EP2985154A1 - Layered article on a paper or polymer base (variants) and method for manufacturing same - Google Patents
Layered article on a paper or polymer base (variants) and method for manufacturing same Download PDFInfo
- Publication number
- EP2985154A1 EP2985154A1 EP14783456.8A EP14783456A EP2985154A1 EP 2985154 A1 EP2985154 A1 EP 2985154A1 EP 14783456 A EP14783456 A EP 14783456A EP 2985154 A1 EP2985154 A1 EP 2985154A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- screen
- printed
- substrate
- data carrier
- dimensional
- 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
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 229920000642 polymer Polymers 0.000 title 1
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 238000007639 printing Methods 0.000 claims abstract description 24
- 230000001154 acute effect Effects 0.000 claims abstract description 18
- 229920000307 polymer substrate Polymers 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000976 ink Substances 0.000 claims description 3
- 238000004049 embossing Methods 0.000 claims description 2
- 230000001747 exhibiting effect Effects 0.000 claims description 2
- 238000007645 offset printing Methods 0.000 claims description 2
- 238000007650 screen-printing Methods 0.000 claims description 2
- 238000012795 verification Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000004040 coloring Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Images
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
- B42D25/342—Moiré effects
-
- 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
- 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
- B42D25/40—Manufacture
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Printing Methods (AREA)
- Credit Cards Or The Like (AREA)
Abstract
Description
- The invention relates to the manufacture of a security paper with hidden layered elements, in particular, such as hidden security elements, i.e., those detectable or becoming apparent only with the use of special verification or methods or devices for intervention, that is, to a security paper. The invention can be used in the manufacture of banknotes, securities, passports, tax stamps, identification documents.
- A technical solution is known from
RU 2440248 C1 of 03.08.2010 - Known in the prior art is a data carrier with an optically variable structure (
CA 1019012 A , B32B 29/02, 11.10.1997) formed by a printed screen with equally spaced straight elements and a three-dimensional screen with equally spaced straight elements, the three-dimensional screen being arranged relative to the printed screen such that all printed information is visible when the data carrier is viewed perpendicular to the surface, but only a part that is not covered by the three-dimensional screen is visible when the data carrier is viewed at an acute angle. - A data carrier is known from
RU 2235021 C2, 27.08.2004 - An objective of the invention is to enhance the security of products by obtaining an optically variable effect on the reverse side of the product, and also to improve the technological effectiveness and to reduce the cost of the security element owing to the reduction of passes in a printing machine.
- The objective is attained by a method and features set forth in independent claims.
- According to a first embodiment the objective is attained by a layered product on a paper or polymer substrate with an optically variable structure verifying the authenticity of the product, comprising a coating in the form of a printed screen, and a three-dimensional screen, characterized in that the coating is formed on one side of the substrate, and the three-dimensional screen is applied onto the other side of the substrate, the field of the printed or three-dimensional screen is divided into two or more sectors shifted relative to each other, each sector being coloured in its own color such that, when changing a viewing angle, the color of the sectors in an image changes, wherein the three-dimensional screen is made in the form of elements with a symmetrical and/or asymmetrical profile to form a relief on the both sides of the substrate, and is so arranged in respect to the printed screen that the three-dimensional screen is at least partially located above the printed screen, wherein the width of lines of the printed screen is from 50 to 200 µm, the width of lines of the three-dimensional screen is from 100 to 600 µm, the angle between the elements of the printed and three-dimensional screens is from 0° to 10°, and the screens form a moire image which is hidden, when the data carrier is viewed at a right angle, and becomes visible when the data carrier is viewed at an acute angle.
- Furthermore, the printed and three-dimensional screens are formed by polygonal or curved lines, and/or dots, and/or dashes, and/or graphic primitives, and/or a combination thereof; an additional information is introduced into the printed screen, said information being visible when viewed at any angle,
or a hidden information is introduced into the printed screen, said information being visible when viewed at an acute angle,
or a hidden information formed by inks with special properties is introduced into the printed screen, said information being visible with the aid of special instruments,
or a hidden information is introduced into the three-dimensional screen, said information being visible when viewed at an acute angle. - According to a second embodiment, the objective is attained by a layered product on a paper or polymer substrate with an optically variable structure verifying the authenticity of the product, comprising a coating in the form of a printed screen, and a three-dimensional screen, characterized in that the printed screen is applied onto both sides of the substrate, and the three-dimensional screen is applied onto one side of the substrate, wherein the three-dimensional screen is made in the form of elements with a symmetrical and/or asymmetrical profile to form a relief on the both sides of the substrate, and is so arranged in respect to the printed screen that the three-dimensional screen is at least partially located above the printed screen; wherein the width of lines, the distance between lines of the printed and three-dimensional screens and the mutual orientation of the screens are selected such that they form a moire image which is hidden, when the data carrier is viewed at a right angle, and becomes visible, when the data carrier is viewed at an acute angle, wherein the elements of the printed screen applied to the different sides of the substrate match up in transmitted light, thereby forming an additional security element verifiable in transmitted light, and the moire images visible on the front and reverse sides of the data carrier, when the data carrier is viewed at an acute angle, are identical;
or the moire images visible on the front and reverse sides of the data carrier, when the data carrier is viewed at an acute angle, are different;
or the moire images visible on the front and reverse sides of the data carrier, when the data carrier is viewed at an acute angle, form a moire pattern on one side and a color changing effect on the other side;
or the image obtained on the front side of the carrier has an effect of motion, while the image obtained on the reverse side forms a moire pattern and/or a colour changing effect. - The objective is also attained by a method for manufacturing a layered product on a paper or polymer substrate as described before, said method including applying onto at least one portion of the substrate graphic elements in the form of a printed screen, followed by applying a three-dimensional screen, wherein according to the invention the printed screen is applied by a printing method onto one side of the substrate, and the three-dimensional screen is applied onto the other side of the substrate, wherein a pressure on the substrate when applying the three-dimensional screen being such that it results in formation of a back relief, and the mutual arrangement of the screens is selected in such manner that they form an image exhibiting an optically variable effect;
the printed screen is applied onto the both sides of the substrate;
or the three-dimensional screen is applied by colorless scratch-off embossing, or multicolor scratch-off printing, or relief stamping;
or the printed screen is applied by a method of stencil screen printing, or scratch-off printing, or offset printing, or intaglio printing, or offset-like printing, or jet printing, or flexographic printing, or electrophotographic printing, or a combination of the methods. -
-
Fig. 1 shows a structure of a data carrier when manufactured by using a three-dimensional screen with a symmetric profile. -
Fig. 2 shows an arrangement of graphical elements of the three-dimensional screen. -
Figs. 3 and4 show a scheme of obtaining an image when the data carrier is viewed at different angles of inclination. -
Fig. 5 shows a structure of a data carrier when manufactured by using a three-dimensional screen with an asymmetric profile. -
Fig. 6 shows an arrangement of graphical elements of the three-dimensional screen. -
Fig. 7 and 8 show a scheme of obtaining an image when the data carrier is viewed at different angles of inclination. -
Fig. 9 shows a structure of a data carrier manufactured according to the second embodiment by using a three-dimensional screen of a symmetrical profile. -
Fig. 10 shows a structure of a data carrier manufactured according to the second embodiment by using a three-dimensional screen of an asymmetric profile. -
Figs. 11 ,12 show a scheme of obtaining an image when the data carrier manufactured according to the second embodiment is viewed at different angles of inclination, and also a principal location of an additional pattern. -
Figs. 13 and 14 show a scheme of obtaining an image when the data carrier manufactured according to the second embodiment is viewed at different angles of inclination, and a principal location of an additional pattern. -
Fig. 15 shows a scheme of obtaining an image when the data carrier manufactured according to the second embodiment is viewed in transmitted light. -
Figs. 16 and17 show an arrangement of printed screens of a front and a reverse sides. -
Fig. 18 shows a scheme of obtaining an image when the data carrier is viewed in transmitted light. - Designations of reference numerals in the drawings:
- 1 - a portion of a substrate of a data carrier
- 2 - graphical elements of a printed screen
- 3 - elements of a three-dimensional screen
- 4 - an additional pattern.
- The present technical solution is implemented as follows. A printed screen is applied onto a paper or polymer substrate of a carrier on one or both sides to at least one portion. In a particular case, special inks luminescent when exposed to a UV radiation, creating a similar visual effect when the data carrier is viewed at an angle under the UV radiation, are used for making the printed screen.
- Then a three-dimensional screen is applied onto one of the sides of the substrate of the data carrier, wherein, if the printed screen is applied onto only one side of the substrate, the three-dimensional screen is applied onto the other side. In the process of applying the three-dimensional screen, a pressure on the substrate is selected such that a back relief is formed. As a result, the following options of the data carrier have been produced.
- The invention can be used for protection against counterfeit of printing products (also called as graphic products or printed products), such as securities (value documents), banknotes, identity certificates (identification documents), both on a paper and polymer substrate.
- A counterfeit-proof data carrier (
Fig. 1 ) comprises at least one portion 1 onto one side of which graphic elements of a printedscreen 2 are applied and onto the other side of which a three-dimensional screen 3 is applied at an angle relative to lines of the printed screen (Fig. 2 ) by a method of relief stamping or scratch-off printing with a symmetrical profile of the stroke. - When the data carrier is viewed in reflected light at a right angle, a uniformly colored field is observed (
Fig. 3 ), but when the data carrier is viewed at an acute angle, the appearance of a moire pattern is observed (Fig. 4 ). - A data carrier (
Fig. 5 ) comprises at least oneportion 4 onto one side of which graphic elements of a printed screen 5 are applied and onto the other side a three-dimensional screen 6 is applied at a very small or zero angle relative to lines of the printed screen (Fig. 6 ) by a method of relief stamping or scratch-off printing with a symmetrical profile of the stroke. - When the data carrier is viewed in reflected light at a right angle, a uniformly colored field is observed (
Fig. 3 ), but when the data carrier is viewed at an acute angle, coloring of sectors of the element to different colors is observed (Fig. 7 ), and colors of the sectors change when changing the viewing angle (Fig. 8 ). - A data carrier manufactured according to the second embodiment (
Figs. 9, 10 ) comprises at least one portion 7, 10 onto both sides of which graphical elements of a printed screen 8, 11 are applied and onto one side of which a three-dimensional screen 9, 12 is applied by a method of relief stamping or scratch-off printing with a symmetrical profile of the stroke. - As can be seen (
Figs. 11 to 14 ), when the data carrier is viewed in reflected light from the front/reverse side at different angles, regions of the data carrier are colored in a different color, wherein a pattern which forms an image when the data carrier is viewed in transmitted light (Fig. 15 ), is applied near lines of the printed screen. - A data carrier manufactured according to the second embodiment, having printed screens and three-dimensional screens (
Figs. 9, 10 ) applied thereto on the front and reverse side of the product (Figs. 16, 17 ), being arranged such that, when the data carrier is viewed in transmitted light, they form an interrelated image (Fig. 18 ). - Therefore, the data carrier proposed in the invention allows an optically variable effect to be obtained. An information displayed on the surface of the portion is hidden when viewed at a right angle and is visualized when changing the viewing angle. This allows performing both a machine-readable authenticity verification and visual inspection of the carrier.
- An advantage of the proposed method for manufacturing a counterfeit-proof data carrier consists in improving technological effectiveness of the process owing to the omission of additional operations, in particular reverse scratch-off printing, which leads to a decrease in the cost of the counterfeit-proof data carrier. The application of graphic elements by using conventional printing methods does not require extra processing operations and additional pieces of equipment.
- The invention is applicable in the field of production of banknotes, securities, passports, tax stamps, identification documents on a security paper with hidden layered elements detectable or becoming apparent only when using special verification or methods or devices for intervention.
Claims (15)
- A layered product on a paper or polymer substrate with an optically variable structure verifying the authenticity of the product, comprising a coating in the form of a printed screen, and a three-dimensional screen, characterized in that the coating is formed on one side of the substrate, and the three-dimensional screen is applied onto the other side of the substrate, the field of the printed or three-dimensional screen is divided into two or more sectors shifted relative to each other, each sector being coloured in its own color such that, when changing a viewing angle, the color of the sectors in an image changes, wherein the three-dimensional screen is made in the form of elements with a symmetrical and/or asymmetrical profile to form a relief on the both sides of the substrate, and is so arranged in respect to the printed screen that the three-dimensional screen is at least partially located above the printed screen, wherein the width of lines of the printed screen is from 50 to 200 µm, the width of lines of the three-dimensional screen is from 100 to 600 µm, the angle between the elements of the printed and three-dimensional screens is from 0° to 10°, wherein the screens form a moire image which is hidden, when the data carrier is viewed at a right angle, and becomes visible when the data carrier is viewed at an acute angle.
- A product according to claim 1, characterized in that the printed and three-dimensional screens are formed by polygonal or curved lines, and/or dots, and/or dashes, and/or graphic primitives, and/or a combination thereof.
- A product according to claim 1 or claim 2, characterized in that an additional information is introduced into the printed screen, said information being visible when viewed at any angle.
- A product according to claim 1 or claim 2, characterized in that a hidden information is introduced into the printed screen, said information being visible when viewed at an acute angle.
- A product according to claim 3, characterized in that a hidden information formed by inks with special properties is introduced into the printed screen, said information being visible with the aid of special instruments.
- A product according to claim 1 or claim 2, characterized in that a hidden information is introduced into the three-dimensional screen, said information being visible when viewed at an acute angle.
- A layered product on a paper or polymer substrate with an optically variable structure verifying the authenticity of the product, comprising a coating in the form of a printed screen, and a three-dimensional screen, characterized in that the printed screen is applied onto both sides of the substrate, and the three-dimensional screen is applied onto one side of the substrate, wherein the three-dimensional screen is made in the form of elements with a symmetrical and/or asymmetrical profile to form a relief on the both sides of the substrate, and is so arranged in respect to the printed screen that the three-dimensional screen is at least partially located above the printed screen, wherein the width of lines, the distance between lines of the printed and three-dimensional screens and the mutual orientation of the screens are selected such that they form a moire image which is hidden, when the data carrier is viewed at a right angle, and becomes visible, when the data carrier is viewed at an acute angle, wherein the elements of the printed screen applied onto the different sides of the substrate match up in transmitted light, thereby forming an additional security element verifiable in transmitted light.
- A product according to claim 7, characterized in that the moire images visible on the front and reverse sides of the data carrier, when the data carrier is viewed at an acute angle, are identical.
- A product according to claim 7, characterized in that the moire images visible on the front and reverse sides of the data carrier, when the data carrier is viewed at an acute angle, are different.
- A product according to claim 9, characterized in that the moire images visible on the front and reverse sides of the data carrier, when the data carrier is viewed at an acute angle, form a moire pattern on one side and a colour changing effect on the other side.
- A product according to claim 10, characterized in that the image obtained on the front side of the carrier has an effect of motion, while the image obtained on the reverse side forms a moire pattern and/or a colour changing effect.
- A method for manufacturing a layered product on a paper or polymer substrate according to claims 1 to 11, said method including applying onto at least one portion of the substrate graphic elements in the form of a printed screen, followed by applying a three-dimensional screen, characterized in that the printed screen is applied by a printing method onto one side of the substrate, and the three-dimensional screen is applied onto the other side of the substrate, wherein a pressure on the substrate when applying the three-dimensional screen is such that it results in formation of a back relief, and the mutual arrangement of the screens is selected in such manner that they form an image exhibiting an optically variable effect.
- A method according to claim 12, characterized in that the printed screen is applied onto the both sides of the substrate.
- A method according to claim 12 or claim 13, characterized in that the three-dimensional screen is applied by colorless scratch-off embossing, or multicolor scratch-off printing, or relief stamping.
- A method according to claim 14, characterized in that the printed screen is applied by a method of stencil screen printing, or scratch-off printing, or offset printing, or intaglio printing, or offset-like printing, or jet printing, or flexographic printing, or electrophotographic printing, or a combination of the methods.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2013115820/12A RU2516474C1 (en) | 2013-04-09 | 2013-04-09 | Laminated article on paper or polymer substrate (versions) and method of its manufacturing |
PCT/RU2014/000244 WO2014168515A1 (en) | 2013-04-09 | 2014-04-03 | Layered article on a paper or polymer base (variants) and method for manufacturing same |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2985154A1 true EP2985154A1 (en) | 2016-02-17 |
EP2985154A4 EP2985154A4 (en) | 2017-05-17 |
EP2985154B1 EP2985154B1 (en) | 2019-06-12 |
Family
ID=50778959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14783456.8A Active EP2985154B1 (en) | 2013-04-09 | 2014-04-03 | Layered article on a paper or polymer base (variants) and method for manufacturing same |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2985154B1 (en) |
CN (1) | CN105073440B (en) |
RU (1) | RU2516474C1 (en) |
WO (1) | WO2014168515A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3124285B1 (en) | 2015-07-27 | 2020-06-17 | Giesecke+Devrient Currency Technology GmbH | Embossing tool for producing a security element with an optically variable structure |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1019012A (en) * | 1975-03-24 | 1977-10-11 | Canadian Bank Note Company | Coloured transitory images in printed articles |
DE3602563C1 (en) * | 1986-01-29 | 1987-04-16 | Deutsche Bundesbank | Security paper with optically active structures generating a moiré effect |
DE4002979A1 (en) * | 1990-02-01 | 1991-08-08 | Gao Ges Automation Org | Banknote with optically variable security elements - are transformed and pressed onto smooth surface to form hologram or relief pattern |
JP2615401B2 (en) * | 1992-06-04 | 1997-05-28 | 大蔵省印刷局長 | Anti-counterfeit latent image pattern forming body and method of manufacturing the same |
DE19541064A1 (en) * | 1995-11-03 | 1997-05-07 | Giesecke & Devrient Gmbh | Data carrier with an optically variable element |
DE10044465A1 (en) * | 2000-09-08 | 2002-03-21 | Giesecke & Devrient Gmbh | Data carrier with an optically variable element |
RU2235021C2 (en) * | 2002-09-10 | 2004-08-27 | Научно-исследовательский институт Гознака | Data carrier with optically variable structure |
US7751608B2 (en) * | 2004-06-30 | 2010-07-06 | Ecole Polytechnique Federale De Lausanne (Epfl) | Model-based synthesis of band moire images for authenticating security documents and valuable products |
CN1297414C (en) * | 2003-11-27 | 2007-01-31 | 中国印钞造币总公司 | Method for forming anti-counterfeit mark using non-key reproduced Moire image coding |
DE102006016342A1 (en) * | 2006-04-05 | 2007-10-11 | Giesecke & Devrient Gmbh | security element |
EP1880866A1 (en) * | 2006-07-19 | 2008-01-23 | Sicpa Holding S.A. | Oriented image coating on transparent substrate |
DE102009004128A1 (en) * | 2009-01-05 | 2010-07-08 | Giesecke & Devrient Gmbh | Security element with optically variable structure |
DE102009040975A1 (en) * | 2009-09-11 | 2011-03-24 | Ovd Kinegram Ag | Multi-layer body |
RU2440248C1 (en) * | 2010-08-03 | 2012-01-20 | Федеральное Государственное Унитарное Предприятие "Гознак" (Фгуп "Гознак") | Data medium with optically variable structure (versions) |
-
2013
- 2013-04-09 RU RU2013115820/12A patent/RU2516474C1/en active
-
2014
- 2014-04-03 EP EP14783456.8A patent/EP2985154B1/en active Active
- 2014-04-03 CN CN201480019748.4A patent/CN105073440B/en active Active
- 2014-04-03 WO PCT/RU2014/000244 patent/WO2014168515A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2014168515A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3124285B1 (en) | 2015-07-27 | 2020-06-17 | Giesecke+Devrient Currency Technology GmbH | Embossing tool for producing a security element with an optically variable structure |
Also Published As
Publication number | Publication date |
---|---|
CN105073440A (en) | 2015-11-18 |
WO2014168515A1 (en) | 2014-10-16 |
EP2985154A4 (en) | 2017-05-17 |
RU2516474C1 (en) | 2014-05-20 |
CN105073440B (en) | 2017-06-06 |
EP2985154B1 (en) | 2019-06-12 |
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