CN101003241A - Confidential marker on anti false information carrier, test method, and test equipment - Google Patents
Confidential marker on anti false information carrier, test method, and test equipment Download PDFInfo
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- CN101003241A CN101003241A CNA2007100001095A CN200710000109A CN101003241A CN 101003241 A CN101003241 A CN 101003241A CN A2007100001095 A CNA2007100001095 A CN A2007100001095A CN 200710000109 A CN200710000109 A CN 200710000109A CN 101003241 A CN101003241 A CN 101003241A
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Abstract
A secret marker for the antiforge information medium is one or more areas printed with a disclosed ink A alone or in conjunction with ordinary ink B having similar color. Said marker has the metamerism characteristics in the 550-820 mm range. Under the irradiation of ordinary light source, part of said marker can show another color if it is observed via a (55-820)-mm optical filter, so displaying the hidden information.
Description
Technical field
The present invention relates to secret mark, the method for inspection and verifying attachment on a kind of anti false information carrier, belong to the anti-counterfeiting printing technology field.
Background technology
Secret mark is anti-forgery ink and the effective product that combines of printing technology.In modern society, the application of secret mark plays a good role for hitting fake and forged commodity.The antifalse effect of secret mark and the character of anti-forgery ink have directly gets in touch.Most widely used anti-forgery ink mainly contains eight big classes at present: (1) Ultra-Violet Laser fluorescent ink; (2) Antiforge infrared ink; (3) temperature-sensitive anti-forgery ink (thermochromism anti-forgery ink or warm variable anti-counterfeiting ink); (4) wet sensitive colour changing anti-forgery ink; (5) chemical reaction color shifting ink; (6) intelligent machine-readable anti-forgery ink; (7) multi-functional or integrated false-proof ink (laser hologram adds Antiforge fluorescent ink); (8) magnetic anti-forge printing ink etc.Difference according to the employed anti-forgery ink of secret mark, the method of inspection to anti-fake mark is also different, be by implementing different external condition mostly, as the color and the variation that adopt forms such as ultraviolet or infrared light supply excite, infrared imaging technology to observe the marking, thereby reach false proof purpose.With regard to that above-mentioned printing ink is printed with regard to using, as can to play the concealed anti-false effect to the pattern that need the are maintained secrecy mark, its detection method generally all needs to use special excitation source (as ultraviolet light etc.) just can reach the purpose of anti-counterfeiting detection.
In the prior art in antiforge field, a typical prior art is Japanese documentation JP2005262681A disclosed a kind of " anti-counterfeit printed ".This is anti-counterfeit printed to be to print fluorescent ink in two or more printing zones respectively, has at least two kinds of fluorescent inks to show colourless or identical color under normal optical.Though these fluorescent inks show identical color (or colourless) under normal optical, but owing to wherein added visual fluorescent pigment under certain ultraviolet light, so under specific uv excitation light irradiation, make printing ink luminous, utilize optical filtering to observe again, find this anti-counterfeit printed in two kinds of printing ink demonstrate different colors.This patent of invention has prevented to use the fluorescent ink of the marketization effectively, and the forgery printed matter of making in conjunction with duplicating printing technology has also developed paired printing technology simultaneously.Just, then must under ultraviolet excitation, observe, can find that wherein a kind of color of fluorescent ink changes by optical filtering to this anti-counterfeit printed anti-counterfeiting detection.Thereby, reach false proof purpose by reading the information of hiding.As seen, though this patent of invention has been done reinforcement to anti-counterfeit printed false proof quality, the device and method of its anti-dummy check is comparatively complicated.
Summary of the invention
Technical problem to be solved by this invention provides the secret mark that a kind of device and method that makes the anti-dummy check of above-mentioned prior art is simplified.
For solving the problems of the technologies described above, the secret mark on the anti false information carrier of the present invention has a plurality of printing zones, is provided with at least a printing ink on described a plurality of printing zones; First printing ink in the described at least a printing ink is observed at the optical filter of 550-820nm scope by predetermined wavelength under ordinary light source irradiation, and the color that presents under the color that is presented and the normal optical is obviously different.
Secret mark on the anti false information carrier of the present invention has a plurality of printing zones, is provided with at least a printing ink on described a plurality of printing zones; First printing ink in the described at least a printing ink is observed at the optical filter of 620-820nm scope by predetermined wavelength under ordinary light source irradiation, and the color that presents under the color that is presented and the normal optical is obviously different.
Secret mark on the above-mentioned anti false information carrier also is provided with second printing ink in the described at least a printing ink of described a plurality of printing zones, described second printing ink and described first printing ink present mutually the color of " being similar to " under normal optical; And under the ordinary light source irradiation, observe by the optical filter of predetermined wavelength range, described second printing ink presents different colors with described first printing ink.
The color that described first printing ink presents under normal optical is a kind of in brown, green, blue, ash or the black.
Described first printing ink and described second printing ink are observed under normal optical, and the color " coloured light " that two kinds of printing ink markings present is approximate, a kind of in brown, green, blue, ash or the black; Described first printing ink is observed by the optical filter of predetermined wavelength range under ordinary light source irradiation, and color transfers a kind of in orange, orange red, red, the aubergine significantly to.
The method of inspection of the secret mark on a kind of above-mentioned anti false information carrier, it is under the ordinary light source irradiation, sees through a predetermined wavelength and observes at the optical filter of 550-820nm scope.
The method of inspection of the secret mark on a kind of above-mentioned anti false information carrier, the predetermined wavelength of described optical filter is in the 620-820nm scope.
In the method for inspection of the secret mark on above-mentioned anti false information carrier, can adopt video-unit to the variation of marker color and form observe, detection or view data store.
According to the verifying attachment that the method for inspection of the secret mark on the above-mentioned anti false information carrier is made, the optical filter of described one or more predetermined wavelength ranges is installed on the peep hole of a cover body top or sidepiece.Be provided with light source in the described device, this light source is the general lighting light source.
Need to prove: normal optical of the present invention comprises houselights commonly used such as daylight and incandescent light, daylight light.Described light source is the light emitting source of the light of the above-mentioned type.
The present invention has following advantage:
1. the black designation that has one or more independent printing zones, this secret mark is easy to use, and anti-fake effect is good, the security performance height, the pattern that need are maintained secrecy can play good concealed anti-false effect, is difficult for being emitted by taking, duplicate institute's puppet.
2. should maintain secrecy when being marked at two or more printing zones application, because its marking color that shows under normal optical is " similar " very, be difficult to differentiate, so be easy to obscure fake and forged speculator's sight line, think that the printing ink in the different printing zone is identical by mistake, thereby adopt a kind of common ink to forge, make counterfeit lose specific function.This has just increased the difficulty of the imitated secret mark of this kind.
3. do not need special excitation source, under ordinary light source, just can have optionally optical filter of specific wavelength, change the affirmation true and false thereby observe marker color by use; This monitoring mode is simply accurate, and the tool disguise.
In view of above advantage, just littler to its imitated possibility, this has just guaranteed the validity of this anti-counterfeiting technology to a great extent.So it can be widely used for various security, bill, particularly can be applicable on check and the invoice, also can be used for the package anti-counterfeiting field of medicine, food and books etc., be shown as its anti-counterfeiting, prevent that the correction performance is splendid.
Description of drawings
Fig. 1 is the secret secret mark schematic diagram of directly observing under the normal optical with a printing zone that is marked at of first kind of embodiment of the present invention.
Fig. 2 is that secret being marked at of first kind of embodiment of the present invention sees through the secret mark schematic diagram with a printing zone that optical filter is observed under the ordinary light source.
Fig. 3 is second kind of embodiment of the present invention observed secret mark schematic diagram that two printing zones are arranged under normal optical.
Fig. 4 is that second kind of embodiment of the present invention sees through the secret mark schematic diagram that two printing zones are arranged that optical filter is observed under ordinary light source.
Fig. 5 is the third embodiment of the present invention observed circular secret mark schematic diagram that two above printing zones are arranged under normal optical.
Fig. 6 is that the third embodiment of the present invention sees through the circular secret mark schematic diagram that two above printing zones are arranged that optical filter is observed under ordinary light source.
Fig. 7 is the profilograph of the false proof verifying attachment of this secret mark.
Each label list is shown in the accompanying drawing: A1, A2, B1, B2-printing zone, A-first printing ink, B-second printing ink, 1-light source, 2-cover body, 3-switch, 4-optical filter.
The specific embodiment
In embodiments of the present invention, Fig. 1 has shown first embodiment, this secret mark only comprises a printing zone, be printed on the first printing ink A in this printing zone A1, the optical filter that sees through predetermined wavelength range is observed, the different (see figure 2)s of color that show under the shown color of whole mark and the normal optical.
In embodiments of the present invention, this secret mark also can comprise two printing zones.In described two printing zones, can be printed on a kind of printing ink and also can be printed on printing ink not of the same race.Among Fig. 3, in second embodiment of the present invention of demonstration, in two printing zone A1, A2, all be printed on, under normal optical, shown a kind of color with a kind of first printing ink A.And in Fig. 4, the optical filter that sees through predetermined wavelength range is observed, and indicia patterns shown in Fig. 3 does not change, and just color changes, and the color that shows down with the normal optical environment is different.
In the 3rd embodiment of the present invention shown in Figure 5, form secret mark of the present invention thereby also printing ink not of the same race can be printed in a plurality of printing zones.As shown in Figure 5, in different annular printing zone A1, the A2 of secret mark, be printed on the first printing ink A, be printed on the second printing ink B in printing zone B1, B2, printing zones all under the normal optical environment show identical color, and whole mark presents " being similar to " homochromy disc.Referring to Fig. 6, the optical filter that sees through predetermined wavelength range is observed mark shown in Figure 5, the color that can observe the printing zone A1, the A2 that are printed on the first printing ink A changes (transferring inclined to one side red colour system to) significantly, and is printed on the not variation of color of printing zone B1, the B2 of the second printing ink B.Present the circle that the annulus of two kinds of different colours shown in Fig. 6 is formed separately therefrom.
In the above-described embodiment, can use the false proof verifying attachment that the general lighting light source is housed of the present invention, by the optical filter that is installed in the predetermined wavelength range on the peep hole mark be observed and checked the true and false the anti-dummy check of mark; Also mark directly can be exposed under the daylight environment, only use the optical filter of predetermined wavelength range of the present invention to check the true and false.
Embodiment 1
Colorant: black Dianix Deep Black ETD 400% 30%-35%
Synthetic resin: alkyd resins 30%-40% phenolic resins 20%-30%
Auxiliary agent: wax 1%-3%
Drier: 2%
Secret mark shows black under the daylight, and the optical filter that directly sees through predetermined wavelength range is observed this mark, finds that whole marker color becomes redness.
Colorant: black Dianix Deep Black ETD 400% 30%-35%
Synthetic resin: alkyd resins 30%-40% phenolic resins 20%-30%
Auxiliary agent: wax 1%-3%
Drier: 2%
Secret mark shows black under the daylight, uses the false proof verifying attachment that the general lighting light source is housed of the present invention, and the optical filter that sees through predetermined wavelength range is observed this mark, finds that whole marker color becomes redness.
Embodiment 3
Colorant: blue Dianix Blue S-R 20%-25%
Yellow Dianix Yellow S-6G 10%-25%
Synthetic resin: alkyd resins 30%-45% phenolic resins 20%-25%
Auxiliary agent: wax 1%-3%
Drier: 2%
Secret mark shows green under the daylight, uses the false proof verifying attachment that the general lighting light source is housed of the present invention, and the optical filter that sees through predetermined wavelength range finds that whole marker color becomes the orange red aubergine that arrives.
Colorant: blue Dianix Blue S-R 30%-35%
Synthetic resin: alkyd resins 30%-40% phenolic resins 20%-35%
Auxiliary agent: wax 1%-3%
Drier: 2%
Secret mark shows bluely under the daylight, and the optical filter that directly sees through predetermined wavelength and be 550nm is observed this mark, and it is orange red to find that whole marker color becomes.
Above-mentioned printing oil proportion embodiment 1 to 3 can be incorporated into Fig. 1 in shown in Figure 4 first kind and second kind of embodiment of the present invention.
Embodiment 5
A colorant: black Dianix Deep Black ETD 400% 27%-35%
Red Dianix Rublne S-2G 1%-2%
Synthetic resin: alkyd resins 30%-45% phenolic resins 20%-28%
Auxiliary agent: wax 2%-4%
Drier: 2%
B colorant: carbon black C.I.P Black7 2%-5%
Penetrate the blue C.I.PBlue61 4% of light
Red C.I.P R 9 2%-4%
Synthetic resin: alkyd resins 20%-45% phenolic resins 20%-35%
Colloid calcium 8%-25%
Auxiliary agent: wax 3%-5%
Drier: 2%
Being marked under the daylight shown in Fig. 5 is shown as black, directly the optical filter that sees through predetermined wavelength range is observed this mark, variation has taken place in the color of finding printing zone A1, A2, the color of printing zone B1, B2 remains unchanged, thus Fig. 6 show be labeled as the circle that black annulus and red annulus are formed separately.
Embodiment 6
A colorant: black Dianix Deep Black ETD 400% 27%-35%
Red Dianix Rublne S-2G 1%-2%
Synthetic resin: alkyd resins 30%-45% phenolic resins 20%-28%
Auxiliary agent: wax 2%-4%
Drier: 2%
B colorant: carbon black C.I.P Black7 2%-5%
Penetrate the blue C.I.P Blue61 4% of light
Red C.I.P R 9 2%-4%
Synthetic resin: alkyd resins 20%-45% phenolic resins 20%-35%
Colloid calcium 8%-25%
Auxiliary agent: wax 3%-5%
Drier: 2%
Being marked under the daylight shown in Fig. 5 is shown as black, use the false proof verifying attachment that the general lighting light source is housed of the present invention, the optical filter that sees through predetermined wavelength range is observed this mark, variation has taken place in the color of finding printing zone A1, A2, the color of printing zone B1, B2 remains unchanged, thus Fig. 6 show be labeled as the circle that black annulus and red annulus are formed separately.
Embodiment 7
A colorant: blue Dianix Blue S-R 30%-35%
Yellow Dianix Yellow S-6G 15%-20%
Connect material: gummy oil 10%-13%
Colloid calcium 10%-15%
Synthetic resin: phenolic resins 20%-25%
Drier: 2%
B colorant (common): the green C.I.P G7 of phthalein mountain valley with clumps of trees and bamboo 8%-12%
Connect material: gummy oil 20%-35%
Colloid calcium 25%-35%
Synthetic resin: phenolic resins 20%-35%
Drier: 2%
Being marked under the daylight shown in Fig. 5 is shown in green, use the false proof verifying attachment that the general lighting light source is housed of the present invention, the optical filter that sees through predetermined wavelength range is observed this mark, variation has taken place in the color of finding printing zone A1, A2, the color of printing zone B1, B2 remains unchanged, thus Fig. 6 show be labeled as green annulus and the orange red circle of forming separately to the aubergine annulus.
Embodiment 8
A colorant: blue Dianix Blue S-R 30%-38%
Connect material: gummy oil 15%
Colloid calcium 15%
Synthetic resin: alkyd resins 10%
Phenolic resins 20%-28%
Drier: 2%
B colorant (common): phthalocyanine blue C.I.PBlue 15 8%-12%
Connect material: gummy oil 10%-15%
Colloid calcium 30%
Synthetic resin: alkyd resins 10%-20%
Phenolic resins 25%-35%
Drier: 2%
Being marked under the daylight shown in Fig. 5 is shown as blueness, use the false proof verifying attachment that the general lighting light source is housed of the present invention, the optical filter that sees through predetermined wavelength and be 620nm is observed this mark, variation has taken place in the color of finding printing zone A1, A2, the color of printing zone B1, B2 remains unchanged, thus Fig. 6 show be labeled as the circle that blue circular ring and red annulus are formed separately.
Embodiment 9
A colorant: black Dianix Deep Black ETD 400%20%-30%
Red Dianix Rublne S-2G 5%
Yellow Dianix Yellow S-6G 7%
Connect material: gummy oil 15%
Colloid calcium 15%
Synthetic resin: alkyd resins 10%-15%
Phenolic resins 15%-25%
Drier: 2%
B colorant (common): black C.I.P Black 7 10%
Connect material: gummy oil 15%
Colloid calcium 30%
Synthetic resin: alkyd resins 10%
Phenolic resins 25%
Drier: 2%
Being marked at shown in Fig. 5 is shown as brown under the daylight, use the false proof verifying attachment that the general lighting light source is housed of the present invention, the optical filter that sees through predetermined wavelength and be 720nm is observed this mark, variation has taken place in the color of finding printing zone A1, A2, the color of printing zone B1, B2 remains unchanged, thus Fig. 6 show be labeled as the circle that brown annulus and kermesinus annulus are formed separately.If selecting predetermined wavelength for use is that the optical filter of 820nm is observed this mark, the circle that the mark that Fig. 6 shows is still formed separately for brown annulus and kermesinus annulus.
Dianix Deep Black ETD 400%, Dianix BlueS-R, Dianix Yellow S-6G, Dianix Rublne S-2G, the Dianix Yellow S-6G that is mentioned in the foregoing description is colorant trade name commonly used on the market of association area, do not have the Chinese of determining at present.The person of an ordinary skill in the technical field is correctly to buy correct required colorant according to such trade name on market.
Referring to Fig. 7, the anti-counterfeiting detecting device of secret mark of the present invention comprises a cover body 2 that has certain space, built-in ordinary light source 1, and it can be incandescent lamp or Halogen lamp LED; Case top or sidepiece at cover body 2 are provided with peep hole, corresponding to each peep hole the optical filter 4 of predetermined wavelength in the 550-820nm scope are installed all.Described optical filter 4 can be for two or more, and are installed in respectively on the peep hole on the described cover body 2.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (10)
1. the secret mark on the anti false information carrier, a plurality of printing zones are arranged, on described a plurality of printing zones, be provided with at least a printing ink, it is characterized in that: first printing ink (A) in the described at least a printing ink is under the ordinary light source irradiation, observe at the optical filter (4) of 550-820nm scope by predetermined wavelength, the color that presents under the color that is presented and the normal optical is obviously different.
2. secret mark according to claim 1, it is characterized in that: first printing ink (A) in the described at least a printing ink is under the ordinary light source irradiation, observe at the optical filter (4) of 620-820nm scope by predetermined wavelength, the color that presents under the color that is presented and the normal optical is obviously different.
3. secret mark according to claim 1 and 2, it is characterized in that: be arranged in the described at least a printing ink of described a plurality of printing zones and also be provided with second printing ink (B), described second printing ink (B) and described first printing ink (A) present mutually the color of " being similar to " under normal optical; And under the ordinary light source irradiation, observe by the optical filter (4) of predetermined wavelength range, described second printing ink (B) presents different colors with described first printing ink (A).
4. secret mark according to claim 1 and 2 is characterized in that: the color that described first printing ink (A) presents under normal optical is a kind of in brown, green, blue, ash or the black.
5. secret mark according to claim 3, it is characterized in that: described first printing ink (A) and described second printing ink (B) are observed under normal optical, the color " coloured light " that printing ink (A), (B) marking present is approximate, a kind of in brown, green, blue, ash or the black; Described first printing ink (A) is observed by the optical filter (4) of predetermined wavelength range under ordinary light source irradiation, and color transfers a kind of in orange, orange red, red, the aubergine significantly to.
6. a method of inspection that is used for the secret mark described in the claim 1 to 5 is characterized in that: under the ordinary light source irradiation, see through a predetermined wavelength and observe at the optical filter (4) of 550-820nm scope.
7. the method for inspection of secret mark according to claim 6, it is characterized in that: the predetermined wavelength of described optical filter (4) is in the 620-820nm scope.
8. according to the claim 6 or the 7 described methods of inspection, adopt video-unit to the variation of marker color and form observe, detection or view data store.
9. verifying attachment of making according to claim 6 or the 7 described methods of inspection, it is characterized in that: the optical filter of described one or more predetermined wavelength ranges (4) is installed on the peep hole of cover body (a 2) top or sidepiece.
10. verifying attachment according to claim 9 is characterized in that: be provided with light source in the described device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100001095A CN101003241B (en) | 2006-10-11 | 2007-01-05 | Confidential marker on anti false information carrier, test method, and test equipment |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610140814 | 2006-10-11 | ||
| CN200610140814.0 | 2006-10-11 | ||
| CN2007100001095A CN101003241B (en) | 2006-10-11 | 2007-01-05 | Confidential marker on anti false information carrier, test method, and test equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101003241A true CN101003241A (en) | 2007-07-25 |
| CN101003241B CN101003241B (en) | 2010-08-25 |
Family
ID=38702711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100001095A Expired - Fee Related CN101003241B (en) | 2006-10-11 | 2007-01-05 | Confidential marker on anti false information carrier, test method, and test equipment |
Country Status (1)
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| CN (1) | CN101003241B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783094A (en) * | 2010-03-15 | 2010-07-21 | 华为终端有限公司 | Making method of infrared anti-counterfeiting mark and product having infrared anti-counterfeiting mark |
| CN102275349A (en) * | 2011-05-06 | 2011-12-14 | 中丰田光电科技(珠海)有限公司 | Positioning information anti-counterfeiting laser powder and preparation method thereof |
| CN102108653B (en) * | 2009-12-25 | 2012-07-25 | 中国印钞造币总公司 | Sheet-like anti-counterfeiting material and anti-counterfeiting paper |
| CN103770489A (en) * | 2014-02-27 | 2014-05-07 | 深圳市法兰文化产业有限公司 | Printing method of color image for anti-counterfeiting |
| CN103895379A (en) * | 2012-12-28 | 2014-07-02 | 中国人民银行印制科学技术研究所 | Anti-counterfeiting pattern manufacturing method and product with anti-counterfeiting pattern |
| CN106349809A (en) * | 2016-11-07 | 2017-01-25 | 上海印钞有限公司 | Infrared absorption-nonabsorption paired carving gravure ink |
| CN107499013A (en) * | 2017-09-26 | 2017-12-22 | 厦门汉盾光学科技有限公司 | A kind of security article and preparation method thereof |
| WO2018224108A1 (en) * | 2017-06-07 | 2018-12-13 | Dansk Retursystem A/S | A security mark and a method for validating the authenticity of a security mark |
| CN109686228A (en) * | 2018-12-21 | 2019-04-26 | 广东石油化工学院 | Invisible trademark method for anti-counterfeit |
| CN111610588A (en) * | 2020-04-20 | 2020-09-01 | 湖北卫东化工股份有限公司 | Inspection mirror capable of visually identifying green camouflage and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1407065A (en) * | 1972-11-30 | 1975-09-24 | Rue Co Ltd Thomas De | Production of security documents |
| GB1512018A (en) * | 1975-07-03 | 1978-05-24 | Bradbury Wilkinson & Co | Inhibiting forgery |
| AUPO289296A0 (en) * | 1996-10-10 | 1996-10-31 | Securency Pty Ltd | Self-verifying security documents |
| CN2639962Y (en) * | 2003-09-10 | 2004-09-08 | 蔡永权 | CCD imaging false checking device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102108653B (en) * | 2009-12-25 | 2012-07-25 | 中国印钞造币总公司 | Sheet-like anti-counterfeiting material and anti-counterfeiting paper |
| CN101783094A (en) * | 2010-03-15 | 2010-07-21 | 华为终端有限公司 | Making method of infrared anti-counterfeiting mark and product having infrared anti-counterfeiting mark |
| CN102275349A (en) * | 2011-05-06 | 2011-12-14 | 中丰田光电科技(珠海)有限公司 | Positioning information anti-counterfeiting laser powder and preparation method thereof |
| CN102275349B (en) * | 2011-05-06 | 2013-08-21 | 中丰田光电科技(珠海)有限公司 | Positioning information anti-counterfeiting laser powder and preparation method thereof |
| CN103895379B (en) * | 2012-12-28 | 2016-04-27 | 中国人民银行印制科学技术研究所 | The manufacture method of security pattern and there is the product of security pattern |
| CN103895379A (en) * | 2012-12-28 | 2014-07-02 | 中国人民银行印制科学技术研究所 | Anti-counterfeiting pattern manufacturing method and product with anti-counterfeiting pattern |
| CN103770489A (en) * | 2014-02-27 | 2014-05-07 | 深圳市法兰文化产业有限公司 | Printing method of color image for anti-counterfeiting |
| CN106349809A (en) * | 2016-11-07 | 2017-01-25 | 上海印钞有限公司 | Infrared absorption-nonabsorption paired carving gravure ink |
| CN106349809B (en) * | 2016-11-07 | 2019-09-03 | 上海印钞有限公司 | A kind of non-absorbing pairing engraving intaglio printing ink of infrared absorption- |
| WO2018224108A1 (en) * | 2017-06-07 | 2018-12-13 | Dansk Retursystem A/S | A security mark and a method for validating the authenticity of a security mark |
| CN107499013A (en) * | 2017-09-26 | 2017-12-22 | 厦门汉盾光学科技有限公司 | A kind of security article and preparation method thereof |
| CN109686228A (en) * | 2018-12-21 | 2019-04-26 | 广东石油化工学院 | Invisible trademark method for anti-counterfeit |
| CN111610588A (en) * | 2020-04-20 | 2020-09-01 | 湖北卫东化工股份有限公司 | Inspection mirror capable of visually identifying green camouflage and preparation method thereof |
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| CN101003241B (en) | 2010-08-25 |
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