EP1059619A2 - Device for the visual and machine-assisted validation of value and security documents - Google Patents

Device for the visual and machine-assisted validation of value and security documents Download PDF

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Publication number
EP1059619A2
EP1059619A2 EP00119980A EP00119980A EP1059619A2 EP 1059619 A2 EP1059619 A2 EP 1059619A2 EP 00119980 A EP00119980 A EP 00119980A EP 00119980 A EP00119980 A EP 00119980A EP 1059619 A2 EP1059619 A2 EP 1059619A2
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EP
European Patent Office
Prior art keywords
security
value
testing device
electrode
carriers
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
EP00119980A
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German (de)
French (fr)
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EP1059619A3 (en
EP1059619B1 (en
Inventor
Erfindernennung liegt noch nicht vor Die
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Bundesdruckerei GmbH
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Bundesdruckerei GmbH
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Filing date
Publication date
Priority claimed from DE19708543A external-priority patent/DE19708543C2/en
Application filed by Bundesdruckerei GmbH filed Critical Bundesdruckerei GmbH
Publication of EP1059619A2 publication Critical patent/EP1059619A2/en
Publication of EP1059619A3 publication Critical patent/EP1059619A3/en
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Publication of EP1059619B1 publication Critical patent/EP1059619B1/en
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    • 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
    • G07D7/06—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 wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • G07D7/128—Viewing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B41M3/144—Security printing using fluorescent, luminescent or iridescent effects
    • 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
    • G07D7/06—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 wave or particle radiation

Definitions

  • the present invention relates to an arrangement for visual and machine authentication of value and Security documents using electroluminescent Have substances with safety features,
  • a security document is included in DE 41 26 051 A1 embedded areal security element (Security thread) presented, the multi-layered is and has electroluminescent properties.
  • the for Excitation of the El substances are required electrodes arranged one above the other on the security document, with the security element in between.
  • the Manufacture of such an electroluminescent element the document is complex. To stimulate the electroluminescent element must be connected to the electrodes on the AC voltage can be applied to the document.
  • US-A 4 355 300 shows a testing device for machine Authenticity check of a security document, whereby a AC voltage to an opposite one another Electrode assembly is applied, thereby a electric field generated between the two electrodes becomes. This is due to the between the electrodes brought security document and the on it located security feature the material-dependent Dielectric constant in the field gap changed. This has one Change in capacitance resulting in what about a measuring device is measured and in a Evaluation unit is evaluated. With this publication however, no electrically stimulable substances in the Field gap excited, and therefore no electromagnetic Radiation measured in the form of emitted photons. The Device parameters must therefore correspond to one here measuring capacitor voltage and not accordingly of an electromagnetic radiation to be measured become.
  • the invention has for its object a test device for visual and machine authentication of value and To create security documents that are quick, secure and easy to use to check documents allowed.
  • the test device has two mutually parallel supports, between which the document to be checked can be inserted, whereby at least one of the carriers is transparent. At least one of the carriers is provided with an electrode arrangement which is suitable for generating an alternating electromagnetic field, which the value and security product at least to the Places enforced where the El-active security features are arranged.
  • the tester two has mutually parallel supports between which the testing document is insertable, at least one of the Carrier is transparent. There are electrodes on both supports arranged in the manner of plate capacitors between generate an alternating electromagnetic field which Valuable and safety product at least in the places enforced on which the El-active security features are arranged.
  • a third embodiment is that the tester has two mutually parallel supports between which the testing document is insertable, at least one of the Carrier is transparent. It is on the value and Safety product a first electrode, and on one of the Carrier a second electrode arranged between them Generate alternating electromagnetic field, which the value and Security product enforced at least in the places which the El-active security features are arranged.
  • FIGS. 1 to 17 Various embodiments are illustrated in FIGS. 1 to 17 described by test equipment and at the same time Shapes of security documents with different Arrangement of El-active substances specified.
  • test device essentially two spaced from each other Carriers 28,30, preferably the observer 27th facing, upper support 28 is transparent and e.g. made of a glass or plastic with a transparent, internally attached, electrically conductive coating which forms the one electrode 33.
  • a contact 34 is placed on this electrode, the one with its one pole is connected to the terminal 31.
  • the opposite electrode 32 is e.g. as anodized aluminum on the inner surface of the lower beam 30 attached and is also via the contact 34 with the other pole of the terminal 31 connected.
  • FIGS 2 and 3 show a corresponding test device Electrodes 53, 54, which are also arranged opposite one another are and are contacted via corresponding connections 31.
  • an illumination source 55 of any kind can be used to add one To achieve excitation of the El print image. In all cases the value and security product to be checked 1 through the insertion gap 56 into the tester.
  • FIG. 4 shows a modification of the exemplary embodiment Figure 1 that an electrode assembly 35 only on one single carrier 28 can be arranged, one Electrode arrangement is used, such as with of the electrode arrangement 35 according to FIG. 5.
  • the upper carrier 28 in turn consists of a transparent Glass or plastic, with a planar electrode arrangement 35 is described, which is shown in more detail in Figure 5.
  • This Electrode arrangement is made of interlocking fingers Electrode fingers formed 39.40, the electrode fingers 39.40 form the field gap 26 between them and from each other are isolated. The entire arrangement is on an insulation layer 41 from e.g. Si oxide applied, the electrode fingers 40 conductive to each other through a base conductor 38 are connected, while the electrode fingers 39 by a Base conductor 38a (see FIG. 11) is conductive to one another are connected.
  • the base conductors 38, 38a preferably consist of a gold layer, while the electrode fingers 39.40 from the ITO paste described above or consist of a transparent gold layer.
  • FIG. 6 shows a modification of the exemplary embodiment Figure 4 that additionally on the inside of the upper Carrier 28, a fluorescent layer 42 can be arranged, which is caused by the emission emitted by the El printed image Is brought on.
  • a fluorescent layer 42 lights up either in the visible area or in the invisible area Area.
  • a modified exemplary embodiment in comparison to FIG. 4 shows Figure 7, where it can be seen that the previous described electrode assembly 35 on a now attached below Carrier 28 is attached and that of the electrode assembly alternating spring generated the value and Enforce security product 1 from below, so that it from above through the transparent carrier 30 without further notice can be observed without it being necessary in to arrange an electrode arrangement itself in the line of sight.
  • Figures 4, 6 and 7 show that this is from the electrode assembly 35 alternating field 37 each generated the security document 1 - at least in the area of the El printed image 29 - enforced.
  • FIG emitted emission 43 As the primary emission on the fluorescence layer 42, which in turn has a secondary emission 44 generated either in the visible range of one Observer 27 can be detected or - in the invisible Area - can be evaluated by a test device.
  • the test device according to FIGS. 9 to 11 essentially consists again from the two opposite beams 28,30, in the space between them is an alternating electromagnetic field is formed, being on one side of these two carriers 28,30 a housing 49 is arranged, which on its Top carries a switch 50 and which corresponding Batteries 46 for power supply and an electronic PCB 47 on which the electronics 48th is constructed. By pressing the switch 50 it is generated alternating electromagnetic field, which the as Security feature 9,10 trained El-print image 29 at least partially interspersed and lights up.
  • FIG. 11 now shows that the previously described Electrode assembly 35 either on the inside of the lower one Carrier 30 or on the inside of the upper carrier 28 can be arranged.
  • Figures 12 and 13 show that the electrode fingers 39.40 in are spaced from each other and between field gaps 26 that are approximately parallel to one another are formed.
  • Luminescence layer 51 can be arranged. The function of this The luminescence layer has already been shown in FIG. 20 explained.
  • Figures 14 and 15 show how the electrode arrangement 35 is integrated in the test device.
  • the contacts 34 start and directly into the electronics 48 are introduced, to which a power supply unit 57 can be connected.
  • the electrode arrangement 35 spaced from each other and isolating electrode fingers 39, 40 attached from one another, wherein Conductor widths 58 of typically 100 ⁇ m are preferred, at a conductor track spacing 59 of preferably 50 ⁇ m.
  • An oxide layer is used for insulation over the entire arrangement applied by vapor deposition.
  • Figure 16 shows that it is according to another embodiment is possible at the bottom of the security document 1 approximately flat electrode 32 in the form of a conductive printing ink 16 to bring up and contact them as well, then the value and security product 1 bears an El print image 29.
  • the counter electrode is on a carrier of the test device arranged, which is described in the drawing Figure 17.
  • the alternating field 36 generated between the two electrodes then enforces the El-active substances and brings them to light up.
  • the height of the intaglio ink 2 above the base of security document 1 typically 10 to 20 ⁇ m
  • the thickness 22 of the security document 1 typically 100 ⁇ m with a basis weight of 90g per square meter
  • the thickness 23 of the lower surface electrode 32 is about 3 to 10 microns.
  • FIG. 17 shows the embodiment in FIG Figure 16 that the value and security product also at its Side - e.g. the bottom - with an electrode 32 can be coated, which is contacted by the one contact 34 becomes.
  • the other contact is the surface contact of the Arranged on the inside of the upper, transparent support 28, wherein said electrode arrangement by a Insulation layer is covered, so that there as an electrode trained, full-surface ITO or gold coating if possible is completely covered by the insulation layer 41.
  • the other contact 34 is conductive.

Abstract

Value and security product, e.g. banknote or ID card, has an embedded security element which has electroluminescent properties and by exciting in an electromagnetic alternating field radiation is emitted. The novelty is that electroluminescent substances (5) are embedded into the printing inks to print the security document (1). Also claimed are: (a) a testing device for testing visually and/or by machine security documents; and (b) production of a security document.

Description

Gegenstand der vorliegenden Erfindung ist eine Anordnung zur visuellen und maschinellen Echtheitsüberprüfung von Wert- und Sicherheitsdokumenten, die mit elektrolumineszierenden Substanzen versehene Sicherheitsmerkmale aufweisen,The present invention relates to an arrangement for visual and machine authentication of value and Security documents using electroluminescent Have substances with safety features,

In der DE 41 26 051 A1 wird ein Sicherheitsdokument mit eingebettetem flächenhaften Sicherheitselement (Sicherheitsfaden) vorgestellt, das mehrschichtig ausgebildet ist und elektrolumineszierende Eigenschaften aufweist. Die zur Anregung der El-Substanzen erforderlichen Elektroden sind übereinanderliegend auf dem Sicherheitsdokument angeordnet, wobei sich das Sicherheitselement dazwischen befindet. Die Herstellung eines solchen elektrolumineszierenden Elements auf dem Dokument ist aufwendig. Zur Anregung des elektrolumineszierenden Elements muss an die Elektroden auf dem Dokument eine Wechselspannung angelegt werden.A security document is included in DE 41 26 051 A1 embedded areal security element (Security thread) presented, the multi-layered is and has electroluminescent properties. The for Excitation of the El substances are required electrodes arranged one above the other on the security document, with the security element in between. The Manufacture of such an electroluminescent element the document is complex. To stimulate the electroluminescent element must be connected to the electrodes on the AC voltage can be applied to the document.

Die US-A 4 355 300 zeigt ein Prüfgerät zur maschinellen Echtheitsprüfung eines Sicherheitsdokumentes, wobei eine Wechselspannung an eine sich gegenüberliegende Elektrodenanordnung angelegt wird, wodurch ein elektrisches Feld zwischen den beiden Elektroden erzeugt wird. Hierbei wird durch das zwischen die Elektroden eingebrachte Sicherheitsdokument und dem darauf befindlichen Sicherheitsmerkmal die materialabhängige Dielektrizitätszahl im Feldspalt geändert. Dies hat eine Änderung des kapazitiven Widerstandes zur Folge, was über eine Meßeinrichtung gemessen wird und in einer Auswerteeinheit ausgewertet wird. Bei dieser Druckschrift werden jedoch keine elektrisch anregbare Substanzen im Feldspalt angeregt, und somit keine elektromagnetische Strahlung in Form von emittierten Photonen gemessen. Die Geräteparameter müssen hier also entsprechend einer zu messenden Kondensatorspannung und nicht entsprechend einer zu messenden elektromagnetischen Strahlung gewählt werden.US-A 4 355 300 shows a testing device for machine Authenticity check of a security document, whereby a AC voltage to an opposite one another Electrode assembly is applied, thereby a electric field generated between the two electrodes becomes. This is due to the between the electrodes brought security document and the on it located security feature the material-dependent Dielectric constant in the field gap changed. This has one Change in capacitance resulting in what about a measuring device is measured and in a Evaluation unit is evaluated. With this publication however, no electrically stimulable substances in the Field gap excited, and therefore no electromagnetic Radiation measured in the form of emitted photons. The Device parameters must therefore correspond to one here measuring capacitor voltage and not accordingly of an electromagnetic radiation to be measured become.

Der Erfindung liegt die Aufgabe zugrunde, ein Prüfgerät zur visuellen und maschinellen Echtheitsüberprüfung von Wert- und Sicherheitsdokumenten zu schaffen, das eine schnelle, sicherer und in der Handhabung einfache Überprüfung von Dokumenten erlaubt.The invention has for its object a test device for visual and machine authentication of value and To create security documents that are quick, secure and easy to use to check documents allowed.

Diese Aufgabe wird durch die technische Lehre der unabhängigen Patentansprüche gelöst.This task is accomplished through the technical teaching of the independent Claims resolved.

In einer ersten Ausführungsform der Erfindung ist vorgesehen, daß das Prüfgerät zwei zueinander parallele Träger aufweist, zwischen die das zu prüfende Dokument einführbar ist, wobei mindestens einer der Träger durchsichtig ist. An mindestens einem der Träger ist eine Elektrodenanordnung vorgesehen, die geeignet ist, ein elektromagnetisches Wechselfeld zu erzeugen, welches das Wert- und Sicherheitserzeugnis mindestens an den Stellen durchsetzt, an denen die El-aktiven Sicherheitsmerkmale angeordnet sind.In a first embodiment of the invention, that the test device has two mutually parallel supports, between which the document to be checked can be inserted, whereby at least one of the carriers is transparent. At least one of the carriers is provided with an electrode arrangement which is suitable for generating an alternating electromagnetic field, which the value and security product at least to the Places enforced where the El-active security features are arranged.

Eine weitere Ausführungsform sieht vor, daß das Prüfgerät zwei zueinander parallele Träger aufweist, zwischen die das zu prüfende Dokument einführbar ist, wobei mindestens einer der Träger durchsichtig ist. An beiden Trägern sind Elektroden angeordnet, die in der Art von Plattenkondensatoren zwischen sich ein elektromagnetisches Wechselfeld erzeugen, welches das Wert- und Sicherheitserzeugnis mindestens an den Stellen durchsetzt, an denen die El-aktiven Sicherheitsmerkmale angeordnet sind.Another embodiment provides that the tester two has mutually parallel supports between which the testing document is insertable, at least one of the Carrier is transparent. There are electrodes on both supports arranged in the manner of plate capacitors between generate an alternating electromagnetic field which Valuable and safety product at least in the places enforced on which the El-active security features are arranged.

Eine dritte Ausführungsform besteht darin, daß das Prüfgerät zwei zueinander parallele Träger aufweist, zwischen die das zu prüfende Dokument einführbar ist, wobei mindestens einer der Träger durchsichtig ist. Dabei ist auf dem Wert- und Sicherheitserzeugnis eine erste Elektrode, und auf einem der Träger eine zweite Elektrode angeordnet, die zwischen sich ein elektromagnetisches Wechselfeld erzeugen, welches das Wert- und Sicherheitserzeugnis mindestens an den Stellen durchsetzt, an denen die El-aktiven Sicherheitsmerkmale angeordnet sind.A third embodiment is that the tester has two mutually parallel supports between which the testing document is insertable, at least one of the Carrier is transparent. It is on the value and Safety product a first electrode, and on one of the Carrier a second electrode arranged between them Generate alternating electromagnetic field, which the value and Security product enforced at least in the places which the El-active security features are arranged.

Weitere vorteilhafte Abwandlungen und Ausführungsformen der Erfindung sind Gegenstand der abhängigen Ansprüche.Further advantageous modifications and embodiments of the Invention are the subject of the dependent claims.

Der Erfindungsgegenstand der vorliegenden Erfindung ergibt sich nicht nur aus dem Gegenstand der einzelnen Patentansprüche, sondern auch aus der Kombination der einzelnen Patentansprüche untereinander.The subject matter of the present invention results not only from the subject of the individual claims, but also from the combination of the individual claims among themselves.

Alle in den Unterlagen, einschließlich der Zusammenfassung, offenbarten Angaben und Merkmale, insbesondere die in den Zeichnungen dargestellte räumliche Ausbildung werden als erfindungswesentlich beansprucht, soweit sie einzeln oder in Kombination gegenüber dem Stand der Technik neu sind.All in the documentation, including the summary, Disclosed information and features, in particular those in the Drawings illustrated spatial training are considered essential to the invention, insofar as they are used individually or in Combination are new compared to the prior art.

Im folgenden wird die Erfindung anhand von mehrere Ausführungswege darstellenden Zeichnungen näher erläutert. Hierbei gehen aus den Zeichnungen und ihrer Beschreibung weitere erfindungswesentliche Merkmale und Vorteile der Erfindung hervor.In the following the invention based on several Drawings illustrating execution paths explained in more detail. Here go from the drawings and their description further features and advantages essential to the invention Invention.

Es zeigen:

Figur 1:
die Anordnung eines Sicherheitsdokuments in einem Prüfgerät in einer ersten Ausführungsform,
Figur 2,3:
verschiedene Möglichkeiten der Ausgestaltung von Prüfgeräten,
Figur 4:
die Anordnung eines Sicherheitsdokuments in einem Prüfgerät in einer zweiten Ausführungsform,
Figur 5:
die vergrößerte Darstellung von lateralen Elektroden,
Figur 6:
eine weitere Ausführung der Anordnung eines Sicherheitsdokuments in einem Prüfgerät in Abwandlung zur Figur 4,
Figur 7:
ein weiteres Ausführungsbeispiel der Anordnung eines Sicherheitsdokuments in einem Prüfgerät,
Figur 8:
eine weitere Ausführungsform der Gestaltung des Prüfgeräts,
Figur 9:
die konstruktive Ausgestaltung eines Prüfgeräts im Schnitt,
Figur 10:
die Draufsicht auf die Anordnung nach Figur 9,
Figur 11:
die Draufsicht auf eine Elektrodenanordnung zur Verwendung im Prüfgerät,
Figur 12,13:
verschiedene Ausführungsformen der Anordnung von Elektroden im Prüfgerät,
Figur 14,15
die Draufsicht und die vergrößerte Draufsicht auf eine Elektrodenanordnung in einem Prüfgerät.
Figur 16:
eine Darstellung eines in einem Prüfgerät verwendbaren Sicherheitsdokument mit einer Flächenelektrode,
Figur 17:
ein Prüfgerät zur Prüfung des Sicherheitsdokuments nach Figur 16.
Show it:
Figure 1:
the arrangement of a security document in a test device in a first embodiment,
Figure 2,3:
various options for the design of test equipment,
Figure 4:
the arrangement of a security document in a test device in a second embodiment,
Figure 5:
the enlarged representation of lateral electrodes,
Figure 6:
another embodiment of the arrangement of a security document in a test device in a modification of Figure 4,
Figure 7:
another embodiment of the arrangement of a security document in a test device,
Figure 8:
another embodiment of the design of the test device,
Figure 9:
the design of a test device on average,
Figure 10:
the top view of the arrangement of Figure 9,
Figure 11:
the top view of an electrode arrangement for use in the testing device,
Figure 12, 13:
different embodiments of the arrangement of electrodes in the test device,
Figure 14.15
the top view and the enlarged top view of an electrode arrangement in a tester.
Figure 16:
a representation of a security document usable in a test device with a surface electrode,
Figure 17:
a test device for checking the security document according to Figure 16.

Anhand der Figuren 1 bis 17 werden verschiedene Ausführungsformen von Prüfgeräten geschildert und gleichzeitig werden auch Formgebungen von Sicherheitsdokumenten mit unterschiedlicher Anordnung El-wirksamer Substanzen angegeben.Various embodiments are illustrated in FIGS. 1 to 17 described by test equipment and at the same time Shapes of security documents with different Arrangement of El-active substances specified.

In Figur 1 ist erkennbar, daß das Prüfgerät im wesentlichen aus zwei einen gegenseitigen Abstand zueinander einnehmenden Trägern 28,30 besteht, wobei bevorzugt der dem Beobachter 27 zugewandte, obere Träger 28 durchsichtig ausgebildet ist und z.B. aus einem Glas oder Kunststoff mit einer transparenten, innen angebrachten, elektrisch leitfähigen Beschichtung aufweist, welche die eine Elektrode 33 bildet. An dieser Elektrode setzt der eine Kontakt 34 auf, der mit seinem einen Pol mit dem Anschluß 31 verbunden ist.In Figure 1 it can be seen that the test device essentially two spaced from each other Carriers 28,30, preferably the observer 27th facing, upper support 28 is transparent and e.g. made of a glass or plastic with a transparent, internally attached, electrically conductive coating which forms the one electrode 33. A contact 34 is placed on this electrode, the one with its one pole is connected to the terminal 31.

Die gegenüberliegende Elektrode 32 ist z.B. als Aluminium-Eloxal auf der inneren Oberfläche des unteren Trägers 30 angebracht und ist ebenfalls über den Kontakt 34 mit dem anderen Pol des Anschlusses 31 verbunden.The opposite electrode 32 is e.g. as anodized aluminum on the inner surface of the lower beam 30 attached and is also via the contact 34 with the other pole of the terminal 31 connected.

Es wird also zwischen den beiden Elektroden 32,33 ein elektromagnetisches Wechselfeld 36 erzeugt, welches das zwischen die Träger 28,30 eingeführte Wert- und Sicherheitserzeugnis 1 durchsetzt, so daß dieses Wechselfeld auch die El-wirksamen Substanzen durchsetzt und das damit geschaffene El-Druckbild 29 zum Aufleuchten bringt.So there is an electromagnetic between the two electrodes 32,33 Alternating field 36 generated, which between the Carrier 28.30 imported value and security product 1 enforced so that this alternating field also the El-effective Substances penetrated and the resulting El print image 29 lights up.

Die Figuren 2 und 3 zeigen ein entsprechendes Prüfgerät mit Elektroden 53,54, die ebenfalls gegenüberliegend angeordnet sind und über entsprechende Anschlüsse 31 kontaktiert sind. Zusätzlich kann - gemäß Figur 3 - noch eine Beleuchtungsquelle 55 beliebiger Art verwendet werden, um eine zusätzliche Anregung des El-Druckbildes zu erreichen. In allen Fällen wird hierbei das zu überprüfende Wert- und Sicherheitserzeugnis 1 durch den Einführspalt 56 in das Prüfgerät eingeführt.Figures 2 and 3 show a corresponding test device Electrodes 53, 54, which are also arranged opposite one another are and are contacted via corresponding connections 31. In addition - according to FIG. 3 - there can also be an illumination source 55 of any kind can be used to add one To achieve excitation of the El print image. In all cases the value and security product to be checked 1 through the insertion gap 56 into the tester.

Die Figur 4 zeigt in Abwandlung zu dem Ausführungsbeispiel nach Figur 1, daß eine Elektrodenanordnung 35 auch nur an einem einzigen Träger 28 angeordnet werden kann, wobei eine Elektrodenanordnung verwendet wird, wie sie beispielsweise mit der Elektrodenanordnung 35 nach Figur 5 dargestellt ist.FIG. 4 shows a modification of the exemplary embodiment Figure 1 that an electrode assembly 35 only on one single carrier 28 can be arranged, one Electrode arrangement is used, such as with of the electrode arrangement 35 according to FIG. 5.

Der obere Träger 28 besteht wiederum aus einem transparenten Glas oder Kunststoff, wobei eine planare Elektrodenanordnung 35 beschrieben wird, die in Figur 5 näher dargestellt ist. Diese Elektrodenanordnung wird aus fingerförmig ineinandergreifenden Elektrodenfingern 39,40 gebildet, wobei die Elektrodenfinger 39,40 zwischen sich den Feldspalt 26 ausbilden und voneinander isoliert sind. Die gesamte Anordnung ist auf einer Isolationsschicht 41 aus z.B. Si-Oxid aufgebracht, wobei die Elektrodenfinger 40 durch einen Basisleiter 38 leitfähig miteinander verbunden sind, während die Elektrodenfinger 39 durch einen Basisleiter 38a (vergleiche Figur 11) leitfähig miteinander verbunden sind. Die Basisleiter 38,38a bestehen bevorzugt aus einer Goldschicht, während die Elektrodenfinger 39,40 aus der vorher beschriebenen ITO-Paste bestehen oder aus einer transparenten Goldschicht.The upper carrier 28 in turn consists of a transparent Glass or plastic, with a planar electrode arrangement 35 is described, which is shown in more detail in Figure 5. This Electrode arrangement is made of interlocking fingers Electrode fingers formed 39.40, the electrode fingers 39.40 form the field gap 26 between them and from each other are isolated. The entire arrangement is on an insulation layer 41 from e.g. Si oxide applied, the electrode fingers 40 conductive to each other through a base conductor 38 are connected, while the electrode fingers 39 by a Base conductor 38a (see FIG. 11) is conductive to one another are connected. The base conductors 38, 38a preferably consist of a gold layer, while the electrode fingers 39.40 from the ITO paste described above or consist of a transparent gold layer.

Die Figur 6 zeigt in Abwandlung des Ausführungsbeispiels nach Figur 4, daß noch zusätzlich an der Innenseite des oberen Trägers 28 eine Fluoreszenzschicht 42 angeordnet werden kann, welches durch die von dem El-Druckbild abgegebenen Emission zum Aufleuchten gebracht wird. Hierbei wird als erfinderisch beansprucht, daß das Aufleuchten der Fluoreszenz-Schicht 42 entweder im sichtbaren Bereich oder auch im unsichtbaren Bereich erfolgt.FIG. 6 shows a modification of the exemplary embodiment Figure 4 that additionally on the inside of the upper Carrier 28, a fluorescent layer 42 can be arranged, which is caused by the emission emitted by the El printed image Is brought on. This is considered inventive claims that the fluorescent layer 42 lights up either in the visible area or in the invisible area Area.

Ein abgewandeltes Ausführungsbeispiel im Vergleich zu Figur 4 zeigt die Figur 7, wo erkennbar ist, daß die vorher beschriebene Elektrodenanordnung 35 auf einem nun unten angebrachten Träger 28 befestigt ist und die von der Elektrodenanordnung erzeugten Wechselfeder das Wert- und Sicherheitserzeugnis 1 von unten her durchsetzen, so daß es von oben her durch den transparenten Träger 30 ohne weiteres beobachtet werden kann, ohne daß es hierbei notwendig ist, in der Sichtlinie eine Elektrodenanordnung selbst anzuordnen.A modified exemplary embodiment in comparison to FIG. 4 shows Figure 7, where it can be seen that the previous described electrode assembly 35 on a now attached below Carrier 28 is attached and that of the electrode assembly alternating spring generated the value and Enforce security product 1 from below, so that it from above through the transparent carrier 30 without further notice can be observed without it being necessary in to arrange an electrode arrangement itself in the line of sight.

Die Figuren 4, 6 und 7 zeigen, daß das von der Elektrodenanordnung 35 erzeugte Wechselfeld 37 jeweils das Sicherheitsdokument 1 - zumindest im Bereich des El-Druckbildes 29 - durchsetzt.Figures 4, 6 and 7 show that this is from the electrode assembly 35 alternating field 37 each generated the security document 1 - at least in the area of the El printed image 29 - enforced.

In Figur 8 ist gezeigt, daß die von dem El-Druckbild 29 abgegebene Emission 43 als Primär-Emission auf die Fluoreszenz-Schicht 42 trifft, die ihrerseits eine Sekundäremission 44 erzeugt, die entweder im sichtbaren Bereich von einen Beobachter 27 erfaßt werden kann oder - im nicht-sichtbaren Bereich - von einem Prüfgerät ausgewertet werden kann.It is shown in FIG emitted emission 43 as the primary emission on the fluorescence layer 42, which in turn has a secondary emission 44 generated either in the visible range of one Observer 27 can be detected or - in the invisible Area - can be evaluated by a test device.

Das Prüfgerät nach den Figuren 9 bis 11 besteht im wesentlichen wiederum aus den beiden gegenüberliegenden Trägern 28,30, in deren Zwischenraum ein elektromagnetisches Wechselfeld ausgebildet wird, wobei an der einen Seite dieser beiden Träger 28,30 ein Gehäuse 49 angeordnet ist, welches an seiner Oberseite einen Schalter 50 trägt und welches entsprechende Batterien 46 zur Stromversorgung und eine elektronische Leiterplatte 47 beherbergt, auf welcher die Elektronik 48 aufgebaut ist. Durch Druck auf den Schalter 50 wird damit das elektromagnetische Wechselfeld erzeugt, welches das als Sicherheitsmerkmal 9,10 ausgebildete El-Druckbild 29 mindestens teilweise durchsetzt und dieses zum Aufleuchten bringt.The test device according to FIGS. 9 to 11 essentially consists again from the two opposite beams 28,30, in the space between them is an alternating electromagnetic field is formed, being on one side of these two carriers 28,30 a housing 49 is arranged, which on its Top carries a switch 50 and which corresponding Batteries 46 for power supply and an electronic PCB 47 on which the electronics 48th is constructed. By pressing the switch 50 it is generated alternating electromagnetic field, which the as Security feature 9,10 trained El-print image 29 at least partially interspersed and lights up.

Die Figur 11 zeigt nun, daß die vorher nun beschriebene Elektrodenanordnung 35 entweder an der Innenseite des unteren Trägers 30 oder an der Innenseite des oberen Trägers 28 angeordnet sein kann.Figure 11 now shows that the previously described Electrode assembly 35 either on the inside of the lower one Carrier 30 or on the inside of the upper carrier 28 can be arranged.

Die Figuren 12 und 13 zeigen, daß die Elektrodenfinger 39,40 in gegenseitigem Abstand zueinander angeordnet sind und zwischen sich etwa zueinander parallele Feldspalte 26 ausbilden. Figures 12 and 13 show that the electrode fingers 39.40 in are spaced from each other and between field gaps 26 that are approximately parallel to one another are formed.

Die gesamte Anordnung wird dann über eigens angebrachte, leitfähige Kontaktflächen 52 mit den Kontakten 34 verbunden. Zusätzlich kann an der Innenseite des Trägers 28 noch eine Lumineszenzschicht 51 angeordnet werden. Die Funktion dieser Lumineszenz-Schicht wurde anhand der Figur 20 bereits schon erläutert.The entire arrangement is then made using specially Conductive contact surfaces 52 connected to the contacts 34. In addition, another can be on the inside of the carrier 28 Luminescence layer 51 can be arranged. The function of this The luminescence layer has already been shown in FIG. 20 explained.

Die Figuren 14 und 15 zeigen hierbei, wie die Elektrodenanordnung 35 in dem Prüfgerät integriert ist. Hierbei ist erkennbar, daß an den Kontaktflächen 52 die Kontakte 34 ansetzen und hierbei unmittelbar in die Elektronik 48 eingeführt sind, an welche ein Netzteil 57 anschließbar ist. In einer bevorzugten Ausführungsform weist die Elektrodenanordnung 35 in gegenseitigem Abstand zueinander und isolierend voneinander angebrachte Elektrodenfinger 39,40 auf, wobei Leiterbahnbreiten 58 von typisch 100 µm bevorzugt werden, bei einem Leiterbahnabstand 59 von bevorzugt 50 µm.Figures 14 and 15 show how the electrode arrangement 35 is integrated in the test device. Here is recognizable that the contacts 34 start and directly into the electronics 48 are introduced, to which a power supply unit 57 can be connected. In a preferred embodiment, the electrode arrangement 35 spaced from each other and isolating electrode fingers 39, 40 attached from one another, wherein Conductor widths 58 of typically 100 µm are preferred, at a conductor track spacing 59 of preferably 50 μm.

Zur Isolation wird über die gesamte Anordnung eine Oxid-Schicht in Aufdampftechnik aufgebracht.An oxide layer is used for insulation over the entire arrangement applied by vapor deposition.

Figur 16 zeigt, daß es gemäss einer anderen Ausführungsform möglich ist, an der Unterseite des Sicherheitsdokuments 1 eine etwa flächige Elektrode 32 in Form einer leitfähigen Druckfarbe 16 aufzubringen und diese ebenfalls zu kontaktieren, wobei dann das Wert- und Sicherheitserzeugnis 1 ein El-Druckbild 29 trägt. Die Gegenelektrode ist hierbei an einem Träger des Prüfgeräts angeordnet, welches in der Zeichnung Figur 17 beschrieben ist.Figure 16 shows that it is according to another embodiment is possible at the bottom of the security document 1 approximately flat electrode 32 in the form of a conductive printing ink 16 to bring up and contact them as well, then the value and security product 1 bears an El print image 29. The counter electrode is on a carrier of the test device arranged, which is described in the drawing Figure 17.

Das zwischen den beiden Elektroden erzeugte Wechselfeld 36 durchsetzt dann die El-wirksamen Substanzen und bringt diese zum Aufleuchten. Als typisches Beispiel kann hier genannt werden, daß die Höhe der Stichtiefdruckfarbe 2 über der Basis des Sicherheitsdokuments 1 (Höhe 21) typischerweise 10 bis 20 µm beträgt, während die Dicke 22 des Sicherheits-dokuments 1 typischerweise 100 µm bei einem Flächengewicht von 90g pro Quadratmeter beträgt, und die Dicke 23 der unteren Flächenelektrode 32 etwa 3 bis 10 µm beträgt.The alternating field 36 generated between the two electrodes then enforces the El-active substances and brings them to light up. As a typical example can be mentioned here that the height of the intaglio ink 2 above the base of security document 1 (height 21) typically 10 to 20 µm, while the thickness 22 of the security document 1 typically 100 µm with a basis weight of 90g per square meter, and the thickness 23 of the lower surface electrode 32 is about 3 to 10 microns.

Die Figur 17 zeigt unter Hinzunahme des Ausführungsbeispiels in Figur 16, daß das Wert- und Sicherheitserzeugnis auch an seiner Seite - z.B. der Unterseite - mit einer Elektrode 32 beschichtet sein kann, die von dem einen Kontakt 34 kontaktiert wird. Der andere Kontakt wird als Flächenkontakt von der Innenseite des oberen, durchsichtigen Trägers 28 angeordnet, wobei die genannte Elektrodenanordnung durch eine Isolationsschicht abgedeckt ist, so daß die dort als Elektrode ausgebildete, vollflächige ITO bzw. Gold-Beschichtung möglichst vollflächig von der Isolationsschicht 41 abgedeckt ist. An dieser Schicht setzt der andere Kontakt 34 leitfähig an. FIG. 17 shows the embodiment in FIG Figure 16 that the value and security product also at its Side - e.g. the bottom - with an electrode 32 can be coated, which is contacted by the one contact 34 becomes. The other contact is the surface contact of the Arranged on the inside of the upper, transparent support 28, wherein said electrode arrangement by a Insulation layer is covered, so that there as an electrode trained, full-surface ITO or gold coating if possible is completely covered by the insulation layer 41. On this layer, the other contact 34 is conductive.

ZeichnungslegendeDrawing legend

11
Wert- und SicherheitserzeugnisValue and security product
22nd
StichtiefdruckfarbeIntaglio printing ink
99
SicherheitsmerkmalSecurity feature
1010th
SicherheitsmerkmalSecurity feature
1616
leitfähige Druckfarbeconductive ink
2121
Höheheight
2222
Dickethickness
2323
Dickethickness
2626
FeldspaltField gap
2727
Beobachterobserver
2828
Trägercarrier
2929
El-DruckbildEl print image
3030th
Trägercarrier
3131
Anschlüsseconnections
3232
Elektrodeelectrode
3333
Elektrodeelectrode
3434
KontaktContact
3535
ElektrodenanordnungElectrode arrangement
3636
WechselfeldAlternating field
3737
WechselfeldAlternating field
3838
Basisleiter 38aBase conductor 38a
3939
ElektrodenfingerElectrode fingers
4040
ElektrodenfingerElectrode fingers
4141
IsolationsschichtInsulation layer
4242
FluoreszenzschichtFluorescent layer
4343
Emissionemission
4444
Emissionemission
4545
BeschichtungCoating
4646
Batteriebattery
4747
LeiterplatteCircuit board
4848
Elektronik electronics
4949
Gehäusecasing
5050
Schalterswitch
5151
LumineszenzschichtLuminescent layer
5252
KontaktflächeContact area
5353
FlächenelektrodeSurface electrode
5454
FlächenelektrodeSurface electrode
5555
BeleuchtungsquelleLighting source
5656
EinführspaltInsertion gap
5757
Netzteilpower adapter
5858
Breitewidth
5959
Abstanddistance

Claims (9)

Prüfgerät zur visuellen und/oder maschinellen Echtheitsprüfung von Wert- oder Sicherheitsdokumenten, die mit elektrolumineszierenden Substanzen versehene Sicherheitsmerkmale aufweisen, dadurch gekennzeichnet, daß das Prüfgerät zwei zueinander parallele Träger (28,30) aufweist, zwischen die das zu prüfende Dokument einführbar ist, wobei mindestens einer der Träger (28,30) durchsichtig ist, und daß an mindestens einem der Träger (28, 30) eine Elektrodenanordnung (35) vorgesehen ist, die geeignet ist, ein elektromagnetisches Wechselfeld zu erzeugen, welches das Wert- und Sicherheitserzeugnis (1) mindestens an den Stellen durchsetzt, an denen die El-aktiven Sicherheitsmerkmale (9, 10, 29) angeordnet sind und dadurch die El-aktiven Sicherheitsmerkmale (9, 10, 29) derart angeregt werden, daß sie Photonen aussenden, welche visuell oder maschinell auswertbar sind.Tester for visual and / or machine Authenticity check of value or security documents with provided electroluminescent substances Have security features, characterized in that the Testing device has two mutually parallel supports (28, 30), between which the document to be checked can be inserted, whereby at least one of the carriers (28, 30) is transparent, and that on at least one of the carriers (28, 30) Electrode arrangement (35) is provided which is suitable for a Generate alternating electromagnetic field, which the value and Safety product (1) at least in the places enforced, at which the El-active security features (9, 10, 29) are arranged and thereby the El active Security features (9, 10, 29) are excited so that they Send out photons, which can be evaluated visually or mechanically are. Prüfgerät nach Anspruch 1, dadurch gekennzeichnet, daß beide Elektroden in Form einer gemeinsamen Elektrodenanordnung (35) auf einer Seite eines ortsfesten Trägers (28 oder 30) angeordnet sind.Testing device according to claim 1, characterized in that both Electrodes in the form of a common electrode arrangement (35) on one side of a fixed beam (28 or 30) are arranged. Prüfgerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Elektrodenanordnung (35) im wesentlichen planar ausgebildet ist, mit in etwa auf gleicher Ebene angeordneten und nebeneinander liegenden Elektroden (39, 40), die zwischen sich einen Feldspalt (26) ausbilden, wobei die El-aktiven Sicherheitsmerkmale von den im Feldspalt (26) erzeugten Feldlinien des elektromagnetischen Wechselfeldes durchsetzt werden. Testing device according to claim 1 or 2, characterized in that that the electrode arrangement (35) is essentially planar is formed with approximately at the same level and adjacent electrodes (39, 40), which between form a field gap (26), the El active Security features of those generated in the field gap (26) Field lines of the alternating electromagnetic field interspersed become. Prüfgerät nach Anspruch 3, dadurch gekennzeichnet, daß die Elektrodenanordnung (35) aus kammartig ineinander greifenden Elektrodenfingern (39,40) besteht, welche Elektrodenfinger (39,40) einen mäanderförmigen Feldspalt (26) zwischen sich ausbilden.Testing device according to claim 3, characterized in that the Electrode arrangement (35) made of interdigitated combs Electrode fingers (39.40), which electrode fingers (39.40) a meandering field gap (26) between them form. Prüfgerät nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Elektrodenanordnung auf einer Isolationsschicht (41) aufgebracht ist.Testing device according to one of claims 1 to 4, characterized characterized in that the electrode arrangement on a Insulation layer (41) is applied. Prüfgerät zur visuellen und/oder maschinellen Echtheitsprüfung von Wert- oder Sicherheitsdokumenten, die mit elektrolumineszierenden Substanzen versehene Sicherheitsmerkmale aufweisen, dadurch gekennzeichnet, daß das Prüfgerät zwei zueinander parallele Träger (28,30) aufweist, zwischen die das zu prüfende Dokument einführbar ist, wobei mindestens einer der Träger durchsichtig ist, und daß an beiden Trägern (28,30) Elektroden (32,33; 53,54) angeordnet sind, die in der Art von Plattenkondensatoren zwischen sich ein elektromagnetisches Wechselfeld erzeugen, welches das Wert- und Sicherheitserzeugnis (1) mindestens an den Stellen durchsetzt, an denen die El-aktiven Sicherheitsmerkmale (9,10, 29) angeordnet sind und dadurch die El-aktiven Sicherheitsmerkmale (9, 10, 29) derart angeregt werden, daß sie Photonen aussenden, welche visuell oder maschinell auswertbar sind.Tester for visual and / or machine Authenticity check of value or security documents with provided electroluminescent substances Have security features, characterized in that the Testing device has two mutually parallel supports (28, 30), between which the document to be checked can be inserted, whereby at least one of the supports is transparent, and that on both Carriers (28,30) electrodes (32,33; 53,54) are arranged, the in the manner of plate capacitors between them Generate alternating electromagnetic field, which the value and Security product (1) enforced at least at the points, where the El-active safety features (9, 10, 29) are arranged and thereby the El-active security features (9, 10, 29) are excited in such a way that they emit photons, which can be evaluated visually or by machine. Prüfgerät nach Anspruch 6, dadurch gekennzeichnet, daß beide Elektroden (32,33) gegenüberliegend auf den Trägern (28,30) angeordnet sind, und daß das Wert- und Sicherheitserzeugnis (1) in einen Einführspalt (56) zwischen den Elektroden (32,33) einführbar ist. Testing device according to claim 6, characterized in that both Electrodes (32, 33) opposite on the carriers (28, 30) are arranged, and that the value and security product (1) into an insertion gap (56) between the electrodes (32, 33) can be introduced. Prüfgerät zur visuellen und/oder maschinellen Echtheitsprüfung von Wert- oder Sicherheitsdokumenten, die mit elektrolumineszierenden Substanzen versehene Sicherheitsmerkmale aufweisen, dadurch gekennzeichnet, daß das Prüfgerät zwei zueinander parallele Träger (28,30) aufweist, zwischen die das zu prüfende Dokument einführbar ist, wobei mindestens einer der Träger durchsichtig ist, und daß auf dem Wert- und Sicherheitserzeugnis (1) eine erste Elektrode (16,32), und auf einem der Träger (28) eine zweite Elektrode (45) angeordnet ist, die zwischen sich ein elektromagnetisches Wechselfeld erzeugen, welches das Wert- und Sicherheitserzeugnis (1) mindestens an den Stellen durchsetzt, an denen die El-aktiven Sicherheitsmerkmale (9,10,29) angeordnet sind und dadurch die El-aktiven Sicherheitsmerkmale (9, 10, 29) derart angeregt werden, daß sie Photonen aussenden, welche visuell oder maschinell auswertbar sind.Tester for visual and / or machine Authenticity check of value or security documents with provided electroluminescent substances Have security features, characterized in that the Testing device has two mutually parallel supports (28, 30), between which the document to be checked can be inserted, whereby at least one of the carriers is transparent, and that on the Value and security product (1) a first electrode (16,32), and on one of the carriers (28) a second electrode (45) is arranged between them an electromagnetic Generate alternating field, which the value and Security product (1) enforced at least at the points, where the El-active safety features (9,10,29) are arranged and thereby the El-active security features (9, 10, 29) are excited in such a way that they emit photons, which can be evaluated visually or by machine. Prüfgerät nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass an einer der Trägerplatten (28 oder 30) eine Fluoreszenzschicht (42) angeordnet ist, welche aus einer von dem El-aktiven Sicherheitsmerkmal (29) emittierten, sichtbaren oder nicht-sichtbaren Primärstrahlung eine Sekundärstrahlung im sichtbaren Bereich erzeugt.Testing device according to one of claims 1 to 8, characterized characterized in that on one of the carrier plates (28 or 30) a fluorescent layer (42) is arranged, which consists of a emitted by the El-active security feature (29), visible or invisible primary radiation Secondary radiation generated in the visible range.
EP00119980A 1997-03-04 1998-02-25 Device for the visual and machine-assisted validation of value and security documents Expired - Lifetime EP1059619B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19708543A DE19708543C2 (en) 1997-03-04 1997-03-04 Valuable and security product with luminescent security elements and method for producing the same
DE19708543 1997-03-04
EP98914854A EP0964791B1 (en) 1997-03-04 1998-02-25 Value or security product with luminescent security elements and method for the production and use thereof in respect to visual and machine-operated detection of authenticity

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DE102004022752B4 (en) 2004-05-07 2018-03-08 Bundesdruckerei Gmbh Apparatus for checking the authenticity of a value or security document
DE102013114496A1 (en) 2013-12-19 2015-06-25 Bundesdruckerei Gmbh Zinc sulfide phosphor with photo and electroluminescent behavior, process for its preparation and security document, security feature and method for its detection
DE102020111461B3 (en) 2020-04-27 2021-09-02 Bundesdruckerei Gmbh Security feature and method for its detection as well as security or value document
DE102021119436A1 (en) 2021-07-27 2023-02-02 Bundesdruckerei Gmbh Security feature and method for its detection as well as security or value document

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