JP2006011320A - Rfid tag - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an RFID tag which can be collected and recycled without detaching a contactless IC main body part from the RFID tag. <P>SOLUTION: The RFID tag 10 shown in Fig. internally has the contactless IC main body 6 comprising an IC chip 2 where data can be written and erased through wireless communication and an antenna 4, and an RFID tag main body 9 of the RFID tag 10 has an information display surface 8 to display information by printing specified information 12 on one surface and sticking a label 20 coated with an adhesive 14 on the other surface. The RFID tag 10 after being collected displays new information by peeling the label 20 where the old information is displayed from the information display surface 8 and sticking a label 20 where the new information is displayed. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

The present invention relates to an RFID tag including a non-contact IC main body composed of an IC chip and an antenna capable of writing and erasing data by wireless communication, and more particularly to an RFID tag that can be collected and reused.

Conventionally, in product management in manufacturing, distribution, sales, etc., an automatic recognition system using a barcode in which predetermined information is encoded is used. This barcode can instantaneously read predetermined information encoded by a barcode reader. For this reason, for example, merchandise management is performed by attaching a bar code label in which merchandise information is encoded and printed. However, the amount of information that can be encoded by a barcode is limited, a large amount of information cannot be encoded, and information such as writing new information and erasing unnecessary information cannot be updated.

For this reason, recently, a system called automatic recognition by non-contact communication called RFID (Radio Frequency Identification) has attracted attention. In this system, information is stored in an IC chip, an antenna for transmitting and receiving information is connected to the IC chip, and the RFID tag is built in the RFID tag as a non-contact IC body. The non-contact IC body of the RFID tag and the reader / writer antenna communicate with each other by radio waves, exchange data, and update the information stored in the IC chip.

The non-contact IC body of the RFID tag forms a loop coil antenna by transferring copper foil or aluminum foil or printing copper paste or silver paste on one surface of a plastic film or the like. An IC chip is connected to the antenna. Currently, the non-contact IC main body of the RFID tag is in a state of high manufacturing cost, and therefore, it is collected and reused.

However, since the non-contact IC main body is built in the RFID tag, there is a problem that it is very troublesome and troublesome to take out and collect only the non-contact IC main body portion from the RFID tag. Moreover, although the thing which comprised the said non-contact IC main body so that attachment or detachment from the said RFID tag was proposed, there existed a problem that handling of the removed said non-contact IC main body was troublesome.

Assuming that the non-contact IC main body is detachable from the RFID tag, a pocket made of transparent cellophane for inserting the non-contact IC main body into a delivery slip with RFID is provided in the middle of the delivery process. There is the following publication as a delivery slip with RFID in which the non-contact IC main body is removed from the pocket and recycled.

Japanese Unexamined Patent Publication No. 2000-335710.

The present invention has been made in view of the above problems, and it is an object of the present invention to provide an RFID tag that can be reused without collecting the RFID tag and removing the non-contact IC main body portion from the RFID tag. And

In order to solve the above problems, the present invention has the following configurations.
The gist of the invention described in claim 1 is an RFID tag including a non-contact IC body including an IC chip and an antenna capable of writing and erasing data by wireless communication, and the RFID tag body of the RFID tag is information An RFID tag comprising a display surface, and a predetermined information is printed on one surface of the information display surface, and a label coated with an adhesive is attached to the other surface to display the information. About.
According to a second aspect of the invention, the adhesive applied to the other surface of the label is a removable adhesive that can be peeled off from the information display surface of the RFID tag main body. The RFID tag according to claim 1.
The gist of the invention of claim 3 is that at least the information display surface of the RFID tag main body and the label are made of a resin film substrate or a synthetic paper substrate, and the adhesive applied to the other surface of the label is The RFID tag according to claim 1, wherein the RFID tag is a strong adhesive.

  The present invention is an RFID tag including a non-contact IC main body composed of an IC chip and an antenna capable of writing and erasing data by wireless communication, and the RFID tag has a surface for displaying information, and displays this information. Since a predetermined information is printed on one side and a label with an adhesive applied on the other side is attached to the RFID tag to display information, the RFID tag is collected and the RFID tag is The non-contact IC main body can be reused without being taken out.

Next, an RFID tag according to the present invention will be described with reference to FIGS. First, a first embodiment of an RFID tag according to the present invention will be described with reference to FIGS. FIG. 1 is an explanatory diagram of an RFID tag according to the first embodiment, FIG. 2 is a schematic cross-sectional view taken along line AA shown in FIG. 1, and FIG. 3 is a diagram before the label is peeled from the RFID tag according to the first embodiment. FIG. 4 is an explanatory diagram after the label is peeled off from the RFID tag of the first embodiment, FIG. 5 is an explanatory diagram of a newly printed label, and FIG. 6 is an RFID of the first embodiment. It is explanatory drawing which affixed the label newly printed and issued to the tag.

The RFID tag 10 shown in FIGS. 1 and 2 is an RFID tag 10 including a non-contact IC main body 6 including an IC chip 2 and an antenna 4 capable of writing and erasing data by wireless communication. The RFID tag main body 9 includes a surface 8 for displaying information. On the surface 8 for displaying information, a label 20 having predetermined information 12 printed on one surface and an adhesive 14 applied on the other surface is pasted. It is intended to display information.

Each configuration will be described below. The non-contact IC body 6 is a conductive ink that is made by attaching a coil made of a wire such as silver or copper on a film of polyethylene, polypropylene, polyethylene terephthalate, or etching copper or aluminum in a coil shape. A coiled antenna 4 is formed by printing in a coil shape using an IC, etc., and an IC chip 2 provided with a storage unit, a power rectifying unit, a transmitting unit, a receiving unit, etc. is connected to the antenna 4 It is.

The RFID tag main body 9 is configured by including the non-contact IC main body 6 in a base material. The base material composing the RFID tag main body 9 is a resin film base material such as polyethylene, polypropylene, polyethylene terephthalate, polystyrene, polyurethane, or synthetic paper processed by adding a filler to polyethylene or polypropylene to form a fiber like paper. Paper base materials such as base materials, high-quality paper, art paper, and coated paper, and simple substances, laminates, and composite materials thereof can be used.

As the base material constituting the label 20, the same base material as that constituting the RFID tag main body 9 can be used. The predetermined information 12 is printed on one surface of the label 20 by a printer using, for example, a thermal transfer ribbon. The predetermined information 12 may be printed in advance on a fixed display portion by a printing machine, or the thermal recording layer may be provided on the surface of the substrate so that the predetermined information 12 is printed by a printer. The pressure-sensitive adhesive 14 applied to the other surface of the label 20 can be an emulsion-type, solvent-type, hot-melt-type pressure-sensitive adhesive, etc., and the material is arbitrary such as acrylic or rubber-based. It can be formed using an appropriate combination of pressure-sensitive adhesives.

  Information such as a physical distribution code and a serial number is written in the non-contact IC main body 6 built in the RFID tag main body 9 as information for identifying clothing, for example, by an RFID reader / writer (not shown). The label 20 is printed with information such as size and price as information for selling clothing by a label printer (not shown). Then, by sticking the label 20 on the surface 8 of the RFID tag main body 9 on which information is displayed, the RFID tag 10 on which predetermined information is displayed is obtained. For example, such an RFID tag 10 is attached to clothes by passing a thread or nylon pin through a tag hole provided in the center of the end of the RFID tag main body 9 and using the thread or nylon pin.

Next, usage forms of the RFID tag according to the present invention will be described with reference to FIGS. As described above, for example, the RFID tag 10 attached to a garment using a thread or a nylon pin is collected by cutting the thread or the nylon pin and removing it from the garment when the garment is sold. As shown in FIG. 3, the RFID tag 10 that has been removed from the clothes and collected in this way has printed predetermined information 12 that is information for selling clothing from the information display surface 8 of the RFID tag main body 9. The label 20 is peeled off, and the label 20 displaying the sold old information is discarded.

The RFID tag 10 from which the label 20 displaying the sold old information is peeled in this way is in a state where no information is displayed on the surface 8 for displaying information of the RFID tag main body 9 as shown in FIG. . Further, at this stage, the non-contact IC tag main body 6 (not shown) built in the RFID tag main body 9 has information such as a distribution code and a serial number as information for identifying clothing that is already sold. Remains written. However, the information for identifying the clothing of the non-contact IC tag main body 6 can be arbitrarily erased and new information can be written by a reader / writer (not shown). Therefore, as shown in FIG. 4, a state in which no information is displayed on the surface 8 for displaying information of the RFID tag main body 9 is a state in which the RFID tag 10 is collected and can be reused.

The RFID tag 10 that has been collected and can be reused is set in a reader / writer (not shown), and is added to the non-contact IC body 6 built in the RFID tag body 9 as new information for identifying clothing. Information such as a new logistics code and a new serial number. In addition, new information for selling clothing is printed in response to information such as a new logistics code and a new serial number written in the non-contact IC body 6 built in the RFID tag body 9. The printed label is issued by a label printer (not shown). The label 20 shown in FIG. 5 is printed with new information for selling the clothing. The label 20 is printed with predetermined information 12 such as a product number, size, color, barcode, price, etc. as information for selling clothing on one side, an adhesive is applied on the other side, and the release paper 19 It is temporarily attached to the peeling-treated surface.

In this way, the label 20 on which new information for selling clothing is printed is peeled off from the release paper 19 and attached to the RFID tag main body 9 containing the non-contact IC main body 6 on which the new information is written. Worn. In the RFID tag 10 shown in FIG. 6, information such as a new physical distribution code and a new serial number is written as information for identifying clothing in a non-contact IC main body 6 (not shown) built in the RFID tag main body 9. A label 20 on which new predetermined information 12 for selling clothing corresponding to the new information is printed is attached to the information display surface 8 of the RFID tag main body 9.

As described above, the RFID tag 10 according to the present invention is removed from the clothes and collected at the time of sale. Next, the label 20 displaying the sold old information is peeled off from the information display surface 8 of the RFID tag main body 9 and discarded. Next, information such as a new physical distribution code and a new serial number is written as information for identifying clothing into the non-contact IC main body 6 built in the RFID tag main body 9 by the reader / writer. Next, new predetermined information 12 for selling clothing is printed on one side of the label 20 by the label printer. Then, the RFID tag 10 is recovered and reused by sticking the label 20 on the information display surface 8 of the RFID tag main body 9.

Next, a second embodiment of the RFID tag according to the present invention will be described with reference to FIG. FIG. 7 is a schematic cross-sectional view illustrating an RFID tag according to the second embodiment. In the following embodiments, the same parts as those in the first embodiment described above are denoted by the same reference numerals, and detailed description thereof is omitted.

In the second embodiment of the RFID tag according to the present invention, the adhesive applied to the other surface of the label 20 is a releasable adhesive that can be peeled off from the surface 8 displaying information of the RFID tag body 9. Agent 15. The RFID tag main body 9 of the RFID tag 10 shown in FIG. 7 has a surface 8 for displaying information. On the surface 8 for displaying information, predetermined information 12 is printed on one surface, and a releasable adhesive on the other surface. The information is displayed by attaching a label 20 coated with 15.

The re-peelable pressure-sensitive adhesive 15 is a solvent-type acrylic pressure-sensitive adhesive or emulsion-type acrylic pressure-sensitive adhesive in which a cohesive force of the pressure-sensitive adhesive is increased by blending an acrylic pressure-sensitive adhesive with elasticity, and has elasticity and cushioning properties. An elastic microsphere-containing emulsion-type acrylic pressure-sensitive adhesive in which microspheres are mixed and added to the pressure-sensitive adhesive and the contact area is reduced by the uneven shape of the elastic microspheres can be used.

By using such a re-peelable adhesive 15, for example, the label 20 displaying the sold old information can be easily peeled off from the information display surface 8 of the RFID tag main body 9, and new information can be obtained. The displayed label 20 can be replaced.

Next, a third embodiment of the RFID tag according to the present invention will be described with reference to FIG. FIG. 8 is a schematic cross-sectional view illustrating an RFID tag according to the third embodiment.

In the third embodiment of the RFID tag according to the present invention, at least the information display surface 18 of the RFID tag main body 9 and the label 21 are made of a resin film base material or a synthetic paper base material. The adhesive applied to the surface is a strong adhesive 16. The RFID tag main body 9 of the RFID tag 10 shown in FIG. 8 includes a surface 18 for displaying information. On the surface 18 for displaying information, predetermined information 12 is printed on one side, and a strong adhesive 16 is printed on the other side. The applied label 21 is attached to display information.

At least the information display surface 18 and the label 21 of the RFID tag main body 9 are made of a resin film substrate such as polyethylene, polypropylene, polyethylene terephthalate, polystyrene, polyurethane, or a paper by adding a filler to polyethylene, polypropylene, or the like. Synthetic paper bases processed into simple fibers, and simple substances, laminates, and composites thereof can be used.

By using a resin film substrate or a synthetic paper substrate having a high surface strength for at least the surface 18 for displaying information of the RFID tag main body 9, for example, a label displaying old information already sold from the surface 18 for displaying this information. When peeling 21, the label 21 can be easily peeled without tearing the surface 18 displaying this information. These resin film base material or synthetic paper base material may be used on at least the information display surface 18 of the RFID tag main body 9, and the RFID tag main body 9 is formed of a paper base material on one surface. The surface 18 on which information is displayed by bonding a resin film substrate or a synthetic paper substrate may be used. Of course, the RFID tag main body 9 may be formed of a resin film substrate or a synthetic paper substrate.

Similarly to the information display surface 18, the label 21 is peeled from the information display surface 18 by using a resin film base material or a synthetic paper base material having a strong overall base material for the label 21. At this time, the label 21 can be easily peeled without tearing. As described above, the label 21 is applied to one surface of the label 21 because it does not tear when the label 21 is peeled off from the surface 18 for displaying information by using a resin film substrate or a synthetic paper substrate. As the pressure-sensitive adhesive, it is possible to use the strong pressure-sensitive adhesive 16 having an adhesive force that is difficult to peel off after being once bonded.

In this way, by forming the adhesive applied to one surface of the label 21 with the strong adhesive 16, it is difficult to peel off the label 21 once adhered to the information display surface 18 of the RFID main body 9. Can be glued to the state. Further, the label 21 is separated from the information display surface 18 by forming at least the information display surface 18 and the label 21 of the RFID tag main body 9 from a resin film base material or a synthetic paper base material. In addition, the label 21 can be easily peeled off without causing any tear on any of the information display surfaces 18 and can be replaced with the label 21 displaying new information.

  In addition, this invention is not limited to the said embodiment, Embodiment can be changed suitably in the range of the technical idea of this invention. In addition, the number, position, shape, and the like of the constituent members are not limited to the above-described embodiment, and can be set to a suitable number, position, shape, and the like in practicing the present invention.

It is explanatory drawing of the RFID tag of 1st Embodiment. FIG. 2 is a schematic sectional view taken along line II-II shown in FIG. 1. It is explanatory drawing before peeling a label from the RFID tag of 1st Embodiment. It is explanatory drawing after peeling a label from the RFID tag of 1st Embodiment. It is explanatory drawing of the label newly printed and issued. It is explanatory drawing which affixed the label newly printed and issued to the RFID tag of 1st Embodiment. It is a schematic sectional drawing explaining the RFID tag of 2nd Embodiment. It is a schematic sectional drawing explaining the RFID tag of 3rd Embodiment.

Explanation of symbols

2 IC chip 4 Antenna 6 Non-contact IC body 8, 18 Information display surface 9 RFID tag body 10 RFID tag 12 Predetermined information 14 Adhesive 15 Removable adhesive 16 Strong adhesive 19 Release paper 20, 21 Label

Claims (3)

An RFID tag including a non-contact IC main body composed of an IC chip and an antenna capable of writing and erasing data by wireless communication. The RFID tag main body of the RFID tag has a surface for displaying information, and displays the information. An RFID tag characterized in that predetermined information is printed on one side and a label with an adhesive applied on the other side is attached to display information. 2. The RFID tag according to claim 1, wherein the adhesive applied to the other surface of the label is a removable adhesive that can be peeled off from the information display surface of the RFID tag main body. The at least information display surface of the RFID tag main body and the label are made of a resin film substrate or a synthetic paper substrate, and the adhesive applied to the other surface of the label is a strong adhesive. Item 1. The RFID tag according to Item 1.

Images