CN102642663A - Optical anti-counterfeiting mark for bottle cap - Google Patents
Optical anti-counterfeiting mark for bottle cap Download PDFInfo
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- CN102642663A CN102642663A CN2011103278513A CN201110327851A CN102642663A CN 102642663 A CN102642663 A CN 102642663A CN 2011103278513 A CN2011103278513 A CN 2011103278513A CN 201110327851 A CN201110327851 A CN 201110327851A CN 102642663 A CN102642663 A CN 102642663A
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Abstract
The invention relates to the field of optical anti-counterfeiting and discloses an optical anti-counterfeiting mark for a bottle cap. An anti-counterfeiting device layer is arranged below a protective buried layer in the bottle cap or at the connected part of the bottle cap and a bottle neck and consists of a square-meter layer and a concave-convex structure layer with periodicity. The anti-counterfeiting device layer is in a nano structure which is embossed or copied on a metal foil or an opaque high-reflectivity material by a template or grown on an opaque plane material layer. The optical anti-counterfeiting mark disclosed by the invention has the beneficial effects that an asymmetrical micro-nano structure is manufactured by adopting a micro/nano processing process developed from the modern micro electronic technique and further an optical color variable anti-counterfeiting device which cannot be copied by a laser hologram technology is designed and produced. The optical color variable anti-counterfeiting device is produced on a brittle plane layer and integrated on the bottle cap. When consumers use the purchased products, the anti-counterfeiting device is at least partially damaged.
Description
Technical field
The present invention relates to the optical anti-counterfeiting field, relate in particular to a kind of bottle cap and use the optics anti-false sign.
Background technology
With modern science and technology, like the color photocopying technology, the development of scanning and printing technique, it is more and more that counterfeit products etc. are invaded crime.These counterfeit products damage the rights and interests of customer and businessman greatly.Counterfeit to product, the businessman of present famous and precious drinks adopts exquisite bottled and packing to increase the anti-counterfeit capability of its product.What but these were exquisite is packaged in when increasing cost, is difficult to reach the antiforge function of simple and fast in fact.Because these packings possibly reclaimed and repeated usage by the lawless person; Complicated false proof design makes ordinary consumer be beyond recognition the true and false of product.
Summary of the invention
In order to solve the problems of the prior art, the invention provides a kind of bottle cap and use the optics anti-false sign, solve the problem that current ordinary consumer is beyond recognition the true and false of product.
The invention provides a kind of bottle cap and use the optics anti-false sign, the substrate of bottle cap once was provided with a security devices layer, and this security devices layer is made up of a plane layer and at least one periodic concaveconvex structure layer.This concaveconvex structure constitutes a pixel of pattern.This security devices layer is through template impression or is replicated on the metallic paper, or on the material of opaque high reflection, or is made up of the nanostructured of growing up on an opaque material.
As further improvement of the present invention, to spend in 80 degree visual angles 10 and to check, the color gamut that appears during above-mentioned security devices layer is contained all visible-ranges, promptly from the purple to the redness.
As further improvement of the present invention, the cross section of the pixel that said security devices layer is concavo-convex can have axial symmetry or have no axis of symmetry, the diff-H of structure in 50 nanometers between 500 nanometers.
As further improvement of the present invention, the pixel of the buckle layer of said security devices layer is rendered as square, circle, straight line at birds-eye view, have circular symmetry circular arc a part or have the symmetry of triple, five weights, sixfold overlooking direction.
As further improvement of the present invention, on said security devices layer, be provided with one at least and bury protective cover.
As further improvement of the present invention, the superencipher structure is set on the pixel on the said security devices layer or between the pixel again.
As further improvement of the present invention, said cryptographic structure is groove or outstanding structure, and width of groove or outstanding structure or length are in 150 nanometers or following, and the degree of depth or thickness are below 100 nanometers.
As further improvement of the present invention, said cryptographic structure has special magnetic, optical property, and said magnetic, optical texture have thickness between the 10-100 nanometer, and breadth wise dimension is in the cycle size of 50 nanometers to concaveconvex structure.
As further improvement of the present invention, the concaveconvex structure layer of said security devices layer splits into the sub patterns of several apart to a complete pattern, and each sub patterns has fixing pixel and cycle; Or split into several sub-patterns to a complete pattern, the several word patterns that splitted into several microns to tens of micro-meter scales, the pixel of each sub patterns in the space be near but not overlapping.
As further improvement of the present invention; Said security devices layer is that the employing that presents different colours has periodic concaveconvex structure layer and designs sub patterns; The cycle of said convex-concave structure (pixel) is 500 nanometers to 3 micron, the size of each pixel be the corresponding cycle 0.3-0.7 doubly.
The invention has the beneficial effects as follows: emphasis of the present invention is that the nano-micrometre processing technology preparation of adopting modern microelectronic technique to grow up does not have the concaveconvex structure/pixel of axial symmetry, designs and produce the optic metachromatic security devices that laser holography can't duplicate.Be prepared in this type device on the fragility thin slice and be integrated on the bottle cap.When customer's use had both been purchased product, security devices is partial destruction at least.Therefore the color-change optical security devices of the present invention's proposition can be eliminated the possibility that security devices is replicated or is repeated to use when satisfying customer's simple and fast identification authenticity of products.In addition, on the color-change optical security devices, introduce the function anti-counterfeit structure of one deck down, ensure that the present invention provides for businessman that the expert level defence identifies usefulness with the similar appraisal basis of fingerprint.
[description of drawings]
Fig. 1 is the physical principle scheme drawing of the reflective color-change optical security devices of the present invention.
Fig. 2 is the false proof design of variable color light of the present invention.The security devices layer has concavo-convex periodic structure 02 by a plane layer 01 and at least one and constitutes.The pattern of can the represented different cycles of employing figure designing different colours.
Fig. 3 is that the present invention constitutes the available pixels with different structural representation of optical anti-counterfeiting design, and 01 pixel is a square, the 02nd, and round, the 03rd, have the linear structure of certain width.
Fig. 4 pattern 00 is that the present invention adopts square pixel, different cycles (local amplifies 04,05 and 06) three parts of design-calculated (01,02 and 03), and pattern 01 is the color effects figure of group 00 under certain visual angle, 11,12 and 13 present different colours.
Fig. 5 is the principle of design of anti-fake mark of the present invention.
Fig. 6 pattern 00 is that the present invention adopts Fig. 5 principle of design design-calculated to have the linear pixel of certain width.Different pixels trend ( local amplifies 04,05 and 06) three parts of design-calculated (01,02 and 03), pattern 01 is the color effects figure of group 00 under certain visual angle, 11,12 and 13 present different colours.
Fig. 7 is the embodiment scheme drawing that the present invention utilizes principle of design Fig. 5.
Fig. 8 pattern 00 is that the present invention adopts same period on Fig. 7 basis, has the scheme drawing of different symmetry pixel design-calculated optical anti-counterfeiting devices.Cycle is identical, symmetry different pixels (local amplifies 04,05 and 06) three parts of design-calculated (01,02 and 03), and pattern 01 is the color effects figure of group 00 under certain visual angle, 11,12 and 13 present different colours.
Fig. 9 is the section drawing of the optical anti-counterfeiting of laser holography preparation of the present invention, and on bottle cap basalis 01, each pixel (convex-concave structure) of burying the security devices layer 02 between the protective cover 03 has smooth profile, and has at least one axis of symmetry 04.
Figure 10 is the false proof design section of the asymmetric light of a present invention scheme drawing, and the security devices layer is set on bottle cap basalis 01, and the security devices layer is made up of a plane layer and at least one concavo-convex periodic structure layer, on the security devices layer, has at least one to bury protective cover.
Figure 11 is that the present invention introduces superencipher design 02 on the pixel 01 of the anti-device of color-change optical or between the pixel.
Figure 12 is the security devices section drawing of superencipher of the present invention, the 01st, and the bottle cap basalis, the 02nd, the security devices layer is made up of a plane layer and at least one concavo-convex periodic structure layer, and superencipher structure 04 is set between the pixel of periodic structure or on the pixel.Have at least one to bury protective cover 03 on cryptographic structure and the security devices layer.
Figure 13 is that the present invention adopts security devices to be made up of the nano wire periodic structure of growing up on plane layer 01 and the plane layer.
Figure 14 is that the present invention adopts the structure with circular symmetry as anti-false sign.
[specific embodiment]
Below in conjunction with the description of drawings and the specific embodiment the present invention is further specified.
A kind of bottle cap is used the optics anti-false sign; The bottle cap basalis of bottle cap is provided with a security devices layer; This false proof layer is by a plane layer and at least one periodic concaveconvex structure/pixel layer; This security devices layer is to impress or be replicated on the metallic paper through template, or on the material of opaque high reflection, or the nanostructured of growth on an opaque material.
Spend in 80 degree visual angles 10 and to check that the color gamut that above-mentioned security devices layer appears is from the purple to the redness.
The cross section structure of the pixel of said security devices have axial symmetry or have no the symmetry axle, the diff-H of structure in 50 nanometers between 500 nanometers.
The birds-eye view of said security devices layer pixel/concaveconvex structure is square, circle, straight line, have circular symmetry circular arc a part or have triple, the five heavy and symmetric structures of sixfold overlooking direction.
Said security devices layer is provided with protective cover.
Concaveconvex structure (pixel) on the said security devices layer go up or structure between secondary is set cryptographic structure is arranged.
Said cryptographic structure is groove or outstanding structure, and width of groove or outstanding structure or length are in 150 nanometers or following, and the degree of depth or thickness are below 100 nanometers.
Said cryptographic structure is the structure with magnetic, optical property, and said magnetic, optical property have thickness between the 10-100 nanometer, breadth wise dimension in 50 nanometers in cycle size false proof.
It is the sub patterns of separating that said optical anti-counterfeiting layer splits into several spaces to a complete security pattern, and each sub patterns has fixing pixel and cycle; Or split into several sub-patterns to a complete pattern, the several word patterns that splitted into several microns to tens of micro-meter scales, the pixel of each sub patterns in the space be near but not overlapping.
Said security devices layer presents different colours, has periodic concaveconvex structure/pixel, and the cycle of said pixel/concaveconvex structure is 500 nanometers to 3 micron, the size of each pixel be the corresponding cycle 0.3-0.7 doubly.
The groundwork of color-change optical false proof (optically variable device) technology is to utilize optical interference or diffraction principle to make an anti-counterfeiting mark, and its color changes with the angle of vision, and its principle of work is as shown in Figure 1.Anti-false sign or pattern are to have convex-concave structure or optical grating constitution by the surface, when the surface texture size of these convex-concaves is suitable, when white light arrives the surface, on certain visual angle, have only the cycle of reflected wavelength lambda, surface texture to satisfy following equation
The time, reflected light receives the coherence stack of grating, on view directions, can see the pattern (wherein θ dm is the visual angle, and θ dm is an angle of incidence, and λ is a wavelength, and nd, ni are the optical refractive index of medium, and Λ is the cycle of structure) of this color.We call a pixel to this basic concaveconvex structure; Utilize the anti-false sign of such structure design; When changing macroscopic direction, the light of different colours can satisfy equation (1) successively, and anti-false sign just can present various colors with viewer's visual angle change like this.Modern color photocopying and printing technique, no matter how advanced, all can't duplicate such security pattern.Fig. 2 representes is one group convex-concave structure is identical or pixel is identical, different design of cycle.If we adopt Fig. 2 to represent in the pattern of security devices, adopt identical pixel design, different sub patterns adopts the different cycles to realize.Like this, we can see that different sub patterns presents various colors on identical visual angle, and when changing the visual angle, the part of different colours presents various colors again and changes.Look exactly like under the prerequisite in plain cycle not changing convex-concave structure; If change pixel overlook on the direction to moulding; As shown in Figure 3; Adopt the represented pixel of square, circular and straight line pie graph one, such pattern color can also present the various colors change procedure with the variation at visual angle.
Fig. 4 is employing same pixel, the concrete scheme drawing of different cycles design-calculated that adopts Fig. 2 to mention.The principle of design of the security pattern that the present invention relates to also can adopt shown in Figure 5, splits into a security pattern several sub-patterns that overlap.Each sub patterns spatially is divided into the pixel of 10-50 micron size, and the pixel of different piece spatially is right after continuous but does not overlap, and the pixel of same sub-image case is identical with the cycle to be designed.Such design can be seen the subdivision of different colours with the difference at visual angle on identical space.
Fig. 6 adopts the linear pixel of mentioning among Fig. 3, and the pixel of each sub patterns is identical, the cycle is identical, but moving towards of linear pixel is different, the optical effect scheme drawing of the security devices that designs like this.
Fig. 7 is instance of security pattern design-calculated.This is the design drawing of cutting apart of Wuliangye sign, can download on this sign network.Be divided into two different sub patterns to literal and pattern.Each subgraph of among Fig. 8 this being cut apart, we adopt same period, have different symmetric pixel design-calculated optical effect scheme drawings.
The change color anti-fake mark that the present invention adopts has and can not be used in the anti-counterfeiting technology of banknote by the advantage of duplicating and printing technique duplicates.Like 50 banknotes more than the face amount.Because banknote is repeatedly and long-term use, such anti-false sign will be printed on the flexible metallic paper usually, so just loses so false proof design-calculated comprehensive advantage greatly.The present invention makes full use of such change color optical principle and designs and be applicable to that bottled product (drinks, medicine and cosmetics) is false proof, especially the anti-counterfeiting technology on the bottle cap.Below we from structure design, set forth advance of the present invention and only one anti-counterfeit capability comprehensively aspect two of the realizations on bottle cap.
Anti-false sign like three kinds of represented pel array preparations commonly used of Fig. 3 has centrosymmetric cross section structure if adopt, and possibly have a kind of potential threat.That is exactly the anti-counterfeiting mark that expert with advanced 1aser holography technology can utilize commodity, and under the situation of broken also this anti-fake mark not, the azimuth mark of copying out with the naked eye is to be difficult to differentiate.This also is a deadly defect of antiforge laser holographic technology.The cross section of the anti-counterfeit structure of the preparation of antiforge laser holographic technology if watch at microscopically, has slick and sly structure without exception, and each pixel at least one axis of symmetry also, and is as shown in Figure 9, and do not have the border of Fig. 1 or right angle property shown in Figure 2.The micron/nano process technology that our anti-false sign adopts microelectronic technique to use, the optical anti-counterfeiting device that obtains like this has cross section structure as depicted in figs. 1 and 2, and such structure can't be duplicated by the light holographic technique but maybe be by imitated.For eliminating this potential threat, utilize present micro-nano-technology, security devices of the present invention can have cross section structure shown in Figure 10.With such cross section anti-false sign of constituting of the pixel of any axis of symmetry of tool not, only can see pattern and change color in the direction of surface texture hypotenuse.Even this anti-counterfeiting mark is imitated by the light holographic technique, counterfeit anti-false sign can be seen pattern and change color at both direction.Like this, anti-fake mark provided by the invention is stopped the counterfeit of holographic technique fully.In addition, the present invention also proposes the anti-counterfeiting technology-fingerprint technique of the twoth level.Based on the pixel of the optical anti-counterfeiting device of the change color that the present invention relates to, like the size of square or circle, or the width of straight line is in the 200-1000 nanometer.On the security devices of 5 millimeters sizes, have 100,000 small like this pixels at least.We are in the structure of preparation size below 100 nanometers on these pixels, and like groove structure, or yardstick has special light, electricity, magnetic material at 50-1000 nanometer integrated, and is shown in figure 11.Utilize these structures that the optical anti-counterfeiting device is carried out superencipher, can false proof beautiful fingerprint judging technique be provided for manufacturer or expert.Such design also can be stopped holographic counterfeit fully and false proof fingerprint identification function is provided.
Therefore this anti-counterfeiting technology of superencipher technique guarantee that the color-change optical security devices is carried out of this patent invention can be stopped the counterfeit of any holographic technique, but also the fingerprint identification function is provided for security devices.
Commercial now optic metachromatic anti-counterfeiting technology normally is buried in other layer of material the inside to the security devices with convex-concave structure, and is shown in figure 12.Can avoid the counterfeiter directly to carry out nano impression to surface texture like this and prepare new template, anti-false sign is carried out massive duplication.The technology of burying is not although it is so stopped imitated person on the principle, and especially such security devices is if be used for nonexpondable product such as banknote, and these anti-false signs must be wear-resisting.If imitated person has outstanding material and chemical knowledge, he is just wear-resisting these possibly, and the security devices of long-term use is separated from buried structure and duplicated, and obtains the security pattern the same with actual products.The nanometer superencipher technology that the present invention proposes, like optics, electricity or magnetics are encrypted, and imitated person can't know the details of encryption, therefore can't copy the imitation that can have fingerprint identification.In addition, the present invention will be integrated in the optic metachromatic security devices through superencipher on the bottle cap, and this device damages with bottle cap after the customer uses product.Such damage can make machinery, and is local with the bottle bonded assembly as being prepared in anti-false sign bottle cap.The present invention also can be integrated in such optical anti-counterfeiting device between the bottle cap and bottleneck in the bottle cap, and the outside is surrounded by transparent burying material.Burying material, like plastics, glass has the optical refractive index different with the optical anti-counterfeiting structure, but physics and chemically combining closely.After opening bottle cap, such optical anti-counterfeiting sign just is damaged.
What therefore, the present invention also stopped to have high metachemistry, micron/nano processing is knowledge with counterfeiter experience is counterfeit.
We can see the false proof design-calculated priority of color-change optical disclosed by the invention thus: simplicity of design is easy to customer identification, utilizing all counterfeiters such as duplicating, printing technique and laser hologram be imitative to stop outdoors.
The realization of the anti-fake mark that the present invention relates to:
1, the present invention can utilize microelectronic plated film, inscription, corrosion and electroplating technology to process template to security devices, also can be to this template superencipher;
2, utilize the technological massive duplication of template and nano impression (Nanoimprinting) anti-false sign cheaply, like annex Figure 15,16, shown in 17; Also can utilize the technological massive duplication of template and nano impression (Nanoimprinting) template of growing up cheaply; Be prepared into the security devices of nano thread structure base shown in figure 13, Figure 18 of annex is at an instance that utilizes the nano wire that grows out on the template of microelectronic technique preparation on the substrate;
3, the structure of utilizing the superencipher template that second step was obtained is encrypted;
The anti-false sign that obtained for the 3rd step is integrated on the bottle cap, or utilizes the template of the first step, directly integrated anti-false sign on bottle cap.
At the inner optical anti-counterfeiting device that adopts the non-laser holography preparation of change color of bottle cap (bottle, medicine bottle and cosmetics), these false proof design-calculated one big characteristics are exactly the variation at visual angle, and anti-false sign presents various colors.Optical anti-counterfeiting device in the bottle cap is nonrecoverable, just open bottle cap after, this sign just is damaged, can not repeated usage.Optical anti-counterfeiting device in the bottle cap be in being buried in bottle cap before, can be covered by one or more layers protective material, the function of this protective material can be to strengthen visual effect, or the requirement of food security or the two have concurrently; Optical anti-counterfeiting device in the bottle cap is that the transparent material of bottle cap is buried in inside, and the method for covering can make directly optical anti-counterfeiting sign imprinting and copying in bottle cap, is filling transparent burial layer or material.
In the design of this anti-fake bottle lid, bottle cap has two main portions, and the lower part is right after bottleneck, and top links to each other with the lower part; If the bottle cap inner sealing bottleneck (liquid flowing outlet), anti-fake mark at this moment is buried in up and down department junction of bottle cap, when bottle cap was opened, anti-false sign damaged automatically; If the bottle cap inner hollow has not sealed bottleneck (liquid flowing outlet), at this moment to add one deck safety guard-safeguard film at bottleneck, prevent that bottle interior liquid from flowing out.Bottle cap top has in one on the bottleneck protective film establishes layer, and security devices is in this layer.Establishing layer in this is fragility, and braking damaged security devices when bottle cap was opened.
Printing etc. is common counterfeitly duplicates counterfeit with the light with expertise and technology is holographic counterfeit with micron/nano stopping to duplicate in the present invention.On false proof resolution capability, because adopt simple and direct design and change color, ordinary consumer does not need this knowledge yet just can differentiate the true and false of mark with eyes very soon.Because be disposable use, such anti-fake mark can't be repeated to use, and can ensure the authenticity of consumer spending product.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (10)
1. a bottle cap is used the optics anti-false sign; It is characterized in that: be provided with a security devices layer below the protective cover burying of bottle cap; This layer is to impress or be replicated on the metallic paper through template, or on the material of opaque high reflection, or the nanostructured of growth on an opaque material.
2. bottle cap according to claim 1 is used the optics anti-false sign, it is characterized in that: spend when in 80 degree visual angles, checking said security devices 10, the change color scope that device appears from the purple of visible spectrum to redness.
3. bottle cap according to claim 1 is used the optics anti-false sign, it is characterized in that: the cross section structure of the minimum pixel of said security devices has axial symmetry or does not have asymmetric axle, the diff-H of structure in 50 nanometers between 500 nanometers.
4. bottle cap according to claim 1 is used the optics anti-false sign; It is characterized in that: in the birds-eye view of said security devices pixel for square, circle, straight line, have circular symmetry circular arc a part or have 3 weights on the direction of overlooking, 5 heavy and 6 the weight symmetry.
5. bottle cap according to claim 1 is used the optics anti-false sign, it is characterized in that: said security devices layer is provided with buries protective cover.
6. bottle cap according to claim 1 is used the optics anti-false sign, it is characterized in that: be provided with the superencipher structure on the pixel on the said security devices layer or between the pixel again.
7. bottle cap according to claim 6 is used the optics anti-false sign, it is characterized in that: said cryptographic structure is groove or outstanding structure, and width of groove or outstanding structure or length are in 150 nanometers or following, and the degree of depth or thickness are below 100 nanometers.
8. bottle cap according to claim 6 is used the optics anti-false sign; It is characterized in that: said cryptographic structure is the structure with magnetic, optical property; Said magnetic, optical property have thickness between the 10-100 nanometer, breadth wise dimension in 150 nanometers in cycle size false proof.
9. bottle cap according to claim 1 is used the optics anti-false sign, it is characterized in that: it is the sub patterns of separating that said security devices layer splits into several spaces to a complete pattern, and each sub patterns has fixing formation pixel and cycle; Or split into several sub-patterns to a complete pattern, several sub-patterns that splitted into several microns to tens of micro-meter scales, the pixel of each sub patterns in the space be near but not overlapping.
10. bottle cap according to claim 1 is used the optics anti-false sign; It is characterized in that: said security devices layer has periodic concaveconvex structure (or pixel) pattern array or basic structure for presenting the different colours employing; The cycle of said pel array is 500 nanometers to 3 micron, the size of each basic structure be the corresponding cycle 0.3-0.7 doubly.
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| CN2011103278513A CN102642663A (en) | 2011-10-26 | 2011-10-26 | Optical anti-counterfeiting mark for bottle cap |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104968577A (en) * | 2012-12-04 | 2015-10-07 | 法商亚宙维金斯安全公司 | Capping device and implementation method |
| EA027541B1 (en) * | 2015-09-17 | 2017-08-31 | Открытое Акционерное Общество "Научно-Производственное Объединение "Криптен" | Security device for a neck-type container |
| CN111559572A (en) * | 2020-06-12 | 2020-08-21 | 山东泰宝信息科技集团有限公司 | Point light source recognition laser encryption holographic anti-counterfeiting gasket and preparation method thereof |
| CN115576179A (en) * | 2022-10-08 | 2023-01-06 | 湖北宜美特全息科技有限公司 | Holographic image structure with layered superposition effect and manufacturing method thereof |
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| CN201686139U (en) * | 2009-10-28 | 2010-12-29 | 卢姝羽 | Bottle cap |
| CN202124190U (en) * | 2011-04-12 | 2012-01-25 | 卢姝羽 | Wine bottle cap |
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Application publication date: 20120822 |