, pressure-layer-free area S1. Because of the larger pressure-free area S1, the area between the lines 1b and 1c in the transmitted light from the direction A1 appears brighter than the area between the lines 1a and 1b.
  • the above examples apply mutatis mutandis to a consideration of the lines 2a, 2b and 2b, 2c of the line pressure pattern 2 in the transmitted light from the direction A2.
  • the offset of the line 2c shows an example of how the staggered arrangement of a plurality of lines of the line pressure pattern 2 information in transmitted light is visible, which is encoded in a plan view of the security element 3 and is not substantially visible.
  • Fig. 5 It can also be seen that the introduction of the embossed structures into the carrier material 30 on the second side produces a negative embossing structure which cooperates with the second line pressure pattern 2 such that an optically variable structure results. While a sequence of lines and pressure-free areas results in the view from the direction A2 for the observer, the lines of the line screen 2 are partially obscured or shadowed when viewed from the direction B2, for which reason the hue changes compared to the viewing from direction A2, and brightens.
  • the pressure-layer-free regions 40, 41 is masked from the direction C2 by raised regions 33 of the carrier material 30, so that the visual impression from the viewing direction C2 differs from the visual impression that the viewer perceives from the directions A2 or B2 , and darkened.
  • This optically variable tilting effect is relatively pronounced on the back 13 of the banknote 10, while it is practically barely perceptible when viewing the line printing pattern 1 on the front side 12 of the banknote 10 due to the substantially congruent arrangement of the line grid 1 and the raised areas 31 of the embossed structure , Consequently, from the viewing directions A1, B1 and C1 for the print pattern 1, substantially the same visual impression is obtained for the viewer.
  • FIG. 3 shows a cross section through a security element 3 given as an example, in which a line pressure pattern 1 and 2 is arranged on first and second side of the carrier material 30. While the line printing pattern 2 substantially corresponds to the line printing pattern 2 of the example of FIG Fig. 5 corresponds, the line printing pattern 1 differs significantly from the in Fig. 5 illustrated linear pressure pattern 1. In contrast to the color-guiding intaglio printing of the example according to Fig. 5 , the print pattern 1 of the security element became the Fig. 6 printed in offset printing and combined in a separate process step with an embossing structure in intaglio printing.
  • the illustrated negative embossing pattern of the second side of the substrate 30 can be reinforced if the printing of the line pattern 2 is supplemented by a so-called blind embossing in intaglio printing.
  • the back or front line print patterns 2 and 1 can be superimposed or underlaid by an additional translucent, optically variable layer, resulting in further color shift effects on the respective page, depending on the respective viewing direction.
  • an additional translucent, optically variable layer is not shown in the figures for reasons of clarity.

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Claims (15)

  1. Elément de sécurité comportant un matériau support transparent, qui sur une face comprend un premier motif imprimé à points ou à lignes, pouvant être produit à partir de points ou de lignes, et, sur une deuxième face, un deuxième motif imprimé à points ou à lignes, pouvant être produit à partir de points ou de lignes, le deuxième motif imprimé à points ou à lignes pouvant être produit par l'image symétrique en miroir du premier motif imprimé à points ou à lignes, par la production d'un motif imprimé à points ou à lignes, pour l'essentiel symétrique en miroir du premier motif imprimé à points ou à lignes, et dont des zones partielles sont décalées par rapport au reste de l'image symétrique en miroir, et le premier motif à lignes coopérant avec le deuxième motif à lignes de telle sorte que les zones partielles présentent, par transparence, des informations pouvant être reconnues à l'oeil nu, qui identifient l'authenticité de l'élément de sécurité,
    caractérisé en ce que le premier motif à lignes est une première trame linéaire ayant un lignage de trame constant, que la première trame linéaire est combinée à une structure gaufrée qui peut être produite par un procédé d'impression en taille-douce,
    que la première trame linéaire est une couche imprimée pouvant être produite par impression en taille-douce, la couche d'impression étant pour l'essentiel disposée de façon à recouvrir complètement les zones en relief de la structure gaufrée,
    que la structure gaufrée est une trame linéaire ayant un lignage de trame constant,
    que la première trame linéaire et la trame linéaire de la structure gaufrée présentent le même lignage de trame, et
    que les zones partielles sont disposées en étant décalées d'une fraction du lignage de trame par rapport au reste de l'image symétrique.
  2. Elément de sécurité selon la revendication 1, caractérisé en ce que la structure gaufrée de la première face forme sur la deuxième face une structure gaufrée pour l'essentiel négative, qui coopère avec le deuxième motif à lignes pour former une structure optiquement variable de telle sorte qu'au moins des parties du deuxième motif à lignes soient complètement visibles en observation verticale, mais soient cachées en observation oblique.
  3. Elément de sécurité selon la revendication 1 ou 2, caractérisé en ce que les zones partielles sont disposées en étant décalées d'un tiers du lignage de trame par rapport au reste de l'image symétrique en miroir.
  4. Elément de sécurité selon l'une des revendications 1 à 3, caractérisé en ce que les zones partielles forment une matrice bidimensionnelle, qui dans une direction horizontale comprend m zones partielles et dans une direction verticale n zones partielles, avec m, n ≥ 1, de préférence m, n ≥ 2.
  5. Elément de sécurité selon la revendication 4, caractérisé en ce que les zones partielles sont disposées en étant décalées selon différentes fractions du lignage de trame par rapport au reste de l'image symétrique en miroir.
  6. Elément de sécurité selon au moins l'une des revendications 1 à 5, caractérisé en ce que le deuxième motif à lignes est une couche imprimée pouvant être produite par impression en taille-douce, offset, par sérigraphie, flexographie, xérographie, impression au jet d'encre, impression thermographique, ou par une imprimante laser.
  7. Elément de sécurité selon au moins l'une des revendications 1 à 6, caractérisé en ce que la première trame linéaire et/ou le deuxième motif à lignes forment une partie d'un motif d'image ou d'un motif géométrique disposé sur la première ou la deuxième face.
  8. Elément de sécurité selon au moins l'une des revendications 1 à 7, caractérisé en ce que la première trame linéaire et/ou le deuxième motif à lignes sont des couches au moins partiellement multicolores.
  9. Elément de sécurité selon au moins l'une des revendications 1 à 8, caractérisé en ce que la première trame linéaire et/ou le deuxième motif à lignes sont formés d'une encre d'imprimerie optiquement variable ou d'une couche à effet métallisé.
  10. Elément de sécurité selon au moins l'une des revendications 1 à 9, caractérisé en ce qu'au moins une face de l'élément de sécurité comprend une couche optiquement variable supplémentaire, translucide, ou un élément formant feuille.
  11. Elément de sécurité selon l'une des revendications 1 à 10, caractérisé en ce que l'information des zones partielles, pouvant être reconnue à l'oeil nu par transparence, est un caractère alphanumérique, un symbole et/ou un motif géométrique.
  12. Elément de sécurité selon au moins l'une des revendications 1 à 11, caractérisé en ce que le matériau support est un papier, en particulier un papier vélin de coton, ou une feuille plastique, en particulier une feuille de PET (poly(téréphtalate d'éthylène)), en PBT (poly(téréphtalate de butylène)), en PEN (poly(naphtalate d'éthylène)), en PP (polypropylène), en PA (polyamide) ou en PE (polyéthylène).
  13. Support de données comportant un élément de sécurité selon l'une des revendications 1 à 12, le support de données étant de préférence un papier de valeur, en particulier un billet de banque.
  14. Procédé de fabrication d'un élément de sécurité comportant un matériau support transparent, dans lequel un premier motif imprimé à points ou à lignes, pouvant être produit à partir de points ou de lignes, est imprimé sur une première face, et un deuxième motif imprimé à points ou à lignes, pouvant être produit à partir de points ou de lignes, est imprimé sur la deuxième face, le deuxième motif imprimé à points ou à lignes pouvant être produit par l'image symétrique en miroir du premier motif imprimé à points ou à lignes de façon à produire un motif imprimé à points ou à lignes, pour l'essentiel symétrique en miroir du premier motif imprimé à points ou à lignes, et dont des zones partielles sont décalées par rapport au reste de l'image symétrique en miroir, et le premier motif à lignes coopérant avec le deuxième motif à lignes de telle sorte que les zones partielles présentent en transparence une information pouvant être reconnue à l'oeil nu, identifiant l'authenticité de l'élément de sécurité,
    caractérisé en ce que le premier motif à lignes est une trame linéaire ayant un lignage de trame constant, qu'une structure gaufrée est produite par un procédé en taille-douce et est combinée à la première trame linéaire,
    la première trame linéaire et la structure gaufrée étant produites simultanément par le procédé en taille-douce, de telle sorte que la première trame linéaire soit disposée de façon à recouvrir pour ainsi dire la totalité des zones en relief de la structure gaufrée,
    que la structure gaufrée est produite sous forme d'une trame linéaire ayant un lignage de trame constant, la première trame linéaire et la trame linéaire de la structure gaufrée étant produites avec le même lignage de trame,
    et que les zones partielles sont produites en étant décalées d'une fraction du lignage de trame par rapport au reste de l'image symétrique.
  15. Procédé selon la revendication 14, caractérisé en ce que le deuxième motif à lignes est produit par impression à plat, par exemple par un procédé offset, par impression en relief, comme par exemple par impression par typographie ou flexographie, par impression sérigraphique, par héliogravure, comme par exemple par héliogravure tramée ou en taille-douce, par un procédé au jet d'encre ou thermographique, comme par exemple par un procédé par transfert thermique, ou par impression laser.
EP07723480.5A 2006-04-05 2007-03-22 Élément de sécurité avec des caractéristiques d'authenticité identifiables de manière visuelle et tactile Not-in-force EP2007586B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07723480T PL2007586T3 (pl) 2006-04-05 2007-03-22 Element zabezpieczający z wizualnie i dotykowo rozpoznawalnym oznaczeniem autentyczności

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006016342A DE102006016342A1 (de) 2006-04-05 2006-04-05 Sicherheitselement
PCT/EP2007/002523 WO2007115656A2 (fr) 2006-04-05 2007-03-22 Élément de sécurité

Publications (4)

Publication Number Publication Date
EP2007586A2 EP2007586A2 (fr) 2008-12-31
EP2007586B1 EP2007586B1 (fr) 2012-07-04
EP2007586B9 true EP2007586B9 (fr) 2013-01-09
EP2007586B2 EP2007586B2 (fr) 2016-10-19

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EP07723480.5A Not-in-force EP2007586B2 (fr) 2006-04-05 2007-03-22 Élément de sécurité avec des caractéristiques d'authenticité identifiables de manière visuelle et tactile

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Country Link
EP (1) EP2007586B2 (fr)
DE (1) DE102006016342A1 (fr)
MY (1) MY149813A (fr)
PL (1) PL2007586T3 (fr)
RU (1) RU2419551C2 (fr)
WO (1) WO2007115656A2 (fr)

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DE102008012421B3 (de) * 2008-02-29 2009-06-04 Bundesdruckerei Gmbh Wert- und/oder Sicherheitsdokument mit einem feinen Linienmuster sowie Verfahren zu dessen Herstellung
NL2001466C2 (nl) * 2008-04-10 2009-10-13 Konink Nl Munt N V Echtheidskenmerk en werkwijze voor het vervaardigen daarvan.
EP2189294A1 (fr) * 2008-11-21 2010-05-26 Gemalto SA Procédé pour élaborer une image guillochée, procédé pour vérifier l'authenticité et/ou imprimer ladite image sur un support et support associé
DE102009004128A1 (de) * 2009-01-05 2010-07-08 Giesecke & Devrient Gmbh Sicherheitselement mit optisch variabler Struktur
EP2233314A1 (fr) * 2009-03-26 2010-09-29 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Article d'authentification et système pour articles conditionnés et procédé pour la fabrication de l'article d'authentification
DE102009060506A1 (de) 2009-12-23 2011-06-30 Giesecke & Devrient GmbH, 81677 Sicherheitselement und Herstellverfahren dafür
DE102010007566A1 (de) 2010-02-10 2011-08-11 Tailorlux GmbH, 48565 Lumineszentes Sicherheitselement für den Produktschutz
GB2529319B (en) * 2010-04-22 2016-03-23 Nautilus Gb Ltd Embossed visual feature
DE102010019616A1 (de) 2010-05-06 2011-11-10 Giesecke & Devrient Gmbh Sicherheitselement für Sicherheitspapiere, Wertdokumente oder dergleichen
EP2554397B1 (fr) * 2011-08-05 2014-02-12 ALLTEC Angewandte Laserlicht Technologie Gesellschaft mit beschränkter Haftung Structure de gaufrage
RU2502842C1 (ru) * 2012-11-23 2013-12-27 Федеральное Государственное Унитарное Предприятие "Гознак" (Фгуп "Гознак") Способ изготовления бумаги с охраняющим элементом, охраняющий элемент и способ его изготовления
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RU2510689C1 (ru) * 2013-04-04 2014-04-10 Федеральное Государственное Унитарное Предприятие "Гознак" (Фгуп "Гознак") Многослойный полимерный материал с растровой структурой
RU2516474C1 (ru) * 2013-04-09 2014-05-20 Федеральное Государственное Унитарное Предприятие "Гознак" (Фгуп "Гознак") Слоистое изделие на бумажной или полимерной основе (варианты) и способ его изготовления
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Also Published As

Publication number Publication date
PL2007586T3 (pl) 2012-11-30
EP2007586B2 (fr) 2016-10-19
WO2007115656A2 (fr) 2007-10-18
EP2007586A2 (fr) 2008-12-31
RU2419551C2 (ru) 2011-05-27
WO2007115656A3 (fr) 2008-05-02
MY149813A (en) 2013-10-14
RU2008143306A (ru) 2010-05-10
EP2007586B1 (fr) 2012-07-04
DE102006016342A1 (de) 2007-10-11
WO2007115656A8 (fr) 2008-01-17

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