JP6612519B2 - RFID tag and container with RFID tag - Google Patents

Description

    The present invention relates to an RFID tag, an antenna label for the RFID tag, a container with the RFID tag, and a method for attaching the RFID tag. In particular, the RFID tag is attached to a container such as a plate used in a rotating sushi restaurant. The present invention relates to an antenna label, a container with an RFID tag, and a method for attaching the RFID tag.

    Conventionally, in rotating sushi restaurants and the like, RFID (Radio Frequency Identification) tags are attached to the back of each plate (sushi plate, container) on which sushi is placed, and contactless data by wireless communication at a predetermined frequency. By enabling communication, it is applied to a product management system for products (sushi) such as a freshness management system (automatic disposal system) and an automatic accounting system.

In general, there are two types of RFID tags used in the above system: those having a large flat plate shape (see FIG. 6) and those having a small flat plate shape (see FIG. 9).
FIG. 6 is a back view of a conventional RFID tag-equipped dish 1 (a container with an RFID tag). The RFID tag-equipped dish 1 includes a dish body 2 made of earthenware or synthetic resin, and a back surface of the dish body 2 (for example, And a large RFID tag 3 formed in a large flat plate shape with a diameter of about 70 to 80 mm, for example, attached to the inner peripheral side of the circular yarn bottom 2A.

The large RFID tag 3 has a large RFID antenna 4 having a diameter (outer diameter) of about 70 to 80 mm, for example, and an IC chip 5 connected to the large RFID antenna 4.
The large RFID antenna 4 has a necessary antenna configuration such as a coiled closed circuit configuration according to the frequency of the radio wave used, for example, according to the HF band (3 MHz to 30 MHz (preferably 13.56 MHz)) Wireless communication with a reader (fixed reader 6 (see also FIG. 7) or portable reader 9 (see also FIG. 8)).
The IC chip 5 stores price and other data related to the product M (sushi and others, FIG. 7) to be provided on the plate body 2, and data and control programs necessary for time management or freshness management.

    FIG. 7 is a schematic side view of a fixed reading section of each RFID tag-equipped dish 1 that has been conveyed on the conveyor rain 7, and is attached by a fixed reader 6 that is attached immediately below the dish 1 with an RFID tag. It is necessary to perform wireless data communication between the large RFID antenna 4 and the IC chip 5 in the large RFID tag 3, recognize the dish 1 with the RFID tag, recognize the freshness of the product M placed thereon, and For example, if it is determined that a predetermined time has elapsed since the start of provision of the product M, this can be discarded (freshness management system).

    Next, FIG. 8 is a schematic side view of the dish 1 with RFID tag superimposed on the table 8 at the time of accounting after the meal is finished, and is carried from the side with respect to the dish 1 with RFID tag superimposed. By moving the reader 9 up and down, the data in each IC chip 5 in each large RFID tag 3 is read to enable collective recognition, and the total number of products M in the respective dishes 1 with RFID tags The price can be totaled (automatic accounting system).

    The large RFID tag 3 in the tray 1 with an RFID tag having such a configuration is a large flat plate shape (as described above, for example, having a diameter of 70 to 70) that covers the entire back surface of the dish body 2 (inner peripheral surface of the yarn bottom 2A). Wireless data communication is good because it is a resin-encapsulated product (about 80 mm), and can take a large reception area of radio waves read from the portable reader 9. On the other hand, the amount of highly durable and expensive double-sided tape used for the bonding is large, and it is difficult to reduce the cost. Furthermore, since it is specialized for sushi dishes, it has low versatility and its size is large, so that it is relatively expensive.

FIG. 9 is a rear view of another type of RFID-tagged dish 10 (a container with an RFID tag), and the RFID-tagged dish 10 is formed into a small flat plate having a diameter (outer diameter) of about 10 to 30 mm, for example. The small RFID tag 11 is attached to the back surface.
The small RFID tag 11 includes a small flat-plate coil-shaped small RFID antenna 13 sealed and protected in a protective material 12 made of resin, and an IC chip 14 connected to the small RFID antenna 13.
Similar to the large RFID tag 3 (FIG. 6) described above, the small RFID tag 11 has a necessary antenna form such as a coil shape according to the frequency of radio waves to be used, and an external reader (fixed reader). 6 (FIG. 7) or portable reader 9 (FIG. 8)). However, since the coil diameter is small, the radio wave reception area is small and the reading distance is short.
If the small RFID tag 11 is a very close distance (relative position) facing the reader (fixed reader 6 (FIG. 7) or portable reader 9 (FIG. 8)) in front, it will read about medium output. Wireless data communication using a machine is possible.

The small RFID tag 11 has a versatility that is not specific to its size and application, and is therefore relatively inexpensive. Modified epoxy adhesives and acrylic glue for attaching to the RFID tag-equipped dish 10 Since a small amount of strong double-sided tape using the tape can be used, the introduction cost can be kept low.
However, as shown in FIG. 7, when the fixed reader 6 can be set relatively close to the small RFID tag 11 in the fixed reading unit, there is no problem in wireless data reading, but FIG. In the state in which the RFID-tagged dish 10 is overlaid at the time of accounting, the overlaid RFID-tagged dish 10 is read from the lateral direction or the oblique direction, that is, the lateral direction that is not suitable for the small RFID tag 11 If the distance is relatively long, or if the distance is relatively large, there is a problem that the output is insufficient and it is difficult to read data.

However, a large-sized flat RFID tag 3 has been introduced especially for the operation of an automatic accounting system in a revolving sushi restaurant that provides sushi with different prices for each plate, not a revolving sushi restaurant with a uniform price. However, when trying to introduce a freshness management system together with an automatic accounting system, both of these systems are not introduced at once. First, a freshness management system using a small RFID tag 11 is introduced, and after confirming the effect, automatic There is also a sushi restaurant that is considering introducing an accounting system.
Therefore, there is a problem that it is expensive to introduce a system using a large flat-plate-like large RFID tag 3 from the first time to a rotary sushi restaurant that plans such an introduction procedure.

    In short, both the RFID tag dish 1 and the large RFID tag 3 or the RFID tag dish 10 and the small RFID tag 11 have advantages and disadvantages in terms of cost, function, etc. First, after the freshness management system is introduced, automatic When an accounting system is introduced or when these systems are introduced at the same time, there is a demand for a container such as an RFID tag or a tray to which the RFID tag is attached so that it can be selected flexibly and without increasing the introduction cost. It came to be.

JP 2010-231390 A

    The present invention has been considered in view of the above problems, and it is an object of the present invention to provide an RFID tag that can be manufactured at low cost, an antenna label for the RFID tag, a container with the RFID tag, and a method for attaching the RFID tag. To do.

    Another object of the present invention is to provide an RFID tag, an antenna label for the RFID tag, a container with the RFID tag, and a method for attaching the RFID tag that can provide flexibility in the introduction process when introducing the commodity management system. To do.

    Moreover, this invention makes it a subject to provide the RFID tag which can be produced according to an introducer's situation, the antenna label for RFID tags, the container with an RFID tag, and the attachment method of an RFID tag.

    That is, the present invention adopts a versatile and inexpensive small RFID tag and focuses on combining this with a booster antenna portion. The first invention is an RFID tag having an RFID antenna and an IC chip. The RFID antenna includes a resonant antenna unit connected to the IC chip and a booster antenna unit separated from the IC chip, and the IC chip is configured as the resonant antenna unit. In addition, a small RFID tag is configured, and the booster antenna unit can be disposed so as to surround the small RFID tag separately from the small RFID tag.

    A second invention is an antenna tag for an RFID tag having an RFID antenna and an IC chip, and is arranged so as to surround a small RFID tag constituted by the IC chip and a resonant antenna portion connected to the IC chip. An antenna label for an RFID tag having a booster antenna portion that constitutes the RFID antenna together with the resonant antenna portion, and the booster antenna portion is formed on a label surface. .

    A third invention is a container with an RFID tag to which an RFID tag having an RFID antenna and an IC chip is attached. The RFID antenna includes a resonant antenna part connected to the IC chip, and the resonant antenna part. The booster antenna unit is separated from the booster antenna unit, and the IC chip forms a small RFID tag together with the resonant antenna unit, and the small RFID tag surrounds the small RFID tag. A container with an RFID tag, which is attached to the container together with a tag.

    A fourth invention is an RFID tag mounting method for mounting an RFID tag having an RFID antenna and an IC chip to a container. The RFID antenna includes a resonant antenna section connected to the IC chip, and the resonant antenna section. And the booster antenna part separated from each other, and the IC chip constitutes a small RFID tag together with the resonant antenna part. After the small RFID tag is attached to the container The RFID tag mounting method is characterized in that the booster antenna portion is mounted on the container together with the small RFID tag so as to surround the small RFID tag.

    The booster antenna portion can be formed in a coil shape, and both ends thereof can be connected to each other.

    The booster antenna portion is formed in a coil shape, and both end portions thereof can be disconnected from each other.

    The booster antenna portion can be formed on the label surface and can be attached so as to surround the small RFID tag.

    The booster antenna unit can be provided as an antenna label.

    In the RFID tag, the RFID tag antenna label, the container with the RFID tag, and the RFID tag mounting method according to the present invention, the RFID antenna is separated from the resonant antenna portion connected to the IC chip and the IC chip. The booster antenna unit is composed of this, and the IC chip forms a small RFID tag together with the resonant antenna unit. The booster antenna unit can be arranged in the vicinity of the small RFID tag separately from the small RFID tag. Therefore, it is possible to construct a system according to the circumstances of the introducer without using an expensive and large flat RFID tag as in the past from the beginning of introduction, and the small RFID tag and the booster antenna unit are both Since this can be manufactured at low cost, the overall cost of the system is low. It can be achieved.

    In particular, according to the RFID tag of the first invention, since a combination configuration of a small RFID tag and a booster antenna unit is adopted, a freshness management system (freshness management) or an automatic accounting system for product management is low-cost. It can be designed with flexibility.

    In particular, according to the antenna label for the RFID tag of the second invention, the booster antenna part that can be arranged so as to surround the resonant antenna part that constitutes the small RFID tag together with the IC chip is formed on the surface of the label. By attaching the antenna label to a necessary part at a necessary timing, an RFID antenna can be configured together with the resonant antenna unit, and a necessary wireless data communication system can be constructed with flexibility.

    In particular, according to the container with an RFID tag of the third invention, the booster antenna part is attached to the container together with the small RFID tag so as to surround the small RFID tag. It can be applied to.

Particularly, according to the RFID tag mounting method of the fourth invention, after mounting the small RFID tag on a container such as a dish, the booster antenna portion is mounted on the container together with the small RFID tag so as to surround the small RFID tag. So, first of all, after adopting and verifying a system using a small RFID tag (freshness management system or automatic disposal system), a system (automatic accounting system) that combines a booster antenna is introduced. Setup can be taken.

It is a bottom view of the RFID tag tray 20 (RFID tag-equipped container) to which the RFID tag 21 and the antenna label 22 for the RFID tag 21 according to the first embodiment of the present invention are attached. 2 is a schematic enlarged cross-sectional view of the antenna label 22. FIG. It is a schematic side view of the RFID tag-equipped plate 20 in a state of being superimposed on the table 8 at the time of accounting after the meal is completed. It is a bottom view of the RFID tag tray 31 (RFID tag-equipped container) to which the RFID tag 31 and the antenna label 32 for the RFID tag 31 according to the second embodiment of the present invention are attached. It is a bottom view of the plate 40 with an RFID tag which shows the modification of the inner window part in the booster antenna part 33 in the same. It is a reverse view of the conventional plate | board 1 with an RFID tag (container with an RFID tag). It is a schematic side view in the fixed reading part of each plate 1 with an RFID tag that has been conveyed on the conveyor rain. It is a schematic side view of the plate 1 with an RFID tag in a state of being superimposed on the table 8 at the time of accounting after the meal ends. It is a back view of the plate 10 with an RFID tag of another type (container with an RFID tag) of the past.

    Since the present invention employs a combination configuration of a small RFID tag having an IC chip and a resonant antenna section and a booster antenna section that can be separately prepared, it is low-cost, depending on the circumstances of the introduction or adoption of a product management system. An RFID tag that can be provided with flexibility, an antenna label for the RFID tag, a container with the RFID tag, and a method for attaching the RFID tag have been realized.

Next, an RFID tag, an antenna label for the RFID tag, a container with an RFID tag (a tray 20 with an RFID tag), and a method for attaching the RFID tag according to the first embodiment of the present invention will be described with reference to FIGS. However, the same parts as those in FIGS. 6 to 9 are denoted by the same reference numerals, and detailed description thereof will be omitted.
FIG. 1 is a bottom view of a tray 20 with an RFID tag. The tray 20 with an RFID tag is attached to the tray body 2 and the bottom surface of the dish body 2 (for example, the inner peripheral side of the circular thread bottom 2A). And a tag 21.

    The RFID tag 21 includes the small flat disk-shaped small RFID tag 11 (FIG. 9) and an antenna label 22.

    FIG. 2 is a schematic enlarged cross-sectional view of the antenna label 22. The antenna label 22 is formed by etching, screen printing, plating, or the like using a conductor such as aluminum or copper on the surface of an annular PET film 23. For example, it has a booster antenna part (auxiliary antenna part or waveguide antenna part) 24 formed in a coil shape by winding at least two or more turns using any method, and both ends thereof are connected to each other by jumper wires 24A By doing so, a closed circuit is configured.

The antenna label 22 has an adhesive layer 25 and a release paper 26 on the upper layer side of the booster antenna unit 24 in FIG. 2, and the release paper 26 is peeled off to form an arbitrary part as an annular booster antenna unit 24, that is, Aside from the small RFID tag 11, it can be attached to the bottom surface of the dish body 2.
That is, the booster antenna part 24 is formed on the surface of the antenna label 22 and can be provided and arranged separately from the small RFID tag 11, and the circular inner window part 27 formed in the center part thereof. It is possible to surround the small RFID tag 11 on the same plane of the bottom surface of the dish body 2 so that the small RFID tag 11 is disposed at any part of the plate body 2.

    The small RFID antenna 13 (FIG. 9) of the small RFID tag 11 is a resonant antenna portion with the booster antenna portion 24, and the RFID tag is composed of the booster antenna portion 24 and the resonant antenna portion (small RFID antenna 13). 21 RFID antennas 28 are formed.

The RFID tag dish 20 and the RFID tag 21 having such a configuration can be used for a freshness management system and an automatic accounting system of goods.
That is, FIG. 3 is a schematic side view of the RFID tag-equipped dish 20 in a state of being superimposed on the table 8 at the time of accounting after the meal is finished, and is relatively large even when the dish body 2 is stacked as shown. Since a sufficient receiving area can be ensured by the booster antenna unit 24, data in the IC chip 14 in the small RFID tag 11 can be collectively read by the portable reader 9.
That is, an induced electromotive force is generated in the booster antenna unit 24 due to radio waves read from the portable reader 9, and the small RFID tag 11 is further electromagnetically coupled between the booster antenna unit 24 and the small RFID antenna 13 of the small RFID tag 11. Data communication as possible.

    In addition, even if the booster antenna unit 24 is relatively large, it can be manufactured as the antenna label 22 and can be provided at a low cost, and does not require a separate adhesive or expensive double-sided tape, and is a small RFID tag. The communication range can be easily expanded by post-attaching to the outer peripheral surface of 11, and the burden of introduction cost can be reduced.

Thus, the RFID antenna 28 is constituted by the resonant antenna portion 13 connected to the IC chip 14 and the booster antenna portion 24 in a state separated from the IC chip 14. The booster antenna portion 24 is a small RFID. Apart from the tag 11, it can be arranged in the vicinity of the small RFID tag 11.
Therefore, it is possible to consider a freshness management system using only the small RFID tag 11 by attaching only the small RFID tag 11 to the container (the plate body 2). That is, since the small RFID tag 11 can be read by the fixed reader 6 arranged close to the fixed reading section below the conveyor rain 7 as shown in FIG. 7, the freshness management system can be verified.

After this verification, the booster antenna unit 24 (antenna label 22) can be attached to the container (the plate body 2) together with the small RFID tag 11 as a post-attached part so as to surround the small RFID tag 11.
Therefore, as shown in FIG. 8, by operating the portable reader 9 from the diagonal direction or the side direction of the plurality of plate bodies 2 stacked on the table 8, the booster antenna unit 24 and the resonant antenna unit 13 are used. The introduction of an automatic accounting system for performing data communication with the IC chip 14 can be realized.
In other words, for a sushi restaurant that is considering introduction of a freshness management system, a freshness management system, and an automatic accounting system one after another, by adopting the small RFID tag 11 that can reduce the introduction cost, the freshness management is performed for the first time. The system and freshness management system can be verified, and the cost risk of system expansion can be reduced by providing only the booster antenna unit 24 as the antenna label 22 when the automatic accounting system is introduced.

    Even as a container, the RFID antenna 28 includes a resonant antenna unit 13 connected to the IC chip 14 and a booster antenna unit 24 in a state separated from the IC chip 14, and surrounds the small RFID tag 11. As described above, since the container with the RFID tag in which the booster antenna unit 24 is arranged is provided, necessary systems can be introduced with flexibility.

In the present invention, the booster antenna portion can be handled only by forming it in a coil shape.
That is, FIG. 4 is a bottom view of the RFID tag-equipped dish 30 according to the second embodiment of the present invention. The RFID tag-equipped dish 30 includes the dish body 2 and the RFID tag attached to the bottom surface of the dish body 2. 31.

    The RFID tag 31 includes the small RFID tag 11 (FIG. 9) and an antenna label 32.

Similarly to the antenna label 22 (FIGS. 1 and 2), the antenna label 32 is a booster antenna portion formed in a coil shape by winding it in a spiral shape with aluminum or copper on the surface of a PET film 23 formed in an annular shape. 33 is different from the booster antenna unit 24 (first embodiment, FIG. 1 and FIG. 2) in that an open circuit is configured by disconnecting both ends thereof.
Furthermore, the booster antenna unit 33 needs to have more coil turns than the booster antenna unit 24, but the other configuration is substantially the same as the booster antenna unit 24.

    The booster antenna unit 33 is formed on the surface of the antenna label 32 and can be provided and arranged separately from the small RFID tag 11. The booster antenna unit 33 is an arbitrary portion of the circular inner window 34 formed at the center thereof. It is possible to surround the small RFID tag 11 on the same plane of the bottom surface of the dish body 2 so that the small RFID tag 11 is disposed at the part.

    The small RFID antenna 13 (FIG. 9) of the small RFID tag 11 is a resonant antenna part with the booster antenna part 33, and the booster antenna part 33 and the resonant antenna part (small RFID antenna 13) make the RFID tag 31. An RFID antenna 35 is configured.

The RFID tag tray 30 and the RFID tag 31 having such a configuration enable data communication with the small RFID tag 11 through the booster antenna unit 33 by the radio waves read from the portable reader 9.
Therefore, even in the state where the plate main bodies 2 as shown in FIG. 3 are stacked, a sufficiently large reception area can be secured by the relatively large booster antenna unit 33, so that the data in the IC chip 14 can be obtained by the portable reader 9. Can be read at once.

    Thus, the small RFID tag 11 is attached to the container (the plate body 2) by the RFID tag-equipped plate 30 and the RFID tag 31 as well as the RFID-tagged plate 20 and the RFID tag 21 (first embodiment, FIG. 1). First, a freshness management system using only the small RFID tag 11 can be considered. That is, since the small RFID tag 11 can be read by the fixed reader 6 in the fixed reading section below the conveyor rain 7 as shown in FIG. 7, the freshness management system can be verified.

After this verification, the booster antenna portion 33 (antenna label 32) can be attached to the container (the plate body 2) together with the small RFID tag 11 as a post-attached part so as to surround the small RFID tag 11.
Therefore, as shown in FIG. 3, by operating the portable reader 9 from the oblique direction or the lateral direction of the plurality of plate bodies 2 stacked on the table 8, the booster antenna unit 33 and the resonant antenna unit 13 are interposed. The introduction of an automatic accounting system for performing data communication with the IC chip 14 can be realized.

In the present invention, the small RFID tag 11 can be arranged at any part of the circular inner window 27 (FIG. 1) in the booster antenna section 24 or the circular inner window 34 (FIG. 4) in the booster antenna 33. However, the shape of the circular inner window portion 27 or the circular inner window portion 34 is also arbitrary.
For example, FIG. 5 is a bottom view of the dish 40 with the RFID tag showing a modification of the inward window part in the booster antenna part 33.
In the RFID tag 41 of the dish 40 with the RFID tag, the RFID tag 41 is the same as the RFID tag 31 (FIG. 4) except that a so-called Dalma type inner window 43 is formed as the inner window of the antenna label 42. The antenna label 42 has the same configuration as the antenna label 32 (FIG. 4), and the booster antenna unit 44 has the same configuration as the booster antenna unit 33 (FIG. 4).

The Dalma-type inner window portion 43 includes a large circular window portion 43A and a small circular window portion 43B that are connected to each other, and the small RFID tag 11 can be positioned in the region of the small circular window portion 43B. In other words, the small RFID tag 11 is disposed in the Dalma-type inner window portion 43 of the coil-shaped booster antenna portion 44 so as to be biased toward the peripheral edge portion (small circular window portion 43B).
In the booster antenna portion 44 in the antenna label 42, the pitch between the conductors constituting the antenna is shortened in the portion adjacent to the small circular window portion 43B, but an external reader (fixed reader 6, portable reader). The wireless data communication with the machine 9) can be executed in the same manner as the RFID tag 31.

    The RFID tag-equipped plate 40 having such a configuration can be used in the same manner as the above-described RFID tag-equipped plate 20 (FIG. 1) and the RFID tag-equipped plate 30 (FIG. 4), but in the inner region of the yarn bottom 2A. When there is a projection 45 generated during some design or molding, the small RFID tag 11 can be attached while avoiding this.

According to the verification by the present applicant, even when the coil shape of the conductor is an open circuit as in the booster antenna unit 33 (second embodiment, FIG. 4) and the booster antenna unit 44 (modified example, FIG. 5) By relatively increasing the number of turns, wireless data communication with an external reader (fixed reader 6, portable reader 9) is possible.
Note that the booster antenna unit 33 (FIG. 4) and the booster antenna unit 44 (FIG. 5) are less expensive because the connecting process of connecting both ends of the coil by the jumper wire 24A (FIG. 1) is unnecessary. It can be manufactured.
On the other hand, the booster antenna part 24 (FIG. 1) in the first embodiment is connected to both ends of the booster antenna 24A by the jumper wire 24A to form a closed circuit. Wireless data communication is possible even with a relatively small number of turns.

The booster antenna unit according to the present invention can adopt a triangular shape, a quadrangular shape, a hexagonal shape, an elliptical shape, or any other form depending on the shape of the container and the like. The number of turns, the cross-sectional shape, and the interval between adjacent conductors are also arbitrary. In addition to the spiral shape, a ring shape, a saddle shape, or a multiple concentric structure can also be adopted as the booster antenna portion.
Further, the present invention is not limited to the plate body 2 and can be applied to the identification management of various containers that store arbitrary articles or commodities.

1 Plate with RFID tag (Figure 6)
2 Plate body (container)
2A Thread bottom of plate body 2 3 Large RFID tag 4 Large RFID antenna 5 IC chip 6 Fixed reader 7 Conveyor rain (FIG. 7)
8 Table (Figure 8)
9 Portable reader 10 Plate with RFID tag (Figure 9)
11 Small RFID tag 12 Protective material 13 Small RFID antenna (resonant antenna part)
14 IC chip 20 Plate with RFID tag (first embodiment, FIG. 1)
21 RFID tag 22 Annular antenna label 23 PET film 24 Booster antenna section 24A Jumper wire 25 of booster antenna section 24 Adhesive layer 26 Release paper 27 Circular inner window formed at the center of the booster antenna section 24 Part 28 RFID antenna 30 Plate with RFID tag (second embodiment, FIG. 4)
31 RFID tag 32 Annular antenna label 33 Booster antenna part 34 Circular inner window part 35 formed at the center of the booster antenna part 33 RFID antenna 40 Plate with RFID tag (modified example, FIG. 5)
41 RFID tag 42 Antenna label 43 Dalma type inner window part 43A formed in booster antenna part 44 Large circular window part 43B of Dalma type inner window part 43 Small circular window part 44 of Dalma type inner window part 43 Booster Antenna portion 45 Protrusion generated during some design or molding provided in the inner region of the yarn bottom 2A (FIG. 5)
M product (Sushi and others, Fig. 7)

Claims (2)

An RFID tag having an RFID antenna and an IC chip,
The RFID antenna comprises a resonance antenna part connected to the IC chip, and a booster antenna part formed in a coil shape separated from the IC chip ,
The IC chip constitutes a small RFID tag together with the resonant antenna part,
The booster antenna unit is separate from the small RFID tag,
The booster antenna part can be provided on the surface of the label as an antenna label.
The booster antenna portion has an inner window portion that can be arranged so as to surround the small RFID tag,
The inner window part is a Dharma-type inner window part composed of a large circular window part and a small circular window part in which circles having different diameters are connected to each other,
An RFID tag, characterized in that a small RFID tag is biased and positioned in an area of a small circular window part of the booster antenna part, and the resonant antenna part and the booster antenna part are brought close to each other .     A container with an RFID tag to which an RFID tag having an RFID antenna and an IC chip is attached,
    The RFID antenna comprises a resonance antenna part connected to the IC chip, and a booster antenna part formed in a coil shape separated from the IC chip,
    The IC chip constitutes a small RFID tag together with the resonant antenna part,
The booster antenna part can be provided on the surface of the label as an antenna label.
The booster antenna portion has an inner window portion that can be arranged so as to surround the small RFID tag,
The inner window part is a Dharma-type inner window part composed of a large circular window part and a small circular window part in which circles having different diameters are connected to each other,
A container with an RFID tag, characterized in that a small RFID tag is biased and positioned in a region of a small circular window portion of the booster antenna portion, and the resonant antenna portion and the booster antenna portion are attached in close proximity to the container. .

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