WO2016146551A1 - Element de securite et document securise - Google Patents
Element de securite et document securise Download PDFInfo
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- WO2016146551A1 WO2016146551A1 PCT/EP2016/055371 EP2016055371W WO2016146551A1 WO 2016146551 A1 WO2016146551 A1 WO 2016146551A1 EP 2016055371 W EP2016055371 W EP 2016055371W WO 2016146551 A1 WO2016146551 A1 WO 2016146551A1
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- WIPO (PCT)
- Prior art keywords
- layer
- element according
- pattern
- patterns
- metal
- Prior art date
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Classifications
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- 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
- B42D25/373—Metallic materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/355—Security threads
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- 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
- B42D25/324—Reliefs
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- 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
- B42D25/342—Moiré effects
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- 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
- B42D25/346—Perforations
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- 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
- B42D25/351—Translucent or partly translucent parts, e.g. windows
Definitions
- the present invention relates to secure documents and security elements used to secure documents.
- Banknotes and other secure documents including checks, money orders, identity cards, credit cards or guarantee cards, for example formed from paper and incorporating security threads or including security films, that is, more or less wide bands, have been in circulation for a number of years and are now widely used in many countries.
- the security threads are in these documents in some cases exposed to sight, in reflected light, in predefined regions present on at least one side of the document, these regions being commonly called “windows”.
- Security threads make imitation of secure documents more difficult. They help authenticate documents, usually by giving them a different look in transmitted light and reflected light.
- Safety son are conventionally made with zones producing patterns in transmitted light, thanks to the presence of a metal layer provided with recesses allowing light to pass when the document is observed in transmitted light.
- EP 1 674 286 A1 relates to a security element reproducing a subject with the aid of an image formed of raster points. It is indicated that the image may be formed of several layers having different optical densities.
- WO 99/04983 discloses a security element comprising a semi-reflective layer covering a magnetic layer.
- WO 2007/020370 A2 discloses a security thread having macroscopic patterns each formed of microscopic patterns.
- EP 0 659 587 A1, EP 0 319 157 A2, WO 2007/141459 A2 and WO 2013/160880 A2 disclose other security elements.
- EP 0 998 396 B2 discloses a security element having two metal layers having different optical densities, with for example a more opaque layer having a transmission factor of at most 30% and a less opaque layer having a transmission factor of at least 50%.
- the two layers can be in the same metal or in different metals.
- the security element comprises a magnetic layer that may include recesses in the form of characters for example.
- the magnetic layer is covered by a semi-transparent layer, in the form of a frame.
- the semi-transparent layer thus hides the magnetic layer.
- the security element comprises a support which carries on its opposite faces two identical layers each in the form of a regular frame. A non-perforated layer is also present on one of the faces between the support and the semi-transparent layer.
- EP 1 503 903 B1 discloses a security element comprising a support coated on one side with a first perforated layer, of a first metal such as aluminum, covering a second equally open layer, with a second metal such as copper.
- the thickness of the metal of the second layer is sufficiently low for this layer to be semi-transparent.
- the first and second layers have first apertures that coincide and the first layer has a second aperture that opens onto a solid portion of the second layer.
- the observer perceives the difference in color of the two metals, at the first and second openings of the first layer.
- the support bears on one face two superimposed layers, each having recesses in the form of alphanumeric characters. In some regions, the solid parts of the two layers overlap exactly.
- the invention aims to further improve the security elements, including security son, and it achieves this through a security element for secure document, comprising:
- a first perforated layer made of a first material, defining at least one halftone halftone pattern, -
- the invention makes it possible to obtain attractive optical effects for the observer, constituting a level 1 security, and moreover difficult to reproduce.
- semi-transparent layer means a layer of opaque appearance when observed in reflected light and transparent when observed in transmitted light.
- the second layer is further semi-reflective.
- semi-reflective is meant a reflective layer, in particular with specular reflection, when observed in reflected light at a first angle of observation or illumination, and transparent when observed in reflected light respectively at a second angle d observation or illumination.
- the second semi-transparent layer may be opaque in appearance when viewed in reflected light, regardless of the angle of observation or illumination.
- the second layer makes it possible, if desired, to form a background of a color different from that of the material of the first layer, in reflected light, without unduly hindering the observation of the halftone pattern in half. tone in transmitted light.
- the first material is metallic, better is a metal.
- the second material is also.
- metals having different colors, such as copper and aluminum, or their alloys are chosen.
- the second layer advantageously comprises a semitransparent frame, to which it owes its semi-transparent character.
- the thickness of the metal of the lines or weft points may be sufficiently high so that the layer is locally opaque where the metal is present.
- the use of a frame provides additional possibilities for making patterns.
- the points or raster lines may be formed of elementary patterns, which provides an additional degree of protection.
- the second layer may comprise one or more macro-recesses, in particular in the form of alphanumeric characters, or an opening presenting the same outline as the halftone pattern of the first layer.
- the second layer has a contour that corresponds to that of the halftone halftone pattern, and both are arranged to overlap exactly.
- the layer of the first material in particular the first metal, may define at least one halftone halftone pattern and an alphanumeric pattern.
- the weft of the second layer is preferably homogeneous, and preferably has repeating parallel lines.
- the fineness of the lines and their approximation can be such that, with the naked eye, the observer can not distinguish them easily, especially at a distance of 10 cm.
- the lines are less than 25 ⁇ wide, for example of the order of 20 ⁇ , and are spaced a distance between 40 and 60 ⁇ , for example of the order of 50 ⁇ .
- the weft of the layer of the second material, in particular the second metal is formed of points or elementary patterns such as letters, numerals or symbols, the height of which is preferably less than or equal to ⁇ , and preferably spaced apart. between them of less than 40 ⁇ . It is thus possible to obtain with the naked eye and for example at a distance of 10 cm, a similar aspect, particularly homogeneous, to a frame consisting of parallel lines.
- the frame may be interrupted in places to define at least one pattern within the layer of the second material, in particular the second metal, in particular a microscopic pattern, preferably an alphanumeric pattern.
- the layer of the first material may define a first alphanumeric pattern, positive or negative.
- the layer of the second material in particular the second metal, may define a second alphanumeric pattern, positive or negative.
- the second pattern may convey the same information as the first pattern, for example representing the same number, or the same word, or having the same meaning.
- At least one of the layers of the first and second materials, including first and second metals, may comprise one or more patterns in the form of a set of points or symbols.
- the pattern (s) present in the layer of the first material, in particular the first metal may be arranged in a manner marked with respect to the pattern (es) present in the layer of the second material, in particular the second metal, that is, the relative positions of the patterns of the two layers can be constant over the entire length of the element during its manufacture.
- the pattern or patterns formed within the layer of the first material, in particular the first metal may be visually independent of the pattern or patterns formed within the layer of the second material, in particular the second metal, that is to say that the patterns of each of the layers do not have to complement each other to take their full meaning in the eyes of the observer, in transmitted and / or reflected light.
- At least one pattern of the first layer and at least one pattern of the second layer complement each other in transmitted and / or reflected light.
- these patterns reconstruct a subject, a number, or a word.
- one of the patterns forms the face of a person and the other motive his hair. This allows a multichrome representation of a subject in reflected light, particularly attractive.
- At least one pattern of the first layer and at least one pattern of the second layer complement each other in transmitted and / or reflected light.
- these patterns reconstruct a subject, a number, or a word.
- one of the patterns forms the face and hair of one person and the other the background on which the hair is represented. This allows a multichrome representation of a subject in reflected light, particularly attractive.
- Patterns that complement each other may have solid lines in positive or negative. They can still, for one, include only solid lines, in positive or negative, and for the other a halftone image. In another variant, the two complementary patterns each reproduce a semitone image, and optionally each comprise one or more solid lines, positive or negative.
- Patterns formed by the layers of the first and second metals may be geometrically related or relate to the same subject, for example object or being alive, in particular be identical, which may facilitate their comparison. For example, they represent the same symbol or image, but are of different sizes, or one is positive and the other negative.
- the layer of the first material may extend over an entire face of the support, with the perforations of the patterns.
- the layer of the second material in particular the second metal, may extend over an entire face of the support, open reasons.
- the width of the layers of the first and / or second materials may correspond to that of the support. Alternatively, it is lower.
- One of the layers can define an isolated pattern, especially macroscopic, and the other layer comprise a repeating elementary pattern, including a microscopic pattern.
- the isolated pattern can be halftone, including a subject appearing in perspective, with shadow effects provided through the frame. This gives a relief effect from a binary field.
- the elementary pattern can be alphanumeric or represent a symbol.
- the first layer and the second layer define patterns that complement each other within apertures, in particular patterns each formed at least partially in semitones, preferably patterns arranged alternately at the location and upside down along the security element.
- the first layer forms patterns that for example complement each other to represent a subject.
- These patterns are for example each formed by a semitone frame.
- the second layer has a semitransparent frame which covers only one of the two patterns of the first layer; thus, in reflected light, the two patterns of the first layer have different aspects, because one of the patterns is superimposed with the frame of the second layer, which gives this pattern a different colored appearance of the other pattern, and to the representation of the subject a polychromatic aspect.
- the appearance of the patterns is monochrome.
- the security element may constitute a security thread or a foil.
- the invention further relates, in another of its aspects, independently or in combination with the foregoing, to a secure document security element, comprising:
- a first perforated layer made of a first material
- a second layer made of a second material different from the first, comprising a semi-transparent frame visible through at least one aperture of the first layer, the second layer being located between said face of the support and the first layer.
- the invention further relates, in another of its aspects, independently or in combination with the foregoing, to a security element comprising:
- a support comprising at least one transparent region
- a layer of a first metal in said region, a layer of a first metal, this layer being of optical density DO1, and a layer of a second metal different from the first, and of optical density D02, with
- the security element according to this last aspect of the invention makes it possible to propose level 1 security that is easily recognizable by the man in the street, while being difficult to counterfeit.
- the metal layers can be a level 3 security, allowing to check if their optical densities have expected values and sufficiently close.
- the support is preferably a film of transparent thermoplastic material.
- the layers of the first and second materials may be located on opposite sides of the support or on the same side of the support, and may be superposed at least partially, preferably not completely.
- the layer of the first material in particular the first metal, can convey a first visible information to the recto in reflected light, in the form of a pattern recognizable to the naked eye or with magnification, preferably in the form of an image. semitone and an alphanumeric pattern.
- the layer of the first material is preferably opaque and in particular has an optical density in the absence of openings, that is to say considering a flat surface of said layer greater than 0.8.
- the layer of second material in particular of the second metal, can convey a second information visible on the back in reflected light, in the form of, for example, a pattern recognizable to the naked eye or with magnification, preferably in the form of microscopic patterns. , including alphanumeric. These two pieces of information preferably remain visible also in transmitted light, in the presence of a relative transparency of the constituent elements of the set.
- the presence of information on one of the two layers provides a level 2 security to enhance Level 1 security.
- the invention also relates to a secure document comprising a security element, according to any aspect of the invention above.
- the patterns of the metal layers may be formed by metallization and / or demetallization of the support, that is to say by any method comprising at least one step of metallization or demetallization of the support. This is in particular a selective metallization process or a metallization process then selective demetallization. Preferably, it is a metallization process and selective demetallization of the support. In a variant, at least one of the layers of the first and second metals is deposited by printing.
- selective metallization or “selective demetallization”, respectively a metallization or a non-total demetallization, that is to say that is not done on the entire surface of the support and thus allows to form at least one pattern.
- the metallization can be carried out under vacuum or electrochemically
- metal layer is meant a layer of one or more metals, used alone or in the form of alloys.
- the metal of each layer is for example chosen from the metals usually encountered in the security threads, namely Al, Cr, Ni, Ag, Au, Cu, Sn, among others.
- the first metal is preferably selected from Ag, Al, Sn and their alloys.
- the second metal, or conversely the first metal is preferably selected from Cu, Au, Zn and their alloys.
- the first metal may be achromatic, that is to say have a substantially homogeneous absorption in the visible spectrum and the second have a color, for example gold or copper, or vice versa.
- the first metal is holographic or serves as a reflective layer in an interferential structure, in particular multilayer, or in a structure having a color change during a change of the viewing angle (effect "colourshift" in English).
- the metals used may all be non-magnetic. Alternatively, at least one of them is magnetic.
- the security element according to the invention forms a security thread
- its width goes for example from 0.5 to 15 mm, better from 3 to 8 mm.
- the metal thickness of the layer of the first or second metal is preferably sufficiently low so that the layer is semi-transparent, with an optical density preferably less than or equal to 0.8.
- the optical densities of the layers of the first and second metals may be such that in the absence of openings, that is to say by considering solid areas of each of these layers, the security element is non-opaque in light transmitted, the optical density related to the superposition of the layers in the superimposed area of the flat is then preferably less than or equal to 0.8.
- the 1st metal is opaque and the 2nd metal is semitransparent.
- the first and / or second metal may be directly in contact with the support or alternatively cover at least one intermediate layer in contact with the support, for example a layer used to allow selective metallization and / or demetallization of the support.
- Pattern designates any pattern recognizable to the naked eye in particular, such as for example one or more alphanumeric characters, or the image of a subject such as a character, animal, object, landscape, plant or monument.
- a semitone halftone pattern designates a pattern preferably appearing in 3D thanks to a shading effect obtained by halftone reproduction of the shadows. semitone halftones are proposed by the Applicant under the name Picture Thread TM
- a pattern can be formed with a plurality of apertures, the same size or variable size.
- a pattern present on the layer of the first material, in particular the first metal, or the second material, in particular the second metal, can be found elsewhere on the secured document, for example in the form of a watermark or an impression.
- the value of the clipping appears both on the layer of the first and / or second metal and on the document substrate, in the form of an impression.
- the invention further relates, independently or in combination with the foregoing, to a security element comprising:
- a layer of a second metal different from the first, this layer being at least partially superimposed on the layer of the first metal, the layer of the first metal having at least one aperture defining at least one first alphanumeric pattern, the layer of the second metal; having a frame, preferably semi-transparent.
- the layer of the second metal is formed with openings defining second repeating patterns, these second patterns being of smaller size than the first pattern, the second patterns are superimposed at least partially with the first pattern.
- the second patterns are preferably microscopic patterns, which can be formed by interrupts of the frame.
- the first pattern and the second patterns can represent the same word or number.
- the first layer can also define a semitone pattern.
- FIG. 1 represents a front view of an example of a secure document according to the invention
- FIG. 2 is a longitudinal section, partial and diagrammatic, of a security element according to the invention
- FIGS. 3 and 4 show a view from the front and back faces of the security element of FIG. 2,
- FIGS. 5 and 6 show details of FIGS. 3 and 4 respectively
- FIGS. 7 and 8 are views similar to FIGS. 3 and 4 of an alternative embodiment of the security element
- FIGS. 9 and 10 show details of FIGS. 7 and 8 respectively.
- FIGS. 11 to 13 are views similar to FIG. 2, of variant embodiments,
- FIG. 14 is an example of semitone halftone patterns made on a first layer of the security element, alternatively,
- FIG. 15 is an example of a semi-transparent frame formed by the second layer constituting an insulated pattern intended to be superimposed on one of the semitone patterns illustrated in FIG. 14,
- FIG. 16 represents the security element formed by the superposition of the patterns of FIGS. 14 and 15, in reflected light
- FIG. 17 shows a variant of security element.
- FIG. 1 shows a secure document 10 provided with a security element 20 according to the invention.
- the secure document 10 is for example a bank note and preferably comprises a fibrous substrate 11, the security element 20 being in the example in the form of a security thread extending from one edge to the other. the other of the substrate 11.
- the substrate 11 of the document is a polymer substrate, or hybrid paper-polymer, the security element being for example present on the surface of the polymer substrate in the form of a band applied by transfer, also called “foil ".
- the security thread 20 is in the illustrated example introduced in windows, having as illustrated in FIG. 1, a visible face in light reflected through a window 12 of the substrate 11.
- the length L of the window 12, measured parallel to the longitudinal axis of the element 20, is preferably greater than or equal to 5 mm, better still 10 mm.
- the width / element 20 is for example between 0.5 and 15 mm, better between 4 and 8 mm.
- the security element 20 comprises, as can be seen in Figure 2, a support 22, preferably made of a transparent plastic material, for example polyester.
- the thickness e of the support can range from 6 to 60 ⁇ .
- the support 22 is covered on one face 23 by a layer 24 of a first metal and on the opposite face 25 by a layer 26 of a second metal, different from the first.
- the layer 24 of the first metal may have an optical density OD1 and the layer 26 of the second metal has an optical density DO2, the two optical densities DO1 and DO2 being preferably close, with
- the measurement takes into account the frame.
- the ere the layer may be opaque and the 2nd anilox layer is semi-transparent so that the pattern of the st layer remains visible under observation in transmitted light.
- the first metal is achromatic, holographic or serves as a reflective layer in an interferential structure, in particular a multilayer structure, or in a structure having a "colourshift" effect while the second metal has a color, or vice versa.
- the first metal may be aluminum and the second metal copper or a copper alloy, having a copper or gold color, or vice versa.
- the layer of the first metal and the layer of the second metal are each perforated so as to define visible patterns in reflected light and / or transmitted to the eye naked and / or with magnification.
- At least one of the layers 24 and 26 may also be perforated to form a frame.
- the openings 28 formed in the layer 24 of the first metal are shown very schematically in Figure 2, as well as the openings 29 formed in the layer 26 of the second metal, the shape and the relative arrangement of the openings may vary depending on the aspect that one seeks to give to the security element.
- the layer 24 of the first metal appears on the front of the security element and the layer 26 of the second metal appears on the back of the security element.
- the security document 10 may be arranged to allow to observe in reflected light only the front of the security element, or alternatively both the front and the back of the security element, for example through the presence of windows on the front and back of the document substrate or through a window.
- the layer 24 can be made with openings in the form of alphanumeric patterns 30, for example the number 100, these patterns being written on the front both at the location and at the same time. towards.
- the alphanumeric pattern (s) 30 are for example of sufficient size to be visible to the naked eye, and are for example at least 1.2 mm in height.
- the semitone halftone pattern 31 has weft points 32 whose size varies according to the location on the image, so as to create a shadow effect.
- the screen points 32 have for example a polygonal shape, and the frame is amplitude modulated, that is to say that the pitch with which the screen points are arranged is regular, but the size of the points varies.
- the frame may be frequency modulated.
- Weft points can have very different shapes.
- the pattern 31 may also include zones 33 which appear in solid lines, for example the nose or the eyes, as illustrated.
- the security element 20 is made as illustrated with an alternation of alphanumeric patterns 30 and patterns 31 semitone in the longitudinal direction.
- the layer 26 of the second metal comprises, in the example in question, fine fields 34, which are arranged with a regular spacing and which are interrupted to form patterns 35. Preferably these patterns are repeated, and in this case represent the number 100.
- the size of a pattern 35 is preferably smaller than that of the pattern 30.
- the pattern of the lines 34 may appear as homogeneous to the naked eye if the lines 34 are sufficiently thin and close together.
- the width d of the raster lines 34 is between 20 and 25 ⁇ , with for example a spacing t between two adjacent frames 34 between 40 and 60 ⁇ .
- lines 34 with a width of 20 ⁇ , and a distance value t between them of 50 ⁇ .
- the lines 34 may be oriented obliquely with respect to the longitudinal axis of the support 22, or alternatively otherwise.
- the lines 34 may be rectilinear, as illustrated. In a variant, these lines 34 are curved, in particular corrugated.
- the number of lines 34 per inch (lpi) is greater than or equal to 800, preferably to 2000, so as to prevent any attempt to reproduce these lines by means of a conventional printer whose resolution is lower.
- the patterns are preferably microscopic, observable with magnification.
- the height of the figures of the patterns 35 is for example 100 ⁇ .
- the patterns are written upside down on the back side so as to appear at the front side.
- the patterns 35 may appear within the openings of the patterns 30 and 31 formed in the layer 24, in reflected light.
- the layer 24 may appear in reflected light through the patterns 35, where the patterns 35 are superimposed on the metallization surface of the layer 24, if the security element 20 is observable in reflected light on the side of the back.
- the observer can see through the support 32 of the security element including transmitted light.
- the opacity of the layer 24 is such that when the security element 20 is observed in reflected light on the side of the front face, the patterns formed in the layer 26 are not visible. other than at the level of the openings of the patterns 30 and 31 of the layer 24.
- the layer 26 of the second metal may be perceived as being substantially uniform in color by the observer, in reflected light, where it is superimposed on the solids of the layer 24. This gives the security element elsewhere than at the level of the patterns 35, on the side of the reverse side, a specific color related to the superposition of the weft lines 34 and the layer 24 and the visibility of the layer 24 between the lines 34.
- the apparent hue of the layer 26 in the raster region can be modified between the pure color of the second metal and that of the first metal.
- the color of the layer 26 appears different at the openings of the patterns 30 and 31, due to the absence at the level of the first metal of the layer 24.
- the surface state of the layers 24 and 26 is such that they produce a specular metal reflection on their surface.
- the layer 24 of the first metal reproduces the same patterns 30 and 31 as in the example of Figure 3.
- the layer 26 of the second metal which is visible on the back, has lines of parallel wefts 34 as in the example described above.
- these weft lines 34 define patterns 40 which are identical in size to those of the patterns 30.
- FIG. 12 illustrates the possibility for layers 24 and 26 of the first and second metals not to be completely superimposed.
- the layers 24 and 26 are superimposed only in a region 50, for example central, of the security element.
- the layers 24 and 26 are not located on the same side of the support 22 as in Figure 12, but on opposite sides.
- the first layer 24 comprises a halftone halftone pattern superimposed with an insulated pattern 70, of the same outline, of the second layer.
- the metal of the weft of the second layer 26 is seen in the openings of the halftone halftone pattern, the details of which it changes in reflected light. Thus, this pattern becomes visible in reflected light with a reflective background of the color of the second metal.
- FIG. 17 shows a security element 20 whose first layer 24 has first apertures 128a for making reflected in a reflected light a first type of pattern, in this case a face, and second apertures 128b of alphanumeric type, in this case a number corresponding to the face value of the note.
- the reasons for the openings 128b are advantageously alternately arranged at the place and upside down, as one moves along the security element, as illustrated. It is the same reasons for a journeys 128a. This allows to have both the front and back of the element 20 observable patterns at the place in reflected light.
- the layer 24 is for example a first metal such as aluminum.
- the pattern formed within the openings 128a may be a semitone halftone pattern, so as to reproduce a shading effect.
- the element 20 also comprises a layer 26 of a second metal different from the first, for example copper or a copper alloy.
- This second layer 26 is semi-transparent, for example due to the thickness of the metal.
- the second layer 26 is visible in reflected light on the one hand within the openings 128b, where it forms patterns 140 reproducing the meaning of those formed by the openings 128b, in this case the same numbers.
- An interval 141 can exist between the layers 24 and 26 within the openings
- the second layer 26 forms patterns 142 which complete the patterns formed by the first layer 24.
- the first layer 24 forms a pattern 144 in the form of a head in the openings 128a and the second layer forms the patterns 142 in the form of a cap covering this head.
- an interval 143 exists within each aperture 128a between the pattern 142 and at least a portion of the edge of this aperture 128a.
- the patterns 142 and 144 are not superimposed but complement each other, and together occupy the entire surface defined by the outline of the aperture 128a.
- the patterns 142 and 144 are formed by the first layer 24, and the second layer 26 is a semitransparent grid disposed in the zone of the patterns 142 and absent from the zone of the patterns 144, so as to constitute a bottom for motifs 142.
- the second layer 26 is semi-transparent and the patterns 142 and 144 form the subject, which then appears in a monochrome representation.
- the security element and / or the secure document may have one or more other conventional security elements, which may be first, second or third level.
- the security element can thus have at least one hologram or a network of microlenses, and one or more luminescent layers, in particular fluorescent under UV or IR.
- the microlens array may provide an enlarged microparticle image of layer 24 or 26, as appropriate.
Landscapes
- Credit Cards Or The Like (AREA)
- Laminated Bodies (AREA)
- Printing Methods (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201680016563.7A CN107635789B (zh) | 2015-03-16 | 2016-03-11 | 安全元件和安全证件 |
BR112017019669-7A BR112017019669A2 (pt) | 2015-03-16 | 2016-03-11 | elemento de segurança para um documento de segurança e documento de segurança |
EP16711178.0A EP3271192A1 (fr) | 2015-03-16 | 2016-03-11 | Element de securite et document securise |
KR1020177029713A KR20180002615A (ko) | 2015-03-16 | 2016-03-11 | 보안 요소 및 보안 문서 |
RU2017131394A RU2711314C2 (ru) | 2015-03-16 | 2016-03-11 | Элемент защиты и защищенный документ |
PH12017501631A PH12017501631A1 (en) | 2015-03-16 | 2017-09-08 | Security element and security documents |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1552120A FR3033735B1 (fr) | 2015-03-16 | 2015-03-16 | Element de securite et document securise |
FR1552120 | 2015-03-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016146551A1 true WO2016146551A1 (fr) | 2016-09-22 |
Family
ID=53177639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2016/055371 WO2016146551A1 (fr) | 2015-03-16 | 2016-03-11 | Element de securite et document securise |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP3271192A1 (fr) |
KR (1) | KR20180002615A (fr) |
CN (1) | CN107635789B (fr) |
BR (1) | BR112017019669A2 (fr) |
FR (1) | FR3033735B1 (fr) |
PH (1) | PH12017501631A1 (fr) |
RU (1) | RU2711314C2 (fr) |
WO (1) | WO2016146551A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2578962A (en) * | 2018-09-27 | 2020-06-03 | De La Rue Int Ltd | Documents and methods of manufacture thereof |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2576573C (en) | 2018-08-24 | 2024-02-21 | Hid Cid Ltd | A security sheet and a security booklet |
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EP0059056A1 (fr) | 1981-02-19 | 1982-09-01 | Portals Limited | Méthode de fabrication des feuilles en fibres |
EP0319157A2 (fr) | 1987-12-04 | 1989-06-07 | Portals Limited | Papier de sûreté pour des billets de banque et produits similaires |
WO1993008327A1 (fr) | 1991-10-25 | 1993-04-29 | Portals Limited | Procede de fabrication de materiaux en feuille et de papier fiduciaire |
EP0659587A1 (fr) | 1993-12-24 | 1995-06-28 | Giesecke & Devrient GmbH | Papier de sécurité avec élément de sécurité en forme de fil ou de bande et procédé pour sa fabrication |
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-
2015
- 2015-03-16 FR FR1552120A patent/FR3033735B1/fr active Active
-
2016
- 2016-03-11 BR BR112017019669-7A patent/BR112017019669A2/pt not_active Application Discontinuation
- 2016-03-11 KR KR1020177029713A patent/KR20180002615A/ko unknown
- 2016-03-11 RU RU2017131394A patent/RU2711314C2/ru active
- 2016-03-11 WO PCT/EP2016/055371 patent/WO2016146551A1/fr active Application Filing
- 2016-03-11 EP EP16711178.0A patent/EP3271192A1/fr not_active Withdrawn
- 2016-03-11 CN CN201680016563.7A patent/CN107635789B/zh active Active
-
2017
- 2017-09-08 PH PH12017501631A patent/PH12017501631A1/en unknown
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EP0059056A1 (fr) | 1981-02-19 | 1982-09-01 | Portals Limited | Méthode de fabrication des feuilles en fibres |
EP0319157A2 (fr) | 1987-12-04 | 1989-06-07 | Portals Limited | Papier de sûreté pour des billets de banque et produits similaires |
WO1993008327A1 (fr) | 1991-10-25 | 1993-04-29 | Portals Limited | Procede de fabrication de materiaux en feuille et de papier fiduciaire |
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EP1674286A1 (fr) | 2004-12-23 | 2006-06-28 | Arjowiggins Security | Élément de sécurité avec un marque digitisé et un support de sécurité ou document avec le même. |
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GB2578962A (en) * | 2018-09-27 | 2020-06-03 | De La Rue Int Ltd | Documents and methods of manufacture thereof |
GB2578962B (en) * | 2018-09-27 | 2022-02-23 | De La Rue Int Ltd | Documents and methods of manufacture thereof |
US11458753B2 (en) | 2018-09-27 | 2022-10-04 | De La Rue International Limited | Documents and methods of manufacture thereof |
Also Published As
Publication number | Publication date |
---|---|
RU2017131394A3 (fr) | 2019-07-24 |
PH12017501631A1 (en) | 2018-02-12 |
FR3033735A1 (fr) | 2016-09-23 |
BR112017019669A2 (pt) | 2018-05-15 |
CN107635789B (zh) | 2021-05-18 |
FR3033735B1 (fr) | 2022-03-04 |
RU2711314C2 (ru) | 2020-01-16 |
KR20180002615A (ko) | 2018-01-08 |
EP3271192A1 (fr) | 2018-01-24 |
RU2017131394A (ru) | 2019-04-16 |
CN107635789A (zh) | 2018-01-26 |
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