EP3802141A1 - Verfahren zum herstellen eines wertdokuments, wertdokument und druckvorrichtung - Google Patents
Verfahren zum herstellen eines wertdokuments, wertdokument und druckvorrichtungInfo
- Publication number
- EP3802141A1 EP3802141A1 EP19729440.8A EP19729440A EP3802141A1 EP 3802141 A1 EP3802141 A1 EP 3802141A1 EP 19729440 A EP19729440 A EP 19729440A EP 3802141 A1 EP3802141 A1 EP 3802141A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- effect pigments
- value document
- pigments
- embossing
- document substrate
- 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
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
- B42D25/369—Magnetised or magnetisable materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/40—Distributing applied liquids or other fluent materials by members moving relatively to surface
- B05D1/42—Distributing applied liquids or other fluent materials by members moving relatively to surface by non-rotary members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/20—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields
- B05D3/207—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields post-treatment by magnetic fields
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/08—Print finishing devices, e.g. for glossing prints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F9/00—Rotary intaglio printing presses
- B41F9/002—Sheet printing presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/29—Securities; Bank notes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/324—Reliefs
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/425—Marking by deformation, e.g. embossing
Definitions
- the invention relates to a method for producing a value document, in particular a banknote, a value document obtainable by the method and a printing device for carrying out the method.
- Data carriers such as valuables or identity documents, or other items of value, such as branded articles, are often provided with security elements for securing purposes, which permit a verification of the authenticity of the data carriers and at the same time serve as protection against unauthorized reproduction.
- Security elements with viewing-angle-dependent effects play a special role in the authentication of authenticity since they can not be reproduced even with the very latest copying machines.
- the security elements are thereby equipped with optically variable elements which give the viewer a different image impression under different viewing angles and, for example, show a different color or brightness impression and / or another graphic motif depending on the viewing angle.
- Thin-film systems which produce a viewing angle-dependent color impression on the viewer by means of interference are known in the prior art.
- This optical effect can serve as an optically variable security element.
- a large-scale thin-film system can be comminuted by various techniques.
- the size of the resulting flakes or platelets can be laterally up to a few microns, but the size is usually in a range of 2pm to lOOpm.
- the vertical structure of a platelet is given by the requirements of the Inter ferenz Anlagenen and is usually as thin as possible, for example in a range of 200 nm to 800 nm.
- Such platelets come eg in op- Variable color table (so-called OVI color) is used, which serves to provide a security element.
- the pigment platelets have a magnetic moment.
- Magnetically orientable effect pigments are e.g. commercially available under the trade name OVMI® from SICPA (the abbreviation OVMI stands for the term "optically variable magnetic ink”) .
- the pigments have a platelet-like structure and are in the form of a layer composite, which often comprises two layers of optical effect layers and one With regard to the optical effect layers, metallic-reflecting layers as well as color-shifting layer systems, eg with an absorber / dielectric / reflector structure, are suitable.
- the embedded magnetic layer is generally not visible. but is required to align the pigments.
- the pigments are introduced into a transparent binder.
- the orientation of the pigments can be influenced immediately after printing on a printing material.
- the binder is cured, for example by means of UV irradiation, in order to fix the orientations of the pigments.
- the object of the present invention is to provide a method by which the control over the arrangement of the thin-film pigments or effect pigments of an optically variable paint applied to a printing material is improved.
- step c1) the step c1) of exposing the lacquer containing the magnetically orientable effect pigments to a dynamic, in particular a rotating magnetic field, so that the effect pigments in the lacquer are arranged parallel to the value document substrate and in particular impact-to-impact; the step c2) of irradiating the paint containing the effect pigments with UV radiation, the step c2) taking place in particular after the step c1) or simultaneously taking place together with the step c1).
- step c2) is performed after step cl).
- the value document substrate provided in step a) is in particular a paper substrate, a plastic substrate, a film / paper / film composite substrate (see, for example, WO 2006/066431 A1) or a Pa
- the value document substrate provided in step a) is a film substrate for the production of security strips, security threads or security patches or security chains which are used to secure value documents, e.g. Banknotes that are suitable.
- the magnetic field may e.g. be generated by an electromagnet. It is advantageous that the different magnetic field vectors are pa r parallel to the value document substrate. This causes the pigments to align as desired parallel to the value document substrate.
- thermoplastic UV varnish it is possible to use a thermoplastic UV varnish.
- thermoplas tical UV varnish could contain below the magnetically orienting ble effect pigments containing paint a technically available, thermoplas tically deformable layer.
- step d) a United embossing of a partially cured UV lacquer takes place, it is expedient to perform in an additional step e) after embossing or during embossing a complete curing.
- step c) has the following (sub) steps: c) the step cla) of exposing the lacquer containing the magnetically orientable effect pigments to a dynamic, in particular a rotating, magnetic field, so that the effect pigments in the lacquer are arranged parallel to the value document substrate and, in particular, impact-to-shock, around the effect pigments to arrange in this way in the form of a pre-orientation; step clb), in which a further orientation or alignment of the magnetically orientable effect pigments preoriented in the course of step cla) takes place by application of a static magnetic field so that the effect pigments assume a changed orientation from the pre-orientation; the step c2) of irradiating the paint containing the effect pigments with UV radiation, the step c2) taking place in particular according to the steps cla) and clb).
- the additional step d) can take place, namely d) the step of embossing of the cured or at least partially cured UV varnish, the pre-oriented effect pigments, which are initially arranged parallel to the value document substrate and, in particular, impact-to-joint, and subsequently to a changed orientation having subjected effect pigments so that in the paint an embossed, the viewer an optically variable image ver-mediating relief structure is formed with the relief adjusting effect pigments.
- the value document may in particular be a paper banknote, polymer banknote or composite film banknote, or an identity card or a passport page.
- the abbreviation OVMI® pigments is used instead of the term “magnetically orientable effect pigments.”
- the pigments have a platelike structure
- OVI® stands for optically variable color
- OVI® pigments are ef ective pigments or pigments Thin-film pigments of an optically variable color ge means.
- Figure 1 shows the alignment of "leafing" pigments in a paint applied to a substrate
- Figure 2 shows the alignment of "non-leafing" pigments in a paint applied to a substrate
- Figure 3 shows the arrangement of pigments in a paint applied to a substrate prior to embossing transition
- Figure 4 shows the arrangement of pigments in a paint applied to a substrate after the embossing process.
- Figure 5 shows the alignment of OVMI® pigments dispersed in a UV-curable varnish exposed to a rotating magnetic field as viewed in cross-sectional view;
- FIG. 6 shows the alignment of OVMI® pigments dispersed in a UV-curable lacquer, which are exposed to a rotating magnetic field, when viewed in plan view;
- FIGS. 7 and 8 show the arrangement of OVMI pigments which are exposed to a rotating magnetic field in a UV-curable lacquer applied to a printing substrate, in each case before and after the embossing process.
- the method according to the invention preferably includes the embossing of a dispersion solution in which thin-film pigments are contained.
- OMI® pigments optically variable color
- the orientation of the pigments of an optically variable color (OVI® pigments) in the dispersion medium is based on the complex interaction of various factors such as the viscosity of the medium and the shrinkage during drying. If the Fier thoroughlyspa parameters are selected correctly, it is possible that the pigments align almost parallel to the interface of the dispersion medium. In this case one distinguishes between “leafing” pigments and “non-leafing” pigments: “Leafing" pigments move to the surface of the dispersion medium after application to a printing material (see FIG.
- the reference number 1 designates this the value document substrate, in the example a paper substrate, the reference number 2 denotes “leafing” pigments, the reference number 3 denotes the dispersion medium, eg a UV-curable lacquer), whereas “non-leafing” pigments 4 (see the figure 2) within the dispersion medium at random and at different heights.
- Leafing pigments can be arranged both at the boundary layer “substrate-paint” and at the boundary layer “paint-air”.
- dispersion medium UV-curing lacquer
- OVI® pigments referred to as "OVI embossing lacquer”.
- the OVI embossing lacquer uniformly on the value document substrate to be printed.
- a suitable embossing tool 5 To emboss the OVI embossing lacquer, a suitable embossing tool 5 must be used (see FIG. 3).
- the lower limit for the dimensions of the embossed structure is given in particular by the size of the pigments 2 ("leafing" pigments in the example), for example in a range from 2 ⁇ m to 100 ⁇ m moderately large dimension (ie, in a dimension that is larger than the dimensions of the embossed structure), when embossing to smaller
- the local layer height of the lacquer changes: in some places the embossing tool's pre-struc- ture impresses the OVI embossing lacquer and the layer height is reduced.
- there is a transfer of the OVI embossing lacquer which leads to a local fluid dynamics of the embossing lacquer: a buoyancy gradient, i. on embossed depressions the buoyancy which acts on the pigments is less pronounced than on elevations.
- the pigments move downwards at the points where the embossing lacquer is strongly pressed, whereas the pigments move upwards at the places where the embossing structure has an elevation (or the pigments move less strongly downwards) ).
- the movement may also be different along a pigment, resulting in an inclination of the pigment.
- the pigments are aligned along the orientation of the imprint structure immediately above (see Figure 4). The pigments follow the embossing structure of the paint.
- the OVI embossing lacquer can be completely cured by UV radiation who the. In this way, the pigments are immobilized and fixed with respect to their final alignment. Since the embossing structure of the embossing tool can be produced, for example, by milling, 3D printing, lithography or the like with high design freedom, the method allows a high level of detail.
- embossed structures can readily be prepared so that adjacent flanks have slopes that differ greatly from each other.
- step cl) the step cl) of exposing the magnetically orientable effect pigments containing paint to a dynamic, in particular rotating, magnetic field, so that the effect pigments in the paint parallel to the Wertdo kumentsubstrat and in particular arrange shock-to-shock; the step c2) of irradiating the paint containing the effect pigments with UV radiation, wherein the c2) takes place in particular after the step c1) or simultaneously takes place together with the step c1);
- the step of embossing the cured or at least partially cured UV lacquer comprising the effect pigments arranged parallel to the value document substrate and, in particular, so that an embossed relief structure imparting an optically variable image to the viewer is involved in the lacquer on the relief adjusting effect pigments is.
- OVMI® pigments are also referred to herein as "OVMI embossing lacquer”.
- FIG. 5 illustrates the alignment of OVMI® pigments 6 dispersed in a UV-curable lacquer 3, which are exposed to a rotating magnetic field, when viewed in cross-sectional view.
- the reference numeral 1 denotes the value document substrate, in the example a paper substrate.
- the UV-curable lacquer 3 comprising the OVMI® pigments 6 was screen-printed onto the paper substrate 1.
- the rotating magnetic field is generated by means of a magnetic stirrer arranged below the paper substrate 1 (not shown in FIG. 5) and, in the example, is a continuously rotating magnetic field at a speed of 150 revolutions per minute.
- the OVMI® pigments 6 form a substantially homogeneous, reflective surface due to the rotating magnetic field. The arrangement of the individual OVMI® pigments takes place, so to speak, "impact on impact".
- FIG. 6 shows a section of the "impact-to-shock" orientation, recognizable under the microscope, of OVMI® pigments 6 dispersed in a UV-curable lacquer, which are exposed to a rotating magnetic field when viewed in plan view.
- step c1) exposure of the UV-curable lacquer 3 containing the magnetically orientable effect pigments 6 to a rotating magnetic field takes place so that the effect pigments 6 in the lacquer 3 are impact-abutting along the surface of the lacquer 3 Wertdocumentsubstrats 1 arrange NORD, at the same time the step c2) of the irradiation of the effect pigments 6 containing paint 3 with UV radiation.
- the UV irradiation depending on the duration or dose of the UV treatment, results in a cured or at least partially cured UV varnish 3 which performs the impact-on-impact along the Surface of the value document substrate 1 arranged effect pigments 6 has.
- Ver embossing means of a stamping tool 5 for example, a gravure printing plate, an embossed, the viewer a op table variable image mediating relief structure 7 is formed with the relief of matching effect pigments 8.
- the method according to the invention makes possible extremely advantageous control of the pigment orientations, so that in particular homogeneous shiny, structured surfaces can be imitated.
- a granular, noisy texture known in the art may also be generated.
- the method according to the invention comprises the following steps:
- step cla) the step cla) of exposing the lacquer containing the magnetically orientable effect to a dynamic, in particular a rotating magnetic field, so that the effect pigments in the lacquer are arranged parallel to the value document substrate and, in particular, impact-to-shock, in order to apply the effect pigments to the latter
- step clb in which a further orientation or alignment of the magnetically orientable effect pigments pre-oriented in step to step cla) is effected by applying a static magnetic field so that the effect pigments assume an orientation changed by the pre-orientation
- the step of embossing the cured or at least partially cured UV varnish which comprises the first parallel to the value document substrate and in particular shock-to-joint arranged, pre-oriented effect pigments and subsequently a modified orientation under effect pigments, so in the paint an embossed relief structure, which conveys an optically variable image to the viewer, is formed with effect pigments matching the reflection.
- the preferred variant achieves a special attractiveness and brilliance of the color layer having the effect pigments.
- the effects obtained are due to the fact that the effect pigments in the alternating field change not only their orientation (i.e., the tilt angle) but also their arrangement (i.e., position in the paint). In the case of a rotating bar magnet, the effect pigments seem to accumulate in a plane and themselves
- the effect pigments thus form a layer which is as closed as possible, which leads to an increased, usable, reflective surface and thus to an increased brilliance, in this way also the quantitative requirement of the effect pigments to be used can be reduced.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Printing Methods (AREA)
- Credit Cards Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018004433.6A DE102018004433A1 (de) | 2018-06-05 | 2018-06-05 | Verfahren zum Herstellen eines Wertdokuments, Wertdokument und Druckvorrichtung |
| PCT/EP2019/000171 WO2019233624A1 (de) | 2018-06-05 | 2019-05-28 | Verfahren zum herstellen eines wertdokuments, wertdokument und druckvorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3802141A1 true EP3802141A1 (de) | 2021-04-14 |
| EP3802141B1 EP3802141B1 (de) | 2023-03-29 |
Family
ID=66810749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19729440.8A Active EP3802141B1 (de) | 2018-06-05 | 2019-05-28 | Verfahren zum herstellen eines wertdokuments, wertdokument und druckvorrichtung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11602949B2 (de) |
| EP (1) | EP3802141B1 (de) |
| CN (1) | CN112055662B (de) |
| DE (1) | DE102018004433A1 (de) |
| WO (1) | WO2019233624A1 (de) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020004959A1 (de) * | 2020-08-13 | 2022-02-17 | Giesecke+Devrient Currency Technology Gmbh | Optisch variables Sicherheitselement |
| CN112644200A (zh) * | 2021-01-05 | 2021-04-13 | 彭亮 | 一种相性光变防伪元件 |
| DE102021001589A1 (de) * | 2021-03-25 | 2022-09-29 | Giesecke+Devrient Currency Technology Gmbh | Herstellungsverfahren für ein optisch variables Sicherheitselement |
| TW202528492A (zh) | 2023-08-24 | 2025-07-16 | 瑞士商西克帕控股有限公司 | 包含磁性或可磁化顏料顆粒之uv-vis輻射可固化塗料組成物及用於製造光學效應層之方法 |
| TW202532144A (zh) | 2023-12-20 | 2025-08-16 | 瑞士商西克帕控股有限公司 | 用於產生光學效應層的製程 |
| TW202532145A (zh) | 2023-12-20 | 2025-08-16 | 瑞士商西克帕控股有限公司 | 用於產生光學效應層的製程 |
| TW202541920A (zh) | 2023-12-20 | 2025-11-01 | 瑞士商西克帕控股有限公司 | 用於產生光學效應層的製程 |
| EP4338854A3 (de) | 2023-12-20 | 2024-12-25 | Sicpa Holding SA | Verfahren zur herstellung von schichten mit optischen effekten |
| WO2025181133A1 (en) | 2024-02-27 | 2025-09-04 | Sicpa Holding Sa | Processes for producing optical effects layers |
| WO2025228771A1 (en) | 2024-04-30 | 2025-11-06 | Sicpa Holding Sa | Processes for producing optical effect layers |
| WO2025233239A1 (en) | 2024-05-08 | 2025-11-13 | Sicpa Holding Sa | Processes for producing optical effect layers |
| WO2025242568A1 (en) | 2024-05-22 | 2025-11-27 | Sicpa Holding Sa | Apparatuses and processes for producing optical effects layers |
| WO2025242569A1 (en) | 2024-05-22 | 2025-11-27 | Sicpa Holding Sa | Apparatuses and processes for producing optical effects layers |
| WO2025261967A1 (en) | 2024-06-20 | 2025-12-26 | Sicpa Holding Sa | Processes for producing optical effect layers |
| WO2026052662A1 (en) | 2024-09-06 | 2026-03-12 | Sicpa Holding Sa | Magnetic devices, magnetic apparatuses and processes for producing optical effect layers comprising oriented non-spherical magnetic or magnetizable pigment particles |
| WO2026082735A1 (en) | 2024-10-15 | 2026-04-23 | Sicpa Holding Sa | Processes for producing optical effect layers |
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| DE102010035313A1 (de) | 2010-08-25 | 2012-03-01 | Giesecke & Devrient Gmbh | Sicherheitselement mit ausgerichteten Magnetpigmenten |
| CN103119521B (zh) | 2010-09-24 | 2015-09-23 | 锡克拜控股有限公司 | 用于产生磁感应视觉效果的设备、系统和方法 |
| CN102529326B (zh) | 2011-12-02 | 2014-08-06 | 惠州市华阳光学技术有限公司 | 磁性颜料印刷品的磁定向装置、制造装置及制造方法 |
| WO2014108303A1 (en) | 2013-01-09 | 2014-07-17 | Sicpa Holding Sa | Optical effect layers showing a viewing angle dependent optical effect, processes and devices for their production, items carrying an optical effect layer, and uses thereof |
| AR094362A1 (es) * | 2013-01-09 | 2015-07-29 | Sicpa Holding Sa | Capas de efectos ópticos que muestran un efecto óptico que depende del ángulo de visión; procesos y dispositivos para la producción de esas capas, artículos que llevan una capa de efectos ópticos y usos de esas capas |
| AU2014280095A1 (en) * | 2013-06-14 | 2015-12-17 | Sicpa Holding Sa | Permanent magnet assemblies for generating concave field lines and process for creating optical effect coating therewith (inverse rolling bar) |
| ES2755151T3 (es) | 2013-12-04 | 2020-04-21 | Sicpa Holding Sa | Dispositivos para producir capas de efecto óptico |
| WO2015086257A1 (en) | 2013-12-13 | 2015-06-18 | Sicpa Holding Sa | Processes for producing effects layers |
| ES2676049T3 (es) | 2014-08-22 | 2018-07-16 | Sicpa Holding Sa | Aparatos y métodos para producir capas de efectos ópticos |
| KR102316915B1 (ko) | 2016-07-29 | 2021-10-27 | 시크파 홀딩 에스에이 | 광학 효과층 제조 방법 |
| US11292027B2 (en) | 2016-08-16 | 2022-04-05 | Sicpa Holding Sa | Processes for producing effect layers |
| TWI794359B (zh) | 2018-01-17 | 2023-03-01 | 瑞士商西克帕控股有限公司 | 用於生產光學效應層之製程 |
-
2018
- 2018-06-05 DE DE102018004433.6A patent/DE102018004433A1/de not_active Withdrawn
-
2019
- 2019-05-28 CN CN201980028867.9A patent/CN112055662B/zh active Active
- 2019-05-28 EP EP19729440.8A patent/EP3802141B1/de active Active
- 2019-05-28 US US15/734,923 patent/US11602949B2/en active Active
- 2019-05-28 WO PCT/EP2019/000171 patent/WO2019233624A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US20210229484A1 (en) | 2021-07-29 |
| CN112055662A (zh) | 2020-12-08 |
| WO2019233624A1 (de) | 2019-12-12 |
| EP3802141B1 (de) | 2023-03-29 |
| DE102018004433A1 (de) | 2019-12-05 |
| CN112055662B (zh) | 2022-04-05 |
| US11602949B2 (en) | 2023-03-14 |
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