CN102370299A - Microlens array imaging anticounterfeiting coin or badge - Google Patents
Microlens array imaging anticounterfeiting coin or badge Download PDFInfo
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- CN102370299A CN102370299A CN201010261658XA CN201010261658A CN102370299A CN 102370299 A CN102370299 A CN 102370299A CN 201010261658X A CN201010261658X A CN 201010261658XA CN 201010261658 A CN201010261658 A CN 201010261658A CN 102370299 A CN102370299 A CN 102370299A
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- microlens array
- forgery
- transparent medium
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Abstract
The invention discloses an anticounterfeiting coin or badge and particularly relates to a microlens array imaging anticounterfeiting coin or badge, which comprises a coin or badge and an anticounterfeiting structure arranged on the coin or badge. The characteristic structure is as follows: micro-texture anticounterfeiting patterns are directly printed on the surface of the coin or badge; a layer of transparent medium is coated on the micro-texture anticounterfeiting patterns; and a microlens array is formed under the surface of the transparent medium layer. In the invention, the trueness of a coin, badge or other artwork can be judged directly, namely when the anticounterfeiting micro patterns on the surface of the coin, badge or other metal artwork are observed by naked eyes, magnified patterns and a three-dimensional drifting effect can be seen. The anticounterfeiting is better and the identification is more convenient.
Description
Technical field
The present invention relates to a kind of Anti-forgery coin, chapter, particularly relate to a kind of microlens array imaging Anti-forgery coin, chapter.
Background technology
At present, being applied in anti-counterfeiting technology on coin and the chapter has a variety ofly, comprises such as limit portion false proofly, and material, figure line are false proof or the like, but with respect to other field, the application of coin anti-counterfeiting technology is also relatively limited.In recent years, a lot of image false-proof technology were successfully applied to coin, and had played good antifalse effect, like technology such as stealth engraving, laser hologram, colours, had promoted the anti-counterfeiting technology content of coin to a great extent.
The designer of coin more is ready to adopt the anti-counterfeiting technology of expression design philosophy directly perceived.The optical anti-counterfeiting technology that people's naked eyes intuitively can be seen has stronger vitality.Can both realize direct visual effect such as technology such as now popular holography, color printing, stealths, the similar anti-counterfeiting technology of on paper, using also has a lot, may be transplanted on the metal coin along with development of technology.But the Anti-forgery coin that present naked eyes intuitively can be seen, the antifalse effect of chapter still need further to improve, and this is the technical problem that those skilled in the art are badly in need of solving, and does not see that also the anti-counterfeiting technology relevant with the present invention is applied on coin, the chapter at present.
Summary of the invention
Technical problem to be solved by this invention provides a kind of microlens array imaging Anti-forgery coin, chapter, and purpose provides microlens array imaging Anti-forgery coin, the chapter that a kind of novel people's naked eyes intuitively can be seen, its antifalse effect is good.
In order to achieve the above object, the present invention realizes through following technical scheme.
Microlens array imaging Anti-forgery coin, chapter; It comprises coin or chapter; And be arranged on the anti-counterfeit structure on coin or the chapter; Its concrete structure is following: directly print little figure line security pattern at coin or chapter surface, on little figure line security pattern, be coated with the layer of transparent medium, be provided with microlens array at the transparent medium laminar surface.
Described transparent medium is UV glue, quartzy no shadow glue or ultraviolet curing glue.
The position of described little figure line security pattern is lower than coin surface, attaches the space for transparent medium leaves to be coated with.
Little figure line stroke width of described little figure line security pattern is 0.5-2 μ m.
Described little figure line is micro text or thumbnail line array, and Dan Weitu line length is less than 0.3mm.
Described microlens array is the lenticule with focussing force.
Described microlens array lens arra becomes square matrix-shaped arrangement.
Described transparent medium thickness is less than 1mm.
Advantage of the present invention and effect are following:
The present invention directly prints little figure line security pattern at coin or chapter surface; On pattern, be coated with one deck UV glue or other transparent medium and constitute sign; This sign surface is printed on the microlens array structure; See through this sign and can see the coin surface micro figure line anti-counterfeiting information that has amplified, and through the moving on to of point of observation and coin relative position, the anti-counterfeiting pattern after the amplification can present the effect of three-dimensional drifting state.The present invention can realize the direct judgement to coin, chapter or other handicraft true and false, during the false proof micro pattern in this coin that promptly detects by an unaided eye, chapter or other metal handicrafts surface, can see the pattern of amplification and three-dimensional drift effect is arranged.If the microlens array medium is separated with coin, chapter; Then this amplification and three-dimensional drift effect disappear; The fake producer is placed on this microlens array medium and counterfeits coins, the antifalse effect pattern can not occur on chapter or other metal handicrafts, and other transparent medium is placed on coin or the chapter surface can not produce the antifalse effect pattern yet.That is: the necessary supporting use of micro security pattern and microlens array sign just can be seen the antifalse effect pattern.Antifalse effect of the present invention is better, and convenient identification.
Description of drawings
Fig. 1 is the sectional structure sketch map of microlens array imaging Anti-forgery coin of the present invention, chapter.
Fig. 2 is the sectional structure sketch map of the anti-counterfeit structure of microlens array imaging Anti-forgery coin of the present invention, chapter.
Fig. 3 is a microlens array structure enlarged drawing among Fig. 1.
Fig. 4 is the little figure line of the present invention security pattern micro text figure.
Among the figure, 1, transparent medium, 2, coin or chapter, 3, microlens array, 4, little figure line security pattern.
The specific embodiment
Below through the description of the specific embodiment the present invention is done further explain; But this is not to be limitation of the present invention; Those skilled in the art are according to basic thought of the present invention; Can make various modifications or improvement, but only otherwise break away from basic thought of the present invention, all within scope of the present invention.
As shown in Figure 1; Be the sectional structure sketch map of microlens array imaging Anti-forgery coin, chapter, the present invention identifies supporting the composition by little figure line security pattern 4 and lenticule, directly prints little figure line security pattern 4 at coin or chapter 2 surfaces; Be coated with above the pattern with transparent medium 1 at this; Transparent medium 1 is that skim UV glue or other transparent medium constitute sign, this sign surface is printed on microlens array 3 structures, can see the coin surface micro figure line security pattern that has amplified through this sign; And through moving on to of point of observation and coin relative position, the anti-counterfeiting pattern after the amplification can present the special-effect of three-dimensional drifting state.
The present invention forms the surface that wherein little figure line security pattern directly is stamped in coin or chapter by coin, chapter or other handicraft, micro structural anti false pattern and lenticule sign, and its stroke width is greatly about 0.5-2 μ m, and is best at 0.8-1.2 μ m.Shown in accompanying drawing 2; The impression position of little figure line security pattern is lower slightly than the surface of coin or chapter, attaches the space for transparent medium leaves to be coated with, and transparent medium is UV glue, quartzy no shadow glue or ultraviolet curing glue; Be bonded on little figure line security pattern of coin or chapter, cover little figure line security pattern.Transparent medium thickness designs according to the lenticule focal length, is generally less than to equal 1mm, at 0.1mm-1mm.Process the microlens array with focussing force at the transparent medium upper surface, as shown in Figure 3, microlens array becomes square matrix-shaped arrangement; This microlens array can amplify and the translation effect above-mentioned micro structural anti false pattern generating.
Coin or chapter material that the present invention adopts can be selected any metal material harmless to human non-toxic; Little figure line security pattern can be designed arbitrarily by the designer; But this pattern preferably is arranged in array format, and is corresponding with microlens array, but dimensional parameters is not necessarily identical.As shown in Figure 4, be a kind of structural representation of little figure line security pattern.
The microlens array that the present invention adopts directly is processed in the transparent medium surface, need not extra media.
In the normal imprinted line of coin, chapter or handicraft surface; The place of making anti-fake mark in the part impresses little figure line security pattern; This pattern is made up of micro text or thumbnail line array; Its single pattern or word length be smaller or equal to 0.3mm, and it is invisible, as shown in Figure 4 to be generally the 0.05.-0.33mm naked eyes.
Bonding one deck lenticule identification marking on little figure line security pattern, this sign base material is a transparent medium, as: plastic materials such as UV glue.Sign upper surface compacting microlens array, sign thickness is set according to the false proof micro structured pattern dimensional parameters and the focal length of lens, and, enlarged image clear just in time can access is advisable.This sign can be coated with on false proof micro pattern earlier attaches transparent medium, then moulded lens on medium; Also can on medium, suppress lens arra in advance, be bonded to coin or chapter surface respective regions again.
The operation principle of the present invention and the course of work are following:
The present invention utilizes second generation optical image technology, the micro text of coin, chapter or other handicraft surfaces or figure line is carried out amplification imaging, and produce three-dimensional dynamic effect.
Claims (8)
1. microlens array imaging Anti-forgery coin, chapter; It comprises coin or chapter; And be arranged on the anti-counterfeit structure on coin or the chapter; It is characterized in that structure is following: directly print little figure line security pattern at coin or chapter surface, on little figure line security pattern, be coated with, be provided with microlens array at the transparent medium laminar surface with the layer of transparent medium.
2. microlens array imaging Anti-forgery coin according to claim 1, chapter is characterized in that described transparent medium is UV glue, quartzy no shadow glue or ultraviolet curing glue.
3. microlens array imaging Anti-forgery coin according to claim 1, chapter is characterized in that the position of described little figure line security pattern is lower than coin surface, attach the space for transparent medium leaves to be coated with.
4. microlens array imaging Anti-forgery coin according to claim 1 and 2, chapter is characterized in that little figure line stroke width of described little figure line security pattern is 0.5-2 μ m.
5. microlens array imaging Anti-forgery coin according to claim 1 and 2, chapter is characterized in that described little figure line is micro text or thumbnail line array, and Dan Weitu line length is less than 0.3mm.
6. microlens array imaging Anti-forgery coin according to claim 1, chapter is characterized in that described microlens array is the lenticule with focussing force.
7. according to claim 1 or 6 described microlens arrays imaging Anti-forgery coins, chapter, it is characterized in that described microlens array lens arra becomes square matrix-shaped arrangement.
8. microlens array imaging Anti-forgery coin according to claim 1, chapter is characterized in that described transparent medium thickness is less than 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010261658XA CN102370299A (en) | 2010-08-25 | 2010-08-25 | Microlens array imaging anticounterfeiting coin or badge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010261658XA CN102370299A (en) | 2010-08-25 | 2010-08-25 | Microlens array imaging anticounterfeiting coin or badge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102370299A true CN102370299A (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010261658XA Pending CN102370299A (en) | 2010-08-25 | 2010-08-25 | Microlens array imaging anticounterfeiting coin or badge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107945649A (en) * | 2014-08-11 | 2018-04-20 | 赵成载 | The three-dimensional label for moving pattern using fine pattern and lenticule |
Citations (7)
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|---|---|---|---|---|
| CN1271106A (en) * | 1999-04-21 | 2000-10-25 | 四川大学 | Combined micro lens and micro figure film |
| CN1423598A (en) * | 2000-01-21 | 2003-06-11 | 福来克斯产品公司 | Uptically variable security devices |
| CN1552589A (en) * | 2003-05-29 | 2004-12-08 | 中国科学院光电技术研究所 | Continuous microlens array amplifying displaying antifogery method |
| CN2740017Y (en) * | 2004-11-05 | 2005-11-16 | 吴时欣 | Anti-forgery coin |
| US20090034082A1 (en) * | 2004-04-30 | 2009-02-05 | De La Rue International, Ltd. | Optically Variable Devices |
| CN101434176A (en) * | 2008-12-25 | 2009-05-20 | 中国印钞造币总公司 | Optical anti-counterfeiting element and product with the same |
| CN101767511A (en) * | 2010-01-12 | 2010-07-07 | 中钞特种防伪科技有限公司 | Optical anti-counterfeiting component and product with anti-counterfeiting component |
-
2010
- 2010-08-25 CN CN201010261658XA patent/CN102370299A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1271106A (en) * | 1999-04-21 | 2000-10-25 | 四川大学 | Combined micro lens and micro figure film |
| CN1423598A (en) * | 2000-01-21 | 2003-06-11 | 福来克斯产品公司 | Uptically variable security devices |
| CN1552589A (en) * | 2003-05-29 | 2004-12-08 | 中国科学院光电技术研究所 | Continuous microlens array amplifying displaying antifogery method |
| US20090034082A1 (en) * | 2004-04-30 | 2009-02-05 | De La Rue International, Ltd. | Optically Variable Devices |
| CN2740017Y (en) * | 2004-11-05 | 2005-11-16 | 吴时欣 | Anti-forgery coin |
| CN101434176A (en) * | 2008-12-25 | 2009-05-20 | 中国印钞造币总公司 | Optical anti-counterfeiting element and product with the same |
| CN101767511A (en) * | 2010-01-12 | 2010-07-07 | 中钞特种防伪科技有限公司 | Optical anti-counterfeiting component and product with anti-counterfeiting component |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107945649A (en) * | 2014-08-11 | 2018-04-20 | 赵成载 | The three-dimensional label for moving pattern using fine pattern and lenticule |
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Application publication date: 20120314 |