EP2974877A1 - Valuable document with direct view/transparent effect and method of manufacturing it - Google Patents

Abstract

The invention relates to methods for producing a value document (1) and to a value document (1) which has a translucent substrate (2) with a front side (3) and a back side (4), at least one first information item on the front side (3) (5) and on the back (4) at least one second information (6) is arranged, wherein the at least one second information (6) in the register to the at least one first information (5) is arranged.

According to the invention, first of all a translucent substrate (2) is provided which has a front side (3) and a back side (4). At least one first information item (5) is then applied to the front side (3) of the substrate (2) and at least one second item of information (6) is applied to the rear side (4) of the substrate (2), wherein the at least one second item of information (6) in the register to the at least one first information (5) is arranged. Subsequently, at least one third piece of information (7, 8) is applied to the front side (3) and / or rear side (4) of the substrate (2), the at least one third piece of information (7, 8) being at least partially above the at least one first piece of information (5) and / or second information (6) is arranged. In the last method step according to the invention, a register is produced between the at least one third information item (7, 8) and the at least one first item of information (5) and / or second item of information (6).

Description

The invention relates to methods for producing a value document and to a value document which has a translucent substrate with a front side and a rear side, wherein at least one first information is arranged on the front side and at least one second information on the rear side, wherein the at least one second information is arranged in the Passer is arranged to the at least one first information.

It is known that one can influence the surface tension of paints, lacquers and coatings via additives. In particular, the hydrophobing of existing paints and lacquers is used in practice to improve the wetting on substrates or forms. For hydrophobing, for example, silicone oils or waxes are suitable. Furthermore, it is known in practice to improve the soil repellency by a hydrophobing of paints. In the case of UV-drying paints, some UV-crosslinking silicone resins are used for this purpose.

Furthermore, it is known that certain effect colors show their color only on dark surfaces and / or at certain tilt angles. These include, for example, inks with liquid crystal pigments (LCP) or with iriodin pigments. Iriodin pigments are interference pigments from Merck, which consist predominantly of mica-based pearlescent pigments.

Furthermore, for example, from the publications WO 2006/015733 A1 and WO 2013/124059 A1 It is known that paints or coatings are ablated or removed by means of laser beams or modified in their structure or visibility when they show absorption in the wavelength range of the laser radiation.

In banknote printing, the super-simulcast printing machine is prior art, with which it is possible to realize a multicolor front-side printing adapted to the backside printing, since in this machine, the printing of all colors on the front and back side of the substrate takes place simultaneously. The substrate is guided between two blanket cylinders, each of these blanket cylinder simultaneously performs the task of a counter-pressure cylinder for the opposite color transfer cylinder. Of course, other printing machines meet the requirement, if the principle "blanket to blanket" is used. In these machines, a high-pressure, Toray- (also called water-based effect print) or offset printing plate is inked by means of inking rollers and the subject of the printing plate on the blanket cylinder (in web presses, the blanket cylinder may also be a rubber roller) transmitted.

Inks containing effect pigments are also referred to as effect colors. The printing of these effect pigments on the substrate is usually done with a separate printing machine, usually in gravure, flexo or screen printing, in order to achieve an optimum optical effect. This is due, for example, to the particular size of the effect pigments, the shape (eg platelet-shaped) and the need for a plane-parallel orientation of the pigments with respect to the surface of the substrate. The pressure with a separate printing machine, however, has the disadvantage that due to a new plant of the substrate and possible further mechanical transfer inevitably leads to Passerschwankungen between the prints produced with different printing processes. The register variations can vary depending on the quality of the press and the substrate (flatness, dimensional stability), substrate size, active drying The color (UV dryer, hot air / IR dryer), etc. are a few millimeters and are therefore also recognizable to laymen.

If effect colors are printed on both the front and the back side of a substrate, then the effect colors are usually applied in different printing steps, which leads to a further increase in register variations. This passer problem arises even when film elements and printed images are applied to the substrate with different methods and different machines.

The invention is therefore the object of developing a generic method for producing a value document and the generic value document such that the disadvantages of the prior art is eliminated and the protection against counterfeiting is further increased.

This object is solved by the features of the independent claims. Further developments of the invention are the subject of the dependent claims.

According to the invention, a translucent substrate is first provided which has a front side and a rear side. Subsequently, at least one first information is applied to the front side of the substrate and at least one second information is applied to the rear side of the substrate, wherein the at least one second information is arranged in register with the at least one first information. Subsequently, at least one third information is applied to the front side and / or rear side of the substrate, wherein the at least one third information is arranged at least partially over the at least one first information and / or second information. In the last invention In the method step, a register is produced between the at least one third information and the at least one first information and / or second information.

In the value document according to the invention, at least one third piece of information is thus arranged on the front side and / or rear side of the substrate, which is arranged overlapping at least partially with the at least one first piece of information and / or second piece of information, wherein the at least one third piece of information in the register is at least a first information and / or second information is arranged.

One of the basic ideas of the invention lies in the fact that coatings which can not be applied to the register in the register are brought into contact with one another in the register.

As a register or register in the sense of this invention, the positional accuracy of printed images or other elements to each other on the front and / or back of a substrate is called. For example, in the case of parts of printed images which complement one another in a transcript to an overall printed image, even slight deviations of less than 0.1 mm between the respective printed images disturb the visual impression in transparency considerably. The DIN 16500-2: 1987-01 defines as Passer the accuracy in the printing technique, with which the intended reproduction quality of the reproduced details is achieved or maintained.

Review is when the illumination of the substrate is from one side and viewing from the other side. Supervision is when the illumination and viewing is from the same side of the substrate.

Translucency in the sense of this invention means that an object, such as the substrate, can pass incident light only to a certain extent. If light strikes one side of the object, a certain portion of the light is transmitted to the other side of the object and exits there again. The greater the percentage of transmitted light relative to the incident light, the more translucent the object is.

However, a translucent object is neither transparent nor opaque in the sense of this invention. An object is said to be transparent if the percentage of light passing through the object with respect to the light incident on the object is at least 90%, i. The object allows the incident light to pass through almost unimpaired, as in a window or opening. An object, on the other hand, which transmits less than 10% and preferably about 0% of the incident light, i. where the amount of transmitted light relative to the incident light is low or near zero, is said to be opaque or non-translucent.

The substrate according to the invention can be embodied as a single-layer or multi-ply security paper. Multi-ply security paper contains at least one ply of paper. The further layers can likewise be made of paper, but also of other materials, for example by plastic films. The security paper is particularly preferably made of cotton fibers, as used for example for banknotes.

Preferably, the substrate may also consist of paper of other natural fibers, also preferably of synthetic fibers or of a mixture of natural and synthetic fibers. Furthermore, it is preferred Substrate of a combination of at least two superimposed and interconnected different substrates, a so-called hybrid, for example a combination plastic film paper plastic film, ie a paper substrate is covered on each side by a plastic film, or paper-plastic film paper ie, a substrate made of a plastic film is covered on each of its two sides by a paper substrate.

Information on the weight of the substrate used (unprinted and uncoated) are, for example, in the Scriptures DE 102 43 653 A9 specified, the statements of which are fully incorporated in this application in this regard. The font DE 102 43 653 A9 in particular, that the paper layer usually has a weight of 50 g / m ² to 100 g / m ² , preferably from 80 g / m ² to 95 g / m ² . Of course, depending on the application, any suitable weight can be used.

Documents of value in which such a substrate or security paper can be used are, in particular, banknotes, stocks, bonds, certificates, vouchers, checks, high-quality admission tickets, but also other papers which are subject to counterfeiting, such as passports and other identity documents, as well as cards, such as credit cards. or debit cards whose card body has at least one layer of security paper, and also product securing elements such as labels, seals, packages and the like.

The simplified term value document includes all the above materials, documents and product safeguards.

The terms "front" or "back" of the substrate or value document are relative terms, which may also be referred to as "the one" and "the opposite" sides, and which constitute the majority of the total surface area of the substrate or value document. Specifically, these terms do not include the side surfaces of a substrate or document of value that are negligibly small and typically not provided with security features or coatings for a thickness of a substrate or value document that is only about a millimeter in card bodies or fractions of a millimeter for banknotes be or can be. In particular, no see-through effects can be achieved with the side surfaces.

Information in the sense of this invention is a pattern-shaped and visually perceptible coating. This can, for example, form a graphic image, an image, a number, a letter, a text or other characters. Particularly preferably, the information consists of positive or / and negative motives. In the case of a positive motif, in this case a motif element is itself applied to the substrate, whereas in the case of a negative motif the area surrounding the motif element is applied to the substrate. For example, a positive subject is a letter printed in dark color on the light substrate. A negative motif is, for example, a surface applied in a dark color to the substrate, which has an unprinted area in the form of a letter within the area.

With the aid of the invention, a value document results in a particularly advantageous manner, which in plan view on the front side forms a first motif, which is formed from the first and the third information, and on the rear side a second motif, which is formed from the second and optionally third information as well as a third motive is shown, whereby the third motive results from superposition of the first and the second motive.

According to a particularly preferred embodiment, the coating consists of a printing ink which is printed on the substrate by means of a printing method known from the prior art, or of a film element which is glued or laminated to the substrate, or of a transfer element which by means of a transferred from the prior art transfer method is transferred to the substrate.

According to a preferred embodiment, in the last method step of the method according to the invention, the third information is at least partially repelled or only incompletely wetted by the at least one first information and / or second information and is deposited at least partially outside the at least one first information and / or second information. Instead, the third information can also be at least partially rejected from the area outside the at least one first information and / or second information, or wetted only incompletely and at least partially accumulated within the at least one first information and / or second information. Such repulsion and addition processes are for example from the publications WO 03/029019 A1 . WO 2009/083146 A2 and WO 2010/057995 A1 known.

Preferably, the two aforementioned embodiments additionally include the application of a reflective layer, preferably by screen printing or flexographic printing or gravure printing. Subsequently, a translucent or transparent diffractive element is at least partially applied over this reflection layer. The translucent or transparent diffractive Element is recognizable in the area in which it is located above the reflection layer, outside this area it is not or only slightly or weakly recognizable.

According to an alternative preferred embodiment, in the last method step of the method according to the invention, the at least one first information and / or second information has a dark surface. The third information consists of an optically variable element, which is only visible through a dark background. Thus, a viewer recognizes the optically variable element only in the area in which it is in front of the dark surface of the at least one first information and / or second information.

For the purposes of this invention, a dark surface, for example a dark background, is a light-absorbing surface or surface which reflects little or no light in the direction of the optically variable element.

• eine Druckfarbe, die transparente oder transluzente Effektpigmente oder Flüssigkristalle, die nach der Applikation vernetzt werden, enthält; bei den Effektpigmenten handelt es sich bevorzugt um Interferenzpigmente erster und zweiter Ordnung, wie beispielsweise Flüssigkristallpigmente (LCP) oder Iriodin, oder um metallische Effektpigmente, die aufgrund ihrer geringen metallischen Beschichtungsstärke nahezu transparent sind und erst auf einem dunklen Untergrund eine Deckfähigkeit aufweisen; oder
• ein diffraktives Element, das beispielsweise auf einem Folienelement in Form eines Patches oder Streifenelements aufgebracht und mit diesen auf das Substrat aufgebracht werden kann oder das in die Oberfläche eines Transferlackes oder einer Transferfolie eingebracht und mit diesen auf das Substrat transferiert werden kann, oder
• ein diffraktives Element in Form eines Volumenhologramms, wobei der hierbei zugrunde liegende Effekt beispielsweise aus der Druckschrift EP 2362275 A1 bekannt ist, oder
• ein diffraktives Element in Form eines transparenten Reflexionshologramms, das ohne eigene Reflexionsschicht über eine erfindungsgemäß strukturierte Reflexionsschicht aufgebracht wird, oder
• ein Element auf Basis von Mikrospiegeln mit keiner oder nur einer derart dünnen metallischen Beschichtung, dass sie ohne dunklen Hintergrund nicht erkennbar sind, oder
• einer spiegelnden transparenten Interferenzschicht.

Particularly preferably, the optically variable element is formed by:

• a printing ink containing transparent or translucent effect pigments or liquid crystals which are crosslinked after application; the effect pigments are preferably first and second order interference pigments, such as, for example, liquid crystal pigments (LCP) or iriodin, or metallic effect pigments which, because of their low metallic coating thickness, are almost transparent and have opacity only on a dark substrate; or
• a diffractive element which can be applied, for example, to a film element in the form of a patch or strip element and applied to the substrate with it or into the surface of a substrate Transfer lacquer or a transfer film can be introduced and transferred to the substrate, or
• a diffractive element in the form of a volume hologram, the underlying effect, for example, from the publication EP 2362275 A1 is known, or
• a diffractive element in the form of a transparent reflection hologram, which is applied without a separate reflection layer over a reflection layer structured according to the invention, or
• an element based on micromirrors with no or only such a thin metallic coating that they are not recognizable without a dark background, or
• a specular transparent interference layer.

An optically variable element in the sense of this invention is therefore an element whose visual appearance changes upon tilting of the element. For example, when the optically variable element is tilted, its color changes, a bar appears to move from one side of the element to another, tilting displays different characters, or a so-called pumping effect appears as an enlarging or contracting outline of an image subject.

According to an alternative preferred embodiment, the at least one first information or second information in the areas in which it is covered by the third information, at least partially removed by a laser beam in the last step of the method according to the invention. The region of the first information or second information removed by the laser beam in this case carries the third information arranged above it. This means that in this embodiment the at least one first or second information can be laser ablatable and the third information for the laser beam is transparent and not laser ablatable. The laser beam thus passes through the third information and carries off the first or second information arranged below it. The particles of the first or second information removed and accelerated by the laser beam break up the particles of the third information arranged above them and tear them away, but the particles of the third information located next to them are not removed and remain on the substrate.

According to an alternative preferred embodiment, in the last step of the method according to the invention, the contrast or hue of the at least one first information and / or second information (6) in the areas in which it is covered by the third information, at least partially changed by a laser beam , The at least one first and / or second information is thus laser-stimulable so that it becomes visually visible upon exposure to laser light or changes its hue and transparent to the laser light (and thus not laserablatierbare or stimulable) coating the third information by the laser-marked first and / or second information only visually recognizable or much better recognizable.

According to an alternative preferred embodiment, in the last method step of the method according to the invention, the first and second information simultaneously constitute a barrier to a watermark vein. This prevents a fiber-based substrate from being deposited in the locations where the first and second information are located Transparency changed. A fiber-based substrate consists for example of cotton fibers, fibers of wood cellulose, alpaca or a mixture of these substances.

According to an alternative preferred embodiment, the aforesaid embodiment in which the first and second information simultaneously constitute a barrier to a watermark varnish in the last method step of the method according to the invention is expressly excluded from the scope of the present invention.

According to a preferred embodiment, the at least one first information and / or second information is followed by at least one further information in the register, which differs in its hue and / or the visually recognizable and / or machine-readable features contained in it. The at least one further piece of information is advantageously applied in the same method step as the at least one first piece of information and / or second piece of information.

An imprint on the substrate, which contains at least a first information and the at least one second information, is preferably carried out in supersimultaneous printing or in inkjet printing, in which the front and rear sides are printed simultaneously or in the same method step. In this case, the front and back of the substrate are simultaneously printed in one printing operation, whereby a register between the applied printed images is achieved.

According to a particularly preferred embodiment, the registration is revealed to an observer by looking. Here, the registration is seen as two or more complementary, complementary and / or overlapping information from front to back. In the process, the information on the front and the back preferably complements each other in a further information.

According to a further preferred embodiment, at least one of the information according to the invention can be detected on the value document by means of a sensor of a processing machine. With particular preference, the registration of the front information to the backside information is checked with this sensor.

For both the visual and the mechanical examination of the value document, the information according to the invention can have additional features, such as, for example, luminescent (fluorescence, phosphorescence, upconversion or antistokes), IR or UV absorbing or emitting, magnetic, thermochromic or / and photochromic additives contain.

Fall A:

eine Farbabstoßung, die dazu führt, dass es in dem Teilbereich mit farbabstoßender, hydrophober Beschichtung wegen einer höheren Gesamt-Oberflächenspannung zu keiner Farbübertragung mit einer hydrophilen Farbe kommt,

Fall B:

eine Farbabstoßung, die dazu führt, dass es in dem Teilbereich mit der farbabstoßenden, hydrophoben Beschichtung zu einer Entnetzung mit einer nachfolgend aufgetragenen hydrophilen Farbe kommt.

According to the invention, the wetting disorder can be subdivided into two cases:

Case A:

a color repellency which results in no color transfer of a hydrophilic color in the sub-area having an ink-repellent, hydrophobic coating because of a higher total surface tension,

Case B:

a repellency that results in dewetting with a subsequently applied hydrophilic color in the portion having the ink-repellent, hydrophobic coating.

Case A requires, in particular, an application process based on a splitting process. The ink is transferred either directly from a flat or cylindrical printing form or indirectly, for example by means of transfer roller from the printing forme, to the substrate. In this case, a partial layer is transferred to the substrate and a second partial layer remains on the transfer roller or the printing plate. In the partial area with an ink-repellent coating thus no color separation takes place and the color remains completely or partially on the transfer roller or the printing plate. The adhesion to the portion of the ink-repellent coating must be less than the cohesive forces of the paint or the coating agent.

Printing processes in which color transfer is based on fission processes include offset printing, high-pressure, indirect high-pressure, waterless offset printing (also called Toray process), flexographic printing and gravure printing.

In the waterless offset printing, the surface tension of the ink-repellent coating is below 20 mN / m. The color itself is usually highly viscous and moderately adhesive. The process works at high printing speeds and a layer thickness range (based on the transferred to the substrate color) to 2 microns. At higher layer thicknesses, it can lead to clays.

Case B applies to all non-splitting-based application methods. These include ink-jet printing and screen printing. In both cases, the color is always completely transferred to the substrate, regardless of the substrate quality.

Depending on the surface tension of the substrate, the surface tension of the transferred paint or the coating agent, the rheology, the physical drying, the absorbency of the substrates, the smoothness of the substrates (the smoother the better) and the drying time comes it results in a more or less clearly visible dewetting of the transferred ink or the coating agent from the substrate in the area of the ink-repellent coating. The color contracts into a multitude of drops and / or forms reticular structures. For example, when the screen printing ink is dried, a few defects occur within a few seconds after application, for example about 13% of unwetted or spread defects. Drying of the screen printing ink after 4 minutes after application leads to the formation of net-like structures of the screen printing ink with few defects. Drying of the screen printing ink after 10 minutes after application leads to the formation of drop-like structures with approximately 75% of undermined defects.

Case B can also occur in printing processes based on a nip process where low viscosity inks are used. This is the case, for example, with screen printing, flexographic printing and gravure printing. In these cases, a combination of case A and B may also occur.

In the case B or the combination of A and B, it is advantageous to print the ink-repellent coating in small structures, for example points or lines arranged in a grid, since in this case the dewetting functions in a controlled way in relation to the subject.

Particularly preferably, the difference between the surface tension of the color-repelling hydrophobic and the hydrophilic color is as large as possible. The smaller the layer thickness, the more reliable the color-repellent effect.

The hydrophobing of an existing oxidatively drying offset ink can be carried out, for example, with an addition of a 1% to 3% strength emulsion of a high molecular weight polydimethylsiloxane or solution of an amino-functional polysiloxane. As an example of commercially available hydrophobizing additives which are suitable for admixture in an offset ink, mention should be made of Tego Glide 482 and Phobe 1500N from Evonik.

Alternatively, a color consisting of a UV-crosslinking silicone or a UV-crosslinking silicone and / or a UV-crosslinking fluoropolymer can be used. In particular, the use of a UV-crosslinking fluoropolymer again allows a significant reduction in the surface tension.

A combination of the ink-repellent layer with an optimized printing ink and / or phosphor block is also possible. Both prints are usually done as a final printing step, so that there is a perfect registration. In the case of a digital printing, for example, a line background printing is suitable, so that the number is not segmented too much and thus the legibility is not restricted too much.

According to a particularly preferred embodiment, the ink-repellent layer contains substances which after activation, for example by means of hot air, migrate through the printing ink to the surface and / or evaporate and thus impair the wetting or ink acceptance of a second layer. Advantage of this method is that the surface-active substances can be applied directly before the second printing step or can be used in the curing of this layer. Such an escaping liquid is preferably a hydrophobic one Liquid, like a mineral oil. The boiling range of this mineral oil is preferably between 180 ° C to 350 ° C.

It is understood that the features mentioned above and those yet to be explained below can be used not only in the specified combinations but also in other combinations, without departing from the scope of the present invention, insofar as this is covered by the scope of the claims.

Reference to the following embodiments and the additional figures, the advantages of the invention will be explained. The embodiments represent preferred embodiments, to which, however, the invention should not be limited in any way. Furthermore, the representations in the figures of the better understanding are highly schematized and do not reflect the realities. In particular, the proportions shown in the figures do not correspond to the conditions present in reality and serve exclusively to improve the clarity. Furthermore, the embodiments described in the following exemplary embodiments are reduced to the essential core information for the sake of clarity. In the practical implementation much more complex patterns or images can be used.

Fig. 1

ein erfindungsgemäßes Wertdokument mit einer beidseitig ausgeführten Abstoßung der dritten Information von der mindestens einen ersten und zweiten Information, und hierbei in Fig. 1a im Querschnitt in der Seitenansicht, in Fig. 1b in Aufsicht auf die Vorderseite, in Fig.1c in Aufsicht auf die Rückseite und in Fig. 1d in Durchsicht von der Vorderseite,

Fig. 2

ein erfindungsgemäßes Wertdokument, das auf der ersten Seite mit einer Offsetfarbe bedruckt wurde, die einen schwarzen Farbton aufweist, so dass eine weitere Beschichtung mit einer transparenten Effektfarbe an dieser Stelle in der Draufsicht visuell erkennbar ist, und hierbei in Fig. 2a im Querschnitt in der Seitenansicht, in Fig. 2b in Aufsicht auf die Vorderseite, in Fig. 2c in Aufsicht auf die Rückseite und in Fig. 2d in Durchsicht von der Vorderseite,

Fig. 3

einen erfindungsgemäßes Wertdokument, das auf der ersten Seite mit einer Offsetfarbe bedruckt wurde, die visuell nicht bzw. nur gering sichtbar ist und mittels Laser stimulierbar bzw. ablatierbar ist, und hierbei in Fig. 3a im Querschnitt in der Seitenansicht, in Fig. 3b in Aufsicht auf die Vorderseite vor der Laserung und in Fig. 3c nach der Laserung, in Fig. 3d in Aufsicht auf die Rückseite und in Fig. 3e in Durchsicht von der Vorderseite,

Fig. 4

ein erfindungsgemäßes Wertdokument mit einer einseitig ausgeführten Abstoßung der dritten Information von der mindestens einen ersten oder zweiten Information und hierbei in Fig. 4a im Querschnitt in der Seitenansicht, in Fig. 4b in Aufsicht auf die Vorderseite, in Fig. 4c in Aufsicht auf die Rückseite und in Fig. 4d in Durchsicht von der Vorderseite.

In detail, show schematically:

Fig. 1

a value document according to the invention with repulsion of the third information from the at least one first and second information executed on both sides, and in this case in FIG Fig. 1a in cross-section in the side view, in Fig. 1b in supervision on the Front, in Figure 1C in supervision on the back and in Fig. 1d looking through from the front,

Fig. 2

a document of value according to the invention which has been printed on the first side with an offset ink which has a black hue, so that a further coating with a transparent effect color is visually recognizable at this point in plan view, and in this case Fig. 2a in cross-section in the side view, in Fig. 2b in top view on the front, in Fig. 2c in supervision on the back and in Fig. 2d looking through from the front,

Fig. 3

an inventive document of value, which was printed on the first page with an offset color that is visually not or only slightly visible and can be stimulated by laser or ablatierbar, and this in Fig. 3a in cross-section in the side view, in Fig. 3b in supervision on the front before the lasering and in Fig. 3c after the lasering, in Fig. 3d in supervision on the back and in Fig. 3e looking through from the front,

Fig. 4

a document of value according to the invention with rejection of the third information from the at least one first or second information carried out on one side and in this case in Fig. 4a in cross-section in the side view, in Fig. 4b in top view on the front, in Fig. 4c in supervision on the back and in Fig. 4d in review from the front.

Fig. 1 shows in Fig. 1a in side view, a document of value 1, for example a banknote, with a substrate 2 with a front side 3 and a back side 4. A first information 5 is applied to the front side 3 in a first method step and a second information 6 is applied to the back side 4. The two pieces of information 5 and 6 each consist of an imprinted offset ink which is visually not or only slightly recognizable and which strongly hydrophobicizes the substrate 2 at this point. The offset colors of the two information 5 and 6 are respectively applied in the geometric shape of two rectangles 5.1 and 5.2 and 6.1 and 6.2 on the substrate 2, as in supervision of Fig. 1b from the front and in Fig. 1c from the back are shown with white dashed lines.

Subsequently, in a second method step, the third information 7 is applied to the front side 3 and the third information 8 is applied to the back side 4 in a third method step. The two third information items 7 and 8 are each applied to the substrate 2 in the geometric shape of a rectangle and cover the two pieces of information 5 and 6 at least partially, as in plan view Fig. 1b from the front and in Fig. 1c shown from the back.

The two third information 7 and 8 each consist of a covering effect color, which are repelled by the hydrophobic surface of the information 5 and 6, so that the parts of the opaque effect color, which were printed in the first step on the information 5 and 6 of these be repelled and attach outside of at least a first 5 and second information 6. The original rectangular pattern of the two third information 7 and 8 thus changes into the in Fig. 1b respectively. Figure 1C illustrated pattern.

In a further embodiment, the effect colors in the region 5 and 6 are repelled or wetted only incompletely such that it is only one Area with an irregular number of droplet formation comes in this area.

According to the invention, the second information 6 is applied in register with the first information item 5, wherein the two rectangles 5.1 and 6.1 are arranged in such a way that they complement each other in a transparent rectangle and overlap at the adjoining ends. The two rectangles 5.2 and 6.2 are arranged in such a way that they complement each other in phantom to form an interrupted rectangle, their inner ends having a certain overlap with one another.

The third information 7 and 8 printed in the second and third process steps are not passerhaltig to each other and not passerhaltig to the first and second information 5 and 6, so may differ in position to each other and to the first and second information 5 and 6 from banknote to banknote , However, the areas in which they are repelled by the rectangles 5.1, 5.2, 6.1 and 6.2 are arranged quasi "automatically" in the register relative to one another, since the rectangles 5.1, 5.2, 6.1 and 6.2 are arranged in register with each other.

In review thus results for a viewer in the Fig. 1d represented image of a dark or black rectangle, which is formed by the superposition of the two opaque effect colors of the front and back, which are generally opaque and thus hardly or can not pass through the light. The dark rectangle is interrupted in the upper area by a gray, a light and a gray rectangular area, which are formed by the superposition of the two rectangles 5.1 and 6.1, and in the lower area by two adjacent gray rectangular areas formed by the rectangles 5.2 and 6.2.

The bright area results from the overlapping of the two rectangles 5.1 and 6.1, since here there is no coating through the information 7 and 8 on both the front and the back. In this area, the surface of the substrate can be seen on the front and back sides, and the value document 1 therefore has the same or almost the same translucency as the substrate 2.

In the gray areas, the coating is only located on the front or back side through the information 7 or the information 8. Thus, only one of the opaque effect colors can be seen here in transmitted light, so that a certain portion of the light passes through the value document 1 can.

This in Fig. 2 embodiment shown corresponds to the in Fig. 1 shown embodiment, in which case printed on the front side 3 of the substrate 2, the first information 5 not as a hydrophobic coating, but as an offset color with a dark or black hue.

The first information 5 is hereby printed in the register for the second information 6 and already in that geometrical form on the substrate 2, in which the third information 7 is to appear on the substrate 2 when viewed from the front, as in FIG Fig. 2b you can see. The first information is here formed as a rectangle with the recesses 5.1 and 5.2 on the left side.

Subsequently, the third information 7 is printed on the first information 5, wherein the third information 7 overlaps the first information 5 over the entire area. The third information 7 may also project beyond the first information 5 on the sides. The third information 7 consists of a transparent effect color, which can be recognized only over a dark or black background. Therefore, the third information 7 can be recognized only at the locations where it is located above the first information 5 and thus overlaps it.

Thus, for a viewer in review, there is again a picture, as in Fig. 2d can be seen and out Fig. 1d equivalent.

If a color with liquid crystal pigments (LCP) is used as the effect color, the overlapping of the two colors reveals a tilting effect with different color shades at different viewing angles.

Also in Fig. 3 embodiment shown corresponds to the in Fig. 1 shown embodiment, wherein here on the front side 3 of the substrate 2, the first information 9 is not printed as a hydrophobic coating, but as a laser ablatable color.

The first information 9 is printed here in the register for the second information 6 and in the form of two rectangles on the substrate 2, the rectangles 5.1 and 5.2 in shape and position Fig. 1 correspond.

Subsequently, the third information 7 in the form of a rectangle, which is the rectangle Fig. 1 corresponds printed on the first information 9, as in Fig. 3b shown. The effect color of the third information 7 is here transparent to the wavelength of the laser radiation for which the first information 9 is sensitive.

When the front side is exposed to laser radiation, the first information is thus removed. In the regions in which the third information 7 overlaps the first information 9, the laser beam passes through the third information 7 without first influencing it, then strikes the first information 9 and carries it off. The ablated material of the first information 9 tears away the lying over her parts of the third information 7, so that the third information 7, the in Fig. 3c shown geometric shape assumes.

Thus, for a viewer in review results in an image, as in Fig. 3e can be seen and out Fig. 1d equivalent.

Alternatively, instead of a color which can be ablated by means of a laser, it is also possible to use a color that can be changed by means of a laser, which, for example, changes its hue when exposed to laser radiation. In this case, the information must be inverted, for example, from positive to negative, or vice versa, as the change in color makes it more visible. If the color changes to a dark or black hue, the third information 7 may be similar to the embodiment Fig. 2 consist of a visually transparent effect color, which is also transparent to laser radiation and can only be seen over a dark or black background.

At the in Fig. 4 shown embodiment, only the structure on the back 4 of the substrate 2 corresponds to the structure Fig. 1 , On the front side is a first information 10 in the register for the second information imprinted, which consists of a visually recognizable offset color. The information 10 already has the geometric shape that in Fig. 4b is shown and the one from Fig. 1b equivalent.

Thus, for a viewer in review results in an image, as in Fig. 4d can be seen and the one from Fig. 1d equivalent.

Of course, all of the above embodiments of the Fig. 1 to 4 and all embodiments are combined, with an embodiment on the front side combined with any embodiment on the back side.

Claims (13)

Method for producing a value document (1) with the following method steps: (1.1) providing a translucent substrate (2) having a front side (3) and a back side (4), (1.2) applying at least first information (5) to the front side (3) of the substrate (2), (1.3) applying at least one second piece of information (6) to the back side (4) of the substrate (2) in the register to the at least one first piece of information (5), (1.4) applying at least one third piece of information (7, 8) to the front side (3) and / or back side (4) of the substrate (2), wherein the at least one third piece of information (7, 8) lies at least partially over the at least one first piece (7, 8) Information (5) and / or second information (6) is arranged and (1.5) producing a register between the at least one third information (7, 8) and the at least one first information (5) and / or second information (6). A method according to claim 1, characterized in that for step [1.5] the third information (7, 8) of the at least one first information (5) and / or second information (6) is at least partially repelled or only partially wetted and at least partly outside the at least one first information (5) and / or second information (6) attaches. A method according to claim 1, characterized in that for method step [1.5] the third information (7, 8) at least partially repelled or incompletely wetted from the area outside the at least one first information (5) and / or second information (6) is at least partially within the at least one first information (5) and / or second information (6) attached. A method according to claim 2 or 3, characterized in that the method step [1.5] includes the application of a reflective layer preferably by screen printing or flexographic printing or gravure printing and then a translucent or transparent diffractive element is at least partially applied over the reflective layer. A method according to claim 1, characterized in that for method step [1.5] the at least one first information (5) and / or second information (6) has a dark surface and the third information (7, 8) consists of an optically variable element, which is only visible through a dark background. A method according to claim 5, characterized in that the optically variable element is formed by • a printing ink containing transparent or translucent effect pigments or • a diffractive element or An element based on micromirrors with no or only a thin metallic coating or • a specular transparent interference layer. A method according to claim 1 or 6, characterized in that for step [1.5] the at least one first information (5) or second information (6) in the areas in which it is covered by the third information (7, 8), at least partially eroded by a laser beam and the area eroded by the laser beam the first information (5) or second information (6) removes the third information (7, 8) arranged above it. A method according to claim 1, characterized in that for method step [1.5] the contrast or hue of the at least one first information (5) and / or second information (6) in the areas in which they from the third information (7, 8 ) is at least partially changed by a laser beam. A method according to claim 1, characterized in that the at least one first information (5) and / or second information (6) represents a barrier for a Wasserzeichenfirnis and is thereby prevented that changed at these locations, a fiber-based substrate in the transparency. Method according to one of claims 1 to 8, characterized in that the at least one first information (5) and / or second information (6) does not constitute a barrier to a Wasserzeichenfirnis. Method according to one of the preceding claims, characterized in that adjoining the at least one first information (5) and / or second information (6) at least one further information in the register and in their color and / or visually recognizable contained therein and / or machine-readable features. A method according to claim 11, characterized in that the at least one further information in the same process step is applied, as the at least one first information (5) and / or second information (6). Value document (1) having a translucent substrate (2) with a front side (3) and a back side (4), wherein on the front side (3) at least one first information (5) and on the back (4) at least one second Information (6) is arranged, wherein the at least one second information (6) in the register to the at least one first information (5) is arranged, characterized in that on the front (3) and / or back (4) at least a third Information (7, 8) is arranged, which is arranged at least partially overlapping to the at least one first information (5) and / or second information (6) and the at least one third information (7, 8) in the register to the at least one first Information (5) and / or second information (6) is arranged.

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