EP1317346B1 - Support de donnees, son procede de fabrication et plaque d'impression helio - Google Patents

Support de donnees, son procede de fabrication et plaque d'impression helio Download PDF

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Publication number
EP1317346B1
EP1317346B1 EP01969698A EP01969698A EP1317346B1 EP 1317346 B1 EP1317346 B1 EP 1317346B1 EP 01969698 A EP01969698 A EP 01969698A EP 01969698 A EP01969698 A EP 01969698A EP 1317346 B1 EP1317346 B1 EP 1317346B1
Authority
EP
European Patent Office
Prior art keywords
data carrier
area
embossing
colored
blind embossing
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.)
Revoked
Application number
EP01969698A
Other languages
German (de)
English (en)
Other versions
EP1317346A1 (fr
Inventor
Roger Adamczyk
Reinhard Plaschka
Karlheinz Mayer
Peter Franz
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
Publication of EP1317346A1 publication Critical patent/EP1317346A1/fr
Application granted granted Critical
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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
    • B42D15/00—Printed matter of special format or style not otherwise provided for
    • 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
    • B42D25/337—Guilloche patterns
    • 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
    • B41M1/24—Inking and printing with a printer's forme combined with embossing
    • 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
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/04—Printing plates or foils; Materials therefor metallic
    • B41N1/06—Printing plates or foils; Materials therefor metallic for relief printing or intaglio 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
    • 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
    • B42D25/324—Reliefs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/373—Metallic materials
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S283/00—Printed matter
    • Y10S283/901—Concealed data

Definitions

  • the invention relates to a data carrier with a blind embossed in intaglio printing Security element and a method for manufacturing the data carrier and a pressure plate for blind embossing of a security element.
  • Data carriers in the sense of the invention are security or value documents, such as banknotes, ID cards, passports, check forms, shares, certificates, Postage stamps, flight tickets and the like as well as labels, seals, packaging or other items for product assurance.
  • security or value documents such as banknotes, ID cards, passports, check forms, shares, certificates, Postage stamps, flight tickets and the like as well as labels, seals, packaging or other items for product assurance.
  • the simplifying term "Data carrier” and "Security or security document” closes therefore always include documents of the type mentioned below.
  • gravure printing In gravure printing, a distinction is made between screen printing and the Differentiation between engraved and line gravure. With the gravure printing process the production of the printing plates, for example using an electron beam, Laser beam or prick. Characteristic of gravure printing is that different gray or color values of the printed image due to regular wells of different density and size arranged in the pressure plate and / or depth are generated.
  • intaglio printing is linear in the printing plates
  • Wells are introduced to create a printed image.
  • the mechanically manufactured printing plate for intaglio printing is due of the usually tapered engraving tools with increasing Stitch depth creates a wider line.
  • the ink absorption capacity decreases the engraved line and thus the opacity of the printed line with increasing stitch depth.
  • etching intaglio plates the non-printing areas of the printing plate with a chemically inert Lacquer covered. Subsequent etching will result in the exposed Plate surface creates the depressions intended for the color recording, where the depth of these lines depends in particular on the etching time and line width depend.
  • the substrate material experiences during intaglio printing additionally an embossing that is also on the back of the substrate looming.
  • the intaglio printing plate is used without the use of color the substrate used is so-called blind embossing subjected to, giving the disk a typical surface relief becomes.
  • Intaglio printing technology especially steel intaglio printing technology, delivers such a characteristic, easily recognizable print or embossed image, that cannot be reproduced with other common printing processes can.
  • With sufficient depth of the engravings in the printing plate namely receives a data medium printed in intaglio printing by embossing and color application a printed image that forms a relief perceptible with the sense of touch.
  • the intaglio printing technique is therefore preferred for printing of data carriers, in particular security and value documents, such as, for example Banknotes, shares, bonds, certificates, vouchers and the like, that meet the high requirements regarding security against counterfeiting need to be used.
  • a method is known from WO 97/48555 with which intaglio printing plates can be produced in a reproducible, mechanical way.
  • To the lines of a line template are recorded and the area of each Line is determined exactly.
  • an engraving tool for example one rotating stylus or a laser beam, first the outer contour this area is engraved to cleanly frame the area. Subsequently the bordered area of the surface is created using the same or a other engraving tool cleared so that the entire area of the line is engraved exactly according to the line template.
  • the engraving tool creates a basic roughness pattern on the bottom of the cleared area, that serves as a color catcher for the printing ink.
  • blind embossing Even blind embossing in one Metal layers are already known from the prior art. Indeed the known blind embossings are very simple embodiments, which is only a predetermined embossing height or depth exhibit. That is, the embossing is done with a printing plate, which is only has a one-step engraving with a certain constant depth. Embossing areas with different engraving depths, e.g. Lines different Depths are always separated by non-engraved areas. Such embossments are visually only under very specific oblique angles Viewing angles recognizable, so this security feature from the viewer is often not noticed and attempts at counterfeiting are made easier remain undetected. Such imprints are also in for the viewer usually not very impressive.
  • the object of the present invention is to protect against forgery of media by adding a more difficult to imitate more complicated security feature applied to the disk that is clearly visible and visually striking.
  • the data carrier according to the invention is characterized by a security element from which can be checked at least visually and in at least one partial area has an embossing that in non-ink-bearing intaglio printing executed halftone blind embossing.
  • Halftone blind embossing is blind embossing with several different embossing heights or embossing depths, preferably merge seamlessly.
  • the halftone blind embossing a spatial image of a three-dimensional template, e.g. one Plastic or a relief.
  • a two-dimensional Go out template it is also possible from a two-dimensional Go out template and this according to appropriate specifications, e.g. depending on those in the two-dimensional image template Colors, halftones, line widths, etc., in a three-dimensional template implement.
  • the next step is based on the one to be reproduced as an embossing three-dimensional template specially designed for printing plate milling adapted halftone image, in which the gray values determined Engraving depths can be assigned.
  • the areas that are spatially most embossed the darkest grayscale and thus the largest Assigned engraving depth, and the areas that are further back in space should be assigned a lighter gray level and thus a smaller engraving depth.
  • the halftone image When the halftone image is converted into an engraving, it becomes a three-dimensional one Relief created in the engraving plate.
  • the engraving tool can be guided so that there is a continuous engraving depth profile results.
  • by emphasizing the edges of the motif contours a sharp and concise presentation can be achieved in paper.
  • the template consists of alphanumeric Characters and / or simple graphic elements as text or the like are arranged.
  • the characters and / or elements have different names Relief heights, which creates a "modulated" surface structure results. The effect is increased when the characters and / or elements also vary in size.
  • a template such as A portrait
  • Halftones or grayscale can be implemented.
  • the individual grayscale or Groups of grayscale of this implementation then become different Assigned engraving depths. For example, maximum engraving depth for black and minimal engraving depth for white. That is, e.g. B. for the nose of a portrait, which usually has a bright highlight in the template that this must be displayed in black at its highest point in the halftone image, whereby the engraving becomes deeper at this point and the embossing created with it protrudes from the surface of the paper. All are accordingly To convert parts of the picture into corresponding gray values. This in The halftone image converted to the engraving depth is then used to control the Engraving tool used.
  • the differently milled areas border directly on each other. That means they are not through at the printing plate level lying areas separated.
  • the engraving depths can be up to to reach 300 ⁇ m and more, preferably they reach up to 250 ⁇ m.
  • engravings can generally also be done using laser engraving be generated.
  • the disk is finally embossed, a three-dimensional relief is in turn generated in the data carrier.
  • this is a printing process, but it does no color is transferred.
  • the Intaglio printing process usual, pressed into the recesses of the engraving plate and permanently deformed by the strong contact pressure, i.e. embossed.
  • the printing plate areas with the greatest engraving depth produce the strongest imprints, i.e. the areas where paper is most deformed and produce the printing plate areas with the smallest engraving depths the weakest imprint.
  • the paper with the not engraved Areas of the printing or embossing plate comes into contact with the high contact pressure compressed evenly and at least on the Surface densifies, creating these surface areas after intaglio printing have an increased gloss.
  • the gloss or the visual impression of the embossed parts of the image can also be targeted to be influenced.
  • An alternative or additional way to diffuse the light of an embossed Varying the substrate consists in engraving the wells in the printing or embossing plate the clearing direction in individual areas to change. Engravings that are linear, but for example around The clearing paths rotated 90 ° are visually distinguishable Embossing with different light reflection. same for also for engravings with straight or meandering clearing tracks in Compared to spiral or concentric clearing tracks. These effects can not only for a more appealing or striking design of the Blind embossing are used, but also increase theirs at the same time Forgery. With the help of this specifically used engraving technique can be superimposed on the embossed relief structures that are only under certain viewing or reflection angles are clearly recognizable. In the case of banknotes or other documents of value, the halftone blind embossing, which portrays a portrait, for example through the engraved substructures a value number can be superimposed.
  • the embossed image is three-dimensional and has a relatively complex structure.
  • the area occupied by the halftone blind embossing is not subject to any restrictions.
  • the halftone blind embossing preferably takes up an area of 0.25 cm 2 to several cm 2 .
  • the halftone blind embossing can represent any geometric element, e.g. with circular, triangular or square or asymmetrical Outline structure, a picture symbol, characters or other symbol. Especially however, the portrayal of a portrait is preferred, since the human Perception is trained on subtle differences in portraits and so that the recognition value of this security element is particularly large. It can also have multiple halftone blind embossings in any number and Form can be combined.
  • the halftone blind embossing can combine with a background print who are not using intaglio printing.
  • This underground pressure is printed in a separate process before generating the Halftone blind embossing applied.
  • the background is preferably printed the entire surface. For example, you can use it for printing on the background Screen printing, offset printing, indirect high pressure, high pressure or digital printing on.
  • any printing inks can be used for background printing are, however, preferably effect colors are used, which due to an additional anti-counterfeiting effect due to their physical properties own and are difficult to imitate.
  • effect colors are used, which due to an additional anti-counterfeiting effect due to their physical properties own and are difficult to imitate.
  • metallic effect colors colors containing metal pigments or interference layer pigments Colors such as the company's IRIODINE® Merck.
  • the background print can also consist of a metal layer, which are applied, for example, to the data carrier by hot stamping becomes.
  • the halftone blind embossing is preferably completely in the area of the background print.
  • the Background printing from an oval or circular metallic Imprint.
  • This background print is then made in intaglio printing provided with a halftone blind embossing.
  • the Halftone blind embossing arranged in the middle of the background print, to create the impression of a coin representation.
  • the colored areas are arranged to overlap with the background print and designed in terms of shape and color so that the edge of the Background print is "optically resolved", i.e. smooth edge contours are avoided and any tolerances are effectively concealed or obscured.
  • Line patterns such as are particularly suitable for the colored areas for example guilloche patterns, but also full-surface prints, in particular full-surface prints that have a suitable ink layer thickness, to cover the background print, or the same color like the background print.
  • the colored area forms a Outline of the halftone blind embossing.
  • the outline can be any outline contours exhibit. However, it is preferably oval or circular in a fixed distance around the blind embossing, so that the blind embossing is centered on the colored area.
  • the border can be continuous or interrupted. It can also be flat or in shape be carried out by samples.
  • the border is preferably in shape of guilloches or rings with optically resolved inner edges, such as pointed to the center point.
  • the Border composed of characters or geometric Have patterns such as guilloches, for example with characters be combined.
  • the edge of the background print can also be made in this way be designed.
  • edges are resolved by means of a periodic one Structure, such as Jagged, guilloche, arches etc., both in the colored area as well as in the edge of the background print can be realized by Establishing a phase or frequency difference between the periodic Structure of the background print and the colored area an optimization the "optical resolution" or obfuscation can be achieved.
  • a periodic one Structure such as Jagged, guilloche, arches etc.
  • the registration between halftone blind embossing is particularly easy and color printing when both are intaglio be generated.
  • an intaglio printing plate in one Operation with engraving for halftone blind embossing as well also provided with the engraving for the colored areas.
  • Particularly advantageous are the high ink layer thicknesses of intaglio printing, that effectively cover any existing surface print can.
  • This intaglio printing plate like all the other plates according to the invention Intaglio printing plates, preferably by engraving with a rapidly rotating, pointed taper made.
  • the outline shape of the area to be printed or blind-stamped are marked by the Engraving tool recesses with targeted variation of the engraving depth in the Introduced surface of the pressure plate.
  • Limit the engravings for halftone blind embossing and colored areas at certain points together, it makes sense to provide separating edges like these in these border areas is known from DE 198 45 436 A1 to prevent printing ink in reaches the area of the halftone blind embossing or further into the blind embossing can flow in.
  • the substrate Before printing, only the areas that create the colored areas are shown Parts of the engraving filled with paint.
  • the substrate When printing, the substrate is both in the ink-guiding as well as in the non-ink-guiding engraving areas of the Pressure plate pressed.
  • the color-bearing parts become the engraving Transfer color to the substrate.
  • the substrate as with Intaglio printing usual, embossed.
  • the substrate In the non-color areas of the Intaglio printing plate, on the other hand, the substrate is only embossed. Of the untreated, i.e. non-engraved surface areas of the printing plate no color is transferred.
  • One prints or embosses a data carrier with the method just described results depending on the shape of the engraving described above the printing plate an appropriately designed embossing of the data carrier, wherein part of these embossed areas is colored.
  • the dimensions the color layer areas such as width and color layer thickness, result from the engraving depths and widths of the printing plate according to the invention and depending on the ink used in printing.
  • the usual intaglio printing inks can opaque or to some extent glazed and translucent printed become.
  • suitable layer thicknesses and a sensible choice of the color of the There are color shades of different brightness and color saturation. If the ink layer thickness is sufficiently different, this results Contrasts that are clearly visible to the human eye without any additional aids. Normal lighting conditions and a normal viewing distance are required.
  • the embossing on the front of the security element with a coating, such as. to fill up with a varnish.
  • This varnish can contain feature substances, such as luminescent substances etc. or other effect pigments, such as liquid crystal pigments contain.
  • the lacquer can also be matt or glossy his.
  • the protective lacquer layer also serves as reinforcement the gloss effect and the protection of the embossing.
  • the data carrier provided with this complex security element draws due to the high-contrast light and shadow effects created by the multi-level halftone blind embossing are produced by an increased Counterfeit security.
  • the combination with register-containing for halftone blind embossing and arranged overlapping to the background print, colored, possibly tactile intaglio prints increase protection before counterfeiting and imitation.
  • Another way to increase counterfeit protection is to the motif of halftone blind embossing several times, but each time in another Provide techniques on the disk.
  • the same motif for a watermark and / or a classic colored one Intaglio printing can be used.
  • a repetition of the same motif is also in background printing, in an embossed hologram, using fluorescent or optically variable colors (for example with interference layer or liquid crystal pigments) or by a so-called latent image and possible in any combination of the alternatives mentioned.
  • the security element according to the invention can either on the single data carrier or having multiple data carriers Substrates are applied.
  • substrates or data carrier materials all are suitable for intaglio printing candidate substrate materials, such as paper, plastic films, paper laminated or coated with plastic films and multilayered Composite materials.
  • the invention is particularly suitable Process for printing on data carriers that have high requirements with regard to counterfeit security, such as security and Documents of value, such as banknotes, shares, bonds, certificates, Vouchers and the like.
  • the security element according to the invention 2 consists of a background print 4, a halftone blind embossing 3 and colored areas 5, which contain register for halftone blind embossing 3 are arranged.
  • the motif of halftone blind embossing 3 is repeated several times Techniques repeated on the banknote.
  • the motif is, for example, a steel engraving portrait 13 and a watermark 14 again provided in banknote 1.
  • the security element 2 has the in the example shown Form of a coin in which the halftone blind embossing 3 is preferred in one metallic background print 4 is present.
  • This underground print 4 is overlapped by a colored print 5, which is multicolored can be and / or can have patterns, characters or the like.
  • the colored areas 5 as a full-surface border the halftone blind embossing 3 shown in certain areas with the Characters "X Y Z" and “medal" are combined. These colored areas 5 can, depending on the engraving depth of the printing plate, be designed such that they produce a tactile margin in the printed image.
  • the colored areas can also have any other shape.
  • they can consist of guilloche patterns.
  • the colored areas 5 can also be colored on the background print 4 be coordinated so that the edge of the background print 4 for the viewer "dissolves", that is, is hidden.
  • the full surface print is preferably screen printed created using a gold or silver colored metal pigment paint.
  • the area of the background print 4 in one Step in intaglio printing the halftone blind embossing 3 as well the colored areas 5 generated. That is, the associated intaglio printing plate has both an engraving corresponding to the colored areas 5 and one Engraving corresponding to the halftone blind embossing 3.
  • the colored areas 5 generate, filled with color. This will during the printing process the data carrier 1 in the area of the colored areas 5, as in intaglio printing usual, embossed and provided with color.
  • FIG. 2 a section along AA is through the security element 2 according to the invention is shown.
  • the data carrier 1 or the background print 4 in the area of the halftone blind embossing 3 is only embossed during the intaglio printing process.
  • the background print 4 in a separate operation on the disk 1 can be applied between the background print 4 and the halftone blind embossing or the colored areas 5 registration inaccuracies occur.
  • the colored areas 5 preferably arranged to overlap with the background print 4 to obscure such inaccuracies in registration, as shown in FIG. 2.
  • the background print 4 is in the left Area covered by the colored areas 5 much less than On the right side.
  • the colored areas 5 are in register Halftone blind embossing 3 are arranged, appears to the viewer Halftone blind embossing centered in the area of the background print 4 to be.
  • the optical effect of the three-dimensional relief becomes the halftone blind embossing due to the different light / shadow effects, especially when using shiny metallic background prints strengthened.
  • FIG. 3 to 6 show different embodiments of the security element 2 under supervision.
  • the background print 4 has a radially resolved edge.
  • the colored areas 5 form one here full circular outline, which is as concentric as possible with the background print 4 is printed, and the inner edge in the form of for Rays pointing towards the center of the circle is resolved.
  • Fig. 4 differs from the embodiment shown in Fig. 3 only insofar as the border 5 does not cover the entire circumference of the covers the radial edge of the background print 4, but only is present in some areas.
  • the security element 5 shows in principle another embodiment of the security element 2, in which at least parts of the halftone blind embossing brought up to the colored areas 5 in register and in the form of Recesses in the colored areas 5 are continued.
  • the schematic In this example, the indicated halftone blind embossing is made up of the differently hatched or shaded areas 6, 7, 8 together.
  • the elements 7 of the halftone blind embossing form a crosshair and are sufficient up to the colored border 5.
  • the embossed crosshair from the Embossed elements 7 are in shape in the colored outline 5 of recesses 9 continued. This exact register between the embossed Elements 7 and the recesses 9 is only due to the simultaneous Creation of the embossing and the colored border 5 in one operation possible with an intaglio printing plate.
  • FIG. 6 shows a further embodiment of the principle shown in FIG. 5.
  • the halftone blind embossing 3 represents a bird with a in this example
  • Branch represents one end of the branch here by an embossing element 7 formed that reaches up to the colored border 5 and there as a negative image or recess 9 in the printed area 5 is continued.
  • embossing elements 7 brought up to the colored areas 5 and there in the form of Cutouts 9 continued.
  • a halftone image is shown, the data for producing a Intaglio printing plate according to the invention can be used.
  • the Halftone was created based on a three-dimensional template, with darker grayscale areas that can be assigned in the later embossing should appear more spatially.
  • the different Grayscale of this halftone picture are different engraving depths assigned, and this data to a milling machine, e.g. CNC (Computer Numeric Control) milling machine passed the Intaglio printing plate engraved according to this information.
  • CNC Computer Numeric Control
  • FIG. 8 shows the engraving depth profile along a line A - A in FIG. 7.
  • the greatest engraving depths can be found in the area of the tip of the nose and in the area of the cervical collar, which are shown in FIG. 7 as deep black areas are. All halftones between these areas have one lower engraving depth.
  • FIG. 9 schematically shows a bank note 1 as a data carrier, with another Embodiment of the security element 2 according to the invention.
  • the security element 2 consists of a through Background printing 4 shown in black dots in the form of an oval Plaque and one placed on the background print 4 as centrally as possible Halftone blind embossing 3, which represents the number "6".
  • the background print 4 is preferably given a metallic one, particularly preferably a gold or silver metallic look to give the viewer the impression to convey a coin.
  • FIG. 10 shows an enlarged section of the security element shown in FIG. 9 2, the section line A - A and that below this line lower third of the number "6" is shown.
  • the halftone blind embossing 3 is exposed in this exemplary embodiment three different embossing levels 10, 11 and 12 put together by stair-like steps can be implemented in the embossed image.
  • the white areas 10 shown in FIG. 10 represent areas that are not or are only slightly embossed
  • the light gray areas 11 represent areas which are embossed more strongly than the areas 10, and the dark gray Areas 12 have the strongest embossing.
  • smoothing the disk material such as. Paper or the background print is created in the areas 10 which are not or only very slightly engraved, have a special sheen.
  • areas 11 and 12 give a matte impression.
  • Fig. 11 shows schematically the data carrier 1 with background imprint 4 in Cross section along the line A - A, as shown in Fig. 10. They are clear different embossing levels 10, 11 and 12 can be seen.
  • the areas 10 are heavily smoothed or unembossed areas that occur during the embossing process with the non-engraved areas of the printing plate.
  • the Areas 11 and 12 show a medium or strong embossing of the data carrier and become correspondingly more moderate with the printing plate areas or large engraving depth.
  • a data carrier 1 according to the invention is shown again in FIG. 12, for example a banknote with a security element 2 is shown.
  • the background print 4 shown in dotted lines was colored gold creates a glossy surface in indirect high pressure. Then was the halftone blind embossing 2 simultaneously with the colored area 5 during an intaglio printing passage, which makes an absolutely register-accurate Arrangement of the blind embossing to the color print framing them is guaranteed.
  • the colored area 5 has fine guilloche structures, that are difficult to reproduce.
  • the color print preferably has a "loosened" outer and inner area, the fine, twisted lines in a positive representation includes that cause only a small area coverage.
  • the central area on the other hand has a high area coverage and is fine, for example Lines drawn in negative.
  • FIG. 13 The advantage of this configuration and arrangement is illustrated by FIG. 13, in which the positioning of the colored area 5 for background printing 4 is shown in the manner of an exploded drawing.
  • the Halftone blind embossing is not shown in this illustration.
  • the colored area 5 is arranged above the background print 4 that the central area of the color print 5 with the high area coverage lies over the edge of the background print 4. Because the background print 4 and the color print 5 in different printing techniques and in independent passages are printed, result inevitably register tolerances of several millimeters can and the appearance of the provided with the security element Document would significantly disrupt. These inaccuracies in positioning of the two prints are due to the configuration shown in Fig. 13 and arrangement balanced and effectively hidden.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Printing Plates And Materials Therefor (AREA)

Claims (35)

  1. Support de données (1) tel qu'un billet de banque, une carte d'identité ou un objet du même genre, comportant un élément de sécurité (2) qui peut être contrôlé au moins visuellement et qui présente une gravure dans au moins une zone partielle, caractérisé en ce que la gravure est une impression à froid à demi-teintes (3) réalisée en taille douce en creux ne conduisant pas l'encre.
  2. Support de données selon la revendication 1, caractérisé en ce que la gravure à froid en demi-teinte (3) représente des caractères alphanumériques, des éléments graphiques ou des images en demi-teinte, de préférence un portrait.
  3. Support de données selon la revendication 1 ou 2, caractérisé en ce qu'en plus de la gravure à froid en demi-teinte (3) est présente de manière alignée par rapport au repérage, au moins une zone colorée (5) réalisée en taille douce en creux au trait et en ce que la gravure à froid en demi-teinte (3) et la zone colorée (5) sont espacées l'une de l'autre.
  4. Support de données selon la revendication 3, caractérisé en ce que l'espace entre la gravure à froid en demi-teinte (3) et la/les zone(s) colorée(s) s'élève au moins à 1 mm, de préférence à 3mm.
  5. Support de données selon l'une des revendications 1 ou 2, caractérisé en ce que la gravure à froid en demi-teinte (7) et la zone colorée (5) sont directement contiguës.
  6. Support de données selon la revendication 5, caractérisé en ce que la gravure à froid en demi-teinte (7), contiguë aux zones colorées (5), est poursuivie, au moins partiellement, en tant qu'évidement (9) dans les zones colorées (5).
  7. Support de données selon l'une des revendications 3 à 6, caractérisé en ce que la gravure à froid en demi-teinte (3) est disposée au centre par rapport à la zone colorée (5).
  8. Support de données selon l'une des revendications 3 à 7, caractérisé en ce que la zone colorée (5) est réalisée en tant que bordure de la gravure à froid en demi-teinte (3).
  9. Support de données selon l'une des revendications 3 à 8, caractérisé en ce que la zone colorée représente des guillochis.
  10. Support de données selon l'une des revendications 1 à 9, caractérisé en ce que la gravure à froid en demi-teinte (3) est entièrement appliquée sur une surimpression de fond (4) non réalisée suivant le procédé d'impression en taille douce en creux.
  11. Support de données selon la revendication 10, caractérisé en ce que la surimpression de fond (4) recouvre la zone colorée (5) au moins dans une zone partielle.
  12. Support de données selon la revendication 10 ou 11, caractérisé en ce que la surimpression de fond (4) est imprimée au moyen de la sérigraphie, de l'impression offset ou de la typographie indirecte.
  13. Support de données selon l'une des revendications 10 à 12, caractérisé en ce que la surimpression de fond (4) est une couche à effets.
  14. Support de données selon la revendication 13, caractérisé en ce que la couche à effets est composée de métal, d'une encre métallique ou d'une encre contenant des pigments de couche interférentielle.
  15. Support de données selon la revendication 13 ou 14, caractérisé en ce que la couche à effets est de couleur bronze, or ou argent.
  16. Support de données selon l'une des revendications 10 à 15, caractérisé en ce que la surimpression de fond (4) et la zone colorée (5) sont adaptées l'une à l'autre du point de vue de la couleur, en ce qu'elles présentent de préférence la même teinte.
  17. Support de données selon l'une des revendications 10 à 16, caractérisé en ce que la zone colorée (5) comporte une zone interne à recouvrement élevé et une zone interne et/ou externe à recouvrement plus faible et en ce que la zone à recouvrement élevé est disposée sur le bord de la surimpression de fond (4).
  18. Support de données selon l'une des revendications 1 à 17, caractérisé en ce que le motif de la gravure à froid en demi-teinte (3) est prévu plusieurs fois sur le support de données et suivant des techniques différentes.
  19. Support de données selon l'une des revendications 1 à 18, caractérisé en ce qu'en plus de la gravure à froid en demi-teinte (3), sont présents un filigrane (14) et un autre élément complémentaire imprimé, le filigrane (14), l'élément complémentaire et la gravure à froid en demi-teinte (3) présentant le même motif.
  20. Support de données selon la revendication 19, caractérisé en ce que l'élément complémentaire (13) est imprimé au moyen de la technique de la taille douce en creux.
  21. Support de données selon l'une des revendications précédentes, caractérisé en ce que la gravure à froid en demi-teinte (3) comprend des zones partielles de rugosité différente qui occasionnent une réflexion lumineuse discernable à l'oeil.
  22. Support de données selon l'une des revendications précédentes, caractérisé en ce que la gravure à froid en demi-teinte est recouverte, au moins dans des zones partielles, de sous-structures qui influencent son apparence visuelle et qui comprennent une orientation différente dans des zones partielles séparées.
  23. Procédé de fabrication d'un support de données avec un élément de sécurité, comprenant les étapes suivantes :
    a) préparation d'un matériau pour support de données,
    b) fabrication d'une plaque d'impression en taille douce en creux, un relief tridimensionnel étant gravé dans la surface de la plaque d'impression et
    c) impression à froid du matériau pour support de données au moyen de la plaque d'impression en taille douce fabriquée à l'étape b).
  24. Procédé selon la revendication 23, caractérisé en ce que le relief tridimensionnel représente des caractères alphanumériques, des éléments graphiques ou des images à demi-teintes, de préférence un portrait.
  25. Procédé selon la revendication 23 ou 24, caractérisé en ce que, à l'étape b), en plus du relief tridimensionnel, au moins une autre zone de gravure est gravée dans la surface de la plaque d'impression, cette zone étant disposée de manière alignée du repérage par rapport au relief tridimensionnel et remplie d'encre d'impression, et en ce qu'ensuite, à l'étape c), l'encre d'impression est transférée de la zone de gravure supplémentaire au matériau pour support de données, en même temps que la gravure à froid en demi-teinte (3).
  26. Procédé selon la revendication 25, caractérisé en ce que la gravure à froid en demi-teinte est disposée au centre par rapport à la zone de gravure conduisant l'encre.
  27. Procédé selon la revendication 25 ou 26, caractérisé en ce que les zones colorées sont réalisées en tant que bordure de la gravure à froid.
  28. Procédé selon l'une des revendications 26 à 27, caractérisé en ce que les zones colorées représentent des guillochis.
  29. Procédé selon l'une des revendications 20 à 24, caractérisé en ce que, après l'étape a), une surimpression de fond, non réalisée suivant le procédé de taille douce en creux, est appliquée sur le matériau pour support de données et en ce que, à l'étape c), la gravure à froid est entièrement appliquée au niveau de la surimpression de fond.
  30. Procédé selon la revendication 29, caractérisé en ce que la surimpression de fond est imprimée au moyen de la sérigraphie, de la typographie indirecte ou de l'impression offset.
  31. Procédé selon la revendication 29 ou 30, caractérisé en ce que les zones colorées recouvrent la surimpression de fond au moins dans une zone partielle.
  32. Procédé selon l'une des revendications 29 à 31, caractérisé en ce que la zone colorée est réalisée de telle sorte qu'elle comporte une zone centrale à recouvrement élevé et une zone interne et/ou externe à recouvrement plus faible et en ce que la zone à recouvrement élevé est disposée sur le bord de la surimpression de fond (4).
  33. Plaque d'impression en taille douce pour la fabrication d'une impression à froid à demi-teintes (3) avec au moins une zone gravée dans la surface de la plaque d'impression, caractérisée en ce que la zone gravée comprend un relief gravé tridimensionnel, avec une évolution continue de la profondeur de gravure.
  34. Plaque d'impression en taille douce selon la revendication 33, caractérisée en ce que la gravure comprend des zones partielles de rugosité différente.
  35. Plaque d'impression en taille douce selon la revendication 33 ou 34, caractérisée en ce que le profil tridimensionnel en profondeur est recouvert, au moins dans des zones partielles, de sous-structures qui présentent une orientation différente dans différentes zones partielles.
EP01969698A 2000-09-08 2001-09-06 Support de donnees, son procede de fabrication et plaque d'impression helio Revoked EP1317346B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10044464 2000-09-08
DE10044464A DE10044464B4 (de) 2000-09-08 2000-09-08 Datenträger sowie ein Verfahren zu seiner Herstellung
PCT/EP2001/010287 WO2002020274A1 (fr) 2000-09-08 2001-09-06 Support de donnees, son procede de fabrication et plaque d'impression helio

Publications (2)

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EP1317346A1 EP1317346A1 (fr) 2003-06-11
EP1317346B1 true EP1317346B1 (fr) 2004-06-30

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US (1) US7686341B2 (fr)
EP (1) EP1317346B1 (fr)
JP (1) JP2004508226A (fr)
CN (1) CN1242887C (fr)
AT (1) ATE270193T1 (fr)
AU (2) AU2001289869C1 (fr)
BR (1) BR0113767A (fr)
CA (1) CA2421501C (fr)
DE (2) DE10044464B4 (fr)
ES (1) ES2223915T3 (fr)
HK (1) HK1059418A1 (fr)
MX (1) MXPA03001765A (fr)
PL (1) PL198878B1 (fr)
PT (1) PT1317346E (fr)
RU (1) RU2264920C2 (fr)
TR (1) TR200401737T4 (fr)
WO (1) WO2002020274A1 (fr)
ZA (1) ZA200301515B (fr)

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CA2421501A1 (fr) 2003-03-04
AU2001289869C1 (en) 2006-08-10
CN1242887C (zh) 2006-02-22
HK1059418A1 (en) 2004-07-02
PL359719A1 (en) 2004-09-06
AU2001289869A2 (en) 2002-03-22
US20080290647A1 (en) 2008-11-27
WO2002020274A1 (fr) 2002-03-14
JP2004508226A (ja) 2004-03-18
ES2223915T3 (es) 2005-03-01
ZA200301515B (en) 2003-11-07
ATE270193T1 (de) 2004-07-15
AU8986901A (en) 2002-03-22
TR200401737T4 (tr) 2004-09-21
MXPA03001765A (es) 2003-09-10
DE50102760D1 (de) 2004-08-05
CN1452561A (zh) 2003-10-29
AU2001289869B2 (en) 2005-09-29
CA2421501C (fr) 2009-06-09
DE10044464A1 (de) 2002-03-21
US7686341B2 (en) 2010-03-30
EP1317346A1 (fr) 2003-06-11
BR0113767A (pt) 2003-06-24
DE10044464B4 (de) 2011-09-22
PT1317346E (pt) 2004-09-30
PL198878B1 (pl) 2008-07-31
RU2264920C2 (ru) 2005-11-27

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