JPH10203060A - Wireless card - Google Patents

Abstract

(57) [Problem] To improve the connection structure between an antenna pattern mounted on a card body and an LSI chip or a tuning capacitor to simplify a manufacturing process, and to improve an electrical specification and a physical specification. Provide a wireless card that can respond to requests. SOLUTION: The card has a card body 1, an antenna pattern composed of an antenna coil 2 mounted on the card body 1, and an LSI chip 3. Terminals 2a and 2b at the start and end of winding of the antenna coil 2 are connected to the LSI chip 3. It is connected to both sides. As a result, the antenna pattern can be connected to the LSI chip 3 without crossing the antenna pattern, and it is not necessary to provide a through hole as in the conventional example, the manufacturing process can be simplified, and the electrical specifications and physical It can also respond to technical specifications.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless card, and more particularly, to a wireless card suitable for use in, for example, a wireless card for an automatic ticket gate and entry / exit control of employees of a company.

[0002]

2. Description of the Related Art A conventional wireless card 100 will be described with reference to FIGS.

[0003] The wireless card 100 includes a card body 10.
1, an antenna coil 102 mounted on a card body 101, an LSI chip 103 for performing signal processing and the like required for the wireless card 100, and a tuning capacitor 104. LSI chip 103 and tuning capacitor 1
Reference numeral 04 is arranged inside the rectangular pattern of the antenna coil 102.

FIG. 9 shows a square pattern of the antenna coil 102. The pattern has a through hole 105 for bringing the outer coil end of the antenna coil 102 to the inner side. Through hole 10
The formation of 5 requires a complicated process such as a so-called hole process and a plating process for the card body 101.

[0005]

However, in the case of the above-mentioned conventional wireless card 100, the antenna coil 10
A problem arises in the connection method between the LSI chip 103 and the LSI chip 103.

That is, in order to connect the antenna coil 102 to the LSI chip 103 inside the antenna coil 102, as shown in FIG.
Of the antenna coil 1 is dropped to the lower two-layer pattern 107 through the through hole 105 provided in the card body 101 once.
02 through the antenna pattern film 1 through the through hole 105 provided in the card body 101 again.
06, and a step of connecting to the LSI chip 103 by a bonding wire 108 is required.

When the mounting on the card body 101 is taken into consideration, the diameter of the coil used for the antenna coil 102 needs to be small, and in consideration of the printability of the surface of the wireless card, the magnetic stripe, etc. It is difficult to satisfy the physical and physical specifications.

The present invention has been made in view of the above circumstances, and has improved the connection structure between an antenna pattern mounted on a card body and an LSI chip or a tuning capacitor as a circuit element to simplify the manufacturing process. It is an object of the present invention to provide a wireless card capable of meeting the requirements of electrical specifications and physical specifications.

[0009]

A wireless card according to the present invention is connected to a card body, an antenna pattern mounted on the card body, and mounted on the antenna pattern without crossing the antenna pattern. And a circuit element that is provided.

According to the wireless card of the present invention, since the circuit element is mounted on the antenna pattern of the card body and connected without crossing the antenna pattern, a through hole as in the conventional example is provided. In addition, the antenna element can be connected to the circuit element without any problems, the manufacturing process can be simplified, and the electrical and physical specifications required for the wireless card can be met.

According to a second aspect of the present invention, there is provided a card body, an antenna pattern mounted on the card body, and an LSI chip mounted on the antenna pattern and connected without crossing the antenna pattern. It is a feature.

According to the wireless card of the present invention, since the LSI chip is mounted on the antenna pattern of the card body and connected without intersecting the antenna pattern, a through hole as in the conventional example is provided. In addition, the antenna pattern can be connected to the LSI chip, the manufacturing process can be simplified, and the electrical and physical specifications required for the wireless card can be met.

According to a third aspect of the present invention, in the wireless card according to the second aspect, the LSI chip has connection terminals of the LSI chip for the antenna patterns provided on both sides of the LSI chip. I do.

According to a fourth aspect of the present invention, in the wireless card according to the second aspect, the LSI chip has a connection terminal of the LSI chip for the antenna pattern provided on a diagonally arranged portion of the LSI chip. It is a feature.

According to the third and fourth aspects of the present invention, even in the structure in which the connection terminals of the LSI chip for the antenna pattern are provided on both sides and diagonally arranged portions, the antenna can be provided without providing through holes as in the conventional example. The pattern can be connected to the LSI chip, the manufacturing process can be simplified, and the electrical and physical specifications required for the wireless card can be met.

According to a fifth aspect of the present invention, in the wireless card according to the second aspect, a tuning capacitor mounted on the antenna pattern and connected without crossing the antenna pattern is provided. is there.

According to the radio card of the present invention, since the LSI chip and the tuning capacitor are mounted on the antenna pattern and the tuning capacitor is connected without crossing the antenna pattern, the through hole as in the conventional example is provided. The antenna pattern and the tuning capacitor can be connected without the need, the manufacturing process can be simplified, and the electrical and physical specifications required for the wireless card can be met.

According to a sixth aspect of the present invention, in the wireless card of the fifth aspect, the tuning capacitor projects outward from the antenna pattern so as to connect to the tuning capacitor without crossing the antenna pattern. It has connection terminals provided on both sides.

According to the wireless card of the present invention, claim 5
As in the case of the described invention, the tuning capacitor can be connected using the connection terminals provided on both sides protruding outward from the antenna pattern of the tuning capacitor, and the manufacturing can be performed without providing a through hole as in the conventional example. The process can be simplified to meet the electrical and physical specifications required for the wireless card.

According to a seventh aspect of the present invention, in the wireless card according to the second aspect, the LSI chip is mounted at a position of an end region of a long side of the antenna pattern.

According to the wireless card of the present invention, the LS
This LSI chip can be connected to the antenna pattern by a structure in which the I chip is mounted at the position of the end portion of the long side of the antenna pattern, and the manufacturing process can be simplified without providing a through hole unlike the conventional example. It can meet the electrical and physical specifications required for wireless cards.

According to an eighth aspect of the present invention, in the wireless card according to the sixth aspect, the tuning capacitor is mounted at a position of an end region of a long side of the antenna pattern.

According to the wireless card of the present invention, the tuning capacitor can be connected to the antenna pattern by a structure in which the tuning capacitor is mounted at the position of the end portion of the long side of the antenna pattern. The manufacturing process can be simplified without providing a through-hole, and the electrical and physical specifications required for the wireless card can be met.

According to a ninth aspect of the present invention, in the wireless card according to the second aspect, the LSI chip is mounted at a position of an end region on a short side of the antenna pattern.

According to the wireless card of the present invention, the LS
The LSI chip can be connected to the antenna pattern by a structure in which the I chip is mounted at the position of the end portion of the short side of the antenna pattern, and the manufacturing process can be simplified without providing a through hole unlike the conventional example. It can meet the electrical and physical specifications required for wireless cards.

According to a tenth aspect of the present invention, in the wireless card of the sixth aspect, the tuning capacitor is mounted at a position of an end region on a short side of the antenna pattern.

According to the wireless card of the present invention, the tuning capacitor can be connected to the antenna pattern by a structure in which the tuning capacitor is mounted at the position of the end area of the short side of the antenna pattern, and the same as in the conventional example. The manufacturing process can be simplified without providing a through-hole, and the electrical and physical specifications required for the wireless card can be met.

According to an eleventh aspect of the present invention, in the wireless card according to the second aspect, the LSI chip is mounted at a position in a corner area of the antenna pattern.

According to the wireless card of the present invention, the LS
This LSI chip can be connected to the antenna pattern by a structure in which the I chip is mounted at the corner area of the antenna pattern, and the manufacturing process can be simplified without providing a through hole as in the conventional example, and Compatible with electrical and physical specifications required for cards.

According to a twelfth aspect of the present invention, in the wireless card according to the sixth aspect, the tuning capacitor is mounted at a position in a corner area of the antenna pattern.

According to the radio card of the present invention, the tuning capacitor can be connected to the antenna pattern by a structure in which the tuning capacitor is mounted at a position in the corner area of the antenna pattern. Without the provision, the manufacturing process can be simplified, and the electrical and physical specifications required for the wireless card can be met.

[0032]

Embodiments of the present invention will be described below in detail with reference to the drawings.

(Embodiment 1) FIG. 1 is a plan view of a wireless card 1 according to Embodiment 1 of the present invention. The wireless card 1 is mounted on a rectangular card body 1 and mounted on the card body 1. And an LSI chip 3 which is a circuit element for performing signal processing and the like required for the wireless card 1.

The LSI chip 3 is mounted on the antenna pattern of the antenna coil 2 and terminals 2a and 2b at the beginning and end of winding of the antenna pattern are connected to the antenna pattern of the LSI chip 3 as shown in FIG. Each is connected to both sides protruding outward.

By mounting the LSI chip 3 on the antenna pattern of the antenna coil 2 as described above, the L
It can be connected to the SI chip 3 and can omit the complicated through-hole process and plating process as in the conventional example, thereby simplifying the manufacturing process and reducing the cost. Compatible with physical specifications.

As shown in FIG. 3, an LSI chip 3 is mounted on the antenna pattern of the antenna coil 2 and terminals 2a at the start and end of the winding of the antenna pattern are arranged on diagonal lines of the LSI chip 3. 2b may be connected to each other.

Even with such a structure as shown in FIG. 3, the antenna pattern of the antenna coil 2 can be connected to the LSI chip 3 without intersecting, and the complicated through-hole process and plating process as in the conventional example are omitted. As a result, the manufacturing process can be simplified, the cost can be reduced, and the electrical and physical specifications required for the wireless card can be met.

Although not shown, the mounting positions of the antenna coil 2 of the LSI chip 3 with respect to the antenna pattern are as follows: a long side end area, a short side end area in the antenna pattern, a long side and a short side in the antenna pattern. Can be set at various positions such as a corner area where

(Embodiment 2) FIG. 4 shows a wireless card according to Embodiment 2 of the present invention. This wireless card 11 has the same basic structure as the wireless card of Embodiment 1. However, a feature is that a tuning capacitor 5 is added to the configuration of the wireless card of the first embodiment.

The wireless card 11 has a rectangular card body 1, a rectangular antenna pattern of an antenna coil 2 mounted on the card body 1, and circuit elements for performing signal processing and the like required for the wireless card 1. , And a tuning capacitor 5.

The LSI chip 3 and tuning capacitor 5
Are mounted on the rectangular antenna pattern of the antenna coil 2. The winding start and end terminals 2a and 2b of the antenna pattern are connected to both sides of a tuning capacitor 5 projecting outward from the antenna pattern.

By mounting the LSI chip 3 and the tuning capacitor 5 on the antenna pattern of the antenna coil 2 as described above, the tuning capacitor 5 and the LSI
It can be connected to the chip 3 and can omit the complicated through-hole process and plating process as in the conventional example, thereby simplifying the manufacturing process and reducing the cost. It can also respond to technical specifications.

FIGS. 5 to 7 show modified examples of the arrangement of the LSI chip 3 and the tuning capacitor 5 in the wireless card 11. The example shown in FIG.
In addition, the tuning capacitor 5 is arranged in an end region of a long side in the rectangular antenna pattern of the antenna coil 2. In the example shown in FIG. 6, the LSI chip 3 and the tuning capacitor 5 are arranged in an end region of a short side of the rectangular antenna pattern of the antenna coil 2.

Further, the example shown in FIG.
And a case where the tuning capacitor 5 is arranged in a corner region where the long side and the short side intersect in the rectangular antenna pattern of the antenna coil 2.

The structure shown in FIGS. 5 to 7 can be connected to the tuning capacitor 5 and the LSI chip 3 without crossing the antenna patterns of the antenna coil 2 as in the case described above. The complicated through-hole process and plating process as in the example can be omitted, the manufacturing process can be simplified, the cost can be reduced, and the electrical and physical specifications required for the wireless card can be met.

[0046]

According to the first aspect of the present invention, it is possible to connect to a circuit element without crossing an antenna pattern, thereby simplifying the manufacturing process and reducing the cost, and providing the electrical specifications required for a wireless card. A wireless card that can support physical specifications can be provided.

According to the second aspect of the present invention, the antenna pattern can be connected to the LSI chip without crossing the antenna pattern.
It is possible to provide a wireless card which can simplify the manufacturing process and reduce the cost, and can also meet the electrical specifications and physical specifications required for the wireless card.

An LSI as described in the third and fourth aspects.
Depending on the structure of the connection terminals on the chip, it can be connected to circuit elements without crossing the antenna pattern, simplifying the manufacturing process and reducing costs, and meeting the electrical and physical specifications required for wireless cards. Wireless card that can be provided.

According to the fifth aspect of the present invention, the antenna pattern can be connected to the tuning capacitor mounted on the antenna pattern without crossing the antenna pattern, so that the manufacturing process can be simplified, the cost can be reduced, and the requirement for the radio card can be achieved. It is possible to provide a wireless card that can meet the required electrical and physical specifications.

According to the structure of the connection terminal of the tuning capacitor as in the sixth aspect of the present invention, it is possible to connect to both sides of the tuning capacitor mounted on the antenna pattern without crossing the antenna pattern, which also simplifies the manufacturing process. It is possible to provide a wireless card which can achieve high performance and low cost, and which can meet the electrical specifications and physical specifications required for the wireless card.

According to the present invention, the LSI chip and the antenna pattern can be connected without intersecting the antenna patterns depending on the mounting position of the LSI chip with respect to the antenna pattern. It is possible to provide a wireless card which can simplify the configuration and reduce the cost, and can also meet the electrical specifications and physical specifications required for the wireless card.

According to the present invention, the tuning capacitor and the antenna pattern can be connected without intersecting the antenna pattern, depending on the mounting position of the tuning capacitor with respect to the antenna pattern. It is possible to provide a wireless card which can simplify the configuration and reduce the cost, and can also meet the electrical specifications and physical specifications required for the wireless card.

[Brief description of the drawings]

FIG. 1 is a plan view showing a wireless card according to Embodiment 1 of the present invention.

FIG. 2 is an explanatory diagram showing a connection state between an LSI chip and an antenna pattern in the wireless card according to the first embodiment.

FIG. 3 is an explanatory diagram showing another example of a connection state between an LSI chip and an antenna pattern in the wireless card according to the first embodiment.

FIG. 4 is a plan view showing a wireless card according to Embodiment 2 of the present invention.

FIG. 5 is a plan view showing an example of mounting positions of an LSI chip and a tuning capacitor with respect to an antenna pattern in the wireless card according to the second embodiment;

FIG. 6 is a plan view showing another example of mounting positions of an LSI chip and a tuning capacitor with respect to an antenna pattern in the wireless card according to the second embodiment.

FIG. 7 is a plan view showing still another example of mounting positions of the LSI chip and the tuning capacitor with respect to the antenna pattern in the wireless card according to the second embodiment.

FIG. 8 is a plan view showing a conventional wireless card.

FIG. 9 is an explanatory view showing an antenna pan of a conventional wireless card.

FIG. 10 is a schematic sectional view of a conventional wireless card.

[Explanation of symbols]

 1 Card Body 2 Antenna Coil 2a Terminal 2b Terminal 3 LSI Chip 5 Tuning Capacitor 11 Wireless Card

Claims (12)

[Claims] 1. A wireless card comprising a card body, an antenna pattern mounted on the card body, and a circuit element mounted on the antenna pattern and connected without crossing the antenna pattern. 2. A wireless card comprising a card body, an antenna pattern mounted on the card body, and an LSI chip mounted on the antenna pattern and connected without crossing the antenna pattern. 3. An LSI chip for an antenna pattern provided on both sides of the LSI chip.
3. The wireless card according to claim 2, further comprising a chip connection terminal. 4. The wireless card according to claim 2, wherein the LSI chip has a connection terminal of the LSI chip for the antenna pattern provided in a diagonally arranged portion of the LSI chip. 5. The wireless card according to claim 2, further comprising a tuning capacitor mounted on the antenna pattern and connected without crossing the antenna pattern. 6. The tuning capacitor according to claim 1, wherein the tuning capacitor has connection terminals provided on both sides protruding outward from the antenna pattern so as to connect to the tuning capacitor without crossing the antenna pattern. 5. The wireless card according to 5. 7. The wireless card according to claim 2, wherein the LSI chip is mounted at a position in an end region of a long side of the antenna pattern. 8. The wireless card according to claim 6, wherein the tuning capacitor is mounted at a position in an end region of a long side of the antenna pattern. 9. The wireless card according to claim 2, wherein the LSI chip is mounted at a position in an end region of a short side of the antenna pattern. 10. The wireless card according to claim 6, wherein the tuning capacitor is mounted at a position in an end region of a short side of the antenna pattern. 11. The wireless card according to claim 2, wherein the LSI chip is mounted at a position in a corner area of the antenna pattern. 12. The wireless card according to claim 6, wherein the tuning capacitor is mounted at a position in a corner region of the antenna pattern.