KR102281412B1 - A metal card and a method for producing the metal card - Google Patents

Abstract

A method of manufacturing a metal card according to an embodiment of the present invention comprises the steps of: forming a rectangular metal core sheet having a longitudinal length and a unidirectional length from a metal sheet; processing the front surface of the metal core sheet; and forming a magnetic stripe accommodating part in processing the back surface of the metal core sheet, wherein the magnetic stripe accommodating part is a guide groove into which a magnetic stripe having a length smaller than the longitudinal length of the metal core sheet is inserted. and a sidewall structure formed of the metal core sheet material at both ends of the guide groove in the longitudinal direction to protect the both ends.

Description

A metal card and a method of manufacturing a metal card {A METAL CARD AND A METHOD FOR PRODUCING THE METAL CARD}

The present invention relates to a metal card and a method for manufacturing the metal card.

In general, credit cards can be used in place of cash, and in recent years, smart cards with IC chips capable of storing large amounts of information have been developed and are being actively used not only for payment but also for various membership cards.

In this smart card market, special cards using various materials are being developed. In particular, differentiated metal credit cards have been developed for VIP customers, and metal cards have been provided to special customers by realizing high-quality credit cards with metallic luster.

In particular, all of the conventional metal cards have a magnetic stripe, but it is not easy to directly attach the magnetic stripe to the surface due to the surface characteristics of the metal, so a magnetic stripe guide groove with both ends open is processed on the metal card, and the guide It is manufactured by inserting and attaching a magnetic stripe to a groove using an adhesive or the like.

However, this conventional manufacturing method has a problem of causing partial deformation of both ends of the metal card, which is thin due to the groove first. That is, when machining a guide groove with both ends open, bending of both ends of the groove may be caused during machining such as NC machining, and even when fixing a metal card for laser processing, errors due to the bending of both ends of the groove may occur.

In addition, since there may be an error between the length of the magnetic stripe and the guide groove in the conventional method, a magnetic stripe having a length longer than the guide groove is cut and attached to the guide groove with both ends open, but the portion exceeding the opening at both ends is cut There is a problem that an additional processing step is required.

Furthermore, in the metal card product family produced by this process, the magnetic stripe part exposed to the openings at both ends of the side may be repeatedly contacted and worn as the card is read, which increases the possibility of damage and peeling of both ends of the magnetic stripe. There is a problem of reducing the durability of the.

The present invention has been devised to solve the above problems, and in a metal card, including a magnetic stripe receiving part provided with one or more sidewall structures protecting both ends of a magnetic stripe groove guide, a magnetic stripe attaching process of a metal card and An object of the present invention is to provide a metal card capable of improving usability and a method for manufacturing the same.

Method according to an embodiment of the present invention for solving the above problems, in the method for manufacturing a metal card, forming a metal core sheet of a rectangular shape having a longitudinal length and a unidirectional length from the metal sheet; processing the front surface of the metal core sheet; and forming a magnetic stripe accommodating part in processing the back surface of the metal core sheet, wherein the magnetic stripe accommodating part is a guide groove into which a magnetic stripe having a length smaller than the longitudinal length of the metal core sheet is inserted. and a sidewall structure formed of the metal core sheet material at both ends of the guide groove in the longitudinal direction to protect the both ends.

In addition, the metal card according to an embodiment of the present invention for solving the above-described problems, a rectangular metal core sheet having a longitudinal length and a unidirectional length; a front surface processing layer of the metal core sheet; and a magnetic stripe accommodating part processed on a rear surface of the metal core sheet, wherein the magnetic stripe accommodating part includes a guide groove into which a magnetic stripe having a length smaller than the longitudinal length of the metal core sheet is inserted and formed, the guide groove It is characterized in that the sidewall structure formed of the metal core sheet material is provided at both ends of the longitudinal direction to protect the both ends.

According to an embodiment of the present invention, in a metal card, a magnetic stripe receiving part having one or more sidewall structures to protect both ends of the magnetic stripe groove guide is included, thereby facilitating the magnetic stripe attaching process of the metal card, and usability and durability improvement.

In particular, according to an embodiment of the present invention, since the sidewall structure is formed to have a preset thickness and height, it is possible to effectively prevent deformation during cutting and laser printing of the metal card.

In addition, according to an embodiment of the present invention, the sidewall structure is formed to have a preset thickness and height, thereby effectively preventing deformation during cutting and laser printing of the metal card.

1 is a view showing the front and back of the metal card 100 according to an embodiment of the present invention, Figure 2 is a conventional back structure of the metal card 10 and the magnetic stripe mounting process, the implementation of the present invention It is a diagram for describing and comparing the rear structure of the metal card 100 according to the example and the magnetic stripe mounting process.
3 is a cross-sectional view of one side of the receiving part 110 in a state where the magnetic stripe 200 is attached according to an embodiment of the present invention.
4 and 5 are diagrams for explaining the curvature of the magnetic stripe 200 and the corner portion of the guide groove 113 region of the accommodating part 110 according to an embodiment of the present invention.
6 is a flowchart illustrating a method of manufacturing the metal card 100 according to an embodiment of the present invention.
7 is a flowchart illustrating a method of manufacturing a magnetic stripe sheet according to an embodiment of the present invention.

The following is merely illustrative of the principles of the invention. Therefore, those skilled in the art will be able to devise various devices that, although not explicitly described or shown herein, embody the principles of the invention and are included within the spirit and scope of the invention. Moreover, it is to be understood that all conditional terms and examples listed herein are, in principle, expressly intended solely for the purpose of enabling the concept of the present invention to be understood, and not limited to the specifically enumerated embodiments and states as such. should be

For example, throughout the specification, when it is said that a part is "connected" with another part, it is not only "directly connected" but also "indirectly connected" with another member interposed therebetween. cases are included. In addition, when a part "includes" a certain component, this means that other components may be further provided without excluding other components unless otherwise stated.

Moreover, it is to be understood that all detailed description reciting the principles, aspects, and embodiments of the invention, as well as specific embodiments, are intended to cover structural and functional equivalents of such matters. It is also to be understood that such equivalents include not only currently known equivalents, but also equivalents developed in the future, i.e., all devices invented to perform the same function, regardless of structure.

The above-described objects, features and advantages will become more apparent through the following detailed description in relation to the accompanying drawings, and accordingly, those of ordinary skill in the art to which the present invention pertains can easily implement the technical idea of the present invention. There will be. In addition, in describing the present invention, if it is determined that a detailed description of a known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted.

1 is a view showing the front and rear surfaces of a metal card 100 according to an embodiment of the present invention, and FIG. 2 is a rear structure of a conventional metal card 10 and a magnetic stripe mounting process, and an embodiment of the present invention It is a diagram for describing and comparing the rear structure of the metal card 100 according to the example and the magnetic stripe mounting process.

1 and 2, the metal card 100 according to an embodiment of the present invention, as shown in FIG. 1 (A), the front surface of the contact or non-contact type IC chip 115 is mounted credit It may be a card, and characters for identifying the card company may be formed by various methods (printing, marking or etching, NC processing, laser processing, etc.). The metal card according to the embodiment of the present invention may be made of any one of metal material of super titanium, scantium, and SUS whose body has good elastic restoring force.

In particular, the metal card according to the embodiment of the present invention is a core sheet expressing a material and weight characteristic of the metal card, and may be formed of SUS (steel use stainless, stainless steel) or titanium material. The metal material of the core sheet may be selected in consideration of the material and weight for expressing the characteristics of the metal, as well as durability, wear, and degree of denaturation to withstand the processing process. As an embodiment, the core sheet made of SUS may be a material that is strong against corrosion and can be heat treated. Heat treatment refers to an operation process in which a metal is heated to a certain temperature and improved into a desired property or metal structure according to a cooling rate. The core sheet of the metal card 100 may have irregularities on some or all of the surface for adhesion. In addition, the core sheet may be processed through a heat treatment process to improve strength and restoring force when manufacturing the metal card 100 .

And, as shown in FIG. 1 (B), on the back side of the metal card 100 according to the embodiment of the present invention, a magnetic stripe receiving part ( 110), wherein the longitudinal width W1 of the accommodating part 110 may be formed to have a length smaller than the length of the longitudinal width W2 of the outer peripheral surface of the metal card 100. Accordingly, the magnetic stripe 200 attached to the rear surface is also processed to a length W1 that is less than or equal to the length W1 of the receiving part 110 into which the magnetic stripe 200 is inserted, It may be attached to the receiving unit 110 .

As shown in FIG. 2 , the configuration of the accommodating part 110 as described above can solve the problems described above with the conventional method of attaching the metal card 10 and the magnetic stripe 20 .

More specifically, referring to Figure 2 (A), the conventional metal card 10, for the attachment of the magnetic stripe 20, both sides are provided with a magnetic stripe receiving groove 11 of an open structure, , after the magnetic stripe 20 is processed and attached to a length exceeding the entire width of the metal card 10, an additional process of cutting and removing the remaining stripes 21 at both ends is required.

In addition, the conventional metal card 10 formed in this way causes partial deformation of both ends of the metal card, the thickness of which is reduced due to the guide groove 11, and an error may occur due to the curvature of both ends of the groove.

Furthermore, in the metal card product family actually produced by this process, the magnetic stripe portion exposed to the side openings of the guide groove 11 may be repeatedly contacted to the outside as the card is read and worn, which is the amount of the magnetic stripe 20 There is a problem of increasing the possibility of damage and peeling of the side end, thereby reducing the durability of the product.

Therefore, the metal card 100 according to the embodiment of the present invention is provided with a magnetic stripe receiving part 110 in the metal card 100, and the receiving part 110 is the longitudinal width of the metal card 100 body. A guide groove 113 having a smaller width than (W2) and a metal extending from the metal card 100 body at both ends of the guide groove 113 to protect both ends of the guide groove 113 By forming one or more sidewall structures 111 and 112 of a material, the magnetic stripe attachment process of the metal card can be shortened, and workability and usability can be improved by preventing the bending of both ends through the metal material, and the magnetic stripe (200) Since the side end is not exposed, it is possible to improve durability by minimizing friction and reducing the possibility of damage and peeling.

3 is a cross-sectional view of one side of the receiving part 110 in a state where the magnetic stripe 200 is attached according to an embodiment of the present invention.

Referring to FIG. 3 , one side of the magnetic stripe receiving part 110 of the metal card 100 according to an embodiment of the present invention may include a first sidewall structure 111 forming one end of the guide groove 113 .

Here, the first sidewall structure 111 may be formed with a preset thickness d1 and a height d2 from the bottom of the metal core sheet. That is, when viewed from the front, the sidewall structure 111 may be formed to protrude from both ends of the metal core sheet toward the inner guide groove 113 according to a preset thickness range. That is, the sidewall structures 111 and 112 are formed to protrude from both ends of the metal core sheet in the longitudinal inward direction to a predetermined thickness to form both ends of the support of the guide groove 113, and to protect the magnetic stripe 200 therein. .

In order for the magnetic stripe 200, whose length is reduced due to the first sidewall structure 111, to be normally read, the magnetic stripe 200 when it includes 2-track data according to the credit card standard defined by the ISO/IEC 7811-6 standard. ) should be 6.35mm to 8.5mm, and if 3 track data is included, the width should be 10.28mm to 12.7mm, and the longitudinal length should be at least 82.55mm to 79.63mm.

In addition, the longitudinal width of the metal card 100 according to an embodiment of the present invention may be about 85 mm, like a conventional credit card. Accordingly, although the length of the magnetic stripe 200 is smaller than the body length of the metal card 100 by about 2.92 mm at the maximum left and right, there is no problem in normal reading.

Therefore, the thickness d1 of the first sidewall structure 111 according to the embodiment of the present invention is preferably formed in a range of 0.5mm to 2.4mm when considering the thickness of the opposite second sidewall structure 112 . In addition, since durability and usability may be reduced when it is too thin or too thick, more preferably, the thickness of 2.0 mm to 2.4 mm may be the best thickness.

On the other hand, the height of the first sidewall structure 111 forms the depth of the guide groove 113 , and is formed in a range of 0.1 mm to 0.5 mm to sufficiently accommodate the thickness of the magnetic stripe 200 and the adhesive layer 210 . is preferable For example, the thickness of the magnetic stripe 200 may be 0.2 mm, and the adhesive layer 210 may be a hot melt material capable of enhancing adhesion through lamination to the material of the metal card 100 . And, the thickness may be 0.06mm, and the height of the first sidewall structure 111 is preferably 0.24mm.

In this form, the sidewall structures 111 and 112 formed at both ends of the guide groove 113 may be formed through CNC machining of the back surface of the core sheet of the metal card 100 . That is, the side wall structures 111 and 112 may be formed in the form of left and right side residual structures when CNC cutting of the guide groove 113 for the receiving portion 110 region in the rear processing process is performed, Additional CNC machining for height adjustment corresponding to the sidewall structures 111 and 112 may be performed.

Meanwhile, FIGS. 4 and 5 are diagrams for explaining a curvature of a corner portion of the guide groove 113 region of the magnetic stripe 200 and the accommodating part 110 according to an embodiment of the present invention.

As shown in FIGS. 4 and 5, the square corner region of the guide groove 113 connected to the sidewall structures 111 and 112 is formed at a right angle as shown in FIG. 4, or as shown in FIG. It may be formed in a round shape. The magnetic stripe 200 may include right-angled or round-shaped corners suitable for each corner shape.

In the case of forming a right angle as shown in FIG. 4 , the processing of the magnetic stripe 200 is easy, but since the right angle processing is difficult with CNC, etching processing is preferably applied.

On the other hand, when formed in a round shape as shown in FIG. 5, CNC machining is easy, and since the magnetic stripe 200 is also processed in a round shape instead of a right angle, the possibility of peeling can be lowered, and thus durability and usability can be improved. do.

Preferably, assuming a thickness of 0.5 mm to 2.4 mm at both ends of the above-described side wall structures 111 and 112, in consideration of the standard recognition allowance of 0.52 mm, the radius of curvature of the round part is set to 0.5 mm to 1 mm would be optimal

Furthermore, in consideration of practical use, the left and right thicknesses of the square guide groove 113 having a rounded corner and the optimal sidewall structures 111 and 112 in consideration of the sidewall structures 111 and 112 are preferably 2.0mm. and the radius of curvature is preferably 1 mm.

When the rear accommodating part 110 of the metal card 100 is configured as described above, while effectively preventing deformation during cutting processing and laser printing processing of the metal card, the peelability of the magnetic stripe 200 is reduced to improve durability and usability. It can also be greatly improved.

Meanwhile, FIG. 6 is a flowchart for explaining a method of manufacturing the metal card 100 according to an embodiment of the present invention.

Referring to FIG. 6 , a metal core sheet is formed by first cutting a metal sheet according to a preset standard for a credit card, and an IC chip accommodating groove is formed inside the metal card ( S101 ).

As described above, the metal card according to an embodiment of the present invention is a core sheet expressing a unique material and weight of the metal card, and may be formed of SUS (steel use stainless, stainless steel) or titanium material. The metal material of the core sheet may be selected in consideration of the material and weight for expressing the characteristics of the metal, as well as durability, wear, and degree of denaturation to withstand the processing process.

Then, the metal card 100 front printing layer is primarily formed on the core sheet (S103). Here, the printing layer may be formed by a laser printing method, and a card manufacturer's name, a hologram or fingerprint information necessary for security may be printed.

Thereafter, a diamond like carbon (DLC) deposition process is performed on the front and back surfaces of the core sheet, and a metal color coating process is performed to emphasize the metal color (S105).

Then, the printed layer on the front and back surfaces of the metal card 100 is formed secondary (S107). The secondary printed layer may also be processed by a laser method, and graphic information may be included in the secondary printed layer.

Thereafter, a top coat (TOP) coating treatment is performed on the front and back surfaces of the metal card 100 ( S109 ). A transparent coating agent that projects the color of the metal card may be used for the top coating.

In addition, the magnetic stripe receiving part 110 including the sidewall structures 111 and 112 according to an embodiment of the present invention is processed on the rear surface of the metal card 100 ( S111 ).

Receiving part 110 processing may be preferably cutting through a CNC process, the thickness of the side wall structures 111 and 112 may be 0.5mm to 2.4mm, and it may be preferable that the height is 0.1mm to 0.5mm.

Then, when the accommodating part 110 is processed, the magnetic stripe 200 may be laminated and attached to the accommodating part 110 ( S113 ).

For laminating the metal sheet of the magnetic stripe 200, a hot melt sheet that preferably provides high adhesion may be used.

Thereafter, a CHIP ON BOARD (COB) chip 115 for storing credit card information may be inserted and attached to the IC chip accommodating part of the metal card 100 . The COB chip 115 may be a contact type or a contactless type, and in the case of the contactless type, although not shown, a process of laminating one or more antenna inlay layers for wireless communication may be further provided.

Meanwhile, FIG. 7 is a flowchart illustrating a method of manufacturing a magnetic stripe sheet according to an embodiment of the present invention.

Referring to FIG. 7 , first, a large-area sheet including a plurality of magnetic stripes is first laminated on a PVC sheet (S201).

Then, an individual magnetic stripe 200 assembly is obtained by punching a large-area sheet (S203).

Here, the magnetic stripe 200 assembly may be formed smaller than the longitudinal length W2 of the metal card 100 by the sidewall structures 111 and 112, and a length of 82.55mm to 79.63mm in standard. must be satisfied, but it is preferable that the corners have a round shape.

Then, the hot melt sheet to be inserted into the magnetic stripe receiving unit 110 is cut (S205). Here, in consideration of laminating, the length of the hot melt sheet is formed equal to that of the magnetic stripe 200 assembly, and the width may be as small as 0.5 mm.

Thereafter, the hot melt sheet is inserted into the receiving unit 110 , and as the magnetic stripe 200 assembly is attached and laminated thereon, the magnetic stripe 200 may be fixedly attached to the receiving unit 110 . (S207).

The process of attaching the magnetic stripe 200 according to the embodiment of the present invention as described above makes it possible to omit the process of cutting and removing the residues from both ends when the magnetic stripe 20 of the conventional metal card 10 is attached. Processability and durability can be improved, and cost reduction and productivity due to material reduction are both improved.

In the above, preferred embodiments of the present invention have been illustrated and described, but the present invention is not limited to the specific embodiments described above, and it is common in the technical field to which the present invention pertains without departing from the gist of the present invention as claimed in the claims. Various modifications may be made by those having the knowledge of, of course, and these modifications should not be individually understood from the technical spirit or perspective of the present invention.

100: metal card 115: COB chip
110: magnetic stripe receiving part 111: first sidewall structure
112: second sidewall structure 113: guide groove
200: magnetic stripe 210: adhesive layer

Claims (13)

A method for manufacturing a metal card, comprising:
forming a square-shaped metal core sheet having a longitudinal length and a unidirectional length from the metal sheet;
processing the front surface of the metal core sheet; and
In processing the metal core sheet back surface processing, comprising the step of forming a magnetic stripe receiving portion,
The magnetic stripe receiving part includes a guide groove into which a magnetic stripe having a length smaller than the longitudinal length of the metal core sheet is inserted, and both ends of the guide groove in the longitudinal direction to protect the both ends of the metal core. A sidewall structure extending from the metal core sheet is provided with a sheet material,
The step of forming the receiving part is,
Performing CNC cutting or etching processing on the rear surface of the metal core sheet, comprising the step of forming the guide groove and the sidewall structure in the form of the remaining structure of the metal core sheet
A method of manufacturing a metal card. According to claim 1,
The side wall structure is characterized in that it is formed to protrude from both ends of the metal core sheet in the direction of the guide groove according to a preset thickness range.
A method of manufacturing a metal card. 3. The method of claim 2,
The preset protrusion range, characterized in that 0.5mm to 2.4mm
A method of manufacturing a metal card. According to claim 1,
The guide groove formed in the metal core sheet has a depth of 0.1 mm to 0.5 mm, characterized in that
A method of manufacturing a metal card. According to claim 1,
The guide groove and the magnetic stripe, characterized in that having a rectangular edge according to the etching process
A method of manufacturing a metal card. According to claim 1,
The guide groove and the magnetic stripe, characterized in that having a rounded edge according to the CNC cutting process
A method of manufacturing a metal card. 7. The method of claim 6,
The radius of curvature of the round corners of the guide groove and the magnetic stripe is 0.5 mm to 1 mm, characterized in that
A method of manufacturing a metal card. 8. The method of claim 7,
When the radius of curvature of the round corner is 1 mm, the side wall structure is formed to protrude 2.0 mm from both ends of the metal core sheet in the direction of the guide groove.
A method of manufacturing a metal card. In the metal card,
a metal core sheet in the form of a square having a longitudinal length and a unidirectional length;
a front surface processing layer of the metal core sheet; and
and a magnetic stripe receiving part processed on the back side of the metal core sheet,
The magnetic stripe receiving part includes a guide groove into which a magnetic stripe having a length smaller than the longitudinal length of the metal core sheet is inserted, and both ends of the guide groove in the longitudinal direction to protect the both ends of the metal core. A sidewall structure extending from the metal core sheet is provided with a sheet material,
The receiving unit,
CNC cutting or etching processing is performed on the rear surface of the metal core sheet, so that the guide groove and the sidewall structure are formed in the form of the remaining structure of the metal core sheet
metal card. 10. The method of claim 9,
The side wall structure is characterized in that it is formed to protrude from both ends of the metal core sheet in the direction of the guide groove according to a preset thickness range.
metal card. 11. The method of claim 10,
The preset protrusion range, characterized in that 0.5mm to 2.4mm
metal card. 11. The method of claim 10,
The guide groove and the magnetic stripe have rounded corners,
The radius of curvature of the round corners of the guide groove and the magnetic stripe is 0.5 mm to 1 mm, characterized in that
metal card. 13. The method of claim 12,
When the radius of curvature of the round corner is 1 mm, the side wall structure is formed to protrude 2.0 mm from both ends of the metal core sheet in the direction of the guide groove.
metal card.

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