WO2008049566A2 - Élément de sécurité doté d'une structure à effet optique variable - Google Patents

Élément de sécurité doté d'une structure à effet optique variable Download PDF

Info

Publication number
WO2008049566A2
WO2008049566A2 PCT/EP2007/009146 EP2007009146W WO2008049566A2 WO 2008049566 A2 WO2008049566 A2 WO 2008049566A2 EP 2007009146 W EP2007009146 W EP 2007009146W WO 2008049566 A2 WO2008049566 A2 WO 2008049566A2
Authority
WO
WIPO (PCT)
Prior art keywords
security element
coating
lines
element according
embossing
Prior art date
Application number
PCT/EP2007/009146
Other languages
German (de)
English (en)
Other versions
WO2008049566A3 (fr
Inventor
Peter Franz
Original Assignee
Giesecke & Devrient Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Giesecke & Devrient Gmbh filed Critical Giesecke & Devrient Gmbh
Priority to AT07819210T priority Critical patent/ATE483592T1/de
Priority to CA2667081A priority patent/CA2667081C/fr
Priority to DE502007005294T priority patent/DE502007005294D1/de
Priority to PL07819210T priority patent/PL2084015T3/pl
Priority to EP07819210A priority patent/EP2084015B1/fr
Publication of WO2008049566A2 publication Critical patent/WO2008049566A2/fr
Publication of WO2008049566A3 publication Critical patent/WO2008049566A3/fr

Links

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
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/425—Marking by deformation, e.g. embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/43—Marking by removal of material
    • B42D25/435—Marking by removal of material using electromagnetic radiation, e.g. laser
    • 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
    • B42D25/44—Marking by removal of material using mechanical means, e.g. engraving
    • 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
    • B42D25/445—Marking by removal of material using chemical means, e.g. etching
    • B42D2035/14—
    • B42D2035/16—
    • B42D2035/26—

Definitions

  • the invention relates to a security element with an optically variable structure, which has an embossed structure.
  • the embossed structure is combined with a coating that contrasts with the surface of the data carrier in such a way that at least partial areas of the coating are visible when viewed perpendicularly, but are concealed under oblique viewing under a predetermined viewing direction. When alternately vertical and oblique viewing thus creates a tilting effect.
  • optically variable security elements For protection against counterfeiting, in particular with color copiers or other reproduction methods, data carriers such as banknotes, securities, credit or identity cards, passports, certificates and the like, labels, packaging or other elements for product protection are equipped with optically variable security elements.
  • the protection against counterfeiting is based on the fact that the visually and simply and clearly recognizable optically variable effect is not or only insufficiently reproduced by the abovementioned reproduction devices.
  • the optically variable security elements have a corresponding feel, which is difficult to copy but easy to check without aids.
  • a data carrier with an optically variable element which consists of an embossed structure and a coating in the form of a printed image or line screen.
  • the embossed structure or the coating are in this case supplemented by a partial change in their structure so that either an amplification of the already known optically variable effect occurs or at least one further visually recognizable effect occurs.
  • the totality of the optically variable effect produced by the combination of background and imprinting and the additional effect is visually discernible, but can be assisted visually. fe of copiers are not reproduced. Accordingly, it can serve as information for checking whether it is an original document, or in the presence of the optically variable effects, it can be ruled out that the document was produced by means of commercial reproduction techniques.
  • EP 1 317 346 B1 discloses a data carrier with a blind embossed security element in which a background print not executed in intaglio printing and a halftone blind embossing are applied to the data carrier in different printing processes. This occurring Püffeaumaschineen on, which can be up to several millimeters. These registration inaccuracies are disguised by correspondingly designed colored areas, which are arranged in register around the halftone blind embossing. The colored areas cover the registration inaccuracies between the background imprint and the halftone blind embossing, so that for a viewer the impression of a registration-accurate, centered in the background imprint halftone blind embossing arises.
  • WO 2004/022355 discloses a data carrier with an optically variable structure which has an embossed structure with raised areas and a first coating which contrasts with the surface of the data carrier.
  • the embossing structure and the coating are combined in such a way that a tilting effect is created when viewing in an alternating vertical and oblique manner.
  • the first coating is only partially provided.
  • the optically variable structure has a second coating which also contrasts with the data carrier surface, which coating is arranged overlapping at least in some areas with respect to the first coating.
  • the coating of WO 97/17211 or WO 2004/022355 is designed in particular as a line grid of printed lines of any desired color scheme. The lines of different colors are hereby spaced apart or directly adjacent to each other.
  • a line width of approximately 100 ⁇ m is selected, the lines can virtually no longer be resolved by the eye and a homogeneous color impression results.
  • a regular sequence of lines of the primary colors cyan, yellow and magenta results in a uniform, gray-appearing surface in plan view.
  • a major disadvantage of a line grid of printed lines is that the lines of the respective color are successively printed on the carrier substrate, so that in principle registration inaccuracies are unavoidable. Even in high registration printing processes, the lines are minimally offset from each other, and the area of the coating appears streaky and stained, i. the homogeneous color impression is impaired. Since these registration inaccuracies can also occur on the entire surface of the coating, their camouflage is not possible by overprinting with colored areas according to EP 1 317 346 Bl.
  • the invention is therefore based on the object to improve a security element with an optically variable structure of a coating in the form of a line grid and an embossed structure to the effect that the Pcluonneauigkei- basically occurring within the coating th be camouflaged.
  • the optically variable structure consists of a coating in the form of a full-area, linear and multi-colored, ie at least two-color grid structure and an embossed structure.
  • both the coating and the embossed structure each contain at least one information that is visible to a viewer. Furthermore, this information partially overlaps.
  • the advantage of the optically variable structure according to the invention is that the information of the coating deflects registration inaccuracies of the coating. While the registration inaccuracies within the coating are still present, the spotty and striped appearance of the coating is still visible, but a viewer tends to focus on the information of the coating.
  • the full-surface, linear and multicolored grid structure of the coating has at least first information, which is embodied in particular as a negative and / or positive representation in the form of a modulation of the lines of the grid structure.
  • a modulation of a line is a change in the design of the line, in particular in shape, color and / or course in the context of this invention.
  • a negative representation in the sense of this invention is a reduction in the thickness of a line and a positive representation a broadening of the thickness of the line.
  • Individual lines of the raster structure are modulated in certain areas such that the impression of a graphical or alphanumeric image is created for a viewer.
  • a figure, a letter, a portrait, an animal, a plant, a landscape or a building result from a normal viewing distance of 30 cm to 50 cm. Looking at this figure from a much smaller distance of a few centimeters or with a magnifying glass, it shows that the modulation of the lines is performed pixel-like.
  • the lines in a certain area are changed in their extent parallel to the surface of the carrier substrate, ie their width, by tapering or broadening.
  • the lines may also be interrupted or angled, formed from a sequence of short breaks and points, rectangles, symbols or other geometric or alphanumeric shapes or staggered.
  • the lines can be significantly changed in their color or their saturation, ie the layer thickness of their color order.
  • a combination of several of these modulations is possible, such as a puncture in a different color or an interruption, in which the space created by the interruption is partially replenished by a sequence of characters, numbers and points.
  • the lines of the line pattern are directly adjacent or spaced from each other.
  • a blanket line pattern is preferably applied to the data carrier from an alternating sequence of three lines in the colors cyan, magenta and yellow or a similar color impression.
  • the color of the substrate of the data carrier forms one of the lines of the line pattern. Both options can also be combined. If, for example, an alternating sequence of two adjoining lines in the colors cyan and yellow is printed on a magenta substrate, with a gap between each line pair, the substrate forms the "missing" third line of the sequence.
  • the lines of the individual colors are successively printed on the substrate of the data carrier.
  • first all lines of a first color are printed, in a second printing all lines of a second color, in a third printing all lines of a third color, etc.
  • a separate printing plate or a separate printing cylinder is used the appropriate color is applied and then printed on the substrate of the disk.
  • all colors can also be printed on the substrate of the data carrier in a single printing process.
  • the individual colors are successively or simultaneously applied to a single printing plate or a single printing cylinder and then printed on the substrate of the data carrier.
  • the printing is done by conventional printing methods, i. especially in planographic printing, such.
  • high pressure e.g. in letterpress or flexographic printing, screen printing, gravure printing, e.g. in gravure or intaglio printing, or in a Therm conductingverfah- ren, such as in the thermal transfer method.
  • the lines of the coating are designed as straight lines and particularly preferably arranged parallel to one another.
  • the lines may also be designed as concentric circles or confocal ellipses or have oval, wavy or any other shapes.
  • a combination of several of these embodiments is possible.
  • the coating preferably has machine-readable features.
  • the machine-readable features include machine-readable Feature substances, in particular reflective, magnetic, electrically conductive, X-ray absorbing, phosphorescent, fluorescent or other luminescent substances.
  • the substances which can be detected by machine are particularly preferably luminescent, electrically conductive, infrared (IR) radiation-absorbing or X-ray absorbing substances, since these materials can be detected without contact.
  • IR infrared
  • X-ray absorbing substances since these materials can be detected without contact.
  • Luminescent and electrically conductive, partially IR-absorbing materials are therefore also particularly suitable as coding materials, because they can be added to the printing inks, for example as particles, without significantly affecting the color effect of the printing inks.
  • the chromatic brilliance of the printing inks is preserved if, for example, luminescent feature substances have little or no intrinsic color or largely colorless, electrically conductive polymers are used.
  • many luminescent substances, electrically conductive particles and IR or X-ray absorbing substances have the positive property that their luminescence or electrical conductivity or absorption capacity is maintained unchanged over a long time and can not be changed or deleted by external influences.
  • electrically conductive materials are preferably mica particles in question, which are coated with an electrically conductive coating.
  • X-ray absorbing material for example, barium sulfate is suitable.
  • Organic absorbers for example from the group of phthalocyanines, and inorganic absorbers, such as, for example, carbon as carbon black or graphite, can be used as the IR absorber.
  • the width of the lines is between 30 .mu.m and 300 .mu.m, preferably between 40 .mu.m and 200 .mu.m, so that for a viewer's eye, the grid structure is no longer perceivable as consisting of individual lines from a distance of at least 30 cm to 50 cm homogeneous color impression is created.
  • the depth of the lines of the line pattern is between 15 ⁇ m and 250 ⁇ m, preferably between 40 ⁇ m and 150 ⁇ m and particularly preferably between 80 ⁇ m and 120 ⁇ m.
  • the embossed structure is arranged in a partial area of the coating, i. unlike the coating, it is not completely executed.
  • the embossed structure can also be guided beyond the coating and thus protrude beyond the coating.
  • the embossing structure has at least one piece of information, the so-called second information, which is formed by the contour lines of the embossed areas.
  • the second information is embodied in the form of a graphic and / or alphanumeric image and represents, for example, a number, a letter, a portrait, an animal, a plant, a landscape or a building.
  • the embossed structure is preferably designed as a blind embossing.
  • Blind embossing is done in one printing process using a steel base. pressure plate generated. During the printing process, the paper is pressed into the recesses of the blind embossing areas and in this way permanently deformed.
  • the blank embossing areas of the printing plate unlike printed image areas, are not filled with ink, so that the substrate material of the security document is only permanently deformed, ie embossed, in these areas.
  • blind embossing with corresponding dimensions can also be detected tactilely.
  • the embossed structure is designed as an ink-carrying embossing.
  • the optically variable effect of the security element is retained, although an ink-bearing embossing is used instead of the blind embossing.
  • the optically variable structure has, at least in some areas, a second coating which also contrasts with the data carrier surface and which is arranged congruently with the raised regions of the embossed structure.
  • the second coating offers the advantage that the embossed structure is stabilized without additional printing.
  • the security element of this type has the advantage that it can be integrated into a gravure printing motif and thus into the color and representational design of a surrounding motif.
  • the recesses of the printing plate are filled with paint.
  • the excess ink is removed from the printing plate with a wiper cylinder or a squeegee so that the engraving lines are filled to the brim with ink.
  • the data carrier to be printed as a rule paper, is finally pressed onto the printing plate at high pressure.
  • the disk is doing in the Pressed with ink filled depressions of the printing plate and comes so in contact with the ink. When removing the disk, this pulls the ink out of the wells.
  • the printed image produced in this way has printing lines which vary depending on the depth of the depressions in the ink layer thickness.
  • the disk is in this case pressed so strong into the wells of the printing plate that he not only receives the color from the wells, but is also coined.
  • embossed structures are produced with an embossing tool, such as an intaglio printing plate, an embossing stamp or a printing plate.
  • an embossing tool such as an intaglio printing plate, an embossing stamp or a printing plate.
  • the surface of the embossing tool on depressions which are introduced by mechanical engraving, ablation by means of a laser, scratches, for example with a diamond tip and / or etching in the surface of the embossing tool.
  • the embossing can also be produced by means of thermal processes.
  • a substrate made of plastic is thermally deformed by the action of heat, with finer structures can be displayed than with paper substrate.
  • This method is used in particular for plastic banknotes or debit cards, debit cards, credit cards, SIM cards, customer cards or the like.
  • the embossing on line-shaped embossing elements which may preferably be straight, but also wavy and / or curved.
  • a line-shaped embossing element is produced by a channel-like recess in the embossing plate or the embossing cylinder.
  • the recess is designed in cross-section such that embossing elements are formed with at least two opposite flanks and each of these flanks is visible from different directions. examples For example, arise in a triangular design of the recess two flanks, which are both visible when viewed vertically. When viewed obliquely, only one flank is visible because the other flank is obscured by the opposite visible flank. When alternately vertical and oblique viewing thus creates a tilting effect.
  • the linear grid structure of the coating and the line-shaped embossing elements are aligned parallel to one another, so that lines of one color are arranged on one flank of the embossed structure and lines of another color on the other flank. If a viewer thus looks at the optically variable structure at an angle, he sees one of the two colors depending on the viewing direction, he looks vertically at the optically variable structure, he sees both colors. The interaction of coating and embossed structure thus creates a tilting effect with a color change.
  • the embossing has non-linear embossing elements, as are known, in particular, from WO 2006/018232 A1.
  • Non-linear embossing elements have flanks of planar and / or curved surfaces, in particular the shape of n-sided pyramids, tetrahedrons, truncated pyramids, cylindrical sections, cones, conic sections, paraboloids, polyhedra, cuboids, prism spherical cutouts, spherical sections, spherical segments, hemispheres, barrel bodies or tori ,
  • the nonlinear embossing elements can also be designed as a so-called split torus, wherein the torus is divided parallel to the plane in which the large radius of the torus lies.
  • Non-linear embossing elements have the advantage that more than two pieces of information can be accommodated in the optically variable element in a simple manner. Different viewing angles are visible, since the non-line-shaped embossing elements have a plurality of flanks on which the information or parts of the information can be targeted and separated from each other.
  • the first information and the second information partially overlap.
  • the first and the second information represent two graphic or alphanumeric images with different dimensions, wherein the first information has a greater dimension in the longitudinal and / or transverse direction than the second information.
  • the first piece of information is thus partially within the second piece of information and extends beyond it in part.
  • both information both have the same dimensions and lie directly one above the other and thereby completely overlap or the first information is arranged completely within the structure of the second information. This would mean that essentially only the information of the embossed structure is visible to a viewer and the information of the coating no longer appears or disappears, so that the object of the invention to deviate from the registration inaccuracies of the coating can not be fulfilled.
  • the two process steps embossing and printing for the production of the optically variable structure can be carried out in any order.
  • only the embossed structure can be introduced into the substrate of the data carrier and then the coating can be printed or, conversely, the coating is first printed and then the embossed structure is introduced into the substrate of the data carrier.
  • both can Process steps take place simultaneously in a common process step.
  • the security element according to the invention serves, in particular, to increase the security against forgery of value documents, such as banknotes, checks, shares, identity cards, entrance tickets, tickets, certificates, credit cards, check cards and the like.
  • value documents such as banknotes, checks, shares, identity cards, entrance tickets, tickets, certificates, credit cards, check cards and the like.
  • optically variable structure according to the invention can in particular be combined with any other security feature within a value document.
  • the optically variable structure according to the invention can be attached via a security thread, combined with a hologram or other diffractive structures, or arranged alongside or overlapping with other optically variable structures.
  • a particular advantage of the invention is that the first information distracts from registration inaccuracies of the coating. Although the registration inaccuracies between the individual lines of the coating are still present and thus the spotty and streaky appearance of the coating is still visible, a viewer focuses more on the graphic or alphanumeric image of the first information. The graphic or alphanumeric image of the first information is thus much more attractive to the viewer than the registration inaccuracies and thus distracts the viewer from them.
  • optically variable structure for observers in supervision is much more attractive.
  • the optically variable structure no longer consists only of a structureless background and an imprint, but is represented by a graphic or alphanumeric image added. This leads to the additional advantage that the optically variable structure can be better integrated into an existing design of a value document, since patterns or images of the value document can be introduced into or continued in the coating of the optically variable structure.
  • the multicolor of the coating can already be used in the top view by focusing on a specific pair of colors, e.g. Cyan and magenta, no change, but the execution is modified in yellow and thus the color component of the combination of cyan and magenta, i. Blue, stronger can be emphasized.
  • a specific pair of colors e.g. Cyan and magenta
  • the execution is modified in yellow and thus the color component of the combination of cyan and magenta, i. Blue, stronger can be emphasized.
  • further color plays can take place in the respective color directions yellow, red, blue and thus the overall impression of a document of value, such as e.g. a banknote, continue to support.
  • Fig. 3 shows a three-color line grid with blind embossing in the form of the number "50" and modulation of the line grid in the form of an eagle.
  • an optically variable structure of a data carrier consists of a coating 4 and an embossed structure 6.
  • the coating 4 consists of an alternating sequence of three lines 1, 2 and 3 in the colors cyan, yellow and magenta. Several of the yellow lines 2 have a modulation in the form of a widening 5. The outline of all widenings gives the observer at a distance of about 30 cm to 50 cm the first information in the form of an alphanumeric image of the letter "A".
  • the actual colored line representations are shown in black and white. Therefore, in particular, the colored lines are shown as black lines and must be mutually distinguishable. be spaced from each other. In order to obtain a uniformly gray coating 4, the lines actually border directly on each other, which however can not be represented in a black-and-white representation.
  • the embossed structure 6 consists of individual line-shaped embossing elements, which are aligned parallel to the lines of the coating 4 and protrude from the surface of the substrate of the data carrier.
  • the embossing elements have two opposite flanks 7 and 8, which are arranged in the shape of an isosceles triangle to each other.
  • on the flank 7 of each embossing element is a part of the line 3 in the color magenta and on the opposite flank 8 a part of the line 1 in the color cyan.
  • On the top of each embossing element is a part of the line 2 in the color yellow.
  • modulation is described below by way of example with reference to a change in the length, the thickness and the structure of line 2. Likewise, however, the remaining lines can also be modulated.
  • FIG. 2 a shows the modulation of the line 2, which has an interruption 10 over a limited area.
  • Line 1 and Line 3 have no modulation.
  • no ink is printed on the substrate of the data carrier, so that here the color of the substrate, white in the present example, emerges.
  • the gap formed by the interruption according to Fig. 2a is partially filled by a plurality of squares 11, which are arranged at a regular distance from each other.
  • the gap is filled by a mixture of squares 11 and points 12 which are at an irregular distance from each other.
  • no color is printed on the substrate of the data carrier, so that here the color of the substrate, white in the present example, emerges. The color of the substrate, however, is less apparent than the interruption of Fig. 2a.
  • Geometric or graphical illustrations are for example Stars, arrows, cloverleaf-like structures or fragments, ie structures with recesses.
  • Fig. 2d shows in addition to the modulation of Fig. 2b also a modulation of the line 3 in the form of an interruption, in which the resulting gap is partially filled by a plurality of points 12, which are arranged at a regular distance from each other. Again, no ink is printed on the substrate of the data carrier in the region between the points 12, so that the color of the substrate, white in the present example, emerges.
  • FIGS. 2e and 2f show a modulation of the width of the line 2 within a certain section of the line 2, whereby line 2 according to FIG. 2e has a narrowing 13 and according to FIG. 2f a widening 14.
  • the transition between the regions of different widths can, as shown in FIGS. 2e and 2f, take place abruptly or slidingly in a certain transition region.
  • the widening 14 of the line 2 according to FIG. 2f protrudes into the adjacent lines 1 and 3 and partially covers them, so that lines 1 and 3 are narrowed.
  • the modulation of the line 2 is effected by an offset 15.
  • the line 2 has a different distance from the surrounding lines 1 and 3 in different regions:
  • the transition between the regions can take place abruptly through a point of discontinuity or in a certain transition region.
  • the unmodulated lines are designed to be continuous. However, this is not a mandatory requirement for the invention. Rather, the unmodulated lines can also be dashed, dotted, dash-dotted or consist of any other arrangements of interruptions and structural elements. In Fig. 2h this is shown by the example of the broken lines 20, 21 and 22, which consist of a juxtaposition of squares and interruptions. The modulation takes place here by a change of the structural elements from squares to points 12 and the size of the points small points 16 or very small points 17. Likewise, all the other possibilities of modulation mentioned above are also applicable.
  • Tilts of individual sections of lines a change from straight to zigzag-like course of the line or a color change of the line, not shown in the figures, but furthermore possible, are furthermore possible. from yellow to cyan or from pale yellow to dark yellow.
  • FIG. 3 shows a concrete embodiment of an optically variable structure according to the invention.
  • the coating 4 is in this case analogous to FIG. 1 designed as a three-color, parallel line grid of lines in the colors cyan, yellow and magenta.
  • the modulation 31 consists of:
  • the optically variable structure additionally has an embossed structure 30 whose outline lines give the number "50" to a viewer.
  • Embossing structure 30 and modulation 31 partially overlap, with modulation 31 partially disposed within and partially outside the contour lines of embossed structure 30.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Finance (AREA)
  • Accounting & Taxation (AREA)
  • Business, Economics & Management (AREA)
  • Electromagnetism (AREA)
  • General Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Polarising Elements (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

L'invention concerne un élément de sécurité doté d'une structure à effet optique variable qui présente une structure en relief. La structure en relief est combinée avec un revêtement contrastant par rapport à la surface du support de données, de telle façon qu'au moins des zones partielles du revêtement soient visibles lorsqu'on les observe à la verticale, mais soient cachées lorsqu'on les observe de biais, suivant une direction prédéterminée. En observant alternativement à la verticale et de biais, on obtient un effet optique de balayage. L'invention est caractérisée en ce que la structure à effet optique variable comprend un revêtement en forme d'une structure tramée, entièrement plane, linéaire et multicolore, à savoir, au moins bicolore, ainsi qu'une structure en relief. En même temps, aussi bien le revêtement que la structure en relief comprennent, respectivement, au moins une information visible pour un observateur, et ces informations se recouvrent partiellement. L'information de ladite structure tramée, entièrement plane, linéaire et multicolore du revêtement est réalisée, en particulier, en représentation négative et/ou positive, sous forme d'une modulation des lignes de la structure tramée.
PCT/EP2007/009146 2006-10-23 2007-10-22 Élément de sécurité doté d'une structure à effet optique variable WO2008049566A2 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT07819210T ATE483592T1 (de) 2006-10-23 2007-10-22 Sicherheitselement mit einer optisch variablen struktur
CA2667081A CA2667081C (fr) 2006-10-23 2007-10-22 Element de securite dote d'une structure a effet optique variable
DE502007005294T DE502007005294D1 (de) 2006-10-23 2007-10-22 Sicherheitselement mit einer optisch variablen struktur
PL07819210T PL2084015T3 (pl) 2006-10-23 2007-10-22 Element zabezpieczający z optycznie zmienną strukturą
EP07819210A EP2084015B1 (fr) 2006-10-23 2007-10-22 Élément de sécurité doté d'une structure à effet optique variable

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006050290A DE102006050290A1 (de) 2006-10-23 2006-10-23 Sicherheitselement mit einer optisch variablen Struktur
DE102006050290.6 2006-10-23

Publications (2)

Publication Number Publication Date
WO2008049566A2 true WO2008049566A2 (fr) 2008-05-02
WO2008049566A3 WO2008049566A3 (fr) 2008-09-18

Family

ID=39223077

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/009146 WO2008049566A2 (fr) 2006-10-23 2007-10-22 Élément de sécurité doté d'une structure à effet optique variable

Country Status (8)

Country Link
EP (1) EP2084015B1 (fr)
AT (1) ATE483592T1 (fr)
CA (1) CA2667081C (fr)
DE (2) DE102006050290A1 (fr)
MY (1) MY153155A (fr)
PL (1) PL2084015T3 (fr)
RU (1) RU2427472C2 (fr)
WO (1) WO2008049566A2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2691573B1 (fr) 2011-03-30 2016-05-04 Oberthur Fiduciaire SAS Element de securite pour un document-valeur, un procede de fabrication, et document correspondant
EP2562726B1 (fr) 2010-08-03 2017-03-29 Joint Stock Company "Goznak" Support d'informations à structure optique variable (et variantes)
EP3064365A4 (fr) * 2013-11-01 2017-07-05 China Banknote Ink Co., Ltd. Motif anti-contrefaçon ayant une structure optiquement variable
EP2668527B1 (fr) 2011-01-25 2018-12-05 Avery Dennison Corporation Procédé de contrôle de rétro-réflectivité par application d'un motif imprimé et feuille produite par ledit procédé
WO2018219498A1 (fr) 2017-05-31 2018-12-06 Giesecke+Devrient Currency Technology Gmbh Élément de sécurité comprenant deux structures en relief
DE102017011455A1 (de) 2017-12-12 2019-06-13 Giesecke+Devrient Currency Technology Gmbh An unterschiedliche Kundenwünsche anpassbares Sicherheitselement mit einer optisch variablen Struktur

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2239145A1 (fr) * 2009-04-07 2010-10-13 Gemalto SA Élément anti-contrefaçon avec des images pivotantes pour un document d'identification et un procédé pour sa fabrication
GB201117523D0 (en) 2011-10-11 2011-11-23 Rue De Int Ltd Security devices and methods of manufacture thereof
GB201117530D0 (en) 2011-10-11 2011-11-23 Rue De Int Ltd Security devices
RU2568708C2 (ru) * 2014-03-18 2015-11-20 Федеральное Государственное Унитарное Предприятие "Гознак" (Фгуп "Гознак") Многослойный полимерный защитный элемент
AU2018271143B2 (en) 2017-05-17 2023-05-11 Ccl Secure Pty Ltd A banknote and a method of producing a banknote
FR3080325B1 (fr) 2018-04-19 2020-10-02 Crime Science Tech Dispositif de marquage optique
WO2021180374A1 (fr) 2020-03-11 2021-09-16 Koenig & Bauer Ag Élément de sécurité, document de sécurité équipé d'un élément de sécurité ainsi que dispositif et procédé pour produire un élément de sécurité
DE102020106639B4 (de) 2020-03-11 2021-12-02 Koenig & Bauer Ag Sicherheitselement, Sicherheitsdokument mit einem Sicherheitselement sowie Vorrichtung und Verfahren zur Herstellung eines Sicherheitselementes

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1019012A (fr) * 1975-03-24 1977-10-11 Canadian Bank Note Company Images transitoires en couleur dans les documents imprimes
WO1998047715A1 (fr) * 1997-04-18 1998-10-29 De La Rue International Limited Structure d'image transitoire
WO2002020280A1 (fr) * 2000-09-08 2002-03-14 Giesecke & Devrient Gmbh Support de donnees dote d'un element optiquement variable
WO2004022355A2 (fr) * 2002-08-13 2004-03-18 Giesecke & Devrient Gmbh Support de données à élément optiquement variable
WO2006013352A1 (fr) * 2004-08-03 2006-02-09 De La Rue International Limited Dispositif de securite

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1019012A (fr) * 1975-03-24 1977-10-11 Canadian Bank Note Company Images transitoires en couleur dans les documents imprimes
WO1998047715A1 (fr) * 1997-04-18 1998-10-29 De La Rue International Limited Structure d'image transitoire
WO2002020280A1 (fr) * 2000-09-08 2002-03-14 Giesecke & Devrient Gmbh Support de donnees dote d'un element optiquement variable
WO2004022355A2 (fr) * 2002-08-13 2004-03-18 Giesecke & Devrient Gmbh Support de données à élément optiquement variable
WO2006013352A1 (fr) * 2004-08-03 2006-02-09 De La Rue International Limited Dispositif de securite

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2562726B1 (fr) 2010-08-03 2017-03-29 Joint Stock Company "Goznak" Support d'informations à structure optique variable (et variantes)
EP2668527B1 (fr) 2011-01-25 2018-12-05 Avery Dennison Corporation Procédé de contrôle de rétro-réflectivité par application d'un motif imprimé et feuille produite par ledit procédé
EP2691573B1 (fr) 2011-03-30 2016-05-04 Oberthur Fiduciaire SAS Element de securite pour un document-valeur, un procede de fabrication, et document correspondant
KR101899528B1 (ko) * 2011-03-30 2018-10-31 오베르튀르 휘뒤셰르 사스 진정 문서용 보안 요소, 그 제조 방법, 및 그 상응 문서
EP3064365A4 (fr) * 2013-11-01 2017-07-05 China Banknote Ink Co., Ltd. Motif anti-contrefaçon ayant une structure optiquement variable
WO2018219498A1 (fr) 2017-05-31 2018-12-06 Giesecke+Devrient Currency Technology Gmbh Élément de sécurité comprenant deux structures en relief
DE102017005192A1 (de) 2017-05-31 2018-12-06 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement mit zwei Kippeffekten
DE102017011455A1 (de) 2017-12-12 2019-06-13 Giesecke+Devrient Currency Technology Gmbh An unterschiedliche Kundenwünsche anpassbares Sicherheitselement mit einer optisch variablen Struktur
EP3498488A1 (fr) 2017-12-12 2019-06-19 Giesecke+Devrient Currency Technology GmbH Élément de sécurité doté d'une structure optique variable

Also Published As

Publication number Publication date
DE102006050290A1 (de) 2008-04-30
PL2084015T3 (pl) 2011-04-29
RU2427472C2 (ru) 2011-08-27
ATE483592T1 (de) 2010-10-15
EP2084015B1 (fr) 2010-10-06
CA2667081C (fr) 2015-01-20
RU2009119363A (ru) 2010-11-27
DE502007005294D1 (de) 2010-11-18
WO2008049566A3 (fr) 2008-09-18
CA2667081A1 (fr) 2008-05-02
MY153155A (en) 2015-01-29
EP2084015A2 (fr) 2009-08-05

Similar Documents

Publication Publication Date Title
EP2084015B1 (fr) Élément de sécurité doté d'une structure à effet optique variable
EP1779335B1 (fr) Support de donnees ayant une structure optiquement variable
EP1317351B1 (fr) Support de donnees dote d'un element optiquement variable
EP2385903B1 (fr) Élément de sécurité ayant une structure optique variable
EP1986867B1 (fr) Élément de sécurité doté d'une structure à effet optique variable
EP2173567B1 (fr) Élément de sécurité présentant plusieurs structures optiquement variables
DE3048733C2 (de) "Ausweiskarte und Verfahren zur Herstellung derselben"
DE69429266T3 (de) Prägen von wertscheinbogen mit echtheitsmerkmalen
EP1534535B1 (fr) Support de donnees element optiquement variable
EP1117543B1 (fr) Support de donnees
DE68917144T3 (de) Sicherheitsanordnung.
EP1272352B2 (fr) Support de donnees imprime par heliogravure
EP1945466B1 (fr) Element de securite et procede de fabrication dudit element
EP1459268B1 (fr) Document de valeur
DE10243863A1 (de) Datenträger mit einem optisch variablen Element
WO2013045055A1 (fr) Élément de sécurité présentant plusieurs structures optiquement variables
DE102006016342A1 (de) Sicherheitselement
EP1528987B2 (fr) Support de donnees
DE102018106966A1 (de) Verfahren zum Aufdrucken einer als Farbkippfläche gestalteten Bedruckung auf die Oberfläche mindestens eines Gegenstandes
WO2013045056A1 (fr) Élément de sécurité comportant plusieurs structures optiquement variables, présentant un effet cinématique
EP1853433B1 (fr) Support de donnees a image en demi-teinte
EP3511175A1 (fr) Élément de sécurité doté d'une structure optique variable d'éléments estampés agencés de manière statistique

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07819210

Country of ref document: EP

Kind code of ref document: A2

WWE Wipo information: entry into national phase

Ref document number: 2667081

Country of ref document: CA

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2007819210

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2009119363

Country of ref document: RU

Kind code of ref document: A