CN212920898U - Anti-fake certificate card - Google Patents
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- CN212920898U CN212920898U CN202020313280.2U CN202020313280U CN212920898U CN 212920898 U CN212920898 U CN 212920898U CN 202020313280 U CN202020313280 U CN 202020313280U CN 212920898 U CN212920898 U CN 212920898U
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Abstract
The utility model provides an anti-counterfeiting certificate card, which comprises a card body and a composite surface layer arranged on the card body, wherein the composite surface layer comprises a base film layer, an information layer and a transparent dielectric layer which are sequentially stacked on the card body, and the base film layer is arranged on the card body; the card body comprises a card body, an information layer, a micro-nano structure, a plurality of structural units, a plurality of micro-nano patterns and a plurality of grooves, wherein the card body is arranged on the surface of the information layer, which is far away from the card body, the micro-nano structure comprises the structural units which are arranged in an array staggered manner, the structural units comprise the micro-nano patterns which are sequentially arranged in parallel and at intervals, in the same structural unit, the micro-nano patterns are arranged according to a rule that the micro-nano patterns are gradually shortened from the middle to two sides, in the micro-nano structure, the micro-nano patterns are not in contact with each other, the aspect ratio; the transparent medium layer is arranged on one side of the information layer with the micro-nano structure in a copying mode. Therefore, the anti-counterfeiting identification is simple, convenient and effective, and the antibacterial effect is achieved.
Description
Technical Field
The utility model relates to an optics technical field that guards against falsification especially relates to an optics certificate card that guards against falsification.
Background
Along with the development of science and technology, various certificate cards are more and more applied to people's daily life, such as employee's card, student's card, discrepancy card, resident certificate, health card, medical insurance social security card, law enforcement card, membership card, officer's card, drawing and writing certificate, official document, china and the like, these certificate cards are more and more intelligent, brought very big facility for our life, meanwhile, because carry a large amount of personal information on the certificate, consequently, also have higher requirement to the security of certificate card, authenticity and irreproducibility. The certificate anti-counterfeiting technical scheme is to apply various anti-counterfeiting technologies to the certificate, so that the security anti-counterfeiting coefficient of the certificate card is improved, and the information security of the certificate card is ensured.
However, the existing optical anti-counterfeiting certificate card is not simple and convenient to identify, and some optical anti-counterfeiting marks are difficult to counterfeit and difficult to identify, and special technologies or tools are needed; some optical anti-counterfeiting marks have too complicated identification steps and are not easy to master, for example, the anti-counterfeiting structure for the driving license and the identification method thereof described in chinese patent document CN 101161482A. If the identification of the optical anti-counterfeiting certificate card is too complicated and inconvenient to master, the better anti-counterfeiting mark can lose the function.
In addition, the identification card is a common article carried by people, and the grease attached to the hands and the dust attached to the surface of the identification card cause bacteria to be easily bred on the surface of the identification card, so that the appearance of the identification card is influenced, and the health of a human body is also influenced.
Therefore, there is a need to provide an improved solution to the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an anti-fake certificate card, it not only makes anti-fake differentiation simple and convenient effective, but also has antibacterial effect.
According to one aspect of the present invention, the present invention provides an anti-counterfeit certificate card, which comprises a card body and a composite surface layer disposed on the card body, wherein the composite surface layer comprises a base film layer, an information layer and a transparent dielectric layer sequentially stacked on the card body, and the base film layer is disposed on the card body; the card body comprises a card body, an information layer, a base film layer and a card body, wherein the information layer is arranged on one side of the base film layer, which is far away from the card body, the surface of the information layer, which is far away from the base film layer, is provided with a micro-nano structure, the micro-nano structure comprises a plurality of structural units, the structural units are arranged in an array staggered manner, the structural units comprise a plurality of micro-nano graphs which are sequentially arranged in parallel at intervals, in the same structural unit, the micro-nano graphs are arranged according to a rule that the micro-nano graphs are gradually shortened from the middle to two sides, in the micro-nano structure, the micro-nano graphs are not in contact with each other; the transparent medium layer is arranged on one side of the information layer with the micro-nano structure in a copying mode.
In a further embodiment, a plurality of the structural units are arranged in a plurality of rows along the direction perpendicular to the axis of each micro-nano graph; and two adjacent micro-nano structure units in two adjacent rows, wherein the longest micro-nano graph of one micro-nano structure unit is opposite to the shortest micro-nano graph of the other micro-nano structure unit.
In a further embodiment, the structural elements are rhomboids; in the same row, two adjacent rhombic structure units share the shortest micro-nano graph.
In a further embodiment, the height of the micro-nano graph protrusions and/or the depth of the depressions is 500nm-50 um; the interval of the micro-nano patterns is 500nm-50 um. The height of the micro-nano graph protrusion and/or the depth of the groove are/is larger than the width of the micro-nano graph.
In a further embodiment, the height of the micro-nano graph protrusions and/or the depth of the depressions is 1um-10 um; the interval of the micro-nano patterns is 1um-10 um.
In a further embodiment, when no light source irradiates, the anti-counterfeiting certificate card does not show special light effect; when a light source irradiates, the irradiation position of the light source irradiating the anti-counterfeiting certificate card is taken as the center, the light rays are outwards diffused, and the light rays outwards present periodic color change from the center.
In a further embodiment, the light source is a point light source, and the irradiation position of the point light source on the anti-counterfeiting certificate card is taken as a circle center, and the light rays with periodic color change are dispersed outwards in a circumferential shape; or, the light source is a strip columnar light source, and the irradiation position of the strip columnar light source on the anti-counterfeiting card is taken as the center, and the periodic colored light rays are diffused to two sides in parallel.
In a further embodiment, the anti-counterfeiting certificate card further comprises an etching layer arranged between the card body and the composite surface layer, wherein the etching layer is used for signing and annotating information in real time; or, the anti-counterfeiting certificate card further comprises a printing ink layer arranged between the card body and the composite surface layer or on one side of the card body far away from the composite surface layer, and the printing ink layer is used for setting user information of the certificate card.
In a further embodiment, the information layer has a micro-nano structure which is arranged in a full or partial way; the micro-nano structure of the information layer is arranged on a single surface or on two surfaces.
In a further embodiment, the base film layer is made of the same material as the card body; or the base film layer and the card body are made of different materials, and an adhesive layer is arranged between the base film layer and the card body.
In a further embodiment, the anti-counterfeit certificate card is characterized by further comprising a transparent protective layer, wherein the transparent protective layer is arranged on one side of the transparent medium layer, which is far away from the information layer, and the transparent protective layer is filled in and covers the transparent medium layer.
Compared with the prior art, the utility model discloses set up special micro-nano structure on the information layer of card, it can present specific special light efficiency under the light source irradiation condition to make anti-fake differentiation simple and convenient effective. In addition, the card has a micro-nano structure, can effectively reduce the adhesion of bacteria and the like and inhibit the growth and the reproduction of the bacteria and has an antibacterial effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are described in the embodiment description and need to be used will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. Wherein:
FIG. 1 is a cross-sectional view of the anti-counterfeit certificate card of the present invention in a first embodiment;
FIG. 2 is a schematic diagram of a microstructure of the micro-nano structure on the surface of the information layer in FIG. 1 in one embodiment;
FIG. 3 is a cross-sectional view of the second embodiment of the anti-counterfeit certificate card of the present invention;
fig. 4 is a cross-sectional view of the anti-counterfeit card according to the third embodiment of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
Please refer to fig. 1, which is a cross-sectional view of the anti-counterfeit card of the present invention in a first embodiment.
The anti-counterfeiting identification card shown in FIG. 1 comprises a composite surface layer 11 and a card body 12, wherein the card body 12 comprises a first surface 121 and a second surface 122 which are opposite; the composite surface layer 11 is disposed on the first surface 121 of the card body 12. The composite surface layer 11 includes a base film layer 111, an information layer 112, and a transparent dielectric layer 113 sequentially stacked on the first surface 121 of the card body 12.
The base film layer 111 is disposed on the first surface 121 of the card body 12 (or the base film layer 111 is connected to the first surface 121 of the card body 12). The information layer 112 is disposed on a side of the base film layer 111 away from the card body 12, and a micro-nano structure (not identified) is disposed on a surface of the information layer 112 away from the base film layer 111. The transparent medium layer 113 is arranged on one side of the information layer 112 with the micro-nano structure in a copying (or conformal) manner, namely the transparent medium layer 113 is arranged on one side of the information layer 112 with the micro-nano structure, and the transparent medium layer 113 is arranged in a copying manner and covers the micro-nano structure. The transparent medium layer 113 is used for enhancing special light efficiency and protecting the micro-nano structure. The transparent medium layer 113 conformally covers the micro-nano structure, so that the transparent medium 113 also forms the same micro-nano structure.
In this embodiment, the card body 12 and the base film layer 11 are made of the same material, for example, the card body 12 is made of polycarbonate; the base film layer 11 is a polycarbonate film; coating a coating on the base film layer 11 and nanoimprinting the micro-nano structure to form an information layer; the layers in the composite surface layer 11 shown in fig. 1 are sequentially overlapped with the card body 12, and the anti-counterfeiting certificate card is formed by heating, melting and laminating. The information layer is a resin layer, hot pressing or UV impressing is conducted, and the transparent medium layer is made of titanium dioxide, zinc sulfide and the like.
Fig. 2 is a schematic diagram of a micro-nano structure on the surface of the information layer 112 in fig. 1 according to an embodiment. The micro-nano structure shown in fig. 2 includes a plurality of structure units 210, and the structure units 210 are arranged in an array (or in a close array) on the surface of the information layer 112 away from the base film layer 111. The structure unit 210 comprises a plurality of micro-nano patterns 212 which are sequentially arranged in parallel at intervals, and in the same structure unit, the micro-nano patterns 212 are arranged according to a rule that the micro-nano patterns gradually become shorter from the middle to two sides. In the micro-nano structure, the micro-nano patterns are not contacted with each other. Specifically, a plurality of the structure units 210 are arranged in a plurality of rows along a direction perpendicular to an axis of each micro-nano pattern 212, and for two adjacent micro-nano structure units in two adjacent rows, the longest micro-nano pattern of one micro-nano structure unit is opposite to the shortest micro-nano pattern of the other micro-nano structure unit.
In the specific embodiment shown in fig. 1 and fig. 2, the aspect ratio of the micro-nano pattern is greater than 1; the structural unit 210 has a diamond shape. In the same row, two adjacent diamond-shaped structure units 210 share the shortest micro-nano pattern. The micro-nano graph 212 is a cuboid convex structure. The height of the micro-nano graph 212 is 3um, and the distance between the micro-nano graphs is 2 um. A plurality of cuboid-shaped micro-nano graphs 212 form a diamond micro-nano structure unit 210; the plurality of diamond-shaped micro-nano structure units 210 are arranged in an array to form a micro-nano structure.
It should be particularly noted that the micro-nano pattern 212 may also be a groove structure, that is, the micro-nano pattern 212 includes a protrusion structure and/or a groove structure. In one embodiment, the height of the protrusions and/or the depth of the depressions of the micro-nano pattern 212 is 500nm to 50 um; the interval of the micro-nano patterns 212 is 500nm-50 um. Preferably, the height of the projection and/or the depth of the recess of the micro-nano graph 212 is 1um-10 um; the interval of the micro-nano patterns is 1um-10 um. In one embodiment, the height of the micro-nano graph protrusion and/or the depth of the groove is larger than the width of the micro-nano graph.
Because the utility model provides a be provided with the special micro-nano structure that fig. 2 is shown on the information layer 112 of anti-fake card, consequently, it can show special optics and look the reading effect: when no light source irradiates, the anti-counterfeiting certificate card presents a gray single color and does not display special light effect; when the anti-counterfeiting card is irradiated by a light source, the irradiation position of the light source on the anti-counterfeiting card is taken as a center, the light rays are outwards diffused, and the light rays are outwards changed in periodic colors from the center (or the irradiation position).
The anti-counterfeiting card shown in figure 1 presents a special light effect diagram under the irradiation of a point light source, wherein the light source is a point light source, and the irradiation position of the point light source on the anti-counterfeiting card is taken as the center of a circle, and the light rays with periodic color change are dispersed outwards in a circumferential shape. The anti-counterfeiting card shown in figure 1 presents a special light effect graph under the irradiation of a long columnar light source, wherein the light source is a long columnar light source, and the long columnar light source irradiates the irradiation position on the anti-counterfeiting card as a center and disperses periodic colored light rays to two sides in parallel. The special optical reading effect makes the identification of the anti-counterfeiting certificate card in the utility model simple and effective.
The anti-fake card of this embodiment's outermost surface is last owing to have micro-nano structure, and this structure contact surface is little, and the bacterium is fallen on the difficult attached to above, and the bacterium that falls in the structure slot receives the structural constraint in addition on the one hand can not breed, and other filths are difficult also attached to its surface on the other hand, and the bacterium lacks the required nutrient substance of breed. Thus, the utility model provides an anti-fake card adopts the micro-nano structure to carry out physics antibacterial, reduces the adhesion of microorganism such as bacterium and effectively inhibits its growth and reproduction. Through the experiment discovery, the utility model provides a special micro-nano structure as shown in figure 2 that sets up on the anti-fake card can effectively lack adhesion such as bacterium and effectively restrain its growth and breed, has antibacterial effect.
Example two
Please refer to fig. 3, which is a cross-sectional view of the anti-counterfeit card of the present invention in a second embodiment.
The anti-counterfeiting certificate card shown in FIG. 3 comprises a composite surface layer 21, a card body 22 and an etching layer 23.
Fig. 3 is the same as the embodiment shown in fig. 1 in that: the composite surface layer 21 has the same structure as the composite surface layer 11, and the composite surface layer 21 includes a base film layer 211, an information layer 212, and a transparent dielectric layer 213, which are sequentially stacked on the card body 22.
Fig. 3 differs from the embodiment shown in fig. 1 in that: in the anti-counterfeit certificate card shown in fig. 3, the composite surface layer 21 is symmetrically arranged on both sides of the card body 22, that is, the card is arranged on both sides, and it can be known from the embodiments shown in fig. 1 and 3 that the micro-nano structures of the information layers 212 and 112 can be arranged on one side or both sides of the card surfaces of the card bodies 11 and 22; in addition, in the anti-counterfeiting certificate card shown in fig. 3, an etching layer 23 is arranged between the card body 22 and the base film layer 211, and the etching layer 23 is used for signing personalized information of a user in real time when the card (or the anti-counterfeiting certificate card) is used.
In one embodiment, the card body 22, the base film layer 211 and the etching layer 23 are made of the same material, for example, polycarbonate, and the layers are sequentially stacked and then heat laminated to form a card (or an anti-counterfeit card) as shown in fig. 3.
The identification card shown in fig. 3 is symmetrically arranged and is not easy to warp, the information layer 212 is arranged on two sides of the identification card, anti-counterfeiting can be effectively carried out, meanwhile, the information layer 212 has a special micro-nano structure, adhesion of bacteria and the like can be effectively reduced, growth and reproduction of the bacteria can be effectively inhibited, and the antibacterial effect is achieved.
It should be noted that, in other embodiments, a printing ink layer may be further disposed between the card body 22 and the base film layer 211, and the printing ink layer is used for disposing identification cards or user information, such as images or characters uniformly disposed in the identification cards.
It should be noted that, in order to make the anti-counterfeit card have a bacteriostatic effect, the micro-nano structure needs to be located on the outermost surface of the anti-counterfeit card. As shown in figure 3, the outermost surfaces (namely the outer surfaces of the transparent medium layers) of the two sides of the anti-counterfeiting card are provided with micro-nano structures, and the micro-nano structures are located on the outermost sides, so that a better antibacterial effect can be realized.
EXAMPLE III
Please refer to fig. 4, which is a cross-sectional view of the anti-counterfeit card of the present invention in a third embodiment.
The anti-counterfeit certificate card shown in fig. 4 comprises a composite surface layer 31, a card body 32, an adhesive layer 34 and a transparent protective layer 35.
Fig. 4 is the same as the embodiment shown in fig. 1 in that: the composite surface layer 31 has the same structure as the composite surface layer 11, and the composite surface layer 31 includes a base film layer 311, an information layer 312, and a transparent dielectric layer 313 stacked in sequence on the card body 32.
Fig. 4 differs from the embodiment shown in fig. 1 in that: in the counterfeit-proof card shown in fig. 4, the card body 32 and the base film layer 311 are made of different materials, and an adhesive layer 34 is provided between the card body 32 and the base film layer 311 for connection; the micro-nano structure on the information layer 312 is locally arranged; the transparent protective layer 35 is arranged on one side of the transparent dielectric layer 313 far away from the information layer 312, the transparent protective layer 35 fills and covers the transparent dielectric layer 313, and the transparent protective layer 35 protects each layer and the card body 32 and meets the requirements of each use performance.
As can be seen from the embodiments shown in fig. 1 and 4, the micro-nano structures of the information layers 312 and 112 are disposed on the card surfaces of the card bodies 11 and 31 in full or partial areas.
To sum up, the utility model provides an anti-fake card include the card body with set up in compound top layer on the card body. The composite surface layer comprises a base film layer, an information layer and a transparent medium layer which are sequentially laminated on the card body, and the base film layer is arranged on the card body; the information layer is arranged on one side of the base film layer far away from the card body, and the surface of the information layer far away from the base film layer is provided with a micro-nano structure; the transparent medium layer is arranged on one side of the information layer with the micro-nano structure in a copying mode. Because the utility model provides a be provided with the special micro-nano structure that figure 2 is shown on the information layer of anti-fake certificate card, present special light efficiency under the light source irradiation condition, can effectively prevent fake the differentiation. In addition, under the condition that the outermost surface of the card has a micro-nano structure, the adhesion of bacteria and the like can be effectively reduced, the growth and the propagation of the bacteria and the like can be inhibited, and the card has a bacteriostatic effect.
The invention has been described above with a certain degree of particularity and detail. It will be understood by those of ordinary skill in the art that the description of the embodiments is merely exemplary and that all changes that may be made without departing from the true spirit and scope of the present invention are intended to be within the scope of the present invention. The scope of the invention is defined by the appended claims rather than by the foregoing description of the embodiments.
Claims (10)
1. An anti-counterfeiting certificate card is characterized by comprising a card body and a composite surface layer arranged on the card body,
the composite surface layer comprises a base film layer, an information layer and a transparent medium layer which are sequentially laminated on the card body, and the base film layer is arranged on the card body;
the information layer is arranged on one side of the base film layer far away from the card body, the surface of the information layer far away from the base film layer is provided with a micro-nano structure,
the micro-nano structure comprises a plurality of structure units, the structure units are arranged in an array staggered mode, the structure units comprise a plurality of micro-nano patterns which are sequentially arranged in parallel and at intervals, in the same structure unit, the micro-nano patterns are arranged according to a rule that the micro-nano patterns are gradually shortened from the middle to two sides, in the micro-nano structure, the micro-nano patterns are not in contact with each other, the aspect ratio of the micro-nano patterns is larger than 1, and the micro-nano patterns comprise protruding structures and/or groove structures;
the transparent medium layer is arranged on one side of the information layer with the micro-nano structure in a copying mode.
2. The counterfeit-proof certificate card according to claim 1,
the plurality of structural units are arranged into a plurality of rows along the direction vertical to the axis of each micro-nano graph;
and two adjacent micro-nano structure units in two adjacent rows, wherein the longest micro-nano graph of one micro-nano structure unit is opposite to the shortest micro-nano graph of the other micro-nano structure unit.
3. The counterfeit-proof certificate card according to claim 1,
the structural unit is a rhombus;
in the same row, two adjacent rhombic structure units share the shortest micro-nano graph.
4. The counterfeit-proof certificate card according to claim 1,
the height of the micro-nano graph bulge and/or the depth of the depression is 500nm-50 um;
the interval of the micro-nano patterns is 500nm-50 um;
the height of the micro-nano graph protrusion and/or the depth of the groove are/is larger than the width of the micro-nano graph.
5. The counterfeit-proof certificate card according to claim 4,
the height of the micro-nano graph bulge and/or the depth of the depression is 1um-10 um;
the interval of the micro-nano patterns is 1um-10 um.
6. The anti-counterfeit certificate card as recited in claim 1, further comprising an etching layer disposed between the card body and the composite surface layer, the etching layer being for signing in real time; or
The anti-counterfeiting certificate card further comprises a printing ink layer arranged between the card body and the composite surface layer or on one side of the card body far away from the composite surface layer, and the printing ink layer is used for setting user information of the certificate card.
7. The counterfeit-proof certificate card according to claim 1,
the micro-nano structure of the information layer is arranged in a full version or a local part; or
The micro-nano structure of the information layer is arranged on a single surface or on two surfaces.
8. The counterfeit-proof certificate card according to claim 1,
the base film layer and the card body are made of the same material; or
The base film layer is made of a material different from that of the card body, and an adhesive layer is arranged between the base film layer and the card body.
9. The authentication card of claim 1 further comprising a transparent protective layer,
the transparent protective layer is arranged on one side of the transparent medium layer, which is far away from the information layer, and the transparent protective layer fills and covers the transparent medium layer.
10. The anti-counterfeiting certificate card according to claim 1, wherein the micro-nano structure is arranged on the outermost surface of the front side and the back side of the anti-counterfeiting certificate card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020313280.2U CN212920898U (en) | 2020-03-13 | 2020-03-13 | Anti-fake certificate card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020313280.2U CN212920898U (en) | 2020-03-13 | 2020-03-13 | Anti-fake certificate card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212920898U true CN212920898U (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020313280.2U Active CN212920898U (en) | 2020-03-13 | 2020-03-13 | Anti-fake certificate card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212920898U (en) |
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2020
- 2020-03-13 CN CN202020313280.2U patent/CN212920898U/en active Active
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