WO2017133693A1 - 一种防伪标识、防伪系统及一种随机纹理的防伪方法 - Google Patents

一种防伪标识、防伪系统及一种随机纹理的防伪方法 Download PDF

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WO2017133693A1
WO2017133693A1 PCT/CN2017/072912 CN2017072912W WO2017133693A1 WO 2017133693 A1 WO2017133693 A1 WO 2017133693A1 CN 2017072912 W CN2017072912 W CN 2017072912W WO 2017133693 A1 WO2017133693 A1 WO 2017133693A1
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texture
ink
counterfeit
textures
counterfeiting
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PCT/CN2017/072912
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English (en)
French (fr)
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孙显林
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北京柯斯元科技有限公司
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Publication of WO2017133693A1 publication Critical patent/WO2017133693A1/zh

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/0297—Forms or constructions including a machine-readable marking, e.g. a bar code

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  • the invention relates to an anti-counterfeit mark, in particular to an anti-counterfeit mark whose texture can be densely distributed and does not overlap.
  • the invention relates to an anti-counterfeiting system, in particular to a texture anti-counterfeiting identifier which has a texture densely distributed and does not overlap, and the texture distribution pattern is stored in a database for the finder to query.
  • the invention also relates to a method for anti-counterfeiting of random textures, in particular, an anti-counterfeiting method for anti-counterfeiting labels whose texture can be densely distributed and does not overlap, and the texture distribution pattern is stored in a database for the finder to query.
  • Texture anti-counterfeiting technology has been widely used in the anti-counterfeiting of various products.
  • the texture anti-counterfeiting means that the random distribution of the texture distribution pattern or pattern on the anti-counterfeiting mark is stored in the database in advance, and the random texture pattern in the database is retrieved during the recognition. Compare to determine the authenticity of the product.
  • the invention patent CN99801139.8 [structural texture anti-counterfeiting method] describes in detail the anti-counterfeiting method of the random texture. Later in the implementation process, we found that further problems should be solved: when the counterfeiters use the placed texture distribution for fake imitation, no matter whether the naked eye directly compares the recognition or the contrast of the mobile phone image, the fraud can not be distinguished, despite the artificial texture distribution. There is a certain cost of fraud, but for products with higher or higher false value, the fraud is profitable.
  • the automatic transmission of the image captured by the mobile phone to the Internet database for automatic identification of the texture distribution is a development trend, which not only makes the user identification easier, but also allows the naked eye to directly contrast and recognize the texture distribution, and the texture distribution density can be larger.
  • the sprinkle adheres to the adhered surface.
  • the current method of sticking and sticking of glitter powder although the overlap can be removed when densely spreading, it is impossible to control the distance between the textures so that the mobile phone or the human eye can distinguish.
  • the object of the present invention is to design an anti-counterfeit mark, which not only increases the number of textures per unit area, but also adapts to the resolution of the human eye or the resolution of the picture taken by the mobile phone or the resolution and image contrast processing of other special shooting recognition.
  • the present invention also relates to an anti-counterfeiting system and a random texture anti-counterfeiting method.
  • An anti-counterfeiting identifier comprising a carrier (1) and a random texture distribution layer (2) on the carrier (1), the texture (3) in the texture distribution layer (2) being a three-dimensional shape, characterized in that the texture
  • the top end of (3) is also printed with an ink (4) which is densely arranged and has a gap between the top ends of adjacent textures, the voids causing at least part of the texture (3) three-dimensional shape at least under magnification conditions
  • the sides can be seen; the ink is such that at least a portion of the ink on the top end is visible when viewing the texture from various angles above.
  • the texture (3) is preferably elongated and the length to width ratio of the strip is greater than 1.5.
  • the strip-shaped cross section of the texture in the longitudinal direction is preferably circular or elliptical.
  • the texture (3) is preferably a spherical or other shaped solid particle.
  • the texture (3) is preferably white or transparent.
  • the texture (3) may also be a light color, and the corresponding ink (4) is a dark color. That is, after the gradation processing, the gray value of the dark area is larger than the light area.
  • the texture (3) may be a metallic material. Suitable for some special requirements.
  • the texture (3) may also be a polymer material, and the surface of the polymer material is plated with a metal film layer.
  • the dense arrangement is such that the texture arrangement area density is greater than 50%.
  • the texture distribution layer (2) is mixed with a rubber compound.
  • the solvent of the compound is a volatile solvent.
  • the average interval of the gaps between the tips of the adjacent textures (3) is preferably in the range of 20 um to 1000 um.
  • the textures (3) have a color difference or the texture distribution layer comprises a patch distribution of different colors.
  • the ink (4) comprises at least two layers of ink of different colors. Further, it also includes encoding.
  • Each of the codes has different security features.
  • the texture is preferably a fiber having a multi-color cross section.
  • the cross-section is multi-color, which can observe the stereoscopic effect of the texture when zoomed in and out, and has better prevention for the fraudulent behavior of using the molding and engraving methods.
  • the fibers are multi-colored in cross section and are twisted and extended along the length of the fiber.
  • the texture structure can observe the stereoscopic effect of the texture when zoomed in and out, and has better protection against the fraudulent behavior of the molding and engraving methods.
  • the single-strand fiber has a cross-section of a plurality of fibers, and the plurality of fiber plies are twisted and extended along the length of the fiber.
  • the texture The structure can observe the stereoscopic effect of the texture when magnifying and observing, and has better prevention for the fraudulent behavior of using the molding and engraving methods.
  • An anti-counterfeiting system comprising the above-mentioned anti-counterfeiting mark, characterized in that at least part of the distribution pattern of the texture (3) top ink (4) of the anti-counterfeit mark or/and the feature value of the distribution pattern is stored in a computer database, The identifier is checked by the identifier.
  • the anti-counterfeit mark is further printed with a code or the anti-counterfeit mark is further printed with a code.
  • the encoding can be a multi-standard code.
  • a random texture anti-counterfeiting method comprising the following steps:
  • Step 1 Select a texture with a three-dimensional shape (3)
  • Step 2 densely spread the texture (3) onto the surface of the carrier (1) with a gap between the top ends of adjacent textures
  • Step: 3 remove the texture (3) that is not directly adhered to the surface of the carrier
  • Step 4 printing ink on the top end of the texture (3) (4) the ink is such that at least a portion of the ink on the top end is visible when the texture is viewed from above.
  • Step 5 The distribution pattern of the ink (4) on the anti-counterfeit label and/or the feature value of the distribution pattern are stored in a computer database for the identifier to retrieve.
  • each time the distribution is randomly scattered.
  • a random texture anti-counterfeiting method comprising the following steps:
  • Step 1 Select a texture with a three-dimensional shape (3)
  • Step 2 Mixing the texture (3) into the compound to form a mixture, the textures are densely arranged and between the top ends of adjacent textures
  • Step 3 coating the mixture on the surface of the carrier material, so that the rubber compound changes from flowing to solidifying, and the curing process of the rubber compound shrinks, so that the texture (3) in the rubber compound can be convex from the surface of the rubber compound;
  • Step 4 printing ink on the top end of the texture (3) (4) the ink is such that at least a portion of the ink on the top end is visible when the texture is viewed from above.
  • Step 5 The distribution pattern of the ink (4) on the anti-counterfeit label and/or the feature value of the distribution pattern are stored in a computer database for the identifier to retrieve.
  • a step of smoothing is included before the curing of the rubber in step 3, and the purpose of the smoothing is to prevent overlap between the textures.
  • the smearing may include rolling, equalizing a plurality of processes, as long as there is no overlap between the textures.
  • the rubber compound is a volatile rubber compound, and the volume of the rubber compound becomes smaller after volatilization, and the rubber compound shrinkage rate is greater than 30%.
  • each coating is randomly applied.
  • the structure that is implemented at random is that the distribution pattern of the fibers on each anti-counterfeiting mark is different.
  • an encoding can be printed on the texture anti-counterfeiting mark.
  • the texture distribution of the present invention is densely arranged, and the placement cost of the counterfeiter can be greatly improved by random dense arrangement;
  • the texture distribution is densely arranged, and By making a certain gap between the top ends of the texture, the effect of not densely overlapping is achieved, and an ink pattern is printed on the top of the texture, so that the image with void formed by the texture has strong recognizability, and can be automatically realized with computer images. Contrast support. It is especially suitable for human eyes and shooting equipment, especially for mobile phone shooting, and can be easily used, and can increase the cost of the counterfeiter. It has a very good development prospect.
  • the texture is elongated, the further cross section is round or elliptical, or the texture is spherical, which allows the gap to be sufficiently large while the pattern formed by the top ink has a better resolution.
  • the dense arrangement preferably has a texture arrangement area density of more than 50%.
  • the average interval between the adjacent texture top ends is preferably in the size range of 20 um to 1000 um.
  • the texture is selected as fiber, and further adopts multi-color twist extension, which can make the visual sense more obvious when the texture solid structure is enlarged and recognized; and the visual characteristics of the fiber can be combined with the corresponding ink to form a common texture pattern.
  • Figure 1 is a schematic illustration of a cross-section of an anti-counterfeit logo without an adhesive layer having a densely arranged texture.
  • FIG. 2 is a schematic illustration of a cross-section of an anti-counterfeit logo with an adhesive layer having a densely arranged texture.
  • Figure 3 is a top plan view of an anti-counterfeit logo with densely arranged textures.
  • Figure 4 is a top plan view of the coded security feature.
  • Figure 5 is a schematic cross-sectional view of a twisted extended two-color fiber texture.
  • Figure 6 is a perspective view of a twisted extended two-color fiber texture.
  • Figure 7 is a schematic cross-sectional view of a four-color fiber texture.
  • Figure 8 is a top plan view of the texture printed with two layers of ink on the top.
  • FIG. 1 is a schematic diagram showing a densely arranged cross-section of the anti-counterfeit mark and a plan view of the densely arranged anti-counterfeit mark of FIG. 3, including a random texture distribution layer 2 on the carrier 1 and the carrier 1, and the texture 3 in the texture distribution layer 2 is a long cylindrical shape, and the material is It is a polymer PET with a length of 350-450 um, a diameter of 200 um, and a texture arrangement area density of more than 50%.
  • the top of the texture 3 is also printed with ink 4, and the thickness of the printing ink layer is less than 10 um.
  • the average interval of the gaps between the tips of adjacent textures (3) is preferably in the range of 20 um to 200 um.
  • Metals can be selected for special occasions, such as aluminum wire, stainless steel wire, etc., which can meet the special requirements of wear resistance or temperature.
  • the gap can also be increased to a size range of 2000um.
  • the texture 3 is a fiber and has a two-color cross section, and further may be a twisted extension of the two fibers, as shown in FIGS. 5 and 6.
  • color fibers may be used, as shown in Fig. 7 for four fibers.
  • Embodiment 1 differs from Embodiment 1 in that the top of the texture 3 is coated with two inks of different colors, as shown in FIG.
  • a two-dimensional code is printed on the anti-counterfeiting mark described in Embodiment 1 or other embodiments. As shown in FIG. 4, the two-dimensional code corresponds to the anti-counterfeit mark one by one, and the two-dimensional code is combined with the ink 4 to form The pattern or pattern features are stored together in a computer database.
  • An anti-counterfeiting method for an anti-counterfeiting identifier includes the following steps:
  • Step 1 selecting the strip texture described in Embodiment 1, which may also be the texture of other embodiments;
  • Step 2 Randomly scatter the texture on the adhesive layer 5 on the surface of the carrier (as shown in FIG. 2);
  • Step 3 removing the texture that is not directly adhered to the adhesive layer 5, in order to ensure the orientation of the long strip texture, that is, the strip direction is parallel to the surface of the carrier, a press-scraping process or the like may also be selected;
  • Step 4 Printing the ink on the texture distribution layer. Since the printing plate is flat and the three-dimensional structure of the cylindrical strip itself, only the ink layer 4 is printed on the top end.
  • Step 5 The distribution pattern of the ink (4) on the anti-counterfeit label and/or the feature value of the distribution pattern are stored in a computer database for the identifier to retrieve.
  • Another anti-counterfeiting method for anti-counterfeiting identification includes the following steps:
  • Step 1 selecting the strip texture described in Embodiment 1, which may also be the texture of other embodiments;
  • Step 2 The texture is densely mixed into the rubber compound to form a mixture, and the rubber compound is selected from high temperature sticky hot melt adhesive dissolved in ethyl acetate, and the tack temperature is greater than 90 ° C;
  • Step 3 The mixture is randomly coated on the surface of the carrier material to make the compound change from flow to solidification. Due to the evaporation of the solvent ethyl acetate, the volume of the hot melt adhesive solution shrinks by more than 70% after curing. It is also possible to add a smoothing action before curing so that there is no overlap between the textures;
  • Step 4 Print ink 4 on the top of texture 3, perhaps printed on a thin layer of hot melt adhesive on the top, but zoom in and see, the human eye still sees the ink layer attached to the top of the texture, which can represent the texture. Distribution location and orientation.
  • Step 5 The distribution pattern of the ink (4) on the anti-counterfeit label and/or the feature value of the distribution pattern are stored in a computer database for the identifier to retrieve.

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Abstract

一种防伪标识、防伪系统及随机纹理（3）的防伪方法。防伪标识包含载体（1）和载体（1）上的随机纹理分布层（2），纹理分布层（2）中的纹理（3）为立体形状。纹理（3）的顶端还印涂有油墨（4），纹理（3）密集排列且相邻纹理（3）的顶端之间具有空隙。空隙使得至少在放大条件下纹理（3）立体形状的至少部分侧部可被看到，油墨（4）使得从上方各个角度观察纹理（3）时均至少可见到顶端上的部分油墨（4）。纹理（3）分布为密集排列同时又不密集重叠，油墨（4）图案，使得纹理（3）形成的具有空隙的图像具有较强的可识别性，既能方便使用、又能增加造假者的造价成本。

Description

一种防伪标识、防伪系统及一种随机纹理的防伪方法 技术领域
本发明涉及一种防伪标识，特别是一种纹理能密集分布且不重叠的防伪标识。
本发明涉及一种防伪系统，特别是具有纹理能密集分布且不重叠的纹理防伪标识，纹理分布图案存储在数据库中以备识别者查询。
本发明还涉及一种随机纹理的防伪方法，特别是纹理能密集分布且不重叠的防伪标识的防伪方法，纹理分布图案存储在数据库中以备识别者查询。
背景技术
纹理防伪技术已经开始广泛应用于各类产品的防伪中，所述纹理防伪是指事先将防伪标识上的纹理分布图案或图案的随机特征存储在数据库中，识别时调取数据库中的随机纹理图案进行对比以确定产品真伪。发明专利CN99801139.8【结构纹理防伪方法】详细描述了这种随机纹理的防伪方法。后来的实施过程中发现进一步要解决的问题：造假者利用摆放的纹理分布进行造假模仿时，不管肉眼直接对比识别还是手机拍摄图像对比识别，均无法区分这种造假行为，尽管人工纹理分布摆放有一定造假成本，但是对于造假附加值较高或很高的产品，造假行为均有利可图。
目前，手机拍摄图像直接传送至互联网数据库进行纹理分布的自动识别是一种发展趋势，不但使用户识别变得更加简单，并且，相对纹理分布的肉眼直接对比识别，纹理分布密度可以更大。
为了使造假者通过摆放纹理分布造假的方式无利可图，增加单位面积的纹理数量就显得十分重要，计算机图像软件进行自动对比识别时，要求密集布撒时纹理不重叠，且纹理相隔距离不能太近以确保手机图像采集时的分辨率能区分开，现有的技术还没有解决，以下列举了一些现有的纹理分布方法：
1、水中分散纹理。例如造纸过程，由于过程随机，根本无法保证纹理不重叠，也无法控制任意两个纹理之间的间隔大小。
2、抛洒附着在粘附的表面上。例如目前金葱粉的抛洒附着方法，尽管密集布撒时可以去掉重叠，但是无法控制纹理之间相隔一定距离，以便手机或人眼可以分辨。
因此，通过不重叠密集排列来增加造假者的摆放成本，通过控制纹理之间的距离来保证计算机对随机纹理分布图像的处理是目前纹理防伪要解决的问题。
发明内容
本发明的目的是设计一种防伪标识，不但增加了单位面积纹理的数量，还适应了人眼的分辨或者是手机拍摄图片的分辨或者是其它专门拍摄识别的分辨及图像对比处理。
与上述防伪标识相关，本发明还涉及一种防伪系统及随机纹理的防伪方法。
本发明的目的是这样来实现的：
一种防伪标识，包含载体(1)和载体(1)上的随机纹理分布层(2)，所述纹理分布层(2)中的纹理(3)为立体形状，其特征在于，所述纹理(3)的顶端还印涂有油墨(4)，所述纹理密集排列且相邻纹理的顶端之间具有空隙，所述空隙使得至少在放大条件下所述纹理(3)立体形状的至少部分侧部可被看到；所述油墨为使得从上方各个角度观察所述纹理时均至少可见到顶端上的部分油墨。
所述载体(1)和随机纹理分布层(2)之间还可以有粘胶层(5)。
所述纹理(3)优选的为长条状，长条的长度与宽度之比大于1.5。
长条状的所述纹理沿长度方向的横截面优选的为圆形，或者是椭圆形。
所述纹理(3)优选的为球形或其它形状的立体颗粒。
所述纹理(3)优选的为白色或透明色。
所述纹理(3)还可以为浅色，对应的油墨(4)为深色。即做灰度处理后，深色区域的灰度值大于浅色区域。
所述纹理(3)可以为金属材料。适用于一些特别要求的使用场合。
所述纹理(3)还可以为高分子材料，所述高分子材料表面镀有金属膜层。
所述密集排列为纹理排列面积密度大于50％。
所述纹理分布层(2)中混入有胶料。
所述胶料的溶剂为挥发性溶剂。
所述相邻纹理(3)顶端之间空隙平均间隔优选为20um～1000um尺寸范围。
所述纹理(3)之间优选的具有颜色区别或所述纹理分布层包括不同颜色的色块分布。
所述油墨(4)包括至少两层不同颜色的油墨。进一步的，还包括编码。
所述编码每张防伪标识均不相同。
进一步的，所述纹理优选为纤维，纤维横截面为多色。横截面为多色更能在放大观察的时候观察体现纹理的立体效果，对于想利用模压、雕刻方式的造假行为有更好的防范。
优选的，纤维横截面为多色，沿纤维长度方向扭曲延伸。该纹理结构更能在放大观察的时候观察体现纹理的立体效果，对于想利用模压、雕刻方式的造假行为有更好的防范。
优选的，单股纤维横截面为多根纤维，多根纤维合股沿纤维长度方向扭曲延伸。该纹理 结构更能在放大观察的时候观察体现纹理的立体效果，对于想利用模压、雕刻方式的造假行为有更好的防范。
一种防伪系统，含有上述防伪标识，其特征在于，所述防伪标识上纹理(3)顶端油墨(4)至少部分的分布图案或/和所述分布图案的特征值存储在计算机数据库中，以备识别者查询核对。
优选的所述防伪标识上还印设有编码或所述防伪标识旁还印设有编码。
所述编码可以是多标一码。
一种随机纹理的防伪方法，包括以下步骤：
步骤1：选择具有立体形状的纹理(3)；
步骤2：将纹理(3)密集布散到在载体(1)表面上，且相邻纹理的顶端之间具有空隙；
步骤:3：去掉未直接粘附在载体表面上的纹理(3)；
步骤4：在纹理(3)的顶端印设油墨(4)所述油墨为使得从上方各个角度观察所述纹理时均至少可见到顶端上的部分油墨；
步骤5：将防伪标识上的油墨(4)的分布图案和/或所述分布图案的特征值存入计算机数据库中，以供识别者调取核对。
优选的，每次所述布散均为随机布散。
一种随机纹理的防伪方法，包括以下步骤：
步骤1：选择具有立体形状的纹理(3)；
步骤2：将纹理(3)混入胶料中形成混合料，所述纹理密集排列且相邻纹理的顶端之间
具有空隙；
步骤3：将混合料涂布在载体材料表面，使胶料由流动变成固化，胶料的固化过程存在收缩，使其胶料中的纹理(3)能从胶料表面凸起；
步骤4：在纹理(3)的顶端印设油墨(4)所述油墨为使得从上方各个角度观察所述纹理时均至少可见到顶端上的部分油墨；
步骤5：将防伪标识上的油墨(4)的分布图案和/或所述分布图案的特征值存入计算机数据库中，以供识别者调取核对。
优选的，在步骤3胶料固化前还包括一个抹平步骤，抹平的目的是使纹理之间不会出现重叠。所述抹平可以包括滚平，压平等多种工艺方式，只要是纹理之间不出现重叠即可。
优选的，所述胶料为挥发性胶料，挥发后胶料的体积会变小，胶料收缩率大于30％。
优选的，每次涂布均为随机涂布。
随机所实现的结构是每张防伪标识上纤维的分布图案都不相同。
进一步的在所述纹理防伪标识上可印设编码。
本发明的效果是明显的，首先，本发明的纹理分布为密集排列，通过随机密集排列可以极大的提高造假者的摆放成本；第二，这种纹理分布在密集排列的同时，又可以通过使纹理顶端之间具有一定的空隙，来达到不密集重叠的效果，并在纹理顶端印刷有油墨图案，使得纹理形成的具有空隙的图像具有较强的可识别性，可以与计算机图像实现自动对比的支持。特别适用于人眼和拍摄设备、特别是适用于手机的拍摄进而识别，既能方便使用、又能增加造假者的造价成本，具有非常好的发展前景。
载体和随机纹理分布层之间具有粘胶层，保证纹理分布的稳定，从而保证其与计算机数据库存储的信息保持一致。
纹理为长条状、进一步的横截面为圆或椭圆形，或纹理为球形，可使得间隙足够大同时顶端的油墨形成的图案具有较佳的分辨度。
为了更好的实现增大伪造成本的效果，所述密集排列优选的纹理排列面积密度优选的要大于50％。
为了保证纹理之间的不密集重叠，实现手机甚至人眼的识别，所述相邻纹理顶端之间空隙平均间隔优选的处于20um～1000um的尺寸范围。
纹理选取为纤维，更进一步的采用多色扭曲延伸，可以在放大识别纹理立体结构的时候，视觉感觉更明显；且纤维的视觉特征可以和相应的油墨结合起来形成共同的纹理图案。
附图说明
图1为具有密集排列的纹理的不带有粘胶层的防伪标识截面的示意图。
图2为具有密集排列的纹理的带有粘胶层的防伪标识截面的示意图。
图3为具有密集排列的纹理的防伪标识的俯视图。
图4为带有编码的防伪标识的俯视图。
图5为扭曲延伸的双色纤维纹理的截面示意图。
图6为扭曲延伸的双色纤维纹理的立体示意图。
图7为四色纤维纹理的截面示意图。
图8为顶端印有两层油墨的纹理的俯视图。
具体实施方式
实施例1：
如图1防伪标识密集排列截面示意图及图3防伪标识密集排列平面示意图所示，包含载体1和载体1上的随机纹理分布层2，纹理分布层2中的纹理3为长条圆柱形状，材料为高分子PET，长度为350～450um，直径为200um，纹理排列面积密度大于50％，纹理3的顶端还印涂有油墨4，印刷墨层的厚度小于10um。相邻纹理(3)顶端之间空隙平均间隔优选为20um～200um尺寸范围。
一些特殊场合可以选择金属材料，例如铝丝、不锈钢丝等，可以应对耐磨或温度具有特殊要求的场合。根据识别工具的不同，空隙也可增大到2000um的尺寸范围。
实施例2：
本实施例与实施例1的区别在于，所述纹理3为纤维，且横截面为双色，进一步的还可以是两股纤维扭曲延伸，如图5和图6所示。
更进一步的，还可以是更多色纤维，如图7所示为四股纤维。
实施例3：
本实施例与实施例1的区别在于，所述纹理3顶端涂有两次不同颜色的油墨，如图8所示。
实施例4：
本实施例为在实施例1或其它实施例所述的防伪标识上印设二维码，如图4所示，所述二维码与防伪标识一一对应，将二维码结合油墨4形成的图案或图案特征一起存入计算机数据库。
实施例5：
一种防伪标识的防伪方法，包括以下步骤：
步骤1：选择实施例1所述的长条状纹理，也可以是其它实施例的纹理；
步骤2：将纹理随机密集布散在载体表面的粘胶层5(如图2所示)上；
步骤3：去掉未直接粘附在粘胶层5上的纹理，为了保证长条形纹理的朝向，即长条方向与载体表面平行，还可以选择采用压刮等工艺；
步骤4：在纹理分布层印刷油墨，由于印版是平面的，以及圆柱长条本身的立体结构，仅会在顶端印设上油墨层4。
步骤5：将防伪标识上的油墨(4)的分布图案和/或所述分布图案的特征值存入计算机数据库中，以供识别者调取核对。
实施例6：
另一种防伪标识的防伪方法，包括以下步骤：
步骤1：选择实施例1所述的长条状纹理，也可以是其它实施例的纹理；
步骤2：将纹理密集的混入胶料中形成混合料，胶料选用乙酸乙酯溶解的高温发粘热熔胶，发粘温度大于90℃；
步骤3：将混合料随机涂布在载体材料表面，使胶料由流动变成固化，由于溶剂乙酸乙酯的挥发，热熔胶溶液固化后体积会收缩70％以上。还可以在固化前增加抹平动作，使纹理之间不会出现重叠；
步骤4：在纹理3的顶端印设油墨4，或许会印在顶端的一层薄的热熔胶层上，但放大视觉观察，人眼依然看到油墨层附着在纹理的顶端，能代表纹理的分布位置和朝向。
步骤5：将防伪标识上的油墨(4)的分布图案和/或所述分布图案的特征值存入计算机数据库中，以供识别者调取核对。

Claims (30)

  1. 一种防伪标识，包含载体(1)和载体(1)上的随机纹理分布层(2)，所述纹理分布层(2)中的纹理(3)为立体形状，其特征在于，所述纹理(3)的顶端还印涂有油墨(4)，所述纹理密集排列且相邻纹理的顶端之间具有空隙，所述空隙使得放大条件下所述纹理(3)立体形状的至少部分侧部可被看到；所述油墨为使得从上方各个角度观察所述纹理时均至少可见到顶端上的部分油墨。
  2. 根据权利要求1所述的防伪标识，其特征在于，所述载体(1)和随机纹理分布层(2)之间还有粘胶层(5)。
  3. 根据权利要求1所述的防伪标识，其特征在于，所述纹理(3)为长条状，长条的长度与宽度之比大于1.5。
  4. 根据权利要求3所述的防伪标识，其特征在于，长条状的所述纹理沿长度方向的横截面为圆形，或者是椭圆形。
  5. 根据权利要求1所述的防伪标识，其特征在于，所述纹理(3)为球形或其它形状的立体颗粒。
  6. 根据权利要求1所述的防伪标识，其特征在于，所述纹理(3)为白色或透明色。
  7. 根据权利要求1所述的防伪标识，其特征在于，所述纹理(3)为浅色，油墨(4)为深色。
  8. 根据权利要求1所述的防伪标识，其特征在于，所述纹理(3)为金属材料。
  9. 根据权利要求1所述的防伪标识，其特征在于，所述纹理(3)为高分子材料，所述高分子材料表面镀有金属膜层。
  10. 根据权利要求1所述的防伪标识，其特征在于，所述密集排列为纹理排列面积密度大于50％。
  11. 根据权利要求1所述的防伪标识，其特征在于，所述纹理分布层(2)中混入有胶料。
  12. 根据权利要求11所述的防伪标识，其特征在于，所述胶料的溶剂为挥发性溶剂。
  13. 根据权利要求1所述的防伪标识，其特征在于，所述相邻纹理(3)顶端之间空隙平均间隔为20um～1000um尺寸范围。
  14. 根据权利要求1所述的防伪标识，其特征在于，所述纹理(3)之间具有颜色区别或所述纹理分布层包括不同颜色的色块分布。
  15. 根据权利要求1所述的防伪标识，其特征在于，所述油墨(4)包括至少两层不同颜色的油墨。
  16. 根据权利要求1所述的防伪标识，其特征在于，还包括编码。
  17. 根据权利要求16所述的防伪标识，其特征在于，所述编码每张防伪标识均不相同。
  18. 根据权利要求1所述的防伪标识，其特征在于，所述纹理(3)为纤维，所述纤维横截面为多色。
  19. 根据权利要求1所述的防伪标识，其特征在于，所述纹理(3)为纤维，纤维横截面为多色扭曲延伸。
  20. 根据权利要求1所述的防伪标识，其特征在于，所述纹理(3)为纤维，单股纤维横截面为多根纤维合并后扭曲延伸。
  21. 一种防伪系统，含有上述权利要求1～20所述的防伪标识，其特征在于，所述防伪标识上纹理(3)顶端油墨(4)至少部分的分布图案或/和所述分布图案的特征值存储在计算机数据库中，以备识别者查询核对。
  22. 根据权利要求21所述的防伪系统，其特征在于，所述防伪标识上或防伪标识旁还印设有编码。
  23. 根据权利要求22所述的防伪系统，其特征在于，所述编码为多标一码。
  24. 一种随机纹理的防伪方法，包括以下步骤：
    步骤1：选择具有立体形状的纹理(3)；
    步骤2：将纹理(3)密集布散到在载体(1)表面上，且相邻纹理的顶端之间具有空隙；
    步骤:3：去掉未直接粘附在载体表面上的纹理(3)；
    步骤4：在纹理(3)的顶端印设油墨(4)所述油墨为使得从上方各个角度观察所述纹理时均至少可见到顶端上的部分油墨；
    步骤5：将防伪标识上的油墨(4)的分布图案和/或所述分布图案的特征值存入计算机数据库中，以供识别者调取核对。
  25. 根据权利要求24所述的一种随机纹理的防伪方法，其特征在于，每次所述布散均为随机步散。
  26. 一种随机纹理的防伪方法，包括以下步骤：
    步骤1：选择具有立体形状的纹理(3)；
    步骤2：将纹理(3)混入胶料中形成混合料，所述纹理密集排列且相邻纹理的顶端之间具有空隙；
    步骤3：将混合料涂布在载体材料表面，使胶料由流动变成固化，胶料的固化过程存在收缩，使其胶料中的纹理(3)能从胶料表面凸起；
    步骤4：在纹理(3)的顶端印设油墨(4)所述油墨为使得从上方各个角度观察所述纹理时均至少可见到顶端上的部分油墨；
    步骤5：将防伪标识上的油墨(4)的分布图案和/或所述分布图案的特征值存入计算机数据库中，以供识别者调取核对。
  27. 根据权利要求26所述的一种随机纹理的防伪方法，其特征在于，在步骤3胶料固化前进行抹平，使纹理之间不会出现重叠。
  28. 根据权利要求26所述的一种随机纹理的防伪方法，其特征在于，所述胶料为挥发性胶料，挥发后胶料的体积会变小，挥发后胶料收缩率大于30％。
  29. 根据权利要求26-28任一项所述的一种随机纹理的防伪方法，其特征在于，每次涂布均为随机涂布。
  30. 根据权利要求24-28任一项所述的一种随机纹理的防伪方法，其特征在于，在所述纹理防伪标识上印设编码。
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