CN101314311A - False proof thin film and producing method thereof - Google Patents
False proof thin film and producing method thereof Download PDFInfo
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- CN101314311A CN101314311A CN 200710105777 CN200710105777A CN101314311A CN 101314311 A CN101314311 A CN 101314311A CN 200710105777 CN200710105777 CN 200710105777 CN 200710105777 A CN200710105777 A CN 200710105777A CN 101314311 A CN101314311 A CN 101314311A
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Abstract
The invention discloses an anti-fake film and a method for making the same. The method comprises the following steps of: depositing a layer of metal film by vacuum roll coating technique on a flexible base material, producing a group of invisible codes which can only be read by machines after the dealing the metal film by a pulsed laser source or a pulsed ion source. The anti-fake film of the invention can play an anti-fake function by both naked eye visualization and machine reading, and can be analyzed by experts finally, with ideal results. Therefore, the anti-fake film can be applied widely to the prevention of fake commodities, ID cards, securities and paper money.
Description
Technical field
The present invention relates to a kind of anti-fake product and preparation method thereof, especially relate to a kind of false-proof film and preparation method thereof with hidden pattern.
Background technology
Anti-counterfeiting technology is widely used in various such as on the secure files such as marketable securities, identity document, also is being widely used aspect the product false proof identification.A kind of anti-counterfeit recognition sign commonly used is the metallic film anti-counterfeiting label.Metallic film wherein normally adopts at present such as the disclosed a kind of flexible winding coating machine of Chinese patent literature CN2339589Y and produces.This winding film coating machine is by the coiling chamber, and coating chamber and servicing unit are formed; In coating chamber, be provided with a plurality of magnetic controlled sputtering targets around chill roll.Be provided with isolation channel between two targets, isolation channel communicates with air extractor; Each target disposes independently gas distribution pipe.Basement membrane is coated with metallic diaphragm by coiling chamber to coating chamber in the indoor mode by sputter of each sputtering target.Then, utilize mask scanning on described metallic diaphragm, to form laser anti-counterfeit tag.This mode is owing to need mask, equipment needed thereby complexity and cost height, and anti-fake mark is single easily by imitated.In the prior art, have a kind of preset program of passing through, form the technology of indicia patterns by scanning.Such as the disclosed apparatus and method that are used for laser marking of Chinese patent literature CN1541846A, disclosed laser marking equipment of CN1620353A and method, and the disclosed laser marking equipment of Japanese documentation JP2005034865A.Wherein among the Chinese patent literature CN1541846A, the laser control apparatus output signal, yawing moment by the laser beam of the beam deflection unit in the labelling head 46 control is defined as main scanning direction, and the direction of transfer of X-ray film is defined as sub scanning direction, thereby laser beam is radiated on the X-ray film, to form the mark pattern on X-ray film, pattern can have structure arbitrarily.In Chinese patent literature CN1620353A, include the band that running roller is carried, by means of software, use the transmitted pulse of setting the tape label laser instrument at the average band displacement signal at mechanical control device place, by the surface formation pattern of fusion zone.In Japanese documentation JP2005034865A, then disclose by laser beam the rod that rotates axially on move and on rod, form corrode, concavo-convex pattern.In addition, a kind of method of patterning of making first kind of material on a surface is disclosed in Chinese patent literature CN1065297A, formation one layer thickness is first kind of material of 1～500 millimicron on the surface of the second kind of material that is different from first kind of material, between above-mentioned first kind of material and pulse ion or plasma source, put into a kind of pattern that constitutes by energy absorbing material, aim at the pulse of described first kind of material layer radiation sufficient intensity and the ion of duration or plasma, make above-mentioned first kind of material can flake-off in the zone that does not have pattern, but do not make second kind of material have second kind of material of pattern part and basic unit fully to come off, consequently on the surface that is different from above-mentioned first kind of material, obtained the pattern of first kind of material.
The above-mentioned prior art that is used to form pattern all is to form back a period of time at metallic diaphragm, forms pattern by laser beam or pulse ion again on metal level, and formed pattern all is a visible pattern.The defective of visible pattern is copied easily, therefore can reduce its false proof reliability greatly.
Summary of the invention
For this reason, it is a kind of not visible that technical problem to be solved by this invention is to provide, easily by the false-proof film of machine recognition.
For solving the problems of the technologies described above, a kind of false-proof film of the present invention comprises thin layer and metal level, and described metal level different constitutes the invisible but machine recognizable pattern of naked eyes mutually by two or more.
Described two kinds different mutually for metal mutually with carry out ion doping mutually through the ion pair metal after formed metallic compound phase.
Described two kinds different mutually for amorphous alloy mutually with carry out ion doping mutually through the ion pair amorphous alloy after formed metallic compound phase.
Described two kinds different be mutually amorphous alloy mutually with crystal alloy mutually.
Described two or more different mutually for metal mutually with the ion doping that carries out variable concentrations through this metal of ion pair mutually after formed different metallic compound phase.
Described two or more different mutually for amorphous alloy mutually with the ion doping that carries out variable concentrations through the ion pair amorphous alloy mutually after formed different metallic compound phase.
Described amorphous alloy is made up of amorphous alloy, and described amorphous alloy has the electromagnetic property that can detect.
Described two or more different mutually formed pattern constitutes a group coding.
The width range of the peak width of each phase of described coding is 1-10mm.
Described thin layer is the polymer film layer that has impressed laser holographic pattern.
The making of described metal level comprises that adopting vacuum winding film plating technology that alloy is plated in earlier forms alloy-layer on the film; And after vacuum winding film plating technology is finished, with pulsed laser source alloy-layer is handled immediately, form required pattern.
May further comprise the steps when alloy-layer being handled with pulsed laser source:
A. the width of setting pulsed laser source is dx, and the x direction is the fabric width direction of film;
B. the cycle of programming Control pulsed laser source work is t=dy/v, and the y direction is the direct of travel of film, and dy is the length of y direction, and v is volume film speed;
C. pulsed laser source carries out the laser annealing processing according to the accent burst length to alloy-layer.
The making of described metal level comprises adopts vacuum winding film plating technology that metal-plated is formed metal level earlier on film; And after vacuum winding film plating technology is finished, with pulsed ion source metal level is handled immediately, form required pattern.
The step of metal level being handled with pulsed ion source comprises:
A. the width of setting pulsed ion source is dx, and the x direction is the fabric width direction of film;
B. the cycle of programming Control pulsed ion source work is t=dy/v, and the y direction is the direct of travel of film, and dy is the length of y direction, and v is volume film speed;
C. pulsed ion source carries out doping treatment according to the accent burst length to metal level
Make the device of described false-proof film, comprise vacuum winding film coating machine and pulsed laser source or pulsed ion source, it is characterized in that: described pulsed laser source or pulsed ion source are arranged in the described vacuum winding film coating machine, and the wind-up roll and the vacuum coating between last thin film deposition chamber that are installed in the coiling chamber are indoor.
Technique scheme of the present invention has the following advantages compared to existing technology, (1) formed security pattern is hidden pattern and is one group of coding by two or more different phase composition, therefore can not duplicate by methods such as scanning, printings, and described coding can form different codings by the difference of the peak width of the different phase compositions of number of different types and each phase, even therefore the counterfeiter thinks that forgery all is difficult to, and has the big advantage of anti-counterfeiting power.(2) when described film has laser holographic pattern, described metal level both can be used as the reflecting layer, play the effect of strengthening the laser holographic pattern visual effect, simultaneously described metal level is again the invisible but machine recognizable codings of one group of naked eyes by different phase compositions, therefore described false-proof film is can naked eyes visual false proof, again can machine recognition false proof, finally can also realize the three-way false proof of described false-proof film by analysis expert; (3) device of employing making false-proof film of the present invention, it is indoor that pulsed laser source or pulsed ion source are positioned at vacuum coating, avoided that laser annealing or ion doping are necessary to vacuumize once more in order to carry out, in addition, pulsed laser source or pulsed ion source can carry out before institute's deposit film rolling the processing procedure of film, did not need rewinding process; (4) mostly need several step process to compare with the making of existing anti-fake product, the making of false-proof film of the present invention only need be through reaching anti-fake effect once going on foot; (5) the present invention proposes a kind of method for preparing the false-proof film of forming by different phase regions in enormous quantities, efficiently.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below according to a particular embodiment of the invention and in conjunction with the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is a device schematic diagram of making false-proof film of the present invention;
Fig. 2 is the schematic diagram that amorphous alloy is regional and the crystal alloy zone distributes alternately of an embodiment of false-proof film of the present invention;
Fig. 3 is the schematic diagram in the crystal alloy zone among Fig. 2;
Fig. 4 is the plane visual design sketch of film segment when handling without pulsed laser source or pulsed ion source;
Fig. 5 is the layer structural representation of film when handling without pulsed laser source or pulsed ion source shown in Figure 4;
Fig. 6 is the plane visual design sketch of the false-proof film of the present invention after film passages through which vital energy circulates impulse light source shown in Figure 4 is handled;
Fig. 7 is the phase region distribution schematic diagram of false-proof film of the present invention shown in Figure 6;
Fig. 8 is the plane visual design sketch of the of the present invention false-proof film of film shown in Figure 4 after the pulse ion gun is handled;
Fig. 9 is the phase region distribution schematic diagram of false-proof film of the present invention shown in Figure 8;
Figure 10 is the schematic diagram of another embodiment of false-proof film of the present invention.
Reference numeral is expressed as among the figure: 1-vacuum winding film coating machine, 2-pulsed laser source, 3-vacuum coiling chamber, the 4-wind-up roll, the 5-vacuum film coating chamber, 6-let off roll, 7,8,15, the 16-guide roller, 9,14-jockey pulley, 10,1 3-pressure roller, the 11-chill roll, 12-target chamber, 17-amorphous alloy zone, 18-crystal alloy zone, 19-ion doping zone.
The specific embodiment
Fig. 1 is for making the device schematic diagram of false-proof film of the present invention, comprise vacuum winding film coating machine 1 and pulsed laser source 2, wherein, pulsed laser source 2 is arranged in the vacuum winding film coating machine 1, is installed in the wind-up roll 4 and the vacuum film coating chamber 5 between last thin film deposition chamber of coiling chamber 3.The manufacturing process of described false-proof film in this device is as follows: at first the flexible parent metal with required plated film unreels continuously by the let off roll 6 in the vacuum coiling chamber 3, and by the guide roller corresponding 7 and 8 with it, jockey pulley 9 and pressure roller 10 are sent to coating chamber 5 with described flexible parent metal, be provided with chill roll 11 at these coating chamber 5 middle parts, be provided with five sputter target chambers 12 at the edge of vacuum film coating chamber 5 around chill roll 11, target source corresponding in the target chamber 12 requires to decide according to coating process, each sputtering target all is furnished with its independently vacuum suction chamber 20, also be provided with fixing dividing plate 21 between each sputter target chamber 12, flexible parent metal is advanced in coating chamber 5 and the effect depositing metal films on flexible parent metal by target source in the different target chambers 12 in different thin film depositions interval.After deposit metal films, needs according to the expection phase transformation, utilize 2 pairs of films that deposited of pulsed laser source of control able to programme to carry out the laser annealing processing: the width of setting pulsed laser source 2 is dx (the x direction is the fabric width direction of film), the cycle of programming Control pulsed laser source 2 work is that (the y direction is the direct of travel of film to t=dy/v, dy is the length of y direction, v is volume film speed), by controlling the size of above-mentioned pulsed laser source 2 on the film web cross direction, the cycle of pulse, thereby control the size of second phase and the territory element mutually of other expection change, thereby obtain the film be made up of different phase regions, this film is via pressure roller 13 at last, jockey pulley 14, guide roller 15 and 16 comes back in the coiling chamber 3.
If use depositing metal films on the evaporation coating normal direction flexible parent metal, only need correspondingly change described target chamber into specific evaporation source deposited chamber gets final product, equally, if metallic film is handled, only need to change described pulsed laser source into pulsed ion source and get final product with pulsed ion source.
Adopt the device of making false-proof film of the present invention, it is indoor that pulsed laser source or pulsed ion source are positioned at vacuum coating, avoided that laser annealing is necessary to vacuumize once more in order to carry out, in addition, pulsed laser source or pulsed ion source can carry out before institute's deposit film rolling the processing procedure of film, did not need rewinding process.
Fig. 2 is the schematic diagram of an embodiment of false-proof film of the present invention, making the flexible parent metal that described false-proof film selects for use in the present embodiment is PVC, unreel continuously by the let off roll 6 in the vacuum coiling chamber 3, and by the guide roller corresponding 7 and 8 with it, jockey pulley 9 and pressure roller 10 are sent to coating chamber 5 with described PVC, in set five target chambers 12, Fe-Ni-Mo-Si-B alloy target body is installed all, when PVC along operative orientation operation by the thin film deposition of each target chamber 12 when interval, target body all can be gone up sputtered atom and deposition obtains the Fe-Ni-Mo-Si-B alloy firm to PVC; After this amorphous alloy film deposition, needs according to the expection phase transformation, utilize 2 pairs of films that deposited of pulsed laser source of control able to programme to handle, the width of setting pulsed laser source 2 is dx (the x direction is the fabric width direction of film), the cycle of programming Control pulsed laser source 2 work is that (the y direction is the direct of travel of film to t=dy/v, dy is the length of y direction, v is volume film speed), by controlling the size of above-mentioned pulsed laser source 2 on the film web cross direction, the cycle of pulse, thereby control the size of the territory element of second phase, then this regional noncrystal membrane being carried out laser annealing handles, noncrystal membrane undergoes phase transition becomes crystalline state, at this moment just obtain having crystal alloy territory element as shown in Figure 3 on PVC, this film is via pressure roller 13 at last, jockey pulley 14, guide roller 15 and 16 comes back in the coiling chamber 3.
By said method, just on PVC, obtained pattern as shown in Figure 2.It is to be noted, illustrated the situation that amorphous alloy zone 17 and crystal alloy zone 18 distribute alternately with chequered with black and white form among Fig. 2, and in fact, amorphous alloy zone 17 here and crystal alloy zone 18 are in appearance not respectively, that is to say that described Fe-Ni-Mo-Si-B alloy firm is not visually having difference before and after treatment with pulsed laser source 2, it is the formed hidden code that is encoded to, this hidden code can read by the crystal structure that detects film, promptly reads by the X-ray diffractometer; Simultaneously because the Fe-Ni-Mo-Si-B non-crystaline amorphous metal has big Bark person of outstanding talent cent, and crystalline state Fe-Ni-Mo-Si-B alloy does not have big Bark person of outstanding talent cent, so can promptly read by big Barkhausen's effect sensor by the electromagnetic performance that detects described hidden code yet.The peak width of each bar black or white portion it is to be noted in addition between 1-10mm, and can form different codings by different peak widths is set as required.
Fig. 4 is the plane visual design sketch of thin polymer film (the being called for short holographic basement membrane) segment that impressed hologram pattern, making flexible parent metal that described false-proof film selects for use in the present embodiment and be exactly should the holography basement membrane, unreel continuously by the let off roll 6 in the vacuum coiling chamber 3, and by the guide roller corresponding 7 and 8 with it, jockey pulley 9 and pressure roller 10 are sent to coating chamber 5 with described holographic basement membrane, in set five target chambers 12, Co-Nb alloy target body is installed all, when holographic basement membrane along operative orientation operation by the thin film deposition of each target chamber 12 when interval, target body all can be on holographic basement membrane sputtered atom and deposition obtain the Co-Nb alloy firm; After this amorphous alloy film deposition, needs according to the expection phase transformation, utilize 2 pairs of films that deposited of pulsed laser source of control able to programme to handle, the width of setting pulsed laser source 2 is dx (the x direction is the fabric width direction of film), the cycle of programming Control pulsed laser source 2 work is that (the y direction is the direct of travel of film to t=dy/v, dy is the length of y direction, v is volume film speed), by controlling the size of above-mentioned pulsed laser source 2 on the film web cross direction, the cycle of pulse, thereby control the size of the territory element of second phase, then this regional noncrystal membrane being carried out laser annealing handles, noncrystal membrane undergoes phase transition becomes crystalline state, so just obtained amorphous alloy zone 17 and crystal alloy zone 18 film alternately as shown in Figure 7, this film is via pressure roller 13 at last, jockey pulley 14, guide roller 15 and 16 comes back in the coiling chamber 3.Fig. 5 is the layer structural representation of this film, and Fig. 6 is the plane visual design sketch of this film segment, and the pattern in the visual effect comes from holographic basement membrane.
It is to be noted, illustrated the situation that amorphous alloy zone 17 and crystal alloy zone 18 distribute alternately with chequered with black and white form among Fig. 7, and in fact, amorphous alloy zone 17 here and crystal alloy zone 18 are in appearance not respectively, because the gloss characteristics of Co-Nb alloy itself is so from seeing that visually whole film is the bright black with metallic luster, this layer is as the reflecting layer simultaneously, play the effect of the visual effect of strengthening laser holographic pattern, referring to Fig. 6.The formed in the present embodiment hidden code that is encoded to, this hidden code can read by the crystal structure that detects film, promptly reads by the X-ray diffractometer; While is because the Co-Nb non-crystaline amorphous metal has big Bark person of outstanding talent cent, and crystalline state Co-Nb alloy does not have big Bark person of outstanding talent cent, so also can promptly read by big Barkhausen's effect sensor by the electromagnetic performance that detects described hidden code.The peak width of each bar black or white portion it is to be noted in addition between 1-10mm, and can form different codings by different peak widths is set according to different needs.
In above-mentioned two embodiment, because formed false-proof film is one group of hidden code of being made up of alternately mutually amorphous alloy phase and crystal alloy, can not duplicate by methods such as scanning, printings, therefore have difficult characteristics of being forged by the counterfeiter, simultaneously, described false-proof film can also form different codings by different peak widths is set according to different needs, therefore has the big advantage of anti-counterfeiting power.
Referring to Fig. 8 and Fig. 9 is the schematic diagram of another embodiment of the present invention, making the flexible parent metal that described false-proof film selects for use in the present embodiment still is holographic basement membrane shown in Figure 4, unreel continuously by the let off roll 6 in the vacuum coiling chamber 3, and by the guide roller corresponding 7 and 8 with it, jockey pulley 9 and pressure roller 10 are sent to coating chamber 5 with described holographic basement membrane, in set five target chambers 12, Co-Nb alloy target body is installed all, when holographic basement membrane along operative orientation operation by the thin film deposition of each target chamber 12 when interval, target body all can be on holographic basement membrane sputtered atom and deposition obtain the Co-Nb alloy firm; After this amorphous alloy film deposition, needs according to the expection phase transformation, utilize the pulsed ion source that can produce the Cr ion of control able to programme that the film that is deposited is handled, the width of setting pulsed ion source as required is dx (the x direction is the fabric width direction of film), the cycle of programming Control pulsed ion source work is that (the y direction is the direct of travel of film to t=dy/v, dy is the length of y direction, v is volume film speed), by controlling the size of above-mentioned pulsed ion source on the film web cross direction, the cycle of pulse, thereby control the size of the territory element of second phase, then this regional noncrystal membrane being carried out the Cr ion doping handles, the coercivity of film is by original increasing to greater than 300e less than 1～100e after mixing, promptly obtained amorphous alloy zone 17 and Cr ion doping zone 19 film alternately as shown in Figure 9, this film is via pressure roller 13 at last, jockey pulley 14, guide roller 15 and 16 comes back in the coiling chamber 3.Fig. 8 is the plane visual design sketch of this film segment, and the pattern in the visual effect comes from holographic basement membrane.
It is to be noted, illustrated the situation that amorphous alloy zone 17 and Cr ion doping zone 19 distribute alternately with chequered with black and white form among Fig. 9, and in fact, these two kinds of zones are not in appearance not respectively, because the gloss characteristics of Co-Nb alloy itself is so from seeing that visually whole film is the bright black with metallic luster, this layer is as the reflecting layer simultaneously, play the effect of the visual effect of strengthening laser holographic pattern, referring to Fig. 8.The formed in the present embodiment hidden code that is encoded to, formed hidden code can read by the concentration of analyzing Cr, promptly reads by x-ray fluorescence analysis instrument or X XRF.Simultaneously because the Co-Nb non-crystaline amorphous metal has big Bark person of outstanding talent cent, and the film zone after mixing does not possess the big Bark person of outstanding talent cent that original C o-Nb amorphous alloy film is had, so described hidden code can read by big Barkhausen's effect sensor.The peak width of each bar black or white portion it is to be noted in addition between 1-10mm, and can form different codings by different peak widths is set according to different needs.
In the present embodiment, because formed false-proof film is one group of hidden code of being made up of alternately mutually with formed metallic compound after it mixes through ion pair mutually amorphous alloy, can not duplicate by methods such as scanning, printings, therefore have difficult characteristics of being forged by the counterfeiter, simultaneously, described false-proof film can also form different codings by different peak widths is set according to different needs, therefore has the big advantage of anti-counterfeiting power.。
Referring to Figure 10 is the schematic diagram of another embodiment of the present invention, promptly produces to have Ti, Ti on the PET substrate
xN, Ti
yThe film of three kinds of phases of N (x 〉=1, y≤2, and x ≠ y).The specific embodiment is, described flexible parent metal PET is unreeled continuously by the let off roll 6 in the vacuum coiling chamber 3, and described holographic basement membrane is sent to coating chamber 5 by the guide roller corresponding 7 and 8, jockey pulley 9 and pressure roller 10 with it, in set five target chambers 12, the Ti target body is installed all, when holographic basement membrane along operative orientation operation by the thin film deposition of each target chamber 12 when interval, target body all can be on holographic basement membrane sputtered atom and deposition obtain the Ti film; After the Ti thin film deposition, needs according to the expection phase transformation, utilize the pulsed ion source that can produce the N ion of control able to programme that the film that is deposited is handled, the width of setting pulsed ion source as required is dx (the x direction is the fabric width direction of film), the cycle of programming Control pulsed ion source work is that (the y direction is the direct of travel of film to t=dy/v, dy is the length of y direction, v is volume film speed), by controlling the size of above-mentioned pulsed ion source on the film web cross direction, the cycle of pulse, thereby control the size of the territory element of second phase and third phase, then these regional Ti films being carried out the N ion doping handles, dosage by N ion that control is injected, make the implantation dosage difference of two adjacent injection zones, can obtain two different phase regions of N doping content, this film is via pressure roller 13 at last, jockey pulley 14, guide roller 15 and 16 comes back in the coiling chamber 3.
Referring to Figure 10, a zone is Ti, and the b zone is TixN, c zone TiyN.The length in b zone and c zone is respectively dy (b) and dy (c).It is to be noted, b zone and c zone all are golden yellow from visually seeing, promptly from seeing not difference in appearance, but because N doping content different in b zone and the c zone, therefore formed hidden code can read by the concentration of analyzing N, promptly reads by x-ray fluorescence analysis instrument or X XRF.Each regional peak width of each phase it is to be noted in addition between 1-10mm, and, can form different codings that the ion doping of variable concentrations also can form different codings simultaneously by setting different peak widths according to different needs.
In the present embodiment, described false-proof film for by metal mutually with the ion doping that carries out variable concentrations through the ion pair metal mutually after formed different metallic compound phase composition, can not duplicate by methods such as scanning, printings, therefore have difficult characteristics of being forged by the counterfeiter, in addition, because of carrying out the ion doping of variable concentrations mutually to metal, so can produce various coding by said method, as have three-phase, four codings that equate, have the big advantage of anti-counterfeiting power.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (15)
1. a false-proof film comprises thin layer and metal level, it is characterized in that: described metal level different constitutes the invisible but machine recognizable pattern of naked eyes mutually by two or more.
2. false-proof film according to claim 1 is characterized in that: described two kinds different mutually for metal mutually with carry out ion doping mutually through the ion pair metal after formed metallic compound phase.
3. false-proof film according to claim 2 is characterized in that: described two kinds different mutually for amorphous alloy mutually with carry out ion doping mutually through the ion pair amorphous alloy after formed metallic compound phase.
4. false-proof film according to claim 1 is characterized in that: described two kinds different mutually for amorphous alloy mutually with crystal alloy mutually.
5. false-proof film according to claim 1 is characterized in that: described two or more different mutually for metal mutually with the ion doping that carries out variable concentrations through this metal of ion pair mutually after formed different metallic compound phase.
6. false-proof film according to claim 5 is characterized in that: described two or more different mutually for amorphous alloy mutually with the ion doping that carries out variable concentrations through the ion pair amorphous alloy mutually after formed different metallic compound phase.
7. according to any described false-proof film in the claim 3,4,6, it is characterized in that: described amorphous alloy is made up of amorphous alloy, and described amorphous alloy has the electromagnetic property that can detect.
8. false-proof film according to claim 1 is characterized in that: described two or more different mutually formed pattern constitutes a group coding.
9. false-proof film according to claim 8 is characterized in that: the width range of the peak width of each phase of described coding is 1-10mm.
10. false-proof film according to claim 1 is characterized in that: described thin layer is the polymer film layer that has impressed laser holographic pattern.
11. make the method for the described false-proof film of claim 1, it is characterized in that: the making of described metal level comprises that adopting vacuum winding film plating technology that alloy is plated in earlier forms alloy-layer on the film; And after vacuum winding film plating technology is finished, with pulsed laser source alloy-layer is handled immediately, form required pattern.
12. the method for making false-proof film according to claim 11 may further comprise the steps when it is characterized in that with pulsed laser source alloy-layer being handled:
A. the width of setting pulsed laser source is dx, and the x direction is the fabric width direction of film;
B. the cycle of programming Control pulsed laser source work is t=dy/v, and the y direction is the direct of travel of film, and dy is the length of y direction, and v is volume film speed;
C. pulsed laser source carries out the laser annealing processing according to the accent burst length to alloy-layer.
13. make the method for the described false-proof film of claim 1, it is characterized in that: the making of described metal level comprises adopts vacuum winding film plating technology that metal-plated is formed metal level earlier on film; And after vacuum winding film plating technology is finished, with pulsed ion source metal level is handled immediately, form required pattern.
14. the method for making false-proof film according to claim 13 is characterized in that: the step of metal level being handled with pulsed ion source comprises:
A. the width of setting pulsed ion source is dx, and the x direction is the fabric width direction of film;
B. the cycle of programming Control pulsed ion source work is t=dy/v, and the y direction is the direct of travel of film, and dy is the length of y direction, and v is volume film speed;
C. pulsed ion source carries out doping treatment according to the accent burst length to metal level.
15. make the device of the described false-proof film of claim 1, comprise vacuum winding film coating machine and pulsed laser source or pulsed ion source, it is characterized in that: described pulsed laser source or pulsed ion source are arranged in the described vacuum winding film coating machine, and the wind-up roll and the vacuum coating between last thin film deposition chamber that are installed in the coiling chamber are indoor.
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| CN 200710105777 CN101314311B (en) | 2007-05-30 | 2007-05-30 | False proof thin film and producing method thereof |
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| CN 200710105777 CN101314311B (en) | 2007-05-30 | 2007-05-30 | False proof thin film and producing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105750842A (en) * | 2016-04-29 | 2016-07-13 | 成都九十度工业产品设计有限公司 | Method for processing precious metal commemorative coins |
| WO2019100291A1 (en) * | 2017-11-23 | 2019-05-31 | 深圳市矩阵多元科技有限公司 | Method for making anti-counterfeit label and anti-counterfeit label |
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| KR19990073639A (en) * | 1998-03-02 | 1999-10-05 | 민태영 | Manufacturing method of silver wire with partial deposition part and colored printing layer |
| CN2339589Y (en) * | 1998-07-15 | 1999-09-22 | 长沙国防科技大学八达薄膜电子技术研究所 | Flexible-winding film-plating machine |
| CN2433262Y (en) * | 2000-07-18 | 2001-06-06 | 湖南三才科技有限公司 | Multi-targat magnetic-control sputtering coiling film coating machine |
| JP2005034865A (en) * | 2003-07-18 | 2005-02-10 | Nippon Steel Corp | Apparatus and method for working roll |
| CN2898056Y (en) * | 2006-03-14 | 2007-05-09 | 北京实力源科技开发有限责任公司 | Winding film coating machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750842A (en) * | 2016-04-29 | 2016-07-13 | 成都九十度工业产品设计有限公司 | Method for processing precious metal commemorative coins |
| CN105750842B (en) * | 2016-04-29 | 2018-03-13 | 成都九十度工业产品设计有限公司 | A kind of processing method of noble metal commemorative coin |
| WO2019100291A1 (en) * | 2017-11-23 | 2019-05-31 | 深圳市矩阵多元科技有限公司 | Method for making anti-counterfeit label and anti-counterfeit label |
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| CN101314311B (en) | 2011-06-15 |
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