CN1580148A - Cipher-loaded multiple colour-match efficient luminous anticounterfeit ink paste, and its preparation and use - Google Patents
Cipher-loaded multiple colour-match efficient luminous anticounterfeit ink paste, and its preparation and use Download PDFInfo
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- CN1580148A CN1580148A CN 200310110416 CN200310110416A CN1580148A CN 1580148 A CN1580148 A CN 1580148A CN 200310110416 CN200310110416 CN 200310110416 CN 200310110416 A CN200310110416 A CN 200310110416A CN 1580148 A CN1580148 A CN 1580148A
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Abstract
The invention publishes a kind of inkpad with cipher and multi-ply color ratio and inefficient irradiance. Because the invention made up of inefficient irradiance rare-earth element and every proportion of material is chosen strictly, compounded scientifically and process of firing is exactly, so it can give off high strength fluorescence spectrum when shining under the infrared ray and then it can be used into cipher. If mix the popular red inkpad with the mother material, the new one can produce 5- scale color fluorescence. Thus, the invention can be recognized veritable or bogus by men and photoelectrical numeral equipment the invention can be used widely in printing field such as kinds of notes, badge, stamp, seal and so on.
Description
Technical field
The present invention relates to a kind of improved false proof luminescent material that is applied to be used as in the print field, particularly can and digital show that detection technique combine, be specially and a kind ofly not only can but also can in photoelectric digital equipment, detect output data and the efficient luminous anti-fake inkpad of multiple color ratio of energy load pin and preparation thereof, application in Direct Recognition visually with infrared ray excited multiband fluorescence technology.
Background technology
Existing print field and employed material, the particularly ink paste to using in various bills, the badge, more and more higher to its anti-counterfeiting technology requirement, the anti-counterfeiting technology solution in this field is also varied.For example, patent publication No. be the patent applicant of CN1087923A (application number is 92113806.7) disclose by a kind of four allusion quotations of reversible thermochromic close mercury acid cuprous with the composite allochromatic ink paste of semi-drying oil, the false proof measure of this ink paste is: can become black by redness after the heating.And for example, patent publication No. is that the patent applicant of CN1172830A (application number is 96109157.6) discloses a kind of ink paste that is printed the material nexine that may penetrate into.And patent publication No. is the ultraviolet excited fluorescence ink paste anti-counterfeiting technology in the method for manufacturing multifunctional anti-fake inkpad of CN1227859A (application number is 98119855.6).The disclosed anti-fake inkpad of above-mentioned patent applicant mainly is based on organic substance, and inorganic substance are auxilliary to make raw material, thus there is the synthesis technique complexity, the materials harshness, cost is higher, and anti-counterfeit capability is subjected to the restriction of certain condition, and false proof lower grade.In its previous number of patent application was 00113404.3 application, to adopt energy converting function material to handle anti-counterfeiting technology be infrared technique in the great developing and the development in antiforge field by applicant of the present invention.But this field need be improved in combining also aspect the number demonstration, if can give full play to the information potential of rear-earth-doped luminous material institute load, improve false proof grade, prepare and have the luminescent material that multiband enriches the multiple color ratio of promptly having of fluorescent band relation and mix ink paste, and can load pin, realize that both available eyes are directly distinguished and also can use photoelectricity, digital equipment detection, output data simultaneously, undoubtedly, the anti-counterfeit capability of this print field therefore luminescent material widespread usage and strengthened significantly and improved.
Summary of the invention
At above-mentioned situation, the object of the present invention is to provide and a kind ofly not only can but also can in photoelectric digital equipment, detect output data and the efficient luminous anti-fake inkpad of multiple color ratio that can load pin in Direct Recognition visually.
Purpose of the present invention also will provide a kind of method for preparing above-mentioned anti-fake inkpad.
Purpose of the present invention also will provide a kind of efficient luminous anti-fake inkpad of multiple color ratio of energy load pin, this ink paste can send high strength multiband multicolor fluorescence specific under infrared ray excited, detect output data for user's Direct Recognition with in photoelectric digital equipment, implement the special method of multistage cipher counterfeit-proof.
For solving above-mentioned task, of the present inventionly a kind ofly not only can but also can in photoelectric digital equipment, detect output data and the efficient luminous anti-fake inkpad of multiple color ratio that can load pin in Direct Recognition visually, by the fluorochemical of ytterbium as the sensitivity speck compound, with from erbium, neodymium, samarium, select at least a in the fluorochemical of thulium and holmium as the luminescence center compound, with from zinc fluoride, Zirconium tetrafluoride, germanium oxide, strontium fluoride, magnesium fluoride, Sodium Fluoride, zinc sulphide, ammonium aluminum fluoride, barium fluoride, cadmium fluoride, lanthanum fluoride, zinc oxide, it is at least a as luminescence center structure carrier composition composition to select it in boron oxide and the zinc chloride, after described composition mixing and mechanical mill, fire program by precision and make ceramic semi-finished product, again with described ceramic semi-finished product grind into powder finished product.
Its further step is:
Described finished product contains in the composition that has five heavy color ratios at least, comprise that containing described sensitivity speck compound fluoridizes ytterbium, with contain described luminescence center compound and fluoridize erbium, with the zinc fluoride that contains described luminescence center carrier, Zirconium tetrafluoride, germanium oxide, strontium fluoride, magnesium fluoride, Sodium Fluoride and zinc sulphide, its component and content are:
Fluoridize ytterbium (YbF
3) 0.2～50%
Fluoridize erbium (ErF
3) 0.1～18%
Zinc fluoride (ZnF
2) 5～60%
Zirconium tetrafluoride (ZrF
4) 5～50%
Germanium oxide (GeO
2) 5～40%
Strontium fluoride (SrF
2) 2～20%
Magnesium fluoride (MgF
2) 2～20%
Sodium Fluoride (NaF) 1～5%
Zinc sulphide (ZnS) 1～20%
Described finished product contains in the composition that has five heavy color ratios at least, also comprise and select at least a compound the fluorochemical of the neodymium, samarium, thulium and the holmium that contain from described luminescence center, select at least a compound with containing from ammonium aluminum fluoride, barium fluoride, cadmium fluoride, lanthanum fluoride, zinc oxide, boron oxide and the zinc chloride of described luminescence center carrier, each component concentration is no more than in the described composition:
Neodymium fluoride (NdF
3) 15%
Samaric fluoride (SmF
3) 8%
Fluoridize thulium (TmF
3) 6%
Holmium fluoride (HoF
3) 20%
Ammonium aluminum fluoride [(NH
4)
3AlF
6] 40%
Barium fluoride (BaF
2) 50%
Cadmium fluoride (CdF
2) 40%
Lanthanum fluoride (LaF
3) 10%
Zinc oxide (ZnO) 20%
Boron oxide (B
2O
3) 5%
Zinc chloride (ZnCl
2) 40%
Its further measure be: described finished product contains and has five heavy color ratios at least and join with the load pin parameter that to select component and finish one group of background that corresponding sintering procedure obtained be producing in the composition of pale fluorescence down in that 980 nanometers (nm) are infrared ray excited of redness, and its component, content and spectrum color than relation value are:
Magnesium fluoride (MgF
2) 2.20%
Strontium fluoride (SrF
2) 5.20%
Zirconium tetrafluoride (ZrF
4) 5.50%
Germanium oxide (GeO
2) 9.52%
Barium fluoride (BaF
2) 12.47%
Cadmium fluoride (CdF
2) 4.42%
Sodium Fluoride (NaF) 1.43%
Zinc fluoride (ZnF
2) 3.91%
Zinc sulphide (ZnS) 10.59%
Fluoridize ytterbium (YbF
3) 39.60%
Fluoridize erbium (ErF
3) 4.14%
Fluoridize thulium (TmF
3) 1.02%
Fluorescence title: near infra-red light green glow blue light purple light
Spectrum color is than relation value: 102: 100: 11: 254.5: 5
Described finished product contains to have five heavy color ratios at least and join with the load pin parameter and selects component and to finish one group of background that corresponding sintering procedure obtained be that the rice (nm) in 980 of redness is infrared ray excited can produce in the composition of yellow fluorescence down, and its component, content and spectrum color than relation value are:
Magnesium fluoride (MgF
2) 5.88%
Strontium fluoride (SrF
2) 3.25%
Zirconium tetrafluoride (ZrF
4) 6.59%
Germanium oxide (GeO
2) 15.52%
Boron oxide (B
2O
3) 2.00%
Ammonium aluminum fluoride [(NH
4)
3AlF
6] 10.47%
Sodium Fluoride (NaF) 3.50%
Zinc fluoride (ZnF
2) 14.15%
Zinc sulphide (ZnS) 12.1%
Fluoridize ytterbium (YbF
3) 19.42%
Fluoridize erbium (ErF
3) 5.12%
Fluoridize thulium (TmF
3) 2.0%
Fluorescence title: near infra-red light green glow blue light purple light
Spectrum color is than relation value: 39.4: 100: 104: 3: 1.4
Another technical solution of the present invention is a kind of preparation method of the efficient luminous anti-fake inkpad of multiple color ratio of energy load pin, with each component in the composition, weigh by weight percentage and be ground to more than 2 hours after mixing, pour in the corundum crucible, fire program by precision then and make ceramic semi-finished product; Described precision is fired program and is included in 300 ℃, 500 ℃ of constant temperature 30 minutes respectively, and in 600 ℃～800 ℃ temperature, look the apolegamy component and select a steady temperature, constant temperature is poured out cooling after 1 hour, and each stage temperature rise rate is 6 ℃/minute; Described ceramic semi-finished product obtains granularity less than 18 microns in grinding in ball grinder after 1～5 hour, and satisfies the finished product of the multiple color ratio parameter request of the high spectral intensity of multiband.
For the special method of realizing anti-fake inkpad of the present invention is, with the ink paste in the printing is carrier, getting a certain amount of described finished product joins in this carrier as false proof mother metal, promptly obtain one group have multiple color ratio relation can the load information password not only can but also can in photoelectric digital equipment, detect the anti-fake inkpad of output data in Direct Recognition visually, after described false proof mother metal mixed ink paste, its each wave band fluorescence intensity ratio remains unchanged, be that anti-fake inkpad color ratio relation is identical with described false proof mother metal, the infrared excitation fluorescence color and the multiple color ratio relation of promptly mixing the anti-fake inkpad behind the finished product mother metal remain unchanged, this anti-fake inkpad can excite the fluorescence that produces at least five heavy color ratio relations down at specific near infrared light, make it and in Direct Recognition visually and to distinguish color and can detect each wave band fluorescence spectrum intensity and by the color ratio value parameter of digital display equipment output checked object for photoelectric conversion device again, with the color ratio value parameter contrast of this color ratio value parameter and setting, check both true and falses and implement multistage cipher counterfeit-proof for the user.
Above-mentioned special method has elementary false proof and senior false proof combine multistage false proof.
Described elementary false proof be meant 800～1100 nanometers (nm) specific infrared ray excited down, hair tonic is for visual different colours visible light, if set the proportioning and the sintering technology of mother metal, can realize visually the ruddiness, gold-tinted corresponding to this setting, yellowish green, green glow, blue light, purple light, light white all light.
Getting by the 5-40% of ink paste gross weight that red false proof mother metal is incorporated into the redness is in the ink paste of true qualities, and this ink paste can excite near infrared light and produce bright red fluorescence down.
It is in the ink paste of true qualities that the false proof mother metal of getting green, yellow or other color by the 5-40% of ink paste gross weight is incorporated into the redness, and this ink paste can excite near infrared light and produce bright green, yellow or other color fluorescence down.
But it is described senior false proof that be meant load pin also and have a multiple color ratio relation and can detect each wave band fluorescence spectrum intensity and by the color ratio value parameter of digital display equipment output checked object for photoelectric conversion device.
Get false proof mother metal by the 5-40% of ink paste gross weight and be incorporated in the ink paste, this ink paste can excite near infrared light and produce the bright fluorescence of at least five heavy color ratios down, for detecting and export its color ratio value.Color ratio value with this color ratio value and setting contrasts, and reaches the purpose of the difference that can distinguish the two.Adopt opto-electronic conversion and digital display equipment to detect, export to any anti-fake inkpad, all can obtain proportioning and the corresponding one group of color ratio value of sintering technology with mother metal.Described color ratio value is meant that mixing finished product is that the ink paste of false proof mother metal sends high-intensity multiband mixing fluorescence specific under infrared ray excited, pass through grating beam splitting, utilize photomultiplier or other photodetector that each wave band fluorescence intensity is measured, calculate each fluorescence band light intensity ratio, promptly obtain the color ratio value of this group; After perhaps mixed light being collected, receive each wave band fluorescence respectively with induction wave band and the corresponding optical detection device of each fluorescence wave band of anti-fake inkpad, with the amplifying respectively with the corresponding a plurality of electrical signal of each wave band fluorescence intensity and be converted to numerary signal of optical detection device conversion, directly show the color ratio value by Computer Processing; The integral body that perhaps adopts the full-automatic integrated mode comprise high integrated detector to finish the multiband multicolor fluorescence of checked object excites, receives, and subregion collection, conversion focus on, show, export all processes of its multiple color ratio value parameter at last.Because each anti-fake inkpad of setting can produce one group of fixed color ratio value corresponding with this setting, this color ratio value is exactly the anti-forge cipher of described anti-fake inkpad.
Because it is false proof mother metal composition that the present invention adopts the efficient rare-earth luminescent material, and each component carried out strict materials are selected, scientific and reasonable assembly, and fire program in conjunction with precision, be present in ink paste field of anti-counterfeit technology selected materials harshness thereby solved, the synthesis technique complexity, the false proof condition restriction that is subjected to, false proof grade is on the low side, is unfavorable for that photoelectricity, digital equipment detect, the difficult problem of output.Make it to have certain and can send under infrared ray excited from ultraviolet to infrared a plurality of high strength fluorescent bands, these bands of a spectrum all are used as the anti-counterfeiting information password.In existing ink paste, mix the pseudo-mother metal of various different preventing,, reach Direct Recognition visually, show the antifalse effect that it is unique, constitute elementary false proof barrier at the infrared ray excited fluorescence that produces different colours down; Also can be closed by stable spectral intensity ratio and color ratio is setting code, and for the color ratio value of photoelectricity, digital equipment detection, output checked object, the color ratio value of this color ratio value and setting contrasts, and just can distinguish both true and falses, constitutes the false proof barrier of secondary.The present invention also has each constant temperature zone time weak point in the preparation process, and firing temperature is no more than 800 ℃, fires program specification, and the energy consumes lower.It is widely used in various bills, badge and seal, ink pad, seal, the used ink paste of seal inkstone false proof in the existing print field.
Below the present invention is further detailed explanation.
Accompanying drawing given below is the spectrograms of two kinds of anti-fake inkpads of the present invention under 980 nanometers (nm) are infrared ray excited.X-coordinate is a wave number among the figure, and unit is 1/ centimetre of (cm
-1), ordinate zou is a relative intensity, has also marked the emission wavelength position of the main peak position of each fluorescence band among the figure, unit is nanometer (nm).Two figure have five fluorescence bands respectively at least, and Fig. 1 is different with each fluorescence band relative intensity among Fig. 2.The fluorescence band relative intensity measure of anti-fake inkpad near infrared, ruddiness, green glow, blue light, purple light district gone out, calculate fluorescence intensity ratio near infrared, ruddiness, green glow, blue light, the purple light district, be five heavy color ratio relations.Obviously the pairing two kinds of ink paste of accompanying drawing constitute a cover five heavy color ratio relations separately, thereby anti-counterfeiting information password is separately arranged.Simultaneously, each fluorescence band relative intensity difference, according to the additive color principle, two kinds of ink paste show different visual colors on vision physiological.The ink paste of Fig. 1 correspondence shows as green in visually.The ink paste of Fig. 2 correspondence shows as pale in visually.
Description of drawings
Fig. 1 is of the present invention a kind of at the infrared ray excited following green spectrogram that shows as in visually of 980 nanometers (nm).
Fig. 2 is of the present invention a kind of at the infrared ray excited following pale spectrogram that shows as in visually of 980 nanometers (nm).
Embodiment
Below in conjunction with specific embodiment the present invention is done further detailed explanation.
Embodiment one, and in the false proof mother metal composition, its component and content are:
Zinc fluoride (ZnF
2) 8.10%
Fluoridize and receive (NaF) 1.40%
Zirconium tetrafluoride (ZrF
4) 6.10%
Fluoridize ytterbium (YbF
3) 21.20%
Germanium oxide (GeO
2) 11.21%
Magnesium fluoride (MgF
2) 7.20%
Strontium fluoride (SrF
2) 10.53%
Zinc sulphide (ZnS) 12.16%
Boron oxide (B
2O
3) 2.28%
Zinc oxide (ZnO) 2.55%
Zinc chloride (ZnCl
2) 16.87%
Fluoridize erbium (ErF
3) 0.40%
With said components weighing by weight percentage, fully ground 2 hours, put into corundum crucible, fire program, at 300 ℃ by precision, 500 ℃ of constant temperature 30 minutes respectively, each section temperature rise rate is 6 ℃/minute, and 650 ℃ of constant temperature 1 hour, the cooling of falling the sample made ceramic semi-finished product at last, grinding in ball grinder 3 hours, making granularity was false proof mother metal less than the finished product of 16 microns (um) with described ceramic semi-finished product.20% get false proof mother metal powder and mix background for making anti-fake inkpad in the red ink paste by what account for the ink paste gross weight, this ink paste is at the infrared ray excited green fluorescence that becomes clear that can produce down of 980 nanometers (nm).The color ratio relation is as follows:
Fluorescence title: near infra-red light green glow blue light purple light
Spectrum color is than relation value: 101: 100: 582: 3: 1
Embodiment two, and in the false proof mother metal composition, its component and content are:
Magnesium fluoride (MgF
2) 2.20%
Strontium fluoride (SrF
2) 5.20%
Zirconium tetrafluoride (ZrF
4) 5.50%
Germanium oxide (GeO
2) 9.52%
Barium fluoride (BaF
2) 12.47%
Cadmium fluoride (CdF
2) 4.42%
Sodium Fluoride (NaF) 1.43%
Zinc fluoride (ZnF
2) 3.91%
Zinc sulphide (ZnS) 10.59%
Fluoridize ytterbium (YbF
3) 39.60%
Fluoridize erbium (ErF
3) 4.14%
Fluoridize thulium (TmF
3) 1.02%
With said components weighing by weight percentage, fully ground 2 hours, put into corundum crucible, fire program, at 300 ℃ by precision, 500 ℃ of constant temperature 30 minutes respectively, each section temperature rise rate is 6 ℃/minute, and 780 ℃ of constant temperature 1 hour, the cooling of falling the sample made ceramic semi-finished product at last, grinding in ball grinder 4 hours, making granularity was false proof mother metal less than the finished product of 16 microns (um) with described ceramic semi-finished product.20% get false proof mother metal powder and mix background and can produce pale fluorescence at the infrared ray excited ink paste down of 980 nanometers (nm) by what account for the ink paste gross weight for making anti-fake inkpad in the red ink paste.The color ratio relation is as follows:
Fluorescence title: near infra-red light green glow blue light purple light
Spectrum color is than relation value: 102: 100: 11: 254.5: 5
Embodiment three, and in the false proof mother metal composition, its component and content are:
Magnesium fluoride (MgF
2) 3.02%
Strontium fluoride (SrF
2) 8.20%
Zirconium tetrafluoride (ZrF
4) 10.10%
Germanium oxide (GeO
2) 10.63%
Lanthanum fluoride (LaF
3) 3.01%
Sodium Fluoride (NaF) 1.43%
Zinc fluoride (ZnF
2) 12.37%
Zinc sulphide (ZnS) 15.32%
Fluoridize ytterbium (YbF
3) 31.33%
Fluoridize erbium (ErF
3) 3.08%
Neodymium fluoride (NdF
3) 1.51%
With said components weighing by weight percentage, fully ground 2 hours, put into corundum crucible, fire program, at 300 ℃ by precision, 500 ℃ of constant temperature 30 minutes respectively, each section temperature rise rate is 6 ℃/minute, and 700 ℃ of constant temperature 1 hour, the cooling of falling the sample made ceramic semi-finished product at last, grinding in ball grinder 4 hours, making granularity was false proof mother metal less than the finished product of 16 microns (um) with described ceramic semi-finished product.20% get false proof mother metal powder and mix background and can produce the red fluorescence that becomes clear at the infrared ray excited ink paste down of 980 nanometers (nm) by what account for the ink paste gross weight for making anti-fake inkpad in the red ink paste.The color ratio relation is as follows:
Fluorescence title: near infra-red light green glow blue light purple light
Spectrum color is than relation value: 116.8: 100: 11: 0.1: 0.2
Embodiment four, and in the false proof mother metal composition, its component and content are:
Magnesium fluoride (MgF
2) 5.88%
Strontium fluoride (SrF
2) 3.25%
Zirconium tetrafluoride (ZrF
4) 6.59%
Germanium oxide (GeO
2) 15.52%
Boron oxide (B
2O
3) 2.00%
Ammonium aluminum fluoride [(NH
4)
3AlF
6] 10.47%
Sodium Fluoride (NaF) 3.50%
Zinc fluoride (ZnF
2) 14.15%
Zinc sulphide (ZnS) 12.1%
Fluoridize ytterbium (YbF
3) 19.42%
Fluoridize erbium (ErF
3) 5.12%
Fluoridize thulium (TmF
3) 2.0%
With said components weighing by weight percentage, fully ground 2 hours, put into corundum crucible, fire program, at 300 ℃ by precision, 500 ℃ of constant temperature 30 minutes respectively, each section temperature rise rate is 6 ℃/minute, and 750 ℃ of constant temperature 1 hour, the cooling of falling the sample made ceramic semi-finished product at last, grinding in ball grinder 4 hours, making granularity was false proof mother metal less than the finished product of 16 microns (um) with described ceramic semi-finished product.20% get false proof mother metal powder and mix background and can produce yellow fluorescence at the infrared ray excited ink paste down of 980 nanometers (nm) by what account for the ink paste gross weight for making anti-fake inkpad in the red ink paste.The color ratio relation is as follows:
Fluorescence title: near infra-red light green glow blue light purple light
Spectrum color is than relation value: 39.4: 100: 104: 3: 1.4
Embodiment five, and in the false proof mother metal composition, its component and content are:
Magnesium fluoride (MgF
2) 6.26%
Strontium fluoride (SrF
2) 7.21%
Zirconium tetrafluoride (ZrF
4) 9.55%
Germanium oxide (GeO
2) 11.25%
Barium fluoride (BaF
2) 2.40%
Lanthanum fluoride (LaF
3) 4.32%
Sodium Fluoride (NaF) 1.43%
Zinc fluoride (ZnF
2) 3.97%
Zinc sulphide (ZnS) 10.59%
Fluoridize ytterbium (YbF
3) 41.55%
Holmium fluoride (HoF
3) 0.6%
Samaric fluoride (SmF
3) 0.3%
Fluoridize erbium (ErF
3) 0.57%
With said components weighing by weight percentage, fully ground 2 hours, put into corundum crucible, fire program, at 300 ℃ by precision, 500 ℃ of constant temperature 30 minutes respectively, each section temperature rise rate is 6 ℃/minute, and 800 ℃ of constant temperature 1 hour, the cooling of falling the sample made ceramic semi-finished product at last, grinding in ball grinder 4 hours, making granularity was false proof mother metal less than the finished product of 16 microns (um) with described ceramic semi-finished product.20% get false proof mother metal powder and mix background and can produce the sky blue fluorescence that becomes clear at the infrared ray excited ink paste down of 980 nanometers (nm) by what account for the ink paste gross weight for making anti-fake inkpad in the red ink paste.The color ratio relation is as follows:
Fluorescence title: near infra-red light green glow blue light purple light
Spectrum color is than relation value: 11.3: 100: 27: 194: 7
It is worthy of note: the present invention is further improvement on patent application basis formerly and the achievement in research of listing " 863 " project study group in.Because it is first-selected component that the present invention adopts the efficient rare-earth light-emitting element, fires program by precision and makes ceramic semi-finished product, and grind to form granularity less than 18 microns (μ m) powder finished products, mix in the existing ink paste, promptly make anti-fake inkpad.This ink paste can excite the fluorescence that produces down at least five heavy color ratios near infrared light, can supply photoelectricity, digital equipment to detect again and the color ratio value of output checked object in Direct Recognition visually, contrasts with the color ratio value of this color ratio value and setting, checks both true and falses.At first, the component that constitutes false proof mother metal composition is different with preparation technology, then the near infrared light in 800～1100 nanometers (nm) scope excites down, color is also different on the photopic vision that produces, and the color category that is excited is also more, versicolor fluorescence is the mixed effect that is produced by multiple monochromatic ray among the present invention, comprise redness, green, yellowish green, yellow, purple, light in vain or the like; If mix red efficient luminous false proof mother metal in common red ink paste, then exciting down near infrared light, ink paste can produce bright red fluorescence; When the efficient luminous false proof mother metal that in red ink paste, mixes green, yellow or other color, then excite down near infrared light, originally be the fluorescence that can produce the green, yellow or other color that become clear in the red ink paste, and by with the naked eye observing having or not and the resolution of color of the visible light that is excited under infrared ray excited, it is true and false to reach identification, show the antifalse effect that it is unique, the elementary false proof barrier in promptly so-called formation first road; Secondly, because false proof mother metal of the present invention is excited after the optical excitation, all comprise the many fluorescence bands from infrared to ultraviolet, when proportioning and the sintering technology of setting false proof mother metal, the wavelength region of each fluorescence band from infrared to ultraviolet and relative intensity are fixed and corresponding with this setting.The relative intensity ratio of each fluorescence wave band of this fixed constitutes the spectral information password, again owing to do not exert an influence as the common ink paste of the false proof mother metal carrier relative intensity ratio to each fluorescence wave band of luminous mother metal.Therefore, the anti-counterfeit recognition mode of this anti-fake inkpad also can show the also energy setting code of combining closely with numerical coding; Stable color ratio relation shows that by five tuple sign indicating numbers it is false proof to constitute secondary.According to the blending of false proof mother metal and ink paste, choose infrared false proof each component of mother metal composition of conversion that goes up that is used for the assembly ink paste meticulously, realize that the high strength multiband fluorescence is one of maximum characteristics of the present invention.
Claims (10)
1, a kind of efficient luminous anti-fake inkpad of multiple color ratio of energy load pin, by the fluorochemical of ytterbium as the sensitivity speck compound, with from erbium, neodymium, samarium, select at least a in the fluorochemical of thulium and holmium as the luminescence center compound, with from zinc fluoride, Zirconium tetrafluoride, germanium oxide, strontium fluoride, magnesium fluoride, Sodium Fluoride, zinc sulphide, ammonium aluminum fluoride, barium fluoride, cadmium fluoride, lanthanum fluoride, zinc oxide, it is at least a as luminescence center structure carrier composition composition to select it in boron oxide and the zinc chloride, after described composition mixing and mechanical mill, fire program by precision and make ceramic semi-finished product, again with described ceramic semi-finished product grind into powder finished product.
2, anti-fake inkpad according to claim 1, it is characterized in that: described finished product mother metal contains in the composition that has five heavy color ratios at least, comprise that containing described sensitivity speck compound fluoridizes ytterbium, with contain described luminescence center compound and fluoridize erbium, with the zinc fluoride that contains described luminescence center carrier, Zirconium tetrafluoride, germanium oxide, strontium fluoride, magnesium fluoride, Sodium Fluoride and zinc sulphide, its component and content are:
Fluoridize ytterbium (YbF
3) 0.2～50%
Fluoridize erbium (ErF
3) 0.1～18%
Zinc fluoride (ZnF
2) 5～60%
Zirconium tetrafluoride (ZrF
4) 5～50%
Germanium oxide (GeO
2) 5～40%
Strontium fluoride (SrF
2) 2～20%
Magnesium fluoride (MgF
2) 2～20%
Sodium Fluoride (NaF) 1～5%
Zinc sulphide (ZnS) 1～20%
3, anti-fake inkpad according to claim 1 and 2, it is characterized in that: described finished product contains in the composition that has five heavy color ratios at least, also comprise and select at least a compound the fluorochemical of the neodymium, samarium, thulium and the holmium that contain from described luminescence center, select at least a compound with containing from ammonium aluminum fluoride, barium fluoride, cadmium fluoride, lanthanum fluoride, zinc oxide, boron oxide and the zinc chloride of described luminescence center carrier, each component concentration is no more than in the described composition:
Neodymium fluoride (NdF
3) 15%
Samaric fluoride (SmF
3) 8%
Fluoridize thulium (TmF
3) 6%
Holmium fluoride (HoF
3) 20%
Ammonium aluminum fluoride [(NH
4)
3AlF
6] 40%
Barium fluoride (BaF
2) 50%
Cadmium fluoride (CdF
2) 40%
Lanthanum fluoride (LaF
3) 10%
Zinc oxide (ZnO) 20%
Boron oxide (B
2O
3) 5%
Zinc chloride (ZnCl
2) 40%
4, according to claim 1 or 2 or 3 described anti-fake inkpads, it is characterized in that: described finished product contains and has five heavy color ratios at least and join with the load pin parameter that to select component and finish one group of background that corresponding sintering procedure obtained be producing in the composition of pale fluorescence down in that 980 nanometers (nm) are infrared ray excited of redness, and its component, content and spectrum color than relation value are:
Magnesium fluoride (MgF
2) 2.20%
Strontium fluoride (SrF
2) 5.20%
Zirconium tetrafluoride (ZrF
4) 5.50%
Germanium oxide (GeO
2) 9.52%
Barium fluoride (BaF
2) 12.47%
Cadmium fluoride (CdF
2) 4.42%
Sodium Fluoride (NaF) 1.43%
Zinc fluoride (ZnF
2) 3.91%
Zinc sulphide (ZnS) 10.59%
Fluoridize ytterbium (YbF
3) 39.60%
Fluoridize erbium (ErF
3) 4.14%
Fluoridize thulium (TmF
3) 1.02%
Fluorescence title: near infra-red light green glow blue light purple light
Spectrum color is than relation value: 102: 100: 11: 254.5: 5
5, according to claim 1 or 2 or 3 described anti-fake inkpads, it is characterized in that: described finished product contains and has five heavy color ratios at least and join with the load pin parameter that to select component and finish one group of background that corresponding sintering procedure obtained be producing in the composition of yellow fluorescence down in that 980 nanometers (nm) are infrared ray excited of redness, and its component, content and spectrum color than relation value are:
Magnesium fluoride (MgF
2) 5.88%
Strontium fluoride (SrF
2) 3.25%
Zirconium tetrafluoride (ZrF
4) 6.59%
Germanium oxide (GeO
2) 15.52%
Boron oxide (B
2O
3) 2.00%
Ammonium aluminum fluoride [(NH
4)
3AlF
6] 10.47%
Sodium Fluoride (NaF) 3.50%
Zinc fluoride (ZnF
2) 14.15%
Zinc sulphide (ZnS) 12.1%
Fluoridize ytterbium (YbF
3) 19.42%
Fluoridize erbium (ErF
3) 5.12%
Fluoridize thulium (TmF
3) 2.0%
Fluorescence title: near infra-red light green glow blue light purple light
Spectrum color is than relation value: 39.4: 100: 104: 3: 1.4
6, the preparation method of the efficient luminous anti-fake inkpad of multiple color ratio of a kind of energy load pin according to claim 1 and 2, with each component in the composition, weigh by weight percentage and be ground to more than 2 hours after mixing, pour in the corundum crucible, fire program by precision then and make ceramic semi-finished product; Described precision is fired program and is included in 300 ℃, 500 ℃ of constant temperature 30 minutes respectively, and in 600 ℃～800 ℃ temperature, look the apolegamy component and select a steady temperature, constant temperature is poured out cooling after 1 hour, and each stage temperature rise rate is 6 ℃/minute; Described ceramic semi-finished product obtains granularity less than 18 microns in grinding in ball grinder after 1～5 hour, and satisfies the finished product of a plurality of high spectral intensities and the requirement of multiple color ratio value parameter.
7, realize the special method of claim 1 or 2 described anti-fake inkpads, it is characterized in that: with the ink paste in the printing is carrier, getting a certain amount of described finished product joins in this carrier as false proof mother metal, promptly obtain one group have multiple color ratio relation can the load information password not only can be in Direct Recognition visually but also the anti-fake inkpad that can in detecting display equipment, detect, after described false proof mother metal mixed ink paste, its each wave band fluorescence intensity ratio remains unchanged, be that anti-fake inkpad color ratio relation is identical with described false proof mother metal, and described anti-fake inkpad closes the multiwave fluorescence of series high strength in the specific infrared ray excited at least five heavy color ratios that produce down, and offer photoelectric conversion device to detect each wave band fluorescence spectrum intensity and by the color ratio value parameter of digital display equipment output checked object, with the color ratio value parameter contrast of this color ratio value parameter and setting, check both true and falses and implement multistage cipher counterfeit-proof for the user.
8, special method according to claim 7, it is characterized in that: described multistage cipher counterfeit-proof refers in the appointment of 800～1100 nanometers infrared ray excited down, hair tonic is for visual different colours visible light, if set the proportioning and the sintering technology of described false proof mother metal, can realize visually the ruddiness, gold-tinted corresponding to this setting, yellowish green, green glow, blue light, purple light, light white all light.
9, special method according to claim 7 is characterized in that: described multistage cipher counterfeit-proof is meant the color ratio value parameter that also can supply photoelectric conversion device to detect each wave band fluorescence spectrum intensity and be exported checked object by digital display equipment.
10, according to claim 7 or 8 or 9 described special methods, it is characterized in that: get false proof mother metal by 5～40% of ink paste gross weight and be incorporated in the ink paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310110416 CN100482751C (en) | 2003-10-15 | 2003-10-15 | Cipher-loaded multiple colour-match efficient luminous anticounterfeit ink paste, and its preparation and use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310110416 CN100482751C (en) | 2003-10-15 | 2003-10-15 | Cipher-loaded multiple colour-match efficient luminous anticounterfeit ink paste, and its preparation and use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1580148A true CN1580148A (en) | 2005-02-16 |
| CN100482751C CN100482751C (en) | 2009-04-29 |
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ID=34580564
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
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|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792628A (en) * | 2009-12-31 | 2010-08-04 | 上海杰远环保科技有限公司 | Radio frequency identification inkpad, system and implementation method of system |
| CN110452580A (en) * | 2019-07-29 | 2019-11-15 | 北京金辰西维科安全印务有限公司 | A kind of anti-forgery ink and preparation method thereof with particular spectral lines feature |
| 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 |
-
2003
- 2003-10-15 CN CN 200310110416 patent/CN100482751C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792628A (en) * | 2009-12-31 | 2010-08-04 | 上海杰远环保科技有限公司 | Radio frequency identification inkpad, system and implementation method of system |
| CN110452580A (en) * | 2019-07-29 | 2019-11-15 | 北京金辰西维科安全印务有限公司 | A kind of anti-forgery ink and preparation method thereof with particular spectral lines feature |
| 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 |
| WO2021134808A1 (en) * | 2019-12-30 | 2021-07-08 | 天津市中环天佳电子有限公司 | Rare earth anti-counterfeiting inkpad |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100482751C (en) | 2009-04-29 |
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