CN106778989B - Anti-counterfeiting element and anti-counterfeiting product - Google Patents
Anti-counterfeiting element and anti-counterfeiting product Download PDFInfo
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- CN106778989B CN106778989B CN201611031643.8A CN201611031643A CN106778989B CN 106778989 B CN106778989 B CN 106778989B CN 201611031643 A CN201611031643 A CN 201611031643A CN 106778989 B CN106778989 B CN 106778989B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06187—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with magnetically detectable marking
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
- G06K19/10—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
- G06K19/12—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by magnetic means
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- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
The invention relates to the anti-counterfeiting field, and discloses an anti-counterfeiting element and an anti-counterfeiting product, wherein the anti-counterfeiting element comprises: a substrate; and a magnetic region of a material disposed on the substrate in a continuous state, the magnetic region having a plurality of first and second regions arranged at intervals, wherein the first region has a remanence greater than that of the second region. The anti-counterfeiting element can well conceal the magnetic coding region, and has simple manufacturing process and low cost.
Description
Technical Field
The invention relates to the field of anti-counterfeiting, in particular to an anti-counterfeiting element and an anti-counterfeiting product.
Background
At present, magnetic materials are widely applied to the anti-counterfeiting field, and early magnetic safety lines adopt a full-page coating mode, such as the following patents: GB1127043, in which a layer of magnetic material is applied uniformly over the entire security thread. And detecting the magnetic material on the safety line by using the magnetic sensor, wherein if the magnetic signal can be detected, the detection is true, and otherwise, the detection is false. However, in the security thread formed by the coating method, only the presence or absence of magnetism can be detected by using the magnetic sensor, a magnetic coding sequence cannot be generated, and the coating method is easy to imitate.
In order to enhance the security thread anti-counterfeiting properties, the patent EP0310707a2 filed by Mantegazza corporation proposes a way of spacing magnetic and non-magnetic regions on a security thread, using a magnetic sensor capable of detecting a magnetic code sequence, and forming a plurality of code sequences by controlling the geometrical dimensions of the magnetic and non-magnetic regions. The arrangement of the coding sequence improves the anti-counterfeiting level and the production difficulty, but the magnetic regions arranged at intervals are easy to observe and decipher by naked eyes.
In order to solve the above problems, patent CN200580042771.6 filed by G & D company proposes a method of forming a magnetic code (magnetic regions and non-magnetic regions are arranged at intervals) with a first magnetic material, and filling the non-magnetic regions with a second magnetic material. The magnetic coding sequence can be detected by adopting a magnetic sensor, and the safety line has uniform coating effect and is difficult to decipher under the observation of naked eyes. However, although this method improves concealment, overprinting using two magnetic materials has high production difficulty and manufacturing cost.
In addition, at present, the security thread combining the first-line and second-line anti-counterfeiting features mainly combines magnetic coding and non-magnetic graphics, for example, a euro security thread issued in 2002 adopts a dealuminized hollowed-out magnetic coding security thread earlier, the security thread adopts the combination of magnetic coding and dealuminized hollowed-out characters, but the security thread has a complex manufacturing process and needs to be subjected to multiple processes such as thin-film aluminum plating, dealuminization, character magnetic code overprinting, compounding and the like. With the gradual popularization and application of the plastic banknotes in recent years, the safety line of the type can not meet the manufacturing requirements of the plastic banknotes.
Disclosure of Invention
The invention aims to provide an anti-counterfeiting element and an anti-counterfeiting product, wherein the anti-counterfeiting element is simple in process and is not easy to decipher.
In order to achieve the above object, the present invention provides a security element comprising a substrate; and a magnetic region of a material disposed on the substrate in a continuous state, the magnetic region having one or more first regions and second regions arranged at intervals, wherein the remanence of the first region is greater than the remanence of the second region.
Optionally, the coating thickness of the first region is greater than the coating thickness of the second region.
Optionally, the magnetic region has the first region and/or the second region being periodic.
Optionally, the second region has embedded therein one or more of: hollowed-out text, patterns or signs.
Optionally, the coating thickness of the first region is in the range of 1.5-15 μm, preferably 1.5-4 μm.
Optionally, the difference in coating thickness between the first region and the second region is in the range of 1-12 μm, preferably 1-3 μm.
Optionally, the width of the magnetic region is in the range of 1-6mm, preferably 1.5-3 mm.
Optionally, the magnetic region is comprised of a hard magnetic material.
Optionally, the magnetic region is composed of one of the following materials: magnetic, electrically conductive, or magnetically conductive material.
Optionally, the substrate is paper or film.
Optionally, the magnetic regions are surface coated with a coating to mask the magnetic regions, preferably a white ink coating or a silver ink coating.
Correspondingly, the invention also provides a security product comprising the security element.
Optionally, the security element is disposed in the security product in a fully buried or windowed manner.
Optionally, the anti-counterfeiting product is one of the following: banknotes, bank notes, entrance tickets, documents or credit cards.
The anti-counterfeiting element and the anti-counterfeiting product provided by the invention have the following advantages:
(1) because the magnetic area is made of one material, the anti-counterfeiting element can be coated at one time, and the manufacturing process is simple;
(2) the magnetic regions present a continuous state, but because of the regions with different residual magnetization (referred to as "remanence" in the present invention), the magnetic encoding sequence can be detected when the magnetic sensor detects the magnetic regions, which has a better hiding effect on the magnetic encoding regions and is not easy to copy.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 shows a schematic structural diagram, a top view and a signal waveform obtained by detecting the security element by a magnetic sensor in one embodiment;
FIG. 2 shows a schematic structural diagram, a top view and a signal waveform obtained by detecting the security element by a magnetic sensor in another embodiment; and
fig. 3 shows a schematic structural diagram, a top view and a signal waveform obtained by detecting the security element by a magnetic sensor in yet another embodiment.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation. Also, those skilled in the art will appreciate that the gray scale and size scale in all figures are merely schematic and do not represent actual color and size scale.
Fig. 1 shows a schematic structural diagram, a top view and a signal waveform obtained by detecting the security element by a magnetic sensor in one embodiment. As shown in part (a) of fig. 1, an embodiment of the present invention provides a security element, which may include: the magnetic field comprises a substrate 10 and a magnetic region which is arranged on the substrate 10 and is made of one material, wherein the magnetic region can be provided with one or more first regions 1 and second regions 2 which are arranged at intervals, and the remanence of the first regions 1 is larger than that of the second regions 2. The magnetic area is made of one material, so that the anti-counterfeiting element can be coated at one time, and the production difficulty and the manufacturing cost of the anti-counterfeiting element are reduced to a great extent.
The magnetic regions are distributed on the substrate 10 in a continuous state, as shown in part (b) of fig. 1, where the continuous state distribution means that the magnetic regions are distributed on the substrate 10 continuously without intervals, so that the magnetic regions in a complete continuous state are observed by human eyes, thereby ensuring the aesthetic appearance and reducing the risk of deciphering the magnetic regions.
When the security element shown in part (a) of fig. 1 is detected from left to right using a magnetic sensor, as shown in part (c) of fig. 1, a variation curve of the magnetic induction electromotive force may be formed from the beginning to the end of the magnetic region of the security element.
The magnetic flux changes from absent to absent at the beginning of the magnetic region of the security element (at the left rising edge of the leftmost first region 1 in part (a) of fig. 1) and from present to absent at the end of the magnetic region (at the right falling edge of the rightmost first region 1 in part (a) of fig. 1), so that a change curve of the magnetic induction electromotive forces in opposite phases can be formed at the beginning and the end, wherein the maximum amplitude of the formed magnetic induction electromotive forces at the beginning and the end is Y, and Y > 0.
Because the remanence of the first region 1 is larger than that of the second region 2, the magnetic flux changes from large to small or from small to large at the junction of the two regions, so that a change curve of induced electromotive force can be formed, wherein the maximum amplitude of the induced electromotive force formed at the junction of the two regions is A, and A is greater than 0. It is easy to know | A | Y |.
Therefore, when the magnetic sensor is used for detecting the anti-counterfeiting element of the embodiment of the invention, the waveform signal can be detected, and the protection effect on the magnetic code of the anti-counterfeiting element is further improved.
When the security element is used as a security thread, the remanence can preferably be increased by increasing the coating thickness of the magnetic regions, i.e. in the case of a fixed coating width of the magnetic regions, the coating thickness of the first regions 1 can be set greater than the coating thickness of the second regions 2 such that the remanence of the first regions 1 is greater than the remanence of the second regions 2. Alternatively, the coating thickness of the first region 1 may range from 1.5 to 15 μm, preferably from 1.5 to 4 μm. Alternatively, the coating thickness of the second regions 2 is less than or equal to 3 μm, preferably 0.5-3 μm. Alternatively, the difference in coating thickness between the first region 1 and the second region 2 may be in the range of 1-12 μm, preferably 1-3 μm. Here, the range of the coating thickness and the range of the difference in the coating thickness are both in the order of micrometers, so that the difference in the coating thickness between the first region 1 and the second region 2 cannot be distinguished by visual observation, and only a flat continuous magnetic region can be observed, which further reduces the possibility of the magnetic region being deciphered.
The embodiment of the present invention is not limited to the above-mentioned improvement of the remanence by the coating thickness, and the size of the remanence may be controlled by controlling the size of the width in the case that the width of the magnetic region is not fixed.
The security element shown in part (a) of fig. 1 has first regions 1 and second regions 2 each arranged periodically on the substrate 10, but it will be appreciated that in the case of ensuring that the first regions 1 and second regions 2 are arranged at intervals, the first regions 1 and/or second regions 2 may also be non-periodic, for example, the length and coating thickness of the first regions arranged on the substrate 10 may be different, and likewise the length and coating thickness of the second regions may be different.
One or more of cut-out text, patterns or logos may be embedded in the second of the magnetic regions to provide a line identification feature. Fig. 2 shows a schematic structural diagram, a top view and a signal waveform obtained by detecting the security element by a magnetic sensor in another embodiment. The embodiment is different from the embodiment shown in fig. 1 in that the "N" word is embedded in the second region 2, and the embedding of the "N" word is only for example and is not intended to limit the present invention, and any type and any number of hollow characters, patterns or signs can be embedded.
As shown in part (a) of figure 2, a single "N" word may be embedded in each second region 2, as shown in part (b) of figure 2, the magnetic regions remaining intact in a continuous state when the security element is viewed, and the "N" words being visible at intervals, which provides a line of public identification.
With further reference to fig. 2 (a), the coating thickness of the first region 1 is greater than the coating thickness of the second region 2 on the substrate 10, and the magnetic region is detected by the magnetic sensor to obtain a signal waveform, which further improves the protection effect on the magnetic code of the security element.
Part (c) of fig. 2 shows the signal waveform generated when the magnetic sensor is used to detect the security element shown in part (a) of fig. 2 from left to right. When the security element shown in part (a) of fig. 2 is detected from left to right using a magnetic sensor, as shown in part (c) of fig. 2, a variation curve of the magnetic induction electromotive force can be formed from the beginning to the end of the magnetic region of the security element.
The magnetic flux changes from absent to absent at the beginning of the magnetic region of the security element (at the left rising edge of the leftmost first region 1 in part (a) of fig. 2) and from present to absent at the end of the magnetic region (at the right falling edge of the rightmost first region 1 in part (a) of fig. 2), so that a change curve of the magnetic induction electromotive forces in opposite phases can be formed at the beginning and the end, wherein the maximum amplitude of the formed magnetic induction electromotive forces at the beginning and the end is Y, and Y > 0.
Because the remanence of the first region 1 is larger than that of the second region 2, the magnetic flux changes from large to small or from small to large at the junction of the two regions, so that a change curve of induced electromotive force can be formed, wherein the maximum amplitude of the induced electromotive force formed at the junction of the two regions is A, and A is greater than 0. It is easy to know | A | Y |.
Because a single 'N' character is embedded in the second area 2, the magnetic flux is weakly changed at the edge of the character 'N', so that a change curve of induced electromotive force can be formed, wherein the maximum amplitude of the induced electromotive force formed at the edge of the character 'N' is B, B >0, and it is easy to know that | B | < | A | < | Y |. Alternatively, the waveform signal detected at the edge of the word "N" in the second area 2 is very weak and negligible, and thus the machine-readable security feature may be provided only by the first area 1.
The security element shown in part (a) of fig. 2 has first regions 1 and second regions 2 each arranged periodically on the substrate 10, but it will be appreciated that in the case of ensuring that the first regions 1 and second regions 2 are arranged at intervals, the first regions 1 and/or second regions 2 may also be non-periodic, for example, the length and coating thickness of the first regions arranged on the substrate 10 may be different, and likewise the length and coating thickness of the second regions may be different.
The security element shown in fig. 2 is only an example, and it should be understood that any type and any number of hollow letters, patterns or symbols can be embedded in each second region 2, or hollow letters, patterns or symbols can be embedded in only a part of the second regions 2, and hollow letters, patterns or symbols are not embedded in other second regions 2. Accordingly, the length of the second region 2 can also be changed according to the size of the embedded hollow text, pattern or mark.
Fig. 3 shows a schematic structural diagram, a top view and a signal waveform obtained by detecting the security element by a magnetic sensor in yet another embodiment. The embodiment shown in fig. 3 is different from the embodiment shown in fig. 2 in that the second region arranged on the substrate 10 has two types of sub-regions 2a and 2b, wherein the sub-region 2a has no hollow characters, patterns or marks embedded therein, and the sub-region 2b has two "N" characters embedded therein, and the two "N" characters have the same size. Here, the embedding of two "N" words in the sub-area 2b is only for example and is not intended to limit the present invention, and any type and any number of hollow characters, patterns or signs may be embedded in the sub-area 2a and/or the sub-area 2 b.
As shown in part (b) of fig. 3, the magnetic regions remain intact in a continuous state when the security element is viewed, and two "N" characters of identical size can be observed at intervals, providing a line of public identification.
With further reference to part (a) of fig. 3, the thickness of the coating in the first region 1 on the substrate 10 is greater than the thickness of the coating in the sub-regions 2a and 2b of the second region, and the magnetic sensor detects the magnetic region to obtain a signal waveform, and part (c) of fig. 3 shows the signal waveform generated when the magnetic sensor is used to detect the security element shown in part (a) of fig. 3 from left to right. When the security element shown in part (a) of fig. 3 is detected from left to right using a magnetic sensor, as shown in part (c) of fig. 3, a variation curve of the magnetic induction electromotive force may be formed from the beginning to the end of the magnetic region of the security element.
Similar to the embodiment in fig. 2, the variation curves of the phase-reversed magnetic induced electromotive forces can be formed at the beginning and at the end of the magnetic region, where the maximum amplitude of the formed magnetic induced electromotive forces is Y, Y > 0. A variation curve of induced electromotive force may be formed at a boundary between the first area 1 and the sub-area 2a or the sub-area 2b, wherein maximum magnitudes of induced electromotive forces formed at the boundary between the two areas are A, A >0, | A | Y |. Variation curves of induced electromotive forces may be formed at the edges of the two characters "N" of the sub-area 2B, respectively, wherein the maximum amplitudes of the induced electromotive forces formed at the respective edges of the two characters "N" are B, B >0, | B | a | Y |. Alternatively, the waveform signals detected at the edges of the two words "N" in the sub-area 2b are very weak and can be ignored, so that the machine-readable anti-counterfeiting feature can be provided only by the first area 1.
The magnetic regions of the security element shown in part (a) of fig. 3 are periodically arranged with a group of regions comprising two first regions 1, 1 sub-region 2a and 1 sub-region 2b as a period, wherein the sequence of arrangement of the regions in each group of regions is: first region 1, sub-region 2a, first region 1, sub-region 2 b. It should be understood, however, that the number of the first regions 1 and the sub-regions 2a and 2b in each group of regions is not limited and may be any number, provided that the first regions 1 and the second regions are arranged at intervals. In addition, the lengths and the coating thicknesses of the respective first regions arranged on the substrate 10 may be different, and likewise, the lengths and the coating thicknesses of the respective sub-regions 2a and 2b may be different.
The security elements shown in fig. 2 to 3 have both machine-readable and public identification features, which further improves the security performance of the security elements.
In the embodiment of the present invention, the constituent material of the magnetic region may be a hard magnetic material, but the embodiment of the present invention is not limited thereto, and the constituent material may also be a conductive material or a magnetic conductive material.
Further, the substrate 10 in the present embodiment may optionally be paper or a film.
The anti-counterfeiting element provided by the invention can be used for manufacturing safety lines, wide strips, labels, marks and the like, and can also be adhered to various articles through various adhesion mechanisms, such as transferring to high-safety products such as bank notes, credit cards and the like and high value-added products.
Optionally, a coating may be applied to the surface of the magnetic region of the security element to mask the magnetic region to further improve concealment and protect the magnetic region from damage. The coating may be a white ink coating or a silver ink coating, but the embodiment of the present invention is not limited thereto and may be other types of coatings.
In another aspect, the invention provides a security product comprising the above security element, optionally, the security element may be disposed in the security product in a fully buried or windowed manner. The anti-counterfeiting product includes but is not limited to one of the following: banknotes, bank notes, entrance tickets, certificates, documents or credit cards, etc.
The invention provides an anti-counterfeiting element and an anti-counterfeiting product comprising the anti-counterfeiting element, aiming at the defects that the anti-counterfeiting element is easy to observe and decipher by naked eyes, the production difficulty and the manufacturing cost are higher in the prior art, wherein the anti-counterfeiting element comprises a base material and a magnetic area, and the magnetic area is made of one material, so that the anti-counterfeiting element can be finished by one-time coating, the manufacturing process is simple, and the cost is lower. The magnetic regions are distributed on the base material in a continuous state, and the magnetic regions in a complete continuous state are observed by human eyes, so that the anti-counterfeiting element is ensured to be attractive, and the risk of deciphering the magnetic regions is reduced. In addition, the magnetic regions are provided with regions with different remanence arranged at intervals, and the coded sequences can be detected by adopting the magnetic sensors to detect the magnetic regions, so that the anti-counterfeiting performance of the anti-counterfeiting element is further improved.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (16)
1. A security element, comprising:
a substrate; and
a magnetic region of a material disposed on the substrate in a continuous state, the magnetic region having one or more first regions and second regions arranged at intervals, wherein the coating thickness of the first regions is uniform and the coating thickness of the second regions is uniform, wherein the remanence of the first regions is greater than the remanence of the second regions, wherein the coating thickness difference between the first regions and the second regions is in the range of 1-12 μm, or the width of the first regions is greater than the width of the second regions.
2. A security element according to claim 1, wherein the coating thickness of the first region is greater than the coating thickness of the second region.
3. A security element according to claim 1 or 2, characterized in that the magnetic region has the first region and/or the second region being periodic.
4. A security element according to claim 1 or 2, wherein the second region has embedded therein one or more of: hollowed-out text, patterns or signs.
5. A security element according to claim 1 or 2, characterized in that the coating thickness of the first region is in the range of 1.5-15 μm.
6. A security element according to claim 5, wherein the coating thickness of the first region is in the range 1.5-4 μm.
7. A security element according to claim 1, wherein the difference in coating thickness between the first and second regions is in the range 1-3 μm.
8. A security element according to claim 1 or 2, wherein the width of the magnetic region is in the range 1-6 mm.
9. A security element according to claim 8, wherein the width of the magnetic region is in the range 1.5-3 mm.
10. A security element according to claim 1 or 2, characterized in that the magnetic area consists of a hard magnetic material.
11. A security element according to claim 1 or 2, characterized in that the magnetic region consists of one of the following materials: magnetic, electrically conductive, or magnetically conductive material.
12. Security element according to claim 1 or 2, characterized in that the substrate is paper or film.
13. A security element according to claim 1 or 2, wherein the magnetic areas are surface coated with a coating to mask the magnetic areas, the coating preferably being a white ink coating or a silver ink coating.
14. A security product comprising a security element according to any one of claims 1 to 13.
15. A security product according to claim 14, wherein the security element is provided in the security product in a fully embedded or windowed manner.
16. A security product as claimed in claim 14 or claim 15 wherein the security product is one of: banknotes, bank notes, entrance tickets, documents or credit cards.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CN201611031643.8A CN106778989B (en) | 2016-11-22 | 2016-11-22 | Anti-counterfeiting element and anti-counterfeiting product |
AU2017366399A AU2017366399B2 (en) | 2016-11-22 | 2017-11-22 | Security Element and Security Product with Security Element |
GB1908927.5A GB2585365B (en) | 2016-11-22 | 2017-11-22 | Security Element and Security Product with Security Element |
PCT/CN2017/112227 WO2018095319A1 (en) | 2016-11-22 | 2017-11-22 | Anti-counterfeiting element and anti-counterfeiting product |
Applications Claiming Priority (1)
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CN201611031643.8A CN106778989B (en) | 2016-11-22 | 2016-11-22 | Anti-counterfeiting element and anti-counterfeiting product |
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CN106778989A CN106778989A (en) | 2017-05-31 |
CN106778989B true CN106778989B (en) | 2020-04-21 |
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AU (1) | AU2017366399B2 (en) |
GB (1) | GB2585365B (en) |
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CN106778989B (en) * | 2016-11-22 | 2020-04-21 | 中钞特种防伪科技有限公司 | Anti-counterfeiting element and anti-counterfeiting product |
TWI709494B (en) * | 2020-01-07 | 2020-11-11 | 台灣三維設計有限公司 | Toppan printing latent image anti-counterfeiting technology |
CN112329903B (en) * | 2020-11-09 | 2024-03-29 | 中钞特种防伪科技有限公司 | Magnetic anti-counterfeiting element, product and manufacturing method thereof |
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 |
CN113947174B (en) * | 2021-09-08 | 2023-09-05 | 中钞特种防伪科技有限公司 | Anti-counterfeiting element and anti-counterfeiting product using same |
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2016
- 2016-11-22 CN CN201611031643.8A patent/CN106778989B/en active Active
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2017
- 2017-11-22 WO PCT/CN2017/112227 patent/WO2018095319A1/en active Application Filing
- 2017-11-22 AU AU2017366399A patent/AU2017366399B2/en active Active
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Patent Citations (3)
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CN1188450A (en) * | 1995-05-11 | 1998-07-22 | 克兰股份有限公司 | Articles employing magnetic security feature |
CN105163952A (en) * | 2013-04-04 | 2015-12-16 | 德国捷德有限公司 | Security element for value documents |
CN105321251A (en) * | 2014-07-03 | 2016-02-10 | 中钞特种防伪科技有限公司 | Anti-counterfeiting element and anti-counterfeiting product utilizing same |
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Publication number | Publication date |
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GB2585365A (en) | 2021-01-13 |
GB201908927D0 (en) | 2019-08-07 |
GB2585365B (en) | 2021-11-17 |
WO2018095319A1 (en) | 2018-05-31 |
AU2017366399B2 (en) | 2020-12-24 |
AU2017366399A1 (en) | 2019-07-11 |
CN106778989A (en) | 2017-05-31 |
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Address after: 100070 No. 6 Spark Road, Science City, Beijing, Fengtai District Patentee after: ZHONGCHAO SPECIAL SECURITY TECHNOLOGY Co.,Ltd. Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: 100070 No. 6 Spark Road, Science City, Beijing, Fengtai District Patentee before: ZHONGCHAO SPECIAL SECURITY TECHNOLOGY Co.,Ltd. Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |
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