CN110901255A - Anti-counterfeiting certificate card with asymmetric structure and manufacturing method - Google Patents
Anti-counterfeiting certificate card with asymmetric structure and manufacturing method Download PDFInfo
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- CN110901255A CN110901255A CN201911326781.2A CN201911326781A CN110901255A CN 110901255 A CN110901255 A CN 110901255A CN 201911326781 A CN201911326781 A CN 201911326781A CN 110901255 A CN110901255 A CN 110901255A
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- 238000004519 manufacturing process Methods 0.000 title abstract description 25
- 239000010410 layer Substances 0.000 claims abstract description 222
- 239000002131 composite material Substances 0.000 claims abstract description 66
- 239000002344 surface layer Substances 0.000 claims abstract description 47
- 239000000758 substrate Substances 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 35
- 239000011241 protective layer Substances 0.000 claims abstract description 31
- 238000010329 laser etching Methods 0.000 claims abstract description 29
- 239000011247 coating layer Substances 0.000 claims abstract description 19
- 239000002086 nanomaterial Substances 0.000 claims abstract description 17
- 239000011248 coating agent Substances 0.000 claims description 37
- 238000000576 coating method Methods 0.000 claims description 37
- 125000005587 carbonate group Chemical group 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 14
- 238000001723 curing Methods 0.000 claims description 14
- 229920000642 polymer Polymers 0.000 claims description 9
- 238000003848 UV Light-Curing Methods 0.000 claims description 7
- 238000013007 heat curing Methods 0.000 claims description 7
- 229920000515 polycarbonate Polymers 0.000 claims description 6
- 239000004417 polycarbonate Substances 0.000 claims description 6
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 claims description 6
- 238000003475 lamination Methods 0.000 claims description 2
- 238000004049 embossing Methods 0.000 claims 2
- 239000010408 film Substances 0.000 description 7
- 238000007731 hot pressing Methods 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 229920002521 macromolecule Polymers 0.000 description 4
- 238000000016 photochemical curing Methods 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 239000012792 core layer Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001029 thermal curing Methods 0.000 description 3
- 239000005083 Zinc sulfide Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000002346 layers by function Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910052984 zinc sulfide Inorganic materials 0.000 description 2
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/328—Diffraction gratings; Holograms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D25/378—Special inks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/43—Marking by removal of material
- B42D25/435—Marking by removal of material using electromagnetic radiation, e.g. laser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
- B42D25/455—Associating two or more layers using heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
- B42D25/46—Associating two or more layers using pressure
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
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- Health & Medical Sciences (AREA)
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Abstract
本发明提供一种非对称结构的防伪证卡，其可以在确保实现防伪证卡表面的整版的全息防伪图像的基础上，降低单面防伪证卡的成本。其包括：基层、激光刻蚀层；在两个激光刻蚀层远离基层的一侧分别设置第一复合表层、第二复合表层；第一复合表层包括承载基材层、设置结构支撑层；在结构支撑层上压印形成的全息微纳结构，在全息微纳结构所在结构面上覆盖透明且折射率＞1.8的氧化物膜构成的介质镀膜层，最后设置保护层；保护层、结构支撑层材质相同，其材质的热膨胀系数与基层、激光刻蚀层、承载基材层的材质的热膨胀系数的差异值为[+30%,‑30%]；第二复合表层包括：承载基材层、基底层。同时本发明还公开了一种非对称结构的防伪证卡的制作方法。
The invention provides an anti-counterfeiting card with asymmetric structure, which can reduce the cost of a single-sided anti-counterfeiting card on the basis of ensuring the realization of a full-page holographic anti-counterfeiting image on the surface of the anti-counterfeiting card. It comprises: a base layer and a laser etched layer; a first composite surface layer and a second composite surface layer are respectively provided on the side of the two laser etched layers away from the base layer; the first composite surface layer includes a bearing substrate layer and a structural support layer; The holographic micro-nano structure formed by imprinting on the structural support layer is covered with a dielectric coating layer composed of a transparent oxide film with a refractive index >1.8 on the structural surface where the holographic micro-nano structure is located, and finally a protective layer is provided; the protective layer and the structural support layer The materials are the same, and the difference between the thermal expansion coefficient of the material and the thermal expansion coefficient of the base layer, the laser etching layer, and the material of the carrier substrate layer is [+30%, ‑30%]; the second composite surface layer includes: carrier substrate layer, basal layer. At the same time, the invention also discloses a manufacturing method of an anti-counterfeiting card with an asymmetric structure.
Description
Technical Field
The invention relates to the technical field of anti-counterfeiting certificate card manufacturing, in particular to an anti-counterfeiting certificate card with an asymmetric structure and a manufacturing method thereof.
Background
In the present society, various card-type documents represented by second-generation identification cards are widely used in the fields of identification authentication, quick payment, access control management and the like. The functions of the certificate card are required, and the certificate card is added with anti-counterfeiting images, endorsement information and other functions, so that the aim of safe use is fulfilled. In the manufacturing process of the identification card, different structural layers are arranged, and corresponding functional requirements are realized on the corresponding structural layers in the modes of embedding a holographic micro-nano structure, laser etching endorsement and the like. Different structural layers can adopt films made of different materials, and then the films are manufactured and molded through the procedures of gluing, hot pressing, cold pressing and the like. The common structural layer comprises a base layer used as a support, a functional layer for realizing anti-counterfeiting function and endorsement function, and an outermost protective layer.
In the prior art, different anti-counterfeiting images are realized on the surface of an anti-counterfeiting certificate card by micro-nano technologies such as a grating structure, a 3D color lens technology and the like, and in order to increase the image brightness of the anti-counterfeiting images and ensure that a user can easily verify the authenticity of the card by naked eyes, most technicians use zinc sulfide as a medium coating layer of a holographic anti-counterfeiting structure; however, zinc sulfide cannot be fused with adjacent structural layers at a molecular level, and in order to ensure the interlayer bonding force of the identification card, the medium film coating layer and the adjacent structural layers can only be bonded in an adhesive manner, so most of holographic anti-counterfeiting images in the prior art cannot completely cover the whole area of the front surface and the back surface of the identification card.
In order to ensure that the size of the anti-counterfeiting image is not limited, technicians improve the medium coating layer and can realize the full-page anti-counterfeiting image on the surface of the identification card. However, when the identification card is manufactured, because the processes of hot pressing and cold pressing are carried out, films made of different materials can generate certain internal stress in the identification card after the lamination and cooling because of the difference of the thermal expansion coefficients of the base materials; in particular, the improved full-area dielectric coating layer can cause large internal stress variation on the functional layer, so in order to prevent the card from warping, the structural layers arranged on the two sides of the base layer are generally symmetrically arranged.
However, in practical applications, due to process requirements such as cost and anti-counterfeiting, some identification cards only need to realize the function of single-sided anti-counterfeiting images, and by using the existing technology, only structural layers are symmetrically arranged on two sides of a base layer to realize the function of single-sided anti-counterfeiting, so that the cost of the identification card is very high.
Disclosure of Invention
In order to solve the problem that the prior art can not realize the full-page holographic anti-counterfeiting image and reduce the cost of a single-side card at the same time, the invention provides the anti-counterfeiting card with the asymmetric structure, which can reduce the cost of the single-side anti-counterfeiting card on the basis of ensuring the full-page holographic anti-counterfeiting image on the surface of the anti-counterfeiting card. The invention also discloses a method for manufacturing the anti-counterfeiting certificate card with the asymmetric structure.
The technical scheme of the invention is as follows: an asymmetric-structured anti-counterfeit certificate card, comprising: the laser etching device is characterized in that the laser etching device is used as a base layer of a main supporting structure, two sides of the base layer are respectively and symmetrically provided with a laser etching layer which is made of the same material as the base layer, and the laser etching device is characterized in that: the base layer is made of polycarbonate or PETG; respectively arranging a first composite surface layer and a second composite surface layer on one sides of the two laser etching layers far away from the base layer;
in the first composite surface layer and the second composite surface layer, one side close to the laser etching layer is respectively provided with a bearing substrate layer made of the same material as the laser etching layer;
in the first composite surface layer, a structure supporting layer is arranged on one side, far away from the base layer, of the bearing base material layer; a holographic micro-nano structure is formed on the structure supporting layer in an impressing mode, a medium coating layer formed by an oxide film which is transparent and has the refractive index larger than 1.8 is covered on the structure surface where the holographic micro-nano structure is located, and finally a protective layer is arranged;
the second composite skin layer comprises: a base layer is arranged on the bearing base material layer and one side of the bearing base material layer, which is far away from the base layer;
the protective layer and the structure supporting layer are made of the same material, a high molecular compound coating containing carbonate chain links is adopted, and the difference value of the thermal expansion coefficient of the material and the thermal expansion coefficients of the base layer, the laser etching layer and the bearing base material layer is [ +30%, -30% ].
It is further characterized in that:
the base layer includes: the structure supporting layer is arranged on one side, away from the base layer, of the bearing substrate layer;
the base layer includes: the protective layer is formed after the high molecular compound coating containing carbonate chain links is cured;
the base layer includes: the structure supporting layer is arranged on one side, far away from the base layer, of the bearing substrate layer, and the protective layer is arranged on the outermost layer;
the macromolecular compound coating containing the carbonate chain links is a UV (ultraviolet) photocuring/thermocuring coating;
the thickness of the bearing substrate layer is 50-200 mu m, and the thickness of the structure supporting layer is 0.5-20 mu m; the thickness of the protective layer is 0.5-20 mu m; the thickness of the medium coating layer is 30 nm-400 nm.
A method for manufacturing an anti-counterfeiting certificate card with an asymmetric structure comprises the following steps:
s1: firstly, preparing a base layer;
s2: manufacturing a first composite surface layer;
s3: manufacturing a second composite surface layer;
s4: stacking the first composite surface layer, the first laser etching layer, the base layer, the second laser etching layer and the second composite surface layer from top to bottom in sequence, then heating and laminating, and then cold pressing to form a novel anti-counterfeiting card with an anti-counterfeiting mark on one side;
the method is characterized in that:
in step S2, the step of making the first composite skin layer includes:
s2-1: arranging the bearing substrate layer;
s2-2: a structure supporting layer is arranged on the surface of one side, far away from the base layer, of the bearing base material layer;
s2-3: the holographic micro-nano structure is manufactured on the surface of one side, far away from the base layer, of the structure supporting layer through imprinting;
s2-4: globally covering a compact oxide on the structural surface of the holographic micro-nano structure to form the medium coating layer;
s2-5: and finally, coating a macromolecular compound coating containing carbonate chain links and curing to form the protective layer.
It is further characterized in that:
in step S3, the step of manufacturing the second composite skin layer includes:
s3-1: arranging the bearing substrate layer;
s3-2: a structure supporting layer is arranged on the surface of one side, far away from the base layer, of the bearing base material layer;
in step S3, the step of manufacturing the second composite skin layer includes:
s3-1: arranging the bearing substrate layer;
s3-2: a structure supporting layer is arranged on the surface of one side, far away from the base layer, of the bearing base material layer;
s3-3: coating a macromolecular compound coating containing carbonate chain links on the structure supporting layer and curing to form the protective layer;
in step S3, the step of manufacturing the second composite skin layer includes:
s3-1: arranging the bearing substrate layer;
s3-2: and coating a high molecular compound coating containing carbonate chain links on the surface of the side, away from the base layer, of the bearing substrate layer, and curing to form the protective layer.
The invention provides an anti-counterfeiting certificate card with an asymmetric structure and a manufacturing method thereof.A medium coating layer consisting of a transparent oxide film with the refractive index larger than 1.8 is arranged on a holographic micro-nano structure, and the whole anti-counterfeiting image on the surface of the certificate card is realized through a one-step forming process; because the medium coating layer is combined with the structure supporting layer and the protective layer on the two sides of the medium coating layer through molecular reaction in the hot pressing process, the generated binding force is very large, so that the whole anti-counterfeiting image can be supported, and the problem of interlayer separation of the certificate card caused by the medium coating layer can not occur; meanwhile, the medium coating layer, the bearing base material made of polycarbonate or PETG, and the macromolecular compound coating containing carbonate chain links are solidified to form a protective layer and a structure supporting layer, and the thermal expansion coefficients of the three layers are very close to that of the following components: the difference value range is [ +30%, -30% ], and the internal stress generated in the hot pressing and cold pressing processes in the manufacturing link is very close, so that the whole card cannot warp; after the first composite surface layer and the second composite surface layer which are formed by the structural layers are adopted, even if the specific structures of the first composite surface layer and the second composite surface layer are different, the card cannot be warped due to the difference of internal stress after the processing procedures of hot pressing and cold pressing; the anti-counterfeiting certificate card has the advantages that the structure of the second composite surface layer is simplified, and the purpose of reducing the cost of the anti-counterfeiting certificate card is achieved.
Drawings
FIG. 1 is a schematic structural diagram of an asymmetric identification card according to the present invention;
FIG. 2 is a schematic structural view of a first composite skin;
FIG. 3 is a schematic view of a first embodiment of a second composite skin structure;
FIG. 4 is a schematic view of a second embodiment of a second composite skin structure;
fig. 5 is a schematic view of a third embodiment of the structure of the second composite skin.
Detailed Description
An asymmetric-structured anti-counterfeit certificate card, comprising: the base layer 1 as a main supporting structure comprises a printing layer playing a role of printing a certificate card pattern and a core layer containing a chip 9, wherein the printing layer and the core layer are both opaque and white, and the printing layer and the core layer in the base layer are both made of polycarbonate or PETG; two sides of the base layer 1 are respectively symmetrically provided with a laser etching layer which is made of the same material as the base layer: the first laser etching layer 4-1 and the second laser etching layer 4-2 are used for bearing personal information on the anti-counterfeiting certificate card; arranging a first composite surface layer 2 and a second composite surface layer 3 on one sides of the two laser etching layers 4-1 and 4-2 far away from the base layer respectively; in the first composite surface layer 2 and the second composite surface layer 3, one side close to the laser etching layer is respectively provided with a bearing substrate layer 5 which is made of polycarbonate or PETG and is made of the same material as the laser etching layer; the bearing substrate layer 5 is used for protecting the laser etching layer and buffering the damage of the bending force generated by bending to the laser etching layer in the using process.
As shown in fig. 2, in the first composite surface layer 2, a structure supporting layer 6 is formed by curing a polymer compound coating containing carbonate units, such as a UV light curing/heat curing coating, based on the carrier substrate layer 5; the holographic micro-nano structure 7 formed by stamping on the structure supporting layer 6 is covered with a medium coating layer 8 which is formed by an oxide film with the transparent refractive index larger than 1.8 on the structural surface where the holographic micro-nano structure 7 is located, and a polymer compound coating containing carbonate chain links is coated on the medium coating layer 8, such as: and (3) a protective layer 10 formed after the UV photo-curing/thermal curing coating is cured.
As shown in fig. 3, the second composite skin 3 comprises: a bearing substrate layer 5 and a base layer; the base layer includes: a structure supporting layer 6 formed by curing a polymer compound coating containing carbonate chain links, such as a UV light curing/heat curing coating, on the basis of the bearing substrate layer, and a protective layer 10 formed by curing the UV coating and arranged on the outermost layer;
as shown in fig. 4, the second composite skin 3 comprises: a bearing substrate layer 5 and a base layer; the base layer includes: a structure supporting layer 6 is formed on the basis of the bearing substrate layer after the UV photocuring/thermocuring coating is cured;
as shown in fig. 5, the second composite skin 3 comprises: a bearing substrate layer 5 and a base layer; the base layer includes: a protective layer 10 disposed on the outermost layer and formed after curing by the UV light curing/heat curing coating;
because the components in the materials of the protective layer 10 and the structure supporting layer 6 are slightly different, the light transmittance is slightly different, and manufacturers can select different structures of the second composite surface layer 3 according to different requirements on the specific processing cost and the specific requirements on the appearance of the anti-counterfeiting certificate card; however, regardless of the configuration of the second composite skin 3, the thickness of each structural layer is limited as follows:
the thickness of the bearing substrate layer is 50-200 mu m, and the thickness of the structure supporting layer is 0.5-20 nm; the thickness of the protective layer is 0.5-20 mu m; the thickness of the medium coating layer is 30 nm-400 nm;
through the control to the structural layer thickness, make the film of every structural layer realize its functional basis on guaranteeing, can guarantee after the manufacturing procedure, the internal stress that the first composite surface layer 2 and the second composite surface layer 3 that the structure is different wholly produced is the same, and then reaches the purpose that prevents warping.
The protective layer 10 and the structure support layer 6 in the first composite surface layer 2 and the second composite surface layer 3 are made of the same material, and a high molecular compound coating containing carbonate chain links is adopted, and the difference value between the thermal expansion coefficient of the material and the thermal expansion coefficients of the base layer 1, the laser etching layers 4-1 and 4-2 and the bearing base material layer 5 is [ +30%, -30% ]; the thermal expansion coefficient is very close, and the internal stress generated by each structural layer is very close in the hot pressing and cold pressing processes in the manufacturing link; meanwhile, the protective layer 10 and the structure supporting layer 6 are thin film layers formed by thermally curing and/or photocuring the UV curing coating, and after the thin film layers are combined with the bearing substrate layer 5 formed by polycarbonate or PETG, the hardness can reach 4H-5H, the effects of scratch resistance and scratch resistance can be achieved, and the quality and the yield of finished cards are improved.
A method for manufacturing an anti-counterfeiting certificate card with an asymmetric structure comprises the following steps:
s1: firstly, preparing a base layer 1;
s2: manufacturing a first composite surface layer 2:
the steps of making the first composite skin 2 include:
s2-1: arranging a bearing substrate layer 5;
s2-2: a structure supporting layer 6 is arranged on the surface of one side, far away from the base layer 1, of the bearing base material layer 5;
s2-3: a holographic micro-nano structure 7 is manufactured on the surface of one side, far away from the base layer 1, of the structure supporting layer 6 through imprinting;
s2-4: globally filling oxides on the structural surface where the holographic micro-nano structure 7 is located to form a medium coating layer 8;
s2-5: finally, a high molecular compound coating containing carbonate chain links is coated, such as a UV light curing/heat curing coating, and is cured to form a protective layer 10;
s3: manufacturing a second composite surface layer 3;
s4: the first composite surface layer 2, the first laser etching layer 4-1, the base layer 1, the second laser etching layer 4-2 and the second composite surface layer 3 are sequentially stacked from top to bottom, heated, laminated and cold pressed to form the novel anti-counterfeiting card with the anti-counterfeiting mark on one side.
When the second composite skin 23 is manufactured, since the manufacturing of the structural layers with different thicknesses requires readjustment of the equipment in the production line, the manufacturer can select a suitable second composite skin structure according to different cost and process requirements:
in step S3, the step of manufacturing the second composite skin 3 shown in fig. 4 includes:
s3-1: arranging a bearing substrate layer 5;
s3-2: a structure supporting layer 6 is arranged on the surface of one side, far away from the base layer 1, of the bearing base material layer 5;
in step S3, the step of manufacturing the second composite skin 3 shown in fig. 3 includes:
s3-1: arranging a bearing substrate layer 5;
s3-2: a structure supporting layer 6 is arranged on the surface of one side, far away from the base layer, of the bearing base material layer 5;
s3-3: coating a UV light curing/heat curing coating on the structure support layer 6, and curing to form a protective layer 10;
in step S3, the step of manufacturing the second composite skin 3 shown in fig. 3 includes:
s3-1: arranging a bearing substrate layer 5;
s3-2: and coating a UV (ultraviolet) light curing/heat curing coating on the surface of the carrier substrate layer 5, which is far away from the base layer 1, and curing to form a protective layer 10.
The anti-counterfeiting certificate card realized by adopting the asymmetric certificate card structure in the technical scheme of the invention does not need to change the thicknesses of the core base layer and the laser etching layer, but reduces the overall cost of the certificate card by adjusting the structure of the composite surface layer, and simultaneously ensures that the card structure has uniform stress and does not generate warpage through the performance of the material; after testing, the maximum distance from the horizontal rigid platform to any part of the convex surface of the card (including the thickness of the card) of the anti-counterfeiting card with the asymmetrical structure after the finished product is not more than 0.5 mm.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911326781.2A CN110901255B (en) | 2019-12-20 | 2019-12-20 | Anti-counterfeit card with asymmetric structure and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911326781.2A CN110901255B (en) | 2019-12-20 | 2019-12-20 | Anti-counterfeit card with asymmetric structure and its manufacturing method |
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| CN110901255A true CN110901255A (en) | 2020-03-24 |
| CN110901255B CN110901255B (en) | 2023-08-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391539A (en) * | 2020-04-10 | 2020-07-10 | 公安部第一研究所 | A kind of card containing multi-color fluorescent pattern and its making method |
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| CN117533044A (en) * | 2023-12-11 | 2024-02-09 | 中国人民解放军国防科技大学 | A high-security card identifiable by magnetic resonance and its preparation method |
| CN117533043A (en) * | 2023-12-11 | 2024-02-09 | 中国人民解放军国防科技大学 | Card convenient for anti-fake inspection and manufacturing method thereof |
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