CN104015520B - A kind of vision Security element and preparation method thereof - Google Patents
A kind of vision Security element and preparation method thereof Download PDFInfo
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- CN104015520B CN104015520B CN201410239147.6A CN201410239147A CN104015520B CN 104015520 B CN104015520 B CN 104015520B CN 201410239147 A CN201410239147 A CN 201410239147A CN 104015520 B CN104015520 B CN 104015520B
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Abstract
The invention provides a kind of vision Security element and preparation method thereof, comprise base material, described base material includes stereo anti-fake pattern and at least one micropore pattern, described stereo anti-fake pattern by side by side and multiple projection of alternate setting successively and multiple groove form, described micropore pattern is made up of several the micro-open-works being opened in each described groove floor.The 3 D antiforge structure that the present invention is formed, possess and observe from different perspectives, micropore pattern light transmittance and block the visual effect that angle also changes completely, significantly enhance antiforge function, there is the advantage that anti-counterfeiting characteristic integrated level is high, antifalse effect is good, be applicable to the Boping base materials such as paper, plastics, composite.
Description
Technical field
The present invention relates to a kind of vision Security element and preparation method thereof, particularly relate to vision Security element that a kind of micropore pattern combines with three-dimensional structure and preparation method thereof.The present invention can be applied to the production fields such as loan, banknote, marketable securities especially.
Background technology
At present, laser micropore anti-counterfeiting technology is widely used in the production fields such as loan, banknote, marketable securities.In the prior art, as a Chinese invention patent application, application number is 96198290.X, it discloses a kind of Security element described with micropore anti-fake mark, its pore size is between 85 μm ~ 130 μm, visible hardly under there is reverberation, under transmitted light, apparent visual effect.Micro-pore shape can be circle or ellipse, adds man-hour, and substrate transport is low speed or static state, circular micropore can be obtained, substrate transport is that then can obtain elliptical aperture, ovality is determined jointly by the spot size of laser action on base material, laser action time and substrate transport speed at a high speed.The short diameter of oval Kongzui between 85 μm ~ 130 μm, preferred longest diameter≤170 μm.
In addition, the oval elongated hole different directions of the utilization that other existing laser micropore anti-counterfeiting technology also has, when causing different angles to observe, can produce the visual effect of different light transmittance; Or adopt different punch formats, under Security element has certain thickness situation, can be different by the degree of depth of perforate, produce different light transmittance effects, or the relative Security element plane of the angle of perforate is not 90 °, can produce the application modes such as implicit pattern; Or utilize aperture or hole variable density, change the light transmittance of laser micropore pattern, form the technological means with the image of grey scale change.
But above-mentioned prior art all has some shortcomings part:
1, the false proof visual signature of existing laser micropore anti-counterfeiting technology is only the difference of viewed in reflected light and viewed in transmitted light, and micropore pattern is two dimensional surface pattern, and antifalse effect is not ideal enough.
2, under normal circumstances, the ovality of the micropore that laser is formed on base material can be observed under the microscope, but direct translumination observation, and naked eyes cannot be differentiated.This is because pore size is little, and translumination observation exists caused by diffraction effect, have impact on recognition effect.
3, the elliptical aperture pattern that direction of observation is different from different directions, possesses certain visual contrast effects, but for making the elliptical aperture of different directions, need to transmit base material along two different directions, this is difficult to realize in actual production.
If 4 on same Security element the same area, make two width laser micropore patterns, and two width patterns are made up of the micropore of vertical substrate and the micropore of out of plumb base material, microvoid hiding pattern can be formed, but base material thickness and substrate intensity are had higher requirements, is not suitable for Security element as suitable with pore size in money one class base material thickness.
5, by changing the mode of micropore size and hole density, be applicable to make the patterns such as the portrait on security card, due to the restriction such as intensity of the Security element paper such as banknote, there is certain difficulty in application.
Summary of the invention
The object of this invention is to provide one and can realize 3 D antiforge effect, avoid diffraction effect, be suitable for the vision Security element that banknote one class base material thickness is implemented.
Another object of the present invention is to provide a kind of method preparing above-mentioned vision Security element.
For achieving the above object, the present invention proposes a kind of vision Security element, comprise base material, described base material includes stereo anti-fake pattern and at least one micropore pattern, described stereo anti-fake pattern by side by side and multiple projection of alternate setting successively and multiple groove form, described micropore pattern is made up of several the micro-open-works being opened in each described groove floor.
Vision Security element as above, wherein, described micro-open-work is elliptical aperture, and the major axis dimension of described elliptical aperture is 85 microns to 145 microns.
Vision Security element as above, wherein, described base material thickness is 1 ~ 4 times of described micro-open-work minimum diameter; The height of projection of described stereo anti-fake pattern is 1.5 ~ 10 times of described micro-open-work minimum diameter; The recess width of described stereo anti-fake pattern is 1 ~ 4 times of described micro-open-work minimum diameter; Described micro-open-work is opened on the axis of described groove, and its site error is less than 1 ~ 3 times of described micro-open-work minimum diameter.
Vision Security element as above, wherein, described micro-open-work is opened in the bottom of groove described in its place.
Vision Security element as above, wherein, the side of described groove is right-angle side or hypotenuse or arc-shaped side.
Vision Security element as above, wherein, described micro-open-work is circular hole.
Vision Security element as above, wherein, the angle of blocking completely between the described projection that each described micro-open-work is adjacent is A, between each described micro-open-work and the described groove at its place to block angle be completely the difference of B, A and B is 10 degree to 15 degree.
The invention allows for a kind of preparation method of vision Security element, wherein, described vision Security element is vision Security element as above, and described preparation method comprises:
Laser anti-counterfeit processing is carried out in precalculated position on base material, namely in the precalculated position laser boring of substrate plane, forms the micropore pattern be made up of several micro-open-works, and described micro-open-work radial dimension presets, and hole depth is identical with described base material thickness;
Successively by gravure, belling or forming processes, described base material is made to be formed by side by side and the stereo anti-fake pattern that forms of multiple projection of alternate setting successively and multiple groove, described groove and described micro-open-work overlap, and each described micro-open-work is laid on the bottom surface of corresponding each described groove respectively.
The preparation method of vision Security element as above, wherein, described micro-open-work radial dimension is between 85 μm ~ 145 μm.
Compared with prior art, the present invention has following characteristics and advantage:
1, vision Security element of the present invention forms 3 D antiforge structure by stereo anti-fake pattern and micropore pattern, possesses and observes from different perspectives, micropore pattern light transmittance and block the visual effect that angle also changes completely, significantly enhances antiforge function.
2, the present invention can select the position of different base material thickness h, height of projection H, recess width W, micro-open-work confronting grooves, and the aperture of micro-open-work, thus affects visual contrast effects, reaches good antiforge function.
3, anti-counterfeiting characteristic integrated level of the present invention is high, positioning precision is high, be easy to ensure antifalse effect, the present invention utilizes gravure, belling, the mode such as shaping, base material is made to have the three-dimensional structure of certain raised or sunken distortion, micropore is placed in the sunk part of the rear base material of distortion, high anti-counterfeiting characteristic integrated level can be realized.Namely from S direction with when observing micropore from F direction, base material bossing is different to micropore occlusion effect with sunk part, causes micropore to be blocked angle A, B difference completely by base material, thus produces different observing effects in the two directions.The contrast of blocking angle completely produces the difference of observing effect, forms a kind of new vision anti-counterfeiting characteristic.
4, the present invention is applicable to the Boping base materials such as paper, plastics, composite.
Accompanying drawing explanation
Accompanying drawing described here only for task of explanation, and is not intended to limit scope disclosed by the invention by any way.In addition, in figure, the shape and proportional sizes etc. of each parts is only schematic, for helping the understanding of the present invention, is not the shape and the proportional sizes that specifically limit each parts of the present invention.Those skilled in the art under the teachings of the present invention, can select various possible shape and proportional sizes to implement the present invention as the case may be.
Fig. 1 is the perspective view of vision Security element of the present invention;
Fig. 2 is that the S of Fig. 1 is to side-looking structural representation;
Fig. 3 is that the F of Fig. 1 is to side-looking structural representation;
Fig. 4 is the structural representation of the micro-open-work of ellipse of the present invention.
Description of reference numerals:
1-base material; 2-is protruding; 3-groove; The micro-open-work of 4-;
A-elliptical aperture minor axis; B-elliptical aperture major axis;
The micro-open-work of A-is blocked angle completely by the projection of base material; The micro-open-work of B-is blocked angle completely by the groove of base material;
S-is perpendicular to the axis of groove; F-is parallel to the axis of groove.
Detailed description of the invention
By reference to the accompanying drawings with the description of the specific embodiment of the invention, can clearly understand details of the present invention.But the specific embodiment of the present invention described here, only for explaining object of the present invention, and can not to be understood as by any way be limitation of the present invention.Under the teachings of the present invention, technical staff can conceive based on distortion possible arbitrarily of the present invention, and these all should be regarded as belonging to scope of the present invention.
As shown in Figure 1, be the perspective view of vision Security element of the present invention.Vision Security element provided by the invention, comprises base material 1, and this base material 1 includes stereo anti-fake pattern and micropore pattern, wherein stereo anti-fake pattern by side by side and multiple protruding 2 and multiple groove 3 of alternate setting successively form; Micropore pattern is made up of several the micro-open-works 4 of the bottom surface being opened in each groove 3, and the micropore pattern be made up of micro-open-work 4 can have multiple, and the shape of micropore pattern can be selected as required.To be base material 1 formed through gravure, convex print and any one PROCESS FOR TREATMENT such as shaping above-mentioned stereo anti-fake pattern.Under the effect of laser beam or high-energy beam, form micropore pattern according to the graphical effect preset.Micropore pattern is under the irradiation of transmitted light, by the feature acting in conjunction such as stereo anti-fake pattern of the size of micro-open-work, shape and Security element, formation has anti-fraud functional special visual effect, thus realize 3 D antiforge function, and avoid diffraction effect, be suitable for implementing on banknote one class base material thickness.
In the present invention, micro-open-work 4 radial dimension is between 85 μm ~ 145 μm.The shape of micro-open-work 4 can select circular hole or elliptical aperture.As shown in Figure 4, preferred elliptical aperture, when other parameter constants, can obtain better visual contrast effects like this.When micro-open-work 4 is circular hole, its aperture is 85 μm ~ 145 μm; When micro-open-work 4 is elliptical aperture, elliptical aperture major axis b is 145 μm, and minor axis a is 85 μm.
As shown in Figure 2 and Figure 3, the S being respectively Fig. 1 to F to side-looking structural representation.Wherein, S is to being the axis perpendicular to groove 3; F is to the axis for being parallel to groove 3.As shown in Figure 2, when along S to observation micropore pattern, the angle of blocking completely between the adjacent protrusion 2 on micro-open-work 4 and base material 1 is A; When along F to observation micropore pattern, on micro-open-work 4 and base material 1 this micro-open-work 4 place groove 3 between angle of blocking completely be B; The projection 2 of each micro-open-work 4 and stereo anti-fake pattern S to groove 3 F upwards block differential seat angle completely, namely the difference of A and B is 10 degree to 15 degree.Like this from S direction with when observing micropore pattern from F direction, the projection 2 of stereo anti-fake pattern is different to micro-open-work 4 occlusion effect with depression 3, cause micro-open-work 4 to be blocked the value difference of angle A, B completely by the stereo anti-fake pattern of base material 1, thus produce different observing effects in different directions.Produced the difference of observing effect by the contrast of blocking angle completely, thus be compounded to form a kind of new vision anti-counterfeiting characteristic, thus significantly improve antifalse effect.
As shown in Figure 2 and Figure 3, when micro-open-work 4 is elliptical aperture, elliptical aperture major axis is b, and minor axis is a.Base material thickness h is a ~ 4a, and after protruding, height H is 1.5a ~ 10a, recess width W is between a ~ 4a.
Preferably, micro-open-work 4 is opened in the bottom of its place groove 3.
Further, the side of groove 3 is right-angle side or hypotenuse or arc-shaped side.
The invention allows for a kind of preparation method of vision Security element described above, this preparation method comprises:
Laser anti-counterfeit processing is carried out in precalculated position on base material 1, and namely in the precalculated position laser boring of base material 1 plane, form the micropore pattern be made up of several micro-open-works 4, micro-open-work 4 radial dimension presets, and hole depth is identical with base material 1 thickness;
Successively by gravure, belling or forming processes, base material 1 is made to be formed by side by side and the stereo anti-fake pattern that forms of multiple protruding 2 and multiple groove 3 of alternate setting successively, groove 3 and micro-open-work 4 overlap, and each micro-open-work 4 is laid on the bottom surface of corresponding each groove 3 respectively.Wherein gravure, belling or forming processes are prior art, no longer describe in detail at this.
Further, described micro-open-work radial dimension is between 85 μm ~ 145 μm.
In sum, vision Security element of the present invention forms 3 D antiforge structure by stereo anti-fake pattern and micropore pattern, stereo anti-fake pattern is by gravure, belling, the mode such as shaping is made, micro-open-work that micropore pattern is made by laser or high-energy beam forms, micro-open-work is visible hardly under possessing reverberation, special visual effect is produced by the three-dimensional structure acting in conjunction of micro-open-work size and dimension and Security element under transmitted light, when micro-open-work size and dimension is certain, visible angle and light transmittance are different and different according to the circumstance of occlusion of three-dimensional structure to micro-open-work, formed and change direction of observation, micropore pattern light transmittance and block the visual effect that angle also changes completely, and then increased substantially anti-counterfeiting performance.
For the detailed explanation of the respective embodiments described above, its object is only to make an explanation to the present invention, so that the present invention can be understood better, but, it is limitation of the present invention that these descriptions can not become with any explanation, particularly, each feature described in various embodiments also can be combined mutually, thus form other embodiments, except there being clearly contrary description, these features should be understood to can be applied in any one embodiment, and are also not only confined to described embodiment.
Claims (8)
1. a vision Security element, comprise base material, it is characterized in that, described base material includes stereo anti-fake pattern and at least one micropore pattern, described stereo anti-fake pattern by side by side and multiple projection of alternate setting successively and multiple groove form, described micropore pattern is made up of several the micro-open-works being opened in each described groove floor; Angle of blocking completely between the described projection that each described micro-open-work is adjacent is A, between each described micro-open-work and the described groove at its place to block angle be completely the difference of B, A and B is 10 degree to 15 degree.
2. vision Security element as claimed in claim 1, it is characterized in that, described micro-open-work is elliptical aperture, and the major axis dimension of described elliptical aperture is 85 microns to 145 microns.
3. vision Security element as claimed in claim 2, it is characterized in that, described base material thickness is 1 ~ 4 times of described micro-open-work minimum diameter; The height of projection of described stereo anti-fake pattern is 1.5 ~ 10 times of described micro-open-work minimum diameter; The recess width of described stereo anti-fake pattern is 1 ~ 4 times of described micro-open-work minimum diameter; Described micro-open-work is opened on the axis of described groove, and its site error is less than 1 ~ 3 times of described micro-open-work minimum diameter.
4. vision Security element as claimed in claim 1, it is characterized in that, described micro-open-work is opened in the bottom of groove described in its place.
5. vision Security element as claimed in claim 1, is characterized in that, the side of described groove is right-angle side or hypotenuse or arc-shaped side.
6. vision Security element as claimed in claim 1, it is characterized in that, described micro-open-work is circular hole.
7. a preparation method for vision Security element, is characterized in that, described vision Security element is the vision Security element such as according to any one of claim 1 to 6, and described preparation method comprises:
Laser anti-counterfeit processing is carried out in precalculated position on base material, namely in the precalculated position laser boring of substrate plane, forms the micropore pattern be made up of several micro-open-works, and described micro-open-work radial dimension presets, and hole depth is identical with described base material thickness;
Successively by gravure, belling or forming processes, described base material is made to be formed by side by side and the stereo anti-fake pattern that forms of multiple projection of alternate setting successively and multiple groove, described groove and described micro-open-work overlap, and each described micro-open-work is laid on the bottom surface of corresponding each described groove respectively.
8. the preparation method of vision Security element as claimed in claim 7, it is characterized in that, described micro-open-work radial dimension is between 85 μm ~ 145 μm.
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| CN201410239147.6A CN104015520B (en) | 2014-05-30 | 2014-05-30 | A kind of vision Security element and preparation method thereof |
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| CN107175942B (en) * | 2017-05-15 | 2019-03-01 | 中国人民银行印制科学技术研究所 | Laser anti-counterfeit device and method |
| CN110774795B (en) * | 2019-10-12 | 2021-06-08 | 中钞印制技术研究院有限公司 | Security element and method for producing a security element |
| CN110789248B (en) * | 2019-10-12 | 2021-06-08 | 中钞印制技术研究院有限公司 | Encrypted anti-counterfeiting element |
| CN111439051B (en) * | 2020-04-28 | 2022-02-18 | 中钞印制技术研究院有限公司 | Security element and method for producing the same |
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| US4519632A (en) * | 1982-03-19 | 1985-05-28 | Computer Identification Systems, Inc. | Identification card with heat reactive coating |
| US5178722A (en) * | 1990-04-30 | 1993-01-12 | Toyo Bossan Kabushiki Kaisha | Method of producing a flexible metal and resin film laminate with holes |
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Inventor after: Bi Ming Inventor after: Xu Gezhao Inventor after: Xin Ke Inventor after: Ma Jian Inventor after: Shao Guowei Inventor after: Yang Xiuju Inventor after: Zhu Tongbo Inventor after: Wang Xue Inventor after: Chen Xudong Inventor after: Wan Haiyan Inventor before: Bi Ming Inventor before: Xin Ke Inventor before: Ma Jian Inventor before: Zhu Tongbo Inventor before: Wang Xue Inventor before: Chen Xudong Inventor before: Wan Haiyan Inventor before: Xu Gezhao |
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Effective date of registration: 20210416 Address after: 100070 8th floor, building 2, No.5 Zhonghe Road, Science City, Fengtai District, Beijing Patentee after: China Banknote Printing Technology Research Institute Co.,Ltd. Patentee after: CHINA BANKNOTE PRINTING AND MINTING Corp. Address before: 100070 science Road 5, Beijing, Fengtai District Patentee before: SECURITY PRINTING INSTITUTE OF PEOPLE'S BANK OF CHINA Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |
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Address after: 100070 8th floor, building 2, No.5 Zhonghe Road, Science City, Fengtai District, Beijing Patentee after: China Banknote Printing Technology Research Institute Co.,Ltd. Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: 100070 8th floor, building 2, No.5 Zhonghe Road, Science City, Fengtai District, Beijing Patentee before: China Banknote Printing Technology Research Institute Co.,Ltd. Patentee before: China Banknote Printing and mint General Company |