EP3013597A1 - Élément de sécurité et document incorporant un tel élément de sécurité - Google Patents
Élément de sécurité et document incorporant un tel élément de sécuritéInfo
- Publication number
- EP3013597A1 EP3013597A1 EP14741399.1A EP14741399A EP3013597A1 EP 3013597 A1 EP3013597 A1 EP 3013597A1 EP 14741399 A EP14741399 A EP 14741399A EP 3013597 A1 EP3013597 A1 EP 3013597A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet
- message
- security element
- layer
- element according
- 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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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
-
- 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
-
- B42D2033/04—
-
- B42D2033/06—
-
- B42D2033/10—
-
- B42D2033/16—
-
- B42D2033/18—
-
- B42D2035/36—
-
- B42D2035/50—
-
- 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
- B42D25/328—Diffraction gratings; Holograms
-
- 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
-
- 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
- B42D25/391—Special inks absorbing or reflecting polarised 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
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
- B42D25/465—Associating two or more layers using chemicals or adhesives
- B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives
Definitions
- the invention relates to the field of authentication of products, security documents and other objects in particular to enable a user or recipient to verify their provenance and / or authenticity, by a visual check in particular.
- the invention proposes a security element adapted to reveal at least two distinct messages according to at least two different observation and / or illumination conditions, characterized in that it comprises, on the one hand, a stack of at least:
- the first message being visible in first observation conditions and the second message being visible in second observation conditions different from the first observation conditions.
- ⁇ - one or more images human being, portrait, animal, landscapes, still life, abstract geometric forms, etc.
- the term "pattern layer” means a layer of one or more products or materials that can be perceived by the human eye or by an automatic detection system such as a solid color or juxtaposition of colors.
- the pattern layer can be obtained by deposition of one or more inks or pigments or by the combination of photonic networks resulting from the stacking of several layers of different refractive index material, without this list being neither limiting nor exhaustive.
- an area of a sheet or layer is said to be translucent when the light passing through said translucent zone does not make it possible to distinguish the objects located behind said translucent zone, the light being diffused by said translucent zone.
- an area of a sheet or layer is described as transparent when said transparent zone does not diffuse and / or absorbs light, the incident rays according to the laws of Snell-Descartes, it is then possible to perceive the objects located behind the transparent zone.
- a sheet or a layer is said to be at least partially translucent when it comprises at least one at least translucent zone, that is to say a zone that allows the light to pass under conditions that allow the qualify as translucent either under conditions that qualify it as transparent or in intermediate conditions between translucent and transparent.
- Said at least translucent zone can then occupy all or part of the surface of the at least partially translucent sheet or layer.
- a sheet or a layer is said to be at least partially transparent when it comprises at least one transparent zone, this transparent zone being able to occupy all or part of the surface of the sheet
- An area of a sheet or layer is said to be semi-reflective when, in the absence of light at the rear of said semi-reflecting area with respect to the observation, it is possible to clearly see any object at the front of said semi-reflecting zone and reflecting, as in a mirror, on the front face of the semi-reflecting zone with respect to the observation, whereas in the presence of transmitted light any object lying behind said semi-reflecting zone is visible.
- a semi-reflective zone reflects between 5% and 90% of the incident light and transmits between 5% and 90% of the incident light with the understanding that a very small proportion of the incident light is absorbed by the sheet or layer. In a preferred but not exclusive manner a semi-reflective zone transmits between 10% and 65% of the incident light reflects and reflects between 35% and 90% of the incident light that a very small proportion of the incident light is absorbed by the sheet or layer.
- a sheet or a layer is said to be at least partially semi-reflective when it comprises at least one semi-reflecting zone which can occupy all or part of the surface of the sheet or layer at least partially semi-reflective. reflective.
- An area of a sheet or layer is said to be opaque when light can not pass through said opaque zone.
- a sheet or layer is said to be at least partially opaque when it comprises at least one opaque zone which may occupy all or part of the surface of the at least partially opaque sheet or layer.
- the first sheet may be of any suitable nature in that it comprises at least one area that transmits a portion of the incident light on its back.
- the first sheet is not necessarily translucent over its entire surface and may also include at least one at least one translucent area and at least one opaque area.
- the first sheet may have opaque areas combined with at least translucent areas to form a pattern or series of patterns.
- the first sheet may be a sheet of paper, a sheet of a synthetic material or a composite material without this list being neither exhaustive nor exhaustive
- the last sheet may be of any suitable nature so the last sheet may be at least partially opaque or at least partially translucent.
- the last leaf may also be partially opaque and partially translucent.
- the last sheet may also have opaque areas combined with at least translucent areas to form a pattern or series of patterns.
- the last sheet may be a sheet of paper, a sheet of cardboard, a sheet of a synthetic material or a composite material without this list being neither exhaustive nor exhaustive.
- the first sheet is an at least partially semi-reflective sheet. That is to say a finished product comprising an at least partially transparent sheet carrying an at least partially semi-reflective layer. Each semi-reflective zone of the semi-reflecting layer is then located in relation to each transparent zone of the sheet at least partially transparent.
- the at least partially semi-reflective sheet may comprise a metal deposit, te!
- the at least partially transparent sheet is not necessarily transparent over its entire surface and may have opaque areas combined with transparent areas so as to form a pattern or series of patterns.
- the metallic material does not necessarily cover the entire surface of the transparent sheet and may also have different densities in different areas of the at least partially transparent sheet so as to form a pattern or series of patterns.
- the constituent pattern layer of the first message is located on or against the first at least partially semi-reflective layer. This position of the pattern layer makes it possible to take advantage of polarization phenomena of light that can be used for the authentication of the security element according to the invention.
- the security element comprises between the first sheet and the last sheet a message complementary to the first message formed by at least one pattern layer.
- the complementary message corresponds to the negative of the first message so that the first message and its complementary message are not visible in transmitted light.
- the security element comprises between the second message and the last sheet at least one layer of a material comprising fluorescent pigments excitable by ultraviolet radiation. This feature allows the second message to be visible at least in reflection under UV illumination from the front of the stack.
- the last sheet is at least partially translucent.
- the security element comprises between the back, inclusive, of the first sheet and the back, inclusive, of the last sheet at least a second layer at least partially semi-reflective .
- the last sheet is semi-reflective. That is to say a finished product as described above with regard to the first semi-reflective sheet.
- At least one at least partially semi-reflective layer comprises a metal deposit of a material selected from the following materials:
- At least one at least partially semi-reflective layer has zones possessing different light transmission coefficients.
- the security element comprises between the front, inclusive, of the first sheet and the back, inclusive, of the last sheet, at least one layer of a refractive index material
- a refractive index layer makes it possible to accentuate the reflection of the light rays in the stack and thus to increase the contrasts during the reflection observation of the first or second message in particular.
- the layer of a high refractive index material may be disposed between the constituent pattern layer of the first message and the first sheet which enhances the reflection and brilliance of the first message. If the layer of a high refractive index material is disposed between the first and the last sheet, the reflection is accentuated equally on both sides of the security element. In the case where a layer of a high refractive index material is disposed between the first message and the first sheet and / or between In the third message and the last sheet, it may have diffractive properties, in particular a holographic appearance forming a pattern.
- high refractive index material is to be understood to mean a material having an optical refractive index value greater than or equal to 2 and for example of the order of 2.7.
- the high refractive index layer may be made in any suitable manner and, for example, comprise a layer of a high refractive index material selected from
- TiO2 titanium oxide
- the high refractive index layer has areas having different refractive indices.
- the security element comprises between the first sheet and the last sheet, a partially at least partially transparent intermediate sheet carrying at least one layer of a high refractive index material.
- the stack comprises between the back, inclusive, of the first sheet and the front, inclusive, of the last sheet, at least one partially opaque layer.
- a partially opaque layer comprises at least one opaque zone and at least one at least one translucent zone, which may, for example, but not exclusively form one or more patterns.
- the partially opaque layer comprises a metal deposit.
- the security element comprises on the reverse side of the last sheet at least one third message formed by at least one pattern layer, the third message being visible in third observation conditions different from the first and second observation conditions.
- the security element comprises, between the first sheet and the last sheet, a complementary message of the third message formed by at least one pattern layer. [35] The complementary message may then correspond to the negative of the third message so that the third message and its complementary message are not visible in transmitted light.
- the security element comprises between the first sheet and the last sheet a partially at least transparent intermediate sheet comprising a complementary message of the first message and / or a complementary message of the third message and / or a second message.
- the security element comprises, between the first sheet and the last sheet, a layer comprising at least one hologram.
- the security element comprises, between the first sheet, included, and the last sheet, included, a transparent layer containing oriented reflective wafers.
- At least some of the constituent sheets of the stack are linked to each other.
- the constituent sheets of the stack are connected to each other on at least all the parts of their surfaces corresponding to each of the messages, so that in the event of an attempt to separation of said sheets the messages are at least partly altered.
- connection of the constituent sheets of the security element can be carried out in any appropriate manner, in particular by rolling.
- the security element comprises at least one layer of adhesive disposed at least between two constituent sheets of the stack.
- the security element comprises on the front face of the first sheet and / or on the back side of the last sheet a protective layer at least partially transparent.
- a transparent protective layer made in any appropriate manner and for example formed by a layer of glue or varnish.
- At least one of the pattern layers is formed by printing.
- the invention also relates to a security document including a security element according to the invention and forming for example a passport, an identity card, a driving license, a playing card or interactive collector, a means of payment, including a credit card, bank note, purchase order or voucher, secure label, transport card, loyalty card, service card, membership card or specific payment method such as a token or a wafer especially used in casinos.
- a security document including a security element according to the invention and forming for example a passport, an identity card, a driving license, a playing card or interactive collector, a means of payment, including a credit card, bank note, purchase order or voucher, secure label, transport card, loyalty card, service card, membership card or specific payment method such as a token or a wafer especially used in casinos.
- FIG. 1 is a schematic section of a first embodiment of a security element according to the invention.
- FIG. 2 is a view showing three different messages that can be displayed according to three different conditions of observation and / or illumination of the security element illustrated in FIG. 1.
- FIG. 3 shows different messages and layers of ink constituting the security element illustrated in FIG.
- FIGS. 4 to 9 are sections similar to FIG. 1 showing various alternative embodiments of the security element according to the invention.
- a security element according to the invention is adapted to allow visualization, from its face recto R, of a first message M1, represented in FIG. 2, in first viewing conditions, namely by reflection of an incident light L1 emitted towards the front face R of the security element 1.
- the security element 1 is also adapted to enable the display, from the front face R, of a second message M2 in second viewing conditions, namely by transmission of a light L2 passing through the security element 1 from its reverse side V to its front face R.
- the security element 1 is also adapted to allow the display of a third message 3, from its reverse side V, in third illumination conditions namely by reflection of an incident light L3 emitted towards the reverse side V.
- the security element 1 comprises a stack of a first at least partially semi-reflective sheet 2, and an intermediate sheet that is at least partially transparent. and a last at least partially semi-reflective sheet 4.
- the first sheet 2 is formed by an at least partially translucent film, at least partially translucent, on which is applied a first at least partially semi-reflective layer 2 "comprising a metal deposit such as
- the first layer 2 is oriented towards the front face R of the security element 1.
- the face of each sheet, constituting the stack forming the lamination security element 1, oriented towards the front face R of the security element 1 will be designated as the front face of said sheet while the opposite face of the latter will be designated as the reverse side.
- the at least partially semi-reflective first layer 2 "forms the front face of the first sheet 2.
- the last semi-reflecting sheet 4 is formed by a transparent sheet 4 'at least partially translucent, in this case transparent, on the back of which is applied a second layer 4 "at least partially semi reflective comprising, in this case, at least one metal deposit such as an aluminum deposit.
- the first and second at least partially reflective layers 2 "and 4" preferably have an optical density of between 0.2 and 1 so that the at least partially semi-reflecting 2 and 4 corresponding sheets have a transmittance included between 10% and 65% and preferably of the order of
- the first message M 1 is formed on the front face R of the first sheet 2, in this case the face carrying the first layer 2 ", by the application or printing of at least a first layer of pattern 5 with less ink.
- pattern layer 5 is made to reproduce the patterns of the first message M1 as illustrated in FIG.
- the third message M3 is formed on the reverse side of the last sheet 4, in this case the face carrying the at least partially reflective second layer 4 ", by the application or printing of at least one second pattern layer 6 comprising at least one ink
- This second pattern layer 6 is made to reproduce the patterns of the third message M3 as illustrated in FIG.
- the security element 1 comprises a message M1 ', illustrated in FIG. 3, complementary to the first message M1 in that the superposition of the first message M1 with its complementary message M1' makes it possible to obtain a background on which the first message Ml is not visible.
- the message M1 ' is the negative of the message M1.
- the security element 1 comprises a message M3 ', represented in FIG. 3, complementary to the third message M3 in that the superposition of the third message M3 with its complementary message M3 makes it possible to obtain a background on which the third message M3 is not visible.
- the message M3 ' is the negative of the message M3.
- the complementary messages and M3 'and the second message M 2 are formed by at least one pattern layer 7 comprising at least one ink which is applied or printed on the front side of the intermediate sheet 3
- the pattern layer 7 forms the combination of the complementary messages 1 ', M 3' and the message M2 as shown in FIG. 3.
- the patterns of the complementary messages 1 ', M 3' are printed in such a way that it is possible to coincide with the patterns of the first and third messages respectively in the constituent stack of the security element 1 according to the invention.
- the three sheets 2, 3, 4 thus printed are then laminated together with the interposition, on the one hand, of a layer 8 of transparent adhesive between the first sheet 2 and the intermediate sheet 3 and, on the other hand, a layer 9 of transparent adhesive between the intermediate sheet 3 and the last sheet 4.
- This rolling is carried out so as to ensure coincidence, on the one hand, the patterns of the first message M1 with the patterns of its complementary message M1 ' and, on the other hand, patterns of the third message M3 with the patterns of its complementary message M3 '.
- the glue or adhesive implemented may be of any appropriate nature.
- the cohesive force of the adhesive is preferably greater than the coherence of the sheets 2, 3, 4 as well as that of the pattern layers. 5, 6, 7.
- the front faces R and verso V are each covered with a layer, respectively 10 and 11, transparent protection, for example a layer of glue or varnish, which protects the layers of ink 5 and 6 corresponding and allows the adhesion of the security element on the document.
- transparent protection for example a layer of glue or varnish, which protects the layers of ink 5 and 6 corresponding and allows the adhesion of the security element on the document.
- transparent protective layers are optional and the security element 1 according to the invention may not comprise or include on one of its faces.
- Figure 4 illustrates an alternative embodiment of a security element according to the invention, which differs from that described above in relation to Figures 1 to 3, in that the intermediate sheet is replaced by a layer 14 in at least transparent portion comprising a hologram 15 such as, for example, a Lippman hologram as described in EP 1 674 286.
- a hologram 15 such as, for example, a Lippman hologram as described in EP 1 674 286.
- Figure 5 illustrates an alternative embodiment of a security element according to the invention, which differs from that described above in relation to Figures 1 to 3, in that the intermediate sheet is replaced by a layer 16 in at least transparent portion comprising reflecting plates 17 oriented parallel to each other so that the second message M2 is visible in transmission only in a direction of observation parallel to the wafers.
- a layer can be obtained by the dispersion of reflective platelets of a ferromagnetic metal in a resin whose orientation is provided magnetically until polymerization of the resin as described in patent EP 1 819 525.
- Figure 6 illustrates an alternative embodiment of a security element according to the invention, which differs from that described above in relation to Figures 1 to 3, in that it does not include an intermediate sheet.
- the layer 7 of at least one ink comprising the complementary messages M1 'and M3' as well as the second message M2 is then printed on the reverse side of the first sheet 2. This printing is carried out in such a way that the complementary message M1 'coincides with the first message Ml while the assembly of the first sheet 2 with the last sheet 4 is performed so as to ensure the coincidence of the complementary message M3 'with the third message.
- Figure 7 illustrates an alternative embodiment of a security element according to the invention, which differs from that described above in relation to Figures 1 to 3, in that the last sheet 20 is a sheet of paper and in that it includes only the first Ml and second M2 messages as well as the message ⁇ complementary to the first message M1.
- the second message M2 and the complementary message ⁇ are then formed by an ink layer 21 which is printed on the front of the first sheet 2.
- the pattern layer 5, constituting the first message Ml is printed on the at least partially semi-reflective first layer 2 "located on the side of the recto R security element 1.
- the first message M1 is visible, from the front face R, in reflection when illuminating the front face R of the security element 1 by means of a light L1. unpolarized.
- the second message M2 is visible, from the front face R, in reflection during the illumination and the visualization of the front face R through a circular polarizer 22.
- the circular polarizer 22 comprises a linear polarizer 23 located on the side of the light source and a quarter-wave plate 24 located on the side of the light element.
- Safety 1 The linear polarizer 23 has the property of letting the light having a polarization parallel to its own and block the light perpendicular to its axis of polarization, and attenuates the others.
- the quarter-wave plate 24 has the property of transforming a linearly polarized light into a circular polarization light and conversely to transform a circular polarization light into a linear polarization light.
- the light having passed through the polarizer 22 will be an incident light L2 'having a circular polarization in a given direction.
- the light conveying the first message M1 will result from a single reflection on the at least partially semi-reflective first layer 2 "so that it will have a circular polarization in a direction opposite to the incident light L2 '.
- conveying the second message M 2 obtained by reflection on the last paper sheet 20, is found unpolarized, that is to say that all the polarizations are present, and will then be attenuated but not stopped by circular pager 22 thus allowing its display of the second message 2.
- FIG. 8 illustrates an alternative embodiment of a security element according to the invention, which differs from that described previously with reference to FIG. 7, in that the security element 1 comprises, between the security layer 1, 21 and the sheet 20, a layer 26 of a material containing fluorescent pigments excitable by ultraviolet UV radiation.
- the first message M1 is visible, from the front face R, in reflection when lighting the front face R of the security element 1 by means of a white light L1 or the light of the day.
- the second message M2 is visible to it, from the front face R, during the illumination of the front face R by a UV ultraviolet light which excites the fluorescent pigments of the layer 26 which then emit radiation. visible light at the back of the ink layer 21.
- the second message M2 is visible, on the one hand, in transmission from the back side V in natural lighting and, on the other hand, in reflection from the front face R in UV illumination.
- Figure 9 illustrates a variant of the security element illustrated in Figure 1, which differs from the latter in that the security element 1 further comprises sheets and layers described in connection with Figure 1 a layer 30 with a high refractive index such as, for example, a layer of a titanium dioxide deposit.
- the layer 30 is in this case located between the intermediate sheet 3 and the pattern layer 7.
- the use of such a high refractive index layer 30 makes it possible to increase the amount of reflected light without overly attenuating the light transmitted.
- the non-colored or neutral high refractive index layer further preserves the color of the pattern layer in contrast to a semi-reflective layer which is generally gray in color.
- the complementary message ⁇ and / or M3 'as well as the second message M2 are formed by the same pattern layer.
- the complementary message M1 'and / or M3' as well as the second message M2 may also be formed by several pattern layers which may, for example, be located on distinct faces of sheets of the stack.
- the security element 1 can be incorporated or included in a security document, such as a passport, an identity card, a driving license, a playing card or interactive collectible, a means of payment, in particular a payment card, a bank note, a voucher or a voucher, a transport card, a loyalty card, a service card or a subscription card.
- a security document such as a passport, an identity card, a driving license, a playing card or interactive collectible, a means of payment, in particular a payment card, a bank note, a voucher or a voucher, a transport card, a loyalty card, a service card or a subscription card.
- a security document thus obtained therefore comprises at least one security element 1 as described above. However, it may include other "first level” security elements and / or at least one so-called “second level” and / or "third level” security element.
- the document may include the following security features alone or in combination:
- UV absorber in particular in the form coated or mixed with at least one constituent layer of the document,
- a light collector specific material for example of the "waveguide” such a luminescent light collector material such as polymer films based poiycarbonate marketed by Bayer under the name LFSA ®,
- an embossed image means producing a "moiré effect", such an effect being able for example to reveal a pattern produced by the superposition of two security elements on the document, for example by bringing lines of two security elements closer together,
- a lens for example a magnifying glass
- a flat and relatively small security element such as a board, visible or non-visible, in particular luminescent, with or without an electronic device,
- - security fibers in particular metallic, magnetic (with soft magnetism and / or hard), or absorbing, or excitable with ultraviolet, the visible or the infrared, and in particular the near infrared (NIR),
- an automatically readable security having specific and measurable luminescence characteristics (for example fluorescence, phosphorescence), light absorption (for example ultraviolet, visible or infrared) / Raman activity, magnetism, micro-interaction waves, X-ray interaction or electrical conductivity,
- Infalsification reagents for example dipyridyl with ferric ions which, during an attempt of falsification by a reducing agent, are reduced to ferrous ions and show a red color
- a reagent such as potassium iodate, which can form a visible and colored mark during an attempt to falsify.
- one or more security elements as defined above may be present in the document and / or in one or more constituent layers of the document or in one or more security elements incorporated in the document and / or in one or more constituent layers of the document.
- document such as a security thread, a fiber or a board.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1356063A FR3007321B1 (fr) | 2013-06-25 | 2013-06-25 | Element de securite adapte pour reveler au moins deux messages distincts selon au moins deux conditions d'observation differentes et document incorporant un tel element de securite |
PCT/IB2014/062565 WO2014207659A1 (fr) | 2013-06-25 | 2014-06-24 | Élément de sécurité et document incorporant un tel élément de sécurité |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3013597A1 true EP3013597A1 (fr) | 2016-05-04 |
EP3013597B1 EP3013597B1 (fr) | 2018-04-04 |
Family
ID=49474560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14741399.1A Active EP3013597B1 (fr) | 2013-06-25 | 2014-06-24 | Element de securite et document incorporant un tel element de securite |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3013597B1 (fr) |
FR (1) | FR3007321B1 (fr) |
WO (1) | WO2014207659A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11120711B2 (en) * | 2017-08-30 | 2021-09-14 | Mimaki Engineering Co., Ltd. | Multilayered printed matter and multilayer printing method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8912750D0 (en) * | 1989-06-02 | 1989-07-19 | Portals Ltd | Security paper |
GB2338680B (en) * | 1998-06-25 | 2000-05-17 | Rue De Int Ltd | Improvementd in security documents and subtrates therefor |
EP1669213A1 (fr) | 2004-12-09 | 2006-06-14 | Sicpa Holding S.A. | Elément de sécurité avec un aspect dépendent de l'angle d'observation |
PL1674286T3 (pl) | 2004-12-23 | 2011-07-29 | Arjowiggins Security | Element zabezpieczający mający cyfrowy znacznik oraz zabezpieczone podłoże lub zabezpieczony dokument zawierający taki element |
-
2013
- 2013-06-25 FR FR1356063A patent/FR3007321B1/fr not_active Expired - Fee Related
-
2014
- 2014-06-24 EP EP14741399.1A patent/EP3013597B1/fr active Active
- 2014-06-24 WO PCT/IB2014/062565 patent/WO2014207659A1/fr active Application Filing
Non-Patent Citations (2)
Title |
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None * |
See also references of WO2014207659A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR3007321B1 (fr) | 2015-07-24 |
WO2014207659A1 (fr) | 2014-12-31 |
EP3013597B1 (fr) | 2018-04-04 |
FR3007321A1 (fr) | 2014-12-26 |
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