CN205281974U - Security device - Google Patents
Security device Download PDFInfo
- Publication number
- CN205281974U CN205281974U CN201520868661.6U CN201520868661U CN205281974U CN 205281974 U CN205281974 U CN 205281974U CN 201520868661 U CN201520868661 U CN 201520868661U CN 205281974 U CN205281974 U CN 205281974U
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- Prior art keywords
- magnetic material
- mentioned
- magnetic field
- changeable
- magneticinduction
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on magneto-optical elements, e.g. exhibiting Faraday effect
- G02F1/091—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on magneto-optical elements, e.g. exhibiting Faraday effect based on magneto-absorption or magneto-reflection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/43—Marking by removal of material
- B42D25/435—Marking by removal of material using electromagnetic radiation, e.g. laser
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
- G01D15/12—Magnetic recording elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Credit Cards Or The Like (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Chemical & Material Sciences (AREA)
- Theoretical Computer Science (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Organic Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Printing Methods (AREA)
- Soft Magnetic Materials (AREA)
Abstract
The utility model discloses a security device, include: the variable material of magnetism contains the portion, contains when applied magnetic field changes, the variable material of magnetism that reverberation or transmitted light changed, magnetic field emergence portion, the production can be applyed in the magnetic field of the variable material of magnetism, and the wall, set up and contain between portion and the magnetic field emergence portion and adjust that the variable material of magnetism contains and the interval of magnetic field emergence portion in the variable material of magnetism, thereby adjust through the thickness on adjustment interval layer and apply in the intensity in the magnetic field of the variable material of magnetism to this changes from the light of the magnetism variable material portion of containing reflection or transmission.
Description
Technical field
The utility model relates to false proof device.
Background technology
For needing the expensive goods of protection or the false proof of content, layer proposes various technology. Prior art for commodity counterfeit prevention has the technology utilizing fine pattern, braille, hologram, RFID etc., but above-mentioned prior art has the whether false proof restriction that domestic consumer is difficult to differentiate commodity, or there is the problem that the false proof means of manufacture need to expend a lot of expense.
Therefore, the material that the present inventor utilizes variable color when applying a magnetic field or luminous transparency to change develops whether false proof method and the device that domestic consumer easily differentiates anti-counterfeiting object thing.
Practical novel content
The purpose of this utility model is to solve above-mentioned all problems.
The purpose of this utility model is to provide arrange wall between portion and magnetic field generating unit a kind of comprising at changeable magnetic material, thus is changed from the false proof device of the reflection of the changeable magnetic material portion of comprising or the light of transmission by the interval regulating changeable magnetic material to comprise portion and magnetic field generating unit.
In addition, the purpose of this utility model is the magnetic field providing a kind of basis to apply from magnetic field generating unit, magneticinduction pattern part is by magneticinduction (magneticinduction), thus can make to comprise the part reflection in portion or the false proof device of the light change of transmission from the changeable magnetic material relative with magneticinduction pattern.
In addition, the purpose of this utility model is to provide the 2nd applying magnetic field, magneticinduction portion of a kind of first magneticinduction portion one body extension relative to the portion that comprises with above-mentioned changeable magnetic material, thus can comprise the false proof device applying magnetic field on the different axle in portion from changeable magnetic material.
In addition, the purpose of this utility model is to provide a kind of position rotated or change magnetic field generating unit relative to the changeable magnetic material portion of comprising, thus changes from the false proof device of the reflection of the changeable magnetic material portion of comprising or the light of transmission.
In addition, the purpose of this utility model is to provide a kind of bonding force of a part being adhered to the adhesive portion that changeable magnetic material comprises portion different from the bonding force of rest part, thus when applying external force and comprise portion from bonding portion from changeable magnetic material, only changeable magnetic material comprises the separated false proof device of the part in portion.
In addition, the purpose of this utility model is to provide a kind of formation in the changeable magnetic material portion of comprising to intercept pattern, thus when applying external force and comprise portion from bonding portion from changeable magnetic material, the changeable magnetic material being only equivalent to intercept pattern comprises the separated false proof device of the part in portion.
In addition, the purpose of this utility model is to provide possess information film layer in portion and form the false proof device that image, pattern, word, figure, barcode etc. represent information in the face contacted with the changeable magnetic material portion of comprising a kind of comprising at changeable magnetic material.
In addition, the purpose of this utility model is to provide a kind of information expressed portion possessing image, pattern, word, figure, barcode etc. in the changeable magnetic material portion of comprising to represent the false proof device of information.
In addition, the purpose of this utility model is the magnetic field providing a kind of basis to apply in the magnetized portion that pattern form part is magnetized, accept the light from the reflection of the changeable magnetic material portion of comprising or transmission and itself and the pattern inputted or wavelength value are compared, thus judge the true and false whether false proof device.
The purpose of this utility model is achieved in that provides a kind of false proof device, comprising: changeable magnetic material comprises portion, comprises and works as the magnetic field applied when changing, the changeable magnetic material that reflected light or transmitted light change; Magnetic field generating unit, produces to apply in the magnetic field of changeable magnetic material; And wall, it is arranged at changeable magnetic material and comprises between portion and magnetic field generating unit and regulate changeable magnetic material to comprise portion and the interval of magnetic field generating unit; Thus the intensity applying the magnetic field in changeable magnetic material is regulated by the thickness of interval layer, change the light from the reflection of the changeable magnetic material portion of comprising or transmission with this.
Above-mentioned wall comprises at least one in air (air) layer, thin film layer, film layers, laminated layer, adhesive linkage, information presentation layer, phase change material (phasechangematerials) layer.
Regulated the intensity applying the magnetic field in changeable magnetic material by the thickness of interval layer, change the light from the reflection of the changeable magnetic material portion of comprising or transmission with this.
Regulated the intensity applying the magnetic field in changeable magnetic material by the susceptibility of interval layer, change the light from the reflection of the changeable magnetic material portion of comprising or transmission with this.
Above-mentioned wall comprises light absorbing zone, and above-mentioned light absorbing zone can change the light from the reflection of the changeable magnetic material portion of comprising or transmission.
Above-mentioned wall comprises transparent or semitransparent light-transmitting layer, and above-mentioned light-transmitting layer can change the light from the reflection of the changeable magnetic material portion of comprising or transmission.
At least one side at above-mentioned light-transmitting layer can form image, pattern, word, figure, barcode etc.
Above-mentioned changeable magnetic material comprises portion or above-mentioned magnetic field generating unit is bent to form, and applies external force be out of shape by comprising portion or above-mentioned magnetic field generating unit to above-mentioned changeable magnetic material, thus changes the magnetic field applying to comprise portion in above-mentioned changeable magnetic material.
Above-mentioned changeable magnetic material can be coated elastic base plate and become by the above-mentioned changeable magnetic material portion of comprising.
Above-mentioned wall is made up of elastic material, and makes above-mentioned wall change, by external force deformation, the magnetic field applying to comprise portion in above-mentioned changeable magnetic material.
In addition, the purpose of this utility model is achieved in that provides a kind of false proof device, comprising: changeable magnetic material comprises portion, comprises and works as the magnetic field applied when changing, the changeable magnetic material that reflected light or transmitted light change; Magnetic field generating unit, possesses the side comprising portion in above-mentioned changeable magnetic material, and produces to apply in the magnetic field of changeable magnetic material; And magneticinduction portion, possess another side comprising portion in above-mentioned changeable magnetic material, according to the magnetic field applied from above-mentioned magnetic field generating unit, at least partially by magneticinduction (magneticinduction).
Above-mentioned magneticinduction portion can be formed as by the magneticinduction pattern in the region of magneticinduction.
The part reflection in portion is comprised or the light of transmission can be changed at the above-mentioned changeable magnetic material relative with above-mentioned magneticinduction pattern.
In addition, the purpose of this utility model is achieved in that provides a kind of false proof device, comprising: changeable magnetic material comprises portion, comprises and works as the magnetic field applied when changing, the changeable magnetic material that reflected light or transmitted light change; First magneticinduction portion, relative at least partially with the above-mentioned changeable magnetic material portion of comprising; 2nd magneticinduction portion, at above-mentioned first magneticinduction portion one body extension; And magnetic field generating unit, produce can apply in the magnetic field in the 2nd magneticinduction portion.
According to the magnetic field that above-mentioned magnetic field generating unit applies, 2nd magneticinduction portion is by while magneticinduction, with the above-mentioned first magneticinduction portion of above-mentioned 2nd magneticinduction portion one body extension by magneticinduction, and can be changed from the light of the above-mentioned changeable magnetic material portion of comprising relative with above-mentioned first magneticinduction portion reflection or transmission.
In addition, the purpose of this utility model is achieved in that provides a kind of false proof device, comprising: changeable magnetic material comprises portion, comprises and works as the magnetic field applied when changing, the changeable magnetic material that reflected light or transmitted light change; And magnetic field generating unit, produce to apply in the magnetic field of changeable magnetic material; And above-mentioned magnetic field generating unit comprises at least one permanent magnet or variable magnet.
Above-mentioned magnetic field generating unit rotates relative to the above-mentioned changeable magnetic material portion of comprising or changes position, changes the light from the reflection of the changeable magnetic material portion of comprising or transmission with this.
Comprise between portion and above-mentioned magnetic field generating unit at above-mentioned changeable magnetic material, also can comprise the magnetized portion possessing at least one layer.
In addition, the purpose of this utility model is achieved in that provides a kind of false proof device, comprising: changeable magnetic material comprises portion, comprises and works as the magnetic field applied when changing, the changeable magnetic material that reflected light or transmitted light change; And adhesive portion, it is formed at the side that above-mentioned changeable magnetic material comprises portion, so that the above-mentioned changeable magnetic material portion of comprising is attached to any object; And the bonding force at least partially of above-mentioned adhesive portion is greater than the rest part except an above-mentioned part.
When applying external force and comprise portion from above-mentioned bonding portion from above-mentioned changeable magnetic material, the part that the above-mentioned changeable magnetic material being adhered to an above-mentioned part comprises portion maintains bonding state, and the part that the above-mentioned changeable magnetic material being only adhered to the part except an above-mentioned part comprises portion is separated.
An above-mentioned part can be patterned.
In addition, the purpose of this utility model is achieved in that provides a kind of false proof device, comprising: changeable magnetic material comprises portion, comprises and works as the magnetic field applied when changing, the changeable magnetic material that reflected light or transmitted light change; And adhesive portion, it is formed at the side that above-mentioned changeable magnetic material comprises portion, so that the above-mentioned changeable magnetic material portion of comprising is attached to any object; And formed in the changeable magnetic material portion of comprising and intercept pattern, thus apply external force from above-mentioned any object be separated above-mentioned changeable magnetic material comprise portion time, it is separated that the changeable magnetic material being only equivalent to intercept pattern comprises the part in portion.
In addition, the purpose of this utility model is achieved in that provides a kind of false proof device, comprising: changeable magnetic material comprises portion, comprises and works as the magnetic field applied when changing, the changeable magnetic material that reflected light or transmitted light change; Information film layer, possesses and comprises in portion and face formation image, pattern, word, figure, the barcode etc. that are contacting with the changeable magnetic material portion of comprising in above-mentioned changeable magnetic material; And magnetic field generating unit, produce can apply in the magnetic field of above-mentioned changeable magnetic material.
In addition, the purpose of this utility model is achieved in that provides a kind of false proof device, comprise comprising and work as the magnetic field applied when changing, the changeable magnetic material of the changeable magnetic material that reflected light or transmitted light change comprises portion, and the above-mentioned changeable magnetic material portion of comprising possesses the information expressed portion of image, pattern, word, figure, barcode etc.
Above-mentioned information expressed portion is removed above-mentioned changeable magnetic material by method choice ground such as perforation (punching), laser illumination, UV irradiations and is comprised portion and become.
In addition, the purpose of this utility model is achieved in that provides a kind of false proof device, comprising: magnetized portion, possesses certain pattern and above-mentioned pattern part is magnetized; Changeable magnetic material comprises portion, comprises and works as the magnetic field applied when changing, the changeable magnetic material that reflected light or transmitted light change; And light-receiving part, according to the magnetic field applied from above-mentioned magnetized portion, accept the light from the reflection of the above-mentioned changeable magnetic material portion of comprising or transmission.
Above-mentioned light-receiving part by the group that more inputted or wavelength value and according to the above-mentioned pattern of above-mentioned magnetized portion from whether the wavelength of the reflection of the above-mentioned changeable magnetic material portion of comprising or the light of transmission judges the true and false.
Above-mentioned changeable magnetic material can be set to when apply above-mentioned magnetic field time, reflection preset wavelength light or with default transmission transmitted light.
Above-mentioned changeable magnetic material comprises at least one in portion, above-mentioned magnetic field generating unit and can at least one form in label, card, film and paster form.
Above-mentioned changeable magnetic material can comprise the solution that the change being dispersed with according to the magnetic field applied changes the magnetic particle of mutual interval or position.
Above-mentioned changeable magnetic material can comprise at least one in fluorescent substance, phosphorescence material, quantum dot (QuantumDot) material, (TemperatureIndicating) material that shows temperature and optically variable pigments (OVP, OpticallyVariablePigment) material.
Above-mentioned changeable magnetic material can be encapsulated as the capsule being made up of transmitance material.
According to the utility model, change the light from the reflection of the changeable magnetic material portion of comprising or transmission by the interval regulating changeable magnetic material to comprise portion and magnetic field generating unit.
In addition, according to this utility model, according to the magnetic field applied from magnetic field generating unit, magneticinduction pattern part is by magneticinduction (magneticinduction), thus can make the light change of the part reflection comprising portion from the changeable magnetic material relative with magneticinduction pattern or transmission.
In addition, according to the utility model, the different axle in portion can apply magnetic field comprising from changeable magnetic material.
In addition, according to the utility model, rotate or change the position of magnetic field generating unit relative to the changeable magnetic material portion of comprising, thus change the light from the reflection of the changeable magnetic material portion of comprising or transmission.
In addition, according to the utility model, when applying external force and comprise portion from bonding portion from changeable magnetic material, the variable material of detachable magnetic comprises the part in portion.
In addition, according to the utility model, when applying external force and comprise portion from bonding portion from changeable magnetic material, it is separated that the changeable magnetic material being only equivalent to intercept pattern comprises the part in portion.
In addition, according to the utility model, the information film layer comprised in portion by changeable magnetic material represents the information such as image, pattern, word, figure, barcode.
In addition, according to the utility model, the information such as image, pattern, word, figure, barcode can be represented in the changeable magnetic material portion of comprising.
In addition, according to the utility model, according to the magnetic field that the magnetized portion being magnetized in pattern form part applies, accept the light from the reflection of the changeable magnetic material portion of comprising or transmission and itself and the pattern inputted or wavelength value are compared, thus whether judge the true and false.
Accompanying drawing explanation
Fig. 1 is the exemplary plot of the principle representing the wavelength regulating the light from the reflection of changeable magnetic material according to an embodiment of the present utility model;
Fig. 2 is the schematic diagram of the result of the color change representing the changeable magnetic material that shooting shows when applying the magnetic field of varying strength according to an embodiment of the present utility model;
Fig. 3 is the schematic diagram of the graphic representation representing the wavelength measuring the light from the reflection of changeable magnetic material according to an embodiment of the present utility model according to the varying strength in magnetic field;
Fig. 4 A is the SEM photograph schematic diagram of the magnetic particle forming the changeable magnetic material according to an embodiment of the present utility model; Fig. 4 B represents the changeable magnetic material according to an embodiment of the present utility model with, after the encapsulated being made up of transmitance material, applying the photo schematic diagram that magnetic field makes its light reflecting grass green series;
Fig. 5 A to Fig. 5 C is according to an embodiment of the present utility model, the pattern of butterfly-like shape is formed on changeable magnetic material top, and after changeable magnetic material bottom arranges the magnet of the magnetic pole being arranged alternately the magnetic field producing varying strength with strip, changed the color of changeable magnetic material and the observation photo schematic diagram of pattern by rotary magnet;
Fig. 6 A to Fig. 6 B is the exemplary plot of the formation representing the luminous transparency changing changeable magnetic material according to an embodiment of the present utility model;
Fig. 7 A to Figure 18 is the formation exemplary plot of the false proof device according to various embodiment of the present utility model.
Nomenclature
10: changeable magnetic material 11: particle
12: solvent 13: capsule
100: changeable magnetic material comprises portion 200,700: magnetic field generating unit
300: wall 400: light absorbing zone
500: light-transmitting layer 600,800: magneticinduction portion
610: magneticinduction pattern 810: the first magneticinduction portion
820: the two magneticinduction portions 900: adhesive portion
1000: information film layer 1100: magnetized portion
1200: light-receiving part F: external force
L: light
Embodiment
Will be described later to detailed explanation of the present utility model, with reference to exemplarily representing the accompanying drawing that can implement specific embodiment of the present utility model. Above-described embodiment is described in detail, so that the abundant embodiment the utility model of those skilled in the art. Although various embodiment of the present utility model is different, but does not mutually repel. Such as, in this specified shape recorded, structure and characteristic, if do not exceed spirit of the present utility model and scope about an embodiment, then other embodiments can be embodied as. In addition, as long as not exceeding spirit of the present utility model and scope, position or the arrangement of the indivedual integrants in each embodiment proposed likely are changed. Therefore, will detailed explanation described later not restrictive, and scope of the present utility model comprises all scopes of the content equalization advocated with claim book. In the accompanying drawings, similar Reference numeral represents same or similar function in various.
Below, by reference to the accompanying drawings formation of the present utility model is described in detail, so that the utility model person of ordinary skill in the field easily implements the utility model.
[formation of changeable magnetic material]
According to an embodiment of the present utility model, the particle being contained in changeable magnetic material has magnetic, rotate to carry out when being subject to the magnetic force in magnetic field or move, such as, particle can comprise the magnetic substances such as nickel (Ni), iron (Fe), cobalt (Co).
In addition, according to an embodiment of the present utility model, particle can comprise and possesses magnetic when applying a magnetic field, the material being namely magnetized. Especially, according to an embodiment of the present utility model, for preventing the phenomenon when not applying magnetic field from outside with the particle condensation of magnetic, can use and produce magnetization (magnetization) when an external magnetic field is applied, but superparamagnetic (superparamagnetic) material of residual magnetization (remnantmagnetization) does not occur when not applying external magnetic field.
In addition, according to an embodiment of the present utility model, do not condense for making particle easily be scattered in solvent, the electric charge of ion surface same-sign can be coated with, and, for making particle unit be deposited in solvent, particle surface is used for the material coating of this particle different specific weight or is mixed in other materials of this particle different specific weight in a solvent.
In addition, according to an embodiment of the present utility model, particle has particular color to reflect the light of specific wavelength. Specifically, regulate by oxidation state according to particle of the present utility model or the applying implenent of mineral dye, dyestuff etc. for particular color. Such as, coat the mineral dye according to particle of the present utility model and can use the oxide compound of Zn, Pb, Ti, Cd, Fe, As, Co, Mg, Al etc. of comprising chromophoric group, sulfide, vitriol etc., and coat the dyestuff according to particle of the present utility model and can use fluorescence dye, matching stain, basic dyestuff, mordanting dye, thioxine dyes, vat dyes, dispersed dye, chemically-reactive dyes etc. In addition, according to an embodiment of the present utility model, the particle being contained in changeable magnetic material can comprise fluorescent substance, phosphorescence material, quantum dot (QuantumDot) material, show temperature (TemperatureIndicating) material and optically variable pigments (OVP, OpticallyVariablePigment) material etc.
In addition, according to an embodiment of the present utility model, for making particle have high dispersion and stability in solvent, silicon-dioxide, polymer, high polymer monomer etc. can be coated the surface of particle.
In addition, according to the diameter of particle of the present utility model can be tens nanometer to some tens of pm, but unrestricted.
Then, the formation being contained in the solvent according to changeable magnetic material of the present utility model is specifically described.
According to an embodiment of the present utility model, for making particle evenly disperse, solvent can by with there is purchasing of the proportion similar with the proportion of particle form, and can be made up of the material of the particle-stabilised dispersion being suitable in solvent, such as, can comprise there is low specific inductivity halogen carbon oil, dimethyl silicone oil etc.
In addition, according to an embodiment of the present utility model, solvent has particular color to reflect the light of specific wavelength. Specifically, comprise the material with mineral dye, dyestuff according to solvent of the present utility model, or comprise the material with the schemochrome by photonic crystal.
In addition, according to an embodiment of the present utility model, magnetic particle is evenly dispersed to fat-soluble solvent, to prevent particle mutually condenses or is adhered to inside capsule wall in encapsulation process.
But, it is not limited to the above-mentioned scope enumerated according to the formation of particle of the present utility model and solvent, suitable change can be carried out in the scope reaching the utility model object.
Then, to be contained in the particle according to changeable magnetic material of the present utility model and solvent is packed or distinguish formation be specifically described.
According to an embodiment of the present utility model, the state encapsulation that particle can be scattered in solvent is the multiple capsules being made up of transmitance material. According to an embodiment of the present utility model, the direct or indirect interference such as volume is mixed between mutually different capsules are prevented by encapsulation particle and solvent, thus each independently control can be contained in the particle of changeable magnetic material, realize the Transmission light of more various pattern, improve luminous transparency control characteristic further.
Such as, form the material according to the capsule of an embodiment of the present utility model and can use gelatin, gum arabic, trimeric cyanamide, urea, protein, polysaccharide etc., and the material for fixing capsule (that is, tackiness agent) can be used. But, formation according to capsule of the present utility model is not limited to the above-mentioned example enumerated, as long as possess transmitance, physicals is strong, not hard, there is elasticity, imporosity, the material that the heat of outside and the antagonism of pressure is strong, any material can be used as the material of capsule of the present utility model.
In addition, according to an embodiment of the present utility model, the state that particle can be scattered in solvent is distinguished. According to an embodiment of the present utility model, the direct or indirect interference such as be mixed between the different units divided by next door can be prevented, thus independently can control to be contained in will comprise the particle in portion by changeable magnetic material described later by each capsule.
Fig. 1 is the exemplary plot of the principle representing the wavelength regulating the light from changeable magnetic material 10 reflection according to an embodiment of the present utility model.
According to an embodiment of the present utility model, when to there is magnetic and multiple particles 11 with electric charge apply magnetic field on surface, then because of magnetic that each particle 11 has, particle 11 is amesiality by the magnetic gravitation of certain orientation, thus the distance between particle 11 is diminished, meanwhile, produce the electric repulsion (when particle is with similar face electric charge) according to Coulomb's law or the physics magnetic force (because being attached to the detection functional group of particle surface, when the hydromeehanics size of particle is big) according to steric hindrance effect. Therefore, the spacing between particle 11 depends on the gravitation because magnetic field produces and the relative size because of the repulsion between the particle of electric charge generation, and the particle 11 arranged at a certain distance can play the effect of photonic crystal. That is, according to Bragg's equation, depend on the spacing between particle 11 from the wavelength of the light of particle 11 reflection, therefore, regulate the wavelength of the light reflected from particle 11 by the spacing between control particle 11.
At this, the pattern of the wavelength of the light reflected shows various situation according to factors such as the concentration of divided particles in the quantity of electric charge of the magnetization value of the specific refractory power of the size of the intensity in magnetic field and direction, particle and quality, particle and solvent, particle, particle, solvent.
As shown in Figure 1, when not applying magnetic field, the likely irregular alignment of the particle in capsule 13, now, can not send other color from particle 11. Then, when applying certain magnetic field, then the repulsion between the particle 11 that the gravitation of magnetic field generation and electric charge produce reaches balance, makes particle 11 regularly arranged at a certain distance, thus the multiple particles 11 obtaining control from interval reflect the light of specific wavelength. In addition, become big when applying the intensity in the magnetic field of particle 11, then the gravitation that magnetic field produces also increases thereupon, and the spacing between particle 11 becomes narrower, thus the wavelength making the light from particle 11 reflection becomes shorter. That is, according to an embodiment of the present utility model, by regulating the intensity applying the magnetic field in particle 11, the wavelength of the light reflected from particle 11 is regulated. When the increase along with magneticstrength, exceed visible rays scope from the wavelength of the subreflexive light of grain and enter ultraviolet scope, then particle does not reflect visible rays and carries out transmission, thus increases luminous transparency.
In addition, according to an embodiment of the present utility model, as shown in Figure 1, the capsule 13 that the changeable magnetic material being made up of particle 11 and solvent 12 can be made up of Transmission light material encapsulates.
Fig. 2 is the schematic diagram of the result of the color change representing the changeable magnetic material that shooting shows when applying the magnetic field of varying strength according to an embodiment of the present utility model.
As shown in Figure 2, along with regulating the intensity in magnetic field applied, from the subreflexive light of grain can from redness to grass green and all regions of the visible rays wavelength region of purple regulate.
Fig. 3 is the schematic diagram of the graphic representation representing the wavelength measuring the light from the reflection of changeable magnetic material according to an embodiment of the present utility model according to the varying strength in magnetic field, can confirm that the intensity along with the magnetic field applied increases, move to the light of the short blue system of wavelength from the light of the red system of wavelength length gradually.
Fig. 4 A is the SEM photograph schematic diagram of the magnetic particle forming the changeable magnetic material according to an embodiment of the present utility model. In figure 4b, the superparamagnetic Fe3O4 particle between 50m��300nm is used as particle.
Fig. 4 B represents the changeable magnetic material according to an embodiment of the present utility model with, after the encapsulated being made up of transmitance material, applying the photo schematic diagram that magnetic field makes its light reflecting grass green series. As shown in Figure 4 B, it is regularly arranged that the particle in capsule presses specific interval according to magnetic field, thus key reflections is as the light of the grass green system of particular range of wavelengths.
Fig. 5 A to Fig. 5 C is according to an embodiment of the present utility model, the pattern of butterfly-like shape is formed on changeable magnetic material top, and after changeable magnetic material bottom arranges the magnet of the magnetic pole being arranged alternately the magnetic field producing varying strength with strip, changed the color of changeable magnetic material and the observation photo schematic diagram of pattern by rotary magnet.
In addition, according to an embodiment of the present utility model, changeable magnetic material can comprise and has magnetic and swim specific particle.
Specifically, if applying magnetic field to the changeable magnetic material according to an embodiment of the present utility model, the particle then with magnetic can move to the direction identical with magnetic field or reverse direction, thus represents the intrinsic color that particle has or the intrinsic color that solvent has.
In addition, according to an embodiment of the present utility model, changeable magnetic material can comprise the material that can change luminous transparency when applying a magnetic field.
Fig. 6 A to Fig. 6 B is the exemplary plot of the formation representing the luminous transparency changing changeable magnetic material according to an embodiment of the present utility model.
As shown in the figure, comprising portion according to the changeable magnetic material of an embodiment of the present utility model and can comprise multiple particles 11, solvent 12 and the capsule 13 with magnetic, and in capsule 13, the state that multiple particles 11 with magnetic can be scattered in solvent 12 is comprised.
First, as shown in Figure 6A, when the variable material of non-magnetotropism comprises applying magnetic field, portion, have magnetic multiple particles 11 can in capsule irregular pink colour, now, the transmission being incident to the light of changeable magnetic material is in the state of special control. That is, the light being incident to changeable magnetic material is by multiple particles 11 scattering of irregular dispersion or reflection, thus relative reduction luminous transparency.
Then, as shown in Figure 6B, if applying magnetic field to above-mentioned changeable magnetic material, then the multiple particles 11 with magnetic in capsule 13 are along the direction parallel with the direction in magnetic field arrangement, thus can control to be incident to the transmission that changeable magnetic material comprises the light in portion.
Specifically, if applying magnetic field according to a variable material of embodiment magnetotropism of the present utility model, then there is magnetic or each spinning of multiple particles 11 being magnetized or movement originally, so that the direction from S pole to N becomes identical with the direction in magnetic field. Rotate like this or the N pole of each particle 11 of movement and S pole because of S pole and the N pole change with the particle 11 of periphery closely, between multiple particle 11, produce magneticpull or repulsion, thus make multiple particle 11 regularly arranged along the direction parallel with field direction. That is, multiple particle 11 can along regularly arranged to the direction that the direction in the magnetic field applied is parallel with upper and lower, and now, the light being incident to changeable magnetic material is reduced by the degree of the scattering of multiple particle 11 or reflection, thus relative reduction luminous transparency.
[formation of false proof device]
According to an embodiment of the present utility model, changeable magnetic material can be comprised and comprise portion 100 [please refer to Fig. 7 A to Figure 18] and magnetic field generating unit 200 [please refer to Fig. 7 to Figure 10].
First, according to an embodiment of the present utility model, changeable magnetic material comprises portion 100 and can comprise and work as the magnetic field applied when changing, the changeable magnetic material that reflected light or transmitted light change. Specifically, it is contained in the changeable magnetic material that changeable magnetic material comprises portion 100 and can form (or setting) for when the magnetic field of applying certain strength and direction, reflect the light of specific wavelength or show specific light transmission, and as will be described later, such changeable magnetic material can make the true and false that general user's naked eyes confirm anti-counterfeiting object thing whether.
In addition, according to an embodiment of the present utility model, changeable magnetic material comprises portion 100 can be configured to the form destroyed when opening anti-counterfeiting object thing, therefore, after anti-counterfeiting object thing is opened, even if the variable material of magnetotropism applies magnetic field, the reflected light of changeable magnetic material or transmitted light can not change, thus changeable magnetic material cannot reflect the light of preset wavelength or show the transmission of default light.
Then, according to an embodiment of the present utility model, magnetic field generating unit 200 plays the effect producing to apply the magnetic field in changeable magnetic material. According to an embodiment of the present utility model, magnetic field generating unit 200 can be formed according to default pattern, so that changeable magnetic material represents default color or default luminous transparency with certain group. Such as, magnetic field generating unit can be configured to produce the magnetic field in certain intensity and direction according to the shape as the LOGO of benchmark, word, barcode, figure etc. when differentiating anti-counterfeiting object thing whether false proof.
In addition, according to an embodiment of the present utility model, also possesses the response played as to outside stimulus, by change magnetic field apply in changeable magnetic material state (namely, the intensity in magnetic field, direction or pattern), change the boot portion (not shown) of the effect of the expression state of changeable magnetic material. At this, applying the outside stimulus in boot portion can by be confirmed the true and false whether user of anti-counterfeiting object thing, the user that will open anti-counterfeiting object thing and to be used the user etc. of anti-counterfeiting object thing to initiate.
Specifically, boot portion according to an embodiment of the present utility model, play as the response to outside stimulus, carry out moving, rotate or bending, thus changeable magnetic material is comprised the effect that portion 100 moves to the region applying the magnetic field that magnetic field generating unit 200 produces.
In addition, boot portion according to an embodiment of the present utility model, play as the response to outside stimulus, carry out moving, rotate, bending or destroyed, thus the changeable magnetic material that changeable magnetic material comprises portion 100 will be contained in move to the effect in the region applying the magnetic field that magnetic field generating unit 200 produces.
In addition, according to the boot portion of an embodiment of the present utility model, play as the response to outside stimulus, carry out moving, rotate or bending, thus magnetic field generating unit 200 is moved to and can apply the effect in region in magnetic field by the variable material of magnetotropism.
Below, by reference to the accompanying drawings the various embodiments of false proof device of the present utility model are described in detail.
Fig. 7 A to Figure 18 is the formation exemplary plot of the false proof device according to various embodiment of the present utility model. False proof device according to following embodiment is assumed to be made with forms such as label, card, film and pasters, but not by the restriction of these forms.
First, as shown in Fig. 7 A to Fig. 7 C, changeable magnetic material can be comprised according to the false proof device of an embodiment of the present utility model and comprise portion 100, magnetic field generating unit 200 and be arranged at changeable magnetic material and comprise between portion 100 and magnetic field generating unit 200 and regulate changeable magnetic material to comprise the wall 300 (310,320,330) of interval d of portion 100 and magnetic field generating unit 200.
As long as changeable magnetic material can be regulated to comprise the interval d of portion 100 and magnetic field generating unit 200, the formation of wall 300 is unrestricted. Therefore, wall 300 can comprise air (air) layer, thin film layer, film layers, laminated layer, adhesive linkage, pattern etc. and represent the information presentation layer of information, changes phase change material (phasechangematerials) layer etc. of phase (phase) [or volume] according to factors such as heat, humidity, pH, electricity, light, and multilayer can be formed by stacking by these. Fig. 7 A represents the embodiment using gas cloud 310 as wall 300, and Fig. 7 B represents the embodiment using laminated layer 320 as wall, and Fig. 7 C represents the embodiment using three layers 330 (331,332,333) as wall.
Wall 300 thickness d by regulating a layer, or the thickness d of during stacking multilayer multiple layers, regulate the intensity in the magnetic field applied from the variable material of magnetic field generating unit 200 magnetotropism, thus change and comprise portion 100 from changeable magnetic material and reflect or the light L of transmission. Thus have can control false proof device color, visibility etc. effect.
Such as, if the thickness d making wall 300 is thinning, then the variable material of magnetic field generating unit 200 magnetotropism applies high-intensity magnetic field, thus the interval between particle 11 is diminished, and reflection is close to red wavelength; And in contrast, if the thickness d making wall 300 becomes thick, then the variable material of magnetic field generating unit 200 magnetotropism applies low-intensity magnetic field, thus making the interval between particle 11 become big, reflection is close to blue wavelength
In addition, it is possible to by the permeability of interval layer 300, regulate the intensity in the magnetic field applied from the variable material of magnetic field generating unit 200 magnetotropism, thus change and comprise portion 100 from changeable magnetic material and reflect or the light L of transmission.
The thickness of the false proof device according to an embodiment of the present utility model can be that 1 universe is to number cm. In addition, the ratio that wall 300 is shared in thickness can be 5% to 90%.
, as shown in Figure 8, then in the false proof device according to an embodiment of the present utility model, wall 300 can comprise light absorbing zone 400. Although light absorbing zone 400 being represented for the formation different from wall 300 in fig. 8, but because of by regulating the thickness of light absorbing zone 400 to regulate the intensity applying the magnetic field in changeable magnetic material, thus, it is to be understood that be also included within wall 300 for light absorbing zone 400.
Light absorbing zone 400 can be the film layers with certain colors such as black, redness, bluenesss. When the film layers with certain color is used as light absorbing zone 400, the light that comprises portion 100 because of transmission changeable magnetic material and reflected in light absorbing zone 400 and comprise the light L' reflected in portion 100 from changeable magnetic material overlapped or interfere, has the effect that can change color, visibility etc. In addition, because light absorbing zone 400 absorbs particular range of wavelengths, thus the light because reflecting from light absorbing zone 400 can be solved and comprise the light L' reflected in portion 100 from changeable magnetic material overlapped or interfere and the problem of distinct color cannot be realized. Such as, if black film is used as light absorbing zone 400, then because light absorbing zone 400 absorbs the light of wide wavelength region, significantly reduce and comprise from changeable magnetic material that the light of portion 100 reflection is overlapping, interference problem, thus significantly improve visibility.
Then, as shown in Figure 9, in the false proof device according to an embodiment of the present utility model, wall 300 can comprise transparent or semitransparent light-transmitting layer 500. Although light-transmitting layer 500 being represented for the formation different from wall 300 in fig .9, but because of by regulating the thickness of light-transmitting layer 500 to regulate the intensity applying the magnetic field in changeable magnetic material, thus, it is to be understood that be also included within wall 300 for light-transmitting layer 500.
At least one side at light-transmitting layer 500 can form pattern 510, image, word, figure, barcode etc. Because of different from forming the light L' of part reflection of pattern 510 grade and never form the light L of wavelength region that the part of pattern 510 grade reflects, thus there is the effect comprising portion 100 confirm the shape of pattern 510 grade outside certain color by changeable magnetic material.
Then, as shown in Figure 10, in the false proof device according to an embodiment of the present utility model, comprise portion 100, magnetic field generating unit 200 or wall 300 by the variable material of magnetotropism to apply external force F and be out of shape, change the intensity in magnetic field applying to comprise portion 100 in changeable magnetic material, thus change and comprise portion 100 from changeable magnetic material and reflect or the light (L �� L') of transmission.
As shown in (a) of Figure 10, changeable magnetic material can be coated elastic base plate formation changeable magnetic material and comprise portion 100a. When not applying external force F, changeable magnetic material comprises the light L that portion 100a reflects preset wavelength, if but apply external force F, then because changeable magnetic material comprises the bending 100a' of portion 100a, compress spacer layer 300, thus the part of (d1 �� d2) is changed at thickness, apply the intensity in the magnetic field that changeable magnetic material comprises portion and change, change the wavelength of the light L' of reflection with this. Comprise elastic base plate because changeable magnetic material comprises portion 100a, when releasing the state applying external force F, then recover original state and reflect the light L of preset wavelength.
In addition, wall 300 can be made to be made up of elastic material, thus when applying external force F, wall 300 is out of shape, change the intensity in magnetic field applying to comprise portion 100 in changeable magnetic material, thus change and comprise portion 100 from the variable material of magnetic core and reflect or the light (L �� L') of transmission, and when not applying external force F, make wall 300 recover original state and reflect the light L of preset wavelength.
In addition, changeable magnetic material is made to comprise portion 100 or magnetic field generating unit 200 is bent to form, and apply external force F to curved part and change the intensity in magnetic field applying to comprise portion 100 in changeable magnetic material, thus change and comprise portion 100 from changeable magnetic material and reflect or the light (L �� L') of transmission.
Then, as shown in figure 11, false proof device according to an embodiment of the present utility model, magnetic field generating unit 700 can be possessed in the side that changeable magnetic material comprises portion 100, and another side in portion 100 is comprised at changeable magnetic material, possess according to the magnetic field applied from magnetic field generating unit 700, at least partially by the magneticinduction portion 600 of magneticinduction (magneticinduction).
Magneticinduction portion 600 can be formed as by the magneticinduction pattern 610 in the region of magneticinduction, and magneticinduction pattern 610 becomes by magnetizable materials such as coating iron powders. When magnetic field generating unit 700 comprises the top in portion 100 close to changeable magnetic material, not only comprise portion 100 from the magnetic field generating unit 700 variable material of magnetotropism and apply magnetic field, and, also apply magnetic field from magneticinduction portion 600, especially produce magneticinduction at magneticinduction pattern 610 and amplify the intensity of magnetic force. Therefore, the part 110 that the changeable magnetic material applying the magnetic field through amplifying comprises portion 100 can be changed, the wavelength ((L �� L') of the light that the part 110 namely comprising portion 100 from the changeable magnetic material relative with magneticinduction pattern 610 reflects. Such as, when magneticinduction pattern 610 is formed with image or written form, then comprise the confirmation figure the same with magneticinduction pattern 610 or the written form above in portion 100 by changeable magnetic material.
As mentioned above, false proof device according to the present embodiment, one attachment changeable magnetic material comprises portion 100 and magneticinduction portion 600 on anti-counterfeiting object thing, also have and make magnetic field generating unit 700 comprise the top in portion 100 close to changeable magnetic material, thus confirm the effect of pattern immediately.
Then, as shown in Figure 12 A to Figure 12 B, false proof device according to an embodiment of the present utility model, can comprise changeable magnetic material comprise portion 100 comprise the first relative at least partially magneticinduction portion 810 of portion 100 with above-mentioned changeable magnetic material, in the 2nd magneticinduction portion 820 of above-mentioned first magneticinduction portion 810 1 body extension and produce the magnetic field generating unit 700 that can apply magnetic field in the 2nd magneticinduction portion 820.
As illustrated in fig. 12, first magneticinduction portion 810 and the 2nd magneticinduction portion 820 are integrated, changeable magnetic material comprises portion 100 and has overlapping part in the vertical direction with the first magneticinduction portion 810, and does not have overlapping part in the vertical direction with the 2nd magneticinduction portion 820. First magneticinduction portion 810 and the 2nd magneticinduction portion 820 are integrated, and are not physically separated, and therefore, naturally are made as suitable by identical material.
As shown in Figure 12 B, if magnetic field generating unit 700 not the variable material of magnetotropism comprise portion 100 and the first magneticinduction portion 810 applies magnetic field, and magnetic field is only applied to the 2nd magneticinduction portion 820, then while the 2nd magneticinduction portion 820 is by magneticinduction, with the first magneticinduction portion 810 of the 2nd magneticinduction portion 820 1 body extension also by magneticinduction. Portion 100 can be comprised apply magnetic field by the variable material of magnetotropism by the first magneticinduction portion 810 of magneticinduction, therefore, the light of part reflection or the transmission comprising portion 100 from the changeable magnetic material relative with the first magneticinduction portion 810 can be changed.
As mentioned above, false proof device according to the present embodiment, even if not making magnetic field generating unit 700 comprise portion 100 close to changeable magnetic material, also can comprise from changeable magnetic material on the different axle in portion 100, indirectly apply magnetic field by the first magneticinduction portion 810 and the 2nd magneticinduction portion 820 and whether confirm the true and false.
Then, as shown in Figure 13 A to Figure 13 D, according to the false proof device of an embodiment of the present utility model, the magnetic field generating unit 700 (710,720) that changeable magnetic material comprises portion 100 and is made up of at least one permanent magnet or variable magnet can be comprised.
As shown in Figure 13 A and Figure 13 B, rotate by utilizing rotary means (not shown) or mobile means (not shown) or change the position of magnetic field generating unit 700, change and comprise portion 100 from changeable magnetic material and reflect or the light (L �� L') of transmission.
As shown in Figure 13 C and Figure 13 D, magnetic field generating unit 700 can possess multiple 710,720. As shown in fig. 13 c, if magnetic field generating unit 710,720 being arranged to the magnetic field that the variable material of magnetotropism comprises the two ends applying same magnetic in portion 100, then the two ends of magnetized portion 800 are magnetized, thus make to comprise the light L of center portion reflection in portion 100 from changeable magnetic material and the wavelength of light L' from two ends reflection becomes different. As illustrated in figure 13d, if magnetic field generating unit 710,720 being arranged to the magnetic field that opposite magnetic is executed at the two ends that the variable material of magnetotropism comprises portion 100, then the entirety of magnetized portion 800 is magnetized, thus makes to comprise the center portion in portion 100 and the light L of two ends reflection from changeable magnetic material " wavelength become identical.
In addition, magnetic field generating unit 700 may be combined with permanent magnet and variable magnet, or is formed with multiple layers. Therefore, by regulate apply from magnetic field generating unit 700 the polarity in magnetic field, intensity, amplification, interference etc., regulate and comprise portion 100 from changeable magnetic material and reflect or the light of transmission. In addition, magnetized portion 800 is also formed with multiple layers, thus regulated the polarity from the magnetic field that magnetic field generating unit 700 applies, intensity, amplification, interference etc.
Then, as shown in Figure 14 A, false proof device according to an embodiment of the present utility model, comprise changeable magnetic material to comprise portion 100 and be formed at the side that changeable magnetic material comprises portion, so that the changeable magnetic material portion of comprising is attached to the adhesive portion 900 of any object (not shown) [or commodity], and the bonding force at least partially of adhesive portion 900 is different from the bonding force of rest part 920.
A part 910 patternables and there is the forms such as image, word, figure, barcode. When bonding force when a part of 910 is greater than the bonding force of rest part 920, because a part 910 and changeable magnetic material comprise portion 100 strong adherence, when comprising portion 100 from any object (not shown) separation changeable magnetic material, likely only it is separated a part, and rest part is not separated.
As shown in Figure 14B, when applying external force F separation changeable magnetic material and comprise portion 100, the part 120 that the changeable magnetic material being adhered to a part 910 comprises portion 100 maintains by bonding state, and the part 100b that the changeable magnetic material being only adhered to the rest part 920 except a part 910 comprises portion 100 is separated.
Therefore, once comprise portion 100 from object separation changeable magnetic material, a part of 100b comprising portion 100 because of changeable magnetic material is damaged, thus prevents false proof device from again being used. In addition, even if when being separated changeable magnetic material and comprise portion 100, portion 120 is comprised, thus can to continue to retain provable any object be the information of certified products because the part 910 at the patterning of the strong adhesive portion 900 of bonding force is still attached with changeable magnetic material.
Then, as shown in fig. 15, false proof device according to an embodiment of the present utility model, comprise changeable magnetic material to comprise portion 100 and be formed at the side that changeable magnetic material comprises portion, so that the changeable magnetic material portion of comprising is attached to the adhesive portion 900 of any object (not shown) [or commodity], and comprises portion 100 at changeable magnetic material and form intercepting pattern P.
The integral part of adhesive portion 900 can be identical, and intercept pattern P and can adopt the forms such as image, word, figure.
As shown in fig. 15b, when applying external force F separation changeable magnetic material and comprise portion 100, the part 130 being only equivalent to intercept pattern P is separated, and rest part 140 maintains by bonding state. In contrast, the part 130 being equivalent to intercept pattern P maintains by bonding state, and rest part 140 is separated. Such as, when intercepting the written form that pattern P is " certified products ", when being separated changeable magnetic material and comprise portion 100, the part 130 being equivalent to intercept pattern P is separated, and rest part 140 maintains the state being adhered to any object (not shown) with the written form of " certified products ".
Therefore, once comprise portion 100 from object separation changeable magnetic material, because changeable magnetic material comprises portion 100 breakage, thus prevent false proof device from again being used. In addition, even if when being separated changeable magnetic material and comprise portion 100, because a part 140 is still attached on any object, thus can to continue to retain provable any object be the information of certified products.
Then, as shown in figure 16, false proof device according to an embodiment of the present utility model, comprising: changeable magnetic material comprises portion 100, magnetic field generating unit 200 and possesses and comprises in portion and at the information film layer 1000 comprising face formation image 1010, pattern, word, figure, barcode etc. that portion 100 contacts with changeable magnetic material in changeable magnetic material.
Information film layer 1000 can be made up of the material of light-transmissive. Information film layer 100 is because forming image 1010 etc. comprising the face that portion 100 contacts with changeable magnetic material, thus can directly confirm image 1010 etc. from outside, and prevents from forging arbitrarily image 1010 from outside.
In addition, for more effectively preventing separate information thin film layer 1000 from forging the phenomenon of image 1010, can make to be arranged at information film layer 1000 and changeable magnetic material to comprise the bonding force of the adhesive portion between portion 100 (not shown) not identical, or comprise portion 100 at changeable magnetic material and formed and intercept pattern (not shown) [please refer to Figure 14 to Figure 15].
Then, as shown in figure 17, according to the false proof device of an embodiment of the present utility model, also can comprise the changeable magnetic material possessing image, pattern, word, figure, barcode etc. and comprise portion 100. Information expressed portion 150 is removed changeable magnetic material by method choice ground such as perforation (punching), laser illumination, UV irradiations and is comprised the part in portion 100 and become. Because changeable magnetic material comprises, portion 100 possesses information expressed portion 150, prevent on the commodity of other kinds, reuse changeable magnetic material and comprise portion 100.
Then, as shown in figure 18, false proof device according to an embodiment of the present utility model, comprise and possess certain pattern 1110 and magnetized portion 1100 that pattern 1110 part is magnetized, according to the magnetic field comprising portion 100 from changeable magnetic material and magnetized portion 1100 applies, accept to comprise portion 100 from changeable magnetic material and reflect or the light-receiving part 1200 of light of transmission.
The pattern 1110 of magnetized portion 1100 becomes by magnetizable materials such as coating iron powders. Comprise portion 100 from changeable magnetic material to reflect or the value of the pattern of light L, L' of transmission or wavelength can should with group 1110 shape of magnetized portion 1100.
Light-receiving part 1200 can be made up of photorectifier, reflects or light L, L' of transmission to accept comprising portion 100 from changeable magnetic material. Light-receiving part 1200 is by by the pattern of the light pre-entered or wavelength value and comprise, from changeable magnetic material, light L, L' that portion 100 accepts and compare and whether judge the true and false.
As mentioned above, it is necessary, according to the false proof device of the present embodiment, the pattern or the wavelength value that accept to be equivalent to the light of certified products compare with light L, the L' comprising portion 100 acceptance from changeable magnetic material, thus whether can confirm the true and false more accurately. Especially, reflecting or the pattern of light L, L' or the wavelength value of transmission can not use naked eyes identification because comprising portion 100 from changeable magnetic material, therefore, if being formed as pattern 1110, then can prevent from further forging.
In addition, also can comprise the false proof means added of at least one utilized in hologram, RFID (RadioFrequencyIDentification) and human body information identification according to false proof device of the present utility model, thus improve the antifalse effect to object further.
As mentioned above, the utility model is illustrated with concrete element and specific item and limited embodiment, and this is just in order to help understanding provided by the utility model, the utility model is not by the restriction of the above-mentioned fact, it will be understood by those within the art that, it is possible to the utility model is modified, is out of shape or equivalent replacement.
Above-described embodiment is only in order to illustrate the utility model and unrestricted, and not departing from spirit and scope of the present utility model, the change impartial or of equal value with claim book all should be encompassed in the middle of right of the present utility model.
Claims (11)
1. a false proof device, it is characterised in that, comprising:
Changeable magnetic material comprises portion, comprises and works as the magnetic field applied when changing, the changeable magnetic material that reflected light or transmitted light change;
Magnetic field generating unit, possesses the side comprising portion in above-mentioned changeable magnetic material, and produces to apply in the magnetic field of changeable magnetic material; And
Magneticinduction portion, possesses another side comprising portion in above-mentioned changeable magnetic material, according to the magnetic field applied from above-mentioned magnetic field generating unit, at least partially by magneticinduction.
2. false proof device according to claim 1, it is characterised in that: above-mentioned magneticinduction portion is formed as by the magneticinduction pattern in the region of magneticinduction.
3. false proof device according to claim 2, it is characterised in that: comprise the part reflection in portion or the light of transmission is changed at the above-mentioned changeable magnetic material relative with above-mentioned magneticinduction pattern.
4. a false proof device, it is characterised in that, comprising:
Changeable magnetic material comprises portion, comprises and works as the magnetic field applied when changing, the changeable magnetic material that reflected light or transmitted light change;
First magneticinduction portion, relative at least partially with the above-mentioned changeable magnetic material portion of comprising;
2nd magneticinduction portion, at above-mentioned first magneticinduction portion one body extension; And
Magnetic field generating unit, produces can apply in the magnetic field in the 2nd magneticinduction portion.
5. false proof device according to claim 4, it is characterized in that: the magnetic field applied according to above-mentioned magnetic field generating unit, 2nd magneticinduction portion is by while magneticinduction, with the above-mentioned first magneticinduction portion of above-mentioned 2nd magneticinduction portion one body extension by magneticinduction, and it is changed from the light of the above-mentioned changeable magnetic material portion of comprising relative with above-mentioned first magneticinduction portion reflection or transmission.
6. a false proof device, it is characterised in that, comprising:
Changeable magnetic material comprises portion, comprises and works as the magnetic field applied when changing, the changeable magnetic material that reflected light or transmitted light change; And
Magnetic field generating unit, produces to apply in the magnetic field of changeable magnetic material;
And above-mentioned magnetic field generating unit comprises at least one permanent magnet or variable magnet.
7. false proof device according to claim 6, it is characterised in that: above-mentioned magnetic field generating unit rotates relative to the above-mentioned changeable magnetic material portion of comprising or changes position, changes the light from the reflection of the changeable magnetic material portion of comprising or transmission with this.
8. false proof device according to claim 7, it is characterised in that: comprise between portion and above-mentioned magnetic field generating unit at above-mentioned changeable magnetic material, also comprise the magnetized portion possessing at least one layer.
9. a false proof device, it is characterised in that, comprising:
Changeable magnetic material comprises portion, comprises and works as the magnetic field applied when changing, the changeable magnetic material that reflected light or transmitted light change; And
Adhesive portion, is formed at the side that above-mentioned changeable magnetic material comprises portion, so that the above-mentioned changeable magnetic material portion of comprising is attached to any object;
And the bonding force at least partially of above-mentioned adhesive portion and the rest part except an above-mentioned part.
10. false proof device according to claim 9, it is characterized in that: when apply external force from above-mentioned any object be separated above-mentioned changeable magnetic material comprise portion time, the part that the above-mentioned changeable magnetic material being adhered to an above-mentioned part comprises portion maintains bonding state, and the part that the above-mentioned changeable magnetic material being only adhered to the part except an above-mentioned part comprises portion is separated.
11. false proof devices according to claim 9, it is characterised in that: an above-mentioned part is patterned.
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| CN201510375526.2A Active CN106200201B (en) | 2014-12-03 | 2015-06-30 | It prevents from forging adulterium device |
| CN201510373228.XA Active CN105676486B (en) | 2014-12-03 | 2015-06-30 | For preventing from forging the magnetic generation device to alter and preventing forgery adulterium system using the device |
| CN201510375365.7A Active CN106200200B (en) | 2014-12-03 | 2015-06-30 | The manufacturing method of photonic crystal display device and photonic crystal display device |
| CN201520868661.6U Active CN205281974U (en) | 2014-12-03 | 2015-11-03 | Security device |
| CN201520869593.5U Expired - Fee Related CN205594249U (en) | 2014-12-03 | 2015-11-03 | Wireless recognition device that charges |
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| CN201510375526.2A Active CN106200201B (en) | 2014-12-03 | 2015-06-30 | It prevents from forging adulterium device |
| CN201510373228.XA Active CN105676486B (en) | 2014-12-03 | 2015-06-30 | For preventing from forging the magnetic generation device to alter and preventing forgery adulterium system using the device |
| CN201510375365.7A Active CN106200200B (en) | 2014-12-03 | 2015-06-30 | The manufacturing method of photonic crystal display device and photonic crystal display device |
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| KR102296852B1 (en) * | 2015-06-26 | 2021-09-01 | 엘지디스플레이 주식회사 | Magnetic display device |
| KR101837710B1 (en) * | 2015-11-27 | 2018-03-13 | 한국과학기술연구원 | anti-counterfeiting and re-use prevention structure, a method for manufacturing the same and method for discriminating the re-use and anti-counterfeiting using the same |
| KR102559091B1 (en) * | 2016-04-29 | 2023-07-24 | 엘지디스플레이 주식회사 | Photonic Crystal Optical elements and Display Device using the Same |
| KR102152408B1 (en) * | 2016-12-07 | 2020-09-04 | 주식회사 나노브릭 | A label for authenticating genuine having hidden image effect and manufacturing method tehreof |
| KR102071444B1 (en) * | 2017-12-29 | 2020-03-02 | 한국조폐공사 | Microcapsule comprising fluorescent material |
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| CN106200201B (en) | 2019-09-24 |
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