WO2015072892A1 - Marque de protection - Google Patents

Marque de protection Download PDF

Info

Publication number
WO2015072892A1
WO2015072892A1 PCT/RU2014/000853 RU2014000853W WO2015072892A1 WO 2015072892 A1 WO2015072892 A1 WO 2015072892A1 RU 2014000853 W RU2014000853 W RU 2014000853W WO 2015072892 A1 WO2015072892 A1 WO 2015072892A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
image
security label
hidden
label according
Prior art date
Application number
PCT/RU2014/000853
Other languages
English (en)
Russian (ru)
Inventor
Алексей Германович ВАСИЛЬЕВ
Виталий Николаевич БУРСУК
Андрей Николаевич ПОНОМАРЕВ
Виталий Глебович КОЗЫРИЦКИЙ
Original Assignee
Закрытое акционерное общество "Первый печатный двор"
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Закрытое акционерное общество "Первый печатный двор" filed Critical Закрытое акционерное общество "Первый печатный двор"
Publication of WO2015072892A1 publication Critical patent/WO2015072892A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—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
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/333—Watermarks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—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

Definitions

  • the present invention relates to means used for authentication of products, in particular, security labels containing latent images, and can be used for the manufacture of security labels applied to documents, securities, labels, excise stamps, etc.
  • the objective of the present invention is the provision of authentication with an increased level of protection against counterfeiting by simulating and copying and providing an affordable and reliable way to verify the authenticity of products marked with these means.
  • the task underlying the present invention is solved by using a security label containing a layer with a hidden polarizing image and a reflective layer, while in the layer with a hidden polarizing image isotropic and anisotropic regions are made, and the layer with a hidden polarizing image is a dichroic light polarizer, based on organic salts of dichroic anionic dyes, and layer with a hidden polarization image and has the ability to phase polarization.
  • the elements of the latent polarizing image When viewing such a protective label through a linear polarizing filter, the elements of the latent polarizing image will change their color and brightness: from white elements to black elements to dye color elements to black elements again to white elements, etc.
  • the highest contrast of the latent polarization image is achieved by a protective mark, in which the layer with the hidden polarization image is a quarter-wave plate.
  • polyvinyl alcohol as the material of the layer with a hidden polarizing image
  • azo dye as the dye
  • Congo red As a dye, “Congo red”, “Trypan blue”, “Chrysophenin” and others capable of chemical or physical interaction with molecules of the material layer with a latent polarizing image and attached to them can be used.
  • the maximum contrast of the latent polarization image is achieved with a layer thickness of 4 to 6 microns. The best result is achieved with a thickness of 5 microns.
  • the concentration of the dye is preferably from 2 to 3 weight percent. The best result is achieved with a dye concentration of 2.5 weight percent.
  • the problem underlying the present invention is solved using a protective label containing a layer with a hidden polarizing image connected to the reflective layer by means of an adhesive layer, while the reflective layer is made in the form of a layer of thermoplastic varnish with a metal coating, and in a layer with a hidden polarizing the image contains isotropic and anisotropic regions, and the layer with a hidden polarization image is a dichroic polarizer of light, based on organic salts, dichroic x anionic dye, and a polarizing layer with a latent image has a potential for phase polarization.
  • polyvinyl alcohol as the material of the layer with a hidden polarizing image
  • azo dye as the dye
  • Congo red As a dye, “Congo red”, “Trypan blue”, “Chrysophenin” and others capable of chemical or physical interaction with molecules of the material layer with a latent polarizing image and attached to them can be used.
  • the maximum contrast of the latent polarization image is achieved with a layer thickness of 4 to 6 microns. The best result is achieved with a thickness of 5 microns.
  • the concentration of the dye is preferably from 2 to 3 weight percent. The best result is achieved with a dye concentration of 2.5 weight percent.
  • a layer with a hidden polarization image can be connected by means of an adhesive layer with a metal coating of the reflective layer.
  • a protective label will be obtained, which can be placed on the substrate, which will ensure further transfer of the label to the marked product.
  • the problem underlying the present invention is solved using a protective mark having a certain color when illuminated with unpolarized light, and containing a latent image that appears when the mark is examined through a polarizing filter, which contains the background of the latent image and latent image elements, while when viewed through a linear polarizing filter and rotated, the latent image elements change their color and brightness, and the following latent image options appear:
  • the nti of the latent image is lighter than the background, the element of the latent image is darker than the background and the elements of the latent image have a background color and brightness lower than the brightness of the background, in addition, when viewing a security mark through a circular polarizing filter, the background of the latent image is darker than the elements of the latent image and the
  • FIG. 1 shows an amplitude-phase characteristic of the linear polarization effect of a security label according to the present invention
  • FIG. 2 is an amplitude phase characteristic of a security label according to the present invention.
  • FIG. 3 is a first embodiment of a security mark
  • FIG. 4 is a second embodiment of a security mark.
  • an authentication means uses a layer with a hidden color polarized image.
  • a layer with a hidden color polarizing image is a dichroic light polarizer based on organic salts of dichroic anionic dyes. In this case, dyes having at least one maximum of the absorption spectral curve are used.
  • an optically anisotropic layer is obtained by any method known and suitable for the used polarizer, in particular by mechanical or thermomechanical action.
  • a layer with a hidden color polarization image is a layer with optically isotropic and optically anisotropic regions.
  • the relative position of the optically isotropic and optically anisotropic regions determines the latent polarization image, which appears only when the layer is examined using a polarizing filter or in polarizing light.
  • any elements of the hidden image will not be visible.
  • An even background will be observed.
  • the type of background is determined by the color and concentration of the applied dye.
  • the planes of polarization of light polarization plane of the linear polarizing filter
  • the optically anisotropic regions coincide, the maximum brightness of the latent image elements will be observed. However, the elements of the latent image will not be painted. In this position, the elements latent images (optically anisotropic regions) will be brighter than the background (optically isotropic regions).
  • the layer with a hidden color polarizing image is made of polyvinyl alcohol, into the mass of which an azo dye is introduced.
  • the Congo Red colorant may be used as a colorant.
  • a layer with a hidden polarizing image in the red region of the spectrum will be obtained.
  • the elements of the latent polarization image will change their color and brightness: from white elements to pink elements and then to red elements of a hidden polarization image.
  • Trypan Blue can also be used as a dye. In this case, a layer with a hidden polarizing image in the blue region of the spectrum will be obtained.
  • the elements of the latent polarization image will change their color and brightness: from white elements to blue elements and then to blue elements of a hidden polarization image.
  • the dye "chrysophenin" can be used. In this case, a layer with a hidden polarizing image in the yellow region of the spectrum will be obtained.
  • FIG. 1 shows the amplitude-phase characteristic of the linear polarization effect of a security label according to the present invention for the case with a red dye (“Congo Red”). For other dyes, this phase-amplitude characteristic is similar to that shown in FIG. one.
  • Position 1 denotes the characteristic of the isotropic regions of the layer with a hidden color polarization image.
  • Position 2 '- anisotropic regions.
  • a material capable of phase anisotropy is used as the material of the layer with a hidden color polarization image.
  • a layer with a hidden color polarizing image is connected to a reflective layer.
  • the thickness of the layer with the hidden color polarization image is selected so that the layer with the hidden color polarization image is a quarter-wave plate.
  • Position 1 denotes the characteristic of the isotropic regions of the layer with a hidden color polarization image.
  • Position 2 "- anisotropic regions.
  • the anisotropic regions are white and brighter than the background.
  • the anisotropic regions At angles of 90 ° and 270 °, the anisotropic regions have a dye color and are darker than the background. At angles of 45 °, 135 °, 225 °, and 315 °, the anisotropic regions actually have zero brightness.
  • the behavior of the protective mark at angles of 0 °, 90 °, 180 ° and 270 ° corresponds to the linear polarization effect described above.
  • phase polarization is manifested in the fact that when a beam of linearly polarized light passes through an anisotropic layer, a phase shift of the components of this beam occurs.
  • components are meant the projection of the beam onto the axis of polarization of the filter and the projection of the beam onto the axis perpendicular to the axis of polarization of the filter.
  • one of the components is absent or small, the other component is equal to or close to the transmitted beam of linearly polarized light.
  • the effect of phase polarization does not appear or is slightly manifested.
  • the layer with the hidden color polarization image is in the form of a quarter-wave plate, then at the output of the layer the phase shift of the components is 1/4. Thus, the effect of circular polarization is achieved.
  • the elements of the hidden color polarization image will change their color and brightness: from white elements (at angles close to 0 °) - to black elements ( at angles close to 45 °) - to dye color elements (at angles close to 90 °) - to black elements (at angles close to 135 °) - to white elements (at angles close to 180 °) - to black elements (at angles close to 225 °) - to dye color elements (at angles close to 270 °) - to black elements (at angles close to 315 °) - to white elements (at angles close to 360 ° (0 °).
  • the resulting security label has a high degree of protection.
  • a simple tinting of a layer with a hidden polarizing image or applying an additional translucent layer with a selected dye will provide an imitation of isotropic regions (background), color and brightness, which do not change when the polarization filter is rotated. However, it will not provide a simulation of anisotropic regions. For example, for red dye, the anisotropic regions of the simulated label will change color from pink to red and then to pink. That is, the color of the anisotropic regions will not change, but only their brightness.
  • the applicant of the present invention does not know how to simulate the effect of the appearance of black elements of the latent image at angles of 45 °, 135 °, 225 ° and 315 °.
  • the thickness of the layer with a hidden polarizing image may differ from the thickness of the quarter-wave plate, while the effect of darkening the elements of the hidden image will also be manifested. However, at a thickness corresponding to a quarter-wave plate, this effect is manifested in the largest volume and the maximum contrast of the latent image as a whole is achieved. It is also obvious that a quarter-wave plate is formed in anisotropic regions, isotropic regions do not have the effect of phase polarization.
  • the isotropic regions When examining a protective label through a circular polarizing filter, the isotropic regions are darkened, the anisotropic regions have a brightness higher than the background brightness (isotropic regions). This effect does not change when the circular polarizing filter is rotated.
  • the security label according to the first embodiment of the invention consists of a layer 3 with a hidden color polarizing image and a reflective layer 4 with protective elements interconnected by an adhesive layer.
  • the reflective layer 4 with protective elements is connected to the carrier 6 by an adhesive connection 7.
  • the reflective layer 4 with protective elements is a layer with protective elements that occur when light is reflected.
  • Holograms, layers with a laser-readable image, and also combined elements such as a hologram with a laser-readable image can be assigned to the reflective layer 4 with security elements.
  • the security label uses a reflective layer 4 with security elements, which is a hologram with a laser-readable image.
  • a reflective layer 4 with protective elements is formed on the thermoplastic varnish layer 9.
  • a security tag according to a first embodiment of the invention is manufactured as follows.
  • a protective varnish is applied to the temporary substrate 8.
  • the thickness of the protective varnish layer is preferably 5 ⁇ m.
  • An optically isotropic polymer layer is applied to the protective varnish 8 with a dye introduced into its mass.
  • optically anisotropic regions are formed on the surface of the isotropic layer.
  • the formation of optically anisotropic regions can be performed using a plotter or by passing through a thermal transfer printer.
  • a layer 3 is formed with a hidden color polarizing image on a temporary substrate.
  • an adhesive layer 5 is applied to layer 3 with a hidden color polarizing image.
  • a preferred reflective layer 4 with security elements which is a hologram with a laser-readable image, is produced by hot stamping a metal-coated foil.
  • the original stamp for stamping is produced by the method of electroforming, using a relief image, which is obtained, for example, by electron beam lithography.
  • the metal-coated foil is a layer 9 of thermoplastic varnish coated with a metal coating (spraying). On the side of layer 9 of thermoplastic varnish, the foil is connected to a temporary carrier (not shown in FIG. 3).
  • the metal coating is a reflective layer 4 with protective elements.
  • a metal-coated foil is used to form a standing reflective 4 with protective elements and a thermoplastic lacquer layer 9 of the protective mark.
  • the reflective layer 4 with protective elements is connected to the carrier 6 by means of an adhesive joint 7.
  • Self-adhesive paper on a siliconized substrate can be used as the carrier. After connecting to the carrier 6, the temporary carrier is removed from the thermoplastic varnish layer 9.
  • a layer 3 with a hidden color polarized image is connected to the reflective layer 4 with protective elements by means of an adhesive layer 5. The connection is made from the side of the reflective layer 4. After connecting the layer 3 with a hidden color polarization image with a reflective layer 4, a temporary substrate is removed from the protective varnish 8.
  • the security label according to the second embodiment of the invention consists of a layer 3 with a hidden color polarizing image and a reflective layer 4 with protective elements interconnected by an adhesive layer 5.
  • thermoplastic varnish layer 9 A reflective layer 4 with protective elements is formed on the thermoplastic varnish layer 9 deposited on the carrier 10.
  • the carrier 10 for example, a film of polyethylene terephthalate can be used.
  • Layer 9 of thermoplastic varnish is connected to the carrier 10.
  • the reflective layer 4 with protective elements according to the second embodiment of the invention is the same layer 4 with protective elements described in relation to the first embodiment of the invention and is manufactured in a similar manner.
  • the security label according to the second embodiment of the invention is manufactured as follows.
  • a protective varnish is applied to the temporary substrate 8.
  • the thickness of the protective varnish layer is preferably 5 ⁇ m.
  • optically isotropic polymer layer is applied to the protective varnish 8 with a dye introduced into its mass. Further, optically anisotropic regions are formed on the surface of the isotropic layer. The formation of optically anisotropic regions can be performed using a plotter or by passing through a thermal transfer printer.
  • a layer 3 is formed with a hidden color polarizing image on a temporary substrate.
  • an adhesive layer 5 is applied to layer 3 with a hidden color polarizing image.
  • the reflective layer 4 with protective elements is left on the carrier 10.
  • Layer 3 with a hidden color polarizing image is connected to the reflective layer 4 with protective elements by means of an adhesive layer 5.
  • the temporary substrate is removed from the product from the side of the protective varnish 8 and the product is ready for further cutting and use.
  • the security label according to the second embodiment of the invention has better operational properties, in particular, is more waterproof.
  • the security label, according to the first embodiment of the invention is more secure, as it is destroyed by any attempt to re-stick it from one protected product (document) to another.
  • hatching conventionally denote anisotropic regions made in layer 1 with a hidden color polarization image.
  • polyvinyl alcohol is used as the material of the layer 3 with a hidden color polarizing image.
  • the thickness of layer 3 with a hidden color polarization image corresponds to a quarter-wave plate and ranges from 4 to 6 microns.
  • the concentration of the dye (“Congo red”, “trypan blue”, “chrysophenin”) from 2 to 3 mass percent. The best technical result is achieved with a layer thickness of 3 with a hidden color polarization image of 5 ⁇ m and with a dye concentration of 2.5 weight percent.
  • a consumer can evaluate the presence of a hologram on a security tag without using any special devices.
  • this image can be detected by using special means. In this case, it can be determined not only where and by whom this protective label was produced, but also a specific stamp with which this image was made and, accordingly, the approximate production time and a batch of protective labels.

Landscapes

  • Polarising Elements (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

L'invention concerne une marque de protection comprenant une couche avec une image de polarisation cachée et une couche réfléchissante. Dans la couche comprenant l'image de polarisation cachée sont formées des régions isotropes et anisotropes, la couche comprenant l'image de polarisation cachée consiste en un polariseur dichroïque de lumière à base de sels organiques de colorants anioniques dichroïques, et la couche comprenant l'image de polarisation cachée est capable de polarisation de phase. Le résultat technique consiste en une augmentation du niveau de protection contre les contrefaçons par imitation ou copiage, tout en offrant un procédé accessible et fiable de contrôle de l'authenticité d'articles marqués.
PCT/RU2014/000853 2013-11-12 2014-11-11 Marque de protection WO2015072892A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2013150289/12A RU2544144C1 (ru) 2013-11-12 2013-11-12 Защитная метка
RU2013150289 2013-11-12

Publications (1)

Publication Number Publication Date
WO2015072892A1 true WO2015072892A1 (fr) 2015-05-21

Family

ID=53057722

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2014/000853 WO2015072892A1 (fr) 2013-11-12 2014-11-11 Marque de protection

Country Status (2)

Country Link
RU (1) RU2544144C1 (fr)
WO (1) WO2015072892A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2608240C2 (ru) * 2015-06-03 2017-01-17 Роман Леонидович Пушко Способ защиты продукции от подделки и контроля подлинности защищаемой от подделки продукции

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006125196A2 (fr) * 2005-05-18 2006-11-23 Hobbs Douglas S Dispositif optique microstructure destine a la polarisation et au filtrage des longueurs d'ondes
RU87658U1 (ru) * 2009-03-20 2009-10-20 Общество С Ограниченной Ответственностью "Первый Печатный Двор. Голографические Технологии" Защитная метка (варианты)
RU2443004C2 (ru) * 2006-05-02 2012-02-20 Холограм Индастрис Защитный маркировочный оптический элемент, способ изготовления такого элемента, система, содержащая такой элемент, и считывающее устройство для проверки такого элемента

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2165360C1 (ru) * 2000-02-24 2001-04-20 Открытое акционерное общество "Концерн защитные российские технологии" Способ удостоверения подлинности предметов

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006125196A2 (fr) * 2005-05-18 2006-11-23 Hobbs Douglas S Dispositif optique microstructure destine a la polarisation et au filtrage des longueurs d'ondes
RU2443004C2 (ru) * 2006-05-02 2012-02-20 Холограм Индастрис Защитный маркировочный оптический элемент, способ изготовления такого элемента, система, содержащая такой элемент, и считывающее устройство для проверки такого элемента
RU87658U1 (ru) * 2009-03-20 2009-10-20 Общество С Ограниченной Ответственностью "Первый Печатный Двор. Голографические Технологии" Защитная метка (варианты)

Also Published As

Publication number Publication date
RU2544144C1 (ru) 2015-03-10

Similar Documents

Publication Publication Date Title
CA2788413C (fr) Element de securite ayant un effet interferentiel augmente et une fonction supplementaire thermochromique
US20070024975A1 (en) Form birefringent grating structure, viewer, anticounterfeit security device, and method for making the same
AU2014218497B2 (en) Security device with covert images
JPWO2008018560A1 (ja) 識別媒体、識別媒体の製造方法、物品および識別媒体の識別方法
US11054551B2 (en) Multiple image scattering device
JP2009282240A (ja) 光学素子、ラベル付き物品及び光学キット
CN108239893A (zh) 防伪元件及其制造方法和安全票证
US20240159944A1 (en) Azimuthally modulated scattering device
CN102402015B (zh) 薄膜装置及其制作方法
WO2017149284A1 (fr) Éléments de sécurité et documents de sécurité
RU2544144C1 (ru) Защитная метка
US9996781B2 (en) Selectively optically readable data carrier
JP2008139509A (ja) 積層体、粘着ラベル、記録媒体、ラベル付き物品及び判別方法
RU2555667C2 (ru) Защитная метка
US20170334233A1 (en) Animated security device for a document
AU2013101172B4 (en) Multichannel optical device
AU2013100172B4 (en) Security device with covert images
EA029186B1 (ru) Защитная метка
RU2403601C2 (ru) Способ изготовления оптического двустороннего отражательного защитного средства и защитное средство, полученное этим способом
WO2022168690A1 (fr) Stratifié optique ainsi que procédé de jugement d'authenticité de celui-ci, et article
AU2015100392B4 (en) Diffractive Optical Element Including Two Selectable Images
EA026971B1 (ru) Защитный элемент со скрытым поляризованным цветным изображением
AU2014101368A4 (en) Animated security device for a document
JP2010275452A (ja) 光沢インキ及び積層体
JP2014013428A (ja) カラーシフト材を用いた真贋判定方法およびカラーシフト材

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14862172

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: A20160052

Country of ref document: BY

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14862172

Country of ref document: EP

Kind code of ref document: A1