CN108407482B - Method for preparing personalized dynamic anti-counterfeiting element - Google Patents
Method for preparing personalized dynamic anti-counterfeiting element Download PDFInfo
- Publication number
- CN108407482B CN108407482B CN201810239554.5A CN201810239554A CN108407482B CN 108407482 B CN108407482 B CN 108407482B CN 201810239554 A CN201810239554 A CN 201810239554A CN 108407482 B CN108407482 B CN 108407482B
- Authority
- CN
- China
- Prior art keywords
- positioning
- magnetic
- magnet
- counterfeiting
- personalized
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
Landscapes
- Printing Methods (AREA)
Abstract
The invention discloses a preparation method of a personalized dynamic anti-counterfeiting element, which comprises the following steps: (1) printing anti-counterfeiting ink on a printing substrate to obtain a printed product printed with the anti-counterfeiting ink on the printing substrate; (2) the printing product is sent into an instant magnetic positioning unit to be subjected to personalized magnetic positioning, then the printing product enters an UV curing unit, a magnetic material is fixed in an ink film, and then the personalized dynamic anti-counterfeiting element can be obtained, wherein the instant magnetic positioning unit comprises a carrier and more than one positioning magnet loaded on the carrier, (3) the position of the magnet on the carrier or the magnetic field intensity of the positioning magnet is changed, and the steps (1) and (2) are repeated to obtain the personalized dynamic anti-counterfeiting element with different effects from the previous time. The invention realizes individuation of dynamic anti-counterfeiting characteristics, improves the anti-counterfeiting level of the dynamic anti-counterfeiting characteristics, and has the high-level digital anti-counterfeiting characteristic.
Description
Technical Field
The invention relates to a preparation method of a personalized dynamic anti-counterfeiting element.
Background
As an interference optical color-changing anti-counterfeiting feature for public anti-counterfeiting, the application in the fields of securities, certificates, bills, bank notes and the like is relatively extensive at present, wherein the independent application of pearlescence, liquid crystal and optically variable pigment and the composite application of other anti-counterfeiting means are taken as main means.
With the progress of the technology and the demand of the anti-counterfeiting market, the optical color-changing anti-counterfeiting technology has evolved from the original simple color changing along with the angle to the effect of combining the angle color changing with the dynamic change of light and shade, and the magnetic light changing is also called as the anti-counterfeiting technology of the light changing.
At present, the magnetic pearlescent pigment is applied to banknotes in many countries, and the magnetic pearlescent and magnetic liquid crystal technologies similar to the anti-counterfeiting effect are developed, particularly, the magnetic pearlescent material is rapidly developed in recent years, and the magnetic pearlescent pigment of Merck company is in the leading position in the field.
Although the effect of the magnetic pearl luster in China is different from that of the magnetic pearl luster in China, the effect of the magnetic pearl luster is greatly improved along with the urgent needs of markets such as cosmetics and the like, the application range is expanded, the supply of the high-end magnetic optically variable pigment is basically unique to Flex companies, the high-end magnetic optically variable pigment is influenced by factors such as patent protection and the like, similar products are developed in the domestic companies in recent years, and the effect of the magnetic pearl luster is still different from that of the Flex companies. Magnetic positioning methods and means related to the magnetic color-changing pigment tend to be diversified along with the market demands.
Patent CN201410822391.5 discloses a UV-cured magnetic pearl silk screen printing ink and a preparation method thereof, the printing ink is suitable for lithographic plate and rotary silk screen printing modes, has excellent pearl effect after being subjected to silk screen printing and magnetic positioning, can generate obvious light and shade rolling effect along with the change of angles, and mentions that the magnetic pearl silk screen printing ink can be used in high-end anti-counterfeiting fields such as identification card tickets and the like, and the content disclosed by the patent is mainly formed by the printing ink.
Patent CN20140621253.0 discloses a ring-shaped directional printing device and method for magnetic ink, the disclosed device includes a supporting body, a magnetic ink layer and a directional magnet, the magnetic ink layer is disposed on the upper surface of the supporting body, the top of the directional magnet is disposed on the lower surface of the supporting body, the set magnetic positioning pattern shape is realized by the shape and mutual layout of the magnet, but the magnetic positioning pattern that the device can realize is fixed.
Patent CN201410204218.9 discloses a printing apparatus with variable pattern magnetic orientation device, which comprises a conveying device, a printing device, a magnetic orientation device, and a curing device, wherein the disclosed magnetic orientation device comprises electromagnets with opposite magnetic poles and arranged up and down, the magnetic field intensity of the electromagnets can be adjusted at will, and the magnetic field conversion can be completed instantly.
Disclosure of Invention
The invention aims to disclose a preparation method of a personalized dynamic anti-counterfeiting element, which is used for meeting the application in the related field.
The preparation method of the personalized dynamic anti-counterfeiting element comprises the following steps:
(1) printing anti-counterfeiting ink on a printing substrate to obtain a printed product printed with the anti-counterfeiting ink on the printing substrate;
the anti-counterfeiting ink comprises magnetic optically variable ink, magnetic pearlescent ink, magnetic liquid crystal ink and the like, wherein the magnetic material or the magnetic liquid crystal ink contains one or the combination of magnetic materials and magnetic material flake pigments, and the anti-counterfeiting ink is selected from free radical UV curing system ink, cation UV curing system ink, free radical/cation dual curing mechanism system ink or EB radiation curing system ink;
the printing method comprises a rotary screen printing mode, a planographic screen printing mode or a gravure printing mode;
the magnetic optically variable ink, the magnetic pearlescent ink, the magnetic liquid crystal ink and the like are all known ink in the field;
(2) then sending the product of the step (1) into an instant magnetic positioning unit, carrying out personalized magnetic positioning on the magnetic material or magnetizable material arrangement in the anti-counterfeiting ink in the printing product of the step (1), then entering a UV curing unit, and fixing the magnetic material in an ink film to obtain the personalized dynamic anti-counterfeiting element;
the instant magnetic positioning unit comprises a carrier and more than one positioning magnet loaded on the carrier;
(3) changing the position of the magnet on the carrier or positioning the magnetic field intensity of the magnet, and repeating the step (1) and the step (2) to obtain the personalized dynamic anti-counterfeiting element with different effects from the previous time;
the personalized dynamic anti-counterfeiting element is as follows: the printed matter has a dynamic color change effect when changing along with the observation angle, and each printed matter has a personalized printed matter with magnetic positioning patterns;
the instant magnetic positioning unit comprises a carrier and one or more positioning magnets loaded on the carrier;
the carrier is in a flat plate shape or a cylindrical shape, and the material is selected from nonmagnetic high polymer material, nonmagnetic metal material, polymer material which can not be magnetized and metal material which can not be magnetized;
the positioning magnet is a permanent magnet or an electromagnet;
the invention has the beneficial effects that:
the dynamic anti-counterfeiting characteristics of the anti-counterfeiting elements are realized, meanwhile, the dynamic anti-counterfeiting characteristics are personalized, the unique dynamic anti-counterfeiting characteristics of each anti-counterfeiting element are endowed with a display effect, the anti-counterfeiting level of the dynamic anti-counterfeiting characteristics is further improved, the dynamic anti-counterfeiting characteristics are further in correspondence with the original personalized codes and the like on the products applying the anti-counterfeiting characteristics or are in correspondence with the original personalized codes and the like through tight operation through the personalized characteristics endowed by the dynamic anti-counterfeiting characteristics, the overall anti-counterfeiting effect of the products is improved, and meanwhile, the dynamic anti-counterfeiting characteristics have high-level digital anti-counterfeiting characteristics.
Drawings
FIG. 1 is a flow chart.
Fig. 2 is a schematic structural diagram of two permanent magnets when the relative positions of the two permanent magnets are changed.
Fig. 3 is a schematic diagram of personalized dynamic anti-counterfeiting elements of different shapes obtained by covering the instant magnetic positioning unit in fig. 2 on a printed product bearing anti-counterfeiting ink for magnetic positioning and UV curing.
Fig. 4 is a schematic structural diagram of the instant magnetic positioning unit when three independent magnet arrays of positioning magnets are formed.
Detailed Description
Referring to fig. 1, the preparation method of the personalized dynamic anti-counterfeiting element includes the following steps:
(1) printing anti-counterfeiting ink on a printing substrate 1 to obtain a printed product 2 printed with the anti-counterfeiting ink on the printing substrate;
(2) then the printed product 2 in the step (1) is sent into an instant magnetic positioning unit 3, personalized magnetic positioning is carried out on the magnetic material or the arrangement of the magnetizable material in the anti-counterfeiting ink in the printed product 2 in the step (1), then the printed product enters a UV curing unit 4, and the magnetic material is fixed in an ink film, so that the personalized dynamic anti-counterfeiting element can be obtained;
as shown in fig. 2, the instant magnetic positioning unit 3 includes a carrier 301 and more than one positioning magnet 302 loaded on the carrier 301;
(3) changing the position of the magnet on the carrier or positioning the magnetic field intensity of the magnet, and repeating the step (1) and the step (2) to obtain the personalized dynamic anti-counterfeiting element with different effects from the previous time;
the carrier 301 is in a flat plate shape or a cylindrical shape, and the material is selected from a nonmagnetic high polymer material, a nonmagnetic metal material, a polymer material which cannot be magnetized and a metal material which cannot be magnetized;
the positioning magnet 302 is a permanent magnet or an electromagnet;
fig. 2A, 2B, and 2C are schematic diagrams of three different arrangements of positioning magnets 302, respectively.
FIGS. 3A, 3B and 3C are personalized dynamic security elements obtained by using the instant magnetic positioning unit of FIG. 2, respectively;
preferably, as shown in fig. 4, the positioning magnets 302 form more than one independent positioning magnet array 303 on the carrier 301;
when the number of the positioning magnets 302 is one, the method for magnetically positioning the arrangement of the magnetic material in the anti-counterfeiting ink comprises the following steps:
after each printing period is finished, independently changing the position of the positioning magnet on the carrier 301 or the magnetic field intensity of the positioning magnet, or simultaneously changing the position of the positioning magnet 302 on the carrier and the magnetic field intensity of the positioning magnet, wherein the positioning magnet forms a magnetic field which changes instantly, and the distribution of magnetic lines of the magnetic field changes instantly, so that the magnetic material in the anti-counterfeiting ink forms an individualized magnetic positioning pattern;
the position of the positioning magnet is changed, including changing the distance between the magnet and the printed product in the module, the angle in the plane parallel to the printed product plane and the angle in the plane perpendicular to the printed product;
the method for changing the magnetic field intensity of the positioning magnet is easy, and for the electromagnet, the current intensity is changed, and for the permanent magnet, the permanent magnet with different magnetic field intensity is replaced;
when the number of the positioning magnets is more than two, the method for magnetically positioning the arrangement of the magnetic materials in the anti-counterfeiting ink comprises the following steps:
after each printing period is finished, the relative position of any positioning magnet 302 on the carrier 301 or the magnetic field strength of the positioning magnet or the combination mode of the magnetic field strength of the positioning magnet is changed, the positioning magnet forms a magnetic field which changes instantly, and the distribution of the magnetic force lines of the magnetic field changes instantly, so that the magnetic material in the anti-counterfeiting ink forms an individualized magnetic positioning pattern;
when the positioning magnets form more than one independent magnet array 303 on the carrier 301, the method for magnetically positioning the arrangement of the magnetic materials in the anti-counterfeiting ink comprises the following steps:
when the anti-counterfeiting ink is a magnet array 303, after each printing period is finished, the number of the positioning magnets is changed, the relative position of any positioning magnet on the carrier is changed, or the magnetic field intensity of the positioning magnet or the combination of the positioning magnets is changed, the positioning magnets form a magnetic field which changes instantly, and the distribution of the magnetic lines of the magnetic field changes instantly, so that the magnetic material in the anti-counterfeiting ink forms an individualized magnetic positioning pattern;
when the number of the positioning magnets is two or more than two independent magnet arrays 303, after each printing period is finished, the number of the positioning magnets is changed, the relative position of any positioning magnet on the carrier or the magnetic field intensity of the positioning magnet or the combination of the positioning magnets is changed, or the relative position of one magnet array 303 and the other magnet arrays 303 is independently changed, so that the magnetic material in the anti-counterfeiting ink forms a personalized magnetic positioning pattern;
the personalized magnetic positioning pattern is a number, a character, a two-dimensional code or a bar code or a combination thereof;
when the number is the number, the number can be matched with the personalized number such as the original number on the printed product, and the function of self verification of the printed product is provided;
the digital combination has digital display significance, the digital combination is capitalized, lowercase Chinese characters, other national languages spelling digital words and Arabic digital combination, and the patterns with the digital display significance comprise but are not limited to clock pattern display time digital significance and seven-segment code digital display significance;
the personalized digits such as original numbers on the printed product are matched, including but not limited to direct digit matching, unit or multi-digit matching;
preferably, the personalized pattern realized by magnetic positioning is associated with the personalized characteristics such as the original number and the like on the printed product through a digital encryption algorithm, so that digital anti-counterfeiting is realized.
The personalized magnetic positioning pattern is a two-dimensional code or a bar code and can be used as a digital key to open digital connection or read pre-stored information.
Example 1
(1) Printing the anti-counterfeiting ink on a printing substrate to obtain a printed product bearing the anti-counterfeiting ink;
the anti-counterfeiting ink adopts magnetic pearl ink, such as UV curing anti-counterfeiting ink disclosed in the 201510119522.8 patent, and the printing method is a rotary silk screen;
(2) then entering an instant magnetic positioning unit, carrying out personalized magnetic positioning on the arrangement of the magnetic material in the anti-counterfeiting ink in the printed product, carrying out UV curing, and fixing the magnetic material in the ink film to obtain the personalized dynamic anti-counterfeiting element;
as shown in fig. 2, the instant magnetic positioning unit includes a carrier 301 and two positioning magnets loaded on the carrier 301, the carrier 301 is a flat plate, the positioning magnets are permanent magnets, and a circular area shown in fig. 3 is printed by the change of the positions of the two magnets, so as to realize three different magnetic positioning effects in fig. 3, obtain a personalized dynamic anti-counterfeiting element, which has a dynamic color change effect when changing with an observation angle, and each printed product has a personalized printed product of magnetic positioning patterns;
example 2
(1) Printing the anti-counterfeiting ink on a printing substrate to obtain a printed product bearing the anti-counterfeiting ink;
the anti-counterfeiting ink adopts magnetic liquid crystal ink, and the anti-counterfeiting material adopts magnetic liquid crystal material, such as magnetic liquid crystal pigment disclosed in the 201110449531.5 patent;
the printing method is a UV curing gravure printing mode;
(2) then entering an instant magnetic positioning unit, carrying out personalized magnetic positioning on the arrangement of the magnetic material in the anti-counterfeiting ink in the printed product, carrying out UV curing, and fixing the magnetic material in the ink film to obtain the personalized dynamic anti-counterfeiting element;
as shown in fig. 4, the instant magnetic positioning unit includes a carrier 301 and three independent magnet arrays loaded on the carrier 301 and formed by positioning magnets, wherein the carrier 301 is flat, and the positioning magnets are permanent magnets for magnetically positioning the arrangement of the magnetic materials in the anti-counterfeiting ink;
varying the number of positioning magnets or the magnetic field strength in the magnet array allows the display of different numbers between 0 and 999, which in this embodiment can be associated with the identification of the number on the print, for example the three digits after the number is the same as the personalized magnetic positioning pattern.
Changing the magnetic field strength of the positioning magnets therein can be achieved by one of controlling the current strength or adjusting the number of positioning magnets.
Claims (5)
1. The preparation method of the personalized dynamic anti-counterfeiting element is characterized by comprising the following steps:
(1) printing anti-counterfeiting ink on a printing substrate (1) to obtain a printed product (2) printed with the anti-counterfeiting ink on the printing substrate;
(2) then the printed product (2) in the step (1) is sent into an instant magnetic positioning unit (3), personalized magnetic positioning is carried out on the magnetic material or the arrangement of the magnetizable material in the anti-counterfeiting ink in the printed product (2) in the step (1), then the printed product enters a UV curing unit (4), and the magnetic material is fixed in an ink film, so that the personalized dynamic anti-counterfeiting element can be obtained;
the instant magnetic positioning unit (3) comprises a carrier (301) and more than one positioning magnet (302) loaded on the carrier (301); the positioning magnet is a permanent magnet or an electromagnet;
(3) changing the position of the magnet on the carrier or positioning the magnetic field intensity of the magnet, and repeating the step (1) and the step (2) to obtain the personalized dynamic anti-counterfeiting element with different effects from the previous time;
when the number of the positioning magnets (302) is one, in the step (2), the method for performing personalized magnetic positioning on the magnetic material or magnetizable material arrangement in the anti-counterfeiting ink comprises the following steps:
after each printing cycle is finished, independently changing the position of the positioning magnet on the carrier (301) or the magnetic field intensity of the positioning magnet, or simultaneously changing the position of the positioning magnet (302) on the carrier and the magnetic field intensity of the positioning magnet, so that the magnetic material in the anti-counterfeiting ink forms a personalized magnetic positioning pattern;
the position of the positioning magnet on the carrier (301) is changed, including changing the distance between the magnet and the printed product, the angle in a plane parallel to the plane of the printed product and the angle in a plane perpendicular to the printed product in the module;
when the number of the positioning magnets is more than two, in the step (2), the method for performing personalized magnetic positioning on the arrangement of the magnetic materials or the magnetizable materials in the anti-counterfeiting ink comprises the following steps:
after each printing period is finished, the relative position of any positioning magnet on the carrier or the magnetic field strength of the positioning magnet or the combination mode of the magnetic field strength and the combination mode are changed, the positioning magnet forms a magnetic field which changes instantly, and the distribution of the magnetic force lines of the magnetic field changes instantly, so that the magnetic material in the anti-counterfeiting ink forms an individualized magnetic positioning pattern;
the personalized magnetic positioning pattern is a number, a character, a two-dimensional code or a bar code or a combination thereof;
when the number is digital, the number can be matched with the original personalized number on the printed product, and the function of self verification of the printed product is provided;
the personalized pattern realized by magnetic positioning is associated with the original personalized characteristics on the printed matter by a digital encryption algorithm, so that digital anti-counterfeiting is realized.
2. The method according to claim 1, wherein the carrier has a plate shape or a cylindrical shape, and the material is selected from a nonmagnetic polymer material, a nonmagnetic metal material, a polymer material that cannot be magnetized, and a metal material that cannot be magnetized.
3. A method according to claim 1, characterized in that the positioning magnets (302) constitute more than one separate positioning magnet array (303) on the carrier (301).
4. A method according to claim 3, characterized in that when said positioning magnets form more than one individual magnet array (303) on said carrier (301), it comprises the steps of: when the anti-counterfeiting ink is a magnet array (303), after each printing period is finished, the number of the positioning magnets is changed, the relative position of any positioning magnet on the carrier is changed, or the magnetic field intensity of the positioning magnet or the combination of the positioning magnets is changed, the positioning magnets form a magnetic field which changes instantly, and the distribution of the magnetic lines of the magnetic field changes instantly, so that the magnetic material in the anti-counterfeiting ink forms an individualized magnetic positioning pattern;
when the number of the positioning magnets is more than two independent magnet arrays (303), after each printing period is finished, the number of the positioning magnets is changed, the relative position of any positioning magnet on the carrier or the magnetic field intensity of the positioning magnet or the combination of the positioning magnets is changed, or the relative position of one magnet array and the other magnet arrays is independently changed, so that the magnetic material in the anti-counterfeiting ink forms a personalized magnetic positioning pattern.
5. The method of claim 1, wherein the personalized magnetic positioning pattern is a two-dimensional code or a bar code that can be used as a digital key to open a digital connection or read pre-stored information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810239554.5A CN108407482B (en) | 2018-03-22 | 2018-03-22 | Method for preparing personalized dynamic anti-counterfeiting element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810239554.5A CN108407482B (en) | 2018-03-22 | 2018-03-22 | Method for preparing personalized dynamic anti-counterfeiting element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108407482A CN108407482A (en) | 2018-08-17 |
| CN108407482B true CN108407482B (en) | 2020-12-01 |
Family
ID=63133228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810239554.5A Active CN108407482B (en) | 2018-03-22 | 2018-03-22 | Method for preparing personalized dynamic anti-counterfeiting element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108407482B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111251739A (en) * | 2018-12-29 | 2020-06-09 | 任磊 | Security device with variable-coding information |
| CN110949029A (en) * | 2019-12-04 | 2020-04-03 | 云南侨通包装印刷有限公司 | Method for manufacturing layered magnetic light and color diffusion effect |
| CN112497952B (en) * | 2020-11-13 | 2022-04-15 | 中钞特种防伪科技有限公司 | Magnetic anti-counterfeiting element and magnetic anti-counterfeiting product |
| CN112976869A (en) * | 2021-03-17 | 2021-06-18 | 中钞印制技术研究院有限公司 | Anti-counterfeiting element, manufacturing method and device, manufacturing method of magnetic ink and medium |
| CN114454638B (en) * | 2022-01-05 | 2024-04-12 | 中钞印制技术研究院有限公司 | Optically variable magnetic ink printing product, manufacturing method and manufacturing equipment thereof |
| CN114771090B (en) * | 2022-03-18 | 2023-09-01 | 山东泰宝信息科技集团有限公司 | Magnetic optically variable anti-counterfeiting mark printing device |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442097A (en) * | 2010-09-30 | 2012-05-09 | 王玉珠 | Magnetic printing method and printing product thereof |
| CN102529326B (en) * | 2011-12-02 | 2014-08-06 | 惠州市华阳光学技术有限公司 | Magnetic orientation device, manufacture device and manufacture method of magnetic pigment printed product |
| CN102837492B (en) * | 2012-08-03 | 2015-06-17 | 惠州市华阳光学技术有限公司 | Magnetic printing apparatus |
| CN103448361B (en) * | 2013-08-26 | 2015-06-17 | 惠州市华阳光学技术有限公司 | Magnetic orienting device for magnetic pigment printing and printing device |
| CN203510940U (en) * | 2013-11-05 | 2014-04-02 | 德信嘉邦涂料（深圳）有限公司 | Magnetic orientation assembly and magnetic ink printing equipment |
| CN103552370B (en) * | 2013-11-05 | 2015-10-21 | 德信嘉邦涂料（深圳）有限公司 | A kind of magnetic orientation assembly and magnetic ink printing equipment |
| CN103962292B (en) * | 2014-04-30 | 2016-02-10 | 吕嘉明 | A kind of coating equipment of magnetic paint and coating process |
| CN203803737U (en) * | 2014-04-30 | 2014-09-03 | 吕嘉明 | Magnetic pigment coating device |
| CN103950279B (en) * | 2014-05-15 | 2016-02-10 | 常德金鹏印务有限公司 | A kind of printing equipment of belt variable figure magnetic orientation device |
| CN203864172U (en) * | 2014-05-15 | 2014-10-08 | 常德金鹏印务有限公司 | Printing equipment provided with variable pattern magnetic orientation device |
| CN104401117B (en) * | 2014-11-05 | 2017-06-06 | 广东乐佳印刷有限公司 | The circular-oriented printing equipment and method of a kind of magnetic ink |
| CN105966055A (en) * | 2016-06-13 | 2016-09-28 | 惠州市华阳光学技术有限公司 | Magnetic printing equipment, magnetic orientation device and magnetic printing method |
-
2018
- 2018-03-22 CN CN201810239554.5A patent/CN108407482B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108407482A (en) | 2018-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108407482B (en) | Method for preparing personalized dynamic anti-counterfeiting element | |
| EP2792500B1 (en) | Security elements | |
| AU2012213714B2 (en) | Device displaying a dynamic visual motion effect and method for producing same | |
| EP2263807B1 (en) | Image obtained by a method for orienting magnetic flakes | |
| EP3224055B1 (en) | Devices and methods for orienting platelet-shaped magnetic or magnetizable pigment particles | |
| KR101238198B1 (en) | Magnetic security feature having 3d moving hidden image effect and the printing method thereof | |
| CN101903183B (en) | Optically variable security element, manufacturing method, safety device, data medium and application | |
| US20050106367A1 (en) | Method and apparatus for orienting magnetic flakes | |
| US20110290129A1 (en) | Device and Method for Magnetically Transferring Indicia to a Coating Composition Applied to a Substrate | |
| CA2791199A1 (en) | Security element having aligned magnetic pigments | |
| CN108698077A (en) | Device and method for the optical effect layer for producing the magnetic or magnetisable granules of pigments for including the non-spherical being orientated | |
| SA07280527B1 (en) | Method and means for magnetically Transfer ring indicia to a coating composition Applied on a substrate | |
| KR20210057771A (en) | Method for producing an optical effect layer comprising oriented non-spherical magnetic or magnetizable pigment particles | |
| US10821759B2 (en) | System for forming safety pattern by magnetic and optical field | |
| AU2015200596B2 (en) | Security elements and methods and apparatus for their manufacture | |
| KR20200044046A (en) | Assembly and process for producing an optical effect layer comprising oriented non-spherical one-piece magnetic or magnetisable pigment particles | |
| KR20200049793A (en) | Assembly and process for producing an optical effect layer comprising oriented non-spherical one-piece magnetic or magnetisable pigment particles | |
| KR20200049792A (en) | Assembly and process for producing an optical effect layer comprising oriented non-spherical one-piece magnetic or magnetisable pigment particles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 288 Xiuyan Road, Pudong New Area, Shanghai, 201315 Patentee after: CHINA BANKNOTE INK Co.,Ltd. Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: 288 Xiuyan Road, Pudong New Area, Shanghai, 201315 Patentee before: CHINA BANKNOTE INK Co.,Ltd. Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |