CN101434176B - Optical anti-counterfeiting element and product with the same - Google Patents

Optical anti-counterfeiting element and product with the same Download PDF

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CN101434176B
CN101434176B CN 200810186575 CN200810186575A CN101434176B CN 101434176 B CN101434176 B CN 101434176B CN 200810186575 CN200810186575 CN 200810186575 CN 200810186575 A CN200810186575 A CN 200810186575A CN 101434176 B CN101434176 B CN 101434176B
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array
security element
diffraction
element according
microlens array
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CN 200810186575
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CN101434176A (en
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刘晖
张静方
朱军
王晓利
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中国印钞造币总公司
中钞特种防伪科技有限公司
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Abstract

The invention provides an optical anti-counterfeiting element, which comprises a base layer, a plane diffraction type lenticule array which is positioned on a first surface of the base layer and at least partially covers the first surface of the base layer, as well as a micro-pattern array which is positioned on a second surface of the base layer and is corresponding to the plane diffraction lensarray. The element reproduces a magnified image of the micro-pattern array through the imaging function of the plane diffraction type lenticule array, and has a certain depth of field and dynamic effect. The element is especially applicable to window-safety lines in banknotes, and can also be used for preventing counterfeits of banknotes, credit cards, passports, negotiable securities and varioustypes of high-safety products and high value-added products.

Description

光学防伪元件及带有该光学防伪元件的产品 Optical security element and the optical security element with the product of

技术领域 FIELD

[0001] 本发明涉及适用于钞票、信用卡、护照、有价证券等各类高安全产品以及高附加值产品的一种光学防伪元件,并且涉及带有该防伪元件的产品,具体地说,涉及一种带有平面衍射型微透镜阵列及缩微图案阵列的光学防伪元件。 [0001] The present invention relates to a suitable banknotes, credit cards, passports, securities, and other high-security products and an optical security element is a high value-added products, and to a product with the security element, in particular, relates to optical security element for a flat diffraction-type microlens array and micro-pattern array. 本发明进一步涉及带有该光学防伪元件的产品,例如用该光学防伪元件作为开窗安全线的钞票或防伪纸。 The present invention further relates to a product with the optical security element, for example the optical security element as a windowed security thread of a banknote or security paper.

背景技术 Background technique

[0002] 为了防止伪造,钞票、信用卡、护照及有价证券等高安全产品以及高附加值产品中广泛采用了光学防伪技术,并且取得了非常好的效果。 [0002] In order to prevent counterfeiting, money, credit cards, passports and securities of high security products and high value-added products widely used in optical anti-counterfeiting technology, and achieved very good results.

[0003] 美国专利5712731、中国专利申请03123580. 8、中国专利申请200480040733. 2 (其对应于2008年2月19日授权的美国专利7333268)、美国专利申请20070273143、美国专利申请20080036196公开了同一类在两个表面上分别带有球面或者非球面微透镜阵列和微图形阵列的安全元件,通过微透镜阵列的成像作用产生一个放大的、具有一定景深的动感图形。 [0003] US Pat. No. 5,712,731, Chinese Patent Application No. 03123580.8, Chinese patent application 200480040733.2 (which corresponds to February 19, 2008 issued US patent 7,333,268), US patent application 20070273143, US patent application 20080036196 discloses the same class on both surfaces of the security element, each with a spherical or aspherical microlens arrays and micro-array pattern, producing an amplified effect by the imaging microlens array, having a certain depth dynamic pattern. 这种球面或非球面微透镜是折射型的微透镜,即阵列中的每一个微透镜都是具有凸起或凹陷的连续曲面的表面形状,并且是利用几何光学中折射原理成像的。 This spherical or aspherical microlenses are refractive microlenses, i.e., each of the array is a microlens shape having a convex or concave surface of the continuous curved surface, and using the geometrical optics refraction imaging.

[0004] 中国专利申请200510086954. X公开了一种缩微文字阵列防伪标识及其制作方法。 [0004] Chinese Patent Application No. 200510086954. X discloses a security identification microtext array and manufacturing method thereof.

[0005] 中国专利申请200510086953. 5公开了一种缩微文字平板放大镜,即与缩微文字阵列的周期相匹配的菲涅尔透镜阵列。 [0005] Chinese Patent Application No. 200510086953.5 discloses a microtext magnifying glass plate, i.e. the periodic array of Fresnel lens arrays microtext match.

发明内容 SUMMARY

[0006] 本发明提供了一种与现有产品结构不同的防伪元件以及带有该光学防伪元件的 [0006] The present invention provides a structure different from the conventional product and the security element having the optical security element

女口 Female mouth

广叩o Wide call-o

[0007] 根据本发明的一个方面,提供了一种光学防伪兀件,所述光学防伪兀件包括:基层,所述基层具有第一表面以及与所述第一表面相对的第二表面;位于所述第一表面上且至少部分覆盖所述第一表面的平面衍射型微透镜阵列;以及位于所述第二表面上的微缩图案阵列。 [0007] In accordance with one aspect of the present invention, there is provided an optical security element Wu, Wu said optical security device comprising: a base layer having a first surface and a second surface opposite the first surface; a the upper surface of the first plane and at least partially covering the diffraction-type microlens array of the first surface; and a miniature of said pattern array on the second surface. 通过平面衍射型微透镜阵列的成像作用再现缩微图案阵列的放大图像,并且具有一定的景深和动态效果。 Enlarged image microfilm reproduction pattern array by the imaging plane of action of the diffraction-type microlens array, and having a certain depth and dynamic effects.

[0008] 所述平面衍射型微透镜阵列的焦距为5微米至100微米,优选为10微米至30微米,周期一般为5微米至100微米,优选为10微米至30微米,所述微图案阵列4的周期与之相匹配,根据再现效果的要求,可以等于、略大于或者略小于所述菲涅尔微透镜阵列的周期。 [0008] The focal plane diffraction-type microlens array of 5 microns to 100 microns, preferably 10 microns to 30 microns, cycle is generally 5 to 100 microns, preferably 10 microns to 30 microns, said micro-pattern array 4 to match the cycle, the effect according to the requirements of the reproduction, it may be equal to, slightly greater than or slightly less than the period of the Fresnel microlens array.

[0009] 所述平面衍射型微透镜阵列的槽深小于2微米,优选为0. I微米至I微米,可以应用制作全息产品的模压工艺在所述基层的第一表面上模压形成。 [0009] The groove plane diffraction-type microlens array depth is less than 2 microns, preferably 0. I to I m m, may be applied making holograms molded product molding process is formed on the first surface of the base layer.

[0010] 所述平面衍射透镜阵列既可以是透射成像,也可以是反射成像。 [0010] The planar diffractive lens array may be a transmission imaging, the imaging may be reflective. 在利用平面衍射透镜的反射成像作用时,通常需要增加金属或介质反射层以提高再现效果。 When using reflectance imaging plane of action of the diffractive lens, generally it requires increasing the metal or dielectric reflective layer to improve reproduction. [0011 ] 在一个具体实施方案中,所述平面衍射型微透镜阵列采用的是标准菲涅尔衍射微透镜阵列。 [0011] In one particular embodiment, the planar diffraction-type microlens array using the standard Fresnel diffractive microlens array.

[0012] 在一个优选实施方案中,所述平面衍射型微透镜阵列采用的是阶梯型菲涅尔衍射微透镜阵列。 [0012] In a preferred embodiment, the planar diffraction-type microlens array is used in a stepped Fresnel diffractive microlens array.

[0013] 在另一优选实施方案中,所述平面衍射型微透镜阵列采用的是二元位相型菲涅尔波带片阵列。 [0013] In another preferred embodiment, the planar diffraction-type microlens array uses binary phase type Fresnel zone plate array.

[0014] 在再一优选实施方案中,所述平面衍射型微透镜阵列采用的是振幅型菲涅尔波带片阵列。 [0014] In a further preferred embodiment, the planar diffraction-type microlens array used is an amplitude type Fresnel zone plate array.

[0015] 在又一优选实施方案中,所述平面衍射型微透镜阵列采用的是亚波长二元微透镜阵列阵列。 [0015] In a further preferred embodiment, the planar diffraction-type microlens array is used in a microlens array subwavelength two yuan array.

[0016] 在其它优选实施方案中,所述光学防伪元件可以进一步带有衍射光变图案、干涉光变图案、印刷图案、部分金属化图案、荧光图案等,以及用于机读的磁性介质层中的至少一种。 [0016] In other preferred embodiments, the optical security element may further have a diffractive optically variable pattern, optically variable interference pattern, printed pattern, part of the metal pattern, like a fluorescent pattern, and a machine-readable magnetic media layer at least one.

[0017] 本发明特别适合制作成开窗安全线。 [0017] The present invention is particularly suitable for making into a windowed security thread. 所述安全线的厚度不大于40微米。 The thickness of the security thread is no greater than 40 microns. 带有所述开窗安全线的防伪纸用于钞票、护照、有价证券等各类高安全产品的防伪。 The security paper with a windowed security thread security for banknotes, passports, securities, and other high-security products.

[0018] 本发明也可用作标签、标识、宽条、透明窗口等,可以通过各种粘结机理粘附在各种物品上。 [0018] The present invention may also be used as a label, logo, wide strips, transparent window and the like, may be adhered to various articles by a variety of bonding mechanisms. 例如转移到钞票、信用卡等高安全产品和高附加值产品上。 For example, transferred to the bill, credit card security products and high value-added products.

[0019] 本发明另一方面提供了带有所述光学防伪元件的产品,所述产品包括但不限于钞票、信用卡、护照、有价证券等各类高安全产品及高附加值产品,以及各类包装纸、包装盒 [0019] In another aspect the present invention provides a product having the optical security element, said product including but not limited to banknotes, credit cards, passports, securities, and other high-security products and high value-added products, as well as class wrapping paper, packaging

坐寸o O sit inch

附图说明 BRIEF DESCRIPTION

[0020] 图Ia为本发明的第一优选方案示意图; [0020] A first preferred embodiment of the present invention, a schematic diagram of FIG. Ia;

[0021] 图lb、图Ic示出了菲涅尔微透镜阵列和缩微图案阵列的一种排列方式; [0021] FIG lb, Fig Ic shows an arrangement of a microlens array and a Fresnel pattern array of the microfilm;

[0022] 图IcU图Ie示出了菲涅尔微透镜阵列和缩微图案阵列的另一种排列方式; [0022] FIG IcU FIG Ie illustrates a further arrangement of a microlens array and a Fresnel pattern array of the microfilm;

[0023] 图2为本发明的第二优选方案示意图; [0023] The second preferred embodiment of the present invention FIG. 2 is a schematic diagram;

[0024] 图3为本发明的第三优选方案示意图; [0024] The third preferred embodiment of the present invention, FIG. 3 is a schematic diagram;

[0025] 图4a为本发明的第四优选方案示意图; [0025] Figure 4a fourth preferred embodiment of the present invention; and FIG.

[0026] 图4b示出了一种振幅型菲涅尔波带片阵列; [0026] Figure 4b shows an amplitude type Fresnel zone plate array;

[0027] 图5为本发明的第五优选方案示意图。 Fifth preferred embodiment [0027] FIG. 5 is a schematic view of the present disclosure.

具体实施方式 Detailed ways

[0028] 为了更好地理解本发明,将参考附图对本发明的各个方面做出更详细的说明。 [0028] For a better understanding of the present invention, with reference to the accompanying drawings will make a more detailed description of the various aspects of the invention. 可以理解,所述附图和详细说明只是对本发明优选实施方案的描述,而非以任何方式限制本发明的范围。 It will be appreciated that the drawings and described only the preferred embodiments of the present invention, not to limit the scope of the invention in any manner described in detail.

[0029] 图Ia显示的是本发明第一优选实施方案的截面示意图。 [0029] Fig Ia shows a schematic sectional view of the first preferred embodiment of the present invention. 光学防伪元件I包括基层2、位于基层2的第一表面上且至少部分覆盖基层2的第一表面的菲涅尔衍射微透镜阵列3、以及位于基层2的第二表面与菲涅尔微透镜阵列3相对应的缩微图案阵列4。 I optical security element comprises a base layer 2, positioned on the first surface of the base 2 and at least partially covering the Fresnel diffractive microlens array surface of the substrate 2 of the first 3, and a second surface of the substrate and the Fresnel microlenses 2 3 corresponding to the array pattern array 4 microfilm. 图Ib和图Ic是菲涅尔衍射微透镜阵列3和与之相对应的缩微图案阵列4的一种排列方式,图Id和图Ie是另一种排列方式。 FIG. Ib and Ic are diffractive micro Fresnel lens array 3 and the microfilm corresponding thereto an arrangement pattern array of Embodiment 4, and FIG. Id Ie another arrangement. 菲涅尔衍射微透镜阵列3和与之相对应的缩微图案阵列4的排列方式可以根据产品的要求任意设定。 Fresnel diffractive microlens array 3 corresponding thereto and microfilm pattern array arrangement 4 can be arbitrarily set according to the requirements of the product.

[0030] 菲涅尔衍射微透镜阵列3的焦距为5微米至100微米,且优选为10微米至30微米,周期一般为5微米至100微米且优选为10微米至40微米,缩微图案阵列4的周期与菲涅尔衍射微透镜阵列3相匹配,根据再现效果的要求,缩微图案阵列4的周期可以等于、略大于或者略小于菲涅尔衍射微透镜阵列3的周期。 Focal length [0030] of Fresnel diffractive microlens array 3 from 5 micrometers to 100 micrometers, and preferably 10 to 30 micrometers, cycle is generally 5 to 100 microns and preferably 10 to 40 microns, micro pattern array 4 Periodic diffractive micro Fresnel lens array 3 match, reproducing the effect according to the requirements, microfiche cycle pattern array 4 may be equal to, slightly greater than or slightly less than the period of the diffraction Fresnel microlens array 3. 当透过菲涅尔衍射微透镜阵列3观察时,可以看到放大的、有一定景深的动感图像。 When viewed through the Fresnel diffractive microlens array 3, can be seen magnified, dynamic image has a certain depth of field. 再现效果与菲涅尔衍射微透镜阵列3和缩微图案阵列4的参数之间的关系可参阅中国专利申请200480040733. 2中的详细论述。 The relationship between the parameter reproducing effect Fresnel diffractive microlens array 3 and 4 microfilm pattern array can be found in Chinese Patent Application No. 200480040733.2 in detail below.

[0031 ] 菲涅尔衍射微透镜阵列3的槽深小于2微米,优选为0. I微米至I微米,该槽可以应用制作全息产品的模压工艺在基层2的第一表面上模压形成。 [0031] Fresnel diffractive microlens array 3 of the groove depth is less than 2 microns, preferably 0. I m to I m, the groove may be applied making molded product molding process hologram is formed on the first surface of the base layer 2.

[0032] 缩微图案阵列4可以通过全息模压、印刷、压印、激光刻蚀、部分金属化等方式形成。 [0032] Microfilm pattern array 4 may be formed by holographic embossing, printing, embossing, laser etching, etc. partially metallized.

[0033] 基层2可以是一层单一的透明介质薄膜,例如PET膜、PVC膜等,也可以是表面带有功能涂层(比如压印层)的透明介质薄膜,还可以是经过复合而成的多层膜。 [0033] The base layer 2 may be a single layer of a transparent dielectric film such as PET film, PVC film, a dielectric film may be a transparent surface with a functional coating (such as imprinting layer), or may be compounded after the multilayer film.

[0034] 制作防伪元件I的一种方法是在基层2的第一和第二表面同时或者顺次形成菲涅尔微透镜阵列3和缩微图案阵列4。 [0034] A method of making the security element I is formed simultaneously or sequentially Fresnel microlens array 3 and 4 microfilm pattern array and the second surface of the first base layer 2. 应当理解,当采用该方法制作防伪元件I时,基层2本身可以是一层单一的透明介质薄膜,也可以是多层膜。 It should be appreciated that, when using the method for producing the security element I, the base layer 2 itself may be a single layer of a transparent dielectric thin film may be a multilayer film.

[0035] 制作防伪元件I的另一种方法是在不同的薄膜上分别制作菲涅尔衍射微透镜阵列3和缩微图案阵列4,再经过本领域中公知的复合工艺将二者复合在一起。 [0035] Another method of making the security element is I were produced Fresnel diffractive microlens array 3 and 4 microfilm pattern array on a different film, through well known in the art of composite together two composite technology. 两层膜复合时,带有菲涅尔衍射微透镜阵列3的薄膜和带有缩微图案阵列4的薄膜可以是背对背地复合,即菲涅尔衍射微透镜阵列3和缩微图案阵列4之间的距离为两层膜的厚度加上复合胶的厚度;也可以是带有菲涅尔衍射微透镜阵列3的薄膜和带有缩微图案阵列4的薄膜面向同一方向复合,即菲涅尔衍射微透镜阵列3和缩微图案阵列4之间的距离为其中一层膜的厚度加上复合胶的厚度。 When the two-layer film composite, with a Fresnel diffractive microlens array film 3 and the film 4 with a microfilm pattern array back to back may be a composite, i.e. a Fresnel diffractive microlens array 3 and 4 between the pattern array microfilm distance is the thickness of the two films together with lamination adhesive thickness; may be a microlens array with a diffractive Fresnel film 3 and the film 4 with a microfilm pattern array composite facing the same direction, i.e., a Fresnel diffractive microlens the distance between the array 3 and 4 microfilm pattern array in which a film thickness plus the thickness of the lamination adhesive.

[0036]图2显示的是本发明的第二优选实施方案,其中用阶梯型菲涅尔衍射微透镜5代替了第一优选方案中的标准菲涅尔衍射微透镜3。 [0036] FIG. 2 shows a second preferred embodiment of the present invention, wherein a stepped Fresnel diffractive microlens 5 of the first preferred embodiment in place of the standard Fresnel diffractive microlens 3. 现代制版工艺制作阶梯型的菲涅尔衍射微透镜5比制作标准菲涅尔衍射微透镜3更加容易,而生产复制过程是相同的,即模压生产工艺。 Fresnel diffractive microlens 5 modern production process step type plate 3 easier than creating a standard Fresnel diffractive microlens, produced replication process is the same, i.e., molding production process. 阶数越高,阶梯型菲涅尔衍射微透镜5与标准菲涅尔衍射微透镜3的性能越接近,可以根据实际要求确定阶数。 The higher the order, the stepped Fresnel diffractive microlens 5 and performance criteria Fresnel diffractive microlens 3 is closer to, order may be determined according to actual requirements.

[0037] 图3显示的是本发明的第三优选实施方案,其中用二元位相型菲涅尔波带片6代替了第一优选方案中的标准菲涅尔微透镜3。 [0037] FIG. 3 shows a third preferred embodiment of the present invention, wherein a binary phase type Fresnel zone plate 6 instead of the first preferred embodiment of a standard Fresnel microlens 3. 二元位相型菲涅尔波带片6是最简单的二阶阶梯型的菲涅尔衍射透镜5。 Binary phase type Fresnel zone plate 6 is the simple second-order diffraction stepped Fresnel lens 5. 在许多场合下,二阶阶梯型的菲涅尔衍射透镜的成像质量也是满足要求的。 In many cases, the second order stepped Fresnel diffraction lens imaging quality requirements are satisfied.

[0038] 图4a显示的是本发明的第四优选实施方案,其中利用振幅型菲涅尔波带片阵列7作为成像元件。 [0038] Figure 4a shows the fourth preferred embodiment of the invention, wherein the use of an amplitude type Fresnel zone plate array 7 as an imaging element. 图4b是振幅型菲涅尔波带片阵列7的示意图,当然,菲涅尔波带片阵列7的排列形式可以是蜂窝状(图Id)或者其他任何形式。 4b is a schematic diagram of an amplitude type Fresnel zone plate array 7, of course, arranged in an array form of a Fresnel zone plate 7 may be a honeycomb (FIG. Id), or any other form. 菲涅尔波带片阵列7可以通过印刷、喷墨、部分金属化等方式形成。 Fresnel zone plate array 7 may be formed by printing, ink jet, etc. partially metallized.

[0039] 图5显示的是本发明的第五优选实施方案,其利用亚波长二元微透镜阵列8作为成像元件。 [0039] FIG. 5 shows a fifth preferred embodiment of the present invention, which utilizes two yuan subwavelength microlens array 8 as the imaging element. 亚波长二元微透镜8也是一种平面衍射微透镜,具有亚波长尺度的特征槽形宽度。 Subwavelength two yuan microlens 8 is a planar diffractive microlens, wherein the width of the groove having a subwavelength scale.

[0040] 上述实施方案,都是利用平面衍射透镜阵列的透射成像作用再现微图形阵列的放大、动态图像,即观察时,缩微图案阵列所在的平面在远离人眼的位置,平面衍射透镜阵列所在的平面在人眼和缩微图案阵列中间。 [0040] The above-described embodiments, the imaging plane of action is a transmission diffractive lens array reproduction magnification micro-array pattern, moving picture, i.e. when viewed planar microfilm pattern array located remotely from the human eye, diffractive lens array plane is located the human eye and the plane of the intermediate pattern array microfilm. 事实上,平面衍射透镜阵列同时还具有反射成像作用,利用平面衍射透镜的反射成像作用同样可以再现缩微图案阵列的放大、动态图像,即观察时,平面衍射透镜阵列所在的平面在远离人眼的位置,缩微图案阵列所在的平面在人眼和平面衍射透镜阵列中间。 In fact, the planar diffractive lens array also has a role in reflectance imaging using reflectance imaging plane diffraction lens effect can also enlarge microfilm reproduction pattern array, the moving picture, i.e. when viewed diffractive lens array plane is located away from the human eye plane position, where the pattern array microfilm human eye and intermediate planar diffractive lens array. 在利用平面衍射透镜的反射成像作用时,通常需要增加金属或介质反射层以提高再现效果。 When using reflectance imaging plane of action of the diffractive lens, generally it requires increasing the metal or dielectric reflective layer to improve reproduction.

[0041] 在上述实施方案中,为了保护平面衍射透镜阵列的槽型,增加防伪元件I的使用寿命,可以在平面衍射透镜阵列表面蒸镀或涂布折射率与平面衍射透镜阵列相匹配的一层或多层透明介质膜。 [0041] In the above embodiment, in order to protect slotted planar diffractive lens array, increase the service life of the security element I, can be matched in a planar array of diffractive lens or coating deposited on the surface with a refractive index of a planar array of diffractive lens a transparent dielectric film layer or layers.

[0042] 在以上所有的实施方案中,所述防伪元件的基层的第一和/或第二表面进一步可以带有衍射光变图案、干涉光变图案、印刷图案、部分金属化图案、荧光图案等。 [0042] In all the above embodiments, the security of the first and / or second surface of the base member may be provided with a further optically variable diffraction pattern, the interference pattern of light redirecting print pattern, part of the metal pattern, the fluorescent pattern Wait.

[0043] 在以上所有的实施方案中,所述防伪元件都可以进一步包含用于机读的磁性介质。 [0043] In all the above embodiments, the security element may further comprise a magnetic medium for machine-readable.

[0044] 本发明特别适合制作成开窗安全线。 [0044] The present invention is particularly suitable for making into a windowed security thread. 安全线的厚度不大于40微米,将安全线片段地嵌入纸中,并片段地暴露在纸面上,从而形成带有开窗安全线的防伪纸,用于钞票、护照、有价证券等各类高安全产品的防伪。 The thickness of the security thread is no greater than 40 microns, a security thread embedded in the paper clips, the clips and exposed in the paper to form a security paper with a windowed security thread for bank notes, passports, and other securities high-class anti-counterfeiting security products.

[0045] 本发明也可用作标签、标识、宽条、透明窗口等,可以通过各种粘结机理粘附在各种物品上,例如转移到钞票、信用卡等高安全产品和高附加值产品上。 [0045] The present invention may also be used as a label, logo, wide strips, transparent window and the like, may be adhered to various articles by a variety of bonding mechanisms, such as a transfer to a bank note, a credit card security products and high value-added products on.

[0046] 带有本发明的光学防伪元件的产品,包括但不限于钞票、信用卡、护照、有价证券等各类闻安全广品及闻附加值广品,以及各类包装纸、包装盒等。 [0046] Optical security element according to the present invention with, including but not limited to banknotes, credit cards, passports, securities, and other products widely smell and smell security wide value products, and a variety of wrapping, packaging, etc. .

[0047] 以上示例性地描述了本发明的某些优选实施方案。 [0047] The above exemplary embodiments described certain preferred embodiment of the present invention. 而本领域所属技术人员可以理解,在不偏离本发明构思和精神的前提下可以对其作出各种等同变换或修饰。 Those skilled in the art will be appreciated, can make various modifications or equivalent conversion without departing from the spirit and spirit of the invention. 而如此得到的技术方案也应属于本发明的范围。 And the thus obtained technical solutions should belong to the scope of the present invention.

Claims (21)

1. ー种光学防伪元件,包括: 基层,所述基层具有第一表面以及与所述第一表面相対的第二表面; 位于所述第一表面上且至少部分覆盖所述第一表面的平面衍射型微透镜阵列;以及位于所述第二表面上的微缩图案阵列; 其中所述平面衍射型微透镜阵列的周期与所述微缩图案阵列的周期是相匹配的; 其中,所述光学防伪元件适合用于厚度不大于40微米的安全线; 其中,所述平面衍射型微透镜阵列的槽深小于2微米,能够应用制作全息产品的模压エ艺在所述基层的第一表面上模压形成,并且在所述平面衍射型微透镜阵列表面涂布折射率与所述平面衍射型微透镜阵列相匹配的ー层或多层透明介质膜。 1. Species ー optical security element, comprising: a base layer having a first surface and a second surface and the first surface of the Dui; located on the first planar surface and covering at least a portion of the first surface diffraction-type microlens array; and a miniature of said pattern array on the second surface; wherein the period of the periodic planar array of the diffraction-type microlens array of the miniature pattern is matched; wherein the optical security element security thread suitable for a thickness no greater than 40 microns; wherein said groove flat diffraction-type microlens array depth is less than 2 microns, can be applied to production of molded products molded Ester arts hologram is formed on a first surface of the base layer, and match ー transparent dielectric film layer or layers in the planar diffraction-type microlens array of a refractive index of the coated surface plane diffraction-type microlens array.
2.根据权利要求I所述的光学防伪元件,其中所述平面衍射型微透镜阵列为透射平面衍射型微透镜阵列。 The optical security element according to claim I, wherein said planar microlens array is a diffraction-type transmission plane diffraction-type microlens array.
3.根据权利要求I所述的光学防伪元件,其中所述平面衍射型微透镜阵列为反射平面衍射型微透镜阵列。 The optical security element according to claim I, wherein said planar diffraction-type microlens array of reflective planar diffraction-type microlens array.
4.根据权利要求3所述的光学防伪元件,其中所述反射平面衍射型微透镜阵列带有金属或介质反射层。 4. The optical security element according to claim 3, wherein said planar reflective diffraction-type microlens array with a metal or dielectric reflective layer.
5.根据权利要求1-4中任一项所述的光学防伪元件,其中所述平面衍射型微透镜阵列为菲涅尔衍射微透镜阵列。 The optical security element according to any one of claims 1-4, wherein said planar diffraction-type microlens array of Fresnel diffractive microlens array.
6.根据权利要求5所述的光学防伪元件,其中所述平面衍射型微透镜阵列为阶梯型菲涅尔衍射微透镜阵列。 The optical security element according to claim 5, wherein said planar diffraction-type microlens array is stepped Fresnel diffractive microlens array.
7.根据权利要求1-4中任一项所述的光学防伪元件,其中所述平面衍射型微透镜阵列为ニ元位相型菲涅尔波带片阵列。 The optical security element according to any one of claims 1-4, wherein said planar array of diffraction-type microlens element Ni phase type Fresnel zone plate array.
8.根据权利要求1-4中任一项所述的光学防伪元件,其中所述平面衍射型微透镜阵列为振幅型菲涅尔波带片阵列。 8. The optical security element according to any one of claims 1-4, wherein said planar microlens array is a diffraction-type amplitude type Fresnel zone plate array.
9.根据权利要求1-4中任一项所述的光学防伪元件,其中所述平面衍射型微透镜阵列为亚波长ニ元微透镜阵列。 9. The optical security element according to any one of claims 1-4, wherein said planar diffraction-type microlens array of subwavelength ni microlens array element.
10.根据权利要求1-4中任一项所述的光学防伪元件,其中所述平面衍射型微透镜阵列的焦距为5微米至100微米。 10. The optical security element according to any one of claims 1-4 claims, wherein said focal plane array of the diffraction-type microlens is 5 microns to 100 microns.
11.根据权利要求10所述的光学防伪元件,其中所述平面衍射型微透镜阵列的焦距为10微米至30微米。 11. The optical security element according to claim 10, wherein said focal plane array of the diffraction-type microlens 10 micrometers to 30 micrometers.
12.根据权利要求I所述的光学防伪元件,其中所述微缩图案阵列通过全息模压、印刷、压印、激光刻蚀或部分金属化的方式形成。 12. The optical security element according to claim I, wherein said array is formed by patterning miniature holographic embossing, printing, embossing, laser etching or partially metallized manner.
13.根据权利要求I所述的光学防伪元件,其中所述基层是ー层単一的透明介质薄膜。 13. The optical security element according to claim I, wherein said base layer is a layer ー radiolabeling a transparent dielectric film.
14.根据权利要求13所述的光学防伪元件,其中所述单ー的透明介质薄膜为PET膜或PVC 膜。 14. The optical security element according to claim 13 wherein said transparent dielectric film is a single ー PET film or PVC film requirements.
15.根据权利要求I所述的光学防伪元件,其中所述基层是经过复合而成的多层膜。 15. The optical security element according to claim I, wherein said base layer is made of a multilayer film through the composite.
16.根据权利要求13-15中任一项所述的光学防伪元件,其中所述基层是在表面带有功能涂层的透明介质薄膜。 16. The optical security element according to any one of claims 13-15, wherein said base layer is a transparent dielectric film having a functional coating on the surface.
17.根据权利要求16所述的光学防伪元件,其中所述功能涂层为压印层。 17. The optical security element according to claim 16, wherein said functional coating layer is embossed.
18.根据权利要求I所述的光学防伪元件,其中所述平面衍射型微透镜阵列上采用蒸镀法替换涂布法来形成有折射率相匹配的ー层或多层透明介质保护膜。 18. The optical security element according to claim I, wherein the use of the diffraction-type microlens array plane alternative method to form a coating with a vapor deposition method ー or more transparent dielectric protective layer film refractive index matched.
19.根据权利要求I所述的光学防伪元件,进ー步带有衍射光变图案、干渉光变图案、印刷图案、部分金属化图案、荧光图案和用于机读的磁性介质层至少之一。 19. The optical security element according to claim I, further with a feed ー diffractive optically variable pattern of light redirecting Interference check pattern, at least one printed pattern, part of the metal pattern, a phosphor pattern and a machine-readable magnetic media layer .
20. ー种安全线,其特征在于包括根据权利要求1-19中任一项所述的光学防伪元件, 其中所述安全线的厚度不大于40微米。 20. The security thread ー species, characterized by comprising the optical security element according to any one of claims 1-19 claim, wherein the thickness of the security thread is no greater than 40 microns.
21. ー种防伪纸,其特征在于,所述防伪纸带有根据权利要求20所述的安全线,所述安全线以开窗安全线的形式嵌入纸中, 其中所述安全线的厚度不大于40微米。 21. A security paper ー species, wherein, said security paper having a security thread according to claim 20, the security thread embedded in the paper in the form of a windowed security thread, wherein the thickness of the security thread is not greater than 40 microns.
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