CN101640004B - Holographic dealuminized composite film material and anti-counterfeiting object - Google Patents
Holographic dealuminized composite film material and anti-counterfeiting object Download PDFInfo
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Abstract
The invention discloses a holographic dealuminized composite film material. The composite film material provides hollow-out dealuminized holographic anti-counterfeiting characteristics with deep metal background, ensures that a holographic aluminum layer is more obvious in appearance and color luster by means of the difference of the reflectivity of a deep metal background layer and the aluminum layer, increases the anti-counterfeiting performance, is easier for the naked eye identification of the public, and improves the visual effect of the prior holographic film through the novel appearance with strong contrast; and the deep metal background layer is an electromagnetic function layer, also provides specific magnetic machine-reading characteristics at the same time, and can perform true-false identification by utilizing a special non-contact detector. The holographic dealuminized composite film material can be prepared into hot stamping labels or non-setting adhesive labels, can be used for carriers of bills and cards such as bank cards/credit cards, checks, passports, securities and the like, and improves the anti-counterfeiting effect of anti-counterfeiting objects through the combination of multiple anti-counterfeiting characteristics of first-line public and second-line machine reading.
Description
Technical field
The invention belongs to field of anti-counterfeit technology, relate to a kind of composite film material that will have holographic optical change feature and machine-readable detected characteristics, the present invention also relates to false proof thing and the valuables that utilize described composite film material simultaneously.
Background technology
The holographic optical variation film is widely used in various products false proof at present, for example, put down in writing the method and apparatus that the valency paper is arranged that a kind of manufacturing has the optically variable anti-counterfeiting feature among the U.S. Pat P 5817205A1, wherein introduced and holographic optical is become film be needed on technological process on the valency paper and the equipment flowsheet of realizing above-mentioned technological process according to the method for definite shape by blanching seal.USP2006275671A1 and USP 2007160912A1 disclose the sandwich construction of multiple hologram transfer paper tinsel or holographic thermoprinted thin slice respectively, and make kind of embodiment surplus the technology and ten of this type of hologram transfer thing.This holographic film is very common is processed to adhesive label in addition and directly is attached on the various article or packing that need safety guarantee.
The reflection horizon provides the necessary structure of holographic characteristic, therefore use most often aluminium coated, present holographic film not only is difficult to have breakthrough on visual effect, and along with the generally use of holographic technique, for the counterfeiter, technical obstacle more and more weakens.For a change machine-made visual effect, improve counterfeit difficulty, begun to occur holographic film through meticulous dealuminzation, because the holographic film background behind the dealuminzation is transparent, be attached on the surface of undertaking the printing of (substrate) of false proof article such as paper or card card, observations is subjected to the influence of the color of substrate own easily, and the visual effect of this dealuminzation holographic film also is affected, and has therefore also limited the scope that this holographic film is used.
At this problem, also there is associated production person to form dark-background by use printing ink in dealuminzation holographic film one side, but this method is for the thermal stability of the printing ink that is used as background, printing ink has than higher requirement with the character such as adhesion of adjacent structure layer, equally also can influence the range of application of this holographic film.
On the other hand, even through the holographic film that meticulous dealuminzation technology obtains, it also only provides a kind of visual effect that light becomes a line public anti-fake function of feature that has, promptly, also there is the relatively single defective of false proof means in present holographic film, is difficult to be applicable to some high-end false proof things.
From the product form aspect, the holographic false proof film has been processed into blanching seal labeling and adhesive label in a large number at present, is transferred to the carrier surface when needed for the producer, also has higher requirement for the false proof effect of the false proof thing of this class.
Summary of the invention
Technical problem underlying solved by the invention is to provide a kind of holographic dealuminzation complex function thin film with the false proof and two wires machine-readable anti-false multiple anti-fake function of a line public, holographic optical is become feature to be combined with magnetic characteristic, has the magnetic characteristic while that specific machine readable detects, by the background of magnetic material, improved the vision antifalse effect of present holographic film.
The present invention also provides the valuables that utilize described composite film material to obtain as anti-fake identification mark, and this laminated film is set on the valuables with the form of blanching seal sign or adhesive sticker sign, is beneficial to the security performance that improves valuables.
The present invention at first provides a kind of holographic dealuminzation composite film material, this laminated film has the hologram layer that the holographic false proof feature is provided and the function solenoid layer of the machine-readable feature of magnetic is provided, wherein hologram layer is the hollow out aluminium lamination through dealumination treatment, and the function solenoid layer is formed at hollow out aluminium lamination one side the dark metal background is provided.
The function solenoid layer that composite film material provided by the invention had comprises hard magnetic material or layer of soft magnetic material, layer of soft magnetic material preferably, especially be the noncrystal membrane layer, this function solenoid layer (or claims the electromagnetic information layer, magnetosphere) combines with hologram layer, the metallic luster of function solenoid layer provides dark-background for the holographic dealuminzation layer of hollow out, because magnetic material provides recessive character, during with visual inspection, it is a kind of holographic film with dark-background, not only improved the visual effect of common dealuminzation holographic film, providing more simultaneously need be by the machine-readable magnetic characteristic of instrument detecting.So, this holographic film material with dark-background can normal use on carrier at the bottom of the hypsochrome, both having kept the former of holographic film produces effect, increased the spe-cial optical effects that obviously is different from general hologram marking again, and but a line anti-counterfeiting characteristic of public's Direct observation is provided simultaneously and has needed the two wires anti-counterfeiting characteristic of specific apparatus check, effectively improved the false proof effect of holographic material.
The present invention is for the magnetic material that is arranged at dealuminzation hologram layer surface (function solenoid layer), no matter be to form or preparation technology all is not particularly limited, those of ordinary skills can determine this magnetospheric composition and formation technology according to rudimentary knowledge that it possessed with to the understanding of prior art.According to preferred version of the present invention, described function solenoid layer is to utilize vacuum magnetic-control sputtering technology to be formed at laminated magnetic film through the hollow out aluminium lamination surface of dealumination treatment.
Because noncrystal membrane has special metallic luster, utilize vacuum magnetic-control sputtering technology to be formed at the hollow out aluminium lamination surface of process dealumination treatment, also can replace common holographic reflection horizon, the special dark-background while is being provided, also have special magnetic anti-counterfeit function concurrently, can detect by instrument.So, utilize magnetron sputtering to form suitable amorphous film on hollow out aluminium lamination surface, be preferred version of the present invention.This case applicant had once submitted Chinese patent application on September 20th, 2007, application number is 200710122026.3, a kind of anti-counterfeiting function film that has amorphous structure and have the soft magnetism feature is wherein disclosed, this noncrystal membrane not only has the two wires antiforge function of magnetic characteristic, also encode simultaneously, and three-way false proof measure is provided owing to having specific chemical element.The magnetic noncrystal membrane and the preparation technology thereof that should put down in writing in first to file also can be used as specific embodiments of the present invention.Therefore, the applicant will be somebody's turn to do at the full text of first to file and introduce in the instructions of the present invention.
The present invention is that with the key distinction of prior art the thin magnetic film that will have metallic luster combines with holographic dealuminzation film, has promoted the effect of holographic false proof material multi-facetedly.As non-limiting example, the magnetic material that can be used for laminated film of the present invention can be Fe base alloy, Co base alloy, Fe-Co base alloy etc., for example FeNi, FeCuNbSiB, FeZrB etc.
The present invention compares with the coating dark ink by forming layer of electro-magnetic material at hollow out aluminium lamination surface coating, and its thermal stability, adhesion obviously improve; Compare with common dealuminzation holographic film,, have meticulousr visual effect, be easier to popular naked eyes identification than ink lay because the intrinsic metal color of function solenoid layer self makes meticulous dealuminzation layer more obvious in appearance.So laminated film of the present invention can be made blanching seal mark card, the holographic thermoprinted film that obtains after the blanching seal shifts has the electromagnetism anti-counterfeiting characteristic that machine readable detects simultaneously, and its antiforge function is improved.As another specific embodiments of the present invention, described laminated film also can be made adhesive label.
No matter be processed into blanching seal labeling or adhesive label, except above-mentioned magnetic material layer and hollow out aluminium lamination feature, form forming needed other dependency structure of labeling, all blocking film and the adhesive label with at present common is identical.That is, for blanching seal labeling, its structure is included in peel ply, protective seam, dealuminzation hologram layer, electromagnetic information layer and the thermosol tack coat that forms successively on the PET base material; For adhesive label, its structure is included in peel ply, dealuminzation hologram layer, electromagnetic information layer and thermosol tack coat and the resinous coat that forms successively on the PET base material.
The manufacture method of complex function thin film of the present invention is included on the tunica albuginea base material (for example PET base material) and aluminizes, meticulous dealuminzation and form magnetosphere, and the concrete operations of each step are routine techniques.When making blanching seal labeling or adhesive label; then need be before aluminizing; earlier peel ply (blanching seal labeling also need be provided with protective seam) is set at substrate surface, then order aluminize, meticulous dealuminzation and plated film, apply corresponding tack coat at magnetic layer surface at last.Concrete technology also is routine techniques.
In the complex function thin film of the present invention, holographic dealuminzation false proof layer can be to the full dealuminzation of relational pattern, can be the part dealuminzation also, thereby has increased the complexity of pattern, can improve counterfeit difficulty.
So holographic dealuminzation complex function thin film material provided by the invention has the following advantages at least:
1,, improved the visual effect of present holographic material owing to the dark-background of magnetic material;
2, magnetic material has added more senior machine-readable measuring ability (the composition coding characteristic may also be provided) also for this membraneous material when special background effect is provided, makes it to become composite functional material, has improved the counterfeit difficulty of present holographic material;
3, membraneous material of the present invention needs to adopt first dealuminzation plated film again in process, and the magnetic film of formation also provides protective effect to the holographic film of meticulous dealuminzation simultaneously, is more conducive to keep original hologram pattern effect.
The present invention also provides the valuables that are provided with anti-fake identification mark, described anti-fake identification mark is from above-mentioned holographic dealuminzation composite film material, this laminated film is transferred on the valuables with blanching India side formula, perhaps, this laminated film is secured on the valuables that need distinguish true from false in the mode of pressure sensitive adhesive.In these valuables, holographic optical becomes feature provides a line public to detect, electromagnetic signature then needs to discern the expert who provides more senior by instrument and detects, and, magnetic material layer provides the holographic optical behind the meticulous dealuminzation to become the background of feature, not only had better holographic visual effect, and security performance significantly improves.This anti-fake identification mark had both kept the former of hologram marking and had produced effect, and had increased the spe-cial optical effects that obviously is different from general holographic anti-counterfeiting label again, more increased false proof difficulty.
Valuables provided by the invention can comprise the article that any needs such as value warrant, commodity sign or commodity packaging are distinguish true from false.Described value warrant also can comprise various banknotes, stock, certificate, check, bank card/credit card, I.D., passport, pass-check or air ticket etc.For example; in an application scheme of the present invention; can holographic dealuminzation complex function thin film of the present invention be transferred on the ticket card card carrier surfaces such as bank card/credit card, check, passport, securities in the mode of blanching seal, make it by additional more protection information.
Description of drawings
Fig. 1 is the structural representation of hollow out aluminium lamination and function solenoid layer in the holographic dealuminzation laminated film of the present invention.
Fig. 2 (A) is the hologram marking effect synoptic diagram behind the common meticulous dealuminzation.
Fig. 2 (B) and Fig. 2 (C) are respectively the meticulous dealuminzation hologram marking effect synoptic diagram that is coated with the function solenoid layer.
Fig. 3 is a blanching seal labeling structural representation of the present invention.
Fig. 4 is an adhesive label structural representation of the present invention.
Fig. 5 uses synoptic diagram for complex function thin film material of the present invention as the mode of blanching seal labeling.
Embodiment
Introduce technical scheme of the present invention and characteristics in detail below in conjunction with embodiment, understand essence of the present invention and beneficial effect better, but but can not constitute any qualification practical range of the present invention to help the reader.
Fig. 1 has illustrated the structural relation of hollow out aluminium lamination 11 and electromagnetism anti-counterfeiting function film layer 12 in the complex function thin film 10 of the present invention.After holographic optical after aluminizing become layer and carry out meticulous dealuminzation as requested, become hollow out aluminium lamination 11, the function solenoid layer 12 that has the dark metal color and luster subsequently in this hollow out aluminium lamination one side setting, be preferably by vacuum magnetic-control sputtering and form the function solenoid film, be more preferably and form amorphous magnetic film with specific composition on this hollow out aluminium lamination surface.Be appreciated that this function solenoid film for the dealuminzation hologram layer provides dark-background, makes holographic characteristic have better visual effect, the protective effect to hologram layer also is provided; Simultaneously, should become the film material with function that layer combines, when more remarkable holographic false proof feature is provided, also provide magnetic machine-readable anti-false feature by function solenoid layer and holographic optical.
Fig. 2 (A) is the sign behind the common meticulous dealuminzation, because the film behind the dealuminzation is transparence, so this type of is attached to the influence that is subjected to the color of substrate own after paper or card card are gone up easily.
Fig. 2 (B) and Fig. 2 (C) are respectively embodiment provided by the invention, promptly after finishing meticulous dealuminzation, be coated with the sign that the function solenoid layer is made, the intrinsic metal color of function solenoid layer self makes meticulous dealuminzation layer more obvious in appearance, be easy to popular naked eyes identification, and can't break the original holographic effect of ring.Because the difference of reflectivity has strengthened the contrast of pattern, make easier being identified of details of meticulous dealuminzation pattern, as the letter or number of meticulous dealuminzation pattern edge; Fig. 2 (C) is complicated more improvement project, realize by part dealuminzation hologram layer, by magnetic material as a setting, this sign had not only kept traditional hologram marking formerly produces effect but also has increased the spe-cial optical effects that obviously is different from general holographic anti-counterfeiting label, has increased the difficulty of forging greatly.The function solenoid layer provides the specific machine-readable feature of magnetic simultaneously, has constituted the double anti-forge feature jointly with hologram pattern.
Embodiment 2
Blanching seal anti-fake label composite structure as schematically shown in Figure 3; on the PET tunica albuginea, be coated with peel ply 2, protective seam 3, contour forging layer 4 (mold pressing is shifted on it hologram pattern) successively; carry out meticulous dealumination treatment after aluminizing; adopt controlled sputtering coiling plating process or vacuum evaporation on hollow out aluminium lamination 11, to prepare metal or alloy electromagnetism antiforge function layer 12 (for example noncrystal membrane among the CN 200710122026.3 instructions embodiment) again; apply hot melt adhesive bonding layer 5 at last, become blanching seal anti-fake label.
During application, utilize the blanching head this labeling hot pressure to be determined the position to base material or stock, the PET film is torn, promptly finish thermoprint by peel ply 2 along the direction of arrow.The security pattern that see this moment for example can be Fig. 2 (B) or Fig. 2 (C), utilize the difference of the metallic luster background of electromagnetism antiforge function layer and reflectivity to strengthen the contrast of pattern, make meticulous dealuminzation layer more obvious in appearance, the details of pattern is also easier to be identified, be easy to popular naked eyes identification, and can't break the original holographic effect of ring.Electromagnetism antiforge function layer provides the specific machine-readable feature of magnetic simultaneously, has constituted the double anti-forge feature jointly with hologram pattern.
Embodiment 3
Adhesive label composite film material of the present invention as schematically shown in Figure 4 is the pressure sensitive adhesive composite construction layer, on the PET tunica albuginea, be coated with peel ply 2 and contour forging layer 3 (mold pressing is shifted on it hologram pattern) successively, carry out meticulous dealumination treatment after aluminizing, adopt controlled sputtering coiling plating process or vacuum evaporation (for example on hollow out aluminium lamination 11, to prepare metal or alloy electromagnetism antiforge function layer 12 again, noncrystal membrane among the CN 200710122026.3 instructions embodiment), last again adhesive coating layer 5 and the lining paper 7 that scribbles silicone coatings 6 become adhesive label of the present invention.Identical with common adhesive label, peel ply 2 is strong with the more above-mentioned heat blocking film of bonding fastness of PET.Therefore,, will take away the infringement that a part of hologram image causes product, play certain false proof protective effect if attempt pet layer is thrown off.
During application, take lining paper off, this labeling is pasted on base material or stock is determined the position, the security pattern that see this moment for example can be Fig. 2 (B) or Fig. 2 (C), utilize the difference of the metallic luster background of electromagnetism antiforge function layer and reflectivity to strengthen the contrast of pattern, make meticulous dealuminzation layer more obvious in appearance, the details of pattern is also easier to be identified, be easy to popular naked eyes identification, and can't break the original holographic effect of ring.Electromagnetism antiforge function layer provides the specific machine-readable feature of magnetic simultaneously, has constituted the double anti-forge feature jointly with hologram pattern.
Embodiment 4
Fig. 5 is that complex function thin film material of the present invention is used synoptic diagram as blanching India side formula, and this composite film material A can be transferred on the ticket card card carrier B surfaces such as bank card/credit card, check, passport, securities in the mode of blanching seal.
Claims (7)
1. holographic dealuminzation composite film material, this laminated film has the hologram layer that the holographic false proof feature is provided and the function solenoid layer of the machine-readable feature of magnetic is provided, described hologram layer is the hollow out aluminium lamination through dealumination treatment, and described function solenoid layer is formed at hollow out aluminium lamination one side the dark metal background is provided;
Wherein, described function solenoid layer is the noncrystal membrane layer, and this noncrystal membrane layer satisfies following feature:
1) element of film composition satisfies following formula and the chemical element coding is provided:
[Co
xFe
(1-x)]
m[Zr
yHf
(1-y)]
h[Nb
zTa
(1-z)]
bA
aR
r，
Each subscript digitized representation atomic ratio in the formula, its numerical relation satisfies: total atom number m+h+b+r+a=100; And, x=0-1, y=0-1, z=0-1,96 〉=m 〉=75,0＜h≤20,0＜b≤20, a=0-12,0＜r≤4;
A in the formula is selected from one or more metallic element combinations among Mo, Ni, Ru, Pd, Pt, the Ti, and R is one or more rare earth element combinations;
2) this film is an amorphous structure;
3) this film has the soft magnetism feature, and, have the following magnetic anisotropic characteristics in the plane that machine-readable anti-false detects that realizes in face: along having big barkhausen on its easy axis, and the big barkhausen on the direction vertical with easy axis significantly weakens and maybe can not detect signal in face in face;
4) thickness of this film is 20-300nm.
2. holographic dealuminzation composite film material according to claim 1, wherein, described function solenoid layer is to utilize vacuum magnetic-control sputtering technology to be formed at laminated magnetic film through the hollow out aluminium lamination surface of dealumination treatment.
3. holographic dealuminzation composite film material according to claim 1 and 2, this membraneous material are blanching seal labeling.
4. holographic dealuminzation composite film material as claimed in claim 1 or 2, this membraneous material is an adhesive label.
5. valuables that are provided with anti-fake identification mark, described anti-fake identification mark is each described holographic dealuminzation composite film material of claim 1-4, this composite film material is transferred on the valuables with blanching India side formula, perhaps, this composite film material is secured on the valuables in the mode of pressure sensitive adhesive.
6. valuables according to claim 5, wherein, these valuables comprise ticket, commodity sign or commodity packaging.
7. valuables according to claim 6, wherein, described ticket comprises banknote, stock, certificate, check, bank card, I.D., passport, pass-check or air ticket.
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| CN 200810117308 CN101640004B (en) | 2008-07-29 | 2008-07-29 | Holographic dealuminized composite film material and anti-counterfeiting object |
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| CN 200810117308 CN101640004B (en) | 2008-07-29 | 2008-07-29 | Holographic dealuminized composite film material and anti-counterfeiting object |
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| CN101640004B true CN101640004B (en) | 2011-10-12 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866577B (en) * | 2010-06-21 | 2012-05-30 | 武汉华工图像技术开发有限公司 | Double-sided holographic mark and manufacturing method thereof |
| JP5346357B2 (en) * | 2011-06-21 | 2013-11-20 | 住友ゴム工業株式会社 | Sidewall rubber composition and pneumatic tire |
| JP5875930B2 (en) * | 2012-04-25 | 2016-03-02 | 株式会社東海理化電機製作所 | Transfer molded body |
| CN103778850A (en) * | 2013-12-18 | 2014-05-07 | 中山市美高力印刷有限公司 | Self-adhesive label |
| CN106780999A (en) * | 2017-02-17 | 2017-05-31 | 沧州市金田科贸工程有限公司 | The false proof card identifying system of ATM |
| CN108481946A (en) * | 2018-02-08 | 2018-09-04 | 广东楚天龙智能卡有限公司 | A kind of preparation method and applications of holographic material |
| CN110767075B (en) * | 2019-12-05 | 2022-04-08 | 南方科技大学 | Flexible anti-counterfeiting layer based on metal micro-nano network, and preparation method and application thereof |
| CN111862783A (en) * | 2020-08-17 | 2020-10-30 | 彭亮 | Holographic optical variable anti-counterfeiting element |
| CN113173022B (en) * | 2021-05-24 | 2022-10-04 | 中钞印制技术研究院有限公司 | Transparent anti-counterfeiting element, manufacturing method and detection method thereof, detection equipment thereof and security article |
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Address after: 100044 Beijing city Xicheng District Xizhimen Street No. 143 Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: 100044 Beijing city Xicheng District Xizhimen Street No. 143 Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |