CN1230738A - Article truth identifying system - Google Patents
Article truth identifying system Download PDFInfo
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- CN1230738A CN1230738A CN 98124385 CN98124385A CN1230738A CN 1230738 A CN1230738 A CN 1230738A CN 98124385 CN98124385 CN 98124385 CN 98124385 A CN98124385 A CN 98124385A CN 1230738 A CN1230738 A CN 1230738A
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- false proof
- false
- ray
- excitaton source
- proof point
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Abstract
The system of the present invention consists of four parts of the anti-forging point in the article to be tested, excitation source generator, X-ray detector and computerized data acquisition processor. Owing to the complicated characteristics and good aging property of the anti-forging point, hi-tech excitation source generator and X-ray detector difficult to obtain from the market and to counterfeit, the present invention ensures the reliability of the truth identification. Using advanced computer technology makes the identification fast, accurate, visual and reliable. The system of the present invention is suitable for the anti-forging identification of most articles.
Description
The present invention relates to the identifying device of anti-fake mark on a kind of article.
The recognition system of the identify objects true and false is made of false proof point and detection recognition device two parts thereof usually.There are one or more in following shortcomings usually in the recognition system of the existing identify objects true and false: the core of anti-fake mark (hereinafter to be referred as false proof point) characteristic properties is fairly simple, and is imitated easily.As the false proof point of Ultraluminescence (CN1073698, CN1073699, US5135569) or the false proof point of temperature-sensitive (JP03231394) be to print with Ultraluminescence pigment or thermosensitive chromotropic paint to form, its identification content is to observe whether to show fluorescence or whether change color is arranged under temperature variation under action of ultraviolet light.Because these variations have only qualitativing concept, do not have the definite quantitative notion, add that the substance classes with Ultraluminescence or thermochromism feature is more, also obtain easily, thereby the imitation difficulty of the false proof point of this class is less; False proof some poor in timeliness also is that the life-span of its anti-fake effect is shorter.As the false proof point of Ultraluminescence, the false proof point of heat-sensitive variable colour, photochromism anti-forging point or magnetic anti-counterfeit point, as time goes by, their colour developing or variable color or magnetic action effect can decay gradually, finally lose false proof effect; The equipment of making false proof point is very general, as the false proof (Xu Dejun of micro-printing, the printed matter anti-counterfeiting technological overview, printing technology, 1990 (6): 39-40) and antiforge laser holographic (Zhang Hualiang etc., the application of antiforge laser holographic trade mark and manufacturing, Packaging Engineering, 1994 (5) 3:134-136) in be used for making miniature anti-fake mark or antiforge laser holographic mark micro-printing machine and laser hologram printing machine be can buy by commercially available everywhere now.These machinery has been arranged, and it is just ery easy to copy characteristic properties fairly simple miniature pattern or holo-rainbow pattern, thereby occurs " false proof " trade mark of this class personation on the market repeatedly; It is too expensive to detect identification equipment, and Fudan Journal (natural science edition) has been reported a kind of X fluorescence identification method of true, counterfeit money in 1998,37 (1).This method will be finished in the accelerator laboratory, and used excitaton source generator is tandem accelerator 2SDL9, and X-ray detector is Si (Li) detector.The cost of these equipment is too high, is unfavorable for generally applying.
The purpose of this invention is to provide a kind of by have complex features character and ageing good false proof point, cost is low but the recognition system of the identify objects true and false that can not constitute from the data acquisition and processing (DAP) device of the X-ray detector of commercially available excitaton source generator that obtains and the high detection efficiency of high sensitivity high resolving power and advanced technology.
The object of the present invention is achieved like this: the recognition system of the identify objects true and false of the present invention is by preestablishing or be selected in by the false proof point in somewhere on the false proof article, the excitaton source generator, X-ray detector, computer data acquiring and processor 4 parts constitute, wherein false proof point is to be formed by one or more quantitative characteristic elements that can produce harmless characteristic X-ray when excitaton source shines, the carrier of false proof point that will contain one or more quantitative characteristic elements with physics and/or chemical method attached to by on the false proof article, or a selected plan is by the already present false proof point that contains one or more quantitative characteristic elements in somewhere on the false proof article, the kind of contained characteristic element is selected and is had suitable emission types in the false proof point of foundation, the excitaton source generator of emittance and intensity, the excitaton source that is produced with this excitaton source generator, be that the particle beams or ray shine above-mentioned false proof point, activate the characteristic element in the false proof point and produce characteristic X-ray, use high sensitivity simultaneously, the X-ray detector of high resolving power and high detection efficiency detects, the X-ray spectrum that is obtained carries out data processing and analysis with computer data acquiring and processor, and with the normal data of prior storage or the contrast of spectrum mould, thereby judge by the true and false of false proof article.
The component of the false proof point in the system of the present invention can be selected one or more in vanadium, calcium, gallium, germanium, cadmium, titanium, zinc, molybdenum, aluminium, silicon, phosphorus, the sulphur for use, and the quantitative levels of characteristic element is 10 in false proof point
-6～10
-3Gram per centimeter
2Between (surface density).
With false proof some carrier in the system of the present invention be attached to by physics used on the false proof article and/or chemical method comprise printing, impress, papermaking, write, paint, the using with of plating, blend or said method.
Excitaton source generator in the system of the present invention can cooperate it to collimate the radioactive source type excitaton source generator that steering gear is formed by radioactive isotope, or the X-ray cast excitaton source generator of the monochromaticity of forming by X-ray pipe and filter system thereof, wherein the excitaton source of Chan Shenging can be the α particle beams or X ray.
X-ray detector in the system of the present invention can select for use proportional counter tube, multi-wire proportional counter, Si-PIN from cooling off semiconductor detector or NaI (T1) scintillation counter.
Computer data acquiring in the system of the present invention and processor can be selected ADC (A-D converter) or MCA (multichannel analyzer) image data for use, and PC is handled and demonstration output data and result; Or with multichannel discriminator image data, single-chip microcomputer is handled and is also shown output data and result.
The recognition system of the identify objects true and false of the present invention can be used for the false proof and identification of securities, seal, certificate, bill, packing, trade mark, calligraphy and painting, speciality paper, porcelain, jewellery.
The present invention compared with prior art, the advantage that has is: the characteristic properties complexity of false proof point.The complicacy of the characteristic properties of the false proof point in the system of the present invention is that it has complex features elemental composition and relative quantification content thereof.Want to decode the composition and the relative quantification content of the characteristic element that false proof point contained, must carry out very accurate element qualitative and quantitative analysis.The kind of the contained characteristic element of false proof point is many more, analyzes also difficultly more, and therefore imitated difficulty is very big; False proof point ageing good.Because the false proof point in the system of the present invention is to be formed by characteristic element, the useful life of its existence is endless, can be because of any variation take place time lapse yet, even when being damaged fully by false proof main body of articles, characteristic element in its false proof point still exists, relative quantification content can not change yet, and therefore still can recognize the true and false with system of the present invention; The detection sensitivity height.Because signal-noise ratio that the X-ray detector that adopts in the system of the present invention has high sensitivity to become reconciled to characteristic X-ray, and have very high reliability, so the content of detected characteristics element can hang down and reaches the ppm order of magnitude; Excitaton source generator in the system of the present invention and X-ray detector all are current high and new technology equipment, and the professional who only is engaged in atomic nuclear physics and high-energy physics could grasp.The use of excitaton source must can not be sold on market through local public security bureau and health and epidemic prevention department's audit approval; Data processing and result show the export technique advanced person.Adopt computer acquisition and deal with data in the system of the present invention, as with ADC or MCA image data, the PC deal with data also shows the output result, distinguish true from false with fuzzy technology, so recognition result fast, accurately, directly perceived, reliable; System of the present invention is applicable to that great majority need the article of anti-counterfeit recognition.The checkout equipment volume of system of the present invention is little, in light weight, be easy to carry; The excitaton source generator that uses in the system of the present invention and the cost of X-ray detector are low, are convenient to promote the use of.
System of the present invention is an outstanding false proof identifying device design, because it has solved a following difficult problem: can not destroy false proof point under the irradiation of excitaton source and in the testing process of X-ray detector; Because the content of detected characteristic element is the trace trace, excitaton source excites the energy very low (having only several kev usually) of the characteristic X-ray that characteristic element produces in addition, has therefore selected the X-ray detector of resolution height, highly sensitive and good reliability meticulously; Safety in order to ensure operating personnel, be beneficial to protection, and guarantee to have best stability again, therefore excitaton source must be selected suitable emission types, emittance and intensity, form optimum matching with characteristic element in the false proof point, the volume of excitaton source generator is little and good moisture resistance properties arranged; The identify objects true and false must be fast and accurately, and can be used for the anti-counterfeit recognition of multiple article, and this just requires system of the present invention various piece all to have bleeding edge and compounding practice organically, and system of the present invention is just possessing these performances.
The drawing of accompanying drawing is described as follows:
What Fig. 1 was that machine handles as calculated is the X-ray spectrogram of genuine piece by false proof article; Fig. 2 be without Computer Processing by the X-ray spectrogram of false proof article for pseudo-product; Fig. 3 is the X-ray spectrogram of being compared with pseudo-product by genuine piece in the false proof article of machine processing as calculated.
Embodiment 1
Set a false proof point (anti-fake mark) on by false proof certificate, this false proof point is the concealed anti-false mark made from the ink printing that contains characteristic element Zn, Cd each 0.5% (W).Excitaton source generator with 40-60mci low energy light source Pu-238 assembling shines above-mentioned false proof point, detect the characteristic X-ray that produces therefrom with beryllium window proportional counter tube, gather with ADC, handle detected data with PC, export detected data and (see accompanying drawing 1,2) and with the comparing result (seeing accompanying drawing 3) of normal data, thereby judge the true and false of this certificate.
Embodiment 2
Predetermined on famous person's calligraphy and painting (or selected) false proof point.This false proof point is that the artist is drawn in this calligraphy and painting somewhere with the prepared Chinese ink that contains characteristic element Zn, Cd each 0.5% (W).With this false proof point of Am-241 radioactive source type excitaton source generator irradiation that 60mci is housed, detect the characteristic X-ray that produces therefrom with NaI (Tl) scintillation counter, gather, handle detected data with ADC with PC, and the comparing result of exporting detected data and normal data (is seen accompanying drawing 1,2,3), thus judge the true and false of this calligraphy and painting.
Embodiment 3
With containing the print and dye woven long filament line at 100 dawn～150 dawn of each dye liquor of 0.1% (W) of characteristic element Ti and Mo, make the anti-counterfeiting mark line.This anti-counterfeiting mark line is arranged in the trade mark of designer clothing.The ring-like excitaton source generator of assembling with the Am-241 radioactive source of 4～6 50mci that has optical filter shines above-mentioned trade mark, detect the characteristic X-ray that produces therefrom with Si-PIN from cooling off semiconductor detector, use the MCA image data again, with the method result identical, thereby judge the true and false of this designer clothing with embodiment 1.
Embodiment 4
Select for use the Al that contains 2% (W) or the printing ink of Si or P or S on securities, to print a false proof point, Cm-244 α source irradiation with 10～20mic, get transmission beam method, detect the characteristic X-ray that false proof point produces with proportional counter tube, handle and output data with method, demonstrate true and false result with embodiment 1.
Embodiment 5
In a commodity packaging, print the false proof point of a specific pattern with the printing ink that contains gallium 2% (W), Am-241 with 200mci is assembled into this false proof point of line excitaton source generator irradiation, adopt multi-wire proportional counter to detect the characteristic X-ray that this false proof point produces, read pattern-information in the false proof point by scan mode, reproduce its pattern by PC, and with the standard pattern comparing result, thereby discern the false from the genuine.
Embodiment 6
On securities, print a false proof point with the printing ink that contains cadmium 2% (W), the X-ray cast excitaton source of forming with X-ray pipe and filter system thereof shines this false proof point, adopt Si-PIN to detect the characteristic X-ray that this false proof point produces from cooling off semiconductor detector, read pattern-information in the false proof point by scan mode, reproduce its pattern by PC, and with the standard pattern comparing result, thereby discern the false from the genuine.
Claims (7)
1. the recognition system of an identify objects true and false, it is characterized in that: it is by preestablishing or be selected in by the false proof point in somewhere on the false proof article, the excitaton source generator, X-ray detector, computer data acquiring and processor 4 parts constitute, wherein false proof point is to be formed by one or more quantitative characteristic elements that can produce harmless characteristic X-ray when excitaton source shines, false proof some carrier that will contain one or more quantitative characteristic elements with physics and/or chemical method attached to by on the false proof article, or a selected plan is by the already present false proof point that contains one or more quantitative characteristic elements in somewhere on the false proof article, the kind of contained characteristic element is selected and is had suitable emission types in the false proof point of foundation, the excitaton source generator of emittance and intensity, the excitaton source that is produced with this excitaton source generator, be that the particle beams or ray shine above-mentioned false proof point, activate the characteristic element in the false proof point and produce characteristic X-ray, use high sensitivity simultaneously, the X-ray detector of high resolving power and high detection efficiency detects, the X-ray spectrum that is obtained carries out data processing and analysis with computer data acquiring and processor, and with the normal data of prior storage or the contrast of spectrum mould, thereby judge by the true and false of false proof article.
2. the recognition system of a kind of identify objects true and false according to claim 1, it is characterized in that: the component of the false proof point in this system is one or more in vanadium, calcium, gallium, germanium, cadmium, titanium, zinc, molybdenum, aluminium, silicon, phosphorus, the sulphur, and the quantitative levels of characteristic element is 10 in false proof point
-6～10
-3Gram per centimeter
2Between (surface density).
3. the recognition system of a kind of identify objects true and false according to claim 1 is characterized in that: with false proof some carrier in the system of the present invention be attached to by physics used on the false proof article and/or chemical method comprise printing, impress, papermaking, write, paint, the using with of plating, blend or said method.
4. the recognition system of a kind of identify objects true and false according to claim 1, it is characterized in that: the excitaton source generator in this system is joined its collimation radioactive source type excitaton source generator of forming of steering gear by radioactive isotope or the X-ray cast excitaton source generator of the monochromaticity be made up of X-ray pipe and filter system thereof, and wherein the excitaton source of Chan Shenging is the α particle beams or X ray.
5. the recognition system of a kind of identify objects true and false according to claim 1 is characterized in that: the X-ray detector in this system is that proportional counter tube, multi-wire proportional counter, Si-PIN are from cooling off semiconductor detector or NaI (T1) scintillation counter.
6. the recognition system of a kind of identify objects true and false according to claim 1 is characterized in that, computer data acquiring in this system and processor are with ADC or MCA image data, and PC is handled and demonstration output data and result; Or with multichannel discriminator image data, single-chip microcomputer is handled and is also shown output data and result.
7. application according to the recognition system of the described identify objects true and false of claim 1 is characterized in that: this system can be used for the false proof and identification of securities, seal, certificate, bill, packing, trade mark, calligraphy and painting, speciality paper, porcelain, jewellery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB981243851A CN1157699C (en) | 1998-11-09 | 1998-11-09 | Article truth identifying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB981243851A CN1157699C (en) | 1998-11-09 | 1998-11-09 | Article truth identifying system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1230738A true CN1230738A (en) | 1999-10-06 |
| CN1157699C CN1157699C (en) | 2004-07-14 |
Family
ID=5228603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB981243851A Expired - Fee Related CN1157699C (en) | 1998-11-09 | 1998-11-09 | Article truth identifying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1157699C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008071052A1 (en) * | 2006-12-15 | 2008-06-19 | Feng Yan | Digital coding method with material character, combination with digital coding character material, and producing method thereof |
| CN100433039C (en) * | 2005-08-03 | 2008-11-12 | 正品科技（北京）有限公司 | Mark method adopting chemical elements, device thereof and chemical elements marking |
| CN101788687B (en) * | 2005-11-09 | 2012-12-05 | 护照系统公司 | Methods for active non-intrusive inspection and verification of cargo and goods |
| CN102998321A (en) * | 2012-05-11 | 2013-03-27 | 深圳市树德堂文化发展有限公司 | Anti-counterfeiting subject matter, preparation method and detection method thereof |
| CN103825672A (en) * | 2012-11-16 | 2014-05-28 | 河南师范大学 | Encoding scheme and detection method thereof |
| CN104281955A (en) * | 2014-05-26 | 2015-01-14 | 重庆炬野科技发展有限公司 | Commodity information tracing method and equipment system |
| CN109154579A (en) * | 2016-02-02 | 2019-01-04 | 安全事业有限公司 | The identification of metal object |
-
1998
- 1998-11-09 CN CNB981243851A patent/CN1157699C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100433039C (en) * | 2005-08-03 | 2008-11-12 | 正品科技（北京）有限公司 | Mark method adopting chemical elements, device thereof and chemical elements marking |
| CN101788687B (en) * | 2005-11-09 | 2012-12-05 | 护照系统公司 | Methods for active non-intrusive inspection and verification of cargo and goods |
| WO2008071052A1 (en) * | 2006-12-15 | 2008-06-19 | Feng Yan | Digital coding method with material character, combination with digital coding character material, and producing method thereof |
| CN102998321A (en) * | 2012-05-11 | 2013-03-27 | 深圳市树德堂文化发展有限公司 | Anti-counterfeiting subject matter, preparation method and detection method thereof |
| CN103825672A (en) * | 2012-11-16 | 2014-05-28 | 河南师范大学 | Encoding scheme and detection method thereof |
| CN104281955A (en) * | 2014-05-26 | 2015-01-14 | 重庆炬野科技发展有限公司 | Commodity information tracing method and equipment system |
| CN104281955B (en) * | 2014-05-26 | 2017-09-22 | 重庆炬野科技发展有限公司 | Merchandise news retroactive method and device systems |
| CN109154579A (en) * | 2016-02-02 | 2019-01-04 | 安全事业有限公司 | The identification of metal object |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1157699C (en) | 2004-07-14 |
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