EP2480417A1 - Elongated security feature comprising machine-readable magnetic regions - Google Patents

Elongated security feature comprising machine-readable magnetic regions

Info

Publication number
EP2480417A1
EP2480417A1 EP10760591A EP10760591A EP2480417A1 EP 2480417 A1 EP2480417 A1 EP 2480417A1 EP 10760591 A EP10760591 A EP 10760591A EP 10760591 A EP10760591 A EP 10760591A EP 2480417 A1 EP2480417 A1 EP 2480417A1
Authority
EP
European Patent Office
Prior art keywords
frame
security
magnetic elements
security element
shaped magnetic
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.)
Granted
Application number
EP10760591A
Other languages
German (de)
French (fr)
Other versions
EP2480417B1 (en
Inventor
Jürgen Schützmann
Stefan Bichlmeier
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
Family has litigation
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Application filed by Giesecke and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Publication of EP2480417A1 publication Critical patent/EP2480417A1/en
Application granted granted Critical
Publication of EP2480417B1 publication Critical patent/EP2480417B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/42—Ribbons or strips
    • 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
    • B42D25/355—Security threads
    • 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
    • B42D25/369—Magnetised or magnetisable materials
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/004—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using digital security elements, e.g. information coded on a magnetic thread or strip
    • B42D2033/16—

Definitions

  • the invention relates to an elongate security element for security papers, documents of value and the like, having a longitudinal direction and a transverse direction perpendicular to the longitudinal direction, and having a magnetic layer arranged on a carrier and containing machine-readable magnetic regions.
  • the invention further relates to a method for producing such a security element and a correspondingly equipped data carrier.
  • Data carriers such as securities or identity documents, but also other valuables, such as branded articles, are often provided with security elements for the purpose of security, which permit verification of the authenticity of the data carrier and at the same time serve as protection against unauthorized reproduction.
  • the security elements are embodied, for example, in the form of a security thread which is wholly or partly embedded in a banknote.
  • the security elements are often provided with machine-readable codings.
  • An example of a machine-readable security element for banknotes is a security thread with machine-readable magnetic areas, the information content of which can be detected and evaluated by the magnetic sensor of a banknote processing system during the authenticity check.
  • the detection of the magnetic regions can be problematic, for example if a sensor of a track-based magnetic sensor strikes a nonmagnetic gap between the magnetic regions in the selected transport direction of the bank notes.
  • the invention has for its object to provide a generic security element that avoids or reduces the disadvantages of the prior art.
  • a simple and reliable detection of the machine-readable magnetic regions should be linked with a visually attractive appearance and great design freedom for the designer.
  • the security element having the features of the main claim.
  • a method for producing such a security element and a data carrier with such a security element are specified in the independent claims. Further developments of the invention are the subject of the subclaims.
  • the magnetic layer comprises a plurality of frame-shaped magnetic elements which contain the machine-readable magnetic regions and which are arranged along the longitudinal direction of the elongate security element.
  • a security element is referred to as being elongate if its extent in the longitudinal direction is more than twice as great as its extent in the transverse direction.
  • the longitudinal direction is the main thread, strip or strip axis or the thread, strip or strip running direction. tion.
  • the ratio of expansion in the longitudinal direction to the extent in the transverse direction is usually significantly greater than 2 and is usually between about 3.5 and about 40.
  • the frame-shaped magnetic elements are preferably rectangular and have only linear inner and outer boundaries, ie in particular none curved, jagged or curved boundaries.
  • the boundaries of the frame-shaped magnetic elements extend only either parallel or perpendicular to the longitudinal direction of the elongated security element.
  • the frame-shaped magnetic elements form partially open magnetic frames, which are either directly adjoining each other or spaced apart.
  • the frame-shaped magnet elements are advantageously arranged around further security features, wherein in the presently particularly preferred variant, the frame-shaped magnet elements form closed magnetic frames that enclose the further security features so that they lie in the magnet-free inner region of the magnet frames.
  • see-through areas with a see-through information which can be formed, for example, by negative-pattern areas, such as a negative writing or other negative motifs, come into consideration as further security features.
  • the see-through areas represent, in particular, transparent or semitransparent areas in otherwise opaque layers and can be realized, for example, by outsourcing. be formed in a colored opaque layer or by demetallization of a metal layer.
  • the see-through information may be a positive representation in which the information to be displayed, for example a letter sequence, is formed by the opaque regions, but it may also be a negative representation in which the information to be represented is formed by gaps in the opaque regions.
  • the review information may also comprise a combination of positive and negative representations, or may represent a geometric or abstract pattern that often can not determine whether the information is in positive or negative representation.
  • optically variable security features also come into consideration according to the invention as further security features.
  • the optically variable security features may, in particular, be color-shifting thin-film elements, liquid-crystal coatings, optically variable pigments, diffractive diffraction structures, such as holograms, or also optically variable coatings which have a combination of color-variable and color-constant regions.
  • the frame-shaped magnetic elements preferably have a remanent belt flow between 120 nWb / m and 500 nWb / m.
  • the re- spective ribbon flow is the magnetic flux per unit length that emerges from the edge of an elongate security element according to the invention. If one multiplies the remanent band flow with the length of 1 m, one obtains the total flow, which emerges from 1 m of the elongated security element.
  • visually recognizable characters, patterns or codes in particular visually recognizable see-through areas or color motifs, are arranged outside the frame-shaped magnetic elements.
  • the see-through areas may be formed for example by negative pattern areas, such as negatives or other negative motifs, or by corresponding positive pattern areas.
  • the frame-shaped magnetic elements are printed on a data carrier which itself is not part of the security element.
  • the magnetic layer may be printed with the frame-shaped magnetic elements on a security paper, a security document or a document of value.
  • the area of the data carrier, which is printed with the frame-shaped magnetic elements, by printing becomes part of the elongate security element according to the invention.
  • the data carrier can be a paper banknote having a substrate made of paper, in particular cotton paper, a polymer banknote having a substrate made of a plastic material or a film composite banknote.
  • the substrate for the intended for the printing of the frame-shaped magnetic elements disk
  • paper which contains a proportion x polymeric material in the range of 0 ⁇ x ⁇ 100 wt .-%.
  • the data medium is a substrate made of a plastic material
  • plastic films are used polyethylene (PE), polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polyethylene naphthalate (PEN), polypropylene (PP), polyamide (PA) or single-layer composite substrates of these plastics materials.
  • the substrate may be formed as a multilayer film composite, in particular as a composite of a plurality of different plastic films (composite composite) or as a paper-film composite.
  • the films of the composite can be z. B. be formed from the aforementioned plastic materials.
  • Such a composite is characterized by an extremely high stability, which is of great advantage for the durability of the security element. Also, these composite materials can be used in certain climatic regions of the earth with great advantage.
  • the paper-film composite has an inner base paper and two outer film layers, as described in more detail in EP 1 545 902 B1, the disclosure of which is incorporated in the present description. Also advantageous is the inverse structure of a paper-film composite, in which an inner film is provided with two outer layers of paper.
  • the frame-shaped magnetic elements can be arranged on / in the inner or outer layer. This applies both to the variants of the invention having printed-on magnetic elements and also to security elements according to the invention having a carrier substrate.
  • the security element contains as carrier a plastic carrier film on which the frame-shaped magnetic elements are arranged.
  • staltung take the frame-shaped magnetic elements while the entire width of the carrier film in the transverse direction.
  • the frame-shaped Magnetele- elements are each arranged around other security features around and the frame-shaped magnetic elements and the other security features are arranged on opposite sides of the carrier film. If the magnetic elements and the further security features are not in the same plane, the statement that the frame-shaped magnet elements should be arranged around the further security features relates to the projection of the magnetic elements into the plane of the further security features.
  • the magnetic frames 44 of FIGS. 4 and 5 are arranged around the negative writing 54 as used in the present description, because the projection of the magnetic frames 44 is disposed in the plane of the thin-film element 50 around the negative writing 54. Accordingly, the plan view of FIG. 4 shows that the negative writing 54 is enclosed by the magnetic frames 44 and lies within the frames 44.
  • the frame-shaped magnetic elements are arranged, which occupy substantially the entire width of the carrier film in the transverse direction.
  • the wording "substantially the entire width of the carrier film” takes into account the fact that not all motifs can extend to the edges of the carriers. For example, negative characters always have to maintain a certain distance from the edges of the carrier film so that they are still easily recognizable as such. It is essential in the present case, however, that the usable width for the motifs of the carrier film in the area outside the frame-shaped magnetic elements is not limited by the magnetic layer.
  • the motifs that is to say the visually recognizable characters, patterns or codes in the transverse direction of the carrier film, can have an extent which is greater than the width of the carrier film minus twice the web width of the frame-shaped magnetic elements along the longitudinal direction of the carrier film.
  • the security element is preferably a security thread, a security band a security strip or a security thread printed on a data carrier.
  • the invention also encompasses a method for producing a security element of the type described above, in which a magnetic layer is arranged on a carrier, wherein the magnetic layer is formed with a plurality of frame-shaped magnetic elements, which contain the machine-readable magnetic regions, and along the longitudinal direction the elongate security element are arranged.
  • the magnetic layer is printed with the plurality of frame-shaped magnetic elements on a data carrier, which itself is not part of the security element.
  • the method comprises the steps:
  • the frame-shaped magnet elements are preferably each arranged around further security features, with the frame-shaped magnet elements particularly preferably being formed as closed magnetic frames, which include the further security features.
  • the frame-shaped magnetic elements and the other security features are advantageously arranged on opposite sides of the carrier film.
  • the further security features can be printed on, vapor-deposited or applied in any other manner known to the person skilled in the art.
  • the invention further comprises a data carrier, in particular a value document, such as a banknote, a passport, a document, an identity card or the like, which is equipped with a security element of the type described.
  • a data carrier in particular a value document, such as a banknote, a passport, a document, an identity card or the like, which is equipped with a security element of the type described.
  • the data carrier may also be a continuous material, such as an endless roll material for security threads.
  • the security element according to the invention can advantageously also be transferred to a data carrier by means of a trans method (for example "hot stamping").
  • Fig. 1 is a schematic representation of a banknote with a security thread according to the invention
  • Fig. 2 and 3 two designs of security threads with magnetic
  • Fig. 5 shows the security thread of Fig. 4 in cross section along the
  • FIG. 6 shows a security thread according to a further exemplary embodiment of the invention, which contains area-wise open frame-shaped magnetic elements instead of closed magnetic frames, FIG.
  • FIG. 11 shows a further embodiment of the invention, wherein the
  • FIG. 1 shows a schematic representation of a banknote 10 with a window security thread 12 which emerges at certain window areas on the surface of the banknote 10, while it is embedded in the intervening areas inside the banknote 10.
  • the window security thread 12 contains machine-readable magnetic areas, which have excellent detectability in both transport directions of the banknote used in the machine authenticity check.
  • the transport direction 14, in which the transport takes place along the main axis of the thread, is referred to as a transverse transport, since the transport takes place in the transverse direction of the banknote 10.
  • the transport direction 16, in which the transport takes place transversely to the main thread axis referred to as longitudinal transport
  • the banknote 10 is transported by a transport system to a magnetic sensor which reads out the magnetic information integrated in the security thread 12 inductively or magnetoresistively.
  • magnetic sensors are often used track-based sensors with a limited number of adjacent measuring tracks, so that may be present for a good Ausleseshing no too large gaps in the magnetic information.
  • FIG. 2 and 3 show first two known designs of machine-readable magnetic regions according to the prior art.
  • the security 20 of FIG. 2 has two magnetic edge track strips 22 which are arranged on opposite longitudinal thread edges and separated by magnet-free regions 24.
  • the signal detection is improved by gaps 26 in the magnetic RandspurstMail 22, which generate an alternating sequence of magnetic and non-magnetic areas and thus lead to a modulation of the detected signal.
  • a negative writing 28 may be provided, wherein the text height of the negative writing 28 is limited by the width of the magnetic edge track strips 22 and the printing tolerances.
  • the magnetic design of the security thread 30 of FIG. 3 consists of a sequence of magnetic blocks 32 which are separated from each other by magnet-free regions 34. Magnetic information of the magnetic blocks 32 can be easily read in the transverse transport 14 in this design, since wide magnetic surfaces 32 are available for the sensor and the detected signal is modulated by the sequence of magnetic regions 32 and magnet-free regions 34.
  • the magnet-free regions 34 may be provided a negative writing 36 whose text height is not limited by the presence of the magnetic layer 32.
  • the relatively large gaps 34 between the magnetic blocks 32 can lead to difficulties in reading in the longitudinal transport 16, in particular when used with trained magnetic sensors.
  • the security threads each comprise a plastic carrier foil with a longitudinal direction corresponding to the main thread axis or the thread running direction, and a transverse direction perpendicular to the longitudinal direction.
  • a magnetic layer is arranged with a plurality of frame-shaped magnetic elements which form machine-readable magnetic regions and which are arranged one after the other along the longitudinal direction of the carrier film.
  • a presently preferred embodiment of a security thread 40 according to the invention is shown in plan view in FIG. 4 and in cross-section along the line V-V in FIG. 5.
  • a magnetic layer of a plurality of spaced, closed magnetic frames 44 is arranged on a transparent plastic support film 42 and each occupies the entire width of the support film (dimension perpendicular to the main line axis).
  • the magnetic frame 44 are rectangular and have only linear inner and outer boundaries. The inner and outer boundaries extend exclusively parallel or perpendicular to the longitudinal direction of the thread. Adjacent magnetic frames 44 are each separated by narrow magnet-free regions 46.
  • the magnetic frames 44 have an extension of 5 mm to 40 mm, preferably 8 mm to 20 mm, along the thread longitudinal direction, and an extension of 2 mm to 6 mm, preferably 3 mm to 4 mm, in the transverse direction of the thread.
  • the width of the webs of the magnetic frame 44 is located between the webs 44-1 extending along the main axis of the thread
  • the remanent band flow the magnetic frame 44 is preferably between 120 nWb / m and
  • the vertical frame struts 44-2 which run transversely to the main axis of the thread, produce a read-out signal greatly improved over known designs according to FIG. 2, since a larger magnetic surface is available in the read-out direction.
  • the gaps 46 can be made significantly smaller than the gaps 34 in known designs according to FIG. 3, since the see-through areas are not limited to the gap areas 46, but can additionally or even exclusively be arranged within the magnetic frames 44. Therefore, the design according to the invention of FIG. 4 produces a significantly improved read-out signal compared to designs according to FIG. 3, in particular when using the spun magnetic sensors. As a result, the overlapping areas of sensors and magnetic frames 44 to be taken into account in the thread design can be kept smaller and the designer given greater freedom of design.
  • an opaque thin-film element 50 with a color-shift effect is further applied on the side of the carrier foil 42 opposite the magnetic frame 44, for example vapor-deposited in the PVD process.
  • the layer structure of the thin-film element typically includes a reflective layer, a dielectric intermediate layer and a semitransparent cladding starting from the carrier foil 42. absorber layer.
  • another optically variable security element may be provided, for example a diffractive diffraction structure, such as a hologram or an optically variable coating, which has a combination of color-variable and color-constant regions.
  • the thin-film element 50 is provided with recesses 52, in which the otherwise opaque thread structure is transparent or translucent, and therefore when illuminated in transmitted light brightly appear as see-through areas, for example as a negative pattern 54, 56 in appearance.
  • a part of the recesses 52 forms a negative writing 54 enclosed by the magnetic frames 44 of the magnetic layer as shown in FIG.
  • Another part of the recesses 52 forms a negative pattern 56, which is arranged in the magnet-free regions 46 between the magnetic frame 44, as also shown in Fig. 4. Since the negative patterns 56 are arranged in magnet-free regions 46 of the security thread 40, they can occupy substantially the entire thread width and, unlike the thread design shown in FIG. 2, are not limited by the web width of the magnetic elements.
  • the negative patterns 56 may be composed of small micro-signs 58 having a letter height of less than 1 mm, for example about 0.6 mm. This is possible in the designs according to the invention, since the micro-marks 58 of the negative patterns 56 are present only in magnetic-layer-free regions and thus form highly transparent regions within the security thread. This is in contrast to other designs in which a largely, but necessarily not completely transparent magnetic pressure is present over the entire surface of a security thread.
  • Negative patterns in a ner metallization or a color-shifting thin-film element always appear in such designs with a clearly recognizable gray haze, which makes the use of very small negative patterns, such as the above-mentioned micro-character or the use of rasterized writings, greatly difficult or even impossible in the rule , In the design of FIG. 2 too, the limitation by the two edge track strips 22 is too serious to be able to produce sufficiently large microcharacters.
  • Fig. 6 shows a further embodiment of the invention, in which the security thread 60 contains area-wise open framelike magnetic elements 62 instead of closed magnetic frame.
  • Each of the frame-shaped magnetic elements 62 consists of a transverse web 62-2 extending transversely to the main axis of the yarn and a longitudinal web 62-1 extending alternately at the upper and lower yarn edges and extending along the main axis of the yarn.
  • the frame-shaped magnetic elements 62 are joined together without clearance and thus form a continuous, alternately upwardly and downwardly open frame, as shown in Fig. 6.
  • the information given in Fig. 4 apply.
  • the security thread 60 also has an opaque thin-film element 64 of the type already described in connection with FIG. 4, which is provided with recesses in the form of a negative writing 66.
  • the frame-shaped magnetic elements 62 are arranged around the negative writing 66 formed by the recesses, as illustrated in FIG. 6.
  • the open frame design of FIG. 6 also forms magnetic information which exhibits excellent detection behavior both in transverse transport and in longitudinal transport. Generate during cross transport the transverse webs 62-2 a comparison with designs of FIG. 2 greatly improved readout signal. Even with the longitudinal transport, the read-out signal is greatly improved over designs according to FIG. 3, since the alternately open frame design has no gaps in the longitudinal direction.
  • the embodiments of Figures 7 and 8 show two further designs with partially open frame-shaped magnetic elements.
  • the security thread 70 of FIG. 7 includes a plurality of spaced ridged-shaped magnetic elements 72, each consisting of a plurality of longitudinal and transverse webs, wherein all boundary lines extend either perpendicular or parallel to the thread edges.
  • the longitudinal or transverse webs used can each have the same width as shown in FIG. 7, but they can also have different widths in other configurations.
  • the security thread 70 has, in addition to the magnetic layer, an optically variable security feature 74, in the exemplary embodiment a hologram, which is provided with recesses in the form of a negative writing 76 and a negative pattern 78. As illustrated in FIG. 7, the frame-shaped magnet members 72 are disposed about the negative writing 76 formed by the recesses, while the negative pattern 78 is disposed between the spaced magnet members 72 in magnet-free regions, and therefore substantially up to the thread edges of the security thread 70 can extend.
  • an optically variable security feature 74 in the exemplary embodiment a hologram, which is provided with recesses in the form of a negative writing 76 and a negative pattern 78.
  • negative letter 76 of upper and lower letters "P" and / or "L” also be designed such that the large letters form a first information and the small letters form a second information. It can be provided that the first information is visually recognizable without aids and the second information is visually difficult to resolve due to their smaller size compared to the first information.
  • EP 0 659 587 B1 the disclosure of which is incorporated into the present description.
  • Embodiments can also be used for the security element according to the invention, in which first information and second information are provided, wherein the second information is shown as a positive font and has the same shape as the first information, and wherein the first and the second information are interleaved arranged that the second information has a blank environment.
  • first information and second information are provided, wherein the second information is shown as a positive font and has the same shape as the first information, and wherein the first and the second information are interleaved arranged that the second information has a blank environment.
  • the security thread 80 shown in FIG. 8 respectively contains a plurality of first and second frame-shaped magnetic elements 82, 84, which are designed to be mirror images of one another. Between a second magnetic element 84 and the adjacent first magnetic element 82, a magnet-free region 86 is provided in each case. In the exemplary embodiment, each of a first and a second magnetic element 82, 84 abut each other without a gap, but in other configurations, a magnet-free space may also be provided here.
  • the security thread 80 further comprises an optically variable security feature 88 which is provided with recesses in the form of negative writing 90 and a negative pattern 92.
  • the frame-shaped first and second magnetic elements 82, 84 are arranged around the negative characters 90 formed by the recesses, while the negative pattern 92 is arranged outside the magnetic elements 82, 84 in a magnet-free region and substantially up to the thread edges of the security thread 80 extends.
  • the designs of FIGS. 7 and 8 have excellent detection behavior due to the transverse webs of the frame-shaped magnetic elements 72, 82, 84 and the narrow gaps between the adjacent magnetic elements both in transverse transport and in longitudinal transport. In the magnet-free regions, the height of the negative patterns 78, 92 is limited only by the thread width. In this case, micro-characters or screened fonts can be used, since there is no visually disturbing background by magnetic material in the region of the negative patterns 78, 92.
  • FIG. 9 shows a security thread 100 according to another embodiment of the invention having a plurality of spaced, closed magnetic frames 102 of the type already described in FIG. 4.
  • the security thread 100 further contains an optically variable security feature 104 with recesses 106, wherein, unlike the designs of FIGS. 4 to 8, the recesses do not form the desired information, here the letter sequence "PL", but the opaque areas 108 of the security feature 104.
  • the opaque regions 108 may be, for example, areas of a metallization which have been left standing during a demetallization step or else to act only a partially applied colored, opaque layer.
  • the letter sequence "PL" is then no negative information (as in Figs. 4 to 8), but a positive information.
  • a designation as positive or negative information is merely a convention, since, of course, the recesses 106 also follow the outlines of the letter sequence "PL" and therefore they have the same information content in inverse representation as the opaque ones Have areas 108.
  • geometric or abstract patterns it is often not possible to clearly state whether the pattern itself or the inverse pattern is a positive representation or a negative representation.
  • the characters 110 located between the magnetic frames 102 in non-magnetic regions may be not only negatively represented as shown in Figs. 4, 7 and 8, but also be a positive representation of the desired information, here the denomination "10" shown in Fig. 9.
  • Embodiment 120 of FIG. 10 illustrates that the information presented in the see-through areas may be not just alphanumeric strings, but any patterns, such as the star shapes 122, 124 shown as an example.
  • FIG. 11 shows a further embodiment of the invention, in which the carrier 136 to which the frame-shaped magnetic elements 132 are applied is itself not part of the security element 130. It is understood that the area of the data carrier, which is printed with the frame-shaped magnetic elements, by printing becomes part of the elongate security element according to the invention.
  • the elongated safety 11 is an imprinted security thread, in which the magnetic layer 134 with the multiplicity of frame-shaped agnet elements 132 is printed directly on the data carrier substrate, in particular a security paper 136 of a banknote 140.
  • the frame-shaped magnetic elements 132 can also be combined in this variant of the invention with other security features, such as recesses, see-through areas or optically variable security features, as already basically described above.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Credit Cards Or The Like (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)

Abstract

The invention relates to an elongated security feature (40) for security papers, value documents or similar, said feature having a longitudinal direction and a transverse direction running perpendicular to the longitudinal direction and having a magnetic layer (44) that is situated on a support and that contains machine-readable magnetic regions. According to the invention, the magnetic layer comprises a plurality of frame-type magnetic elements (44, 62, 72, 82, 84) that contain the machine-readable magnetic regions and that are arranged in the longitudinal direction of the elongated security feature (40). A plastic carrier film, on which the frame-type magnetic elements (44, 62, 72, 82, 84) are located, forms the support for said security feature. The frame-type magnetic elements (44, 62, 72, 82, 84) cover the entire width of the support film in the transverse direction.

Description

Langgestrecktes Sicherheitselement mit maschinenlesbaren magnetischen  Elongated security element with machine-readable magnetic
Bereichen  areas
Die Erfindung betrifft ein langgestrecktes Sicherheitselement für Sicherheitspapiere, Wertdokumente und dergleichen, mit einer Längsrichtung und einer zur Längsrichtung senkrechten Querrichtung, und mit einer auf einem Träger angeordneten magnetischen Schicht, die maschinenlesbare magnetische Bereiche enthält. Die Erfindung betrifft ferner ein Verfahren zur Her- Stellung eines derartigen Sicherheitselements sowie einen entsprechend ausgestatteten Datenträger. The invention relates to an elongate security element for security papers, documents of value and the like, having a longitudinal direction and a transverse direction perpendicular to the longitudinal direction, and having a magnetic layer arranged on a carrier and containing machine-readable magnetic regions. The invention further relates to a method for producing such a security element and a correspondingly equipped data carrier.
Datenträger, wie Wert- oder Ausweisdokumente, aber auch andere Wertgegenstände, wie etwa Markenartikel, werden zur Absicherung oft mit Sicher- heitselementen versehen, die eine Überprüfung der Echtheit des Datenträgers gestatten und die zugleich als Schutz vor unerlaubter Reproduktion dienen. Die Sicherheitselemente sind beispielsweise in Form eines in eine Banknote ganz oder teilweise eingebetteten Sicherheitsfadens ausgebildet. Um eine automatische Echtheitsprüfung und gegebenenfalls eine weitergehende sensorische Erfassung und Bearbeitung der damit versehenen Dokumente zu ermöglichen, sind die Sicherheitselemente oft mit maschinenlesbaren Codierungen versehen. Ein Beispiel für ein maschinenlesbares Sicherheitselement für Banknoten ist ein Sicherheitsfaden mit maschinenlesbaren magnetischen Bereichen, deren Informationsgehalt bei der Echtheitsprüfung von dem Magnetsensor eines Banknotenbearbeitungssystems erfasst und ausgewertet werden kann. In bekannten Gestaltungen kann die Erfassung der magnetischen Bereiche dabei problematisch sein, beispielsweise wenn ein Sensor eines spurbasierten Magnetsensors bei der gewählten Transport- richtung der Banknoten auf eine nichtmagnetische Lücke zwischen den magnetischen Bereichen trifft. Data carriers, such as securities or identity documents, but also other valuables, such as branded articles, are often provided with security elements for the purpose of security, which permit verification of the authenticity of the data carrier and at the same time serve as protection against unauthorized reproduction. The security elements are embodied, for example, in the form of a security thread which is wholly or partly embedded in a banknote. In order to enable an automatic authenticity check and possibly a more extensive sensory detection and processing of the documents provided with it, the security elements are often provided with machine-readable codings. An example of a machine-readable security element for banknotes is a security thread with machine-readable magnetic areas, the information content of which can be detected and evaluated by the magnetic sensor of a banknote processing system during the authenticity check. In known designs, the detection of the magnetic regions can be problematic, for example if a sensor of a track-based magnetic sensor strikes a nonmagnetic gap between the magnetic regions in the selected transport direction of the bank notes.
BESTÄTIGUNGSKOPIE Auch stellt das Vorsehen maschinenlesbarer magnetischer Bereiche oft einschränkende Bedingungen an das visuell sichtbare Design eines Sicherheitsfadens, etwa weil der für visuelle Designelemente zur Verfügung stehende Platz limitiert wird, oder weil das magnetische Material die Transparenz von Negativschriftbereichen beeinträchtigt. CONFIRMATION COPY Also, the provision of machine-readable magnetic areas often places restrictive conditions on the visually-apparent design of a security thread, for example because the space available for visual design elements is limited, or because the magnetic material interferes with the transparency of negative writing areas.
Davon ausgehend liegt der Erfindung die Aufgabe zugrunde, ein gattungsgemäßes Sicherheitselement anzugeben, das die Nachteile des Stands der Technik vermeidet oder vermindert. Insbesondere soll eine einfache und si- chere Detektion der maschinenlesbaren magnetischen Bereiche mit einem visuell attraktiven Erscheinungsbild und großer Gestaltungsfreiheit für den Designer verknüpft werden. On this basis, the invention has for its object to provide a generic security element that avoids or reduces the disadvantages of the prior art. In particular, a simple and reliable detection of the machine-readable magnetic regions should be linked with a visually attractive appearance and great design freedom for the designer.
Diese Aufgabe wird durch das Sicherheitselement mit den Merkmalen des Hauptanspruchs gelöst. Ein Verfahren zum Herstellen eines derartigen Sicherheitselements und ein Datenträger mit einem solchen Sicherheitselement sind in den nebengeordneten Ansprüchen angegeben. Weiterbildungen der Erfindung sind Gegenstand der Unter ansprüche. Gemäß der Erfindung umfasst die magnetische Schicht bei einem Sicherheitselement der eingangs genannten Art eine Vielzahl rahmenförmiger Magnetelemente, die die maschinenlesbaren magnetischen Bereiche enthalten, und die entlang der Längsrichtung des langgestreckten Sicherheitselements angeordnet sind. Ein Sicherheitselement wird dabei dann als langge- streckt bezeichnet, wenn seine Ausdehnung in Längsrichtung mehr als doppelt so groß ist wie seine Ausdehnung in Querrichtung. Bei typischen langgestreckten Sicherheitselementen, wie etwa einem Sicherheitsfaden, Sicherheitsband oder Sicherheitsstreifen ist die Längsrichtung dabei die Faden-, Band- oder Streifenhauptachse bzw. die Faden-, Band- oder Streifenlaufrich- rung. Das Verhältnis von Ausdehnung in Längsrichtung zur Ausdehnung in Querrichtung ist dabei meist deutlich größer als 2 und liegt in der Regel zwischen etwa 3,5 und etwa 40. Die rahmenförmigen Magnetelemente sind bevorzugt rechteckig ausgebildet und weisen nur lineare Innen- und Außenbegrenzungen, also insbesondere keine gekrümmten, gezackten oder gebogenen Begrenzungen auf. Vorteilhaft erstrecken sich die Begrenzungen der rahmenförmigen Magnetelemente nur entweder parallel oder senkrecht zur Längsrichtung des langgestreckten Sicherheitselements. This object is achieved by the security element having the features of the main claim. A method for producing such a security element and a data carrier with such a security element are specified in the independent claims. Further developments of the invention are the subject of the subclaims. According to the invention, in a security element of the aforementioned type, the magnetic layer comprises a plurality of frame-shaped magnetic elements which contain the machine-readable magnetic regions and which are arranged along the longitudinal direction of the elongate security element. In this case, a security element is referred to as being elongate if its extent in the longitudinal direction is more than twice as great as its extent in the transverse direction. In the case of typical elongate security elements, such as a security thread, security strip or security strip, the longitudinal direction is the main thread, strip or strip axis or the thread, strip or strip running direction. tion. The ratio of expansion in the longitudinal direction to the extent in the transverse direction is usually significantly greater than 2 and is usually between about 3.5 and about 40. The frame-shaped magnetic elements are preferably rectangular and have only linear inner and outer boundaries, ie in particular none curved, jagged or curved boundaries. Advantageously, the boundaries of the frame-shaped magnetic elements extend only either parallel or perpendicular to the longitudinal direction of the elongated security element.
In einer Erfindungsvariante bilden die rahmenförmigen Magnetelemente bereichsweise geöffnete Magnetrahmen, die entweder unmittelbar aneinander anschließen oder beabstandet angeordnet sind. Besonders bevorzugt ist allerdings gegenwärtig die Erfindungsvariante, bei der die rahmenförmigen Magnetelemente beabstandete, geschlossene Magnetrahmen bilden. In a variant of the invention, the frame-shaped magnetic elements form partially open magnetic frames, which are either directly adjoining each other or spaced apart. Particularly preferred, however, is currently the variant of the invention in which the frame-shaped magnetic elements form spaced, closed magnetic frames.
In allen Gestaltungen sind die rahmenförmigen Magnetelemente mit Vorteil jeweils um weitere Sicherheitsmerkmale herum angeordnet, wobei in der gegenwärtig besonders bevorzugten Variante die rahmenförmigen Magnetelemente geschlossene Magnetrahmen bilden, die die weiteren Sicherheitsmerkmale einschließen, so dass diese in dem magnetfreien Innenbereich der Magnetrahmen liegen. Als weitere Sicherheitsmerkmale kommen insbesondere Durchsichtsbereiche mit einer Durchsichtsinformation in Betracht, die beispielsweise durch Negativmusterbereiche, wie etwa einer Negativschrift oder anderen Negativmotiven, gebildet sein können. Die Durchsichtsbereiche stellen insbesondere transparente oder semitransparente Bereiche in ansonsten opaken Schichten dar und können beispielsweise durch Aussparun- gen in einer farbigen opaken Schicht oder durch Demetallisation einer Metallschicht gebildet sein. In all configurations, the frame-shaped magnet elements are advantageously arranged around further security features, wherein in the presently particularly preferred variant, the frame-shaped magnet elements form closed magnetic frames that enclose the further security features so that they lie in the magnet-free inner region of the magnet frames. In particular, see-through areas with a see-through information which can be formed, for example, by negative-pattern areas, such as a negative writing or other negative motifs, come into consideration as further security features. The see-through areas represent, in particular, transparent or semitransparent areas in otherwise opaque layers and can be realized, for example, by outsourcing. be formed in a colored opaque layer or by demetallization of a metal layer.
Die Durchsichtsinformation kann eine Positivdarstellung sein, bei der die darzustellende Information, beispielsweise eine Buchstabenfolge, durch die opaken Bereiche gebildet ist, sie kann aber auch eine Negativdarstellung sein, bei der die darzustellende Information durch Lücken in den opaken Bereichen gebildet ist. Die Durchsichtsinformation kann auch eine Kombination von Positiv- und Negativdarstellung umfassen oder kann ein geometri- sches oder abstraktes Muster darstellen, bei dem oft nicht festgelegt werden kann, ob die Information in Positivdarstellung oder Negativdarstellung vorliegt. The see-through information may be a positive representation in which the information to be displayed, for example a letter sequence, is formed by the opaque regions, but it may also be a negative representation in which the information to be represented is formed by gaps in the opaque regions. The review information may also comprise a combination of positive and negative representations, or may represent a geometric or abstract pattern that often can not determine whether the information is in positive or negative representation.
Auch optisch variable Sicherheitsmerkmale kommen erfindungsgemäß als weitere Sicherheitsmerkmale in Betracht. Bei den optisch variablen Sicherheitsmerkmalen kann es sich insbesondere um farbkippende Dünnschichtelemente, um Flüssigkristallbeschichtungen, um optisch variable Pigmente, um diffraktive Beugungsstrukturen, wie etwa Hologramme, oder auch um optisch variable Beschichtungen handeln, die eine Kombination von farbva- riablen und farbkonstanten Bereichen aufweisen. Optically variable security features also come into consideration according to the invention as further security features. The optically variable security features may, in particular, be color-shifting thin-film elements, liquid-crystal coatings, optically variable pigments, diffractive diffraction structures, such as holograms, or also optically variable coatings which have a combination of color-variable and color-constant regions.
Die rahmenförmigen Magnetelemente weisen vorzugsweise einen remanen- ten Bandfluss zwischen 120 nWb/m und 500 nWb/m auf. Dabei ist der re- manente Bandfluss der magnetische Fluss pro Längeneinheit, der aus der Kante eines erfindungsgemäßen langgestreckten Sicherheitselements austritt. Multipliziert man den remanenten Bandfluss mit der Länge von 1 m, so erhält man den Gesamtfluss, der aus 1 m des langgestreckten Sicherheitselements austritt. In einer bevorzugten konkreten Ausgestaltung weisen die rahmenförmigen Magnetelemente entlang der Längsrichtung eine Stegbreite zwischen 0,1 mm und 1,5 mm, vorzugsweise zwischen 0,2 mm und 0,4 mm auf. Entlang der Querrichtung beträgt die Stegbreite mit Vorteil zwischen 0,1 mm und 4 mm, vorzugsweise etwa 1 mm. The frame-shaped magnetic elements preferably have a remanent belt flow between 120 nWb / m and 500 nWb / m. In this case, the re- spective ribbon flow is the magnetic flux per unit length that emerges from the edge of an elongate security element according to the invention. If one multiplies the remanent band flow with the length of 1 m, one obtains the total flow, which emerges from 1 m of the elongated security element. In a preferred specific embodiment, the frame-shaped magnetic elements along the longitudinal direction of a web width between 0.1 mm and 1.5 mm, preferably between 0.2 mm and 0.4 mm. Along the transverse direction, the web width is advantageously between 0.1 mm and 4 mm, preferably about 1 mm.
In einer Weiterbildung der Erfindung sind außerhalb der rahmenförmigen Magnetelemente visuell erkennbare Zeichen, Muster oder Codierungen, insbesondere visuell erkennbare Durchsichtsbereiche oder Farbmotive, ange- ordnet. Auch hier können die Durchsichtsbereiche beispielsweise durch Negativmusterbereiche, wie etwa Negativschriften oder andere Negativmotive, oder auch durch entsprechende Positivmusterbereiche gebildet sein. In one development of the invention, visually recognizable characters, patterns or codes, in particular visually recognizable see-through areas or color motifs, are arranged outside the frame-shaped magnetic elements. Again, the see-through areas may be formed for example by negative pattern areas, such as negatives or other negative motifs, or by corresponding positive pattern areas.
In einer vorteilhaften Erfindungsvariante sind die rahmenförmigen Magnet- elemente auf einen Datenträger, der selbst nicht Teil des Sicherheitselements ist, aufgedruckt. Beispielsweise kann die magnetische Schicht mit den rahmenförmigen Magnetelementen auf ein Sicherheitspapier, ein Sicherheitsdokument oder ein Wertdokument aufgedruckt sein. Es versteht sich, dass der Bereich des Datenträgers, der mit den rahmenförmigen Magnetelementen bedruckt wird, durch die Bedruckung zu einem Teil des erfindungsgemäßen langgestreckten Sicherheitselements wird. Insbesondere kann es sich bei dem Datenträger um eine Papierbanknote mit einem Substrat aus Papier, insbesondere Baumwollpapier, um eine Polymerbanknote mit einem Substrat aus einem Kunststoffmaterial oder um eine Folien- Verbundbanknote handeln. Selbstverständlich kann als Substrat für den für den Aufdruck der rahmenförmigen Magnetelemente vorgesehenen Datenträger auch Papier eingesetzt werden, welches einen Anteil x polymeren Materials im Bereich von 0 < x < 100 Gew.-% enthält. Handelt es sich bei dem Datenträger um ein Substrat aus einem Kunststoffmaterial, sind insbesondere Kunststofffolien aus Polyethylen (PE), Polyethylenterephthalat (PET), Polybutylenterephtha- lat (PBT), Polyethylennaphthalat (PEN), Polypropylen (PP), Polyamid (PA) oder einschichtige Verbundsubstrate aus diesen Kunststoffmaterialien bevorzugt. Ferner kann das Substrat als mehrschichtiger Folienverbund ausge- bildet sein, insbesondere als ein Verbund mehrerer unterschiedlicher Kunststofffolien (Kompositverbund) oder als Papier-Folien- Verbund. Die Folien des Verbundes können dabei z. B. aus den vorstehend genannten Kunststoffmaterialien gebildet sein. Ein solcher Verbund zeichnet sich durch eine außerordentlich große Stabilität aus, was für die Haltbarkeit des Sicherheits- elements von großem Vorteil ist. Auch können diese Verbundmaterialien in bestimmten Klimaregionen der Erde mit großem Vorteil eingesetzt werden. In an advantageous variant of the invention, the frame-shaped magnetic elements are printed on a data carrier which itself is not part of the security element. For example, the magnetic layer may be printed with the frame-shaped magnetic elements on a security paper, a security document or a document of value. It is understood that the area of the data carrier, which is printed with the frame-shaped magnetic elements, by printing becomes part of the elongate security element according to the invention. In particular, the data carrier can be a paper banknote having a substrate made of paper, in particular cotton paper, a polymer banknote having a substrate made of a plastic material or a film composite banknote. Of course, as a substrate for the intended for the printing of the frame-shaped magnetic elements disk also paper can be used which contains a proportion x polymeric material in the range of 0 <x <100 wt .-%. If the data medium is a substrate made of a plastic material, in particular plastic films are used polyethylene (PE), polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polyethylene naphthalate (PEN), polypropylene (PP), polyamide (PA) or single-layer composite substrates of these plastics materials. Furthermore, the substrate may be formed as a multilayer film composite, in particular as a composite of a plurality of different plastic films (composite composite) or as a paper-film composite. The films of the composite can be z. B. be formed from the aforementioned plastic materials. Such a composite is characterized by an extremely high stability, which is of great advantage for the durability of the security element. Also, these composite materials can be used in certain climatic regions of the earth with great advantage.
In einer besonders bevorzugten Erfindungsvariante weist der Papier-Folien- Verbund ein innen liegendes Basispapier und zwei außen liegende Folienla- gen auf, wie in der Druckschrift EP 1 545 902 Bl, deren Offenbarung insoweit in die vorliegende Beschreibung aufgenommen wird, genauer geschildert. Vorteilhaft ist auch der inverse Aufbau eines Papier-Folien- Verbunds, bei dem eine innen liegende Folie mit zwei außen liegenden Papierlagen versehen ist. In a particularly preferred variant of the invention, the paper-film composite has an inner base paper and two outer film layers, as described in more detail in EP 1 545 902 B1, the disclosure of which is incorporated in the present description. Also advantageous is the inverse structure of a paper-film composite, in which an inner film is provided with two outer layers of paper.
Generell ist noch anzumerken, dass bei den mehrschichtigen Folienverbund- substraten die rahmenförmigen Magnetelemente auf/ in der innen liegenden oder außen liegenden Schicht angeordnet sein können. Dies gilt sowohl für die Erfindungsvarianten mit aufgedruckten Magnetelementen als auch für erfindungsgemäße Sicherheitselemente mit Trägersubstrat. In general, it should also be noted that in the case of the multilayer composite film substrates, the frame-shaped magnetic elements can be arranged on / in the inner or outer layer. This applies both to the variants of the invention having printed-on magnetic elements and also to security elements according to the invention having a carrier substrate.
In einer anderen ebenfalls vorteilhaften Erfindungsvariante enthält das Sicherheitselement als Träger eine Kunststoff-Trägerfolie, auf der die rahmenförmigen Magnetelemente angeordnet sind. In einer zweckmäßigen Ausge- staltung nehmen die rahmenförmigen Magnetelemente dabei die gesamte Breite der Trägerfolie in Querrichtung ein. In another likewise advantageous variant of the invention, the security element contains as carrier a plastic carrier film on which the frame-shaped magnetic elements are arranged. In an expedient staltung take the frame-shaped magnetic elements while the entire width of the carrier film in the transverse direction.
In einer vorteilhaften Ausgestaltung sind die rahmenförmigen Magnetele- mente jeweils um weitere Sicherheitsmerkmale herum angeordnet und die rahmenförmigen Magnetelemente und die weiteren Sicherheitsmerkmale sind auf gegenüberliegenden Seiten der Trägerfolie angeordnet. Liegen die Magnetelemente und die weiteren Sicherheitsmerkmale nicht in derselben Ebene, so bezieht sich die Angabe, dass die rahmenförmigen Magnetelemen- te um die weitere Sicherheitsmerkmale herum angeordnet sein sollen, auf die Projektion der Magnetelemente in die Ebene der weiteren Sicherheitsmerkmale. So sind beispielsweise die Magnetrahmen 44 der Figuren 4 und 5 nach dem Sprachgebrauch der vorliegenden Beschreibung um die Negativschrift 54 herum angeordnet, weil die Projektion der Magnetrahmen 44 in die Ebene des Dünnschichtelements 50 um die Negativschrift 54 herum angeordnet ist. Entsprechend zeigt die Aufsicht der Fig. 4, dass die Negativschrift 54 von den Magnetrahmen 44 eingeschlossen ist und innerhalb der Rahmen 44 liegt. Vorzugsweise sind außerhalb der rahmenförmigen Magnetelemente visuell erkennbare Zeichen, Muster oder Codierungen, insbesondere visuell erkennbare Durchsichtsbereiche oder Farbmotive, angeordnet, die im Wesentlichen die gesamte Breite der Trägerfolie in Querrichtung einnehmen. Die Formulierung "im Wesentlichen die gesamte Breite der Trägerfolie" trägt da- bei der Tatsache Rechnung, dass sich nicht alle Motive bis zu den Kanten der Träger erstrecken können. Beispielsweise müssen Negativschriftzeichen immer einen gewissen Abstand zu den Kanten der Trägerfolie einhalten, um als solche noch gut erkennbar zu sein. Wesentlich ist vorliegend jedoch, dass die für die Motive nutzbare Breite der Trägerfolie im Bereich außerhalb der rahmenförmigen Magnetelemente nicht durch die magnetische Schicht beschränkt ist. Insbesondere können die Motive, also die visuell erkennbaren Zeichen, Muster oder Codierungen in Querrichtung der Trägerfolie eine Ausdehnung aufweisen, die größer ist als die Breite der Trägerfolie minus der doppelten Stegbreite der rahmenförmigen Magnetelemente entlang der Längsrichtung der Trägerfolie. In an advantageous embodiment, the frame-shaped Magnetele- elements are each arranged around other security features around and the frame-shaped magnetic elements and the other security features are arranged on opposite sides of the carrier film. If the magnetic elements and the further security features are not in the same plane, the statement that the frame-shaped magnet elements should be arranged around the further security features relates to the projection of the magnetic elements into the plane of the further security features. For example, the magnetic frames 44 of FIGS. 4 and 5 are arranged around the negative writing 54 as used in the present description, because the projection of the magnetic frames 44 is disposed in the plane of the thin-film element 50 around the negative writing 54. Accordingly, the plan view of FIG. 4 shows that the negative writing 54 is enclosed by the magnetic frames 44 and lies within the frames 44. Preferably, outside the frame-shaped magnetic elements, visually recognizable characters, patterns or codes, in particular visually recognizable see-through areas or color motifs, are arranged, which occupy substantially the entire width of the carrier film in the transverse direction. The wording "substantially the entire width of the carrier film" takes into account the fact that not all motifs can extend to the edges of the carriers. For example, negative characters always have to maintain a certain distance from the edges of the carrier film so that they are still easily recognizable as such. It is essential in the present case, however, that the usable width for the motifs of the carrier film in the area outside the frame-shaped magnetic elements is not limited by the magnetic layer. In particular, the motifs, that is to say the visually recognizable characters, patterns or codes in the transverse direction of the carrier film, can have an extent which is greater than the width of the carrier film minus twice the web width of the frame-shaped magnetic elements along the longitudinal direction of the carrier film.
Bevorzugt ist das Sicherheitselement ein Sicherheitsfaden, ein Sicherheitsband ein Sicherheitsstreifen oder ein auf einen Datenträger aufgedruckter Sicherheitsfaden. The security element is preferably a security thread, a security band a security strip or a security thread printed on a data carrier.
Die Erfindung umfasst auch ein Verfahren zum Herstellen eines Sicherheitselements der oben beschriebenen Art, bei dem eine magnetische Schicht auf einem Träger angeordnet wird, wobei die magnetische Schicht mit einer Vielzahl rahmenförmiger Magnetelemente ausgebildet wird, die die maschinenlesbaren magnetischen Bereiche enthalten, und die entlang der Längsrichtung des langgestreckten Sicherheitselements angeordnet werden. The invention also encompasses a method for producing a security element of the type described above, in which a magnetic layer is arranged on a carrier, wherein the magnetic layer is formed with a plurality of frame-shaped magnetic elements, which contain the machine-readable magnetic regions, and along the longitudinal direction the elongate security element are arranged.
In einer vorteilhaften Erfindungsvariante wird die magnetische Schicht dabei mit der Vielzahl rahmenförmiger Magnetelemente auf einen Datenträger, der selbst nicht Teil des Sicherheitselements ist, aufgedruckt. In an advantageous variant of the invention, the magnetic layer is printed with the plurality of frame-shaped magnetic elements on a data carrier, which itself is not part of the security element.
Bei einer anderen, ebenfalls vorteilhaften Erfindungsvariante umfasst das Verfahren die Schritte: In another, likewise advantageous variant of the invention, the method comprises the steps:
Bereitstellen einer Kunststoff -Trägerfolie mit einer Längsrichtung und einer zur Längsrichtung senkrechten Querrichtung, und Anordnen der magnetischen Schicht mit der Vielzahl rahmenförmiger Magnetelemente auf der Trägerfolie. Providing a plastic carrier sheet having a longitudinal direction and a transverse direction perpendicular to the longitudinal direction, and Arranging the magnetic layer with the plurality of frame-shaped magnetic elements on the carrier film.
In beiden Varianten werden die rahmenförmigen Magnetelemente bevor- zugt jeweils um weitere Sicherheitsmerkmale herum angeordnet, wobei besonders bevorzugt die rahmenförmigen Magnetelemente als geschlossene Magnetrahmen ausgebildet werden, die die weiteren Sicherheitsmerkmale einschließen. Bei der zweitgenannten Erfindungsvariante werden die rahmenförmigen Magnetelemente und die weiteren Sicherheitsmerkmale mit Vorteil auf gegenüberliegenden Seiten der Trägerfolie angeordnet. Die weiteren Sicherheitsmerkmale können je nach Art des Sicherheitsmerkmals auf edruckt, aufgedampft oder auf eine sonstige dem Fachmann bekannte Art auf ge- bracht werden. In both variants, the frame-shaped magnet elements are preferably each arranged around further security features, with the frame-shaped magnet elements particularly preferably being formed as closed magnetic frames, which include the further security features. In the second variant of the invention, the frame-shaped magnetic elements and the other security features are advantageously arranged on opposite sides of the carrier film. Depending on the nature of the security feature, the further security features can be printed on, vapor-deposited or applied in any other manner known to the person skilled in the art.
Die Erfindung umfasst weiter einen Datenträger, insbesondere ein Wertdokument, wie eine Banknote, einen Pass, eine Urkunde, eine Ausweiskarte oder dergleichen, der mit einem Sicherheitselement der beschriebenen Art ausgestattet ist. Der Datenträger kann auch ein Endlosmaterial, wie etwa ein endloses Rollenmaterial für Sicherheitsfäden, sein. The invention further comprises a data carrier, in particular a value document, such as a banknote, a passport, a document, an identity card or the like, which is equipped with a security element of the type described. The data carrier may also be a continuous material, such as an endless roll material for security threads.
Des Weiteren kann das erfindungsgemäße Sicherheitselement mit Vorteil auch durch ein Transverfahren (z.B.„hot stamping") auf einen Datenträger übertragen werden. Furthermore, the security element according to the invention can advantageously also be transferred to a data carrier by means of a trans method (for example "hot stamping").
Weitere Ausführungsbeispiele sowie Vorteile der Erfindung werden nachfolgend anhand der Figuren erläutert, bei deren Darstellung auf eine maß- stabs- und proportionsgetreue Wiedergabe verzichtet wurde, um die An- schaulichkeit zu erhöhen. Die verschiedenen Ausführungsbeispiele sind nicht auf die Verwendung in der konkret beschriebenen Form beschränkt, sondern können auch untereinander kombiniert werden. Es zeigen: Further exemplary embodiments as well as advantages of the invention are explained below with reference to the figures, in the representation of which a representation true to scale and proportion has been dispensed with in order to clarity. The various embodiments are not limited to use in the specific form described, but can also be combined with each other. Show it:
Fig. 1 eine schematische Darstellung einer Banknote mit einem erfindungsgemäßen Sicherheitsfaden, Fig. 2 und 3 zwei Gestaltungen von Sicherheitsfäden mit magnetischer Fig. 1 is a schematic representation of a banknote with a security thread according to the invention, Fig. 2 and 3 two designs of security threads with magnetic
Information nach dem Stand der Technik,  Information according to the prior art,
Fig. 4 einen Sicherheitsfaden nach einem Ausführungsbeispiel der 4 shows a security thread according to an embodiment of the
Erfindung in Aufsicht,  Invention in supervision,
Fig. 5 den Sicherheitsfaden der Fig. 4 im Querschnitt entlang der Fig. 5 shows the security thread of Fig. 4 in cross section along the
Linie V-V,  Line V-V,
Fig. 6 einen Sicherheitsfaden nach einem weiteren Ausführungsbei- spiel der Erfindung, der anstelle von geschlossenen Magnetrahmen bereichsweise geöffnete rahmenförmige Magnetelemente enthält, 6 shows a security thread according to a further exemplary embodiment of the invention, which contains area-wise open frame-shaped magnetic elements instead of closed magnetic frames, FIG.
Fig. 7 und 8 zwei weitere Ausführungsbeispiele der Erfindung mit bereichsweise geöffneten rahmenf örmigen Magnetelementen, 7 and 8 show two further embodiments of the invention with partially open frameliform magnetic elements,
Fig. 9 und 10 zwei weitere Ausführungsbeispiele der Erfindung, die weitere 9 and 10 show two further embodiments of the invention, the other
Varianten der Durchsichtsbereiche illustrieren, und Fig. 11 ein weiteres Ausführungsbeispiel der Erfindung, bei dem derIllustrate variants of the viewing areas, and Fig. 11 shows a further embodiment of the invention, wherein the
Träger, auf den die rahmenförmigen Magnetelemente aufgebracht sind, selbst nicht Teil des Sicherheitselements ist. Die Erfindung wird nun am Beispiel von Sicherheitselementen für Banknoten erläutert. Fig. 1 zeigt dazu eine schematische Darstellung einer Banknote 10 mit einem Fenstersicherheitsfaden 12, der an bestimmten Fensterbereichen an der Oberfläche der Banknote 10 hervortritt, während er in den dazwischen liegenden Bereichen im Inneren der Banknote 10 eingebettet ist. Der Fenster sicherheitsfaden 12 enthält maschinenlesbare magnetische Bereiche, die in beiden bei der maschinellen Echtheitsprüfung verwendeten Transportrichtungen der Banknote eine ausgezeichnete Detektierbarkeit aufweist. Die Transportrichtung 14, bei der der Transport längs zur Fadenhauptachse erfolgt, wird als Quertransport bezeichnet, da der Transport dabei in Querrichtung der Banknote 10 erfolgt. Entsprechend wird die Transportrichtung 16, bei der der Transport quer zur Fadenhauptachse erfolgt, als Längstransport bezeichnet, da der Transport dabei in Längsrichtung der Banknote 10 erfolgt. In beiden Fällen wird die Banknote 10 von einem Transportsystem an einem Magnetsensor vorbeitransportiert, der die in dem Sicherheitsfaden 12 integrierte magnetische Information induktiv oder magnetoresistiv ausliest. Als Magnetsensoren kommen oft spurbasierte Sensoren mit einer begrenzten Anzahl nebeneinanderliegender Messspuren zum Einsatz, so dass für ein gutes Ausleseergebnis keine zu großen Lücken in der magnetischen Information vorliegen dürfen. Carrier on which the frame-shaped magnetic elements are applied, itself is not part of the security element. The invention will now be explained using the example of security elements for banknotes. 1 shows a schematic representation of a banknote 10 with a window security thread 12 which emerges at certain window areas on the surface of the banknote 10, while it is embedded in the intervening areas inside the banknote 10. The window security thread 12 contains machine-readable magnetic areas, which have excellent detectability in both transport directions of the banknote used in the machine authenticity check. The transport direction 14, in which the transport takes place along the main axis of the thread, is referred to as a transverse transport, since the transport takes place in the transverse direction of the banknote 10. Accordingly, the transport direction 16, in which the transport takes place transversely to the main thread axis, referred to as longitudinal transport, since the transport takes place in the longitudinal direction of the banknote 10. In both cases, the banknote 10 is transported by a transport system to a magnetic sensor which reads out the magnetic information integrated in the security thread 12 inductively or magnetoresistively. As magnetic sensors are often used track-based sensors with a limited number of adjacent measuring tracks, so that may be present for a good Ausleseergebnis no too large gaps in the magnetic information.
Figuren 2 und 3 zeigen zunächst zwei bekannte Gestaltungen maschinenlesbarer magnetischer Bereiche nach dem Stand der Technik. Der Sicherheitsfa- den 20 der Fig. 2 weist zwei magnetische Randspurstreifen 22 auf, die an gegenüberliegenden Fadenlängskanten angeordnet und durch magnetfreie Bereiche 24 voneinander getrennt sind. Bei der Echtheitsprüfung im Quertransport 14 wird die Signalerfassung durch Lücken 26 in den magnetischen Randspurstreifen 22 verbessert, die einen Wechselfolge von magnetischen und nichtmagnetischen Bereichen erzeugen und damit zu einer Modulation des erfassten Signals führen. Figures 2 and 3 show first two known designs of machine-readable magnetic regions according to the prior art. The security 20 of FIG. 2 has two magnetic edge track strips 22 which are arranged on opposite longitudinal thread edges and separated by magnet-free regions 24. In the authenticity check in the transverse transport 14, the signal detection is improved by gaps 26 in the magnetic Randspurstreifen 22, which generate an alternating sequence of magnetic and non-magnetic areas and thus lead to a modulation of the detected signal.
Beim Längstransport 16 sind durch die kleinen Lücken 26 Schwierigkeiten bei der Signalerfassung mittels gespurter Magnetsensoren unwahrscheinlich. In den magnetfreien Bereichen 24 kann eine Negativschrift 28 vorgesehen sein, wobei die Texthöhe der Negativschrift 28 durch die Breite der magnetischen Randspurstreifen 22 und die Drucktoleranzen limitiert ist. Das Magnetdesign des Sicherheitsfadens 30 der Fig. 3 besteht aus einer Abfolge von Magnetblöcken 32, die durch magnetfreie Bereiche 34 voneinander getrennt sind. Eine magnetische Information der Magnetblöcke 32 ist bei dieser Gestaltung im Quertransport 14 einfach auszulesen, da breite Magnetflächen 32 für den Sensor zur Verfügung stehen und das erfasste Signal durch die Abfolge von magnetischen Bereichen 32 und magnetfreien Bereichen 34 moduliert ist. In den magnetfreien Bereichen 34 kann eine Negativschrift 36 vorgesehen sein, deren Texthöhe nicht durch das Vorhandensein der magnetischen Schicht 32 begrenzt wird. Allerdings können die relativ großen Lücken 34 zwischen den Magnetblöcken 32 zu Schwierigkeiten beim Auslesen im Längstransport 16 führen, insbesondere wenn gespurte Magnetsensoren zum Einsatz kommen. In the longitudinal transport 16 difficulties in the signal detection by means of trained magnetic sensors are unlikely by the small gaps 26. In the magnet-free regions 24, a negative writing 28 may be provided, wherein the text height of the negative writing 28 is limited by the width of the magnetic edge track strips 22 and the printing tolerances. The magnetic design of the security thread 30 of FIG. 3 consists of a sequence of magnetic blocks 32 which are separated from each other by magnet-free regions 34. Magnetic information of the magnetic blocks 32 can be easily read in the transverse transport 14 in this design, since wide magnetic surfaces 32 are available for the sensor and the detected signal is modulated by the sequence of magnetic regions 32 and magnet-free regions 34. In the magnet-free regions 34 may be provided a negative writing 36 whose text height is not limited by the presence of the magnetic layer 32. However, the relatively large gaps 34 between the magnetic blocks 32 can lead to difficulties in reading in the longitudinal transport 16, in particular when used with trained magnetic sensors.
Erfindungsgemäße Gestaltungen von Sicherheitsfäden werden nunmehr anhand der Figuren 4 bis 11 näher beschrieben. In allen erfindungsgemäßen Gestaltungen enthalten die Sicherheitsfäden jeweils eine Kunststoff -Trägerfolie mit einer Längsrichtung, die der Fadenhauptachse bzw. der Fadenlaufrichtung entspricht, und einer zur Längsrichtung senkrechten Querrichtung. Auf der Trägerfolie ist eine magnetische Schicht mit einer Vielzahl rahmen- förmiger Magnetelemente angeordnet, die maschinenlesbare magnetische Bereiche bilden und die entlang der Längsrichtung der Trägerfolie nacheinander angeordnet sind. Inventive designs of security threads will now be described with reference to Figures 4 to 11 in more detail. In all inventive The security threads each comprise a plastic carrier foil with a longitudinal direction corresponding to the main thread axis or the thread running direction, and a transverse direction perpendicular to the longitudinal direction. On the carrier film, a magnetic layer is arranged with a plurality of frame-shaped magnetic elements which form machine-readable magnetic regions and which are arranged one after the other along the longitudinal direction of the carrier film.
Eine gegenwärtige besonders bevorzugte Gestaltung eines erfindungsgemä- ßen Sicherheitsfadens 40 ist in Fig. 4 in Aufsicht und in Fig. 5 im Querschnitt entlang der Linie V-V gezeigt. Bei dem Sicherheitsfaden 40 ist auf einer transparenten Kunststoff -Trägerfolie 42 eine magnetische Schicht aus einer Vielzahl von beabstandeten, geschlossenen Magnetrahmen 44 angeordnet, die jeweils die gesamte Breite der Trägerfolie (Abmessung senkrecht zur Fa- denhauptachse) einnehmen. Die Magnetrahmen 44 sind rechteckig ausgebildet und weisen nur lineare Innen- und Außenbegrenzungen auf. Die Innen- und Außenbegrenzungen erstrecken sich dabei ausschließlich parallel oder senkrecht zur Längsrichtung des Fadens. Benachbarte Magnetrahmen 44 sind jeweils durch schmale magnetfreie Bereiche 46 voneinander getrennt. A presently preferred embodiment of a security thread 40 according to the invention is shown in plan view in FIG. 4 and in cross-section along the line V-V in FIG. 5. In the security thread 40, a magnetic layer of a plurality of spaced, closed magnetic frames 44 is arranged on a transparent plastic support film 42 and each occupies the entire width of the support film (dimension perpendicular to the main line axis). The magnetic frame 44 are rectangular and have only linear inner and outer boundaries. The inner and outer boundaries extend exclusively parallel or perpendicular to the longitudinal direction of the thread. Adjacent magnetic frames 44 are each separated by narrow magnet-free regions 46.
Die Magnetrahmen 44 weisen entlang der Fadenlängsrichtung eine Ausdehnung von 5 mm bis 40 mm, vorzugsweise von 8 mm bis 20 mm, und in Fadenquerrichtung eine Ausdehnung von 2 mm bis 6 mm, vorzugsweise von 3 mm bis 4 mm auf. Die Breite der Stege der Magnetrahmen 44 liegt bei den sich entlang der Fadenhauptachse erstreckenden Stegen 44-1 zwischenThe magnetic frames 44 have an extension of 5 mm to 40 mm, preferably 8 mm to 20 mm, along the thread longitudinal direction, and an extension of 2 mm to 6 mm, preferably 3 mm to 4 mm, in the transverse direction of the thread. The width of the webs of the magnetic frame 44 is located between the webs 44-1 extending along the main axis of the thread
0,1 mm und 1,5 mm, vorzugsweise zwischen 0,2 mm und 0,4 mm, und bei den sich quer zur Fadenhauptachse erstreckenden Stegen 44-2 zwischen 0,1 mm und 4 mm, vorzugsweise bei etwa 1 mm. Der remanente Bandfluss der Magnetrahmen 44 liegt vorzugsweise zwischen 120 nWb/ m und 0.1 mm and 1.5 mm, preferably between 0.2 mm and 0.4 mm, and at the transverse to the main thread axis extending webs 44-2 between 0.1 mm and 4 mm, preferably at about 1 mm. The remanent band flow the magnetic frame 44 is preferably between 120 nWb / m and
500 nWb/m. 500 nWb / m.
Durch die erfindungsgemäße Gestaltung der magnetischen Schicht wird so- wohl beim Auslesen in Quertransport 14, als auch beim Auslesen in Längstransport 16 eine besonders gute Detektierbarkeit der magnetischen As a result of the design of the magnetic layer according to the invention, particularly good readability in transverse transport 14 as well as read-out in longitudinal transport 16 results in a particularly good detectability of the magnetic field
Information erreicht. Information reached.
Beim Quertransport 14 erzeugen die senkrechten Rahmenverstrebungen 44- 2, die quer zur Fadenhauptachse verlaufen, ein gegenüber bekannten Gestaltungen nach Fig. 2 stark verbessertes Auslesesignal, da in Ausleserichtung eine größere Magnetfläche zur Verfügung steht. Beim Längstransport 16 können die Lücken 46 deutlich kleiner als die Lücken 34 bei bekannten Gestaltungen nach Fig. 3 ausgeführt werden, da die Durchsichtsbereiche nicht auf die Lückenbereiche 46 beschränkt sind, sondern zusätzlich oder sogar ausschließlich innerhalb der Magnetrahmen 44 angeordnet werden können. Die erfindungsgemäße Gestaltung der Fig. 4 erzeugt daher gegenüber Gestaltungen nach Fig. 3 insbesondere bei der Verwendung gespurter Magnetsensoren ein deutlich verbessertes Auslesesignal. Dadurch können die not- wendigen und im Fadendesign zu berücksichtigenden Überlappungsbereiche von Sensoren und Magnetrahmen 44 kleiner gehalten und dem Designer ein größerer Gestaltungsspielraum gegeben werden. In the transverse transport 14, the vertical frame struts 44-2, which run transversely to the main axis of the thread, produce a read-out signal greatly improved over known designs according to FIG. 2, since a larger magnetic surface is available in the read-out direction. In the longitudinal transport 16, the gaps 46 can be made significantly smaller than the gaps 34 in known designs according to FIG. 3, since the see-through areas are not limited to the gap areas 46, but can additionally or even exclusively be arranged within the magnetic frames 44. Therefore, the design according to the invention of FIG. 4 produces a significantly improved read-out signal compared to designs according to FIG. 3, in particular when using the spun magnetic sensors. As a result, the overlapping areas of sensors and magnetic frames 44 to be taken into account in the thread design can be kept smaller and the designer given greater freedom of design.
Im Ausführungsbeispiel der Figuren 4 und 5 ist auf der dem Magnetrahmen 44 gegenüberliegenden Seite der Trägerfolie 42 weiter ein opakes Dünnschichtelement 50 mit Farbkippeffekt aufgebracht, beispielsweise im PVD- Verfahren aufgedampft. Der Schichtaufbau des Dünnschichtelements um- fasst dabei von der Trägerfolie 42 beginnend typischerweise eine Reflexionsschicht, eine dielektrische Zwischenschicht und eine semitransparente Ab- sorberschicht. In anderen Gestaltungen kann anstelle eines farbkippenden Dünnschichtelements jedoch auch ein anderes optisch variables Sicherheitselement vorgesehen sein, beispielsweise eine diffraktive Beugungsstruktur, wie etwa ein Hologramm oder eine optisch variable Beschichtung, die eine Kombination von farbvariablen und farbkonstanten Bereichen aufweist.In the exemplary embodiment of FIGS. 4 and 5, an opaque thin-film element 50 with a color-shift effect is further applied on the side of the carrier foil 42 opposite the magnetic frame 44, for example vapor-deposited in the PVD process. The layer structure of the thin-film element typically includes a reflective layer, a dielectric intermediate layer and a semitransparent cladding starting from the carrier foil 42. absorber layer. In other designs, however, instead of a color-shifting thin-film element, another optically variable security element may be provided, for example a diffractive diffraction structure, such as a hologram or an optically variable coating, which has a combination of color-variable and color-constant regions.
Das Dünnschichtelement 50 ist mit Aussparungen 52 versehen, in denen der ansonsten opake Fadenaufbau durchsichtig oder durchscheinend ist, und die daher bei Betrachtung im Durchlicht hellleuchtend als Durchsichtsbereiche, beispielsweise als Negativmuster 54, 56, in Erscheinung treten. The thin-film element 50 is provided with recesses 52, in which the otherwise opaque thread structure is transparent or translucent, and therefore when illuminated in transmitted light brightly appear as see-through areas, for example as a negative pattern 54, 56 in appearance.
Ein Teil der Aussparungen 52 bildet eine Negativschrift 54, die von den Magnetrahmen 44 der magnetischen Schicht eingeschlossen ist, wie in Fig. 4 dargestellt. Ein anderer Teil der Aussparungen 52 bildet ein Negativmuster 56, das in den magnetfreien Bereichen 46 zwischen den Magnetrahmen 44 angeordnet ist, wie ebenfalls in Fig. 4 gezeigt. Da die Negativmuster 56 in magnetfreien Bereichen 46 des Sicherheitsfadens 40 angeordnet sind, können sie im Wesentlichen die gesamte Fadenbreite einnehmen und sind, anders als bei dem in Fig. 2 gezeigten Fadendesign, nicht durch die Stegbreite der Magnetelemente limitiert. A part of the recesses 52 forms a negative writing 54 enclosed by the magnetic frames 44 of the magnetic layer as shown in FIG. Another part of the recesses 52 forms a negative pattern 56, which is arranged in the magnet-free regions 46 between the magnetic frame 44, as also shown in Fig. 4. Since the negative patterns 56 are arranged in magnet-free regions 46 of the security thread 40, they can occupy substantially the entire thread width and, unlike the thread design shown in FIG. 2, are not limited by the web width of the magnetic elements.
Wie im Ausführungsbeispiel der Fig. 4 dargestellt, können die Negativmuster 56 aus kleinen Mikrozeichen 58 zusammengesetzt sein, die eine Buchstabenhöhe von weniger als 1 mm, beispielsweise von etwa 0,6 mm aufweisen. Dies ist in den erfindungsgemäßen Gestaltungen möglich, da die Mikrozei- chen 58 der Negativmuster 56 nur in magnetschichtfreien Bereichen vorliegen und damit hochtransparente Bereiche innerhalb des Sicherheitsfadens bilden. Dies steht im Gegensatz zu anderen Gestaltungen, bei denen ein weitgehend, jedoch zwangsläufig nicht vollständig transparenter Magnetdruck vollflächig auf einem Sicherheitsfaden vorliegt. Negativmuster in ei- ner Metallisierung oder einem farbkippenden Dünnschichtelement erscheinen bei solchen Gestaltungen stets mit einem deutlich erkennbaren Grauschleier, was den Einsatz von sehr kleinen Negativmustern, wie etwa den oben angesprochenen Mikrozeichen oder den Einsatz von gerasterten Schrif- ten, stark erschwert bzw. in der Regel sogar unmöglich macht. Auch bei der Gestaltung der Fig. 2 ist die Limitierung durch die beiden Randspurstreifen 22 zu gravierend, um ausreichend große Mikrozeichen erzeugen zu können. As illustrated in the embodiment of FIG. 4, the negative patterns 56 may be composed of small micro-signs 58 having a letter height of less than 1 mm, for example about 0.6 mm. This is possible in the designs according to the invention, since the micro-marks 58 of the negative patterns 56 are present only in magnetic-layer-free regions and thus form highly transparent regions within the security thread. This is in contrast to other designs in which a largely, but necessarily not completely transparent magnetic pressure is present over the entire surface of a security thread. Negative patterns in a ner metallization or a color-shifting thin-film element always appear in such designs with a clearly recognizable gray haze, which makes the use of very small negative patterns, such as the above-mentioned micro-character or the use of rasterized writings, greatly difficult or even impossible in the rule , In the design of FIG. 2 too, the limitation by the two edge track strips 22 is too serious to be able to produce sufficiently large microcharacters.
Fig. 6 zeigt ein weiteres Ausführungsbeispiel der Erfindung, bei dem der Sicherheitsfaden 60 anstelle von geschlossenen Magnetrahmen bereichsweise geöffnete rahmenf örmige Magnetelemente 62 enthält. Jedes der rahmenförmigen Magnetelemente 62 besteht aus einem sich quer zur Fadenhauptachse erstreckenden Quersteg 62-2 und einem abwechselnd an der oberen und unteren Fadenkante angeordneten, sich entlang der Fadenhauptachse erstre- ckenden Längssteg 62-1. Die rahmenförmigen Magnetelemente 62 sind ohne Abstand aneinandergefügt und bilden so einen durchgehenden, abwechselnd nach oben und unten geöffneten Rahmen, wie in Fig. 6 gezeigt. Für die Längen und Breiten der Stege 62-1, 62-2 gelten jeweils die bei Fig. 4 gemachten Angaben. Fig. 6 shows a further embodiment of the invention, in which the security thread 60 contains area-wise open framelike magnetic elements 62 instead of closed magnetic frame. Each of the frame-shaped magnetic elements 62 consists of a transverse web 62-2 extending transversely to the main axis of the yarn and a longitudinal web 62-1 extending alternately at the upper and lower yarn edges and extending along the main axis of the yarn. The frame-shaped magnetic elements 62 are joined together without clearance and thus form a continuous, alternately upwardly and downwardly open frame, as shown in Fig. 6. For the lengths and widths of the webs 62-1, 62-2 in each case the information given in Fig. 4 apply.
Der Sicherheitsfaden 60 weist zudem ein opakes Dünnschichtelement 64 der bereits in Zusammenhang mit Fig. 4 beschriebenen Art auf, das mit Aussparungen in Form einer Negativschrift 66 versehen ist. Die rahmenförmigen Magnetelemente 62 sind dabei um die durch die Aussparungen gebildete Negativschrift 66 herum angeordnet, wie in Fig. 6 illustriert. The security thread 60 also has an opaque thin-film element 64 of the type already described in connection with FIG. 4, which is provided with recesses in the form of a negative writing 66. The frame-shaped magnetic elements 62 are arranged around the negative writing 66 formed by the recesses, as illustrated in FIG. 6.
Auch die geöffnete Rahmengestaltung der Fig. 6 bildet eine magnetische Information, die sowohl im Quertransport als auch im Längstransport ein ausgezeichnetes Detektionsverhalten aufweist. Beim Quertransport erzeugen die Querstege 62-2 ein gegenüber Gestaltungen nach Fig. 2 stark verbessertes Auslesesignal. Auch beim Längstransport ist das Auslesesignal gegenüber Gestaltungen nach Fig. 3 stark verbessert, da die alternierend geöffnete Rahmengestaltung in Längsrichtung keine Lücken aufweist. The open frame design of FIG. 6 also forms magnetic information which exhibits excellent detection behavior both in transverse transport and in longitudinal transport. Generate during cross transport the transverse webs 62-2 a comparison with designs of FIG. 2 greatly improved readout signal. Even with the longitudinal transport, the read-out signal is greatly improved over designs according to FIG. 3, since the alternately open frame design has no gaps in the longitudinal direction.
Die Ausführungsbeispiele der Figuren 7 und 8 zeigen zwei weitere Gestaltungen mit bereichsweise geöffneten rahmenförmigen Magnetelementen. Der Sicherheitsfaden 70 der Fig. 7 enthält eine Vielzahl beabstandeter rah- menf örmiger Magnetelemente 72, die jeweils aus mehreren Längs- und Querstegen bestehen, wobei alle Begrenzungslinien entweder senkrecht oder parallel zu den Fadenkanten verlaufen. Die eingesetzten Längs- bzw. Querstege können jeweils gleiche Breite aufweisen, wie in Fig. 7 gezeigt, sie können in anderen Gestaltungen jedoch auch unterschiedliche Breiten aufweisen. The embodiments of Figures 7 and 8 show two further designs with partially open frame-shaped magnetic elements. The security thread 70 of FIG. 7 includes a plurality of spaced ridged-shaped magnetic elements 72, each consisting of a plurality of longitudinal and transverse webs, wherein all boundary lines extend either perpendicular or parallel to the thread edges. The longitudinal or transverse webs used can each have the same width as shown in FIG. 7, but they can also have different widths in other configurations.
Der Sicherheitsfaden 70 weist neben der magnetischen Schicht ein optisch variables Sicherheitsmerkmal 74, im Ausführungsbeispiel ein Hologramm, auf, das mit Aussparungen in Form einer Negativschrift 76 und eines Negativmusters 78 versehen ist. Wie in Fig. 7 illustriert, sind die rahmenförmigen Magnetelemente 72 um die durch die Aussparungen gebildete Negativschrift 76 herum angeordnet, während das Negativmuster 78 zwischen den beabstandeten Magnetelementen 72 in magnetfreien Bereichen angeordnet ist, und sich daher im Wesentlichen bis zu den Fadenkanten des Sicherheitsfadens 70 erstrecken kann. The security thread 70 has, in addition to the magnetic layer, an optically variable security feature 74, in the exemplary embodiment a hologram, which is provided with recesses in the form of a negative writing 76 and a negative pattern 78. As illustrated in FIG. 7, the frame-shaped magnet members 72 are disposed about the negative writing 76 formed by the recesses, while the negative pattern 78 is disposed between the spaced magnet members 72 in magnet-free regions, and therefore substantially up to the thread edges of the security thread 70 can extend.
Bezüglich der in dieser Anmeldung offenbarten Ausführungsbeispiele mit Negativschrift und/ oder Positivschrift ist noch anzumerken, dass neben den in den Figuren 1 bis 4 sowie 6 bis 10 gezeigten Beispielen selbstverständlich auch noch andere Ausführungsformen denkbar sind. So kann z.B. die in Fig. 7 gezeigte Negativschrift 76 aus großen und kleineren Buchstaben„P" bzwl „L" auch derart gestaltet sein, dass die großen Buchstaben eine erste Information und die kleinen Buchstaben eine zweite Information bilden. Dabei kann vorgesehen sein, dass die erste Information ohne Hilfsmittel visuell erkennbar ist und die zweite Information aufgrund ihrer im Vergleich zur ersten Information geringeren Größe visuell schwerer auflösbar ist. Solche Ausführungsformen sind in der EP 0 659 587 Bl beschrieben, deren Offenbarung insoweit in die vorliegende Beschreibung aufgenommen wird. Auch Ausführungsformen können für das erfindungsgemäße Sicherheitselement eingesetzt werden, bei denen eine erste Information und eine zweite Information vorgesehen sind, wobei die zweite Information als Positivschrift dargestellt ist und die gleiche Gestalt wie die erste Information aufweist, und wobei die erste und die zweite Information derart ineinander angeordnet sind, dass die zweite Information ein unbedrucktes Umfeld aufweist. Solche Ausführungsformen sind in der EP 0 930 174 Bl offenbart, deren Offenbarung insoweit in die vorliegende Beschreibung aufgenommen wird. With regard to the embodiments with negative writing and / or positive writing disclosed in this application, it should also be noted that, of course, other embodiments are conceivable in addition to the examples shown in FIGS. 1 to 4 and 6 to 10. For example, the in Fig. 7, negative letter 76 of upper and lower letters "P" and / or "L" also be designed such that the large letters form a first information and the small letters form a second information. It can be provided that the first information is visually recognizable without aids and the second information is visually difficult to resolve due to their smaller size compared to the first information. Such embodiments are described in EP 0 659 587 B1, the disclosure of which is incorporated into the present description. Embodiments can also be used for the security element according to the invention, in which first information and second information are provided, wherein the second information is shown as a positive font and has the same shape as the first information, and wherein the first and the second information are interleaved arranged that the second information has a blank environment. Such embodiments are disclosed in EP 0 930 174 B1, the disclosure of which is incorporated into the present description.
Die Erfindung ist nicht auf gleichartige Magnetelemente beschränkt. So ent- hält etwa der in Fig. 8 gezeigte Sicherheitsfaden 80 jeweils eine Vielzahl erster und zweiter rahmenförmiger Magnetelemente 82, 84, die zueinander spiegelbildlich ausgebildet sind. Zwischen einem zweiten Magnetelement 84 und dem benachbarten ersten Magnetelement 82 ist jeweils ein magnetfreier Bereich 86 vorgesehen. Im Ausführungsbeispiel stoßen jeweils ein erstes und ein zweites Magnetelement 82, 84 ohne Abstand aneinander, in anderen Gestaltungen kann jedoch auch hier ein magnetfreier Zwischenraum vorgesehen sein. Der Sicherheitsfaden 80 weist weiter ein optisch variables Sicherheitsmerkmal 88 auf, das mit Aussparungen in Form einer Negativschrift 90 und eines Negativmusters 92 versehen ist. Die rahmenförmigen ersten und zweiten Magnetelemente 82, 84 sind jeweils um die durch die Aussparungen gebilde- ten Negativschriftzeichen 90 angeordnet, während das Negativmuster 92 außerhalb der Magnetelemente 82, 84 in einem magnetfreien Bereich angeordnet ist und sich im Wesentlichen bis zu den Fadenkanten des Sicherheitsfadens 80 erstreckt. Die Gestaltungen der Figuren 7 und 8 weisen durch die Querstege der rahmenförmigen Magnetelemente 72, 82, 84 und die schmalen Lücken zwischen den benachbarten Magnetelementen sowohl im Quertransport als auch im Längstransport ein ausgezeichnetes Detektionsverhalten auf. In den magnetfreien Bereichen ist die Höhe der Negativmuster 78, 92 nur durch die Faden- breite beschränkt. Dabei können auch Mikrozeichen oder gerasterte Schriften eingesetzt werden, da im Bereich der Negativmuster 78, 92 kein visuell störender Hintergrund durch magnetisches Material vorliegt. The invention is not limited to similar magnetic elements. Thus, for example, the security thread 80 shown in FIG. 8 respectively contains a plurality of first and second frame-shaped magnetic elements 82, 84, which are designed to be mirror images of one another. Between a second magnetic element 84 and the adjacent first magnetic element 82, a magnet-free region 86 is provided in each case. In the exemplary embodiment, each of a first and a second magnetic element 82, 84 abut each other without a gap, but in other configurations, a magnet-free space may also be provided here. The security thread 80 further comprises an optically variable security feature 88 which is provided with recesses in the form of negative writing 90 and a negative pattern 92. The frame-shaped first and second magnetic elements 82, 84 are arranged around the negative characters 90 formed by the recesses, while the negative pattern 92 is arranged outside the magnetic elements 82, 84 in a magnet-free region and substantially up to the thread edges of the security thread 80 extends. The designs of FIGS. 7 and 8 have excellent detection behavior due to the transverse webs of the frame-shaped magnetic elements 72, 82, 84 and the narrow gaps between the adjacent magnetic elements both in transverse transport and in longitudinal transport. In the magnet-free regions, the height of the negative patterns 78, 92 is limited only by the thread width. In this case, micro-characters or screened fonts can be used, since there is no visually disturbing background by magnetic material in the region of the negative patterns 78, 92.
Fig. 9 zeigt einen Sicherheitsfaden 100 nach einem weiteren Ausführ ungsbei- spiel der Erfindung, der eine Vielzahl beabstandeter, geschlossener Magnetrahmen 102 der bei Fig. 4 bereits beschriebenen Art aufweist. Der Sicherheitsfaden 100 enthält weiter ein optisch variables Sicherheitsmerkmal 104 mit Aussparungen 106, wobei im Gegensatz zu den Gestaltungen der Figuren 4 bis 8 nicht die Aussparungen die gewünschte Information, hier die Buchstabenfolge "PL", bilden, sondern die opaken Bereiche 108 des Sicherheitsmerkmals 104. FIG. 9 shows a security thread 100 according to another embodiment of the invention having a plurality of spaced, closed magnetic frames 102 of the type already described in FIG. 4. The security thread 100 further contains an optically variable security feature 104 with recesses 106, wherein, unlike the designs of FIGS. 4 to 8, the recesses do not form the desired information, here the letter sequence "PL", but the opaque areas 108 of the security feature 104.
Bei den opaken Bereichen 108 kann es beispielsweise um bei einem Demetal- lisierungsschritt stehen gelassene Bereiche einer Metallisierung oder auch um eine nur bereichsweise aufgebrachte farbige, opake Schicht handeln. Im Sprachgebrauch der vorliegenden Anmeldung stellt die Buchstabenfolge "PL" dann keine Negativinformation dar (wie in den Fig. 4 bis 8), sondern eine Positivinformation. Dabei ist zu betonen, dass es sich bei einer Bezeich- nung als Positiv- bzw. Negativinformation lediglich um eine Konvention handelt, da natürlich auch die Aussparungen 106 den Umrissen der Buchstabenfolge "PL" folgen und sie daher in inverser Darstellung denselben Informationsgehalt wie die opaken Bereiche 108 aufweisen. Bei geometrischen oder abstrakten Mustern kann oft grundsätzlich nicht eindeutig angegeben werden, ob das Muster selbst oder das inverse Muster eine Positivdarstellung bzw. als Negativdarstellung ist. In the case of the opaque regions 108, it may be, for example, areas of a metallization which have been left standing during a demetallization step or else to act only a partially applied colored, opaque layer. In the language of the present application, the letter sequence "PL" is then no negative information (as in Figs. 4 to 8), but a positive information. It should be emphasized that a designation as positive or negative information is merely a convention, since, of course, the recesses 106 also follow the outlines of the letter sequence "PL" and therefore they have the same information content in inverse representation as the opaque ones Have areas 108. In the case of geometric or abstract patterns, it is often not possible to clearly state whether the pattern itself or the inverse pattern is a positive representation or a negative representation.
Auch die zwischen den Magnetrahmen 102 in magnetfreien Bereichen angeordneten Zeichen 110 können nicht nur in Negativdarstellung ausgebildet sein, wie etwa in den Figuren 4, 7 und 8 gezeigt, sondern auch eine Positivdarstellung der gewünschten Information, hier der Denomination "10", sein, wie in Fig. 9 dargestellt. Also, the characters 110 located between the magnetic frames 102 in non-magnetic regions may be not only negatively represented as shown in Figs. 4, 7 and 8, but also be a positive representation of the desired information, here the denomination "10" shown in Fig. 9.
Das Ausführungsbeispiel 120 der Fig. 10 illustriert, dass es sich bei der in den Durchsichtsbereichen dargestellten Information nicht nur um alphanumerische Zeichenfolgen, sondern um beliebige Muster, wie etwa die beispielhaft gezeigten Sterneformen 122, 124, handeln kann. Embodiment 120 of FIG. 10 illustrates that the information presented in the see-through areas may be not just alphanumeric strings, but any patterns, such as the star shapes 122, 124 shown as an example.
Fig. 11 zeigt ein weiteres Ausführungsbeispiel der Erfindung, bei dem der Träger 136, auf den die rahmenförmigen Magnetelemente 132 aufgebracht sind, selbst nicht Teil des Sicherheitselements 130 ist. Es versteht sich, dass der Bereich des Datenträgers, der mit den rahmenförmigen Magnetelementen bedruckt wird, durch die Bedruckung zu einem Teil des erfindungsgemäßen langgestreckten Sicherheitselements wird. Das langgestreckte Sicher- heitselement 130 der Fig. 11 ist ein aufgedruckter Sicherheitsfaden, bei dem die magnetische Schicht 134 mit der Vielzahl rahmenförmiger agnetele- mente 132 direkt auf das Datenträgersubstrat, insbesondere ein Sicherheitspapier 136 einer Banknote 140 aufgedruckt ist. Es versteht sich, dass die rahmenförmigen Magnetelemente 132 auch in dieser Erfindungsvariante mit weiteren Sicherheitsmerkmalen, wie etwa Aussparungen, Durchsichtsbereichen oder optisch variable Sicherheitsmerkmalen, kombiniert sein können, wie oben bereits grundsätzlich beschrieben. FIG. 11 shows a further embodiment of the invention, in which the carrier 136 to which the frame-shaped magnetic elements 132 are applied is itself not part of the security element 130. It is understood that the area of the data carrier, which is printed with the frame-shaped magnetic elements, by printing becomes part of the elongate security element according to the invention. The elongated safety 11 is an imprinted security thread, in which the magnetic layer 134 with the multiplicity of frame-shaped agnet elements 132 is printed directly on the data carrier substrate, in particular a security paper 136 of a banknote 140. It is understood that the frame-shaped magnetic elements 132 can also be combined in this variant of the invention with other security features, such as recesses, see-through areas or optically variable security features, as already basically described above.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Langgestrecktes Sicherheitselement für Sicherheitspapiere, Wertdokumente und dergleichen, mit einer Längsrichtung und einer zur Längsrich- hing senkrechten Querrichtung, und mit einer auf einem Träger angeordneten magnetischen Schicht, die maschinenlesbare magnetische Bereiche enthält, dadurch gekennzeichnet, dass die magnetische Schicht eine Vielzahl rahmenförmiger Magnetelemente umfasst, die die maschinenlesbaren magnetischen Bereiche enthalten, und die entlang der Längsrichtung des langgestreckten Sicherheitselements angeordnet sind. An elongated security element for security papers, documents of value and the like, having a longitudinal direction and a transverse direction perpendicular to the longitudinal direction, and having a magnetic layer disposed on a support containing machine-readable magnetic regions, characterized in that the magnetic layer comprises a plurality of frame-shaped magnetic elements comprising the machine-readable magnetic regions and arranged along the longitudinal direction of the elongated security element.
2. Sicherheitselement nach Anspruch 1, dadurch gekennzeichnet, dass die rahmenförmigen Magnetelemente rechteckig mit linearer Innen- und Außenbegrenzung ausgebildet sind. 2. Security element according to claim 1, characterized in that the frame-shaped magnetic elements are formed rectangular with linear inner and outer boundary.
3. Sicherheitselement nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass sich die Begrenzungen der rahmenförmigen Magnetelemente nur parallel oder senkrecht zur Längsrichtung des langgestreckten Sicherheitselements erstrecken. 3. Security element according to claim 1 or 2, characterized in that extend the boundaries of the frame-shaped magnetic elements only parallel or perpendicular to the longitudinal direction of the elongated security element.
4. Sicherheitselement nach wenigstens einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die rahmenförmigen Magnetelemente beabstan- dete, geschlossene Magnetrahmen bilden. 4. Security element according to at least one of claims 1 to 3, characterized in that the frame-shaped magnetic elements spaced-apart, form closed magnetic frame.
5. Sicherheitselement nach wenigstens einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die rahmenförmigen Magnetelemente jeweils um weitere Sicherheitsmerkmale herum angeordnet sind, bevorzugt, dass die rahmenförmigen Magnetelemente geschlossene Magnetrahmen bilden, die die weiteren Sicherheitsmerkmale einschließen. 5. Security element according to at least one of claims 1 to 4, characterized in that the frame-shaped magnetic elements are each arranged around further security features around, preferred that the frame-shaped magnetic elements form closed magnetic frame, which include the other security features.
6. Sicherheitselement nach Anspruch 5, dadurch gekennzeichnet, dass die weiteren Sicherheitsmerkmale Durchsichtsbereiche mit einer Durchsichtsinformation, insbesondere Negativmusterbereiche und/ oder optisch variable Sicherheitsmerkmale, sind. 6. Security element according to claim 5, characterized in that the further security features are see-through areas with a see-through information, in particular negative pattern areas and / or optically variable security features.
7. Sicherheitselement nach wenigstens einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die rahmenförmigen Magnetelemente einen remanenten Bandfluss zwischen 120 nWb/ m und 500 nWb/ m aufweisen. 7. The security element according to at least one of claims 1 to 6, characterized in that the frame-shaped magnetic elements have a remanent tape flow between 120 nWb / m and 500 nWb / m.
8. Sicherheitselement nach wenigstens einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die rahmenförmigen Magnetelemente entlang der Längsrichtung eine Stegbreite zwischen 0,1 mm und 1,5 mm, vorzugsweise zwischen 0,2 mm und 0,4 mm aufweisen, und entlang der Querrichtung eine Stegbreite zwischen 0,1 mm und 4 mm, vorzugsweise von etwa 1 mm aufweisen. 8. The security element according to at least one of claims 1 to 7, characterized in that the frame-shaped magnetic elements along the longitudinal direction have a web width between 0.1 mm and 1.5 mm, preferably between 0.2 mm and 0.4 mm, and along the transverse direction have a web width between 0.1 mm and 4 mm, preferably of about 1 mm.
9. Sicherheitselement nach wenigstens einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass außerhalb der rahmenförmigen Magnetelemente visuell erkennbare Zeichen, Muster oder Codierungen, insbesondere visu- eil erkennbare Durchsichtsbereiche, angeordnet sind. 9. Security element according to at least one of claims 1 to 8, characterized in that outside the frame-shaped magnetic elements visually recognizable characters, patterns or codes, in particular visually recognizable see-through areas are arranged.
10. Sicherheitselement nach wenigstens einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die rahmenförmigen Magnetelemente auf einen Datenträger, der selbst nicht Teil des Sicherheitselements ist, aufgedruckt sind. 10. Security element according to at least one of claims 1 to 9, characterized in that the frame-shaped magnetic elements are printed on a data carrier, which itself is not part of the security element.
11. Sicherheitselement nach wenigstens einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das Sicherheitselement als Träger eine Kunst- stoff -Trägerfolie enthält, auf der die rahmenförmigen Magnetelemente angeordnet sind. 11. A security element according to at least one of claims 1 to 9, characterized in that the security element as a carrier an art fabric carrier film contains, on which the frame-shaped magnetic elements are arranged.
12. Sicherheitselement nach Anspruch 11, dadurch gekennzeichnet, dass die rahmenförmigen Magnetelemente die gesamte Breite der Trägerfolie in12. Security element according to claim 11, characterized in that the frame-shaped magnetic elements, the entire width of the carrier film in
Querrichtung einnehmen. Take transverse direction.
13. Sicherheitselement nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass die rahmenförmigen Magnetelemente jeweils um weitere Sicher- heitsmerkmale herum angeordnet sind, und dass die rahmenförmigen Magnetelemente und die weiteren Sicherheitsmerkmale auf gegenüberliegenden Seiten der Trägerfolie angeordnet sind. 13. A security element according to claim 11 or 12, characterized in that the frame-shaped magnetic elements are each arranged around other safety features around, and that the frame-shaped magnetic elements and the other security features are arranged on opposite sides of the carrier film.
14. Sicherheitselement nach wenigstens einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, dass außerhalb der rahmenförmigen Magnetelemente visuell erkennbare Zeichen, Muster oder Codierungen, insbesondere visuell erkennbare Durchsichtsbereiche, angeordnet sind, die im Wesentlichen die gesamte Breite der Trägerfolie in Querrichtung einnehmen, insbesondere, dass die visuell erkennbaren Zeichen, Muster oder Codierungen in Querrichtung der Trägerfolie eine Ausdehnung aufweisen, die größer ist als die Breite der Trägerfolie minus der doppelten Stegbreite der rahmenförmigen Magnetelemente entlang der Längsrichtung der Trägerfolie. 14. The security element according to claim 11, characterized in that visually recognizable characters, patterns or codes, in particular visually recognizable see-through areas, are arranged outside the frame-shaped magnetic elements, which occupy substantially the entire width of the carrier film in the transverse direction, in particular in that the visually recognizable characters, patterns or codes in the transverse direction of the carrier film have an extension which is greater than the width of the carrier film minus twice the web width of the frame-shaped magnetic elements along the longitudinal direction of the carrier film.
15. Sicherheitselement nach wenigstens einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass das Sicherheitselement ein Sicherheitsfaden, ein Sicherheitsband oder ein Sicherheitsstreifen oder ein auf einen Datenträger aufgedruckter Sicherheitsfaden ist. 15. Security element according to at least one of claims 1 to 14, characterized in that the security element is a security thread, a security tape or a security strip or printed on a disk security thread.
16. Verfahren zum Herstellen eines langgestreckten Sicherheitselements nach einem der Ansprüche 1 bis 15, bei dem eine magnetische Schicht auf einem Träger angeordnet wird, wobei die magnetische Schicht mit einer Vielzahl rahmenförmiger Magnetelemente ausgebildet wird, die die maschi- nenlesbaren magnetischen Bereiche enthalten, und die entlang der Längsrichtung des langgestreckten Sicherheitselements angeordnet werden. 16. A method of manufacturing an elongate security element according to any one of claims 1 to 15, wherein a magnetic layer is disposed on a support, wherein the magnetic layer is formed with a plurality of frame-shaped magnetic elements containing the machine-readable magnetic portions, and along the longitudinal direction of the elongated security element are arranged.
17. Verfahren nach Anspruch 16, bei dem die magnetische Schicht mit der Vielzahl rahmenförmiger Magnetelemente auf einen Datenträger, der selbst nicht Teil des Sicherheitselements ist, aufgedruckt wird. 17. The method of claim 16, wherein the magnetic layer is printed with the plurality of frame-shaped magnetic elements on a data carrier, which itself is not part of the security element.
18. Verfahren nach Anspruch 16, mit den Verfahrensschritten: 18. The method according to claim 16, with the method steps:
Bereitstellen einer Kunststoff -Trägerfolie mit einer Längsrichtung und einer zur Längsrichtung senkrechten Querrichtung, und Providing a plastic carrier sheet having a longitudinal direction and a transverse direction perpendicular to the longitudinal direction, and
Anordnen der magnetischen Schicht mit der Vielzahl rahmenförmiger Magnetelemente auf der Trägerfolie. Arranging the magnetic layer with the plurality of frame-shaped magnetic elements on the carrier film.
19. Verfahren nach wenigstens einem der Ansprüche 16 bis 18, dadurch gekennzeichnet, dass die rahmenf örmigen Magnetelemente jeweils um weitere Sicherheitsmerkmale herum angeordnet werden, bevorzugt, dass die rahmenförmigen Magnetelemente als geschlossene Magnetrahmen ausgebildet werden, die die weiteren Sicherheitsmerkmale einschließen. 19. The method according to at least one of claims 16 to 18, characterized in that the frame-shaped magnetic elements are each arranged around further security features around, preferred that the frame-shaped magnetic elements are formed as a closed magnetic frame, which include the other security features.
20. Verfahren nach Anspruch 18 und 19, dadurch gekennzeichnet, dass die rahmenförmigen Magnetelemente und die weiteren Sicherheitsmerkmale auf gegenüberliegenden Seiten der Trägerfolie angeordnet werden. 20. The method according to claim 18 and 19, characterized in that the frame-shaped magnetic elements and the other security features are arranged on opposite sides of the carrier film.
21. Datenträger mit einem Sicherheitselement nach einem der Ansprüche 1 bis 20. 21. A data carrier with a security element according to one of claims 1 to 20.
22. Datenträger nach Anspruch 21, dadurch gekennzeichnet, dass der Datenträger eine Banknote oder ein anderes Wertdokument, ein Pass, eine22. A data carrier according to claim 21, characterized in that the data carrier is a banknote or another document of value, a passport, a
Urkunde oder eine Ausweiskarte ist. Certificate or an identity card is.
23. Datenträger nach Anspruch 21, dadurch gekennzeichnet, dass der Datenträger ein Endlosmaterial ist. 23. A data carrier according to claim 21, characterized in that the data carrier is a continuous material.
EP10760591.7A 2009-09-21 2010-09-13 Elongated security feature comprising machine-readable magnetic regions Active EP2480417B1 (en)

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AU2010294852B2 (en) 2013-10-17
DE102009042022A1 (en) 2011-03-24
RU2501661C1 (en) 2013-12-20
US8550340B2 (en) 2013-10-08
HK1172588A1 (en) 2013-04-26
WO2011032671A1 (en) 2011-03-24
US20120168515A1 (en) 2012-07-05
AU2010294852A1 (en) 2012-03-15
RU2012114720A (en) 2013-10-27
EP2480417B1 (en) 2015-06-17
CN102574412B (en) 2015-06-17
CN102574412A (en) 2012-07-11

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