CN210955169U - Smart card - Google Patents
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- CN210955169U CN210955169U CN202020262193.9U CN202020262193U CN210955169U CN 210955169 U CN210955169 U CN 210955169U CN 202020262193 U CN202020262193 U CN 202020262193U CN 210955169 U CN210955169 U CN 210955169U
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Abstract
The utility model provides a smart card, which comprises a first film coating layer, a first printing sheet layer and a substrate layer, wherein the first printing sheet layer covers the first surface of the substrate layer, and the first film coating layer covers the first surface of the first printing sheet layer; the substrate layer is provided with a circuit board groove which is arranged facing the first printed sheet layer; the circuit board groove is provided with a circuit board layer, and the first surface of the circuit board layer and the first surface of the substrate layer are positioned on the same plane; the first printing sheet layer is provided with a first contact hole, the first film coating layer is provided with a second contact hole, and the first contact hole and the second contact hole are oppositely arranged; the first surface of the circuit board layer is provided with an electric contact assembly, the electric contact assembly is positioned in the first contact hole and the second contact hole, and the first surface of the electric contact assembly and the first surface of the first coating are positioned on the same plane. Use the utility model discloses a smart card structure is simplified, simplifies the manufacture process.
Description
Technical Field
The utility model relates to a smart card technical field especially relates to a smart card.
Background
With the development of science and technology and the continuous improvement of living standard of people, the traditional magnetic stripe card can not meet the requirement of higher security, and then an IC chip card is appeared. The chip card is also called as an integrated circuit card, is similar to a microcomputer, can simultaneously have multiple functions, and is applied to multiple fields of finance, communication, social security, security documents, traffic, education, medical health, electronic government affairs and the like. The integrated circuit is provided with a safety processor and carries out information interaction with a card reader or a remote non-contact protocol or a POS terminal through a complex encryption algorithm. The processing process of the chip card or the integrated circuit card comprises the following steps: a wafer (wafer) or a chip with an information storage or interaction function is connected with a contact terminal at one end of a blank carrier tape through a wire bonding process, in order to protect the wafer and a circuit from being damaged, a layer of protective glue is coated on the surface of the wafer or the chip, a common IC module is manufactured after high-temperature curing, and the size and the shape of the contact terminal meet the contact requirements of ISO 7816. The method comprises the steps of binding a plurality of layers of base materials in advance, manufacturing a card body through hot pressing and cold pressing circulating operation, embedding an antenna into the card body in advance, milling a groove in the card body according to the industrial requirements of the intelligent card, packaging an IC module with hot melt adhesive tape into the card body, and manufacturing a contact type IC card.
However, in the conventional card manufacturing process, since the IC module needs to be packaged separately, the manufacturing process is complicated.
Disclosure of Invention
A first object of the present invention is to provide a smart card with a simplified structure.
In order to achieve the first object, the present invention provides a smart card comprising a first coating layer, a first printing sheet layer and a substrate layer, wherein the first printing sheet layer covers a first surface of the substrate layer, and the first coating layer covers the first surface of the first printing sheet layer; the substrate layer is provided with a circuit board groove which is arranged facing the first printed sheet layer; the circuit board groove is provided with a circuit board layer, and the first surface of the circuit board layer and the first surface of the substrate layer are positioned on the same plane; the first printing sheet layer is provided with a first contact hole, the first film coating layer is provided with a second contact hole, and the first contact hole and the second contact hole are oppositely arranged; the first surface of the circuit board layer is provided with an electric contact assembly, the electric contact assembly is positioned in the first contact hole and the second contact hole, and the first surface of the electric contact assembly and the first surface of the first coating are positioned on the same plane.
It is thus clear from the above-mentioned scheme, the utility model discloses a smart card is through setting up the circuit board layer, install the circuit board recess on the base plate layer with the circuit board layer to make the first surface on circuit board layer and the first surface on base plate layer be in the coplanar, and simultaneously, set up the electrical contact subassembly on the circuit board layer, the first surface of electrical contact subassembly and the first surface of first tectorial membrane are in the coplanar, make in the suppression preparation process to the smart card, not fragile circuit structure in the circuit board layer, thereby can omit the encapsulation operation of IC module, thereby simplify the smart card structure.
In a further scheme, the second surface of the circuit board layer is provided with an intelligent chip, and the second surface of the circuit board layer is arranged opposite to the first surface of the circuit board layer; the base plate layer is also provided with a chip groove, and the intelligent chip is positioned in the chip groove.
Therefore, in order to further protect the intelligent chip, the chip groove is further formed in the substrate layer, the intelligent chip is installed in the chip groove, the intelligent chip can be prevented from being directly stressed, and the risk that the intelligent chip is damaged is reduced.
In a further scheme, the first surface of the circuit board layer is further provided with an intelligent chip, the first printing sheet layer is further provided with a chip through hole, and the intelligent chip is located in the chip through hole.
Therefore, the intelligent chip and the electric contact assembly are arranged on the same side of the circuit board layer, so that the processing of the circuit board groove can be facilitated, and the processing speed can be increased conveniently.
In a further scheme, the smart card further comprises a second film coating layer and a second printing sheet layer, wherein the second film coating layer covers the second surface of the substrate layer, and the second surface of the substrate layer is opposite to the first surface of the substrate layer; the second coating layer covers the first surface of the second printing sheet layer.
In a further aspect, the first coating layer and the second coating layer have the same thickness.
In a further aspect, the first printing sheet layer and the second printing sheet layer have the same thickness.
Therefore, the second film coating layer and the second printing sheet layer are arranged, the substrate layer can be further protected, the second film coating layer and the second printing sheet layer are symmetrically arranged with the first film coating layer and the first printing sheet layer, the thickness of the first film coating layer is equal to that of the second film coating layer, the thickness of the first printing sheet layer is equal to that of the second printing sheet layer, and the symmetrical attractiveness of the intelligent card structure can be improved.
In a further scheme, the smart card further comprises a magnetic stripe layer, and the magnetic stripe layer is arranged on the first surface of the second film coating layer.
Therefore, in order to increase the functional application of the smart card, the magnetic strip layer is arranged on the smart card, and information interaction can be carried out with the card reading device through the magnetic strip layer.
In a further scheme, the circuit board layer is further provided with an antenna, and the antenna is wound on the circuit board layer.
Therefore, the circuit board layer is further provided with the antenna, the smart card can perform information interaction with the card reading device through the antenna, and meanwhile, the antenna is arranged on the circuit layer, so that the smart card can be conveniently manufactured.
Drawings
Fig. 1 is a sectional view of a first embodiment of the smart card of the present invention.
Fig. 2 is a cross-sectional exploded view of a first embodiment of the smart card of the present invention.
Fig. 3 is an enlarged view at a in fig. 1.
Fig. 4 is a structural sectional view of a second embodiment of the smart card of the present invention.
Fig. 5 is a cross-sectional exploded view of a second embodiment of the smart card of the present invention.
Fig. 6 is an enlarged view at B in fig. 4.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Smart card first embodiment:
as shown in fig. 1 and 2, the smart card of this embodiment includes a substrate layer 1, a first printed sheet layer 2, a first film layer 3, a second printed sheet layer 4, a second film layer 5, and a magnetic stripe layer 60, where the first printed sheet layer 2 covers a first surface 11 of the substrate layer 1, the first film layer 3 covers a first surface 21 of the first printed sheet layer 2, the second printed sheet layer 4 covers a second surface 12 of the substrate layer 1, the second surface 12 of the substrate layer 1 is opposite to the first surface 11 of the substrate layer 1, the second film layer 5 covers a first surface 41 of the second printed sheet layer 4, and the magnetic stripe layer 60 is disposed on a first surface 51 of the second film layer 5. The first printing sheet layer 2 and the second printing sheet layer 4 are equal in thickness, and the first coating layer 3 and the second coating layer 5 are equal in thickness. The substrate layer 1, the first printing sheet layer 2, the first coating layer 3, the second printing sheet layer 4, the second coating layer 5 and the magnetic strip layer 60 are made of known materials, which are well known to those skilled in the art and will not be described herein.
The substrate layer 1 is provided with a circuit board recess 13 and a chip slot 14, the circuit board recess 13 being arranged facing the first printed sheet layer 2, the chip slot 14 being located at the bottom of the circuit board recess 13. The first printing sheet layer 2 is provided with first contact holes 22, the first coating layer 3 is provided with second contact holes 32, and the first contact holes 22 and the second contact holes 32 are arranged oppositely.
Referring to fig. 3, the circuit board groove 13 is mounted with the circuit board layer 7, and the first surface 71 of the circuit board layer 7 is in the same plane as the first surface 11 of the substrate layer 1. The first surface 71 of the circuit board layer 7 is provided with an electrical contact assembly 8, the electrical contact assembly 8 is located in the first contact hole 22 and the second contact hole 32, the first surface 81 of the electrical contact assembly 8 and the first surface 31 of the first coating film 3 are located on the same plane, the second surface 72 of the circuit board layer 7 is provided with an intelligent chip 9, the second surface 72 of the circuit board layer 7 and the first surface 71 of the circuit board layer 7 are arranged in a back-to-back mode, and the intelligent chip 9 is located in the chip groove 9. The types of the electric contact assembly 8 include round, 8pin square, 6pin square and the like, and the electric contact assembly can be selected to be used according to the requirement.
The present invention will be described with reference to the method for manufacturing the smart card of this embodiment.
In manufacturing the smart card of this embodiment, first, the circuit board layer 7 is manufactured. The material used for the circuit board layer 7 is one or a mixture of a flexible printed circuit board (FPC), polyethylene terephthalate (PET), Polycarbonate (PC), ABS plastic, polyvinyl chloride (PVC), and can be well bonded to the substrate layer 1 and the first printed sheet layer 2. An electric contact assembly 8 and an intelligent chip 9 are arranged on the circuit board layer 7, and the electric contact assembly 8 is electrically connected with the intelligent chip 9. The circuit board layer 7 is provided with a circuit for data interaction of the intelligent chip 9 with other modules, for example, a circuit is etched on the circuit board layer 7. The electrical contact assembly 8 may be connected to the circuit board layer 7 using conventional solder and conductive material processes, may be connected using etching or plating processes, or may be connected by a double-coupling process.
After the circuit board layer 7 is manufactured, circuit board grooves 13 are processed on the substrate layer 1, first contact holes 22 are processed on the first printed sheet layer 2, and second contact holes 32 are processed on the first film coating layer 3 according to the size of the circuit board layer 7. The circuit board groove 13 is processed by using an engraving and milling machine according to the size (including length, width and thickness) + 0.1-0.3 mm of the circuit board layer 7, so that the circuit board layer 7 is smooth and free from obvious looseness when embedded, and the safe chip cannot be crushed by avoiding the area. When processing first contact hole 22 and second contact hole 32, bind first printing sheet layer 2 and first tectorial membrane layer 3 earlier, reuse heating device to make it fixed, ensure that first printing sheet layer 2 and first tectorial membrane layer 3 level and smooth not have the aversion, use the die-cut machine to die-cut, form first contact hole 22 and second contact hole 32 that hold electric contact subassembly 8.
Then, the structure layers of the smart card are sequentially arranged and bound, namely, the first film coating layer 3, the first printing sheet layer 2, the substrate layer 1, the second printing sheet layer 4, the second film coating layer 5, the magnetic stripe layer 60 and the circuit board layer 7 are sequentially arranged and bound. The circuit board layer 7 is embedded in the circuit board groove 13, the first surface 71 of the circuit board layer 7 is in the same plane as the first surface 11 of the substrate layer 1, the electrical contact assembly 8 on the first surface 71 of the circuit board layer 7 is located in the first contact hole 22 and the second contact hole 32, and the first surface 81 of the electrical contact assembly 8 is in the same plane as the first surface 31 of the first cover film 3.
The structure layers of the intelligent card are sequentially arranged and bound, and the bound intelligent card is hot-pressed and then cold-pressed and molded. In this embodiment, the step of performing cold press molding after performing hot pressing on the bound smart card includes: carrying out hot pressing on the smart card at a first preset temperature, a first preset time and a first preset pressure; and cold pressing the smart card at a second preset temperature, a second preset time and a second preset pressure. Preferably, the first preset temperature is 80 ℃ to 150 ℃, the first preset time is 10 minutes to 30 minutes, the first preset pressure is 30bar, the second preset temperature is 25 ℃, the second preset time is 10 minutes to 30 minutes, and the second preset pressure is 30 bar. In the laminated smart card, the first surface 81 of the electrical contact assembly 8 and the first surface 31 of the first coating film 3 are in the same plane, no obvious air bubbles or dents exist at the edge of the electrical contact assembly 8, and meanwhile, the smart chip 9 can normally complete information interaction.
Second embodiment of smart card:
as shown in fig. 4 and 5, the smart card of this embodiment includes a substrate layer 10, a first printed sheet layer 20, a first overlaminate layer 30, a second printed sheet layer 40, a second overlaminate layer 50, and a magnetic stripe layer 60, where the first printed sheet layer 20 covers a first surface 101 of the substrate layer 10, the first overlaminate layer 30 covers a first surface 201 of the first printed sheet layer 20, the second printed sheet layer 40 covers a second surface 102 of the substrate layer 10, the second surface 102 of the substrate layer 10 is opposite to the first surface 101 of the substrate layer 10, the second overlaminate layer 50 covers a first surface 401 of the second printed sheet layer 40, and the magnetic stripe layer 60 is disposed on a first surface 501 of the second overlaminate layer 50. The first and second printing sheet layers 20, 40 are of equal thickness, and the first and second coating layers 30, 50 are of equal thickness. The substrate layer 10, the first printing sheet layer 20, the first coating layer 30, the second printing sheet layer 40, the second coating layer 50 and the magnetic strip layer 60 are made of known materials, which are well known to those skilled in the art and will not be described herein.
The substrate layer 10 is provided with a circuit board groove 103, and the circuit board groove 103 is provided facing the first printed sheet layer 20. The first printing sheet layer 20 is provided with first contact holes 202 and chip through-holes 203, and the first contact holes 202 and the chip through-holes 203 are arranged at intervals. The first coating layer 30 is provided with second contact holes 302, and the first contact holes 202 and the second contact holes 302 are disposed opposite to each other.
Referring to fig. 6, the circuit board groove 103 is mounted with the circuit board layer 70, and the first surface 701 of the circuit board layer 70 is in the same plane as the first surface 101 of the substrate layer 10. The first surface 701 of the circuit board layer 70 is provided with an electrical contact assembly 80 and an intelligent chip 90, the electrical contact assembly 80 is located in the first contact hole 202 and the second contact hole 302, the first surface 801 of the electrical contact assembly 80 and the first surface 31 of the first cover film 3 are located on the same plane, the intelligent chip 90 is located in the chip through hole 203, and the surface of the intelligent chip 90 facing the first cover film layer 3 and the first surface 201 of the first printed sheet layer 20 are located on the same plane. The circuit board layer 70 is further provided with an antenna 702, the antenna 702 is wound on the circuit board layer 70, and the antenna 702 is electrically connected with the smart chip 90. The types of the electric contact assembly 80 include round, 8pin square, 6pin square and the like, and the electric contact assembly can be selected to be used according to the requirement.
The present invention will be described with reference to the method for manufacturing the smart card of this embodiment.
In manufacturing the smart card of this embodiment, first, the circuit board layer 70 is manufactured. The material used for the circuit board layer 70 is one or a mixture of a flexible printed circuit board (FPC), polyethylene terephthalate (PET), Polycarbonate (PC), ABS plastic, and polyvinyl chloride (PVC), and can be well adhered to the substrate layer 10 and the first printing sheet layer 20. An electrical contact assembly 80, a smart chip 90 and an antenna 702 are disposed on the circuit board layer 70, the electrical contact assembly 80 and the smart chip 90 being electrically connected. The circuit board layer 70 is provided with a circuit for data interaction between the smart chip 90 and other modules, for example, a circuit etched on the circuit board layer 70. The electrical contact assembly 80 may be connected to the circuit board layer 70 using conventional solder and conductive material processes, by etching or plating processes, or by a double-coupling process. The antenna 702 needs to be wound, etched or jet printed according to the actual requirements of the smart chip 90 to satisfy the best matching effect of the smart chip 90 to the frequency and the sensing distance.
After the circuit board layer 70 is manufactured, the circuit board groove 103 processing is performed on the substrate layer 10, the first contact hole 202 processing is performed on the first printed sheet layer 20, and the second contact hole 302 processing is performed on the first coating layer 30 according to the size of the circuit board layer 70. The circuit board groove 103 is processed by using an engraving and milling machine according to the size (including length, width and thickness) + 0.1-0.3 mm of the circuit board layer 70, so that the circuit board layer 70 is smooth and free from obvious looseness when being embedded, and the safe chip cannot be crushed in a avoided area. In machining the first contact hole 202 and the second contact hole 302, the first printing sheet layer 20 and the first overlay film layer 30 are die cut using a die cutter to form the first contact hole 202 and the second contact hole 302 that accommodate the electrical contact assembly 80. At the same time, die cutting of the first printed sheet layer 20 forms chip through holes 203 that accommodate the smart chips 90.
Then, the structure layers of the smart card are sequentially arranged and bound, that is, the first coating layer 30, the first printing sheet layer 20, the substrate layer 10, the second printing sheet layer 40, the second coating layer 50, the magnetic stripe layer 60 and the circuit board layer 70 are sequentially arranged and bound. The circuit board layer 70 is embedded in the circuit board recess 103, the first surface 701 of the circuit board layer 70 is in the same plane as the first surface 101 of the substrate layer 10, the electrical contact assembly 80 on the first surface 701 of the circuit board layer 70 is located in the first contact hole 202 and the second contact hole 302, and the first surface 801 of the electrical contact assembly 80 is in the same plane as the first surface 31 of the first cover film 3.
The structure layers of the intelligent card are sequentially arranged and bound, and the bound intelligent card is hot-pressed and then cold-pressed and molded. In this embodiment, the step of performing cold press molding after performing hot pressing on the bound smart card includes: carrying out hot pressing on the smart card at a first preset temperature, a first preset time and a first preset pressure; and cold pressing the smart card at a second preset temperature, a second preset time and a second preset pressure. Preferably, the first preset temperature is 80 ℃ to 150 ℃, the first preset time is 10 minutes to 30 minutes, the first preset pressure is 30bar, the second preset temperature is 25 ℃, the second preset time is 10 minutes to 30 minutes, and the second preset pressure is 30 bar. In the laminated smart card, the first surface 801 of the electrical contact assembly 80 and the first surface 31 of the first coating film 3 are in the same plane, no obvious air bubbles or dents exist at the edge of the electrical contact assembly 80, and meanwhile, the smart chip 90 can normally complete information interaction.
It should be understood by those skilled in the art that in the above two embodiments, the smart chip and the electrical contact assembly can be disposed on the same side of the circuit board layer or on two opposite sides of the circuit board layer.
According to the above, the utility model discloses a smart card is through setting up the circuit board layer, install the circuit board recess on the base plate layer with the circuit board layer, and make the first surface on circuit board layer and the first surface on base plate layer be in the coplanar, and simultaneously, set up the electrical contact subassembly on circuit board layer, the first surface of electrical contact subassembly and the first surface of first tectorial membrane are in the coplanar, make in the system manufacturing process of suppressing the smart card, not fragile circuit structure in the circuit board layer, thereby can omit the encapsulation operation of IC module, thereby simplify the smart card structure, and simplify the manufacturing process.
It should be noted that the above is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and all insubstantial modifications made by using the design concept of the present invention also fall within the protection scope of the present invention.
Claims (8)
1. A smart card, characterized by: the laminating device comprises a first laminating layer, a first printing sheet layer and a substrate layer, wherein the first printing sheet layer covers the first surface of the substrate layer, and the first laminating layer covers the first surface of the first printing sheet layer;
the substrate layer is provided with a circuit board groove, and the circuit board groove is arranged facing the first printed sheet layer;
the circuit board groove is provided with a circuit board layer, and the first surface of the circuit board layer and the first surface of the substrate layer are positioned on the same plane;
the first printing sheet layer is provided with a first contact hole, the first film coating layer is provided with a second contact hole, and the first contact hole and the second contact hole are oppositely arranged;
the circuit board comprises a circuit board layer and is characterized in that an electric contact assembly is arranged on the first surface of the circuit board layer and is positioned in a first contact hole and a second contact hole, and the first surface of the electric contact assembly and the first surface of the first coating are positioned on the same plane.
2. The smart card of claim 1, wherein:
the second surface of the circuit board layer is provided with an intelligent chip, and the second surface of the circuit board layer is arranged opposite to the first surface of the circuit board layer;
the base plate layer is also provided with a chip groove, and the intelligent chip is positioned in the chip groove.
3. The smart card of claim 1, wherein:
the first surface of circuit board layer still is provided with intelligent chip, first printing sheet layer still is provided with the chip through-hole, intelligent chip is located in the chip through-hole.
4. The smart card of any one of claims 1 to 3, wherein: the substrate layer is covered by a first film covering layer and a first printing sheet layer, and the first surface of the substrate layer is opposite to the first surface of the substrate layer;
the second laminating layer covers the first surface of the second printing sheet layer.
5. The smart card of claim 4, wherein: also comprises
A magnetic stripe layer disposed on the first surface of the second coating layer.
6. The smart card of claim 4, wherein:
the first coating layer and the second coating layer are equal in thickness.
7. The smart card of claim 4, wherein:
the first printing sheet layer and the second printing sheet layer have the same thickness.
8. The smart card of any one of claims 1 to 3, wherein:
the circuit board layer is further provided with an antenna, and the antenna is wound on the circuit board layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020262193.9U CN210955169U (en) | 2020-03-05 | 2020-03-05 | Smart card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020262193.9U CN210955169U (en) | 2020-03-05 | 2020-03-05 | Smart card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210955169U true CN210955169U (en) | 2020-07-07 |
Family
ID=71400015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020262193.9U Active CN210955169U (en) | 2020-03-05 | 2020-03-05 | Smart card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210955169U (en) |
-
2020
- 2020-03-05 CN CN202020262193.9U patent/CN210955169U/en active Active
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