CN1188450A - Articles employing magnetic security feature - Google Patents

Articles employing magnetic security feature Download PDF

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Publication number
CN1188450A
CN1188450A CN96194990A CN96194990A CN1188450A CN 1188450 A CN1188450 A CN 1188450A CN 96194990 A CN96194990 A CN 96194990A CN 96194990 A CN96194990 A CN 96194990A CN 1188450 A CN1188450 A CN 1188450A
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China
Prior art keywords
mentioned
security feature
filiform
metal
safe
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CN96194990A
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Chinese (zh)
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安德鲁·达梅斯
杰兰特·戴维斯
阿拉里克·奈曼
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Crane and Co Inc
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Crane and Co Inc
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Priority to CN96194990A priority Critical patent/CN1188450A/en
Publication of CN1188450A publication Critical patent/CN1188450A/en
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Abstract

Articles for use with security documents are disclosed which include planchettes and security threads that comprise a plastic substrate having at least one security feature employing soft magnetic metal located thereon. Preferred articles comprise at least two security features where a first security feature is made up of an optionally repeating pattern of soft magnetic metal adapted to generate a signal or a series of signals in an interrogation field applied by a detection system for remote detecting and optionally for remote reading or identifying the article. A second security feature is a public security feature that comprises magnetic and/or non-magnetic metal formed indicia. The first and second security features of this invention can be coextensive features.

Description

Adopt the goods of magnetic security feature
Invention field
The present invention relates to the goods that general machine detection and optional machine readable and visual checking are used for secure file, these goods provide the evaluation characteristic of uniqueness and the anti-tamper security of a reinforcement.These are suitable for differentiating as pad and securing band or squeeze equally, as label.The invention still further relates to the safety paper that has adopted such goods.
Background of invention
As everyone knows, secure file is less by sneak into multi-form material in file body is forged or palms off.In manufacture process, can introduce these materials and can form continuous filiform or belt polyester, regenerated cellulose, tygon chlorine or other plastic foil.These materials also can adopt the plastics and/or the paper of shim-like.Such false proof device is coated with layer of metal and/or hard (promptly permanent) magnetisable material usually.United States Patent (USP) U.S.Pat.No.4,652,015 and European patent EP 0279880 currency that describe and that use in the U.S. at present on filiform, plate and then can show positive image symbol or mark just like metal levels such as aluminium; Or in European patent EP 0279880 and European patent EP 0319157 that describe and in currency, use at present then can show negative image symbol or mark as German mark by the metal boundary definition.Such filiform can be confirmed by public's vision and has or not traditional filiform detecting device of conduction feature and detected by machine on filiform by detecting.Be coated with the filiform of magnetic material layer or pad can by depend on inherent magnetic properties such as magnetic permeability, retentivity, hysteresis loop and coercivity depend on the uncontinuity of giving other special magnetic properties of material such as magnetic material or in magnetic material code variation and detected by suitable device.
The applied magnetic examples of material comprises in the safety paper field: European patent EP 0310707 A2 discloses the filiform that applies the magnetic oxide bar code.Can there be different thickness in the zone of bar shaped or bar code, and the result detects different magnetic intensities.These differences in the bar shaped thickness are hidden in covering or the coating.United States Patent (USP) U.S.Pat.No.5196681 also is disclosed in the method that applies the magnetic oxide bar code on the filiform.The zone of bar shaped or bar code consequently can detect coercivity difference at the barcode size or text field by the product manufacturing of different range., these zones also have different thickness and have consequently caused different detectable magnetic strength.Therefore, this documents proposes might obtain two kinds of different output readings in the zone of numerous bar shapeds or bar code by changing the magnetic field of pointing to the zone; And United States Patent (USP) U.S.Pat.No.4183989 discloses the filiform that is coated with magnetic material and is coated with luminous or nonmagnetic material.It is contemplated that in the printing style of goods and include magnetic material along the length of filiform.
For above-mentioned, Research Disclosure also further proposes magnetic material (as the alloy of nickel, cobalt, iron or above-mentioned material) and can be used for forming United States Patent (USP) U.S.Pat.No.4652015 and European patent EP 0319157 disclosed character or continuous metal path in the publication number of publishing in March, 1,991 32354.
Above-mentioned documents is used or is proposed to use and comprises the so-called magnetic material that has greater than high coercivity " firmly " magnetic material of 10 kilo-ampere/rice.As above-mentioned, these materials can be detected by the remanent magnetization that is exposed to behind the magnetic field.Or in manufacture process or only, before detecting, apply magnetic field.The additional materials that is used in this application comprises as ferritic magnetic with as the thin slice or the ribbon of the crystal magnetic material of nickel.(seeing that European patent EP 0310707 A2 the 7th hurdle 1-6 is capable)
In traditional detection method, use such material require: as the combination of independent characteristic; Use the material magnetization of high magnetic force field; Use with the sensitive magnetic read head that is used to detect., when read head and magnetic characteristic very near or when in fact contacting (as the 0.01-0.10 millimeter) read and must take place.
Magnetic material also uses in the electronic products surveillance fields.Goods monitor or there is the feature of development in (ID) system of evaluation, and promptly in conjunction with the magnet unit of several separation, and each unit provides a difference for the inquiry field that applies and replys.In this case, when the inquiry field was applied on the label or tag, replying of the various feature that receives can be by electronic processes separated (i.e. " decoding ") with identification label or mark.But characteristics of decomposition can be used as frequency, magnetic strength connection threshold value or some both combinations and is identified., this usage does not need to adopt characteristic layer or small scale pattern as thin as a wafer.
The magnetic material that is used in this application comprises low coercivity " soft " magnetic material that has less than 100 peace/rice, with a weak relatively magnetic field, can inquire by certain distance.These materials are split hair control unique and require wholesale investment device in manufacture process.
The magnetic material examples of applications comprises in the electronic products surveillance fields: United States Patent (USP) U.S.Pat.4940966 discloses label or tag and has used the various magnet unit that brings, such unit or have different ferrimagnet components and therefore have a large amount of magnetic nonlinear characteristics, perhaps have several approaching mutually different magnetic soft and/or hard and/or semihard unit (the variation combination of these different units has the feature of various objectives and causes specific magnetic characteristic); And United States Patent (USP) U.S.Pat.4960651 discloses the anti-stealing label or tag made from an amorphousmetal glass film.Require film thickness to be not more than 6 microns,, thickness is open as query less than 500 millimicrons (nm) or 5000 dusts (A), if in fact can reach, " surperficial blocking action becomes to take as the leading factor and inquiring mouthful signal weaker by the label acquisition " (seeing that United States Patent (USP) U.S.Pat.4960651 the 5th hurdle 1-4 is capable) here.
To demand that the secure file goods that make its more difficult forgery are provided and to being fit to needs that automated validation or remote sensing detects in sustainable growth.
Therefore, an object of the present invention is to provide the goods that are used for secure file, and have the security feature of at least one thin layer of using soft magnetic material and in non-contact detection system, be fit to High-Speed Automatic authentication.
A special purpose of the present invention provides the goods of at least two security features of a use, but comprises the public security feature of a soft magnetism security feature and visual verification.
Another object of the present invention provides one the machine readable soft magnetism security feature of mutual reinforcement and the goods of public security feature is provided.
Another object of the present invention provides a safety paper that has used such goods.
Summary of the invention
The invention provides goods and a confirmation method such as a label that is used for secure file, it comprises the security feature that at least one uses soft magnetic metal.In most preferred embodiment, the invention provides goods that comprise at least two security features, first security feature is a detectable and optional machine readable security feature of being made up of the repeat pattern of optional soft magnetic metal of machine, and second security feature is the public security feature that comprises the mark of magnetic and/or nonmagnetic metal formation.
The present invention also provides a safety paper with goods, as above-mentioned definition, above small part is inlayed and/or placed.
Above-mentioned and further feature of the present invention and advantage will become more obvious by following description and accompanying drawing.
Brief description of drawings
Fig. 1 is the skeleton view of a most preferred embodiment of goods of the present invention, and these goods adopt the form of first and second security features as safe filiform.
Fig. 2 is the skeleton view of another most preferred embodiment, and first security feature of goods of the present invention contrasts the filiform form herein, has the magnetic metal zone that increases thickness so that different magnetic reactions is provided.
Fig. 3 is the plan view of another most preferred embodiment of goods of the present invention, and in the form of filiform safety, first security feature and second security feature are to strengthen feature mutually herein.
Fig. 4 is the plan view of goods of the present invention, with pad or sheet form, adopts first and second security features.
The explanation of most preferred embodiment
Though the present invention is common in the following description and safety paper interrelates, as bank note or the like, the present invention is not limited to this.Goods of the present invention can be used in any file or are used for the evaluation way of authentication purpose.
The use of goods of the present invention comprises the goods with analogous shapes such as filiform, pad or thin slices.
When exchanging magnetometer with the frequency measurement of 10 KHz (kHz)~100kHz, the magnetic metal of being attempted to be used for the security feature or first security feature by the present invention is the soft magnetic metal that has less than the low coercivity of 5000 peace/rice (A/m).Best soft magnetic metal has the coercivity of 5000A/m of about 50A/m~approximately, preferred aspect then be approximately between 100A/m~about 2000A/m.Soft magnetic metal attempt to prove for the roughness of mechanically deform and recovery rate and had from about 200 to about 100,000 high inherent relative permeability, proof is being lower than about 10, the saturation degree of the downfield of 000A/m, and in the middle distance with the magnetic characteristic that applies magnetic field (as 1 to 2mm) is checked, have enough the highland and provide and can measure the magnetic nonlinearity of coordinating signal.Best soft magnetic metal comprises the soft magnetic metal of amorphous metal glass material such as non-crystaline amorphous metal, comprises alloy based on cobalt/iron, based on the alloy of iron/nickel with based on the alloy of cobalt/nickel.Suitable can be from the VacuumschmelzeGmbH of German trade mark based on cobalt/nickel alloy, Postfach 2253, D-63412, Hanau obtains: Vacuumschmelze6025 (66% cobalt (Co), 4% iron (Fe), 2% molybdenum (Mo), 16% silicon (Si) and 12% boron (B)); Vacuumschmelze 6030 (being similar to Vacuumschmelze6025, about 70%Co, principal component not on a small quantity); With Vacuumschmelze 6006 (46%Co, 26%Ni, 4%Fe, 16%Si and 8%B).Being suitable for can be from Allied-Signal based on the alloy of iron/nickel, lnc., and the registered trademark NJ 07054 of Parsippany obtains: Allied Metglas 2714 and 2704.Under certain specific analysis condition, such material has provided non crystalline structure.
It is unrestricted and comprise soft hard magnetic metal to be used for the magnetic metal of the present invention's second security feature.
Nonmagnetic metal of the present invention comprises aluminium, nickel and silver, and best metal is an aluminium.
Contrast legend in detail, best article of the present invention is usually by reference number 10 expressions.Goods 10 of the present invention comprise a plastic 12 with at least one soft magnetic metal security feature that has adopted to place this substantially.The most preferred embodiment of the goods 10 that legend is described comprises a plastic 12 with two security features, and first security feature 14 comprises the repeat pattern 16 of an optional soft magnetic metal herein; Second security feature 18 comprises the symbol 20 that magnetic and/or nonmagnetic metal form.The optional repeat pattern 16 of first security feature 14 comprises at least one soft magnetic metal zone 22 and at least one separated region 24, and these zones are along arranging with style 16 optional replacing on the extension length of plastic 12 herein.When the data/evaluation/name inquiry process of goods 10 experience any appropriate, marker space 24 allows that the magnetic in adjacent metal zone 22 is accurate mutually independent.In other words, even the detectable character of marker space 24 has the detection difference that also can not disturb the signal that takes place by adjacent metal zone 22.
In Fig. 1, goods 10 are with the shape of safety filiform, and style 16 comprises magnetic metal zone 22 and 24, two zone employings of separated region right-angle structure.The symbol 20 that metal forms is positioned at as magnetic metal and forms on the magnetic metal zone 22 and the separated region 24 as the metal symbol of symbol.In the embodiment of another preferred aspect, as shown in Figure 2, the style 16 of goods 10 (equally with the safety filiform), comprise three magnetic metal zone 22a, b, c that increase thickness, so that zone and three separated region 24a, b, c that adopt the dollar mark () structure of different magnetic nature are provided.The symbol 20 that metal forms be located among magnetic metal 22a, b, the c of style 16 and between.In other words, adopt the symbol 20 of the metal formation of dollar mark () structure to strengthen mutually with separated region 24a, b, c.The mutual reinforcement clauses and subclauses of Shi Yonging are that the expression motif area has identical space boundary with symbol herein.Fig. 3 represents another preferred aspect embodiment of the present invention, and the magnetic metal zone 22 of first security feature 14 and second security feature 18 is strengthened mutually herein.As in Fig. 3, the symbol 20 that the metal of second security feature 18 forms is the magnetic metal symbols that form the magnetic metal zone 22 of first security feature 14.Fig. 4 represents that according to pad of the present invention the separated region 24 of first security feature 14 and second security feature 18 is to strengthen mutually herein.Especially, the symbol 20 of metal formation forms the separated region 24 of first security feature 14.
The plastic 12 of goods 10 of the present invention can be clearly any or translucent and be best is non magnetic and the non-conducting material manufacturing.These materials comprise polyester, regenerated cellulose, poly-ethyl ester chlorine and other plastic foil, and optimal material is a polyester.Such film keeps can't harm and preferably having the width of about 0.5mm~3.0mm in paper-making process.
The optional repeat pattern 16 of the present invention's first security feature 14 comprises at least one soft magnetic metal zone 22 and at least one separated region 24, along arranging with style 16 optional replacing on the extension length of plastic 12.The arrangement of other imagination comprises the piece in many magnetic metals zone 22, adopts the magnetic metal of varying number, is separated by separated region 24.Separated region 24 allows that the magnetic of adjacent domain 22 is mutually accurate independent, and this zone 24 can be adopted the no metallic region form of magnetic or be adopted to compare with contiguous magnetic metal zone 22 has plated area format that deperms.Magnetic metal zone 22 and separated region 24 can adopt arbitrary shape or structure.
By the definite magnetic permeability function influence of shape, and by the influence of thickness to the coercivity of magnetic, here shape (as yardstick and thickness) is determined magnetic response, and each magnetic metal zone 22 best thickness of goods 10 of the present invention are that about 0.10~about 10 μ m and preferred aspect thickness are about 0.10~about 0.50 μ m.Each metallic region 22 that same best is has the length along the widthwise edge of plastic 12 of the 10mm of an interval approximately 0.1mm~approximately.It is 200~10,000 that best article 10 with the magnetic metal zone 22 of adopting above-mentioned best scale should provide relatively between the magnetic permeability value optimal zone of the magnetic of being determined by shape.So high magnetic permeability makes magnetic metal reach capacity easily in low-intensity magnetic field.And, the saturated authentication method that further provides that particular field takes place.
Second security feature 18 is separable and/or strengthen the public security feature mutually and comprise magnetic and/or symbol that nonmagnetic metal forms, as metallic characters or by the character clearly of metal boundary definition.Especially, symbol 20 that magnetic metal forms or clear character can form the part of each magnetic metal zone 22 and separated region 24 and/or can form separated region 24, magnetic metal symbol 20 or magnetic metal character can form the part of magnetic metal zone 22 and/or each separated region 24, and the symbol 20 that nonmagnetic metal symbol or nonmagnetic metal form can form the part of separated region 24.In most preferred embodiment, goods 10 are for being embedded in the safe filiform in the safety paper, and symbol 20 produces short sentence or the phrase that can not recognize under indirect illumination, but then can become legal for spectators by transillumination.
First and second security features 14,18 can be by forming metal-plated in plastic 12, comprise arbitrary serial of methods, but do not limit to, these methods comprise that plating makes it the selection metallization, direct heat is suppressed or adopted covering or template and comprises the method for following in the spray metal that metal is removed in methods selections such as chemical etching, laser ablation of passing through in the vacuum spraying metal on substrate 12.
Comprise that metallization and the metal process that disappears afterwards are best.The metallization or the deposition technique of expectation comprise spraying plating, i.e. planar magnetron spraying plating, electron beam or thermal evaporation/distillation and electrolytics deposition add the metallorganics steam pyrolysis.Best metallization or deposition technique are spraying platings.
Spraying plating is the vapor deposition of the physics finished in vacuum chamber, and ionized gas in the chamber (as argon gas) is by different and have enough power being accelerated from the electronics gesture of target emission atom.The atom of emission passes through the vacuum of a part up to form an overlayer with surface (as plastic) collision and on the surface.
In the present invention the target that preferably in best spraying plating process, uses (as, can form the alloy of an amorphousmetal glass) be from deposition materials rather than on the metal of calcining after the deposition by plasma jet.
The selection of the expectation alloying technology that disappears is that deposition materials is the technology of select removing from target surface.Setting as set forth above, these technology comprise chemical etching and laser ablation.Equally also comprise and grind and strip off technology.The technology of stripping off is estimated by select to adhere to and remove the selection removal deposition materials that adheres on carrier thereupon.Chemical etching and laser ablation technology are best.
Chemical etching can be finished by selecting suitable etchant of printing diaphragm and utilization thereupon such as ferric trichloride or hydrofluorite/nitrate mixture.
For reaching the magnetic metal zone 22 as the thickness of discussing among Fig. 2, only the part etching technique of removing the original thickness of metal of deposition can be used in the technology of getting in touch with the metal level through thickness of etching deposit.
Laser ablation can be finished at low laser energy, and when temperature is heated to about 350 °~about 400 °, soft magnetic metal of the present invention herein can be broken away from noncrystal by crystalization.The noncrystal break down typical ground that obtains causes material powdered and fragment.Therefore, when comparing with the energy that the laser-induced thermal etching of vacuum deposited aluminum requires, energy requirement reduces.
Except above-mentioned, might use conventional thermo-contact print head equally, it can reach about 350 °~about 450 ° temperature and solubleness and rise to about 300 points of every English inch (dpi), to order about this motif material crystalization and impel material to remove or etching again.
Goods 10 of the present invention can comprise extra play or overlayer.The extra play of expectation or overlayer comprise that the plastics protection is outer; this layer is used to provide the goods 10 that do not subject to chemical erosion; with reflective metal layer and false proof overlayer, when goods 10 were embedded in safety paper such as bank note, this layer was used to be provided at not too significant goods 10 under the indirect illumination situation.Equally also comprise the tack coat of being convenient to goods 10 are embedded or cover secure file.
In case be ready to the aforesaid compound synusia that comprises security feature 14,18, then compound synusia can be embedded into safe filiform or be divided into a large amount of base sheets by suitable cross cutting method with routine techniques.
In making the process of safety paper, can be introduced in the safety paper as bank note with the goods 10 of safety filiform and/or shim form.For example, can be pressed maybe can select to utilize with the goods 10 of shim form and be bonded on the fixed gauze surface of part, the result inlays pad from the teeth outwards.As described in United States Patent (USP) U.S.Pat.4534398, when fiber is not fixed or pliable and tough, can be embedded in the l Water Paper network fiber with the goods 10 of safety filiform form, the result is that filiform 10 is embedded in the synthetic paper fully.With the goods 10 of safety filiform form, also can send in the similar machine of column type paper machine, cylinder vat or known models, the result is the body interior (paper that promptly has the window filiform) that filiform 10 parts are embedded in finished paper.In addition, with the goods 10 of safety filiform form, can after making, the manufacturing neutralization of safety paper be embedded on the surface of safety paper.
The detection method that expectation is used for goods 10 of the present invention comprises simple identification/authentication method and data/evaluation/name detection method.Dual machine readable function like this might be made by connecting soft magnetic metal and optional repeat pattern 16.The middle distance of the available magnetic field that applies of the use of soft magnetic material by magnetic properties (that is, between detecting head and magnetic characteristic 1 to 2mm) checked and made that simply identification/authentication becomes possibility.Optional repeat pattern 16 is read style 16 by adosculation magnetic through probe the time, make data/evaluation/name become possibility.
The detectable magnetic characteristic of soft magnetic material of the present invention comprises magnetic permeability, rectifys magnetic retentivity, B-H (magnetization/demagnetizationization) circle, non-linearization and magnetization characteristic.In order to authenticate and recognize or name the secure file of this theme, the one or more of these magnetic characteristics can be measured, and compare with the snoop tag of standard.
Example
This example is described the best approach and this method that is used for the most preferred embodiment of goods 10 of the present invention and is not limited to general field of the present invention.
In the present example, used following material:
The ultraviolet polymerization coverture that one kind of U.V.RESIST-can obtain from Sun Chemical company (address: 222-TBridge Plaza South, P.O.Box 1302, Fort Lee, NJ 07024), product registration number RCA 01283R.
ETCH-aqueous solution that comprises 40% weight ferric trichloride (FeCl3).
METALLIZED FILM-is similar to Vacuumschelze 6025, and a kind of to have thickness be 0.023cm and with the metallized polyester film of a kind of alloy, form thickness 250nm, can be from lnnovative Sputtering Technology company (address: Ka rreweg 18, B-9870 Zulte Belgium) must be to arriving.
1. METALLIZED FILM that resistance is lost and engraving method one is ready to or net are sent to Mark Andes Flexographic multistation printing (model: No.4110) from a cylinder.Net is sent to printing station with 21.3 meters/minute of speed by printing cylinder and pressing mold cylinder thereupon.Under the air themperature condition, a large amount of U.V.RESIST is passed to the metalized surface of net by printing cylinder, the style that this product provides with Fig. 3 and the U.V.RESIST layer of dried 1.5 micron thickness is provided with enough speed.The U.V.RESIST layer was dried 0.43 second under 300 watts of uviol lamps that focus on then.Net is sent to the etching station for 21.3 meters/minute with speed then, and net is by a dip tank (be adjusted to 76 centimetres in net path (cm), and comprise ETCH when 74 ℃ of temperature) and adhesion ETCH layer there.Being twisted with the fingers pressure roller at the unnecessary ETCH of the outlet at etching station falls from the net fusion.Net is admitted to the sodium bicarbonate neutralization chamber then, again through using the hot air dries machine 77 ℃ of oven dry after the tank.
2. lamination and apply an a large amount of bonding lytic agent and be applied to then with enough speed and offer the patterned surface of net that a dried thickness is 4 microns tack coat, net reusable heat air dryer is 77 ℃ of oven dry then.Thickness is that 3.6 microns polyester film sheet is sent to mobile net from cylinder then, imbrication the net of polyester film by a hot mill roll opening with 71 ℃ of temperature, carry out the lamination of film and net.The net of lamination applies the station by pigment then, at a large amount of TiO of there 2Applicator is transported to stacked net surface with the speed of the drying layer that is enough to provide 2 micron thickness.The net that applies pigment also is applied to the speed of a large amount of aqueous binders with the drying layer that is enough to provide 2 micron thickness on the net 77 ℃ of oven dry with the hot air dries machine.Net also applies TiO to other surface of net with the hot air dries machine as mentioned above in 77 ℃ of oven dry and step net counter-rotating in the end 2Coat and aqueous binder.
Should be appreciated that those skilled in the art can make conspicuous modification under the situation that does not break away from essence of the present invention, therefore mainly should determine scope of the present invention with reference to accompanying Claim rather than aforesaid instructions.

Claims (30)

1. goods that are used for secure file comprise that has a plastic that is equipped with a security feature at least, it is characterized in that above-mentioned security feature is the detectable security feature of machine that comprises a soft magnetic metal layer, it is characterized in that above-mentioned soft magnetic metal is one and has from the amorphousmetal glass of the low magnetic coercivity of about 50~about 5000 peace/rice, and the above-mentioned layer that it is characterized in that above-mentioned soft magnetic metal a thickness range is arranged is about 0.10~about 0.50 micron.
2. goods that are used for secure file comprise that has a plastic that is equipped with a security feature at least, it is characterized in that above-mentioned security feature is the detectable and optional machine-readable security feature of machine, the repeat pattern layer that comprises an optional soft magnetic metal, it is characterized in that above-mentioned soft magnetic metal is one and has that from the amorphousmetal glass of the low magnetic coercivity of about 50~about 5000 peace/rice and the above-mentioned layer that it is characterized in that above-mentioned soft magnetic metal a thickness range to be arranged be about 0.10~about 0.50 micron.
3. goods that are used for secure file comprise that has a plastic that is equipped with two security features at least, it is characterized in that first above-mentioned security feature is the detectable and optional machine-readable security feature of machine, comprise the repeat pattern of an optional soft magnetic metal and it is characterized in that second security feature comprises the symbol that magnetic and/or nonmagnetic metal form.
4. goods according to claim 3 is characterized in that said products is pad or thin layer.
5. goods according to claim 4 is characterized in that above-mentioned pad or thin layer are generally hexangle type.
6. goods according to claim 3 is characterized in that said products is safe ribbon or filiform.
7. the safe filiform that is used for secure file comprises that has a plastic that is equipped with two security features at least, it is characterized in that first security feature is the detectable and optional machine-readable security feature of machine, comprise the repeat pattern of an optional soft magnetic metal and it is characterized in that second security feature comprises the symbol that magnetic and/or nonmagnetic metal form.
8. according to right 7 described safe filiforms, it is characterized in that above-mentioned filiform comprises following layer:
A. layer with above-mentioned plastic of length; With
B. the thin layer of above-mentioned first and second security features, the above-mentioned optional repeat pattern that it is characterized in that above-mentioned first security feature comprises: at least one soft magnetic metal zone and at least one separated region, the optional above-mentioned length along above-mentioned plastic is alternately arranged, with it is characterized in that above-mentioned second security feature comprises: the symbol that symbol that magnetic metal forms and optional nonmagnetic metal form is characterized in that above-mentioned symbol forms the part in above-mentioned at least soft magnetic metal zone and the part of the optional above-mentioned at least separated region of formation.
9. safe filiform according to claim 8 is characterized in that above-mentioned filiform further comprises a plastic protective layer.
10. safe filiform according to claim 8, it is characterized in that the security feature of above-mentioned first and second security features for strengthening mutually, the symbol that the above-mentioned magnetic metal of above-mentioned therein second security feature forms is the soft magnetic metal symbol, and this symbol has formed the above-mentioned soft magnetic metal zone of above-mentioned first security feature.
11. safe filiform according to claim 8 is characterized in that above-mentioned second security feature comprises the soft magnetic metal of a part in the above-mentioned soft magnetic metal zone of above-mentioned at least first security feature of formation.
12. safe filiform according to claim 8 is characterized in that above-mentioned soft magnetic metal is an amorphousmetal glass that has less than the low magnetic coercivity of about 5000 peace/rice.
13. safe filiform according to claim 12 is characterized in that above-mentioned amorphousmetal glass is a cobalt/ferroalloy.
14. safe filiform according to claim 12 is characterized in that above-mentioned amorphousmetal glass is an iron/nickel alloy.
15. safe filiform according to claim 12 is characterized in that above-mentioned amorphousmetal glass is a cobalt/nickel alloy.
16. safe filiform according to claim 8, the above-mentioned thin layer that it is characterized in that above-mentioned first and second security features is to be deposited on the above-mentioned substrate layer by the physical vapor deposition process.
17. safe filiform according to claim 8, the above-mentioned thin layer that it is characterized in that above-mentioned first and second security features is to be deposited on the above-mentioned substrate layer by chemical vapour deposition process.
18. safe filiform according to claim 8, the above-mentioned thin layer that it is characterized in that above-mentioned first and second security features is to be deposited on the above-mentioned substrate layer by metallikon.
19. safe filiform according to claim 18, the above-mentioned thin layer that it is characterized in that above-mentioned first and second security features by spraying plating are after deposition, above-mentioned sedimentary deposit has experienced selects to disappear metal process.
20. safe filiform according to claim 19 is characterized in that the above-mentioned selection metal process that disappears is the chemical etching metal process that disappears.
21. safe filiform according to claim 19 is characterized in that the above-mentioned selection metal process that disappears is the laser ablation metal process that disappears.
22. safe filiform according to claim 19 is characterized in that the above-mentioned selection metal process that disappears is to grind the metal process that disappears.
23. safe filiform according to claim 19 is characterized in that the above-mentioned selection metal process that disappears is to strip off the metal process that disappears.
24. safe filiform according to claim 8, it is characterized in that symbol that above-mentioned soft magnetic metal zone and above-mentioned metal form have between caliper zones for about 0.01~about 10 microns and length of interval be about 0.1~about 5.0 millimeters.
25. safe filiform according to claim 8, the above-mentioned thin layer that it is characterized in that above-mentioned first and second security features has first and second, it is characterized in that above-mentioned filiform further comprises a layer that comprises a reflective metal material of selecting at least from aluminium, nickel and silver and it is characterized in that above-mentioned reflective metal layer is positioned at least on above-mentioned first of the above-mentioned thin layer of above-mentioned first and second security features.
26. have to small part and inlay or paste thereon safety paper, it is characterized in that said products comprises that has a plastic that is equipped with a security feature at least, above-mentioned security feature is the detectable and optional machine-readable security feature of machine, the repeat pattern layer that comprises an optional soft magnetic metal, it is characterized in that above-mentioned soft magnetic metal is one and has that from the amorphousmetal glass of the low magnetic coercivity of about 50~about 5000 peace/rice and the above-mentioned layer that it is characterized in that above-mentioned soft magnetic metal a thickness range to be arranged be about 0.10~about 0.50 micron.
27. have to small part and inlay or paste thereon safety paper, it is characterized in that said products comprises that has a plastic that is equipped with two security features at least, it is characterized in that first above-mentioned security feature is the detectable and optional machine-readable security feature of machine, comprise the repeat pattern of an optional soft magnetic metal and it is characterized in that second security feature comprises the symbol that magnetic and/or nonmagnetic metal form.
28. safety paper according to claim 27 is characterized in that said products is pad or thin layer.
29. safety paper according to claim 28 is characterized in that above-mentioned pad or thin layer are generally hexangle type.
30. require 27 described safety papers according to claim, it is characterized in that said products is safe ribbon or filiform.
CN96194990A 1995-05-11 1996-05-10 Articles employing magnetic security feature Pending CN1188450A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN96194990A CN1188450A (en) 1995-05-11 1996-05-10 Articles employing magnetic security feature

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/439,295 1995-05-11
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CN100430240C (en) * 2003-11-07 2008-11-05 西柏控股有限公司 Security document, method for producing a security document and the use of a security document
CN101142598B (en) * 2005-01-19 2012-10-03 新加坡科技研究局 Identification tag, object adapted to be identified, and related methods, devices and systems
CN103153640A (en) * 2010-09-01 2013-06-12 现代信用卡有限公司 Metal payment card, and method for producing same
CN106778989A (en) * 2016-11-22 2017-05-31 中钞特种防伪科技有限公司 Security element and anti-fake product
CN109074468A (en) * 2016-04-13 2018-12-21 马德里康普顿斯大学 The label of remote detection object, system and method
CN112262447A (en) * 2018-06-08 2021-01-22 法雷奥电机控制系统公司 Component forming at least two inductors

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100430240C (en) * 2003-11-07 2008-11-05 西柏控股有限公司 Security document, method for producing a security document and the use of a security document
CN101142598B (en) * 2005-01-19 2012-10-03 新加坡科技研究局 Identification tag, object adapted to be identified, and related methods, devices and systems
CN103153640A (en) * 2010-09-01 2013-06-12 现代信用卡有限公司 Metal payment card, and method for producing same
US9058547B2 (en) 2010-09-01 2015-06-16 Hyundai Card Co., Ltd. Metal payment card and method of manufacturing the same
CN103153640B (en) * 2010-09-01 2015-06-17 现代信用卡有限公司 Metal payment card, and method for producing same
CN109074468A (en) * 2016-04-13 2018-12-21 马德里康普顿斯大学 The label of remote detection object, system and method
CN109074468B (en) * 2016-04-13 2021-11-16 马德里康普顿斯大学 Tag, system and method for remotely detecting objects
CN106778989A (en) * 2016-11-22 2017-05-31 中钞特种防伪科技有限公司 Security element and anti-fake product
CN106778989B (en) * 2016-11-22 2020-04-21 中钞特种防伪科技有限公司 Anti-counterfeiting element and anti-counterfeiting product
CN112262447A (en) * 2018-06-08 2021-01-22 法雷奥电机控制系统公司 Component forming at least two inductors

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