CN104710877B - A kind of anti-forgery ink - Google Patents
A kind of anti-forgery ink Download PDFInfo
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- CN104710877B CN104710877B CN201310688233.0A CN201310688233A CN104710877B CN 104710877 B CN104710877 B CN 104710877B CN 201310688233 A CN201310688233 A CN 201310688233A CN 104710877 B CN104710877 B CN 104710877B
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- ink
- forgery
- raman
- forgery ink
- secure file
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/50—Sympathetic, colour changing or similar inks
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
- C09D11/103—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds of aldehydes, e.g. phenol-formaldehyde resins
Abstract
The invention provides a kind of anti-forgery ink, the ink includes the Raman labels material with Raman active.The ink can detect that the Raman signatures scattering peak of obvious marker material under 514.5nm light source activations.Its characteristic peak has uniqueness, can recognize that, can mark, and can distinguish with the other components in ink, is not disturbed by which, so can be used in the real and fake discrimination of banknote, marketable securities, with certain antiforge function.
Description
Technical field
The present invention relates to a kind of anti-forgery ink, particularly a kind of anti-forgery ink containing Raman labels material.
Background technology
At present, the fast development of Raman spectroscopy especially Raman spectrometer causes the detection to Raman active material to become
Obtain relatively easily, detectable limit is also greatly improved, therefore Raman active material is gradually by as special marker material, addition
Label ink is made in ink, for the false proof of secure file.As patent US005324567A, US005718754A,
US6610351B2、US005935755A。
In general, the material with the Raman active that can be detected by instrument can be used as marker material.But
As with certain anti-fraud functional materials'use, it is necessary to have concurrently disguised with detectable, recognizability, and both is typically
Conflicting.In addition the toleration also met by institute's applied environment.Known several Raman labels thing materials, such as
Polybutadiene alkynes used in US005324567A, azo, multi-ring chromophore used in US005718754A, in US6610351B2
It is using polymer, fullerene etc., in above patent to have used Organic substance as Raman labels thing, although can to detect more, but
It is but often unable to do what one wishes on toleration so as to which that reliability is restricted with practicality.
Accordingly, it would be desirable to explore new, both with strong Raman active, can be detected in low usage amount, good concealment, and
The Raman labels thing anti-forgery ink of the resistance requirements of use environment can be met, the species of Raman labels thing ink is enriched, be applied to
Anti-counterfeit field.
The content of the invention
The invention provides a kind of anti-forgery ink, the anti-forgery ink in addition to containing binder, pigment, filler and auxiliary agent, also
Comprising the Raman labels material with Raman active.The printing of banknote, marketable securities can be applied to as label anti-forgery ink.
A first aspect of the present invention is related to a kind of anti-forgery ink, contains Raman labels materials A, described Raman in the ink
Marker material A is the compound of crystalline silicon or silicon.Preferably, the content of the Raman labels materials A in the ink is 0.01-
3wt%.
In a preferred embodiment, the anti-forgery ink described in first aspect present invention, wherein the change of described silicon
Compound is selected from SiC, Si3N4、Mg2Si or its combination.
In a preferred embodiment, the anti-forgery ink described in first aspect present invention, wherein also containing Raman mark
Note material B, described Raman labels material B is selected from rare earth oxide, conductor oxidate or its combination.Preferably, the oil
The content of the Raman labels material B in ink is 0-3wt%（Such as 0-2.8wt%）.
In a preferred embodiment, the anti-forgery ink described in first aspect present invention, wherein described rare earth oxygen
Compound is selected from Tm2O3、Er2O3、Yb2O3Or combinations thereof.
In a preferred embodiment, the anti-forgery ink described in first aspect present invention, wherein described quasiconductor
Oxide is selected from SnO2、GeO2Or its combination.
In a preferred embodiment, in the ink Raman labels thing A and the content sum of Raman labels thing B
Between 0.01wt%～3wt%.
In a preferred embodiment, the anti-forgery ink described in first aspect present invention, also contains other in the ink
Anti-fake material, other described anti-fake materials are selected from luminous anti-fake material（Such as infrared anti-forging material, fluorescence falsification preventing material）, magnetic
Property anti-fake material, orientating function pigment or its combination.When being added using various labels, which each other can be any
Ratio combination addition.
Described infrared absorbing material can be patent application《Different-waveband infrared absorption/reflection is had obvious
The anti-forgery ink of contrast》（CN200710062742.7）In infra-red material used.Described magnetic material can be BASF AG
Iron oxides magnetic paint, described luminescent material can be patent application《Luminous anti-forgery ink and preparation method thereof and use
On the way》（CN02148815.0）In used luminescent material.Described orientating function pigment can be institute's public affairs in WO2010149266
The transparent/translucent pigment opened.
In a preferred embodiment, the anti-forgery ink described in first aspect present invention, the ink can for it is red,
The ink of any color such as yellow, blueness or green.
In a preferred embodiment, the anti-forgery ink described in first aspect present invention, the ink can be convex print
The ink of the printing types such as ink, gravure ink, offset ink or silk-screen ink.
In a preferred embodiment, the anti-forgery ink described in first aspect present invention, the ink can both be these
Body does not possess anti-fraud functional ink, or possesses certain anti-fraud functional ink, such as fluorescent ink, magnetic ink in itself
Or infrared printing ink.
In a preferred embodiment, the anti-forgery ink described in first aspect present invention, the ink include binder,
Pigment, filler, auxiliary agent and Raman labels material, the weight portion of each component are as follows：
Binder： 15-55（Such as 38,40 or 53）
Pigment： 20-50（Such as 30,35 or 40）
Filler： 10-40（Such as 10,20,25 or 30）
Auxiliary agent： 0-8（Such as 4,5,6,6.99 or 7）
Raman labels materials A： 0.01-3（Such as 0.01,0.1,0.2,1,2,2.5 or 3）
Raman labels material B： 0-3（Such as 0,1,1.5,2.8 or 2.9）
Preferably, described binder is selected from acrylic resin, rosin modified phenolic resin, epoxy acrylic resin, water
Property polyurethane or its combination；
Preferably, described pigment is selected from azophloxine, phthalocyanine blue, ultramarine, phthalocyanine green, permanent bordeaux F4R or its combination；
Preferably, described filler is selected from silicon dioxide, Calcium Carbonate, magnesium carbonate or its combination；
Preferably, described auxiliary agent is selected from palm wax, kerosene, paraffin, polyacrylate or its combination.
In a specific embodiment, described anti-forgery ink, its making step are as follows：
Step one：Every kind of marker material is weighed in proportion with binder, pigment, filler and auxiliary agent；
Step 2：Load weighted ink material processed in step one is mixed and rolled by three roller ink grinding mills, repetition is rolled
System three times, obtains label anti-forgery ink.
Anti-forgery ink described in first aspect present invention, wherein the characteristic information of described Raman labels thing materials A or B can
Detected by Raman spectrometer.This feature information can be come with the other components significant difference in ink, not interfere with each other, the oil
Ink can detect that characteristic peak that is obvious, can be used for labelling in the case where 514.5nm laser instrument is excited.
A second aspect of the present invention is related to the anti-forgery ink described in any one of first aspect present invention for printing security text
The purposes of part.
A third aspect of the present invention is related to a kind of secure file, and its surface is printed on described in any one of first aspect present invention
Anti-forgery ink.
In the present invention, described secure file include banknote, marketable securities, bank note, passport, identity document, the credit card,
Ticket, tax reciept, air ticket, steamer ticket, stamp, deposit receipt, bond, licence for opening accounts, trade mark.
In the present invention, described binder refer to can be used for print organic resin, including for offset printing, gravure,
The organic linking material of convex print, silk screen and soft version, such as polyurethane resin（The such as Witcobond785 of Baxenden companies,
Witcobond793 etc.）, acrylic resin（Such as the bright olefin(e) acid ester of epoxy, urethane acrylate, the bright olefin(e) acid ester of polyester）, be modified phenol
Urea formaldehyde（Rosin modified phenolic resin NP-REZ such as Hexion companies is serial）, modified alkyd resin（Such as Hexion companies
Rosin modified phenolic resin TERLON is serial）And vinylite（Such as ethylene-vinyl acetate copolymer resin）, polyamide resin
Fat etc..The drying mode of ink can be the mode of oxidation drying, radiation curing or heat cure.Described pigment refers to ink row
That what is commonly used in industry is organic（Such as phthalocyanine color, AZOpigments）Or it is inorganic（Such as oxide pigment, metallic pigments）Pigment.Described fills out
Material can be filled in ink Calcium Carbonate, magnesium carbonate, silicon dioxide Kaolin etc..Described auxiliary agent includes desiccant, stream
The ink usual auxiliaries such as flat agent, defoamer, such as palm wax, kerosene, paraffin, polyacrylate etc..
The anti-forgery ink that the present invention is provided is excited by 514.5nm laser instrument, can detect that every kind of Raman labels material
Characteristic Raman scattering peak, detected Raman scattering peak are matched with the characteristic peak of the marker material added.The present invention
Anti-forgery ink be applied to the resistance requirements that anti-counterfeit field can meet institute's use environment, can be used for the printing of banknote, marketable securities,
By the differentiation of label raman characteristic peak on printing product, the real and fake discrimination to banknote, marketable securities can be carried out.
Anti-forgery ink provided by the present invention have uniqueness, can detect, can mark, recognizability, can be used in paper money
The real and fake discrimination of ticket, marketable securities, with certain antiforge function.There is the inorganic of Raman active containing one or more wherein
Thing crystalline material so that ink can detect that under Raman spectrometer uniqueness Raman scattering peak, not with usual ink, coating,
The Raman signatures of pulp compositions are mutually disturbed, after printing becomes printing, easily detection, easy to identify, even low content is using also can quilt
Rapid Detection, though as addition as little as 0.05% when detection time only need 10s.And label used is inorganic crystal
Material, good stability are used as label anti-fake material, with good patience, according to GB/T5211.5-2008《Pigment
Tolerance determination method》Described method carries out patience experiment to Raman labels thing material involved in the present invention, its drawing after experiment
Graceful feature still can be detected.Additionally, anti-forgery ink provided by the present invention may be used also in addition to Raman signatures antiforge function
There are other security features, such as infrared, fluorescence, magnetic simultaneously.
Description of the drawings
Raman spectrograms of the Fig. 1 (a) for label SiC；
Fig. 1 (b) is label Si3N4Raman spectrogram；
Fig. 1 (c) is label Mg2The Raman spectrogram of Si；
Fig. 1 (d) is label Tm2O3Raman spectrogram；
Fig. 1 (e) is label SnO2Raman spectrogram；
Fig. 2 is containing the Raman spectrogram with the not fluorescent ink containing label；
Fig. 3（a）To Fig. 3（d）Be containing with not containing label fluorescent ink appearance color comparison diagram, wherein：
Fig. 3（a）For the appearance color of the fluorescent ink containing label under daylight,
Fig. 3（b）For the appearance color of the fluorescent ink containing label under ultraviolet light,
Fig. 3（c）The appearance color of the fluorescent ink not contain label under daylight,
Fig. 3（d）For the appearance color of the fluorescent ink without label under ultraviolet light.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and should not be taken as limiting the scope of the invention.It is unreceipted concrete in embodiment
Condition person, the condition advised according to normal condition or manufacturer are carried out.Material therefor or the unreceipted production firm person of component, are
Can pass through city available from conventional products.
Embodiment 1：
1 anti-forgery ink constituent content of table
Component content as listed by table 1 is weighed to ink each component, wherein polyurethane acrylic resin used is
The EBECRYL220 of CYTEC companies is serial, and other components are also commercially available.By the material after weighing on three roller ink grinding mills
Mixed and rolled, repeated rolling three times, make label gravure ink.Gained ink is drawn a design, using Britain's thunder
The micro- Confocal laser-scanning microscopy instrument of the in via models of Ni Shao companies production carries out Raman spectrum detection, light source used to sample
For the argon ion laser of 514.5nm, laser output power is 20mW.The available Raman spectrogram as shown in Fig. 1 (a),
750cm-1～970cm-1In the range of there is obvious raman characteristic peak, be the characteristic peak of marker material SiC.And do not adding
Then there is no this feature in the ink spectrogram of label.
Embodiment 2：
2 anti-forgery ink constituent content of table
Component content as listed by table 2 is weighed to ink each component, wherein rosin modified phenolic resin used is
The rosin modified phenolic resin NP-REZ of Hexion companies is serial, TEGO of the polyacrylate used for EVONIK companies
Foamex N are serial, and other components are also commercially available.Material after weighing on three roller ink grinding mills is mixed and rolled
System, repeats rolling three times, makes label offset ink.Gained ink is drawn a design, using 1 instrument of embodiment and bar
Part carries out Raman spectrum detection to sample, the Raman spectrogram as shown in Fig. 1 (b) is obtained, in 170cm-1～240cm-1Scope
Inside there is obvious raman characteristic peak, be marker material Si3N4Characteristic peak.And in the ink spectrogram for not adding label
Then there is no this feature.
Embodiment 3：
3 anti-forgery ink constituent content of table
Component content as listed by table 3 is weighed to ink each component, wherein epoxy acrylic resin used is CYTEC
The EBECRYL860 of company is serial, and other components are also commercially available.TEGO of the polyacrylate used for EVONIK companies
RAD2200N is serial.Material after weighing on three roller ink grinding mills is mixed and rolled, is repeated rolling three times, is made labelling
Thing UV silk-screen inks.Gained ink is drawn a design, Raman spectrum inspection is carried out to sample using 1 instrument of embodiment and condition
Survey, two kinds of Raman spectrograms as shown in Fig. 1 (c), Fig. 1 (d) are obtained, respectively in 140cm-1～255cm-1With 320cm-1~
610cm-1In the range of there is obvious raman characteristic peak, respectively marker material Mg2Si and Tm2O3Characteristic peak.And do not adding
Then there is no this feature in entering the ink spectrogram of label.
Embodiment 4：
4 anti-forgery ink constituent content of table
Component content as listed by table 4 is weighed to ink each component, wherein rosin modified phenolic resin used is
The rosin modified phenolic resin NP-REZ of Hexion companies is serial, and other components are also commercially available.By the material after weighing
On three roller ink grinding mills mixed and rolled, repeated rolling three times, make label auxiliary agent letterpress printing ink.Gained ink is entered
Row is drawn a design, and carries out Raman spectrum detection to sample using 1 instrument of embodiment, and the Raman as shown in Fig. 1 (c), (e) is obtained
Spectrogram.Fig. 1 (c) is in 140cm-1～255cm-1In the range of there is obvious raman characteristic peak, be marker material Mg2The spy of Si
Levy peak.Fig. 1 (e) is in 450cm-1～770cm-1In the range of there is obvious raman characteristic peak, be marker material SnO2Feature
Peak.
Embodiment 5：
5 anti-forgery ink constituent content of table
Component content as listed by table 5 is weighed to ink each component, wherein aqueous polyurethane used is CYTEC companies
EBECRYL860 it is serial, other components are also commercially available.Material after weighing is mixed on three roller ink grinding mills
With rolling, repeat rolling three times, make label gravure ink.Gained ink is drawn a design, using 1 instrument of embodiment
Raman spectrum detection is carried out to sample with condition, the Raman spectrogram as shown in Fig. 1 (c), Fig. 1 (d), Fig. 1 (e) is obtained.Point
Not in 140cm-1～255cm-1、320cm-1～610cm-1、450cm-1～770cm-1In the range of there is obvious raman characteristic peak,
Respectively marker material Mg2Si、Tm2O3、SnO2Characteristic peak.And then do not exist in the ink spectrogram for do not add label
These features.
Embodiment 6：
The marker material of the present invention can also be provided simultaneously with ink various false proof with other antiforge function compound uses
Feature.The present embodiment is with label Mg2As a example by Si, Raman labels thing is added into into Beijing the green of Rong'an Quan Yinwu companies production
Fluorescence 365-G493 ink（Green glow is sent under 365nm light source activations）In, adding proportion is 0.1wt%, makes Raman labels thing convex
Printing ink.Gained ink is drawn a design, Raman spectrum detection is carried out to sample using 1 instrument of embodiment and condition, can
Obtain identical from the marker material characteristic peak for being added and different with the ink feature peak for being not added with label Raman spectrum
Figure, as shown in Figure 2.And from Fig. 3（a）To Fig. 3（d）Understand, the addition of label is not affected on the appearance color of ink, nothing
By being in the sunlight or under ultraviolet light.The addition of label does not affect the fluorescence property of ink itself, the ink both to have
There is fluorescent characteristic that also there are Raman signatures.
It should be noted that although the present embodiment is only as a example by fluorescent characteristic, the present invention is not limited only to this, this
The involved Raman signatures of invention and infrared, magnetic, light become feature also can compound use, and do not affect itself antiforge function.
Claims (23)
1. a kind of anti-forgery ink, contains Raman labels materials A in the ink, described Raman labels materials A be crystalline silicon or
Mg2Si；
The content of the Raman labels materials A in the ink is 0.01-3wt%.
2. the anti-forgery ink of claim 1, wherein the Raman labels material B also containing 0-3wt%, described Raman labels material
B is selected from rare earth oxide, conductor oxidate or its combination.
3. the anti-forgery ink of claim 2, the content of the Raman labels material B in the ink is 0-2.8wt%.
4. the anti-forgery ink of claim 2, wherein described rare earth oxide is selected from Tm2O3、Er2O3、Yb2O3Or its combination
Thing.
5. the anti-forgery ink of claim 2, wherein described conductor oxidate is selected from SnO2、GeO2Or its combination.
6. the anti-forgery ink of any one of claim 1 to 5, also contains other anti-fake materials in the ink, and other described are false proof
Material is selected from luminous anti-fake material, magnetic anti-counterfeit material, functional pigment or its combination.
7. the anti-forgery ink of claim 6, the luminous anti-fake material are infrared anti-forging material or fluorescence falsification preventing material.
8. the anti-forgery ink of any one of claim 1 to 5, the ink is the ink of redness, yellow, blueness or green.
9. the anti-forgery ink of any one of claim 1 to 5, the ink are letterpress printing ink, gravure ink, offset ink or silk screen oil
Ink.
10. the anti-forgery ink of any one of claim 1 to 5, the ink are fluorescent ink, magnetic ink or infrared printing ink.
The anti-forgery ink of 11. any one of claim 1 to 5, the ink include binder, pigment, filler, auxiliary agent and Raman labels
Material, the weight portion of each component are as follows：
The anti-forgery ink of 12. claim 11, described binder are selected from acrylic resin, rosin modified phenolic resin, epoxy
Acrylic resin, aqueous polyurethane or its combination.
13. claim 11 anti-forgery inks, described pigment selected from azophloxine, phthalocyanine blue, ultramarine, phthalocyanine green, permanent bordeaux F4R or
Its combination.
The anti-forgery ink of 14. claim 11, described filler is selected from silicon dioxide, Calcium Carbonate, magnesium carbonate or its combination.
The anti-forgery ink of 15. claim 11, described auxiliary agent are selected from palm wax, kerosene, paraffin, polyacrylate or its group
Close.
The anti-forgery ink of 16. any one of claim 1-15 is used for the purposes of printing security file.
The purposes of 17. claim 16, described secure file include marketable securities or identity document.
The purposes of 18. claim 16, described secure file include banknote, passport, the credit card, check, tax reciept, air ticket, ship
Ticket, stamp, deposit receipt, bond, licence for opening accounts or trade mark.
The purposes of 19. claim 16, described secure file include bank note.
A kind of 20. secure files, its surface is printed on the anti-forgery ink of any one of claim 1-15.
The secure file of 21. claim 20, described secure file include marketable securities or identity document.
The secure file of 22. claim 20, described secure file include banknote, passport, the credit card, check, tax reciept, machine
Ticket, steamer ticket, stamp, deposit receipt, bond, licence for opening accounts, trade mark.
The secure file of 23. claim 20, described secure file include bank note.
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| CN201310688233.0A CN104710877B (en) | 2013-12-16 | 2013-12-16 | A kind of anti-forgery ink |
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| CN201310688233.0A CN104710877B (en) | 2013-12-16 | 2013-12-16 | A kind of anti-forgery ink |
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| CN104710877B true CN104710877B (en) | 2017-04-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105315768B (en) * | 2015-11-12 | 2018-03-06 | 深圳美联兴科技股份有限公司 | A kind of LED UV cured offset printing inks |
| CN106280712A (en) * | 2016-08-24 | 2017-01-04 | 苏州市博来特油墨有限公司 | Environment-friendly water-based Offset print anti-forgery ink |
| CN106700734A (en) * | 2017-03-21 | 2017-05-24 | 湖南福瑞印刷有限公司 | Organic silicon modified optical-variable anti-fake ink |
| CN107053883B (en) * | 2017-04-20 | 2019-11-12 | 东莞当纳利印刷有限公司 | The printing technology of environment-friendly and green type paper class product |
| CN107057464A (en) * | 2017-04-27 | 2017-08-18 | 安徽斌欣电子科技有限公司 | Environment-friendly long-life luminous ink and preparation method thereof |
| CN107084958B (en) * | 2017-05-09 | 2019-09-13 | 东华大学 | A kind of discrimination method of polymer material |
| CN107312382A (en) * | 2017-08-02 | 2017-11-03 | 界首市鑫旺彩印研发中心 | A kind of antioxidation environmental protection ink |
| GB2580324B (en) * | 2018-12-28 | 2022-09-14 | Guy Stevens Henry | Paint including a taggant |
| CN111426673A (en) * | 2019-06-27 | 2020-07-17 | 南京工业大学 | Gold and silver hybrid nano-particles and preparation method and application thereof |
| CN111040516A (en) * | 2019-12-30 | 2020-04-21 | 天津市中环天佳电子有限公司 | Rare-earth anti-fake inkpad |
| CN111709507B (en) * | 2020-06-14 | 2021-09-28 | 北京化工大学 | Multilayer color code micro-marker capable of coding information and preparation method thereof |
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| JPS63122770A (en) * | 1986-11-12 | 1988-05-26 | Toagosei Chem Ind Co Ltd | Resist ink composition |
| CN102668115A (en) * | 2009-09-21 | 2012-09-12 | 纳克公司 | Silicon inks for thin film solar solar cell formation, corresponding methods and solar cell structures |
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| GB9002360D0 (en) * | 1990-02-02 | 1990-04-04 | De La Rue Co Plc | Ink composition and components thereof |
| FR2812300B1 (en) * | 2000-07-28 | 2003-01-10 | Cypher Science | SECURE OPTICALLY REVELABLE LIQUID INK AND METHOD OF MARKING PRODUCTS WITH SUCH AN INK |
| CN101362871B (en) * | 2007-08-10 | 2010-12-22 | 中国印钞造币总公司 | Water-scraped without set-off intaglio ink |
| CN103087555B (en) * | 2012-12-11 | 2014-12-03 | 中钞油墨有限公司 | Microstructure metallic pigment with anti-fake function and preparation method of microstructure metallic pigment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63122770A (en) * | 1986-11-12 | 1988-05-26 | Toagosei Chem Ind Co Ltd | Resist ink composition |
| CN102668115A (en) * | 2009-09-21 | 2012-09-12 | 纳克公司 | Silicon inks for thin film solar solar cell formation, corresponding methods and solar cell structures |
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| CN104710877A (en) | 2015-06-17 |
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Effective date of registration: 20210517 Address after: 100070 8th floor, building 2, No.5 Zhonghe Road, Fengtai Science City, Fengtai District, Beijing Patentee after: China Banknote Printing Technology Research Institute Co.,Ltd. Patentee after: CHINA BANKNOTE PRINTING AND MINTING Corp. Address before: 100070 science Road 5, Beijing, Fengtai District Patentee before: SECURITY PRINTING INSTITUTE OF PEOPLE'S BANK OF CHINA Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |
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Address after: 100070 8th floor, building 2, No.5 Zhonghe Road, Fengtai Science City, Fengtai District, Beijing Patentee after: China Banknote Printing Technology Research Institute Co.,Ltd. Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: 100070 8th floor, building 2, No.5 Zhonghe Road, Fengtai Science City, Fengtai District, Beijing Patentee before: China Banknote Printing Technology Research Institute Co.,Ltd. Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |