EP2817155A1 - Method with register between print element and water mark - Google Patents
Method with register between print element and water markInfo
- Publication number
- EP2817155A1 EP2817155A1 EP13705397.1A EP13705397A EP2817155A1 EP 2817155 A1 EP2817155 A1 EP 2817155A1 EP 13705397 A EP13705397 A EP 13705397A EP 2817155 A1 EP2817155 A1 EP 2817155A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- substrate
- watermark
- radiation
- printing
- color
- 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
Links
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- 238000010030 laminating Methods 0.000 claims description 2
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- 238000010521 absorption reaction Methods 0.000 description 3
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/41—Marking using electromagnetic radiation
-
- 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
- B41M3/10—Watermarks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/29—Securities; Bank notes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/333—Watermarks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/43—Marking by removal of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/43—Marking by removal of material
- B42D25/435—Marking by removal of material using electromagnetic radiation, e.g. laser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B41M3/008—Sequential or multiple printing, e.g. on previously printed background; Mirror printing; Recto-verso printing; using a combination of different printing techniques; Printing of patterns visible in reflection and by transparency; by superposing printed artifacts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
-
- B42D2033/10—
-
- B42D2033/16—
-
- B42D2033/20—
-
- B42D2035/20—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D25/378—Special inks
- B42D25/382—Special inks absorbing or reflecting infrared light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D25/378—Special inks
- B42D25/387—Special inks absorbing or reflecting ultraviolet light
Definitions
- the invention relates to a method for producing a security element, wherein a substrate is provided which has a front and a back, at least for certain radiation is translucent and has a watermark that modulates the opacity of the substrate, and on the front Pressure element is applied.
- watermarks are known. They are usually introduced in the production of the substrate from which the security element is made, usually a paper. Watermarks are easily recognizable when the security element is viewed through transmitted light, since they modify the opacity of the substrate. As a rule, in the production of the paper, the thickness of the substrate is varied, so that a reduction in thickness leads to an opacity reduction.
- other approaches to generating a watermark are also known, for example with the aid of so-called watermark colors, which likewise locally modify the opacity of the substrate.
- watermarks are usually formed in the substrate in the production of the starting material for the security element, for example in the production of a banknote paper, it is fundamentally difficult in later printing to arrange printed elements in exact position relative to the watermark, ie to pass. This problem arises regardless of the specific design of the printing element, not only when printing with different inks, but also during coating or application with printing elements, when applying transfer films or laminating or when applying a window suture. Due to variations in the cutting process of a paper substrate, paper sheets usually have variations in the position of the watermark, which are in the millimeter range. In a printing process, additional register variations are added due to variations in investment positions, transfer variations in printing presses, paper moisture swings, and a swelling effect of the paper in stitching.
- the invention is therefore based on the object of specifying a method with which a printing element can be structured in the register to form a watermark, without first having to determine the position of the watermark precisely and adapting the printing system to the position of the watermark.
- This object is achieved according to the invention with a method for producing a security element, wherein a substrate is provided, which has a front and a back, at least for certain radiation is translucent and has a watermark, which modulates the opacity of the substrate, and on the front Applied pressure element is solved, in which on the front of the printing element at least partially covers the watermark, the printing element is modifiable by means of the particular radiation, and the substrate is irradiated from the back with the particular radiation, the watermark relative to the modification of the printing element as Mask is used and so the pressure element in the register is modified to the watermark.
- printing element is understood to mean an element which is applied to a substrate and, if appropriate, realizes a visually or mechanically evaluable element after further processing.Of course, printing elements based on printing inks are most widely used , this is to be understood by way of example for a printing element.
- printing element or “printing ink” and the application of this printing element is mentioned on the front over the watermark
- a multilayer system is z. B. to the effect that the pressure element cooperates with an additional layer whose visual effect depends on the prior modification of the printing element.
- optically variable layers that they are particularly clearly recognizable on a dark or black background in incident light.
- printing element thus also refers to a multilayer system, wherein a part of the layer system is applied to the front surface before the exposure and then illuminated with the determined irradiation, a further part of the layer system is then applied only after the exposure.
- watermarks are common, modulating the opacity of the substrate by varying a thickness of the substrate while maintaining the density of the substrate, since such watermarks are usually very difficult to emulate.
- These watermarks are well suited for the printing method according to the invention, which then supplements the appearance of the watermark by further image information, which lies in the register to the watermark. This makes it possible, for example, to add color information provided by the watermark.
- the image information of the watermark which appears per se only in transmitted light, by means of the invention produced in Passer print image in incident light observation can be seen.
- Watermark color are generated.
- the watermark color causes a reduction of the scattering of light in the substrate core. Basically, scattering is due to a large number of interfaces of fibers, fillers, glue, etc. to the surrounding air. These boundary surfaces to the surrounding air are significantly reduced by suitable binder components in the watermark color, so that in these areas the opacity decreases.
- a binder component is, for example, glycerol, which penetrates into the substrate and remains in the pores of the substrate.
- Watermarks generated by watermark color are also referred to as "spurious" watermarks, and watermarks produced by varying the thickness of the substrate while maintaining the density of the substrate are also referred to as "true" watermarks.
- a watermark can binarise the opacity of a substrate, i. H. it produces a structure which can be seen in the transparency in that the substrate is less opaque or more translucent at individual points.
- watermarks in the sense of gray scale modulation, which modulate the opacity or the translucency between two maximum values. In the transmitted light view you can see a grayscale image. Both types of watermarks are equally suitable for the present printing process. In the case of a watermark which is designed in the manner of a gray-scale image, it is, of course, particularly advantageous to use an ink whose modifiability goes beyond a simple threshold modification, the modification of which thus knows more than two states.
- the multi-level modulation by the watermark is then converted into a corresponding multi-stage modification of the printing element.
- a particularly finely graded opacity modulation can be achieved by combining a paper thickness modulating "true” watermark with a watermark color generated "spurious” watermark.
- Printing elements usually consist of binders, auxiliaries, driers or drying accelerators and coloring constituents, such as dyes or pigments.
- coloring constituents such as dyes or pigments.
- the particular radiation In order to avoid influences of the particular radiation on other components of the substrate or on the substrate applied coatings as possible, it is preferable to irradiate the particular radiation as narrow as possible in the range of an absorption band of the printing element. This is particularly easy to realize with laser radiation.
- a pressure element per se has no component making it suitable for ablation, it is preferable to add a certain amount of additive, for example soot, which absorbs the particular radiation to the pressure element for ablation.
- a certain amount of additive for example soot, which absorbs the particular radiation to the pressure element for ablation.
- soot absorbs the particular radiation to the pressure element for ablation.
- the use of an admixture makes it possible, in particular, to select the specific radiation such that it lies in the non-visible spectral range, for example IR radiation, if the admixture increases the absorption coefficient of the pressure element in the corresponding spectral range.
- the printing ink comprises one or more of the following substances: an optically variable color, a magnetically orientable color, a metallic color, a color which is effective in the non-visible spectral range.
- the principle according to the invention provides that the printing element and certain radiation are coordinated so that the specific radiation is able to modify the printing element, wherein the watermark which modulates the opacity of the substrate is used as a mask.
- the term "certain radiation” used in this description therefore expresses that a pressure element which can be modified by means of this radiation is used The modification, for example in the form of an ablation, is achieved when the specific radiation at the front side
- the opacity modulation provided by the watermark reduces the intensity of the radiation on the front surface on which the printing element is located.
- the radiation intensity on the back side is chosen so that at the points where the watermark causes the lowest opacity in the substrate, a modification of the printing element enters, on the places where the watermark causes the highest opacity of the substrate, however, no or only a very small modification is achieved. Then the watermark - lo chen as a mask during the irradiation of the substrate with the specific radiation. Since the modification of the printing element usually requires a relatively high radiation intensity, the use of a beam is advantageous, which is rastered over the back of the substrate.
- the beam may be in the form of a laser beam, for example. It is then not only easy to provide the required radiation intensity, also the intensity adjustment can be done easily, since it is less effort to adjust a beam in its intensity, as to effect a homogeneous intensity adjustment of a fanned light beam.
- the use of a rasterized beam further has the advantage that the intensity of the particular radiation can be varied in addition to the use of the watermark as a mask to effect additional structuring of the modification of the printing element.
- this additional modification is not in the passport to the watermark.
- - li used to cause a visible modification of the substrate, optionally after previous application of a radiation-sensitive layer.
- a pulsed laser radiation can be used, which already on the entrance side, the substrate, such as paper, modified, for. B. by a blackening or foaming of the substrate. This effect is then clearly visible in transmission.
- a combination of the watermark, the printing element modified to a watermark in the register and a visual modification of the surface of the substrate on the entry side of the modifying radiation advantageously results.
- this modification on the entrance side of the radiation depends solely on the application of the radiation. This makes it possible, for example, to create a window in which the watermark and the printing element modified in the register are visible.
- the pressure element to be modulated by means of both
- the pressure element may contain a substance mixture in which the individual components are modified in stages as a function of the impinging energy. For example, a first component at very low opacity and a second component is already ablated at medium opacity.
- the printing ink contains a laser-markable feature substance with core-shell particles which is known from EP 1 826 728 A2, one of the materials of the core and shell containing the radiation.
- the radiation of one marking laser is absorbed and the other of the core and shell materials does not absorb the radiation of the marking laser.
- the core-shell particle contains a UV-stimulable organic luminescent substance known from EP 1 826 730 A2, wherein the organic luminescent substance forms the core which is coated with a shell which satisfies the chemical and / or physical resistance of the Luminescent increases.
- ink used here stands out for the printing effect achieved by the watermark-masked and radiation-based modification.
- the printing ink itself can also comprise structures which go beyond conventional color systems, for example a film coating or a metallization.
- Items to be protected in the context of this description may include, for example, security papers, identity and value documents (such as
- Banknotes chip cards, passports, cards, identification cards, identity cards, stocks, bonds, certificates, vouchers, checks, tickets, credit cards, health cards, Certainly and product securing elements, such as. Labels, seals, packaging, be.
- security paper is understood here in particular as the precursor to a value document (eg a card), which, in addition to the print produced according to the invention, also has other authenticity features (such as, for example, volume Neszenzstoffe) may have.
- value documents here on the one hand from security papers produced documents, eg. B. banknotes understood.
- value documents can also be other documents and articles that are processed with the printing method according to the invention, so that the value documents have non-copyable authenticity features, whereby an authenticity check is possible and unwanted copies are prevented at the same time.
- the substrate is particularly preferably made of paper made of cotton fibers, as used for example for banknotes.
- the substrate may also be made of paper of other natural fibers, also preferably of synthetic fibers, i. a mixture of natural and synthetic fibers.
- the substrate consists of a combination of at least two superimposed and interconnected different substrates, a so-called hybrid. It may, for example, be a combination of plastic film paper or even a three-layer composite such as plastic film-paper plastic film, i. a paper substrate is covered on either side by a plastic film, or paper plastic film paper, i. a substrate made of a plastic film is covered on each of its two sides by a paper substrate.
- the substrate consists of an at least partially transparent plastic film.
- the watermark is generated in this case by a color which is applied to one side of the substrate and whose color tone is at least similar to the color tone of the substrate.
- a watermark is known for example from DE 10 2009 056462 AI.
- the reciprocal property of translucency is opacity. As far as there is talk here that a watermark modulates the opacity, it can equally be said that it inversely modulates the translucency.
- Fig. La and lb is a schematic representation of a substrate in a sectional view
- FIG. 1 a or in plan view (FIG. 1 b) for illustrating the opacity modulation by the watermark, FIG.
- FIGS. 1a and 3b show a schematic view similar to FIGS. 1a and 1b, relating to an embodiment in which the watermark is generated by a watermark color, FIG.
- Fig. 4 is a view similar to Fig. 2 for the substrate of Fig. 3a and 3b,
- FIG. 5a is a schematic view similar to FIG. 2 for an embodiment in which a non-modifiable coating is provided on the front side of the substrate;
- FIGS. 6 to 8 are plan views (Figs. 6a, 6b, 7, 8) and sectional views (Figs. 6c, d) of an embodiment having a suture.
- Fig. La shows in a sectional view of a security element 1, wherein for simplicity, only a substrate 2 is drawn.
- the substrate 2 has a front side 3 (which is arranged below in the figures without further restriction) and a back side 4.
- a watermark 5 is incorporated, which modulates the thickness of the substrate 2 and thus its opacity.
- This opacity modulation is shown in Fig. Lb, which shows a plan view of the front side 3 of the substrate 2 schematically.
- regions 7 where the thickness is reduced by an average amount
- the substrate 2 has a medium opacity.
- the substrate 2 has a low opacity or a high translucency.
- a laser beam 10 is now passed over the substrate. It passes through the substrate 2.
- the wavelength of the laser beam is such that the ink 9 absorbs the radiation.
- the laser beam 10 is attenuated depending on the opacity of the substrate 2, which is modulated by the watermark 5.
- the laser beam 10 is greatly attenuated.
- the laser beam is least attenuated. In Fig. 2, this is schematically illustrated by the thickness of the laser beam 10. In fact, of course, only the intensity of the laser beam 10, but not its radiation cross-section when passing through the substrate 2 is attenuated.
- the intensity of the laser beam 10 is adjusted so as to give a modulation of the ablation effect that the laser beam 10 has on the printing ink 9 applied to the front side 3: in the area 8 with low opacity, the printing ink 9 is ablated a maximum, in areas 7 with medium Opacity, the ink is ablated to a lesser degree, and in areas 6 with maximum opacity, the least or possibly even no ablation occurs.
- the described embodiment can be modified such that instead of a watermark which modulates the opacity by a thickness variation of the substrate, a so-called “fake” printed watermark occurs, so a watermark, which was generated on the substrate 2 by a so-called watermark color.
- FIGS. 5a to 5c relate to a third embodiment in which a coating 13 that can not be modified by the laser radiation 10 has additionally been applied to the front side 3, which is transparent to the laser radiation 10 and thus does not attenuate it.
- FIG. 5a shows a sectional view similar to FIG.
- FIG. 5 b shows a plan view of the rear side 4 with the coating 13.
- 5 c shows a top view of the front side 3 after irradiation with the laser radiation 10. Due to the different opacity of the substrate 2 in the region of the watermark, the printing ink 9 is influenced to a different extent by the laser radiation 10, so that the differentiated areas 14, 15 and 16 result. In the region 16, the ink 9 is almost unaffected, since the energy of the laser beam is greatly attenuated due to the opacity of the substrate 2.
- the printing ink 9 is modified to an average extent, for example ablated, due to the medium opacity of the substrate 2 due to an average laser energy attenuation.
- the laser beam had a strong effect on the printing ink 9 in the region 15, because there substrate 2 had a low opacity and weakened the laser beam only slightly.
- FIGS. 5a to 5c can, of course, also be realized with a watermark that was generated by a watermark color and not by a thickness modulation.
- a watermark ink is available, for example, from Sun Chemical under the designation 669440 Vernes UVSP (art.No .: JV 40000009).
- the approaches described here can also be carried out on both sides of a substrate, wherein the ink 9 is then alternately applied to the front and back of the substrate, so that it does not overlap.
- a black, soot-based offset color was printed over the area of a watermark.
- the paint was dried for several days and then ablated by an ND vanadate laser from the back of the color on the front. In areas of low paper thickness, ie maximum translucent watermark, 80% to 95% of the color was thereby removed. In areas of maximum paper thickness, ie minimal Translucency of the watermark was ablated only 10% to 30% of the color.
- the area of a watermark on the front side was overprinted by means of an OVI screen printing ink WP from the manufacturer SICPA.
- the paint dried out for several days. Subsequently, the color on the front side was ablated by means of a Nd: Yag laser from the rear side. In areas of low paper thickness, 80% to 95% of the paint was removed. In the areas with maximum paper thickness, 10% to 30% of the paint was ablated.
- the area of a watermark on the front side was overprinted by means of a magnetic OVMI screen printing ink of the manufacturer SICPA.
- the paint dried out for several days.
- the color on the front side was ablated by means of a Nd: Yag laser from the rear side. In areas of low paper thickness, 80% to 95% of the color except a yellow colorant was removed. In the areas with maximum paper thickness, 10% to 30% of the paint was ablated.
- a sequence of strip-shaped regions 18 and 19 are provided which form the watermark: in the regions 18 the thickness of the substrate is unchanged, so that the watermark has a high opacity, and in the regions 19 the thickness of the substrate, so that the watermark has a low opacity (in the embodiment of Figures 6 to 8 is in contrast to the embodiments of Figures 1 to 5, the watermark on the front side 3 of the substrate).
- this has the effect that the window thread 17 has visible portions 20 in which one side of the window thread according to FIG. 6d is not covered by the substrate, and not visible because, according to FIG. 6c, fully embedded portions 21 in the substrate 2 ,
- the effect in reflected light can be seen in Fig. 6b: only the visible portions 20 are exposed at the front 3 and are visible.
- Transmitted light is for the purposes of this invention, when an illumination of the substrate takes place from the side opposite to the viewer, ie the Illumination through the substrate takes place.
- Incident light is in the sense of this invention, when a lighting of the substrate from the side of the viewer is made.
- ink 9 is now applied to the front side 3.
- the printing ink 9 is applied to the front or back of the substrate.
- the decisive factor is that the substrate 2 from the side with the radiation is irradiated, which is opposite to the side on which the ink 9 is arranged.
- the ink can be provided on the back and the radiation can be coupled from the front.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Toxicology (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Printing Methods (AREA)
- Credit Cards Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012003601A DE102012003601A1 (en) | 2012-02-21 | 2012-02-21 | Printing process with Passer between print and watermark |
PCT/EP2013/000489 WO2013124059A1 (en) | 2012-02-21 | 2013-02-20 | Method with register between print element and water mark |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2817155A1 true EP2817155A1 (en) | 2014-12-31 |
EP2817155B1 EP2817155B1 (en) | 2016-06-22 |
Family
ID=47747554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13705397.1A Active EP2817155B1 (en) | 2012-02-21 | 2013-02-20 | Method with register between print element and water mark |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2817155B1 (en) |
CA (1) | CA2862057A1 (en) |
DE (1) | DE102012003601A1 (en) |
ES (1) | ES2585279T3 (en) |
PL (1) | PL2817155T3 (en) |
WO (1) | WO2013124059A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013019943A1 (en) * | 2013-11-27 | 2015-05-28 | Giesecke & Devrient Gmbh | Safety element with magnetically orientable magnetic pigments and process for its production |
DE102014010574A1 (en) | 2014-07-16 | 2016-01-21 | Giesecke & Devrient Gmbh | Value document with open / see-through effect |
GB2531582B (en) | 2014-10-23 | 2016-09-07 | De La Rue Int Ltd | Improvements in security papers and documents |
DE102015005083A1 (en) | 2015-04-21 | 2016-10-27 | Giesecke & Devrient Gmbh | Method for producing a security element with a register between printing element and watermark |
DE102015014036A1 (en) * | 2015-10-30 | 2017-05-04 | Giesecke & Devrient Gmbh | security element |
DE102016002120A1 (en) * | 2016-02-24 | 2017-08-24 | Giesecke & Devrient Gmbh | Security feature and method for its manufacture |
DE102016009231A1 (en) | 2016-07-28 | 2018-02-01 | Giesecke+Devrient Currency Technology Gmbh | Method for producing a security element |
DE102016009440A1 (en) | 2016-08-03 | 2018-02-08 | Giesecke+Devrient Currency Technology Gmbh | Method for producing a security element |
DE102016009512A1 (en) | 2016-08-04 | 2018-02-08 | Giesecke+Devrient Currency Technology Gmbh | Security element, method for producing a security element and value document with such a security element |
DE102016015378A1 (en) | 2016-12-22 | 2018-06-28 | Giesecke+Devrient Currency Technology Gmbh | Method for producing a value document |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3942663A1 (en) | 1989-12-22 | 1991-06-27 | Gao Ges Automation Org | DATA CARRIER WITH A LIQUID CRYSTAL SECURITY ELEMENT |
DE19544130A1 (en) | 1995-11-27 | 1997-05-28 | Giesecke & Devrient Gmbh | Data carrier with optically variable color |
DE102006008244A1 (en) | 2006-02-22 | 2007-09-06 | Giesecke & Devrient Gmbh | Printing ink for security printing |
DE102006008245A1 (en) | 2006-02-22 | 2007-08-30 | Giesecke & Devrient Gmbh | Security feature for value documents |
DE102006008247A1 (en) | 2006-02-22 | 2007-08-23 | Giesecke & Devrient Gmbh | Laser-marked safety features for protecting valuable objects, has laser-marked marking substance with core-covering-particles, and one of the material of the core and covering absorbs the radiation of the marking laser |
DE102008063471A1 (en) * | 2008-12-17 | 2010-07-01 | Giesecke & Devrient Gmbh | Security element with watermark |
DE102009056462A1 (en) | 2009-12-01 | 2011-06-09 | Giesecke & Devrient Gmbh | Look-safety feature |
-
2012
- 2012-02-21 DE DE102012003601A patent/DE102012003601A1/en not_active Withdrawn
-
2013
- 2013-02-20 PL PL13705397.1T patent/PL2817155T3/en unknown
- 2013-02-20 EP EP13705397.1A patent/EP2817155B1/en active Active
- 2013-02-20 ES ES13705397.1T patent/ES2585279T3/en active Active
- 2013-02-20 CA CA2862057A patent/CA2862057A1/en not_active Abandoned
- 2013-02-20 WO PCT/EP2013/000489 patent/WO2013124059A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2013124059A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2817155B1 (en) | 2016-06-22 |
CA2862057A1 (en) | 2013-08-29 |
ES2585279T3 (en) | 2016-10-04 |
WO2013124059A1 (en) | 2013-08-29 |
PL2817155T3 (en) | 2016-12-30 |
DE102012003601A1 (en) | 2013-08-22 |
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