JP2016170576A - Rfid label - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an RFID label that has a simple structure, and is able to separate an antenna section of an RFID from a metal article to which the RFID label is attached and secure sufficient communication distance.SOLUTION: An RFID label 1 is manufactured by pasting a flexible exterior material 3 to an inlet 2 in which an RFID chip is electrically connected with a communication antenna with the outside provided on a circuit board from its front side and rear side. The RFID label comprises a portion where the inlet is included and another portion where the inlet is not included extending from the portion. One surface of the surfaces of the exterior material at the other portion where the inlet is not included comprises adhesive means 4.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an RFID label having an RFID including an IC chip and an antenna capable of reading and writing data without contact.

  RFID technology that can write data to an IC chip in a non-contact manner and can read data in reverse has been widely used.

  Since RFID technology is a technology that performs radio communication using electromagnetic waves, such objects are attached to materials that are either highly conductive or have high magnetic permeability, such as metal. Since the intensity of the electromagnetic wave on the surface of the surface is significantly weakened, it has a weak point that communication with a practically sufficient communication distance cannot be performed. For example, as shown in FIG. 5, a conventional RFID label 10 manufactured by mounting an RFID chip on a circuit board on which an antenna is formed and bonding an exterior material 30 to the front and back surfaces of an inlet 20 electrically connected to the chip. Is attached to the surface of a metal or the like, the electromagnetic wave used for wireless communication is weakened by the metal, and communication with an external communication device cannot be performed.

  As a technology for overcoming such weaknesses of RFID technology, for example, in Patent Document 1, a high radio frequency corresponding to high-speed communication is used, and a solid material protected by a metal material without being affected by the metal material. As a metal-embedded RFID tag and a metal-integrated RFID tag that can secure a sufficient communicable distance using an RFID tag, an RFID chip, an inlet including an antenna connected to the RFID chip, and a tag main body including the inlet A metal-compatible RFID tag including a metal holder having a holder slot portion in which is embedded is disclosed. However, this technique requires a design change if the object is different, and there is a problem of high cost.

  Patent Document 2 discloses an RFID label on which an RFID label obtained by processing an RFID can be attached so as not to be incapable of communication due to the influence of the material and contents (metal, moisture, etc.) of a container or the like as an attachment object. In an RFID label in which an IC chip for storing data and an antenna for transmitting and receiving data without contact using electromagnetic waves are attached to an object to be attached, an adhesive is applied to the back surface. There is disclosed an RFID label that includes a pasting portion that is pasted on a pasting target and a projecting portion that has a polygonal column shape that holds the RFID and projects away from the pasting portion. However, this technique has a problem that it is necessary to produce a projecting portion having a polygonal column shape, the manufacturing process is complicated, and the cost is high.

  In Patent Document 3, an antenna layer, an electrically insulating spacer layer, and soft magnetic powder are mixed in an organic binder as an RFID that can secure a sufficient communication distance even when installed on a metal object such as a metal container wall. The radio wave absorption layer made of magnetic material and the radio wave reflection layer made of metal thin film are laminated in this order, so that the radio wave reflected by the radio wave reflection layer is absorbed by the radio wave absorption layer, so that sufficient communication is achieved. An RFID tag capable of securing a distance is disclosed. However, this technique has a multilayer structure, and has a long manufacturing process and high cost.

As exemplified above, in the prior art, in order to secure a sufficient communicable distance by installing RFID on the surface of an object such as metal, a method of separating a certain distance between the RFID antenna and the metal article, Special measures were taken to prevent radio waves from being reflected from the surface of metal articles. As a result, the entire RFID is thick and the structure is complicated, resulting in problems such as an increase in weight and design limitations, and a high cost.

JP 2007-135138 A JP 2007-172369 A JP 2010-72957 A

  In view of the above problems, the present invention provides an RFID label that has a simple structure, can separate an RFID antenna portion from a metal article to be attached, and can secure a sufficient communication distance. Let it be an issue.

As a means for solving the above-mentioned problems, the invention according to claim 1 is characterized in that a flexible exterior material is provided from the front and back to an inlet in which an RFID chip and an external communication antenna provided on a circuit board are electrically connected. RFID label produced by pasting together,
The RFID label is composed of a part in which the inlet is included and a part in which the inlet is not included in an extending manner.
The RFID label is characterized in that an adhesive means is provided on one surface of the exterior material surface of a portion where the inlet is not included.

Further, the invention according to claim 2 is an RFID manufactured by bonding a flexible exterior material from the front and back to an inlet electrically connected to an RFID chip and an external communication antenna provided on a circuit board. A label,
The RFID label is composed of a part in which the inlet is included and a part in which the inlet is not included in an extending manner.
The part where the inlet is not included is provided with one bent part, and an adhesive means is provided on the outer surface side of the part opposite to the part where the inlet is included with reference to the bent part. The RFID label is characterized by the above.

The invention described in claim 3 is an RFID manufactured by bonding a flexible exterior material from the front and back to an inlet electrically connected to an RFID chip and an external communication antenna provided on a circuit board. A label,
The RFID label is composed of a part in which the inlet is included and a part in which the inlet is not included in an extending manner.
The part that does not contain the inlet is provided with a plurality of bent parts that enable bellows folding, and is opposite to the part that contains the inlet when viewed from the bent part near the end. The RFID label is characterized in that an adhesive means is provided on the outer surface side of the side portion.

According to a fourth aspect of the present invention, there is provided an RFID produced by bonding a flexible exterior material from the front and back to an inlet electrically connected to an RFID antenna and an external communication antenna provided on a circuit board. A label,
The RFID label is composed of a part containing the inlet and a part not containing the inlet.
The RFID label is characterized in that a portion where the inlet is not included is connected to form an annular shape, and an adhesive means is provided outside the RFID label facing the portion where the inlet is included.

  According to the RFID label of the present invention, the antenna part of the RFID label can be separated from a metal article or the like to be attached with a simple configuration, and a sufficient communication distance can be secured.

It is the schematic which shows an example of embodiment of the RFID label of this invention, (a) is a bird's-eye view, (b) is sectional drawing of (a), (c) is the site | part provided with the adhesion means in (b). It is sectional drawing which shows the state which curved. It is the schematic which shows an example of embodiment of the RFID label of this invention, (a) is an overhead view, (b) is sectional drawing of (a). BRIEF DESCRIPTION OF THE DRAWINGS It is the schematic which shows an example of embodiment of the RFID label of this invention, (a) is sectional drawing in case there exist two bent parts in the site | part in which an inlet is not included, (b) is four bent parts It is sectional drawing in the case of having. It is the schematic which shows an example of embodiment of the RFID label of this invention, and is sectional drawing when the site | part which does not include an inlet is connected and it becomes an annular | circular shape. It is a schematic sectional drawing which shows an example of embodiment of the conventional RFID label.

An embodiment of the RFID label of the present invention will be described.
<First embodiment>
The first embodiment of the RFID label of the present invention is manufactured by bonding a flexible exterior material from the front and back to an inlet electrically connected to an RFID chip and an external communication antenna provided on a circuit board. The RFID label is composed of a part in which the inlet is included and a part in which the inlet is not included in a shape extending to the part, and the exterior material of the part in which the inlet is not included It is characterized in that an adhesive means is provided on one surface of the surface.
The following description is made with reference to FIG. 1, but is not limited to this figure. The same applies to the following description using the drawings.

  FIG. 1 is a schematic view showing an example of an embodiment of an RFID label according to the present invention. FIG. 1A shows an inlet 2 in which an RFID chip and an external communication antenna provided on a circuit board are electrically connected. FIG. 3 is an overhead view showing an example of an RFID label 1 enclosed by sandwiching two strip-shaped exterior materials having the same shape on the front and back surfaces. (B) is a sectional view of (a). In FIG. 1, the portion where the inlet 2 is enclosed by the exterior material 3 is enclosed near one end of the long and thin strip-shaped RFID label 1, and the remaining portion of the long and thin strip-shaped RFID label 1 is included. However, the inlet 2 is not included. An adhesive means 4 is provided on a part of the surface of one exterior material 3 in a portion where the inlet 2 is not included. (C) has shown the state which curved the site | part with which the adhesion means 4 is equipped. In this way, it can be wound around a metal article.

  The first embodiment of the RFID label of the present invention can be wrapped around an article and easily adhered and fixed to the article by the adhesive means 4, whereby the inlet 2 of the RFID label 1 is included. Therefore, the RFID label can secure a sufficient communication distance with the external communication device. In addition, by arranging the part containing the inlet 2 on the lower side, even if the RFID label 1 is simply attached to the article, the part containing the inlet 2 hangs down due to gravity, so that it can be separated from the article. It becomes possible.

(Adhesive means)
The adhesive means 4 may be any means that can be easily adhered and fixed when the RFID label 1 is wound around an article. For example, a commercially available adhesive having tackiness can be suitably used. If there is no stickiness, the RFID label 1 will be peeled off even if it is wound around a predetermined position. In that case, it may be fixed until it is adhered using some kind of auxiliary means.

(Exterior material)
As a material that can be used as the exterior material 3 that can be used for the RFID label 1 of the present invention, any material that is flexible and can transmit the electromagnetic wave used for communication by the RFID label 1 satisfactorily can be used. For example, a resin film (eg, PET film) made of various polymer materials, a material in which a polyester fiber is sandwiched between resin films (eg, tarpaulin), or the like can be suitably used. As a material that cannot be used, a material having the same electrical conductivity as that of a metal or a material having a low electrical conductivity cannot be used as an exterior material because it reflects or absorbs electromagnetic waves if it is a high magnetic permeability material.

  The adhesive means 4 and the exterior material 3 described in the first embodiment are the same as those described in the following description.

<Second Embodiment>
The second embodiment of the RFID label of the present invention is produced by attaching a flexible exterior material from the front and back to an inlet electrically connected to an RFID chip and an external communication antenna provided on a circuit board. The RFID label is composed of a part in which the inlet is included and a part in which the inlet is not included in a shape extending to the part, and the part in which the inlet is not included is bent. One of the parts is provided, and an adhesive means is provided on the outer surface of the part opposite to the part containing the inlet with reference to the bent part.

  This will be described with reference to FIG. FIG. 2A is a schematic overhead view showing an example of the second embodiment of the RFID label 1 of the present invention. The difference from the first embodiment is that one bent portion 5 is provided between a portion where the inlet 2 of the RFID label 1 is included and a portion where the inlet 2 is not included.

  FIG. 2B is a cross-sectional view of the RFID label 1 of FIG. Adhesive means 4 is provided on the outer surface side of the part opposite to the part in which the inlet 2 is included with the bent part 5 as a reference. Here, the outer surface side refers to the surface opposite to the side on which the RFID label 1 is bent.

(Bent part of RFID label)
The second embodiment of the RFID label of the present invention is characterized in that there is one bent portion between a portion where the inlet 2 of the exterior material 3 is included and a portion where the inlet 2 is not included. In the region 5 where the RFID label 1 is bent, the outer packaging material 3 is bent, and the bent shape or posture is maintained. As a method of forming such a bent portion 5, for example, when the exterior material 3 is a resin film, it can be implemented simply by bending beyond the elastic limit. In the case where fibers are contained inside instead of the resin film alone, it can be formed by bending while heating to a temperature exceeding the glass transition point of the resin.

The RFID label 1 formed by bending the RFID label 1 at a middle position in the longitudinal direction and holding the inlet 2 in such a manner as to hold the shape or posture of the RFID label 1 is attached to the article by the adhesive means 4. When bonded, as shown in FIG. 2, the part containing the inlet 2 stands up on the surface of the article. As a result, the inlet 2 can be kept away from the article.

  In this way, the bent portion of the RFID label 1 exhibits a function of separating the inlet 2 of the RFID label 1 from the article.

  Further, if the RFID label 1 is attached to the lower surface of the article, gravity acts in the direction in which the RFID label 1 hangs down from the article, so that the effect that the exterior material 3 hangs down by its own weight can be expected.

<Third embodiment>
The third embodiment of the RFID label of the present invention is manufactured by bonding a flexible exterior material from the front and back to an inlet electrically connected to an RFID chip and an external communication antenna provided on a circuit board. The RFID label is composed of a part in which the inlet is included and a part in which the inlet is not included in a form extending to the part, and the part in which the inlet is not included is It has a plurality of bent parts that enable bellows folding, and has adhesive means on the outer surface side of the part opposite to the part containing the inlet as viewed from the bent part closest to the end. It is characterized by. Here, the outer surface side refers to the surface opposite to the side on which the RFID label is bent.

  FIG. 3A is a cross-sectional view illustrating the case of the RFID label 1 having two bent portions so as to be accordion-folded at a portion not including the inlet 2 of the RFID label 1, and FIG. It is sectional drawing which illustrated the case where the one bent part 5 was provided.

  Similar to the second embodiment, these RFID labels 1 have a function of separating the inlet 2 from the article. Further, when the number of the bent portions increases, when the rigidity of the exterior material 3 is small, the portion containing the inlet 2 separated from the article is bent and droops like the weak spring, and the adhesive means 4 is attached. Approach the surface of the item. Conversely, when the rigidity of the exterior material 3 is sufficiently large, the standing state is maintained as it is from the article surface. Therefore, when there is a possibility of being attached to the upper side of the article, the rigidity of the RFID label 1 produced by attaching the exterior material 3 is bent by its own weight even when attached to the upper side of the article. It is desirable that the value is higher than the extent that the contained part does not come close to the article. However, even in that case, it is possible to sufficiently separate the inlet 2 from the surface of the article by sufficiently separating the position where the inlet 2 is contained from the end of the RFID label 1.

  In addition, when these RFID labels 1 are attached to the lower side of the article, they are subjected to gravity in the direction of dropping due to their own weight. Therefore, even when the rigidity of the exterior material 3 is low, the part containing the inlet 2 can maintain a state of being separated from the surface of the article.

<Fourth embodiment>
The fourth embodiment of the RFID label of the present invention is manufactured by bonding a flexible exterior material from the front and back to an inlet electrically connected to an RFID chip and an external communication antenna provided on a circuit board. The RFID label is composed of a part in which the inlet is included and a part in which the inlet is not included.
The portions where the inlet is not included are connected to form an annular shape, and an adhesive means is provided outside the RFID label facing the portion where the inlet is included.

FIG. 4 is a cross-sectional view showing an example of the fourth embodiment of the RFID label of the present invention. The difference from the first, second, and third embodiments is that the portion not containing the inlet 2 is connected, and R
That is, the FID label 1 has an annular shape and no bent portion.

  As described above, as described in the first to fourth embodiments of the RFID label of the present invention, in any embodiment, the article to which the RFID label is attached is made of a material that obstructs RFID wireless communication, such as metal. Even with a simple structure, since the inlet included in the RFID label can be sufficiently separated from the surface of the article to which the RFID label is attached, the communication distance with the external communication device can be reduced. It is possible to ensure enough.

DESCRIPTION OF SYMBOLS 1 ... RFID tag 2 ... Inlet 3 ... Exterior material 4 ... Adhesive means 5 ... Bent part

Claims (4)

An RFID label produced by bonding a flexible exterior material from the front and back to an inlet electrically connected to an external communication antenna provided on an RFID chip and a circuit board,
The RFID label is composed of a part in which the inlet is included and a part in which the inlet is not included in an extending manner.
An RFID label comprising an adhesive means on one surface of a surface of an exterior material at a portion where the inlet is not included. An RFID label produced by bonding a flexible exterior material from the front and back to an inlet electrically connected to an external communication antenna provided on an RFID chip and a circuit board,
The RFID label is composed of a part in which the inlet is included and a part in which the inlet is not included in an extending manner.
The part where the inlet is not included is provided with one bent part, and an adhesive means is provided on the outer surface side of the part opposite to the part where the inlet is included with reference to the bent part. RFID label characterized by the above. An RFID label produced by bonding a flexible exterior material from the front and back to an inlet electrically connected to an external communication antenna provided on an RFID chip and a circuit board,
The RFID label is composed of a part in which the inlet is included and a part in which the inlet is not included in an extending manner.
The part that does not contain the inlet is provided with a plurality of bent parts that enable bellows folding, and is opposite to the part that contains the inlet when viewed from the bent part near the end. An RFID label comprising an adhesive means on the outer surface side of the side portion. An RFID label produced by bonding a flexible exterior material from the front and back to an inlet electrically connected to an external communication antenna provided on an RFID chip and a circuit board,
The RFID label is composed of a part containing the inlet and a part not containing the inlet.
An RFID label characterized in that a portion where an inlet is not included is connected to form an annular shape, and an adhesive means is provided outside the RFID label facing the portion where the inlet is included.

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