RU2430836C1 - Multilayer protective element with alternate optical effect and counterfeit-proof document - Google Patents

Multilayer protective element with alternate optical effect and counterfeit-proof document Download PDF

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Publication number
RU2430836C1
RU2430836C1 RU2010131795/05A RU2010131795A RU2430836C1 RU 2430836 C1 RU2430836 C1 RU 2430836C1 RU 2010131795/05 A RU2010131795/05 A RU 2010131795/05A RU 2010131795 A RU2010131795 A RU 2010131795A RU 2430836 C1 RU2430836 C1 RU 2430836C1
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RU
Russia
Prior art keywords
images
characterized
security element
security
multilayer
Prior art date
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RU2010131795/05A
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Russian (ru)
Inventor
Аркадий Владимирович Трачук (RU)
Аркадий Владимирович Трачук
Андрей Валерьевич Чеглаков (RU)
Андрей Валерьевич Чеглаков
Андрей Борисович Курятников (RU)
Андрей Борисович Курятников
Александр Георгиевич Писарев (RU)
Александр Георгиевич Писарев
Михаил Анатольевич Остреров (RU)
Михаил Анатольевич Остреров
Юрий Васильевич Павлов (RU)
Юрий Васильевич Павлов
Елена Михайловна Федорова (RU)
Елена Михайловна Федорова
Елена Самуиловна Туркина (RU)
Елена Самуиловна Туркина
Анатолий Павлович Губарев (RU)
Анатолий Павлович Губарев
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Федеральное Государственное Унитарное Предприятие "Гознак" (Фгуп "Гознак")
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Family has litigation
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Priority to RU2010131795/05A priority Critical patent/RU2430836C1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; 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
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40Manufacture
    • B42D25/45Associating two or more layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; 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
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30Identification or security features, e.g. for preventing forgery
    • B42D25/328Diffraction gratings; Holograms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; 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
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30Identification or security features, e.g. for preventing forgery
    • B42D25/355Security threads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; 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
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40Manufacture
    • B42D25/405Marking
    • B42D25/425Marking by deformation, e.g. embossing
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/42Ribbons or strips
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/44Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07DHANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/003Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using security elements
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07DHANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12Visible light, infra-red or ultraviolet radiation
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02Forms or constructions
    • G09F3/0291Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
    • G09F3/0292Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time tamper indicating labels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; 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
    • B42D2033/00Structure or construction of identity, credit, cheque or like information-bearing cards
    • B42D2033/24Reliefs or indentations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; 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
    • B42D2035/00Nature or shape of the markings provided on identity, credit, cheque or like information-bearing cards
    • B42D2035/50Corresponding markings appearing in different shapes or at different places
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; 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
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/21Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose for multiple purposes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; 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
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30Identification or security features, e.g. for preventing forgery
    • B42D25/324Reliefs

Abstract

FIELD: printing industry.
SUBSTANCE: invention relates to counterfeit-proof documents and to a multilayer protective element with an alternate optical effect and a counterfeit-proof document. The multilayer protective element comprises a flexible bearing layer with optically alternating structures, contains two or more groups of repeating images, which move and/or change as the angle of observation varies. Optically alternating structures are formed so that whenever the angle of observation changes, various groups of images move relative to each other. Movement of images referred to various groups takes place in parallel to the plane of the observation angle variation so that images approach or move away in respect of an observer, or movement of images related to various groups takes place perpendicularly to the plane of the observation angle variation so that images move to the right or to the left from the observer. The counterfeit-proof document includes at least one protective element.
EFFECT: invention makes it possible to increase items security by development of a new optical effect that increases recognition of a secured object based on observation of mutual movements of images as the angle of observation changes.
13 cl, 2 dwg, 3 ex

Description

The invention relates to security documents with multilayer security markings. Protected documents can be valuable documents, such as checks, stocks, banknotes, excise stamps, special federal stamps and identification documents, such as passports, identification cards, etc. In order to make tampering and counterfeiting more difficult, security documents are usually provided with security markings such as watermarks, holograms, diffraction-refractive nanograms, fluorescent signs, security threads, etc.

Many standard signs, however, have the disadvantage that they can be made or easily counterfeited and / or that they can hardly be certified without technical equipment by a lay person. The present invention is directed to the creation of such protective markings that are able to provide unusual optical effects that occur without the use of special equipment.

Protective elements based on microlens raster structures are known. Optical images in such protective elements are formed as a result of superposition of two or more microraster structures, one or more of which is microlens gratings, the others are raster structures made with the same spatial periods as microlens gratings, in the nodes of which there are repeating micro images made using printing technologies or precision stamping technologies. In these cases, the so-called moire effects are used. There are several types of such effects. Moiré effects with orthogonal or collinear (parallel) parallax shift of the observed magnified optical images. This type of moiré effects is characteristic of micro-raster structures with spherical or pseudo-spherical lenses at the nodes of raster lattices.

A micro-optical system is described (US 2005/0180020 A1, 08/18/2005), in the form of a polymer film, which when viewed with the naked eye in reflected or transmitted light, projects one or more images that exhibit various visual effects, such as orthoparallactic movement; images appear to lie deeper in the spatial plane than the thickness of the polymer film; seem to lie in the spatial plane above the surface of the polymer film; vibrate between the spatial plane deeper than the thickness of the polymer film and the spatial plane above the surface of the film, as the film rotates azimuthally; are transformed from one type, shape, size, color (or a combination of these properties) into another type, shape, size or color; seem to have realistic three-dimensionality. The films in this security element are very resistant to tampering due to their complex multilayer structure and their elements with a high aspect ratio.

Another use of microlenses allows the formation of so-called vario-stereo effects. This is achieved using linear (lenticular) cylindrical micro-raster lens structures. In this case, printed or imprinted images are formed at a distance of the order of three focal lengths from the plane of the lenticular raster and are not a lattice of microimages, as in the case considered above, but are formed by specially combining several printed or embossed images (ordinary, non-micro raster lattice images) . Each image is divided into stripes with a width of the order of the period of the lenticular raster, and through the strip with the given law, the changes in the symmetry in the stripes are combined into one single image. When observing such a complex printed image through a lenticular lens raster, various images will be visible at different angles, which forms vario- or stero-effects, including the formation of motion effects of the observed images. In these systems, optical moire magnification will not be observed.

One of the main disadvantages of microlenses is the location of the lenses on the outer surface of the protective element (they cannot be covered with any protective layer, otherwise the necessary optical effects will be lost). This leads, firstly, to fast and uncontrolled wear (abrasion) of the raster and, secondly, to the possible appearance of transparent layers of liquid, fat, etc. on the surface of the raster. The quality of the observed variable images deteriorates sharply, or the images completely disappear.

Known methods for creating floating images by forming on the surface or in the volume of protective elements of the system of the so-called diffraction-refractive relief structures (RU 2111550 C1, 05.20.1998). In a transparent layer on the surface or in the volume of the protective element, a relief structure is created in the form of systems of grooves (grooves) with a configuration and shape calculated according to a special program. Such systems form a complex combination of flat Fresnel lenses, which form changing images “floating” above or below the surface of the security element. Such images can be observed both in transmitted and reflected light. The disadvantage of such structures is the low brightness and contrast of the observed images with small sizes of protective elements.

Protective elements are also known that use holographic methods for creating changing images that are observed when changing the direction of observation and illumination of the protective element (RU 2345900 C2, 02/10/2009). In these elements, several holographic images are formed on the surface or in the volume of the security element using various reference optical frequencies (gratings). However, with the small size of security elements (which is typical for special printing products, such as securities, security threads in banknotes, excise and special stamps, etc.), the contrast and brightness of the observed images deteriorate, the movement of images becomes fuzzy and difficult to distinguish. The observation of images is complicated by their "rainbow" character, arising due to the high spatial frequencies of the gratings and the diffraction of incident non-monochromatic light on them. It is necessary to apply special measures to increase the contrast, brightness, clarity of the observed images and provide conditions for more reliable fixation of their changes (movements).

The problem solved by the invention and the technical result is to increase the security of products by creating a new optical effect that increases the recognition of the protected object, based on the observation of mutual movements of images when changing the viewing angle.

The technical result is achieved due to the group of inventions, namely due to the fact that a multilayer protective element containing a flexible carrier layer with optically variable structures containing two or more groups of repeating images that move and / or change with a change in the viewing angle is characterized by that optically variable structures are formed in such a way that when changing the viewing angle, different groups of images move relative to each other.

In addition, the multilayer security element is also characterized by the fact that the movement of images belonging to different groups occurs parallel to the plane of change of the viewing angle so that the images approach or are removed with respect to the observer, the movement of images belonging to different groups occurs perpendicular to the plane of change of angle observation so that the images move to the right or left of the observer, the movement of images belonging to different groups occurs in different axial directions In relation to the plane of change in the viewing angle or the movement of images belonging to different groups, it is combined with a smooth change in the geometric parameters of the images, for example, the angles of inclination to the longitudinal axis of the protective element or their linear dimensions.

The multilayer protective element may be made in the form of a strip or a local thin-film element, a security thread or a thin-layer film coating structure. Optically, variability is achieved by introducing microlens raster structures, diffraction-refractive structures, or holographic structures into the protective elements.

The technical result is also achieved by means of the fact that the document protected from forgery, such as a check, stock, banknote, excise stamp, special federal mark, passport, identification card and other similar products, includes at least one security element described above .

In a particular case, a security document is characterized in that the security element is made in the form of a strip or a local thin-film element placed on the surface of the security document, or the security element is made in the form of a thin-layer structure covering the security document, or the security element is made in the form of a security thread inserted into protected document.

The essence of the invention lies in the fact that the protective element containing a flexible carrier layer with optically variable structures containing two or more groups of repeating images that move and / or change with changing viewing angle, and according to the invention, the optically variable structures are formed so that when By changing the viewing angle, different groups of images that are close to each other at a distance of the order of the size of the visible images move relative to each other.

In particular cases, as already mentioned, the movement of images belonging to different groups occurs parallel to the plane of change in the viewing angle so that the images approach or are removed relative to the observer, or the movement of images belonging to different groups occurs perpendicular to the plane of change of the viewing angle so that the images move to the right or left of the observer, or the movement of images belonging to different groups occurs in different axial directions with respect to the plane bone changes observation angle or images belonging to different groups, is combined with a smooth change of geometrical imaging parameters, such as angles of inclination to the longitudinal axis of the protective element or of their linear dimensions.

Optically variable structures contain microlens raster structures, diffraction-refractive structures, or holographic structures.

A document protected from forgery, such as a check, a stock, a banknote, an excise stamp, a special federal stamp, a passport, an identification card and other similar products, contains the security element described above.

The security element may be in the form of a strip, or a local thin-film element placed on the surface of the document to be protected, or a thin-layer film structure covering the document to be protected, or a security thread inserted into the document to be protected.

The invention is illustrated by drawings.

Figure 1 illustrates the process of the change (movement) of the symbols S 1 and S 2 described above, and figure 2 shows photographs of holographic images observed at different angles formed on a real security element made in the form of a holographic thread. Here, as the symbols S 1 and S 2 , the numbers "100" were selected, located at a certain distance (of the order of 1-2 mm) from each other along the thread and changing their visible location and orientation depending on the viewing angle.

The invention is illustrated by the following examples of its implementation.

Example 1

Using the dot matrikx digital technology or analog holography methods, a rainbow holographic relief is created on the surface of the holographic foil, which, when viewed visually, forms, at a certain viewing angle α 0 , an image of two symbols S 1 and S 2 located at some distance l 0 apart from each other. When the viewing angle α 0 is changed by a certain angle Δα, the observed image changes so that the distance between the characters increases by Δl. If the viewing angle is increased by another Δα, the distance between the symbols will increase to l 0 + 2Δl. With a further increase in the observation angle by nΔα, a corresponding increase in the distance between the observed symbols by nΔl occurs. Starting from a certain value n = M, the sign of Δl can be changed, and the distance between the characters will begin to decrease. With sufficiently small values of Δα and Δl and a smooth change in the viewing angle, the movement of the symbols S 1 and S 2 will be observed, first in the direction from each other, and then towards each other. Moreover, due to physiological characteristics of vision, recognition of the movement of characters is facilitated. In the process of moving characters, they can additionally change their shape, size and orientation (as illustrated in the second and third lines of symbolic images in figure 1), which further increases the recognition of the movement of characters.

Example 2

Similarly to the considered implementation of the optical variable structure based on the rainbow holographic element in Example 1, it is possible to form floating images with the multidirectional movement of their fragments in diffraction-refractive structures in the form of a combination of Fresnel lenses combined with each other or in the form of a thin-film nanoprismatic system of diffractive optical elements. In the first case, the formation of floating images is carried out by structures obtained by embossing with master matrices made by precision engraving of concentric annular grooves (grooves) of a given profile, forming a system of Fresnel lenses intersecting each other. The engraving resolution (characteristic dimensions of the groove profile) is of the order of 1-10 microns. In the second case, the structure forming floating images is created using electronic, ionic, or laser nanolithographs with a resolution of about 10-100 nm. The structure is nanoscale tubercles and pits distributed according to a given law.

Example 3

Floating images with multidirectional movement of groups of individual fragments can also be organized in optical elements based on structures with microlens rasters and systems of lattices of microimages. In this case, the nature of the observed motion of enlarged moire images is determined by the parameters and orientation of the microimage lattices and microlenses. In the simplest case, certain local portions of the microimage raster with dimensions of the order of 10-100 spatial periods (as a rule, the characteristic size of the spatial period of the gratings is 10-100 μm) are left free of microimages. Upon observation, these areas will appear to be floating above a plane with moving enlarged images of microimages, i.e. the apparent multidirectional movement of such local areas with respect to moving remote background images will be formed.

Claims (13)

1. A multilayer security element containing a flexible carrier layer with optically variable structures containing two or more groups of repeating images that move and / or change when the viewing angle changes, characterized in that the optically variable structures are formed in such a way that when changing the viewing angle different groups of images move relative to each other.
2. The multilayer security element according to claim 1, characterized in that the movement of images belonging to different groups occurs parallel to the plane of change of the viewing angle, so that the images are approached or deleted relative to the observer.
3. The multilayer security element according to claim 1, characterized in that the movement of images belonging to different groups occurs perpendicular to the plane of change of the viewing angle, so that the images move to the right or left of the observer.
4. The multilayer security element according to claim 1, characterized in that the movement of images belonging to different groups occurs in different axial directions with respect to the plane of change of the viewing angle.
5. The multilayer protective element according to claim 1, characterized in that the movement of images belonging to different groups is combined with a smooth change in the geometric parameters of the images, for example, the angles of inclination to the longitudinal axis of the protective element or their linear dimensions.
6. A multilayer security element according to any one of claims 1 to 5, characterized in that it is made in the form of a strip, or a local thin-film element, or a security thread, or a thin-layer film coating structure.
7. A multilayer security element according to any one of claims 1 to 5, characterized in that the optically variable structures contain microlens raster structures.
8. A multilayer security element according to any one of claims 1 to 5, characterized in that the optically variable structures contain diffraction-refractive structures.
9. A multilayer security element according to any one of claims 1 to 5, characterized in that the optically variable structures contain holographic structures.
10. A document protected from forgery, such as a check, a stock, a banknote, an excise stamp, a special federal mark, a passport, an identification card and other similar products, including at least one security element described in any one of paragraphs 1-9 .
11. The security document of claim 10, wherein the security element is made in the form of a strip or a local thin-film element placed on the surface of the document to be protected.
12. The security document of claim 10, wherein the security element is made in the form of a thin layer structure covering the document to be protected.
13. A security document according to claim 10, characterized in that the security element is made in the form of a security thread inserted into the security document.
RU2010131795/05A 2010-07-29 2010-07-29 Multilayer protective element with alternate optical effect and counterfeit-proof document RU2430836C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2010131795/05A RU2430836C1 (en) 2010-07-29 2010-07-29 Multilayer protective element with alternate optical effect and counterfeit-proof document

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
RU2010131795/05A RU2430836C1 (en) 2010-07-29 2010-07-29 Multilayer protective element with alternate optical effect and counterfeit-proof document
PCT/RU2010/000732 WO2012015330A1 (en) 2010-07-29 2010-12-06 Multilayered security element with variable optical effect and a counterfeit-proof document
EP10855407.2A EP2600332B1 (en) 2010-07-29 2010-12-06 Multilayered security element with variable optical effect and a counterfeit-proof document
CN201080068352.0A CN103119638B (en) 2010-07-29 2010-12-06 There is multi-level safety unit and the security document of darkening effect

Publications (1)

Publication Number Publication Date
RU2430836C1 true RU2430836C1 (en) 2011-10-10

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EP (1) EP2600332B1 (en)
CN (1) CN103119638B (en)
RU (1) RU2430836C1 (en)
WO (1) WO2012015330A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013121401A2 (en) 2012-02-15 2013-08-22 Glenisys Kft. Security element and method to inspect authenticity of a print
WO2015160276A1 (en) * 2014-04-18 2015-10-22 Олег Умарович АЙБАЗОВ Plastic card having zonal stereo-vario effect
EA030058B1 (en) * 2017-03-15 2018-06-29 Общество С Ограниченной Ответственностью "Центр Компьютерной Голографии" Microoptical system for formation of visual images with kinematic motion effects
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EP2600332A1 (en) 2013-06-05
EP2600332B1 (en) 2015-06-10

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