KR200440089Y1 - Rfid card - Google Patents

Abstract

The present invention relates to an RFID card, comprising: an antenna coil wound in a large concentric circle, and a first RF function unit formed by a chip connected to the antenna coil and positioned outside the antenna coil; A second RF function unit disposed inside a large concentric circle of the antenna coil of the first RF function unit, the antenna coil wound in a small concentric circle, and a chip located inside the antenna coil and connected to the chip; A mounting substrate positioned above the first RF function unit and the second RF function unit, and having a chip mounting hole and a coil mounting hole for mounting the chip and antenna coil; A protective substrate positioned below the mounting substrate and protecting the first RF function portion and the second RF function portion from below; Located on the upper side of the mounting substrate, and comprises a transparent or semi-transparent printing sheet printed with a logo or card number, and is also located on the outside of the first RF function portion, but wound in a rectangular shape so as to be located on the outside of the mounting substrate. And an antenna coil and a third RF function by a chip which is located inside the antenna coil and connected to the antenna coil, and further forms chip mounting holes and coil mounting holes for mounting chips and antenna coils on the mounting substrate. The structure is characterized by its technical features.

Description

RFID Card {RFID CARD}

1 is a view showing an embodiment of a conventional RF card.

2 is a view showing another embodiment of the conventional RF card.

Figure 3 is an exploded perspective view showing the RF ID card according to an embodiment of the present invention.

4 is a cross-sectional view of the assembled state of FIG.

5 is an exploded perspective view showing an RFID card according to another embodiment of the present invention.

6 is a cross-sectional view of the assembled state of FIG.

Explanation of symbols on the main parts of the drawings

110: first RF function unit 120: second RF function unit

130: mounting board 131,131 ': chip mounting hole

132,132 ': Coil mounting hole 133,133': Short circuit prevention groove

140: protective substrate 150: printing sheet

160: third RF function unit 111, 121, 161: antenna coil

111a, 121a, 161a: connection portion 112, 122, 162: chip

The present invention relates to a RFID card, and more particularly, to solve a traffic card, a credit card and various other transactions with a single card, and to prevent damage to antenna coils and chips and to short-circuit the connections and contacts between them. It relates to an RFID card that can solve the problem.

In general, the RFID card is a wireless recognition technology applied to the card to transmit and receive the information of the card wirelessly by using a frequency, such as a credit card or cash card for transportation or financial products for the subway or bus It is already used in daily life, and it can process information wirelessly, and it has a great advantage of contactlessness and can store a large amount of information, and has high security and provides convenience for use.

Looking at one embodiment of the conventional RFID card, as shown in Figure 1, the roof antenna 12 is installed outside the upper surface, the RFID chip 13 is stored and the information is wireless communication is connected to the loop antenna 12 A chip exposure hole 14a for exposing the RFID chip 13 installed on the main substrate 11 and the main substrate 11 and stacked on the main substrate 11 is formed, and an advertising printing surface ( A first sub substrate 14 having a first substrate 14, a second sub substrate 15 laminated on a lower side of the main substrate 11, and having an advertising printing surface (not shown) on a lower surface thereof; It is laminated on the upper and lower sides of the two sub-substrates 14 and 15, and consists of transparent films 17 and 18 for protecting the printing surface.

However, the conventional RFID card having the configuration as shown in FIG. 1 has a disadvantage in that its functionality cannot be variously provided by providing a loop antenna and an RFID chip for wireless information transactions, that is, as a traffic card or a credit card. There is a problem that must be equipped with a separate card having each of the functionalities as the inconvenience that can not be used only a single function.

In addition, referring to another embodiment of the conventional RFID card, as shown in Figure 2, a low-frequency antenna wound oval on one side of the upper surface of the circuit board body 20 formed between the upper protective plate 10 and the lower protective plate 50 The coil 41 and the IC combination chip 40 connected thereto are disposed, and the high frequency antenna coil 31 wound around the upper surface of the circuit board body 20 and the IC temic chip 30 connected thereto are disposed. It consists of a configuration.

In this case, a chip exposure hole 11 for exposing the IC temic chip 30 is formed at a corresponding position in the upper protective plate 10, and the combi chip 40 has a built-in arithmetic function and the temic chip 30. ) Has a simple memory function and is configured to operate in different frequency bands.

Then, the circuit board main body 20 is laminated between the upper protective plate 10 and the lower protective plate 50 to be laminated by heating and pressing through a press.

However, in the conventional RFID card having the configuration as shown in FIG. 2, the chips 30 and 40 and the antenna coils 31 and 41 are laminated by heat and pressing force in a state in which the chip 30 and 40 are protruded on the upper surface of the circuit board body 20. There was a problem that the connection portion and the contact between the antenna coil 31, 41 and the chip 30, 40 is easily shorted or the antenna coil and chip are broken.

The present invention was created in view of the above problems, and its purpose is to allow a plurality of antenna coil and chip assemblies to be arranged in a single card through an efficient structure design, and through this, a traffic card, a credit card, RFID allows to solve various other transactions with one card and to prevent breakage of antenna coils and chips and short circuits between contacts and contacts when combining components by heat and pressure. To provide the card.

In other words, to provide an ease of use and to minimize the occurrence of defects to provide an RFID card.

The present invention for achieving the above object and the first RF function unit by the antenna coil wound in a large (concentric) circle and a chip connected to the outside of the antenna coil; A second RF function unit disposed inside a large concentric circle of the antenna coil of the first RF function unit, the antenna coil wound in a small concentric circle, and a chip located inside the antenna coil and connected to the chip; A mounting substrate positioned above the first RF function unit and the second RF function unit, and having a chip mounting hole for mounting the chip; A protective substrate positioned below the mounting substrate and protecting the first RF function portion and the second RF function portion from below; Located on the upper side of the mounting substrate, characterized in that it comprises a transparent or translucent printing sheet printed with a logo or card number.

In addition, further provided with an antenna coil wound in a quadrangular shape to be located on the outside of the first RF function portion and located outside the mounting substrate, and a third RF function portion by a chip connected to the inside of the antenna coil, the said It is characterized in that the chip mounting hole for mounting the chip on the mounting substrate further formed.

At this time, the mounting substrate is characterized in that to further form a coil mounting hole for mounting the antenna coil.

In addition, a short circuit prevention groove is formed on the bottom surface of the mounting substrate to connect the chip mounting hole and the coil mounting hole so that the connecting portion connecting the antenna coil and the chip is inserted.

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

Figure 3 is an exploded perspective view showing an RF ID card according to an embodiment of the present invention, Figure 4 is an assembled cross-sectional view of Figure 3, Figure 5 is an exploded perspective view showing an RF ID card according to another embodiment of the present invention. 6 is a cross-sectional view of the assembled state of FIG.

As shown in FIGS. 3 and 4, an RFID card according to an embodiment of the present invention includes a first antenna coil 111 wound around a large concentric circle and the first antenna coil 111. It is disposed inside a large concentric circle of the first RF function unit 110 and the first antenna coil 111 of the first RF function unit 110 by the first chip 112 which is positioned outside and connected. Small second coil coil 121 wound in a concentric circle and the second RF function unit 120 by the second chip 122 is located inside the second antenna coil 121 and connected, and the first A first chip mounting hole 131a positioned above the RF function unit 110 and the second RF function unit 120 to mount the first chip 112 and the second chip 122; The mounting board 130 having the second chip mounting hole 131b and the mounting board 130 are positioned below the first PCB function unit 110 and the second RF function unit 120. Protect while protecting Comprises a plate 140 with the transparent sheet or print 150 of the semi-transparent and located on an upper side of the card, such as a logo or numbering of the printed circuit board 130.

In this case, a first chip mounting hole 131a and a second chip mounting hole 131b, together with a first antenna coil 111 and a second antenna coil 121, are mounted on the mounting substrate 130. The coil mounting hole 132a and the second coil mounting hole 132b may be further formed.

In addition, the mounting substrate 130 has a first short circuit preventing groove 133a and a second chip mounting hole connecting the first chip mounting hole 131a and the first coil mounting hole 132a to the bottom surface thereof. First connection portions (connecting) between the first antenna coil 111 and the first chip 112 by forming second short-circuit preventing grooves 133b connecting the 131b and the second coil mounting hole 132b, respectively. The coil 111a and the second antenna coil 121 and the second connecting portion (connecting coil) 121a for connecting between the second chip 122 are preferably configured to be inserted and arranged, which is constituted by heat and pressing force. The first connection part 111a and the second connection part 121a are protected when the elements are coupled to prevent the connection part from being easily shorted so that the contact state can be maintained well.

Although not shown, a protective substrate or a protective sheet of a plate may be provided between the mounting substrate 130 and the printing sheet 150, and the printing sheet is further stacked below the protective substrate 140. You may.

5 and 6, the third RF function unit 160 may be further configured to provide a multifunctional card in the above-described configuration. The third antenna coil 161 and the third antenna coil 161 which is positioned outside the first RF function unit 110 but wound in a quadrangular shape so as to be positioned outside the mounting substrate 130, and are located inside the third antenna coil 161. The third chip 162 is connected by the third connector 161a.

In this case, as the third RF function unit 160 is further provided, a third chip mounting hole 131c for mounting the third chip 162 on the outer side of the mounting substrate 130 is further added to correspond to the shape arrangement. And a third coil mounting hole 132c for mounting the third antenna coil 161 is further formed, and the third chip mounting hole 131c and the third coil are formed on the lower surface thereof. The third short circuit preventing groove 133c connecting between the mounting holes 132c is further formed to insert and insert the third connection part 161a connecting the third antenna coil 161 and the third chip 162. .

Here, the first chip 112 of the first RF function unit 110, the second chip 122 of the second RF function unit 120, and the third chip 162 of the third RF function unit 160. Allow each to use a different frequency band, one functioning as a transportation card or credit card, the other functioning as an access control card for a company, apartment, or house, and the other for membership of a mart or theater. It can be configured to function as a card and to perform a plurality of functions with one card.

The RFID card according to the present invention having such a configuration has a protective substrate 140, a first RF function 110 and a second RF function 120, a mounting board 130, and a printing sheet 150 from the lower side to the upper side. ) Or a protective substrate 140, the first RF functional unit 110 and the second RF functional unit 120 and the third RF functional unit 160, the mounting substrate 130, the printing sheet 150 ) And laminating and bonding by heating and pressurizing them in order to sequentially stack and combine them, and the first RF function unit 110, the second RF function unit 120, and the third RF function unit 160. Each can be mounted on the mounting substrate 130.

In this case, the first to third antenna coils 111, 121, 161 and the first to third chips 112, 122, and 162 respectively correspond to the first to third coil mounting holes formed on the mounting substrate. 132a, 132b, 132c and the first to third chip mounting holes 131a, 131b, 131c are inserted and disposed, the coil of the coil to connect each antenna coil and the corresponding chip to contact Since the first to third connection parts 111a, 121a, and 161a are inserted into and protected in the first to third short circuit preventing grooves 133a, 133b, and 133c formed on the bottom surface of the mounting board 130, the lamination bonding is performed. There is no pressing due to pressurization and it can be excluded from the influence of pressurization.

In addition, the present invention is one card by arranging the first RF function unit 110, the second RF function unit 120 and the third RF function unit 130 all on one plane through an efficient structure design It can be easily used as a multi-function card while having the advantage of minimizing the formation thickness of the card.

On the other hand, the RF eye card according to the present invention has been described with reference to the specific embodiments and the accompanying drawings as described above, but can not be limited to this in particular, various modifications within the similar category for the technical spirit of the present invention It will be obvious that it can be modified.

As described above, according to the RF ID card according to the present invention, by applying the antenna coil and the chip assembly to be arranged in a plurality of cards through an efficient structure design, it is possible to manufacture a card having a multifunction, but the thickness of the card Can be minimized, and various transactions can be performed with a single card, thereby providing convenience for use.

In addition, by mounting a plurality of antenna coil and chip assembly through the hole, and the antenna coil and the chip-to-chip connecting portion is inserted and arranged through the groove to protect the antenna coil mounted from the pressing due to the pressing during lamination by heating and pressing In addition to preventing damage to the chip connected thereto, the short circuit of the coil side connection part and the disconnection of the contact point can be solved, thereby minimizing the occurrence of defects.

Claims (4)

In the RFID card that enables the contactless information transaction through the configuration of the antenna coil and the chip connected thereto, The first antenna coil 111 wound in a large concentric circle and the first chip 112 positioned outside the first antenna coil 111 and connected through the first connector 111a of the first antenna coil 111. By first RF function unit 110 and; The second antenna coil 121 disposed inside the large concentric circle of the first antenna coil 111 of the first RF function unit 110 and wound around the small concentric circle, and the second antenna coil 121 of the second antenna coil 121. A second RF function unit 120 positioned by an inner side of the second chip 122 connected to the second antenna coil through a second connecting portion 121a; First chip mounting holes 131a positioned above the first RF function unit 110 and the second RF function unit 120 to mount the first chip 112 and the second chip 122. And a first coil mounting hole 132a and a second coil mounting hole 132b for forming a second chip mounting hole 131b and mounting the first antenna coil 111 and the second antenna coil 121. A mounting substrate 130 formed; A protective substrate 140 positioned below the mounting substrate 130 to protect the first RF function unit 110 and the second RF function unit 120 from below; Located on the mounting substrate 130, the RFID card, characterized in that it comprises a transparent or semi-transparent printing sheet 150 is printed logo or card number. In the RFID card that enables the contactless information transaction through the configuration of the antenna coil and the chip connected thereto, The first antenna coil 111 wound in a large concentric circle and the first chip 112 positioned outside the first antenna coil 111 and connected through the first connector 111a of the first antenna coil 111. By first RF function unit 110 and; The second antenna coil 121 disposed inside the large concentric circle of the first antenna coil 111 of the first RF function unit 110 and wound around the small concentric circle, and the second antenna coil 121 of the second antenna coil 121. A second RF function unit 120 positioned by an inner side of the second chip 122 connected to the second antenna coil through a second connecting portion 121a; The third antenna coil 161 and the third antenna coil 161 which are positioned outside the first RF function unit 110 and are wound in a quadrangular shape so as to be positioned outside the mounting substrate 130 described below. A third RF function unit 160 positioned by the third chip 162 located inside and connected to the third antenna coil via a third connector 161a; Located above the first RF function unit 110, the second RF function unit 120, and the third RF function unit 160, the first to third chips 112, 122, and 162. First chip mounting holes to third chip mounting holes 131a, 131b, and 131c for mounting the first chip mounting holes 131a, 131b and 131c, and for mounting the first antenna coils to the third antenna coils 111, 121 and 161. A mounting substrate 130 on which first coil mounting holes to third coil mounting holes 132a, 132b, and 132c are formed; Located on the lower side of the mounting substrate 130, the protective substrate 140 to protect the first RF function unit 110, the second RF function unit 120 and the third RF function unit 160 while protecting from below. )and; Located on the mounting substrate 130, the RFID card, characterized in that it comprises a transparent or semi-transparent printing sheet 150 is printed logo or card number. The method according to claim 1 or 2, The mounting board 130 is connected between the first chip mounting hole 131a and the first coil mounting hole 132a and between the second chip mounting hole 131b and the second coil mounting hole 132b on the bottom surface thereof. First and second short circuit preventing grooves 133a and 133b, and the third chip mounting hole 131c and the third coil mounting hole 132c are formed. A third short circuit preventing groove 133c is formed to connect the third coil mounting hole 132c to insert the first connecting portion 111a, the second connecting portion 111b, and the third connecting portion 161a at corresponding positions. RF ID card, characterized in that configured to be arranged. delete

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