CN102372944A - Pigment slice applied to tracing anti-counterfeit technology and manufacturing method thereof - Google Patents

Pigment slice applied to tracing anti-counterfeit technology and manufacturing method thereof Download PDF

Info

Publication number
CN102372944A
CN102372944A CN2010102608348A CN201010260834A CN102372944A CN 102372944 A CN102372944 A CN 102372944A CN 2010102608348 A CN2010102608348 A CN 2010102608348A CN 201010260834 A CN201010260834 A CN 201010260834A CN 102372944 A CN102372944 A CN 102372944A
Authority
CN
China
Prior art keywords
pigment flakes
text
micro picture
magnetosphere
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2010102608348A
Other languages
Chinese (zh)
Inventor
李云虎
陈章荣
章兴洲
陈国富
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUIZHOU FORYOU OPTICAL TECHNOLOGY Co Ltd
Original Assignee
HUIZHOU FORYOU OPTICAL TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HUIZHOU FORYOU OPTICAL TECHNOLOGY Co Ltd filed Critical HUIZHOU FORYOU OPTICAL TECHNOLOGY Co Ltd
Priority to CN2010102608348A priority Critical patent/CN102372944A/en
Publication of CN102372944A publication Critical patent/CN102372944A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

The invention provides a pigment slice applied to a tracing anti-counterfeit technology and a preparation method thereof. The pigment slice comprises a magnetic layer, and at least one preset miniature picture and text is positioned on the pigment slice.

Description

Be applied to the pigment flakes and the method for manufacture thereof of spike anti-counterfeiting technology
Technical field
The present invention relates to the spike field of anti-counterfeit technology, and particularly relate to a kind of pigment flakes and method of manufacture thereof that is applied to the spike anti-counterfeiting technology.
Background technology
The spike anti-counterfeiting technology is a kind of anti-counterfeiting technology of using the special picture and text spike of micro, and it has been widely used in the various identification of product such as currency, visa, cigarette-brand and wine mark.The method of manufacture of existing micro picture and text mainly contains the blocking film technology of micro printing technology and band micro picture and text.
The micro printing technology is directly to print the micro picture and text through printing press, is characterized in that print speed is fast, but can only print hundred micron-sized micro picture and text.And the blocking film technology of band micro picture and text mainly is that the micro picture and text are made on the blocking film, and then thermoprint is characterized in making tens micron-sized micro picture and text to carrier, but this technological thermoprint speed is relatively slow.And along with updating of personation technology, above-mentioned first kind of technology has been difficult to play effective spike and false proof effect.Above-mentioned second kind of technology is difficult to satisfy the requirement of industriallization to quick production.
Summary of the invention
The objective of the invention is to, a kind of pigment flakes that is applied to the spike anti-counterfeiting technology is provided, its can carry out on a large scale volume production and configurable in printing ink to be printed in the identification of product.
The present invention also aims to, a kind of method of manufacture that is applied to the pigment flakes of spike anti-counterfeiting technology is provided, it is this pigment flakes of volume production on a large scale.
The object of the invention and to solve its technical problem be that technical scheme below adopting realizes.
The present invention provides a kind of pigment flakes that is applied to the spike anti-counterfeiting technology, and wherein this pigment flakes comprises a magnetosphere, and has predefined at least one micro picture and text on this pigment flakes.
Preferably, these micro picture and text are arranged on this magnetosphere.This magnetosphere is the magneticmetal or the magneticmetal alloy layer of chemical elements such as chosen from Fe, cobalt, nickel, gadolinium, ferrocobalt, chromium dioxide, magnetic oxygenated hereynite, magnetic garnet, magnetic ferrite, samarium-cobalt alloy and rare-earth-iron-boron alloy.This magnetospheric physical thickness range is between 1 nanometer to 1000 nanometer.The size of these micro picture and text is between 0.3 micron to 50 microns.
Preferably, this pigment flakes further comprises a thin film layer, and itself and this magnetosphere storehouse together.This thin film layer is a medium layer, and the material of this medium layer is selected from SiO2, MgF2, ZnS, Al2O3, SiO, TiO2, and the physical thickness range of this medium layer is between 1 nanometer to 1000 nanometer.Perhaps this thin film layer is a metal level, and the material of this metal level is selected from aluminium, chromium, nickel, tungsten, molybdenum, copper, zinc etc., and the physical thickness range of this metal level is between 1 nanometer to 1000 nanometer.In addition, these micro picture and text are arranged on this magnetosphere and this thin film layer one of any.
Preferably, this pigment flakes comprises three layers or multilayer optical film layers more than three layers, and wherein an optical thin film layer is this magnetosphere, and these micro picture and text be arranged on this multilayer optical film layer one of at least on.
The present invention also provides a kind of method of manufacture that is applied to the pigment flakes of spike anti-counterfeiting technology, and wherein it comprises: make at least one micro picture and text; Preparation magnetosphere and these micro picture and text of set are to form a magnetic module; And this magnetic module handled to form this pigment flakes.
Preferably, the step of these micro picture and text of above-mentioned manufacturing comprises: make a micro picture and text template; Coating one a substrate sealing coat and an imaging layer in a substrate; And this micro picture and text template of mold pressing and this imaging layer are to be transferred to the micro picture and text on this micro picture and text template on this imaging layer.
Preferably, these micro picture and text of above-mentioned preparation magnetosphere and set comprise with the step that forms this magnetic module and utilize vacuum evaporation technology that one magnetosphere, a medium layer or a metal level vapor deposition are formed on this imaging layer to form this magnetic module.
Preferably, this micro picture and text template of above-mentioned mold pressing and this imaging layer comprise with the step that the micro picture and text on this micro picture and text template are transferred on this imaging layer: this magnetic module of demoulding forms a magneticthin film so that this substrate breaks away from; Collect this magneticthin film; Pulverize this magneticthin film to form this pigment flakes; And this pigment flakes carried out surface treatment.
In sum; The disclosed pigment flakes that is applied to spike anti-counterfeiting technology mold making technology capable of using comes these micro picture and text of volume production preparation on a large scale; Thereby large-scale this pigment flakes of volume production; Then pigment flakes is configured in the printing ink, adopts printing technology again and be printed in the identification of product false proof to carry out spike.Because the present invention directly prints the micro picture and text to identification of product, but prepare pigment flakes earlier, and then print, therefore micro picture and text of the present invention can be reduced into tens micron orders.And configurable in printing ink, the printing then with preparation of pigment flakes of the present invention has the anti-fraud functional identification of product of spike, so the manufacturing speed of identification of product is than very fast.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention; Understand technique means of the present invention in order can more to know; And can implement according to the content of specification sheets, and for let of the present invention above-mentioned with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is the synoptic diagram of the pigment flakes that is applied to the spike anti-counterfeiting technology that discloses of first embodiment of the invention.
Fig. 2 is the synoptic diagram of the pigment flakes that is applied to the spike anti-counterfeiting technology that discloses of second embodiment of the invention.
Fig. 3 is the synoptic diagram of the pigment flakes that is applied to the spike anti-counterfeiting technology that discloses of third embodiment of the invention.
Fig. 4 is the schema of the method for manufacture of the pigment flakes that is applied to the spike anti-counterfeiting technology that discloses of one embodiment of the invention.
Fig. 5 is the particular flow sheet of this micro picture and text step of manufacturing shown in Figure 4.
Fig. 6 is shown in Figure 4 this magnetic module is handled to form the particular flow sheet of this pigment flakes step.
Embodiment
Reach technique means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To according to the false proof thin slice of the present invention's proposition and embodiment, structure, characteristic and the effect thereof of method of manufacture thereof, specify as follows.
See also Fig. 1, it illustrates the synoptic diagram of the pigment flakes that is applied to the spike anti-counterfeiting technology that discloses for first embodiment of the invention.As shown in Figure 1, the pigment flakes 100 that present embodiment disclosed only comprises magnetosphere 110, and set has micro picture and text 120 on this magnetosphere 110, and the micro picture and text customizing messages that illustrates is series " F ".Preferably, this magnetosphere 110 be chemical elements such as chosen from Fe, cobalt, nickel, gadolinium, ferrocobalt, chromium dioxide, magnetic oxygenated hereynite, magnetic garnet, magnetic ferrite, samarium-cobalt alloy and rare-earth-iron-boron alloy magneticmetal or magneticmetal alloy layer.In addition, the physical thickness range of this magnetosphere 110 between 1 nanometer to 1000 nanometer, preferred 5 nanometer to 80 nanometers.The size of these micro picture and text between 0.3 micron to 50 microns, preferred 5 microns to 25 microns.The size of this pigment flakes 100 between 1 micron to 100 microns, preferred 10 microns to 30 microns.
See also Fig. 2, it illustrates the synoptic diagram of the pigment flakes that is applied to the spike anti-counterfeiting technology that discloses for second embodiment of the invention.As shown in Figure 2, the pigment flakes 200 that present embodiment disclosed is similar with the pigment flakes 100 that first embodiment is disclosed, and its difference is this pigment flakes 200 except comprising magnetosphere 210, also comprises a thin film layer 220.Wherein, this thin film layer 220 is a medium layer or a metal level.When this thin film layer 220 was medium layer, the material of this medium layer was selected from SiO 2, MgF 2, ZnS, Al 2O 3, SiO, TiO 2Deng, and the physical thickness range of this medium layer is between 1 nanometer to 1000 nanometer, preferred 50 nanometer to 800 nanometers.When this thin film layer 220 was metal level, the material of this metal level was selected from aluminium, chromium, nickel, tungsten, molybdenum, copper, zinc etc., and the physical thickness range of this metal level is between 1 nanometer to 1000 nanometer, preferred 10 nanometer to 80 nanometers.In addition, micro picture and text 230 are to anchor on one of any in this magnetosphere 210 and this thin film layer 220.
See also Fig. 3, it illustrates the synoptic diagram of the pigment flakes that is applied to the spike anti-counterfeiting technology that discloses for third embodiment of the invention.As shown in Figure 3; The pigment flakes 300 that present embodiment disclosed is similar with the pigment flakes 100 that first embodiment is disclosed; Its difference is that this pigment flakes 300 comprises three layers or multilayer optical film layers 310~330 more than three layers, and wherein an optical thin film layer 320 is a magnetosphere for example.Micro picture and text 340 be anchor in this multilayer optical film layer 310~330 one of at least on.
Disclosed pigment flakes is configurable in printing ink, adopts printing technology again and is printed in the identification of product false proof to carry out spike.Because the present invention directly prints the micro picture and text to identification of product, but prepare pigment flakes earlier, and then print, therefore micro picture and text of the present invention can be reduced into tens micron orders.And configurable in printing ink, the printing then with preparation of pigment flakes of the present invention has the anti-fraud functional identification of product of spike, so the manufacturing speed of identification of product is than very fast.
In addition, the present invention also provides a kind of method of manufacture of pigment flakes.See also Fig. 4, it illustrates the schema of the method for manufacture of the pigment flakes that discloses for one embodiment of the invention.As shown in Figure 4, the method for manufacture of this pigment flakes comprises: make the micro picture and text; Preparation magnetosphere and these micro picture and text of set are to form a magnetic module; And this magnetic module handled to form this pigment flakes.
See also Fig. 5, it illustrates the particular flow sheet into this micro picture and text step of above-mentioned manufacturing.As shown in Figure 5, this micro picture and text step of above-mentioned manufacturing comprises: make micro picture and text template; Coat substrates sealing coat and imaging layer in a substrate; And this micro picture and text template of mold pressing and this imaging layer are to be transferred to the micro picture and text on this micro picture and text template on this imaging layer.Particularly, when making this micro picture and text template, be through computer photograph micro picture and text, the size of these micro picture and text between 0.3 micron to 50 microns, preferred 5 microns to 25 microns.And then thereby methods such as process photoetching and chemical corrosion are made into this micro picture and text template.Being coated with this substrate sealing coat and this imaging layer is in thin-film material substrates such as PET, to be coated with water-based or oiliness sealing coat earlier, and then is coated with this imaging layer.Wherein, the material of this imaging layer can select chemistry and stable physical property, anti-oxidant, be difficult for by solvent corrosion, transparent, possess after being ductile, cooling off after being heated fragility and can and this substrate sealing coat mate good material.At last, thus this micro picture and text template of mold pressing and this imaging layer are transferred to the micro picture and text on this micro picture and text template on this imaging layer.
In addition, these micro picture and text of above-mentioned preparation magnetosphere and set are to utilize vacuum evaporation technology that one magnetosphere, a medium layer or a metal level vapor deposition are formed on this imaging layer to form this magnetic module to form this magnetic module step.That is to say that this magnetic module comprises this PET thin-film material substrate, this substrate sealing coat, this imaging layer, this magnetosphere and or this medium layer or this metal level.Therefore, have this micro picture and text on this magnetosphere, this medium layer or this metal level.Whether above-mentioned magnetic module has this medium layer or this metal level is to confirm according to the concrete structure of this pigment flakes.
See also Fig. 6, it illustrates to above-mentioned this magnetic module is handled to form the particular flow sheet of this pigment flakes step.As shown in Figure 6, above-mentioned this magnetic module is handled to form this pigment flakes step comprises: this magnetic module of demoulding forms a magneticthin film so that this PET thin-film material substrate breaks away from; Collect this magneticthin film; Pulverize this magneticthin film to form pigment flakes; And this pigment flakes carried out surface treatment.Particularly; At first select for use water-based or oil-based release agent to come that this magnetic module is carried out the demoulding and handle, so this magneticthin film comprises imaging layer, this magnetosphere and or this medium layer or this metal level with these micro picture and text so that this PET thin-film material substrate and this magneticthin film are separated from each other according to the material property of this substrate sealing coat.Then, thus realize that through centrifugation apparatus or pumping and filtering device the solid-liquid separation of thin slice and solvent collects this magneticthin film.The combination that utilizes disintegrating process such as air-flow, ultrasonic, ball milling, sand milling, shearing or above-mentioned technology again is ground into the pigment flakes of 1-100 micron with this magneticthin film, and preferably, the size of this pigment flakes is the 10-30 micron.At last, the pigment flakes after pulverizing is carried out surface-treated, make itself and other compositions such as printing ink can be good at coupling, thereby guarantee that pigment flakes can access maximum tiling in the process that print product identifies through chemical process.
Therefore; The disclosed pigment flakes that is applied to spike anti-counterfeiting technology mold making technology capable of using comes large-scale these micro picture and text of volume production preparation; Thereby large-scale this pigment flakes of volume production; Then pigment flakes is configured in the printing ink, adopts printing technology again and be printed in the identification of product false proof to carry out spike.Because the present invention directly prints the micro picture and text to identification of product, but prepare pigment flakes earlier, and then print, therefore micro picture and text of the present invention can be reduced into tens micron orders.And configurable in printing ink, the printing then with preparation of pigment flakes of the present invention has the anti-fraud functional identification of product of spike, so the manufacturing speed of identification of product is than very fast.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be not break away from technical scheme content of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.

Claims (10)

1. a pigment flakes that is applied to the spike anti-counterfeiting technology is characterized in that this pigment flakes comprises at least one magnetosphere, and has predefined at least one micro picture and text on this pigment flakes.
2. the pigment flakes that is applied to the spike anti-counterfeiting technology according to claim 1 is characterized in that these micro picture and text are arranged on this magnetosphere.
3. the pigment flakes that is applied to the spike anti-counterfeiting technology according to claim 1; It is characterized in that this magnetosphere is the magneticmetal or the magneticmetal alloy layer of chosen from Fe, cobalt, nickel, gadolinium, ferrocobalt, chromium dioxide, magnetic oxygenated hereynite, magnetic garnet, magnetic ferrite, samarium-cobalt alloy and rare-earth-iron-boron alloy element; This magnetospheric physical thickness range is between 1 nanometer to 1000 nanometer, and the size of these micro picture and text is between 0.3 micron to 50 microns.
4. the pigment flakes that is applied to the spike anti-counterfeiting technology according to claim 1 is characterized in that this pigment flakes further comprises thin film layer, and itself and this magnetosphere storehouse together.
5. the pigment flakes that is applied to the spike anti-counterfeiting technology according to claim 4 is characterized in that this thin film layer is a medium layer, and the material of this medium layer is selected from SiO 2, MgF 2, ZnS, Al 2O 3, SiO, TiO 2, and the physical thickness range of this medium layer is between 1 nanometer to 1000 nanometer
6. the pigment flakes that is applied to the spike anti-counterfeiting technology according to claim 4; It is characterized in that this thin film layer is a metal level; The material of this metal level is selected from aluminium, chromium, nickel, tungsten, molybdenum, copper, zinc etc., and the physical thickness range of this metal level is between 1 nanometer to 1000 nanometer.
7. according to any described pigment flakes that is applied to the spike anti-counterfeiting technology of claim 1-6; This pigment flakes comprises three layers or the multilayer optical film layer more than three layers; Wherein an optical thin film layer is this magnetosphere; And these micro picture and text be arranged on this multilayer optical film layer one of at least on, the size of this pigment flakes is between 1 micron to 100 microns.
8. method of manufacture that is applied to the pigment flakes of spike anti-counterfeiting technology is characterized in that it comprises:
Make at least one micro picture and text;
Preparation magnetosphere and these micro picture and text of set are to form a magnetic module; And
This magnetic module is handled to form this pigment flakes.
9. the method for manufacture that is applied to the pigment flakes of spike anti-counterfeiting technology according to claim 8 is characterized in that the step of these micro picture and text of above-mentioned manufacturing comprises:
Make a micro picture and text template;
Coating one a substrate sealing coat and an imaging layer in a substrate; And
This micro picture and text template of mold pressing and this imaging layer are to be transferred to the micro picture and text on this micro picture and text template on this imaging layer.
10. the method for manufacture that is applied to the pigment flakes of spike anti-counterfeiting technology according to claim 9; It is characterized in that these micro picture and text of above-mentioned preparation magnetosphere and set comprise with the step that forms this magnetic module utilizes vacuum evaporation technology that one magnetosphere, a medium layer or a metal level vapor deposition are formed on this imaging layer to form this magnetic module, and this micro picture and text template of above-mentioned mold pressing and this imaging layer comprise with the step that the micro picture and text on this micro picture and text template are transferred on this imaging layer:
This magnetic module of demoulding forms a magneticthin film so that this substrate breaks away from;
Collect this magneticthin film;
Pulverize this magneticthin film to form this pigment flakes; And
This pigment flakes is carried out surface treatment.
CN2010102608348A 2010-08-24 2010-08-24 Pigment slice applied to tracing anti-counterfeit technology and manufacturing method thereof Pending CN102372944A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102608348A CN102372944A (en) 2010-08-24 2010-08-24 Pigment slice applied to tracing anti-counterfeit technology and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010102608348A CN102372944A (en) 2010-08-24 2010-08-24 Pigment slice applied to tracing anti-counterfeit technology and manufacturing method thereof

Publications (1)

Publication Number Publication Date
CN102372944A true CN102372944A (en) 2012-03-14

Family

ID=45792193

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010102608348A Pending CN102372944A (en) 2010-08-24 2010-08-24 Pigment slice applied to tracing anti-counterfeit technology and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN102372944A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110767075A (en) * 2019-12-05 2020-02-07 南方科技大学 Flexible anti-counterfeiting layer based on metal micro-nano network, and preparation method and application thereof
CN112442287A (en) * 2020-11-20 2021-03-05 惠州市华阳光学技术有限公司 Pigment flakes and inks
WO2022179030A1 (en) * 2021-02-24 2022-09-01 惠州市华阳光学技术有限公司 Magnetic pigment flake, optically variable ink, and anti-counterfeiting article

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000031571A1 (en) * 1998-11-24 2000-06-02 Flex Products, Inc. Color shifting thin film pigments
WO2008011108A2 (en) * 2006-07-18 2008-01-24 Jds Uniphase Corporation Holographic magnetic stripe demetalization security
CN101593459A (en) * 2009-06-25 2009-12-02 武汉华工图像技术开发有限公司 A kind of laser holographic anti-counterfeiting stamping foil that contains magnetic encryption information and preparation method thereof
CN101706595A (en) * 2009-01-05 2010-05-12 惠州市华阳光学技术有限公司 Magnetic light-variation film, film fragments and manufacturing method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000031571A1 (en) * 1998-11-24 2000-06-02 Flex Products, Inc. Color shifting thin film pigments
WO2008011108A2 (en) * 2006-07-18 2008-01-24 Jds Uniphase Corporation Holographic magnetic stripe demetalization security
CN101706595A (en) * 2009-01-05 2010-05-12 惠州市华阳光学技术有限公司 Magnetic light-variation film, film fragments and manufacturing method thereof
CN101593459A (en) * 2009-06-25 2009-12-02 武汉华工图像技术开发有限公司 A kind of laser holographic anti-counterfeiting stamping foil that contains magnetic encryption information and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110767075A (en) * 2019-12-05 2020-02-07 南方科技大学 Flexible anti-counterfeiting layer based on metal micro-nano network, and preparation method and application thereof
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
CN112442287A (en) * 2020-11-20 2021-03-05 惠州市华阳光学技术有限公司 Pigment flakes and inks
WO2022179030A1 (en) * 2021-02-24 2022-09-01 惠州市华阳光学技术有限公司 Magnetic pigment flake, optically variable ink, and anti-counterfeiting article

Similar Documents

Publication Publication Date Title
CN101392103B (en) Anisotropic magnetic flakes
CN101137730B (en) Electrically conductive ink, electrically conductive circuit, and noncontact-type medium
RU2738179C2 (en) Methods of producing layers with effect
RU2741436C2 (en) Methods of producing layers with effect
KR101290120B1 (en) Frames or borders around opaque flakes for covert security applications
RU2637223C2 (en) Magnetic or magnetized particles of pigment and layers with optical effect
CN103342064B (en) Positioning laser certificate anti-fake thin film for individually printing and preparation method thereof
US11802212B2 (en) Method for producing pigment fragments with a predefined internal and/or external contour using a crack-forming layer, and pigment fragments
CN102269927B (en) Anti-counterfeiting microstructure pigment and manufacturing process thereof
KR102597997B1 (en) Magnet assembly and method for producing an optical effect layer comprising oriented non-spherical magnetic or magnetisable pigment particles
US20120174824A1 (en) Scale-shaped filmy fines dispersion
JP7271826B2 (en) Assembly and process for producing optical effect layers containing oriented magnetic or magnetisable pigment particles
CZ298132B6 (en) Inorganic sheet provided with symbols for producing pigments
TW200804536A (en) Coating composition for producing magnetically induced images
CN102372944A (en) Pigment slice applied to tracing anti-counterfeit technology and manufacturing method thereof
CN103988100A (en) Display body, transfer foil, and article with display body
US10836918B2 (en) Microparticles and apparatus for smart ink production
US11577273B2 (en) Processes for producing optical effects layers
CN114728537A (en) Effect pigments, method for the production thereof, valuable documents and printing inks
JP5880653B2 (en) Method for producing fine particle-containing sheet
EP2753592B1 (en) Method of making a product with a functional relief surface with high resolution
Ahmad et al. Hydrodynamic confinement and capillary alignment of gold nanorods
EP2930662B1 (en) Bar code holder particle, preparation and use
CN103965680A (en) Preparation method for microstructure particle with interference fringes
JP5771961B2 (en) Method for producing fine particle-containing sheet

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20120314