EP2379339B1 - Support de donnees avec une zone transparent - Google Patents

Support de donnees avec une zone transparent Download PDF

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Publication number
EP2379339B1
EP2379339B1 EP09799020.4A EP09799020A EP2379339B1 EP 2379339 B1 EP2379339 B1 EP 2379339B1 EP 09799020 A EP09799020 A EP 09799020A EP 2379339 B1 EP2379339 B1 EP 2379339B1
Authority
EP
European Patent Office
Prior art keywords
region
marking
motif
cutting lines
cutting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP09799020.4A
Other languages
German (de)
English (en)
Other versions
EP2379339A1 (fr
Inventor
André Gregarek
Ralf Liebler
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 Currency Technology GmbH
Original Assignee
Giesecke and Devrient Currency Technology 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.)
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Publication date
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Publication of EP2379339A1 publication Critical patent/EP2379339A1/fr
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Publication of EP2379339B1 publication Critical patent/EP2379339B1/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
    • B42D25/21—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose for multiple purposes
    • 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
    • B42D2035/16—
    • B42D2035/24—
    • 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
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/41—Marking using electromagnetic radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/43—Marking by removal of material

Definitions

  • the invention relates to a data carrier, in particular a document of value such as a bank note, identity card and the like, with a see-through area and a method for producing such a data carrier.
  • Data carriers such as security documents, documents of value or identity documents, but also other valuables are often equipped with security features for protection that allow the authenticity of the data carrier to be checked and at the same time serve as protection against unauthorized reproduction.
  • see-through security features such as see-through windows in banknotes, are becoming increasingly attractive.
  • a film provided with an adhesive layer on one side is applied to a bank note in order to close a previously created through opening of the bank note.
  • the present invention is based on the object of further improving data carriers of the type mentioned at the beginning with regard to their security against imitation and their visual appearance.
  • a generic data carrier in particular a document of value such as a bank note, identity card and the like, contains a carrier in which a see-through area is formed by a grid of a plurality of parallel cutting lines.
  • a motif area with a reflected light and / or transmitted-light changed visual impression arranged, which is in the form of a pattern, characters or coding.
  • the motif area is formed by a line grid of a plurality of parallel cutting lines, so that the cutting lines of the motif area form first cutting lines and the cutting lines of the see-through area lying outside the motif area form second cutting lines, the first and second cutting lines adjoining each other and having different cutting widths. Due to the different cutting widths of the first and second cutting lines and the resulting different surface coverage of the carrier, the motif area within the surrounding see-through area can be visually recognized in transmitted light and / or incident light.
  • the width of the first cutting lines can be either larger or smaller than the width of the second cutting lines.
  • the wider cutting lines are in particular at least 10%, at least 20%, at least 50% or even more than 100% wider than the narrower cutting lines.
  • the cutting width of the first and second cutting lines is in each case essentially constant in advantageous configurations. The phrase “essentially constant” takes into account the fact that the cutting width in laser cutting can vary slightly in practice, even with the same settings, and therefore cannot be completely constant.
  • the carrier is provided with a laser-modifiable marking substance in the see-through area and at least the cutting lines of the see-through area outside the motif area have an edge area modified by the action of laser radiation. If intersection lines are also present within the motif area, then these also advantageously have one as a result of the action edge area modified by laser radiation.
  • the motif area is uncut, in particular only provided with marking lines or marking contours, as explained further below.
  • the carrier can in particular be provided with a marking substance, the visible color of which can be changed by the action of the laser radiation.
  • the cut lines of the see-through area lying outside the motif area and possibly also the cut lines present within the motif area then have a colored edge area.
  • the carrier can be provided with a marking substance whose infrared-absorbing, magnetic, electrical or luminescent properties can be changed by the action of the laser radiation.
  • the cut lines of the see-through area lying outside the motif area and possibly also the cut lines present within the motif area then have an edge area with infrared-absorbing, magnetic, electrical or luminescent properties that are different from their surroundings. Such designs allow a simple additional machine authenticity check of the see-through area.
  • Laser-modifiable effect pigments can advantageously be used as the marking substance.
  • Such effect pigments are available to the person skilled in the art with different properties, in particular with regard to their body color, the color change under the action of a laser, the threshold energy and the required laser wavelength.
  • Effect pigments, too which when irradiated with a laser do not (only) change their visible color, but also their infrared-absorbing, magnetic, electrical or luminescent properties change are known to the person skilled in the art.
  • the modification of the effect pigments can take place with laser radiation in the ultraviolet, visible or infrared spectral range, for example with a CO 2 laser with a wavelength of 10.6 ⁇ m.
  • a pigment-free, laser-modifiable marking substance is used.
  • Pigment-free marking substances can also be applied to the carrier or introduced into the carrier volume, for example as an engraving or printing ink.
  • a coating of high transparency can be produced with pigment-free marking substances, into which a permanent and high-contrast marking can be made by laser action at high speed.
  • Pigment-free marking substances can be modified by laser radiation in the ultraviolet, visible or infrared spectral range, for example with the 10.6 ⁇ m radiation of a CO 2 laser.
  • Specific, non-limiting examples of pigment-free laser-modifiable marking substances are given in the publications WO 02/101462 A1 , U.S. 4,343,885 and EP 0290 750 B1 specified. Marking substances that can be modified with a CO2 cutting laser can in particular also be those in the publication EP 1648 969 B1 specified laser-markable compositions are used.
  • the motif area is formed by an uncut area of the carrier.
  • the motif area can then be easily recognized as an uncut part of the carrier against the background of the screened see-through area, especially in transmitted light.
  • the motif area is formed by an uncut area of the carrier with a marking line grid made up of a plurality of parallel marking lines which adjoin the cutting lines outside the motif area.
  • the motif area can be easily recognized as an uncut part of the carrier in transmitted light and clearly visible through the marking lines also in plan view.
  • the carrier is preferably provided with a marking substance, the visible color of which can be changed by the action of the laser radiation, so that the marking lines of the motif area are colored.
  • the carrier can also be provided with a marking substance whose infrared-absorbing, magnetic, electrical or luminescent properties can be changed by the action of the laser radiation, so that the marking lines of the motif area are infrared-absorbing, magnetic, electrical or infrared-absorbing, magnetic, electrical or changed in relation to their surroundings have luminescent properties.
  • the substances mentioned above can also be used here as marking substances.
  • the motif area is formed by an uncut area of the carrier with several nested marking contours of decreasing size.
  • the marking contours expediently simulate the shape of the motif area, with the increasing reduction in size no longer having to show all the details of the outer contour of the motif area. Even with such a design, the motif area with the marking motif shown is clearly recognizable in incident light.
  • the carrier can also be provided with a marking substance in this variant, its visible The color and / or its infrared-absorbing, magnetic, electrical or luminescent properties can be changed by the action of the laser radiation, so that the marking contours have correspondingly changed properties.
  • a continuous motif opening in the form of a pattern, characters or coding can be arranged within the motif area.
  • the shape of the motif opening is related to the shape of the motif area.
  • Such a context of meaning can in particular consist in the fact that the motif opening represents the same motif as the motif area, it being possible for the spatial position and / or the size of the two motifs shown to differ.
  • the context of meaning can also consist in the fact that the first and second depicted motif each only form parts of the motif that complement each other to form an overall motif, or in that the first and second depicted motif complement each other to form a coherent overall picture.
  • the see-through area itself can also be designed in all designs in the form of a pattern, characters or a code, wherein the shape of the see-through area can be related to the shape of the motif area and / or a possibly existing motif opening.
  • the shapes of the see-through area, motif area and motif opening can, however, also be selected independently of one another and each represent independent motifs.
  • the see-through area in addition to the line grid made up of parallel cutting lines, also has a marking line grid made up of a plurality of parallel marking lines.
  • the cutting lines and the marking lines can be parallel or any Include angles.
  • the motif area is advantageously formed by an uncut area of the carrier with two marking line grids each consisting of a plurality of parallel marking lines, the marking lines of one marking line grid connecting to the cutting lines outside the motif area and the marking lines of the other marking line grid connecting to the marking lines outside the motif area connect.
  • the outline of the motif area is provided with a marking contour, in particular a colored marking contour, in order to increase the visibility of the motif area in incident light.
  • the cutting lines are preferably designed with a width between 0.05 mm and 1 mm, in particular between 0.1 mm and 0.4 mm and with a distance (center-center) between 0.05 mm and 1 mm.
  • the width of the cutting line is preferably between 0.10 and 0.35 mm.
  • the transparent area of the data carrier is advantageously reinforced by a film element.
  • the film element can be shaped as a patch or as a strip. Alternatively, the film element can also cover the entire surface of the data carrier.
  • the film element can be laminated or coextruded onto the carrier, either only on one surface of the carrier or on both surfaces, ie front and / or rear.
  • the film element can in particular contain a line raster that generates a moire effect with the line raster of the see-through area, in particular by having the period of the line raster of the film element slightly different from the period of the line grid of the see-through area deviates and / or the two line grids are rotated against each other.
  • the film element is matted.
  • the matting means that the visual impression of the motif area arranged in the see-through area changes more strongly in incident light and / or transmitted light than without matting.
  • the subject area is very good in transmitted light, and almost invisible in incident light.
  • the matting of the film can be achieved by applying a matting coating.
  • the coating is preferably a pressure-receiving layer.
  • the print receiving layer usually comprises a binder and silica gel as main components. The proportion of silica gel depends on the desired thickness of the matting. The more silica gel there is, the more matt the layer becomes.
  • the film element itself can also be matt.
  • the film element itself can also be matt.
  • PET polyethylene terephthalate
  • PP polypropylene
  • the film element is provided with a metallic layer at least in the area of the motif area arranged in the see-through area.
  • the metallic layer is preferably vapor deposited.
  • the thickness of the metallic layer is such that it appears opaque to an observer in incident light and at least partially transparent in transmitted light. In incident light, the viewer cannot see the motif area covered by the metallic layer, but very well in transmitted light. In the case of a metallic aspect of aluminum, the thickness is preferably between 30 nm and 40 nm.
  • the data carrier can in particular be a security element, a security paper or a value document.
  • the invention also includes a method for producing a data carrier of the above-mentioned type.
  • a see-through area is formed in the carrier by laser cutting a line grid of a plurality of parallel cutting lines, wherein within the see-through area a motif area with a reflected light and / or Transmitted light changed visual impression is generated, which is formed in the form of a pattern, characters or coding.
  • the motif area of the data carrier is preferably formed by a line grid of first parallel cutting lines, which are generated by the same cutting laser beam as the second cutting lines of the see-through area lying outside the motif area.
  • the first and second cutting lines are generated by varying the laser parameters, in particular the laser power and / or the cutting speed, with different cutting widths.
  • the carrier is provided with a laser-modifiable marking substance in the see-through area before the laser cutting, so that the cutting lines lying outside the motif area are modified in their edge area by the action of the laser radiation. If there are cutting lines within the motif area, then these are also advantageously modified by the action of the laser radiation in their edge area.
  • the surface of the carrier is coated with the marking substance, for example by a printing process.
  • the marking substance is introduced into the volume of the carrier.
  • the carrier material If the carrier is made of paper, the marking substance can advantageously be added to the paper pulp during sheet formation. Another advantageous possibility is to introduce the marking substance into the volume of the paper substrate in an immersion bath or to impregnate the paper substrate with the marking substance in a size press. If the carrier is formed from a plastic film, the marking substance can also be introduced into the volume of the film during the production of the film or subsequently by means of an impregnation step.
  • the motif area is formed by an uncut area of the carrier.
  • the motif area can be formed by an uncut area of the carrier with a marking line grid with parallel marking lines that are generated by the same laser beam as the cut lines of the see-through area lying outside the motif area.
  • the cutting lines lying outside the motif area and the marking lines of the motif area are generated by varying the laser parameters, in particular the laser power and / or the cutting speed.
  • the motif area is formed by an uncut area of the carrier with several nested marking patterns of decreasing size.
  • the paper webs are in any case so stable that they hold up to a film application of the see-through area. After the film has been applied to the see-through area, the paper webs are stabilized by the film.
  • the see-through areas according to the invention are therefore particularly suitable for security elements or documents of value with foil elements or a foil composite document. In some cases, the paper webs are so stable that they can be used without a stabilizing film.
  • FIGS. 1 and 2 show a schematic representation of a bank note 10, the one in Fig. 2 has see-through area 12 according to the invention shown in more detail.
  • the see-through area 12 on the bank note 10 can be reinforced with a transparent film element (not shown).
  • the see-through area 12 is formed by a line grid of a plurality of parallel cutting lines 22 which have been cut into the bank note paper 20 by the action of laser radiation.
  • the line grid of the cutting lines 22 has a period length of 0.5 mm with a cutting width of the cutting lines 22 of 0.15 mm, so that the area coverage of the line grid is 30%.
  • the see-through area can therefore be seen both from above and through.
  • the see-through area 12 is in the form of a geometric pattern, for example that in FIG Fig. 2 formed oval.
  • the outline of the see-through area is indicated in the figure by the outline 24 drawn in dashed lines and is only used to graphically illustrate the shape formed.
  • a motif area 30 is arranged within the see-through area 12, which, compared to the surrounding see-through area 12, has a changed visual impression in incident light and / or transmitted light and is thus recognizable for the viewer.
  • the motif area 30 is generally designed in the form of a pattern, characters or coding and, in the exemplary embodiment, has the shape of a maple leaf.
  • the outline 34 of the motif area 30 drawn in dashed lines also serves merely to illustrate the shape of the motif area 30 in the drawing and corresponds not necessarily an actually existing contour on the bank note.
  • the motif area 30 itself is also formed by a line grid of a plurality of parallel cutting lines 32, which are perfectly aligned with the cutting lines 22 of the see-through area 12 lying outside the motif area 30.
  • the cutting lines 32 of the motif area 30 are, however, formed with a cutting width of 0.3 mm and thus much wider than the cutting lines 22 present outside the motif area.
  • the light conditions and the background can be clearly seen in incident light and / or transmitted light. It goes without saying that numerical values other than those mentioned by way of example can also be considered for the period lengths and cutting widths.
  • the cutting width of the cutting lines 22 outside the motif area 30 can be between 0.10 mm and 0.20 mm and the cutting width of the cutting lines 22 within the motif area 30 can be between 0.25 mm and 0.35 mm .
  • the cutting widths can be increased or decreased accordingly.
  • the perfect registration of the cutting lines 22, 32 of different widths is ensured by the cutting lines 22, 32 being laser-cut with the same cutting laser beam can be generated in the same operation.
  • the different cutting widths are generated by varying the laser parameters, in particular the laser power and / or the cutting speed, during the cutting process.
  • FIG. 3 (a) the essentially Gaussian spatial distribution of the power W of a cutting laser beam is shown.
  • the energy input of the laser radiation into the paper exceeds the threshold energy required to cut the paper 20 in a wide cutting area 42 exceeded in a narrower cutting area 46, so that a smaller cutting width results.
  • the cutting width of the laser beam along the laser beam guide can be varied as desired by the practically instantaneous variation of the laser power.
  • Fig. 2 adjoining cutting lines 22, 32 can be generated in this way in one operation as continuous and thus perfectly matched cutting lines.
  • the laser power and thus the cutting width are increased and at the transition from the motif area 30 (cut lines 32) to the see-through area 12 (cut lines 22), the laser power and thus the Cutting width decreased again.
  • Fig. 3 (b) illustrates the change in the cutting width due to a change in the cutting speed with constant maximum laser power (distribution 50).
  • the laser radiation only acts on the paper for a relatively short time, so that the energy input into the paper is low. Accordingly, the threshold energy required for cutting the paper is exceeded only in a narrow cutting area 52 with high laser power.
  • the laser radiation acts longer on the paper, so that a higher energy input into the paper results.
  • a wider cutting area 54 results, in which the threshold energy required for cutting the paper is exceeded.
  • Adjoining cutting lines 22, 32 can therefore also be generated in one operation as continuous and therefore perfectly matched cutting lines by reducing the cutting speed at the transition from the transparent area 12 (cutting lines 22) to the motif area 30 (cutting lines 32) and thus increasing the cutting width and that at the transition from the motif area 30 (cutting lines 32) to the see-through area 12 (cutting lines 22) the cutting speed is increased again and the cutting width is thus reduced.
  • Fig. 4 shows a further exemplary embodiment of a see-through area 60 designed according to the invention, in which the parallel cutting lines 22 lying outside the motif area 64, as in FIG Fig. 2 , created by laser cutting.
  • the laser power of the cutting laser is lowered below the cutting threshold of the paper 20, so that no cutting lines were generated there.
  • the motif area 64 thus remains as an uncut piece of paper and can be clearly seen against the background of the rasterized see-through area 60, especially in transmitted light.
  • Fig. 5 are the see-through area 70 and the motif area 80, as in FIG Fig. 2 , each formed by a line grid of a plurality of parallel cutting lines 72 and 82, the cutting lines 72, 82 connecting to one another and the cutting width of the cutting lines 72 outside the motif area 80 smaller than the cutting width of the cutting lines 82 within the motif area 80 by suitable variation of the laser parameters is chosen.
  • both the cutting lines 72 and the cutting lines 82 are each surrounded on both sides by a perfectly matched colored border 74 and 84, as in the detail section of FIG Fig. 6 shown in more detail, which shows the transition from a cutting line 72 to a cutting line 82 at the edge 86 of the motif area 80.
  • the banknote paper 20 was provided with laser-modifiable effect pigments prior to laser cutting of a certain area surrounding the transparent area 70 to be created, which when exposed to laser radiation produce a desired color change, for example from colorless to red , demonstrate.
  • FIG Fig. 7 The principle of the simultaneous and perfectly matched generation of the cutting lines 72, 82 and the colored edges 74, 84 is shown in FIG Fig. 7 illustrated where again the spatial power or energy distribution 55 of the cutting laser beam is shown schematically.
  • the laser energy exceeds the threshold energy E 1 required for cutting the paper 20.
  • E 2 is in Fig. 7 denotes the reaction energy of the effect pigments which, when exceeded, results in the desired color change.
  • the marking area 58 the laser energy lies between the reaction energy E 2 required for the color change and the energy Ei required for cutting, so that a color change of the effect pigments is induced in the marking area 58 , but the carrier is not cut.
  • the bank note paper 20 provided with the laser-modifiable effect pigments is therefore produced by the laser beam 55 in a central region 72 or 82, which corresponds to the cutting region 56 of FIG Fig. 7 corresponds, cut and additionally colored in an edge area 74, 84 in perfect register with the cutting line 72 and 82, respectively.
  • the width of the colored edge area 74, 84 corresponds to the width of the marking area 58 and depends on the beam profile, the reaction energy of the effect pigments used and the material properties of the paper. Outside the cut area 56 and the marking area 58, the laser energy lies below the reaction threshold of the effect pigments, so that the paper is not changed there.
  • the laser-modifiable effect pigments can be applied to the banknote paper 20, for example printed on, or can be introduced into the volume of the banknote paper 20. This can already be done during paper production by admixing the effect pigments to the paper pulp during sheet formation or subsequently in one go Immersion bath or by impregnation in the size press. Curtain coating and painting processes can also be considered.
  • a pigment-free, laser-modifiable marking substance can also be used.
  • Such pigment-free marking substances can also be printed onto the respective carrier, for example as an engraving or printing ink, or incorporated into the volume of the carrier.
  • Non-pigmented, laser-modifiable coatings can have a very high level of transparency when they are not written on. By exposure to laser radiation, for example a CO 2 laser at 10.6 ⁇ m, permanent and high-contrast edge markings can be produced at high speed.
  • the outer contour 88 of the motif area 80 can be marked with the aid of the laser radiation, as in FIG Fig. 8 shown.
  • the laser parameters are set in such a way that the laser energy over the entire beam diameter is below the cutting threshold of the paper, but in an inner area is still above the reaction threshold of the effect pigments. This can be done, for example, by choosing a laser energy E between E 1 and E 2 in Fig. 7 or can be achieved by adjusting the cutting speed.
  • the color effect of the outer contour 88 can also be designed in such a way that the effect pigments or the pigment-free marking substance is removed in the middle of the line and the underlying layer or the paper surface is revealed.
  • Fig. 9 shows a further embodiment of a see-through area 90 according to the invention, in which the parallel cutting lines 92 lying outside of the motif area 100, as in FIG Fig. 5 , by laser cutting a banknote paper 20 provided with a marking substance together with a registered colored border 94.
  • the laser parameters of the cutting laser were varied during the transition into the motif area 100 so that the energy input into the paper is below the cutting threshold of the paper 20, but still above the reaction threshold of the marking substance. In this way, the laser beam no longer generates cutting lines with a colored border within the motif area 100, but only colored marking lines 102 which adjoin the cutting lines 92 and are perfectly matched to them.
  • a further area 110 is provided within the motif area 100, in which the marking lines 102 merge again into cut lines 92, 94 with colored edges.
  • the shape of the further area 110 can be related to the shape of the motif area 100 and, for example, represent the same motif as in FIG Fig. 11 shown as an example.
  • Such a design can also be viewed as a see-through area with an annular motif area 112.
  • the further embodiment of the Fig. 12 shows a see-through area 120 according to the invention, in which the parallel cutting lines 122 lying outside of the motif area 130, as in FIG Fig. 5 , by laser cutting of a bank note paper 20 provided with a marking substance with a registered colored border 124.
  • the cutting lines 122, 124 were interrupted so that the motif area 130 forms an uncut paper area within the see-through area 120.
  • the motif area 130 was lasered with a laser energy between the reaction threshold of the marking substance and the cutting threshold of the paper 20 with concentric marking contours 132 provided, the shape of which is modeled on the contour of the motif area.
  • the concentric marking contours do not necessarily represent exact, reduced copies of the outer contour of the motif area 130, but can, as in FIG Fig. 12 shown, with decreasing size expediently contain fewer and fewer details of the outer contour.
  • a continuous motif opening in the form of a pattern, characters or coding can also be provided within the motif area.
  • Fig. 13 shows an example of a modification of the embodiment of FIG Fig. 2 , in which a continuous motif opening 140, here also in the form of a maple leaf, is arranged within the motif area 30.
  • the shape of the motif opening 140 can in particular, as in FIG Fig. 13 , are related to the shape of the motif area 30 and / or the shape of the see-through area 12.
  • FIG. 9 An embodiment according to a development of the invention, which the at Fig. 9 is related to the design described is in Fig. 14 in supervision and in Fig. 15 Shown in a detail area at the transition from the motif area and the see-through area.
  • the embodiment of the Figures 14 and 15 contains a see-through area 150, which outside of the motif area 160 has both a cutting line grid of parallel cutting lines 152 with a colored border 154 and a marking line grid of parallel marking lines 156 which are parallel to the cutting lines 152 of the cutting line grid.
  • both the marking lines 156 and the cutting lines 152 merge in perfect register into pure marking lines 162, as already in FIG Fig. 9 explained.
  • the two types of lines 152, 156 of the see-through area are arranged alternately, but other sequences, for example of two cutting lines 152 and one marking line 156, are also conceivable. Since the marking line grid does not contain any cutting lines, it can also be arranged at any desired angle to the cutting line grid.

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  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
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  • Credit Cards Or The Like (AREA)
  • Laser Beam Processing (AREA)

Claims (17)

  1. Support de données (10) en particulier document de valeur, comme un billet de banque, une carte d'identité et éléments analogues, avec un support dans lequel une zone transparente (12) est formée par une trame linéaire composée d'une pluralité de lignes d'intersection linéaires (22),
    sachant qu'à l'intérieur de la zone transparente est disposée une zone de motif (30) avec une impression visuelle modifiée en lumière réfléchie et/ou en lumière transmise, qui est constituée sous la forme d'un modèle, de signes ou d'une codification, sachant que la zone de motif est formée soit
    a) par une trame linéaire composée d'une pluralité de lignes d'intersection parallèles (32) de telle manière que les lignes d'intersection de la zone de motif forment les premières lignes d'intersection et les lignes d'intersection (22) de la zone transparente situées à l'extérieur de la zone de motif forment les deuxièmes lignes d'intersection , sachant que les premières et deuxièmes lignes d'intersection se raccordent les unes aux autres et comportent une largeur d'intersection différente, soit
    b) par une zone non découpée du support (10).
  2. Support de données selon la revendication 1, caractérisé en ce que le support est doté dans la zone transparente d'une substance de repérage modifiable au laser et en ce que les lignes d'intersection de la zone transparente situées en dehors de la zone de motif comportent une zone de bordure (74) modifiée par effet de rayonnement laser, de préférence en ce que le support est doté d'une substance de repérage, dont la couleur visible peut être modifiée par l'effet du rayonnement laser et en ce que les lignes d'intersection de la zone transparente situées en dehors de la zone de motif comportent une zone de bordure colorée.
  3. Support de données selon la revendication 2, caractérisé en ce que la zone de motif est formée par une trame linéaire composée d'une pluralité de lignes d'intersection parallèles de telle manière que les lignes d'intersection de la zone de motif forment des premières lignes d'intersection et les lignes d'intersection de la zone transparente situées à l'extérieur de la zone de motif forment des deuxièmes lignes d'intersection, sachant que les premières et deuxièmes lignes d'intersection se raccordent les unes aux autres et les premières lignes d'intersection et de préférence également les deuxièmes lignes d'intersection comportent une zone de bordure modifiée par effet de rayonnement laser.
  4. Support de données selon la revendication 1, caractérisé en ce que dans le cas b), la zone de motif est formée par une zone non découpée du support avec une trame linéaire de repérage composée d'une pluralité de lignes de repérage parallèles, qui se raccordent aux lignes d'intersection en dehors de la zone de motif.
  5. Support de données selon la revendication 4, caractérisé en ce que le support est doté d'une substance de repérage, dont la couleur visible peut être modifiée par l'effet du rayonnement laser et en ce que les lignes de repérage (156) de la zone de motif sont colorées.
  6. Support de données selon la revendication 4 ou 5, caractérisé en ce que le support est doté d'une substance de repérage, dont les propriétés absorbant les infrarouges, magnétiques, électriques ou luminescentes peuvent être modifiées par l'effet du rayonnement laser et en ce que les lignes de repérage de la zone de motif comportent vis-à-vis de leur champ environnant des propriétés absorbant les infrarouges, magnétiques, électriques ou luminescentes modifiées.
  7. Support de données selon la revendication 2, caractérisé en ce que dans le cas b), la zone de motif est formée par une zone non découpée du support avec plusieurs profils de repérage emboîtés l'un dans l'autre de taille décroissante, de préférence, en ce que le support est doté d'une substance de repérage dont la couleur visible peut être modifiée par l'effet du rayonnement laser et en ce que les profils de repérage de la zone de motif sont colorés.
  8. Support de données selon au moins l'une quelconque des revendications 1 à 7, caractérisé en ce qu'à l'intérieur de la zone de motif, est disposée une ouverture de motif (140) sous la forme d'un modèle, de signes ou d'une codification.
  9. Support de données selon au moins l'une quelconque des revendications 1 à 8, caractérisé en ce que la zone transparente comporte en plus de la trame linéaire composée de lignes d'intersection parallèles, une trame linéaire de repérage composée d'une pluralité de lignes de repérage parallèles, de préférence, en ce que la zone de motif est formée par une zone non découpée du support avec deux trames linéaires de repérage composées respectivement d'une pluralité de lignes de repérage parallèles dont les lignes de repérage d'une trame linéaire de repérage se raccordent aux lignes d'intersection en dehors de la zone de motif et les lignes de repérage de l'autre trame linéaire de repérage se raccordent aux lignes de repérage en dehors de la zone de motif.
  10. Support de données selon au moins l'une quelconque des revendications 1 à 9, caractérisé en ce que le contour de la zone de motif est doté d'un profil de repérage, en particulier d'un profil de repérage coloré.
  11. Support de données selon au moins l'une quelconque des revendications 1 à 10, caractérisé en ce que les lignes d'intersection comportent une largeur se situant entre 0,05 mm et 1 mm, en particulier entre 0,1 mm et 0,4 mm et une distance centre à centre se situant entre 0,05 mm et 1 mm, en particulier entre 0,3 mm et 0,7 mm.
  12. Support de données selon au moins l'une quelconque des revendications 1 à 11, caractérisé en ce que la zone transparente est renforcée par un élément en feuille, de préférence, en ce que l'élément en feuille contient une trame linéaire, qui produit un effet moiré avec la trame linéaire de la zone transparente.
  13. Support de données selon au moins l'une quelconque des revendications 1 à 12, caractérisé en ce que le support de données est un élément de sécurité, un papier de sécurité ou un document de valeur.
  14. Procédé de fabrication d'un support de données (10) selon l'une quelconque des revendications 1 à 13, qui comporte un support dans lequel une zone transparente (12) doit être introduite, pour lequel une zone transparente est formée dans le support, dans laquelle une trame linéaire composée d'une pluralité de lignes d'intersection parallèles (22) est produite par découpe au laser, sachant qu'à l'intérieur de la zone transparente, une zone de motif (30) est produite avec une impression visuelle modifiée en lumière réfléchie et/ou en lumière transmise, qui est constituée sous la forme d'un modèle, de signes ou d'une codification, sachant que la zone de motif est formée soit
    a) par une trame linéaire des premières lignes d'intersection parallèles (32), qui sont produites par le même rayonnement laser de découpe que les deuxièmes lignes d'intersection de la zone transparente situées en dehors de la zone de motif, sachant que les premières et deuxièmes lignes d'intersection sont produites par une variation des paramètres laser, en particulier de la puissance du laser et/ou de la vitesse de coupe, avec une largeur de coupe différente, soit
    b) par une zone non découpée du support (10).
  15. Procédé selon la revendication 14, caractérisé en ce que le support est doté dans la zone transparente d'une substance de repérage modifiable au laser de telle manière que les lignes d'intersection situées en dehors de la zone de motif sont modifiées par l'effet du rayonnement laser dans leur zone de bordure.
  16. Procédé selon la revendication 14 et 15, caractérisé en ce que les lignes d'intersection situées à l'intérieur de la zone de motif sont également modifiées par l'effet du rayonnement laser dans leur zone de bordure.
  17. Procédé selon la revendication 14 ou 15, caractérisé en ce que dans le cas b), la zone de motif est formée par une zone non découpée du support avec une trame linéaire de repérage avec des lignes de repérage parallèles, qui sont produites par le même rayonnement laser que les lignes d'intersection de la zone transparente situées en dehors de la zone de motif et en ce que les lignes d'intersection situées en dehors de la zone de motif et les lignes de repérage de la zone de motif sont produites par une variation des paramètres laser, en particulier de la puissance de laser et/ou de la vitesse de coupe ou en ce que la zone de motif est formée par une zone non découpée du support avec plusieurs profils de repérage situés l'un dans l'autre de taille décroissante.
EP09799020.4A 2008-12-22 2009-12-09 Support de donnees avec une zone transparent Active EP2379339B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102008064395 2008-12-22
DE102009011424A DE102009011424A1 (de) 2008-12-22 2009-03-03 Datenträger mit Durchsichtsbereich
PCT/EP2009/008776 WO2010072329A1 (fr) 2008-12-22 2009-12-09 Support de données à zone transparente

Publications (2)

Publication Number Publication Date
EP2379339A1 EP2379339A1 (fr) 2011-10-26
EP2379339B1 true EP2379339B1 (fr) 2021-09-08

Family

ID=42220970

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09799020.4A Active EP2379339B1 (fr) 2008-12-22 2009-12-09 Support de donnees avec une zone transparent

Country Status (8)

Country Link
EP (1) EP2379339B1 (fr)
BR (1) BRPI0918341B1 (fr)
CA (1) CA2748091A1 (fr)
DE (1) DE102009011424A1 (fr)
ES (1) ES2897514T3 (fr)
RU (1) RU2508203C2 (fr)
WO (1) WO2010072329A1 (fr)
ZA (1) ZA201105340B (fr)

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DE102010047950A1 (de) 2010-10-08 2012-04-12 Giesecke & Devrient Gmbh Sicherheitspapier mit Wasserzeichen
DE102010047949A1 (de) 2010-10-08 2012-04-12 Giesecke & Devrient Gmbh Datenträger mit Schnittlinien
DE102010053052A1 (de) 2010-12-01 2012-06-06 Giesecke & Devrient Gmbh Datenträger mit Kennzeichnung
DE102013019943A1 (de) 2013-11-27 2015-05-28 Giesecke & Devrient Gmbh Sicherheitselement mit magnetisch ausrichtbaren Magnetpigmenten und Verfahren zu dessen Herstellung
DE102014016249A1 (de) 2014-11-04 2016-05-04 Giesecke & Devrient Gmbh Datenträger mit Durchsichtssicherheitselement
DE102015003785A1 (de) 2015-03-23 2016-09-29 Giesecke & Devrient Gmbh Verfahren zum Herstellen eines Fensters in einem Papiersubstrat mit einem Sicherheitselement
GB2537830B (en) 2015-04-24 2017-05-31 De La Rue Int Ltd Improvements in security substrates
DE102015009164A1 (de) † 2015-07-14 2017-01-19 Giesecke & Devrient Gmbh Datenträger mit Durchbrechungsbereich
DE102016002120A1 (de) 2016-02-24 2017-08-24 Giesecke & Devrient Gmbh Sicherheitsmerkmal und Verfahren zu dessen Herstellung
DE102016004424A1 (de) 2016-04-12 2017-10-12 Giesecke+Devrient Currency Technology Gmbh Laserung einer Beschichtung mit Effektpigmenten
DE102016006929A1 (de) 2016-06-06 2017-12-07 Giesecke+Devrient Currency Technology Gmbh Sicherheitsmerkmal und Verfahren zu dessen Herstellung
DE102016009437A1 (de) 2016-08-03 2018-02-08 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement und Verfahren zur Herstellung eines Sicherheitselements
DE102016009512A1 (de) * 2016-08-04 2018-02-08 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement, Verfahren zum Herstellen eines Sicherheitselements sowie Wertdokument mit einem solchen Sicherheitselement
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DE102018005990A1 (de) 2018-07-27 2020-01-30 Giesecke+Devrient Currency Technology Gmbh Verfahren zur Herstellung eines Sicherheitsmerkmals mittels Laserstrahlung
DE102019006255A1 (de) * 2019-09-04 2021-03-04 Giesecke+Devrient Currency Technology Gmbh Gegen Spaltung geschütztes Sicherheitspapier und Wertdokument

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Also Published As

Publication number Publication date
CA2748091A1 (fr) 2010-07-01
WO2010072329A1 (fr) 2010-07-01
RU2508203C2 (ru) 2014-02-27
BRPI0918341A2 (pt) 2016-09-06
BRPI0918341B1 (pt) 2021-03-09
ES2897514T3 (es) 2022-03-01
RU2011129698A (ru) 2013-01-27
DE102009011424A1 (de) 2010-07-01
EP2379339A1 (fr) 2011-10-26
ZA201105340B (en) 2012-03-28

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