CN106952566A - Gray scale anti-counterfeiting mark based on butterfly wing scale micro-nano structure and preparation method thereof - Google Patents
Gray scale anti-counterfeiting mark based on butterfly wing scale micro-nano structure and preparation method thereof Download PDFInfo
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- CN106952566A CN106952566A CN201710189211.8A CN201710189211A CN106952566A CN 106952566 A CN106952566 A CN 106952566A CN 201710189211 A CN201710189211 A CN 201710189211A CN 106952566 A CN106952566 A CN 106952566A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/46—Electroplating: Baths therefor from solutions of silver
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/02—Electroplating of selected surface areas
- C25D5/022—Electroplating of selected surface areas using masking means
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Abstract
The present invention relates to gray scale anti-counterfeiting mark based on butterfly wing scale micro-nano structure and preparation method thereof, this method depicts required security pattern using ink on silver-colored substrate first, then in arrangement individual layer polystyrene sphere on silver-colored substrate surface, there is the silver-colored substrate of individual layer polystyrene film by lifting acquisition area load, treat that the solution on individual layer polystyrene film volatilizees completely, obtain polystyrene sphere template, the antistructure of polystyrene sphere template is obtained at the position in addition to security pattern by electrosilvering again, by ultrasound except ball, ink are cleaned, you can.Compared with prior art, the inventive method is by copying butterfly wing surface micro-nano bowl configurations, can be by 90 ° of the change of polarized direction of the linearly polarized light of incident pit side wall, by rotating two pieces of polarizers, it can be seen that having the position of bowl configurations and the shading value difference without this structure position, the new gray scale anti-counterfeiting mark for supporting pattern customization can be made using this feature.
Description
Technical field
The invention belongs to bionic nano photonic arts, it is related to a kind of gray scale based on butterfly wing scale micro-nano structure and prevents
Puppet mark and preparation method thereof.
Background technology
Activity that is imitated or replicating is carried out in order to prevent from permitting without owner, people gradually send out in production and living
All multipotencys have been put on display accurately to discern the false from the genuine, and the technology for being difficult to be imitated and replicating, i.e. anti-counterfeiting technology.Currency, marketable securities etc.
General to use composite anti-fake technology, selectable technology is mainly false proof including paper false proof, ink, and optical holographic is false proof and prints
Anti-counterfeiting technology etc..With the development in epoch, these anti-counterfeiting technologies are faced with that threshold is not high popular, and partial monopoly technology comes into the open
Deng puzzlement, increasingly severeer forgery risk is more or less faced.
Past anti-counterfeiting technology has focused largely on anti-fake material, printing technology, digital technology, their more or less presence
Some problems, such as identification is low, and technical threshold is low, differentiate difficulty etc..Therefore, new identification is high, easily differentiate it is false proof
The design and preparation of technology seem particularly urgent.
In the research of structural color, scientist has found that the squama wing of dovetail butterfly is equally recessed by similar egg outer packing box
Type optical microstructures are constituted, and this three-dimensional micro-nano structure can change incident light polarization state, to its theory and experimental study
When having carried out many in the world, the artificial micro-nano structure bio-mimetic syntheses work by target of its structure is being carried out always, but is existed at present
The applied research that Polarization-Sensitive gray scale anti-counterfeiting mark is prepared using this biomimetic features is also not implemented in China.
Authorization Notice No. discloses a kind of material with butterfly wing microstructure for CN102717613B Chinese patent
Preparation method, preparation method includes：Butterfly wing of the selection with microstructure carries out pre-treatment；By the butterfly wing leaching after pre-treatment
Stain is in the corresponding soluble salt solutions of element containing material requested；The butterfly fin root after dipping is entered according to the difference of material requested
The corresponding high temperature system sintering of row.Wherein, the pre-treatment step is：The butterfly wing is placed in absolute ethyl alcohol, volume at room temperature
Fraction is that 6~20%HCl solution, volume fraction are that a kind of solution in 6~20%NaOH solution impregnates 2~8h or several solns
Middle difference impregnates 2~8h successively；The time for being impregnated in soluble salt solutions is 2~24h, and the concentration of soluble salt solutions is
5% to saturation.The sintering step is：The butterfly wing is put in the sealed furnace, will be described under vacuum or inert gas
Temperature in sealed furnace rises to 500~1200 DEG C from room temperature, is then incubated 2~6h in maximum temperature.
The content of the invention
The purpose of the present invention is exactly the defect in order to overcome above-mentioned prior art presence and provides a kind of based on butterfly wing scale
Gray scale anti-counterfeiting mark of micro-nano structure and preparation method thereof.
The purpose of the present invention can be achieved through the following technical solutions：
The preparation method of gray scale anti-counterfeiting mark based on butterfly wing scale micro-nano structure, this method is served as a contrast using ink in silver first
Required security pattern is depicted on bottom, then in arranging individual layer polystyrene sphere on silver-colored substrate surface, is obtained by lifting
Area load has the silver-colored substrate of individual layer polystyrene film, treats that the solution on individual layer polystyrene film volatilizees completely, is gathered
Styrene bead template, then the reef knot of polystyrene sphere template is obtained at the position in addition to security pattern by electrosilvering
Structure, by ultrasound except ball, ink are cleaned, you can.
The surface of described antistructure has compact arranged pit.
Described pit changes 90 ° of the polarization direction of normal incident light.
The preparation method of gray scale anti-counterfeiting mark based on butterfly wing scale micro-nano structure, this method specifically includes following steps：
Step (1)：The silver-colored substrate cut out is immersed and carries out ultrasonically treated in acetone, is then cleaned with deionized water, and
Dried up with nitrogen；
Step (2)：The silver-plated sheet glass of one side is immersed containing in hydrochloric acid, the mixed solution of hydrogen peroxide, it is ultrasonically treated, so
Cleaned, and dried up with nitrogen with deionized water afterwards；
Step (3)：Required security pattern is drawn out on the silver-colored substrate after step (1) drying using oil pen；
Step (4)：Monodisperse polystyrene bead solution is prepared, it is ultrasonically treated so that polystyrene sphere is uniformly dispersed,
Alcohol is added, is well mixed, the alcoholic solution of polystyrene sphere is made；
Step (5)：The alcoholic solution of polystyrene sphere made from step (4) is added drop-wise on L B film instrument, passes through L-B
Film instrument prepares individual layer polystyrene sphere film, and the silver-colored substrate for then having required security pattern with being drawn in step (3) is lifted out
Individual layer polystyrene film, treats that the solution on individual layer polystyrene film volatilizees completely, obtains polystyrene sphere template；
Step (6)：In adding non-cyanide silver electroplating solution in Kazakhstan groove, after polystyrene sphere template, step (2) processing
Sheet glass be placed in non-cyanide silver electroplating solution, carry out electroplating processes, obtain the antistructure of polystyrene sphere template, by super
Sound is cleaned except ball, ink, you can.
Silver-colored substrate described in step (1) is silver paper, and the silver paper is cut into 10mm × 20mm rectangle.
The volume ratio of hydrochloric acid, hydrogen peroxide and water is 1 in mixed solution described in step (2):1:6.
The particle diameter of polystyrene sphere described in step (4) is 3-6 μm.
The mass fraction of polystyrene sphere is 4-5% in described monodisperse polystyrene bead solution.
The process conditions of lifting described in step (5) are：At room temperature, it is 1.2-3mm/min to control pull rate.
Sheet glass and the area ratio of polystyrene sphere template are 1 in step (6):2, the condition of described electroplating processes
For：Control electric current≤5mA, electroplating time is 10-20min.
Non-cyanide silver electroplating solution described in step (6) is selected from commercially available imino-diacetic ichthyodin silver plating solution.
The gray scale anti-counterfeiting mark based on butterfly wing scale micro-nano structure being prepared from using the above method.
Heretofore described L B film instrument includes frame, bright wrong that tank, controlling organization and executing agency, described
Your bright wrong tank is arranged on the lower section of frame, and described executing agency, which hangs, to be located in frame, and the speed of lifting is controlled through controlling organization
Rate.
Wherein, controlling organization uses single-chip microcomputer STC12C4052AD as master control, with the special driving core of A4988 stepper motors
Piece carrys out Driving Stepping Motor.Step motor control elevation rate is 2.0-99.9mm/min, is adjusted according to 0.1mm/min speed
Section, and support that executing agency rises to top autostop, meet experiment use demand.Stepper motor is the small-sized line of two-phase four
Screw mandrel stepper motor.Executing agency includes sliding block, hook and dovetail clip, and described sliding block drives through stepper motor to be lifted, described
Hook be connected with sliding block, described dovetail clip is hung on the lower section of hook.Your the bright wrong both sides of tank are provided with push rod, bright
Bead loosely is arranged on the push-tight liquid level of your wrong tank, film is formed it into using push rod.
When operating this equipment, mainly comprise the following steps：This device power is given first, and charactron lights display initial set value
2.0mm/min.Stop/set keys are now pressed, last decimal point of charactron, which is lighted, indicates entry into Setting pattern, presses up/
+ button increase, down/- buttons reduce, and stop/set buttons are pressed again and exit setting pattern, last position of decimal point is extinguished.
Then, up/+ buttons are pressed, equipment starts upward lifting, if pressing down/- buttons, and sliding block declines, and presses stop/set buttons
It is then out of service.It should be noted that stop/set buttons are only pressed when equipment downtime could enter Setting pattern.
Compared with prior art, the inventive method depicts required pattern using ink on silver-colored substrate before this, then
Individual layer polystyrene sphere is arranged on silver-colored substrate, then solid matter individual layer is obtained by electrosilvering method, ultrasound and ink cleaning
The antistructure of bead, realizes the duplication to butterfly wing surface crater structure, is successfully prepared the new gray scale that can be recognized by polarizer
Anti-counterfeiting mark.Safety non-toxic in the inventive method preparation process, can be by incidence by copying butterfly wing surface micro-nano bowl configurations
90 ° of the change of polarized direction of the linearly polarized light at pit position, by rotating two pieces of polarizers, it can be seen that there is the portion of bowl configurations
Position and the shading value difference without this structure position, the new gray scale anti-counterfeiting label for supporting pattern customization can be made using this feature
Know.
Brief description of the drawings
Fig. 1 is the flow chart of preparation method of the present invention；
Fig. 2 is the microphotograph of photon structure of the present invention；
Fig. 3 is that actual effect of the present invention shows figure.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1：
As Figure 1-3, the preparation method of gray scale anti-counterfeiting mark of the present embodiment based on butterfly wing scale micro-nano structure, specifically
Comprise the following steps：
A) silver paper is cut into 10mm × 20mm rectangle；
B) in the silver foil immersion acetone cut out, ultrasound 15min, is then cleaned with deionized water, is used in combination in ultrasonic pond
Nitrogen is dried up；
C) the silver-plated slide of one side is immersed HCl again：H2O2：H2O=1：1：In 6 mixed liquor, in ultrasonic pond ultrasound
15min, is then cleaned with deionized water, N2Drying is standby；
D) required security pattern is drawn out on silver-colored substrate using oil pen.
E) mass fraction is first put into ultrasonic pond for the monodisperse polystyrene bead solution of 5 μm of 5% particle diameter ultrasonic
10min, allows bead to be uniformly dispersed；
F) the polystyrene sphere solution and absolute ethyl alcohol 1 for being 5% by finely dispersed mass fraction:1 be mixed with it is mixed
Close liquid stand-by；
G) mixed liquor of preparation is added drop-wise on L-B instruments and prepares individual layer polystyrene sphere film (standing 10min), then
The polystyrene film of individual layer is lifted out with the silver foil handled well, treats to obtain polystyrene sphere mould on film after solution evaporation
Plate；
H) add cyanideless electro-plating silvering solution in Kazakhstan groove to be electroplated, current control is in 5 milliamperes, plating piece (slide) and silver
The area ratio of electrode is 1：2, electroplating time 15min；
I) sample after most electroplating at last, which is put into acetone, carries out ultrasound except ball and ink cleaning, time 15min.
Embodiment 2：
The preparation method of gray scale anti-counterfeiting mark of the present embodiment based on butterfly wing scale micro-nano structure, this method is first using oil
Ink depicts required security pattern on silver-colored substrate, then in arranging individual layer polystyrene sphere on silver-colored substrate surface, passes through
Lifting, which obtains area load, the silver-colored substrate of individual layer polystyrene film, treats that the solution on individual layer polystyrene film is waved completely
Hair, obtains polystyrene sphere template, then obtain polystyrene sphere mould at the position in addition to security pattern by electrosilvering
The antistructure of plate, by ultrasound except ball, ink are cleaned, you can.
Wherein, the surface of antistructure has compact arranged pit, and the side wall of the pit changes the polarization side of normal incident light
To 90 °.
The present embodiment method specifically includes following steps：
Step (1)：The silver-colored substrate cut out is immersed and carries out ultrasonically treated in acetone, is then cleaned with deionized water, and
Dried up with nitrogen；
Step (2)：The silver-plated sheet glass of one side is immersed containing in hydrochloric acid, the mixed solution of hydrogen peroxide, it is ultrasonically treated, so
Cleaned, and dried up with nitrogen with deionized water afterwards；
Step (3)：Required security pattern is drawn out on the silver-colored substrate after step (1) drying using oil pen；
Step (4)：Monodisperse polystyrene bead solution is prepared, it is ultrasonically treated so that polystyrene sphere is uniformly dispersed,
Alcohol is added, is well mixed, the alcoholic solution of polystyrene sphere is made；
Step (5)：The alcoholic solution of polystyrene sphere made from step (4) is added drop-wise on L B film instrument, passes through L-B
Film instrument prepares individual layer polystyrene sphere film, and the silver-colored substrate for then having required security pattern with being drawn in step (3) is lifted out
Individual layer polystyrene film, treats that the solution on individual layer polystyrene film volatilizees completely, obtains polystyrene sphere template；
Step (6)：In adding non-cyanide silver electroplating solution in Kazakhstan groove, after polystyrene sphere template, step (2) processing
Sheet glass be placed in non-cyanide silver electroplating solution, carry out electroplating processes, obtain the antistructure of polystyrene sphere template, by super
Sound is cleaned except ball, ink, you can.
Silver-colored substrate is silver paper in step (1), and the silver paper is cut into 10mm × 20mm rectangle.
The volume ratio of hydrochloric acid, hydrogen peroxide and water is 1 in mixed solution in step (2):1:6.
The particle diameter of polystyrene sphere is 3 μm in step (4).Polystyrene sphere in monodisperse polystyrene bead solution
Mass fraction be 4%.
The process conditions of lifting are in step (5)：At room temperature, it is 1.2mm/min to control pull rate.
Sheet glass and the area ratio of polystyrene sphere template are 1 in step (6):2, the condition of described electroplating processes
For：Control electric current is 2mA, and electroplating time is 10min.It is silver-plated molten that non-cyanide silver electroplating solution is selected from commercially available imino-diacetic ichthyodin
Liquid.
Embodiment 3：
The present embodiment method specifically includes following steps：
Step (1)：The silver-colored substrate cut out is immersed and carries out ultrasonically treated in acetone, is then cleaned with deionized water, and
Dried up with nitrogen；
Step (2)：The silver-plated sheet glass of one side is immersed containing in hydrochloric acid, the mixed solution of hydrogen peroxide, it is ultrasonically treated, so
Cleaned, and dried up with nitrogen with deionized water afterwards；
Step (3)：Required security pattern is drawn out on the silver-colored substrate after step (1) drying using oil pen；
Step (4)：Monodisperse polystyrene bead solution is prepared, it is ultrasonically treated so that polystyrene sphere is uniformly dispersed,
Alcohol is added, is well mixed, the alcoholic solution of polystyrene sphere is made；
Step (5)：The alcoholic solution of polystyrene sphere made from step (4) is added drop-wise on L B film instrument, passes through L-B
Film instrument prepares individual layer polystyrene sphere film, and the silver-colored substrate for then having required security pattern with being drawn in step (3) is lifted out
Individual layer polystyrene film, treats that the solution on individual layer polystyrene film volatilizees completely, obtains polystyrene sphere template；
Step (6)：In adding non-cyanide silver electroplating solution in Kazakhstan groove, after polystyrene sphere template, step (2) processing
Sheet glass be placed in non-cyanide silver electroplating solution, carry out electroplating processes, obtain the antistructure of polystyrene sphere template, by super
Sound is cleaned except ball, ink, you can.
Silver-colored substrate is silver paper in step (1), and the silver paper is cut into 10mm × 20mm rectangle.
The volume ratio of hydrochloric acid, hydrogen peroxide and water is 1 in mixed solution in step (2):1:6.
The particle diameter of polystyrene sphere is 6 μm in step (4).Polystyrene sphere in monodisperse polystyrene bead solution
Mass fraction be 5%.
The process conditions of lifting are in step (5)：At room temperature, it is 2mm/min to control pull rate.
Sheet glass and the area ratio of polystyrene sphere template are 1 in step (6):2, the condition of described electroplating processes
For：Control electric current is 3mA, and electroplating time is 20min.It is silver-plated molten that non-cyanide silver electroplating solution is selected from commercially available imino-diacetic ichthyodin
Liquid.
Embodiment 4：
The present embodiment method specifically includes following steps：
Step (1)：The silver-colored substrate cut out is immersed and carries out ultrasonically treated in acetone, is then cleaned with deionized water, and
Dried up with nitrogen；
Step (2)：The silver-plated sheet glass of one side is immersed containing in hydrochloric acid, the mixed solution of hydrogen peroxide, it is ultrasonically treated, so
Cleaned, and dried up with nitrogen with deionized water afterwards；
Step (3)：Required security pattern is drawn out on the silver-colored substrate after step (1) drying using oil pen；
Step (4)：Monodisperse polystyrene bead solution is prepared, it is ultrasonically treated so that polystyrene sphere is uniformly dispersed,
Alcohol is added, is well mixed, the alcoholic solution of polystyrene sphere is made；
Step (5)：The alcoholic solution of polystyrene sphere made from step (4) is added drop-wise on L B film instrument, passes through L-B
Film instrument prepares individual layer polystyrene sphere film, and the silver-colored substrate for then having required security pattern with being drawn in step (3) is lifted out
Individual layer polystyrene film, treats that the solution on individual layer polystyrene film volatilizees completely, obtains polystyrene sphere template；
Step (6)：In adding non-cyanide silver electroplating solution in Kazakhstan groove, after polystyrene sphere template, step (2) processing
Sheet glass be placed in non-cyanide silver electroplating solution, carry out electroplating processes, obtain the antistructure of polystyrene sphere template, by super
Sound is cleaned except ball, ink, you can.
Silver-colored substrate is silver paper in step (1), and the silver paper is cut into 10mm × 20mm rectangle.
The volume ratio of hydrochloric acid, hydrogen peroxide and water is 1 in mixed solution in step (2):1:6.
The particle diameter of polystyrene sphere is 4 μm in step (4).Polystyrene sphere in monodisperse polystyrene bead solution
Mass fraction be 4.5%.
The process conditions of lifting are in step (5)：At room temperature, it is 3mm/min to control pull rate.
Sheet glass and the area ratio of polystyrene sphere template are 1 in step (6):2, the condition of described electroplating processes
For：Control electric current is 1mA, and electroplating time is 20min.It is silver-plated molten that non-cyanide silver electroplating solution is selected from commercially available imino-diacetic ichthyodin
Liquid.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using invention.
Person skilled in the art obviously can easily make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without passing through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel are according to the announcement of the present invention, and not departing from improvement and modification that scope made all should be the present invention's
Within protection domain.
Claims (10)
1. the preparation method of the gray scale anti-counterfeiting mark based on butterfly wing scale micro-nano structure, it is characterised in that this method is used first
Ink depicts required security pattern on silver-colored substrate, then in arranging individual layer polystyrene sphere on silver-colored substrate surface, leads to
Crossing lifting acquisition area load has the silver-colored substrate of individual layer polystyrene film, treats that the solution on individual layer polystyrene film is waved completely
Hair, obtains polystyrene sphere template, then obtain polystyrene sphere mould at the position in addition to security pattern by electrosilvering
The antistructure of plate, by ultrasound except ball, ink are cleaned, you can.
2. the preparation method of the gray scale anti-counterfeiting mark according to claim 1 based on butterfly wing scale micro-nano structure, its feature
It is that the surface of described antistructure has compact arranged pit.
3. the preparation method of the gray scale anti-counterfeiting mark according to claim 2 based on butterfly wing scale micro-nano structure, its feature
It is that described pit changes 90 ° of the polarization direction of normal incident light.
4. the preparation method of the gray scale anti-counterfeiting mark according to claim 1 based on butterfly wing scale micro-nano structure, its feature
It is that this method specifically includes following steps：
Step (1)：The silver-colored substrate cut out is immersed and carries out ultrasonically treated in acetone, is then cleaned with deionized water, and use nitrogen
Air-blowing is done；
Step (2)：By the silver-plated sheet glass immersion of one side containing in hydrochloric acid, the mixed solution of hydrogen peroxide, ultrasonically treated, Ran Houyong
Deionized water is cleaned, and is dried up with nitrogen；
Step (3)：Required security pattern is drawn out on the silver-colored substrate after step (1) drying using oil pen；
Step (4)：Monodisperse polystyrene bead solution is prepared, it is ultrasonically treated so that polystyrene sphere is uniformly dispersed, then add
Enter alcohol, be well mixed, the alcoholic solution of polystyrene sphere is made；
Step (5)：The alcoholic solution of polystyrene sphere made from step (4) is added drop-wise on L B film instrument, passes through L B film instrument
Device prepares individual layer polystyrene sphere film, and the silver-colored substrate for then having required security pattern with being drawn in step (3) lifts out individual layer
Polystyrene film, treats that the solution on individual layer polystyrene film volatilizees completely, obtains polystyrene sphere template；
Step (6)：In adding non-cyanide silver electroplating solution in Kazakhstan groove, by the glass after polystyrene sphere template, step (2) processing
Glass piece is placed in non-cyanide silver electroplating solution, carries out electroplating processes, is obtained the antistructure of polystyrene sphere template, is removed by ultrasound
Ball, ink cleaning, you can.
5. the preparation method of the gray scale anti-counterfeiting mark according to claim 4 based on butterfly wing scale micro-nano structure, its feature
It is that the silver-colored substrate described in step (1) is silver paper, the silver paper is cut into 10mm × 20mm rectangle.
6. the preparation method of the gray scale anti-counterfeiting mark according to claim 4 based on butterfly wing scale micro-nano structure, its feature
It is that the volume ratio of hydrochloric acid, hydrogen peroxide and water is 1 in the mixed solution described in step (2):1:6.
7. the preparation method of the gray scale anti-counterfeiting mark according to claim 4 based on butterfly wing scale micro-nano structure, its feature
It is that the particle diameter of the polystyrene sphere described in step (4) is 3-6 μm.
8. the preparation method of the gray scale anti-counterfeiting mark according to claim 7 based on butterfly wing scale micro-nano structure, its feature
It is that the mass fraction of polystyrene sphere is 4-5% in described monodisperse polystyrene bead solution.
9. the preparation method of the gray scale anti-counterfeiting mark according to claim 4 based on butterfly wing scale micro-nano structure, its feature
It is that sheet glass and the area ratio of polystyrene sphere template are 1 in step (6):2, the condition of described electroplating processes is：Control
Electric current≤5mA processed, electroplating time is 10-20min.
10. the gray scale based on butterfly wing scale micro-nano structure being prepared from using the method described in claim any one of 1-9 is prevented
Puppet mark.
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| CN201710189211.8A CN106952566B (en) | 2017-03-27 | 2017-03-27 | Gray scale anti-counterfeiting mark and preparation method thereof based on butterfly wing scale micro-nano structure |
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| CN201710189211.8A CN106952566B (en) | 2017-03-27 | 2017-03-27 | Gray scale anti-counterfeiting mark and preparation method thereof based on butterfly wing scale micro-nano structure |
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| CN106952566B CN106952566B (en) | 2019-01-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111477094A (en) * | 2020-04-07 | 2020-07-31 | 苏州印象镭射科技有限公司 | 3D touch anti-counterfeiting mark with micro-nano texture and manufacturing method thereof |
| CN113943434A (en) * | 2021-10-15 | 2022-01-18 | 西安邮电大学 | Preparation method of monolayer polystyrene microsphere template |
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| CN103145095A (en) * | 2013-03-26 | 2013-06-12 | 吉林大学 | Preparation method of panchromatic structural color or color variation pattern array |
| CN104986724A (en) * | 2015-06-05 | 2015-10-21 | 中物院成都科学技术发展中心 | Flexible film surface micro/nano-structure and application thereof |
| CN105206175A (en) * | 2015-10-23 | 2015-12-30 | 浙江大学 | Anti-counterfeit label based on patterned metal nanocomposite and production method of anti-counterfeit label |
| CN105694085A (en) * | 2016-02-03 | 2016-06-22 | 陕西科技大学 | Method for lowering color generation angle dependency of PS colloidal crystal film |
| CN106199775A (en) * | 2016-07-13 | 2016-12-07 | 吉林大学 | A kind of porous hemispherical array films with broadband, comprehensive its antireflective properties and preparation method thereof |
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| CN111477094A (en) * | 2020-04-07 | 2020-07-31 | 苏州印象镭射科技有限公司 | 3D touch anti-counterfeiting mark with micro-nano texture and manufacturing method thereof |
| CN113943434A (en) * | 2021-10-15 | 2022-01-18 | 西安邮电大学 | Preparation method of monolayer polystyrene microsphere template |
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