WO2020166754A1

WO2020166754A1 - Method for manufacturing plastic card having metal decoration inserted thereinto and plastic card having metal decoration inserted thereinto

Info

Publication number: WO2020166754A1
Application number: PCT/KR2019/002340
Authority: WO
Inventors: 김한선; 이재희; 김기수
Original assignee: 코나아이 주식회사; 코나엠 주식회사
Priority date: 2019-02-11
Filing date: 2019-02-27
Publication date: 2020-08-20
Also published as: KR102151560B1; KR20200098050A

Abstract

The present invention relates to a method for manufacturing a plastic card having a metal decoration inserted thereinto and a plastic card having a metal decoration inserted thereinto. The method for manufacturing a plastic card having a metal decoration inserted thereinto may comprise the steps of: preparing an anti-warping layer; laminating stacked sheets, formed by stacking, on the upper surface of the anti-warping layer, a plurality of sheets including an inlay sheet on which an antenna coil is printed, to form a plastic card sheet; forming a groove such that a portion of the anti-warping layer is exposed through the upper surface of the plastic card sheet; inserting a metal decoration into the groove; and applying a UV solution onto the metal decoration and then irradiating same with UV to form a UV-cured layer.

Description

Manufacturing method of plastic card with metal decoration and plastic card with metal decoration

The present invention relates to a method of manufacturing a plastic card in which a metal decoration is inserted, and to a plastic card in which a metal decoration is inserted, and more particularly, to provide a plastic card in which a metal decoration is inserted, but prevents distortion by dissimilar materials, and The present invention relates to a card manufacturing method and a plastic card capable of preventing the three-dimensional pattern on the decorative surface from being worn or the metal decoration from being deteriorated.

In general, credit cards can be used instead of cash, and in recent years, they have been developed as smart cards with built-in IC chips capable of storing large amounts of information, and are 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 implementing high-quality credit cards with metallic luster.

In the conventional metal card, since metal pieces of different materials are attached to the synthetic resin sheet, a solid attachment could not be achieved due to the heterogeneity of the material, and the adhesive strength was significantly lowered. There was a problem such as a problem.

In particular, since the conventional decorative card is used by simply attaching a sheet of another material, the effect of allowing a three-dimensional pattern to be projected to the outside to feel a more peculiar three-dimensional effect could not be expected.

The present invention is an invention devised to solve the above problems, the present invention implements a solid attachment by inserting a metal decoration on the plastic card, and prevents the phenomenon that the plastic card is bent or the sheets are separated by providing a warp prevention layer, It is an object of the present invention to provide a method of manufacturing a plastic card with a metal decoration and a plastic card with a metal decoration that can prevent the three-dimensional pattern of the metal decoration surface from being worn or the metal decoration from being deteriorated.

According to an embodiment of the present invention, a method of manufacturing a plastic card in which a metal decoration is inserted includes: preparing a warp prevention layer; Forming a plastic card sheet by laminating a laminated sheet in which a plurality of sheets are stacked including an inlay sheet on which an antenna coil is printed on the upper surface of the warp prevention layer; Forming a groove such that a portion of the warp prevention layer is exposed from an upper surface of the plastic card sheet; Inserting a metal ornament into the groove; And forming a UV cured layer by irradiating UV after applying a UV solution on the upper portion of the metal decoration.

In one embodiment, the forming of the UV curing layer may include applying the UV solution so that the UV solution fills the irregularities caused by the negative and positive angles (three-dimensional patterns) formed on the metal decoration to make the upper surface of the UV cured layer flat. The amount of forming and applying the UV solution may be determined based on the volume of the intaglio formed on the surface of the metal decoration or the amount of change in the weight of the metal decoration changed by the intaglio.

As an example, in preparing the warp prevention layer, the material and thickness of the warp prevention layer may be determined according to the component and thickness of the metal decoration.

As an embodiment, the step of inserting the metal decoration into the groove may include attaching the metal decoration to the groove using an adhesive in a region where the metal decoration meets the groove, and the adhesive may be provided as an epoxy bond for metal. I can.

As an embodiment, the forming of the plastic card sheet includes forming the inlay sheet on the upper surface of the warp prevention layer, forming an upper print sheet on the upper surface of the inlay sheet, and coating the upper surface of the upper print sheet. A middle coating layer may be formed, a lower print sheet printed on a lower surface of the warp prevention layer may be formed, and a lower coating layer coated on a lower surface of the lower print sheet may be formed.

As an embodiment, after the step of forming the UV cured layer, cutting the plastic card sheet along a plurality of individual card outlines to generate individual cards including the laminated sheet, the UV cured layer, and an upper coating layer, Forming a COB insertion region by milling a portion of the remaining region of the individual card except for a portion facing the metal decoration, contacting the antenna coil and the COB pulled upward through the COB insertion region, and It may include; inserting the COB into the COB insertion region.

According to another embodiment of the present invention, a plastic card into which a metal decoration is inserted may include a plastic card sheet formed by laminating a laminated sheet obtained by laminating a plurality of sheets including an inlay sheet printed with an antenna coil on an upper surface of the warp prevention layer; A metal decoration inserted into the groove formed from the upper surface of the plastic card sheet to a part of the warp prevention layer; And a UV cured layer formed on top of the metal decoration.

In one embodiment, the UV cured layer is formed with a flat top surface of the UV cured layer by irradiating with UV after applying a UV solution to fill the irregularities caused by the yin and Yang (three-dimensional pattern) formed on the metal decoration, The amount of applying the UV solution may be determined based on the volume of the intaglio formed on the surface of the metal decoration or the amount of change in the weight of the metal decoration changed by the intaglio.

In one embodiment, the material and thickness of the anti-warping layer may be determined according to the component and thickness of the metal decoration.

As an embodiment, when the metal decoration is provided with a material having a weight of 3.75 g of 99.9% gold and a thickness of 0.1 mm to 0.55 mm, the warping prevention layer is made of epoxy resin with a thickness of 0.05 mm to 0.15 mm It can be equipped with.

As an embodiment, in the plastic card sheet, the inlay sheet is formed on an upper surface of the warp prevention layer, an upper print sheet is formed on the upper surface of the inlay sheet, and a middle coating layer coated on the upper surface of the upper print sheet is formed. Then, a printed lower print sheet may be formed on a lower surface of the warp prevention layer, and a coated lower coating layer may be formed on a lower surface of the lower print sheet.

According to the plastic card in which the metal decoration is inserted according to the present invention, by implementing a plastic card that can feel a higher quality by the gloss emitted from the metal decoration inserted in the plastic card and the three-dimensional pattern engraved on the metal decoration, the external of the plastic card It can increase competitiveness.

In addition, according to the plastic card into which the metal decoration is inserted according to the present invention, a UV cured layer is formed on the upper surface of the metal decoration inserted in the plastic card sheet to fill the irregularities caused by the three-dimensional pattern of the metal decoration to smooth the surface of the card. , By adhering the coating layer on the upper surface of the UV curing layer, even if the card is used for a long period of time, it is possible to prevent the metal decoration from being worn out by external contact or deteriorated or discolored due to oxidation in the air.

According to the method of manufacturing a plastic card with a metal decoration inserted according to the present invention, the card can be manufactured while maintaining the flat state of the sheets of a large area by providing a warp prevention layer to prevent the phenomenon that the sheets are distorted as the metal decoration is inserted. And even if the card is used for a long period of time, it can prevent its shape from being distorted.

1 is an exploded perspective view of a plastic card into which a metal decoration is inserted according to an embodiment of the present invention.

2 is a cross-sectional view illustrating a method of manufacturing a plastic card into which a metal decoration is inserted according to an embodiment of the present invention.

3 is a cross-sectional view for explaining a method of manufacturing a COB in a plastic card into which a metal decoration is inserted according to an embodiment of the present invention.

4 is a flowchart illustrating a method of manufacturing a plastic card with a metal decoration inserted according to an embodiment of the present invention.

5 shows an example of a front surface of a plastic card into which a metal decoration is inserted according to an embodiment of the present invention.

6 is a flowchart illustrating a method of manufacturing a plastic card into which a metal decoration is inserted according to an embodiment of the present invention.

7 is a view showing an inlay sheet according to another embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention may be implemented in various different forms, and therefore is not limited to the embodiments described herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and similar reference numerals are assigned to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected" with another part, this includes not only "directly connected" but also "indirectly connected" with another member interposed therebetween. . In addition, when a part "includes" a certain component, it means that other components may be further provided, rather than excluding other components unless specifically stated to the contrary.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view of a plastic card 100 into which a metal decoration is inserted according to an embodiment of the present invention. The plastic card 100 may include one or more sheets or layers (layers). As an embodiment, the plastic card 100 may include a warp prevention layer 130, an inlay sheet 140, a metal decoration 170, and a UV curing layer 180, and according to the embodiment, the lower coating layer 110 ), a lower print sheet 120, an upper print sheet 150, a middle coating layer 160, and an upper coating layer 190, and the like. Components of the plastic card 100 according to an embodiment of the present invention are not limited thereto, and other components such as COB 101 for implementing the plastic card 100 may be further added, and additional functions For this, a display unit and a biometric sensor unit may be additionally included.

In addition, the plastic card 100 according to an embodiment of the present invention may be manufactured according to a standard size and thickness according to a predefined standard, and the size and thickness of each sheet are optimal for the operation of the plastic card and the sensitivity of wireless communication. It can be implemented to be combined by determining the thickness of. Further, the sheets constituting the plastic card 100 according to an embodiment of the present invention are not a sheet for making one card, but may be composed of a large sheet having a size including a plurality of cards to enable mass production. .

The metal decoration 170 inserted into the plastic card 100 is a decorative sheet expressing a material peculiar to metal and a three-dimensional pattern engraved on the metal, and may be formed of a metal component. The metal component may be provided with, for example, pure gold, silver, copper, SUS (steel use stainless, stainless steel), alloy, or the like. Preferably, the metal decoration 170 may be a gold bar formed of pure gold. The metal decoration 170 may include a three-dimensional pattern by embossing or engraving on the surface exposed from the plastic card 100.

When the metal decoration 170 is inserted into the plastic card 100, there is a fear that the plastic card 100 may be distorted by a different material. In particular, as shown in FIG. 1, when the metal decoration 170 is formed only in a part smaller than the total area of the plastic card 100, the plastic card 100 may be distorted. Therefore, the present invention prevents such a problem. For this purpose, a warp prevention layer 130 may be provided. The anti-torsion layer 130 may be formed of a special synthetic resin. As an embodiment, the anti-warping layer 130 provided with an epoxy resin is resistant to heat, has high strength, and may not cause contraction or expansion at any temperature. The anti-torsion layer 130 is provided in an organic relationship with the metal decoration 170, and the material and thickness of the anti-torsion layer 130 may be determined according to the composition and thickness of the metal decoration 170.

As a standard size of a general card, when the total thickness is around 0.82 mm, when the metal decoration 170 is formed with a thickness of 0.1 mm to 0.55 mm with a weight of 3.75 g of 99.9% gold, the anti-warping layer 130 is an epoxy resin. It can be provided with a thickness of 0.05mm ~ 0.15mm.

The inlay sheet 140 is a sheet including a radio frequency (RF) antenna coil, and the antenna coil included in the inlay sheet 140 is turned of the coil to show an optimized sensitivity through an RF communication (eg, NFC) sensitivity test. (Turn) number is determined. The antenna coil may be implemented to be directly connected to a Chip-On-Board (COB) 101.

The lower print sheet 120 and the upper print sheet 150 are sheets that print and display card information, and the lower print sheet 120 is under the warp prevention layer 130 and the upper print sheet 150 is an inlay sheet. (140) It may be formed on the top.

The inlay sheet 140 with the antenna coil printed on the upper surface of the anti-torsion layer 130, the upper print sheet 150 printed on the upper surface of the inlay sheet 140, the middle coating layer coated on the upper surface of the upper print sheet 150 ( 160), a laminated sheet obtained by laminating the lower print sheet 120 printed on the lower surface of the anti-warping layer 130 and the lower coating layer 110 coated on the lower surface of the lower print sheet 120 is subjected to a lamination process to process plastic Card sheets can be formed. In other words, the above-described components 110 to 160 may be laminated as shown in FIG. 1 and then processed to form one plastic card body through a lamination process. As an example, the lower coating layer 110, the middle coating layer 160, and the upper coating layer 190 to be described later may be formed of a transparent PVC sheet.

As an example, the thickness of the lower coating layer 110 and the middle coating layer 160 may be 0.06 mm, and the thickness of the lower print sheet 120, the upper print sheet 150, and the upper coating layer 190 may be 0.1 mm. In addition, the thickness of the inlay sheet 140 may be 0.15 mm.

The groove (210 of FIG. 2) is a groove formed to insert the metal decoration 170, and may be formed to expose a part of the anti-torsion layer 130 from a part of the upper surface of the plastic card sheet. The size of the groove 210 may be determined according to the area and thickness of the metal decoration 170. Specifically, the groove 210 penetrates the middle coating layer 160, the upper print sheet 150, and the inlay sheet 140, and the anti-torsion layer 130 may be formed in a recessed form leaving a predetermined height. For example, it can be formed through a grooving operation using a drill.

The metal decoration 170 may be attached to a region where the groove 210 meets the groove 210 through an adhesive (230 in FIG. 2), and for example, the adhesive 230 may be provided as an epoxy bond for metal. Alternatively, the adhesive 230 may be provided as a hot melt sheet. Hot melt is melted by heating, and a material such as a thermoplastic resin has a characteristic that it solidifies when cooled after heating and melting, and such a material can be used as a film-type hot melt adhesive.

The UV curing layer 180 applies a UV (Ultraviolet) solution on the plastic card sheet into which the metal decoration 170 is inserted to fill the irregularities caused by the three-dimensional pattern formed on the metal decoration 170, and then an upper coating layer ( 190) may be attached and then irradiated with UV to cure the UV solution. Accordingly, the upper coating layer 190 may be adhered to the UV curing layer 180, and the upper surface of the UV curing layer 180 may be formed smoothly and flat. As an example, the thickness of the metal decoration 170 may be formed from 0.1mm to 0.55mm, the depth of the intaglio 172 formed on the surface of the metal decoration 170 may be formed from 0.001mm to 0.15mm, UV The cured layer 180 may have a thickness of 0.05 mm to 0.15 mm.

Depending on the embodiment, the metal decoration 170 may be coated with a transparent primer or the like on the surface to increase adhesion to the UV solution.

The plastic card 100 into which the metal decoration is inserted according to an embodiment of the present invention covers the metal decoration 170 by using a UV solution and is instantaneously dried, so that workability is improved and the plate of the card is horizontal. , Even if the uneven pattern engraved on the metal decoration 170, such as a gold bar, is embedded in the synthetic resin, it effectively expresses the unique glossiness of the metal decoration 170 to differentiate it from the general synthetic resin card.

Hereinafter, a method of inserting a metal decoration into a plastic card according to an embodiment of the present invention will be described with reference to FIGS. 2 and 4.

2 is a cross-sectional view for explaining a method of manufacturing a plastic card with a metal decoration inserted according to an embodiment of the present invention, and FIG. 4 is a method of manufacturing a plastic card with a metal decoration inserted according to an embodiment of the present invention. This is a flow chart for explanation.

Referring to FIG. 2A, first, plastic card sheets 110 to 160 including a warp prevention layer may be prepared (S410 in FIG. 4 ). The plastic card sheet is coated on the upper surface of the inlay sheet 140 with the antenna coil printed on the upper surface of the warp prevention layer 130, the upper print sheet 150 printed on the upper surface of the inlay sheet 140, and the upper print sheet 150 A laminated sheet in which the lower print sheet 120 printed on the lower surface of the middle coating layer 160, the anti-torsion layer 130, and the lower coating layer 110 coated on the lower surface of the lower print sheet 120 are laminated by heat and pressure. It can be formed into a single plastic card body by performing a laminate process.

Next, as shown in (b) of Figure 2, as a groove formed to insert the metal decoration 170, the groove 210 so that a part of the warp prevention layer 130 is exposed from a part of the upper surface of the plastic card sheet It can be formed (S420 of FIG. 4). Specifically, the groove 210 may penetrate the middle coating layer 160, the upper print sheet 150, and the inlay sheet 140, and the anti-torsion layer 130 may be formed in a recessed shape leaving a predetermined height. As shown in (b) of FIG. 2, the depth D2 of the groove 210 formed in the warp prevention layer 130 may be smaller than the thickness D1 of the warp prevention layer 130. For example, the groove 210 may be formed through a grooving operation using a drill, and a construction method used for forming the groove 210 may be variously changed.

Next, as shown in (c) of FIG. 2, the adhesive 230 may be applied to at least a portion of the area where the metal decoration 170 meets the groove 210. For example, the adhesive 230 may be an epoxy bond for metal or a hot melt sheet.

Next, as shown in (d) of Figure 2, it is possible to insert the metal decoration 170 into the groove 210 (S430 of Figure 4). The lower part of the metal decoration 170 may be adhered by an adhesive 230. The metal decoration 170 may be a metal thin film cut into a specific pattern, and the area of the metal decoration 170 may be smaller than the area of the plastic card sheet. Since the metal decoration 170 is inserted into the groove 210 formed in a part of the plastic card sheet, even if the metal decoration 170 is inserted into the groove 210, the thickness of the entire card is not increased.

In one embodiment, the metal decoration 170 may be provided in a shape such as a circle or a polygon, for example, as shown in FIG. 5 as a shape cut into a square, including a three-dimensional pattern by intaglio or embossing on the surface. can do. 2D shows a cross section 172 of an intaglio engraved on the surface of the metal decoration 170.

Next, as shown in (e) of Figure 2, the UV solution on the plastic card sheet into which the metal decoration 170 is inserted to fill the irregularities 172 due to the three-dimensional pattern formed on the surface of the metal decoration 170 After applying, as shown in (f) of FIG. 2, the upper coating layer 190 is attached thereon and irradiated with UV to cure the UV solution (S440 of FIG. 4).

As an embodiment, when the standard size of the total thickness of the card is 0.82 mm or less, when the metal decoration 170 is formed with a thickness of 0.1 mm to 0.55 mm with a weight of 3.75 g of 99.9% gold, the anti-warping layer 130 is The epoxy resin may be provided with a thickness of 0.05 mm to 0.15 mm, and when the depth of the intaglio 172 formed on the surface of the metal decoration 170 is 0.001 mm to 0.15 mm, the thickness of the UV cured layer 180 It can be formed from 0.05mm to 0.15mm.

Here, the amount of the UV solution applied to form the UV cured layer 180 depends on the volume of the intaglio 172 formed on the surface of the metal decoration 170 or the weight change of the metal decoration 170 reduced by the intaglio 172 It can be determined on the basis of.

In one embodiment, by determining and applying the amount of the UV solution in proportion to the volume of the intaglio 172 or the weight change amount of the metal decoration 170 reduced by the intaglio 172, the UV solution fills the intaglio 172 The surface of the UV curing layer 180 may be flat without being too thick or thin.

In this way, the plastic card 100 into which the metal decoration is inserted according to an embodiment of the present invention is cut into a specific pattern and a metal decoration 170 including a three-dimensional pattern is disposed on the surface, but the UV curing layer 180 and the upper By protecting the metal decoration 170 through the coating layer 190 and smoothing the card surface at the same time, even if the card is used for a long time, the metal decoration 170 is prevented from being worn by external contact or deteriorated or discolored due to oxidation in the air. Can be prevented. In addition, while the three-dimensional pattern and gloss of the metal decoration 170 inserted into the flat plastic card pass through the UV curing layer 180 and the upper coating layer 190, the three-dimensional effect of the metal decoration 170 may be expressed. The appearance reflected from the outside is more beautiful and the dignity of the card can be improved. The plastic card 100 into which the metal decoration is inserted according to an embodiment of the present invention has the advantage that the metal decoration 170 is embedded in the UV cured layer 180 and the upper coating layer 190 so that it is not easily removed or damaged. In the plastic card 100 into which a metal decoration is inserted according to an embodiment of the present invention, a groove 210 is formed up to a part of the warp prevention layer 130 so that the metal decoration 170 is combined with the warp prevention layer 130, The plastic card 100 may be prevented from being distorted by the metal decoration 170 of a different material.

Hereinafter, with reference to FIG. 3, a method of providing the COB 101 according to an embodiment of the present invention will be described.

3 is a cross-sectional view for explaining a method of manufacturing a COB in a plastic card into which a metal decoration is inserted according to an embodiment of the present invention. The cross-section shown in FIG. 3 is a cross-section of a portion in which the COB 101 is formed, and may be a different position from the cross-section shown in FIG. 2.

First, after forming the upper coating layer 190 as described above with reference to FIG. 2, the plastic card sheet is cut along the outlines of a plurality of individual cards as shown in (a) of FIG. 3, and the anti-warping layer ( 130), an inlay sheet 140,

print sheets

120 and 150, a UV curing layer 180, and an upper coating layer 190 may be formed.

Next, as shown in (b) of FIG. 3, a portion of the remaining area of the individual card except for the portion facing the metal decoration 170 is milled to form a COB insertion area, and the COB insertion area is Through it, the antenna coil 240 can be pulled upward.

Next, as shown in (c) of FIG. 3, the COB 101 can be inserted into the COB insertion region while contacting the antenna coil 240 and the COB 101 pulled up through the COB insertion region. have.

In one embodiment, the contact point between the antenna coil 240 and the COB 101 pulled upward may be contacted by a spot welding method. At this time, the COB 101 may be fixed by applying an adhesive to the area where the rear surface of the COB 101 and the COB insertion area meet.

As an embodiment, the antenna coil 240 connected to the back of the COB 101 is disposed at a predetermined distance so as not to directly contact the laminated plastic card sheet, or between the plastic card sheet and the COB 101 An additional process may be performed to form an insulating film.

Depending on the embodiment, the COB 101 may be selectively formed on the front or rear surface of the plastic card 100.

6 is a flowchart illustrating a method of manufacturing a plastic card into which a metal decoration is inserted according to an embodiment of the present invention. In the embodiment described with reference to the drawings, in a method of manufacturing a plastic card, a metal decoration 170 is inserted, and a process related thereto is mainly described.

The inlay sheet 140 on which the antenna coil is printed on the upper surface of the anti-torsion layer 130, the upper print sheet 150, and the middle coating layer 160 are sequentially stacked, and the lower print sheet 120 is formed as the lower surface of the anti-torsion layer 130. And the lower coating layer 110 may be sequentially stacked to form a laminated sheet (S610).

Next, a single plastic card sheet may be formed by performing a lamination process by heat and pressure (S620).

Next, a groove 210 may be formed so that a part of the anti-torsion layer 130 is exposed from a part of the upper surface of the plastic card sheet (S630). Specifically, the groove 210 penetrates the middle coating layer 160, the upper print sheet 150, and the inlay sheet 140, and the anti-torsion layer 130 may be formed in a recessed form leaving a predetermined height. For example, it can be formed through a grooving operation using a drill.

Next, the metal decoration 170 may be inserted into the groove 210 (S640). To this end, when inserting the metal decoration 170 into the groove 210, the adhesive 230 may be applied to at least a portion of the area where the metal decoration 170 meets the groove 210. For example, the adhesive 230 may be provided as an epoxy bond for metal, or may be a hot melt sheet.

The metal decoration 170 may be a metal thin film cut into a specific pattern, and the area of the metal decoration 170 may be smaller than that of a plastic card sheet. Since the metal decoration 170 is inserted into the groove formed in a part of the plastic card sheet, it is not necessary to consider the limit on the thickness of the entire card due to the increase in thickness by the metal decoration 170. In one embodiment, the metal decoration 170 may be provided in a shape such as a circle or a polygon, and FIG. 5 is an example in which the metal decoration 170 is cut into a square, and the surface of the metal decoration 170 is embossed or engraved It may include a three-dimensional pattern by.

Next, after applying the UV solution on the plastic card sheet into which the metal decoration 170 is inserted to fill the irregularities caused by the three-dimensional pattern formed on the surface of the metal decoration 170, UV irradiation to cure the UV solution. Can be (S650).

In one embodiment, when the standard size of the total thickness of the card is around 0.82 mm, when the metal decoration 170 is formed with a thickness of 0.1 mm to 0.55 mm with a weight of 3.75 g of 99.9% gold, the anti-warping layer 130 is The epoxy resin may be provided with a thickness of 0.05 mm to 0.15 mm, and when the depth of the intaglio 172 formed on the surface of the metal decoration 170 is 0.001 mm to 0.15 mm, the thickness of the UV cured layer 180 It can be formed from 0.05mm to 0.15mm.

In addition, the upper coating layer 190 may be formed by coating the upper surface of the UV curing layer 180.

Next, the plastic card sheet is cut along the outline of a plurality of individual cards, and the anti-warping layer 130, the inlay sheet 140, the

print sheets

120 and 150, the UV curing layer 180, and the upper coating layer 190 It is possible to create an individual card including a (S660).

Next, a part of the remaining area of the individual card except the part facing the metal decoration 170 is milled to form a COB insertion area, and the antenna coil is pulled upward through the COB insertion area, and the The COB 101 may be inserted into the COB insertion region while the antenna coil and the COB 101 are in contact (S670).

As shown in FIG. 7, the antenna coil 240 may be wound multiple times along the edge area of the inlay sheet 140, and the central portion on both sides of the short side of the inlay sheet 140 for connection with the COB 101 It can be extended and arranged. In order to prevent the antenna coil 240 from contacting the metal decoration 170 as shown in FIG. 5, the antenna coil 240 extends in the center of the inlay sheet 140 in the long axis direction to form a metal decoration ( The antenna coil 240 may not be disposed in the portion where 170 is formed.

In this drawing, only the above-described elements are described, but the present invention is not limited thereto, and other elements such as a biometric sensor and a display unit for implementing a plastic card with a metal decoration inserted therein may be further added. In addition, the plastic card 100 into which the metal decoration is inserted according to an embodiment of the present invention may be manufactured to fit a standard size and thickness according to a predefined standard, and the size and thickness of each sheet are determined by the operation of the metal card and It can be implemented to be combined by determining the optimum thickness suitable for communication sensitivity.

Furthermore, the sheets constituting the plastic card 100 into which the metal decoration is inserted according to an embodiment of the present invention is not a sheet for making one card, but a large sheet having a size including a plurality of cards to enable mass production. It can be composed of, and can be produced into multiple cards through cutting processing.

The above description of the present invention is for illustrative purposes only, and those of ordinary skill in the art to which the present invention pertains will be able to understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not limiting. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as being distributed may also be implemented in a combined form.

The scope of the present invention is indicated by the claims to be described later, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts should be interpreted as being included in the scope of the present invention.

Claims

As a method of manufacturing a plastic card with a metal decoration inserted,

Preparing an anti-torsion layer;

Forming a plastic card sheet by laminating a laminated sheet in which a plurality of sheets are stacked including an inlay sheet on which an antenna coil is printed on the upper surface of the warp prevention layer;

Forming a groove such that a portion of the warp prevention layer is exposed from an upper surface of the plastic card sheet;

Inserting a metal ornament into the groove; And

After applying a UV solution on the top of the metal decoration, the step of forming a UV cured layer by irradiation with UV; containing, a method for manufacturing a plastic card with a metal decoration inserted.
The method of claim 1,

Forming the UV cured layer,

Applying the UV solution so that the UV solution fills the irregularities caused by the negative and positive angles formed on the metal decoration to form a flat upper surface of the UV cured layer,

The amount of applying the UV solution is determined based on the volume of the intaglio formed on the surface of the metal decoration or the weight change amount of the metal decoration changed by the intaglio.
The method of claim 1,

Preparing the warp prevention layer,

A method of manufacturing a plastic card with a metal decoration inserted to determine the material and thickness of the warp prevention layer according to the composition and thickness of the metal decoration.
The method of claim 1,

Inserting the metal decoration into the groove,

Attaching the metal decoration to the groove by using an adhesive in a region where the metal decoration meets the groove,

The adhesive is provided with an epoxy bond for metal, a method of manufacturing a plastic card in which a metal decoration is inserted.
The method of claim 1,

The step of forming the plastic card sheet,

The inlay sheet is formed on the upper surface of the warp prevention layer, the upper print sheet is formed on the upper surface of the inlay sheet, the middle coating layer coated on the upper surface of the upper print sheet is formed, and the lower printed on the lower surface of the warp prevention layer Forming a print sheet, forming a lower coating layer coated on a lower surface of the lower print sheet, a method of manufacturing a plastic card with a metal decoration inserted.
The method of claim 1,

After the step of forming the UV cured layer,

Cutting the plastic card sheet along an outline of a plurality of individual cards to generate individual cards including the laminated sheet, a UV cured layer, and an upper coating layer;

Forming a COB insertion region by milling a portion of the remaining regions of the individual cards except for the portion facing the metal decoration;

Contacting the COB with the antenna coil pulled up through the COB insertion region; And

Inserting a COB into the COB insertion region; Containing, a method of manufacturing a plastic card with a metal decoration inserted.
A plastic card sheet formed by laminating a laminated sheet obtained by laminating a plurality of sheets including an inlay sheet on which an antenna coil is printed on an upper surface of the warp prevention layer;

A metal decoration inserted into the groove formed from the upper surface of the plastic card sheet to a part of the warp prevention layer; And

Including, a plastic card with a metal decoration inserted; UV cured layer formed on the top of the metal decoration.
The method of claim 7,

The UV cured layer,

After applying a UV solution to fill the irregularities caused by the intaglio formed on the metal decoration, the upper surface of the UV-cured layer is formed flat by irradiating with UV, and the amount of applying the UV solution is an intaglio formed on the surface of the metal decoration The plastic card in which the metal decoration is inserted, which is determined based on the amount of change in the weight of the metal decoration changed by the volume or intaglio.
The method of claim 7,

The anti-torsion layer,

The material and thickness of the anti-warping layer are determined according to the composition and thickness of the metal decoration, and the plastic card in which the metal decoration is inserted.
The method of claim 9,

The anti-torsion layer,

When the metal decoration is provided with a thickness of 0.1 mm to 0.55 mm with a material having a weight of 99.9% gold and a thickness of 0.1 mm to 0.55 mm, the anti-warping layer is an epoxy resin with a thickness of 0.05 mm to 0.15 mm Card.
The method of claim 7,

The plastic card sheet,

The inlay sheet is formed on the upper surface of the warp prevention layer, the upper print sheet is formed on the upper surface of the inlay sheet, the middle coating layer coated on the upper surface of the upper print sheet is formed, and the lower printed on the lower surface of the warp prevention layer A print sheet is formed, and a lower coating layer coated on a lower surface of the lower print sheet is formed.