JP2006309401A - Ic tag - Google Patents

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JP2006309401A
JP2006309401A JP2005129573A JP2005129573A JP2006309401A JP 2006309401 A JP2006309401 A JP 2006309401A JP 2005129573 A JP2005129573 A JP 2005129573A JP 2005129573 A JP2005129573 A JP 2005129573A JP 2006309401 A JP2006309401 A JP 2006309401A
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antenna
tag
chip
transmission
reception antenna
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JP4771115B2 (en
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Koji Tazaki
耕司 田崎
Hironobu Ishizaka
裕宣 石坂
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Showa Denko Materials Co Ltd
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Hitachi Chemical Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an IC tag for attaining waterproof or mechanical strength for satisfying the reliability of the IC tag and flexibility for preventing an adherend itself from being damaged without damaging the comfort of wear or use when the IC tag is mounted on such cloth-shaped adherend as clothes or towel or bed sheet. <P>SOLUTION: This IC tag includes an IC chip for radio communication and a transmission/reception antenna, wherein at least a portion of the transmission/reception antenna is constituted of woven fabric or unwoven fabric or a wire net configured by using a metallic wire. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、ICタグに関する。   The present invention relates to an IC tag.

近年、ICタグを用いる非接触式個体識別システムは、物のライフサイクル全体を管理するシステムとして、製造、物流、販売、リサイクルのすべての業態で注目されている。特にUHF波やマイクロ波を用いる電波方式のICタグは、ICチップに外部アンテナを取り付けた構造で数メートルの通信距離が可能であるという特徴によって注目されており、現在、大量の商品の物流管理や製造物履歴管理、セキュリティ管理等を目的にシステムの構築が進められている。   In recent years, a non-contact type individual identification system using an IC tag has attracted attention as a system for managing the entire life cycle of goods in all business categories of manufacturing, distribution, sales, and recycling. In particular, radio frequency type IC tags using UHF waves and microwaves are attracting attention due to the feature that an external antenna is attached to an IC chip and a communication distance of several meters is possible. Systems are being developed for the purpose of product history management and security management.

13.56MHz帯を利用した電磁誘導方式のICタグを含めて、これらを利用した実証実験はアパレル、家電、航空、出版、農業等の各業界で進められており、アパレル等の一部の業界ではすでに実用化が図られている。   Demonstration experiments using electromagnetic induction type IC tags using the 13.56 MHz band are being carried out in various industries such as apparel, home appliances, aviation, publishing, and agriculture, and some industries such as apparel Already, commercialization has already been attempted.

ICタグを用いた非接触式個体識別システムで大量の商品の物流及び物品管理を実現するためには、商品の1つ1つにICタグを取り付ける必要がある。そのためには安価なICタグを大量に生産しうる技術と、ICタグを種々の形状のものに容易に取り付ける技術が不可欠である。   In order to realize a large quantity of merchandise distribution and article management with a non-contact type individual identification system using an IC tag, it is necessary to attach an IC tag to each of the merchandise. For this purpose, a technique capable of mass-producing inexpensive IC tags and a technique for easily attaching IC tags to various shapes are indispensable.

ICタグの取り付けに関しては、種々の物品の形状や材質に適したICタグを選択し取り付ける必要がある。現在の一般的なICタグには、塩化ビニルやポリエチレンテレフタレート(PET)等の有機樹脂フィルムによってカード状に成型したもの、紙ラベルに加工されたもの、あるいは熱可塑性樹脂や熱硬化性樹脂等で用途に合った形状に成型されたものなどがあり、被着体に紐や粘着剤等を利用して取り付けたり、梱包箱中に入れたりする場合が多い。しかし、被着体として衣服やタオル、シーツ等の布状の製品を考え、これらの製品が小売店の店頭に並ぶまでの物流管理だけでなく、使用時もしくは使用後までの管理を考える場合には、取り付けられるICタグに、繰り返し洗濯、脱水に耐えうる耐水性や耐圧性、耐折れ性及び耐ねじれ性等の機械的強度と、ICタグが取り付けられた衣服やタオルを使用する際の着心地や使い心地を損なわないための柔軟性が要求される。   Regarding the attachment of the IC tag, it is necessary to select and attach an IC tag suitable for the shape and material of various articles. The current general IC tags include those molded into a card shape with an organic resin film such as vinyl chloride and polyethylene terephthalate (PET), processed into a paper label, or a thermoplastic resin or a thermosetting resin. There are things molded into a shape suitable for the application, etc., and they are often attached to the adherend using strings, adhesives, etc., or put in a packing box. However, when considering cloth-like products such as clothes, towels, and sheets as adherends, and not only logistics management until these products are lined up at retail stores, but also management during use or after use. The IC tag to be attached has a mechanical strength such as water resistance, pressure resistance, folding resistance and twisting resistance that can withstand repeated washing and dehydration, and wear when using clothes and towels with IC tags attached. Flexibility is required so as not to impair comfort and comfort.

マイクロ波を用いる電波方式のICタグとしては、例えば、株式会社日立製作所と株式会社ルネサステクノロジ社によって開発されたTCP(Tape Carrier Package)型インレットを用いたものが知られている。ここでインレットとは、非接触式固体識別用のICチップを送受信アンテナに実装したものであり、ICタグの中間形態である。   As a radio wave type IC tag using a microwave, for example, a tag using a TCP (Tape Carrier Package) type inlet developed by Hitachi, Ltd. and Renesas Technology Corp. is known. Here, the inlet is a non-contact type solid identification IC chip mounted on a transmission / reception antenna, and is an intermediate form of an IC tag.

その他のインレット構造として、例えば、株式会社日立製作所により、外部電極が表裏面に1個ずつ形成されたICチップ(以下、両面電極チップ)を励振スリット型ダイポールアンテナに挟み込む構造が開発されている(特許文献1参照)。励振スリットを有するダイポールアンテナ構造は、このスリットの幅及び長さを変えることで、アンテナのインピーダンスとICチップの入力インピーダンスとを整合することが可能であり、良好な通信特性を得ることができる。
特開2004−127230号公報
As another inlet structure, for example, Hitachi, Ltd. has developed a structure in which an IC chip (hereinafter, double-sided electrode chip) in which one external electrode is formed on each of the front and back surfaces is sandwiched between excitation slit type dipole antennas ( Patent Document 1). The dipole antenna structure having the excitation slit can match the impedance of the antenna and the input impedance of the IC chip by changing the width and length of the slit, and can obtain good communication characteristics.
Japanese Patent Laid-Open No. 2004-127230

しかしながら、耐水性と機械的強度を満足するには、ICチップ、送受信アンテナあるいはその接続部を破壊から保護するために有機樹脂等によって成型することが好ましいが、その剛性によって着心地、使い心地が損なわれたり、被着体の生地自体を傷めるという問題があった。   However, in order to satisfy water resistance and mechanical strength, it is preferable to mold with an organic resin or the like in order to protect the IC chip, the transmission / reception antenna or its connection part from destruction, but its rigidity makes it comfortable and comfortable to use. There was a problem that it was damaged or the cloth of the adherend itself was damaged.

本発明は、前記に鑑みてなされたものであり、例えば衣服やタオル、シーツ等の布状の被着体に取り付けた際に、ICタグの信頼性を満足するための耐水性や機械的強度と、着心地や使い心地を損なわず被着体自体を傷めることのない柔軟性とを実現しうるICタグを提供するものである。   The present invention has been made in view of the above. For example, when attached to cloth-like adherends such as clothes, towels, sheets, etc., water resistance and mechanical strength for satisfying the reliability of the IC tag. The present invention also provides an IC tag capable of realizing flexibility that does not impair the wearing comfort and comfort without damaging the adherend itself.

すなわち、本発明は以下の通りである。
1.無線通信用のICチップと、送受信アンテナとを備えたICタグにおいて、前記送受信アンテナの少なくとも一部が、金属線を用いて構成される織布もしくは不織布もしくは金網からなることを特徴とするICタグ。
2.無線通信用のICチップと、送受信アンテナとを備えたICタグにおいて、前記送受信アンテナが金属箔を加工した第1のアンテナ部材と、金属線を用いて構成される織布もしくは不織布もしくは金網からなる第2のアンテナ部材からなり、前記第1のアンテナ部材と前記第2のアンテナ部材とを電気的に接続して構成されることを特徴とするICタグ。
3.無線通信用のICチップと、送受信アンテナとを備えたICタグにおいて、前記送受信アンテナの少なくとも一部が、織布もしくは不織布もしくは網の表面に金属めっき層を形成したものからなることを特徴とするICタグ。
4.無線通信用のICチップと、送受信アンテナとを備えたICタグにおいて、前記送受信アンテナが金属箔を加工した第1のアンテナ部材と、織布もしくは不織布もしくは網の表面に金属めっき層を形成したものからなる第2のアンテナ部材からなり、前記第1のアンテナ部材と前記第2のアンテナ部材とを電気的に接続して構成されることを特徴とするICタグ。
5.織布もしくは不織布の表面にめっきされる金属は銅またはニッケルまたは銀または錫を含有することを特徴とする項3または4に記載のICタグ。
6.無線通信用のICチップと、送受信アンテナとを備えたICタグにおいて、前記送受信アンテナの少なくとも一部が、複数の開口部を有する金属加工板からなることを特徴とするICタグ。
7.無線通信用のICチップと、送受信アンテナとを備えたICタグにおいて、前記送受信アンテナが金属箔を加工した第1のアンテナ部材と、複数の開口部を有する金属加工板からなる第2のアンテナ部材からなり、前記第1のアンテナ部材と前記第2のアンテナ部材とを電気的に接続して構成されることを特徴とするICタグ。
8.無線通信用のICチップと、送受信アンテナとを備えたICタグにおいて、前記送受信アンテナの少なくとも一部が、金属糸もしくは金属に被覆された糸を織布もしくは不織布もしくはフィルムに刺繍したものからなることを特徴とするICタグ。
9.無線通信用のICチップと、送受信アンテナとを備えたICタグにおいて、前記送受信アンテナが金属箔を加工した第1のアンテナ部材と、金属糸もしくは金属に被覆された糸を織布もしくは不織布もしくはフィルムに刺繍したものからなる第2のアンテナ部材からなり、前記第1のアンテナ部材と前記第2のアンテナ部材とを電気的に接続して構成されることを特徴とするICタグ。
10.ICチップと送受信アンテナとの電気的接続部が金属接合によって形成されることを特徴とする項1〜9いずれかに記載のICタグ。
11.ICチップと送受信アンテナとの電気的接続部がはんだ接合または抵抗溶接または超音波接合から選択されることを特徴とする項10に記載のICタグ。
12.ICチップと送受信アンテナとの電気的接続部が導電性接着剤または異方導電性接着剤または非導電性接着剤によって形成されることを特徴とする項1〜9いずれかに記載のICタグ。
13.少なくともICチップと送受信アンテナとの電気的接続部が有機樹脂によって封止されていることを特徴とする項1〜12いずれかに記載のICタグ。
14.ICチップの外部電極が対向する2つの面に形成されていることを特徴とする項1〜13いずれかに記載のICタグ。
15.送受信アンテナが励振スリットを有するダイポールアンテナであることを特徴とする項1〜14いずれかに記載のICタグ。
16.少なくとも送受信アンテナの一部がベース基材によって支持されていることを特徴とする項1〜15いずれかに記載のICタグ。
That is, the present invention is as follows.
1. An IC tag comprising an IC chip for wireless communication and a transmission / reception antenna, wherein at least a part of the transmission / reception antenna is made of a woven fabric, a non-woven fabric or a wire mesh made of a metal wire. .
2. In an IC tag provided with an IC chip for wireless communication and a transmission / reception antenna, the transmission / reception antenna is formed of a first antenna member obtained by processing a metal foil, and a woven fabric, a nonwoven fabric, or a wire mesh formed using a metal wire. An IC tag comprising a second antenna member and configured by electrically connecting the first antenna member and the second antenna member.
3. In an IC tag provided with an IC chip for wireless communication and a transmission / reception antenna, at least a part of the transmission / reception antenna is made of a woven fabric, a nonwoven fabric, or a net having a metal plating layer formed thereon. IC tag.
4). An IC tag having an IC chip for wireless communication and a transmission / reception antenna, wherein the transmission / reception antenna has a first antenna member obtained by processing a metal foil, and a metal plating layer is formed on the surface of a woven or non-woven fabric or mesh An IC tag comprising: a second antenna member comprising: the first antenna member and the second antenna member electrically connected.
5. Item 5. The IC tag according to Item 3 or 4, wherein the metal plated on the surface of the woven or non-woven fabric contains copper, nickel, silver or tin.
6). An IC tag comprising an IC chip for wireless communication and a transmission / reception antenna, wherein at least a part of the transmission / reception antenna is made of a metal processed plate having a plurality of openings.
7). In an IC tag including an IC chip for wireless communication and a transmission / reception antenna, the transmission / reception antenna includes a first antenna member obtained by processing a metal foil, and a second antenna member formed by a metal processing plate having a plurality of openings. An IC tag comprising: the first antenna member and the second antenna member electrically connected to each other.
8). In an IC tag provided with an IC chip for wireless communication and a transmission / reception antenna, at least a part of the transmission / reception antenna is made of a metal thread or a metal-coated thread embroidery on a woven or non-woven fabric or film. IC tag characterized by
9. In an IC tag including an IC chip for wireless communication and a transmission / reception antenna, the transmission / reception antenna has a first antenna member obtained by processing a metal foil, and a metal thread or a metal-coated thread is woven or non-woven fabric or film An IC tag comprising a second antenna member formed by embroidering the first antenna member and electrically connecting the first antenna member and the second antenna member.
10. Item 10. The IC tag according to any one of Items 1 to 9, wherein an electrical connection portion between the IC chip and the transmission / reception antenna is formed by metal bonding.
11. Item 11. The IC tag according to Item 10, wherein the electrical connection between the IC chip and the transmission / reception antenna is selected from solder bonding, resistance welding, or ultrasonic bonding.
12 Item 10. The IC tag according to any one of Items 1 to 9, wherein an electrical connection portion between the IC chip and the transmission / reception antenna is formed of a conductive adhesive, an anisotropic conductive adhesive, or a non-conductive adhesive.
13. Item 13. The IC tag according to any one of Items 1 to 12, wherein at least an electrical connection portion between the IC chip and the transmission / reception antenna is sealed with an organic resin.
14 Item 14. The IC tag according to any one of Items 1 to 13, wherein the external electrode of the IC chip is formed on two opposing surfaces.
15. Item 15. The IC tag according to any one of Items 1 to 14, wherein the transmission / reception antenna is a dipole antenna having an excitation slit.
16. Item 16. The IC tag according to any one of Items 1 to 15, wherein at least a part of the transmission / reception antenna is supported by a base substrate.

本発明のICタグによれば、次のような効果を得ることができる。すなわち、無線通信用のICチップを、金属線を用いて構成される織布もしくは不織布もしくは金網や、金属糸もしくは金属に被覆された糸を被着体に刺繍して形成した送受信アンテナに接続する構造によって、例えば衣服やタオル、シーツ等の布状の被着体に取り付けた際に、ICタグの信頼性を満足するための耐水性や機械的強度と、着心地や使い心地を損なわず被着体自体を傷めることのない柔軟性とを実現しうるICタグを実現することができる。   According to the IC tag of the present invention, the following effects can be obtained. That is, an IC chip for wireless communication is connected to a transmission / reception antenna formed by embroidering a woven or non-woven fabric or a wire mesh composed of metal wires, or a metal thread or a metal-coated thread on an adherend. Depending on the structure, for example, when attached to cloth-like adherends such as clothes, towels, sheets, etc., water resistance and mechanical strength to satisfy the reliability of IC tags, as well as comfort and ease of use are not impaired. An IC tag that can realize flexibility without damaging the body itself can be realized.

本発明の実施形態について図面を用いて詳細に説明する。なお、以下の実施形態は例として示すものであり、本発明はこれらの実施形態に限定されるものではない。以下、送受信アンテナは、送受信アンテナまたはアンテナと記載する。   Embodiments of the present invention will be described in detail with reference to the drawings. In addition, the following embodiment is shown as an example and this invention is not limited to these embodiment. Hereinafter, the transmission / reception antenna is referred to as a transmission / reception antenna or an antenna.

図1及び図2に、本発明のICタグの第1の形態を示す。図1(a)は上面から見た概略図である。ICチップ10はダイポールアンテナとなる2枚の金網20a及び20bに異方導電性接着剤40を介して接続されている。図1(b)は図1(a)を断面方向から見た図である。ICチップの一方の面内に形成された2つの外部電極11a及び11bがアンテナ(金網)20a及び20bに各々異方導電性接着剤に含有される導電粒子41を介して電気的に接続され、両電極間はマトリクス樹脂42によって固定されるとともに、電気的に絶縁性を保たれている。図1の構造にて、ICタグの基本的な動作を得ることはできるが、ICチップ及びICチップとアンテナとの接続部を保護し、耐水性や機械的強度を確保するためにICチップの周囲を有機樹脂等によって封止することが望ましい。   1 and 2 show a first form of the IC tag of the present invention. FIG. 1A is a schematic view seen from above. The IC chip 10 is connected to two metal meshes 20a and 20b serving as dipole antennas via an anisotropic conductive adhesive 40. FIG.1 (b) is the figure which looked at Fig.1 (a) from the cross-sectional direction. Two external electrodes 11a and 11b formed in one surface of the IC chip are electrically connected to the antennas (wire nets) 20a and 20b through the conductive particles 41 contained in the anisotropic conductive adhesive, respectively. The two electrodes are fixed by a matrix resin 42 and electrically insulated. Although the basic operation of the IC tag can be obtained with the structure of FIG. 1, the IC chip and the connection part between the IC chip and the antenna are protected, and the IC chip is protected in order to ensure water resistance and mechanical strength. It is desirable to seal the periphery with an organic resin or the like.

図2(a)は図1に示したICタグにおいて、ICチップの周囲を有機樹脂50によって封止したものである。図2(b)はその断面構造を示す図である。すなわち、前述したようにICチップの周囲は封止樹脂によって耐圧力、耐曲げ、耐ねじれ等の機械的強度を確保するとともに、耐水性も備えている。一方、アンテナである金網は太さが数十マイクロメートルの金属ワイヤを用いて網を形成することにより、一般にICタグ用アンテナとして用いられる10〜30マイクロメートル程度のアルミニウム箔もしくは銅箔や、導電性ペーストの硬化物よりも高い耐曲げ、耐ねじれ性が得られる。また、金属ワイヤと同じ厚みの金属板と比較すれば柔軟性に優れている。   FIG. 2A shows the IC tag shown in FIG. 1 in which the periphery of the IC chip is sealed with an organic resin 50. FIG. 2B is a diagram showing the cross-sectional structure. That is, as described above, the periphery of the IC chip is secured with mechanical strength such as pressure resistance, bending resistance, and twisting resistance by the sealing resin, and also has water resistance. On the other hand, a metal mesh as an antenna is formed by using a metal wire having a thickness of several tens of micrometers, so that an aluminum foil or copper foil of about 10 to 30 micrometers generally used as an antenna for IC tags, conductive Higher bending resistance and twisting resistance than the cured paste. Moreover, it is excellent in flexibility as compared with a metal plate having the same thickness as the metal wire.

このように、図2(a)及び図2(b)にて説明した構造は、機械的強度と柔軟性を併せ持つICタグとして好適な構造である。なお、図1及び図2を用いて説明した本形態において、アンテナは金網の他に金属線を用いた織布もしくは不織布であってもよい。また、ICチップとアンテナとの接続は、異方導電性接着剤の代わりに、導電性接着剤、非導電性接着剤、はんだ接合や超音波印加による金属接合等であってもよい。さらに、本形態で用いるアンテナはICタグに要求される柔軟性を損なわないベース基材に支持されたものであってもよい。   As described above, the structure described in FIGS. 2A and 2B is a structure suitable as an IC tag having both mechanical strength and flexibility. In the present embodiment described with reference to FIGS. 1 and 2, the antenna may be a woven fabric or a non-woven fabric using a metal wire in addition to the wire mesh. Further, the connection between the IC chip and the antenna may be a conductive adhesive, a non-conductive adhesive, solder bonding, metal bonding by applying ultrasonic waves, or the like instead of the anisotropic conductive adhesive. Furthermore, the antenna used in this embodiment may be supported by a base substrate that does not impair the flexibility required for the IC tag.

図3及び図4に、本発明のICタグの第2の形態を示す。
図3(a)は上面から見た概略図である。ICチップ10はICチップより一回り大きい第1のアンテナ30に接続されている。第1のアンテナ30には、ICチップとアンテナとのインピーダンス整合を図るためにスリット31が形成された励振スリット型ダイポールアンテナが良好な通信特性を得るために好ましい。ここで、通信特性はスリットの形状によって大きく影響されるので、最適なスリットを精度良く形成するために、第1のアンテナ材料には銅箔やアルミニウム箔等の金属箔を使用するのが好ましい。また、アンテナの柔軟性を十分に得るためには第1のアンテナは可能な範囲で小さくしておくことが望ましい。
3 and 4 show a second form of the IC tag of the present invention.
FIG. 3A is a schematic view seen from above. The IC chip 10 is connected to a first antenna 30 that is slightly larger than the IC chip. The first antenna 30 is preferably an excitation slit type dipole antenna in which a slit 31 is formed in order to achieve impedance matching between the IC chip and the antenna in order to obtain good communication characteristics. Here, since the communication characteristics are greatly influenced by the shape of the slit, it is preferable to use a metal foil such as a copper foil or an aluminum foil as the first antenna material in order to accurately form the optimum slit. In order to obtain sufficient flexibility of the antenna, it is desirable to make the first antenna as small as possible.

ICチップはその外部電極がスリットを跨いだ所定の位置に異方導電性接着剤40を介して接続されている。さらに第1のアンテナは第2のアンテナとなる2枚の金網20a及び20bに異方導電性接着剤を介して接続されている。図3(b)は図3(a)を断面方向から見た図である。ICチップの一方の面内に形成された2つの外部電極11a及び11bが第1のアンテナ30に異方導電性接着剤に含有される導電粒子41を介して電気的に接続され、両電極間はマトリクス樹脂42によって固定されるとともに、電気的に絶縁性を保たれている。図3(b)で第1のアンテナはアンテナとなる導体32と導体を支持するベース基材33とから形成されているが、ベース基材は無くてもよい。第1のアンテナの両端は第2のアンテナ(金網)20a及び20bに各々導電性接着剤を介して接続されている。   The IC chip has an external electrode connected to a predetermined position across the slit via an anisotropic conductive adhesive 40. Further, the first antenna is connected to the two metal meshes 20a and 20b serving as the second antenna via an anisotropic conductive adhesive. FIG. 3B is a view of FIG. 3A viewed from the cross-sectional direction. Two external electrodes 11a and 11b formed in one surface of the IC chip are electrically connected to the first antenna 30 via conductive particles 41 contained in the anisotropic conductive adhesive, and between the two electrodes. Is fixed by the matrix resin 42 and electrically insulated. In FIG. 3B, the first antenna is formed of a conductor 32 serving as an antenna and a base substrate 33 that supports the conductor, but the base substrate may be omitted. Both ends of the first antenna are connected to second antennas (wire meshes) 20a and 20b via conductive adhesives, respectively.

図3の構造にて、ICタグの基本的な動作と良好な通信特性を得ることはできるが、ICチップ及びICチップとアンテナとの接続部、さらに第1のアンテナと第2のアンテナとの接続部を保護し、耐水性や機械的強度を確保するために第1のアンテナの周囲を有機樹脂等によって封止することが望ましい。   Although the basic operation of the IC tag and good communication characteristics can be obtained with the structure of FIG. 3, the connection between the IC chip and the IC chip and the antenna, and the first antenna and the second antenna In order to protect the connection portion and ensure water resistance and mechanical strength, it is desirable to seal the periphery of the first antenna with an organic resin or the like.

図4(a)は図3に示したICタグにおいて、ICチップ及び第1のアンテナ及び第1のアンテナと第2のアンテナとの接続部の周囲を有機樹脂50によって封止したものである。図4(b)はその断面構造を示す図である。すなわち、前述したように第1のアンテナの周囲は封止樹脂によって耐圧力、耐曲げ、耐ねじれ等の機械的強度を確保するとともに、耐水性も備えている。一方、第2のアンテナである金網は太さが数十マイクロメートルの金属ワイヤを用いて網を形成することにより、一般にICタグ用アンテナとして用いられる10〜30マイクロメートル程度のアルミニウム箔もしくは銅箔や、導電性ペーストの硬化物よりも高い耐曲げ、耐ねじれ性が得られる。また、金属ワイヤと同じ厚みの金属板と比較すれば柔軟性に優れている。   FIG. 4A shows the IC tag shown in FIG. 3 in which the periphery of the IC chip, the first antenna, and the connection portion between the first antenna and the second antenna is sealed with an organic resin 50. FIG. 4B is a diagram showing the cross-sectional structure. That is, as described above, the surrounding area of the first antenna is secured with mechanical strength such as pressure resistance, bending resistance, and twisting resistance by the sealing resin, and also has water resistance. On the other hand, the metal mesh as the second antenna is formed by using a metal wire having a thickness of several tens of micrometers, so that an aluminum foil or copper foil of about 10 to 30 micrometers generally used as an antenna for IC tags. In addition, higher bending resistance and torsion resistance than the cured conductive paste can be obtained. Moreover, it is excellent in flexibility as compared with a metal plate having the same thickness as the metal wire.

このように、図4(a)及び図4(b)にて説明した構造は、機械的強度と柔軟性を併せ持ち、かつ良好な通信特性を得られるICタグとして好適な構造である。なお、図3及び図4を用いて説明した本形態において、第2のアンテナは金網の他に金属線を用いた織布もしくは不織布であってもよい。また、ICチップと第1のアンテナ、第1のアンテナと第2のアンテナの各接続は、異方導電性接着剤の代わりに、導電性接着剤、非導電性接着剤、はんだ接合や超音波印加による金属接合等であってもよい。さらに、本形態で用いるアンテナはICタグに要求される柔軟性を損なわないベース基材に支持されたものであってもよい。   As described above, the structure described with reference to FIGS. 4A and 4B is a structure suitable as an IC tag having both mechanical strength and flexibility and obtaining good communication characteristics. In the present embodiment described with reference to FIGS. 3 and 4, the second antenna may be a woven fabric or a non-woven fabric using a metal wire in addition to the wire mesh. In addition, each connection between the IC chip and the first antenna and between the first antenna and the second antenna is made of a conductive adhesive, a non-conductive adhesive, a solder joint or an ultrasonic wave instead of the anisotropic conductive adhesive. Metal bonding by application may be used. Furthermore, the antenna used in this embodiment may be supported by a base substrate that does not impair the flexibility required for the IC tag.

図5及び図6に、本発明のICタグの第3の形態を示す。
図5(a)は上面から見た概略図である。ICチップ10は複数の開口部を形成した金属板からなるアンテナ21に異方導電性接着剤40を介して接続されている。アンテナには第2の形態と同様に、ICチップとアンテナとのインピーダンス整合を図るためのスリット22が形成されていることが良好な通信特性を得る上で好ましい。また、柔軟性を得るために金属板は薄く、かつアンテナの面積に占める開口部の比率は可能な範囲で大きいことが好ましい。
5 and 6 show a third form of the IC tag of the present invention.
FIG. 5A is a schematic view seen from above. The IC chip 10 is connected to an antenna 21 made of a metal plate having a plurality of openings via an anisotropic conductive adhesive 40. As in the second embodiment, the antenna is preferably provided with a slit 22 for impedance matching between the IC chip and the antenna in order to obtain good communication characteristics. In order to obtain flexibility, the metal plate is preferably thin, and the ratio of the opening to the area of the antenna is preferably as large as possible.

図5(b)は図5(a)を断面方向から見た図である。ICチップの一方の面内に形成された2つの外部電極11a及び11bがアンテナ20a及び20bに各々異方導電性接着剤に含有される導電粒子41を介して電気的に接続さ、両電極間はマトリクス樹脂42によって固定されるとともに、電気的に絶縁性を保たれている。   FIG.5 (b) is the figure which looked at Fig.5 (a) from the cross-sectional direction. The two external electrodes 11a and 11b formed in one surface of the IC chip are electrically connected to the antennas 20a and 20b through the conductive particles 41 contained in the anisotropic conductive adhesive, respectively. Is fixed by the matrix resin 42 and electrically insulated.

図5の構造にて、ICタグの基本的な動作と良好な通信特性を得ることはできるが、ICチップ及びICチップとアンテナとの接続部を保護し、耐水性や機械的強度を確保するためにICチップの周囲を有機樹脂等によって封止することが望ましい。   Although the basic operation and good communication characteristics of the IC tag can be obtained with the structure of FIG. 5, the connection between the IC chip and the IC chip and the antenna is protected to ensure water resistance and mechanical strength. Therefore, it is desirable to seal the periphery of the IC chip with an organic resin or the like.

図6(a)は図6に示したICタグにおいて、ICチップ及び第1のアンテナ及び第1のアンテナと第2のアンテナとの周囲を有機樹脂50によって封止したものである。図6(b)はその断面構造を示す図である。すなわち、前述したようにICチップの周囲は封止樹脂によって耐圧力、耐曲げ、耐ねじれ等の機械的強度を確保するとともに、耐水性も備えている。一方、アンテナである金属板は可能な範囲で薄く、開口部比率を大きくすることで柔軟性を得ることができる。   FIG. 6A shows the IC tag shown in FIG. 6 in which the IC chip, the first antenna, and the periphery of the first antenna and the second antenna are sealed with an organic resin 50. FIG. 6B shows the cross-sectional structure. That is, as described above, the periphery of the IC chip is secured with mechanical strength such as pressure resistance, bending resistance, and twisting resistance by the sealing resin, and also has water resistance. On the other hand, the metal plate as an antenna is as thin as possible, and flexibility can be obtained by increasing the ratio of the openings.

このように、図6(a)及び図6(b)にて説明した構造は、機械的強度と柔軟性を併せ持ち、かつ良好な通信特性を得られるICタグとして好適な構造である。なお、図5及び図6を用いて説明した本形態において、ICチップとアンテナの接続は、異方導電性接着剤の代わりに、導電性接着剤、非導電性接着剤、はんだ接合や超音波印加による金属接合等であってもよい。さらに、本形態で用いるアンテナはICタグに要求される柔軟性を損なわないベース基材に支持されたものであってもよい。   As described above, the structure described with reference to FIGS. 6A and 6B is a structure suitable as an IC tag having both mechanical strength and flexibility and obtaining good communication characteristics. Note that in the present embodiment described with reference to FIGS. 5 and 6, the connection between the IC chip and the antenna is made of a conductive adhesive, a non-conductive adhesive, a solder joint or an ultrasonic wave instead of the anisotropic conductive adhesive. Metal bonding by application may be used. Furthermore, the antenna used in this embodiment may be supported by a base substrate that does not impair the flexibility required for the IC tag.

図7に、本発明のICタグの第4の形態を示す。
図7(a)は上面から見た概略図である。ICチップ10はICチップより一回り大きい第1のアンテナ30に接続されている。第1のアンテナには、ICチップとアンテナとのインピーダンス整合を図るためにスリット31が形成された励振スリット型ダイポールアンテナが良好な通信特性を得るために好ましい。ここで、通信特性はスリットの形状によって大きく影響されるので、最適なスリットを精度良く形成するために、第1のアンテナ材料には銅箔やアルミニウム箔等の金属箔を使用するのが好ましい。また、アンテナの柔軟性を十分に得るためには第1のアンテナは可能な範囲で小さくしておくことが望ましい。ICチップはその外部電極がスリットを跨いだ所定の位置に異方導電性接着剤40を介して接続されている。
FIG. 7 shows a fourth form of the IC tag of the present invention.
FIG. 7A is a schematic view seen from above. The IC chip 10 is connected to a first antenna 30 that is slightly larger than the IC chip. As the first antenna, an excitation slit type dipole antenna in which a slit 31 is formed for impedance matching between the IC chip and the antenna is preferable in order to obtain good communication characteristics. Here, since the communication characteristics are greatly influenced by the shape of the slit, it is preferable to use a metal foil such as a copper foil or an aluminum foil as the first antenna material in order to accurately form the optimum slit. In order to obtain sufficient flexibility of the antenna, it is desirable to make the first antenna as small as possible. The IC chip has an external electrode connected to a predetermined position across the slit via an anisotropic conductive adhesive 40.

第2のアンテナは金属糸もしくは金属に被覆された糸をICタグの被着体60に刺繍した2つの部分(刺繍アンテナ)23a及び23bからなり、第2のアンテナである金属糸もしくは金属に被覆された糸の一部が第1のアンテナの端部を貫通するように被着体60に刺繍することによって、第1のアンテナと第2のアンテナとの電気的接続及び固定をしている。   The second antenna is composed of two parts (embroidery antennas) 23a and 23b in which a metal thread or a metal-coated thread is embroidered on the adherend 60 of the IC tag, and the second antenna is covered with the metal thread or metal that is the second antenna. The first antenna and the second antenna are electrically connected and fixed by embroidering the adherend 60 so that a part of the formed thread penetrates the end of the first antenna.

図7(b)は図7(a)を断面方向から見た図である。ICチップの一方の面内に形成された2つの外部電極11a及び11bが第1のアンテナ30に異方導電性接着剤に含有される導電粒子41を介して電気的に接続され、両電極間はマトリクス樹脂42によって固定されるとともに、電気的に絶縁性を保たれている。図7(b)で第1のアンテナはアンテナとなる導体32と導体を支持するベース基材33とから形成されているが、ベース基材は無くてもよい。第1のアンテナの両端は第2のアンテナ(刺繍アンテナ)23a及び23bとなる金属糸もしくは金属に被覆された糸によって被着体60と一体化した状態で縫い付けられ、電気的な接続と同時に固定されている。   FIG.7 (b) is the figure which looked at Fig.7 (a) from the cross-sectional direction. Two external electrodes 11a and 11b formed in one surface of the IC chip are electrically connected to the first antenna 30 via conductive particles 41 contained in the anisotropic conductive adhesive, and between the two electrodes. Is fixed by the matrix resin 42 and electrically insulated. In FIG. 7B, the first antenna is formed of a conductor 32 serving as an antenna and a base substrate 33 that supports the conductor, but the base substrate may be omitted. Both ends of the first antenna are sewn in a state of being integrated with the adherend 60 with a metal thread that becomes the second antenna (embroidery antenna) 23a and 23b or a thread coated with metal, and at the same time as the electrical connection It is fixed.

図7の構造にて、ICタグの基本的な動作と良好な通信特性を得ることはできるが、ICチップ及びICチップとアンテナとの接続部、さらに第1のアンテナと第2のアンテナとの接続部を保護し、耐水性や機械的強度を確保するために、第1のアンテナを第2のアンテナと固定する前もしくは固定した後に、ICチップの周囲を有機樹脂等によって封止することが望ましい。なお、本形態において、ICチップと第1のアンテナの接続は、異方導電性接着剤の代わりに、導電性接着剤、非導電性接着剤、はんだ接合や超音波印加による金属接合等であってもよい。   Although the basic operation and good communication characteristics of the IC tag can be obtained with the structure of FIG. 7, the connection between the IC chip and the IC chip and the antenna, and the first antenna and the second antenna In order to protect the connection part and ensure water resistance and mechanical strength, the periphery of the IC chip may be sealed with an organic resin or the like before or after fixing the first antenna to the second antenna. desirable. In this embodiment, the IC chip and the first antenna are connected by a conductive adhesive, a non-conductive adhesive, solder bonding, metal bonding by applying ultrasonic waves, or the like instead of the anisotropic conductive adhesive. May be.

図8及び図9に、本発明のICタグの第5の形態を示す。
図8(a)は上面から見た概略図である。ICチップ12には2つの外部電極がICチップの表裏面にそれぞれ1個ずつ形成されており、ICチップの表裏面を挟んでダイポールアンテナとなる2枚の金網20a及び20bに異方導電性接着剤40を介して接続されている。図8(b)は図8(a)を断面方向から見た図である。ICチップの表裏面に形成された2つの外部電極13a及び13bがアンテナ(金網)20a及び20bに各々異方導電性接着剤に含有される導電粒子41を介して電気的に接続され、両電極間はマトリクス樹脂42によって固定されるとともに、電気的に絶縁性を保たれている。
8 and 9 show a fifth form of the IC tag of the present invention.
FIG. 8A is a schematic view seen from above. Two external electrodes are formed on the front and back surfaces of the IC chip, respectively, on the IC chip 12, and anisotropically conductively bonded to the two metal nets 20a and 20b that serve as dipole antennas with the front and back surfaces of the IC chip interposed therebetween. It is connected via the agent 40. FIG. 8B is a view of FIG. 8A viewed from the cross-sectional direction. Two external electrodes 13a and 13b formed on the front and back surfaces of the IC chip are electrically connected to the antennas (wire nets) 20a and 20b through conductive particles 41 contained in an anisotropic conductive adhesive, respectively. The space is fixed by the matrix resin 42 and is electrically insulated.

ICチップを挟んでアンテナを接続する本構造は、同一面に2つの外部電極が形成されているICチップを2つのアンテナに接続する場合と異なり、ICチップの各々の電極とアンテナとの位置合わせに高い精度が不要なことから、ICチップの大きさが小さい場合に有効な構造である。図8の構造にて、ICタグの基本的な動作を得ることはできるが、ICチップ及びICチップとアンテナとの接続部を保護し、耐水性や機械的強度を確保するためにICチップの周囲を有機樹脂等によって封止することが望ましい。   Unlike the case where an IC chip in which two external electrodes are formed on the same surface is connected to two antennas, the present structure in which the antenna is connected across the IC chip is aligned with each antenna of the IC chip and the antenna. Therefore, this structure is effective when the size of the IC chip is small. Although the basic operation of the IC tag can be obtained with the structure shown in FIG. 8, the IC chip and the connection part between the IC chip and the antenna are protected, and the IC chip is protected in order to ensure water resistance and mechanical strength. It is desirable to seal the periphery with an organic resin or the like.

図9(a)は図8に示したICタグにおいて、ICチップの周囲を有機樹脂50によって封止したものである。図9(b)はその断面構造を示す図である。すなわち、前述したようにICチップの周囲は封止樹脂によって耐圧力、耐曲げ、耐ねじれ等の機械的強度を確保するとともに、耐水性も備えている。一方、アンテナである金網は太さが数十マイクロメートルの金属ワイヤを用いて網を形成することにより、一般にICタグ用アンテナとして用いられる10〜30マイクロメートル程度のアルミニウム箔もしくは銅箔や、導電性ペーストの硬化物よりも高い耐曲げ、耐ねじれ性が得られる。また、金属ワイヤと同じ厚みの金属板と比較すれば柔軟性に優れている。   FIG. 9A shows the IC tag shown in FIG. 8 in which the periphery of the IC chip is sealed with an organic resin 50. FIG. 9B is a diagram showing the cross-sectional structure. That is, as described above, the periphery of the IC chip is secured with mechanical strength such as pressure resistance, bending resistance, and twisting resistance by the sealing resin, and also has water resistance. On the other hand, a metal mesh as an antenna is formed by using a metal wire having a thickness of several tens of micrometers, so that an aluminum foil or copper foil of about 10 to 30 micrometers generally used as an antenna for IC tags, conductive Higher bending resistance and twisting resistance than the cured paste. Moreover, it is excellent in flexibility as compared with a metal plate having the same thickness as the metal wire.

このように、図9(a)及び図9(b)にて説明した構造は、機械的強度と柔軟性を併せ持つICタグとして好適な構造である。なお、図8及び図9を用いて説明した本形態において、アンテナは金網の他に金属線を用いた織布もしくは不織布であってもよい。また、ICチップとアンテナの接続は、異方導電性接着剤の代わりに、導電性接着剤、非導電性接着剤、はんだ接合や超音波印加による金属接合等であってもよい。さらに、本形態で用いるアンテナはICタグに要求される柔軟性を損なわないベース基材に支持されたものであってもよい。   Thus, the structure described in FIGS. 9A and 9B is a structure suitable as an IC tag having both mechanical strength and flexibility. In the present embodiment described with reference to FIGS. 8 and 9, the antenna may be a woven fabric or a non-woven fabric using a metal wire in addition to the wire mesh. Further, the connection between the IC chip and the antenna may be a conductive adhesive, a non-conductive adhesive, solder bonding, metal bonding by applying ultrasonic waves, or the like instead of the anisotropic conductive adhesive. Furthermore, the antenna used in this embodiment may be supported by a base substrate that does not impair the flexibility required for the IC tag.

図10に、本発明のICタグの第6の形態を示す。図10(a)は上面から見た概略図である。ICチップ12には2つの外部電極がICチップの表裏面にそれぞれ1個ずつ形成されており、ICチップとアンテナとのインピーダンス整合を図るためのスリット25を備えた励振スリット型ダイポールアンテナとなる金網24に短絡板34を介して接続されている。ICチップとアンテナ、ICチップと短絡板、短絡板とアンテナは異方導電性接着剤を介して接続されている。   FIG. 10 shows a sixth form of the IC tag of the present invention. FIG. 10A is a schematic view seen from above. The IC chip 12 has two external electrodes formed on the front and back surfaces of the IC chip, respectively, and a wire mesh that forms an excitation slit type dipole antenna having a slit 25 for impedance matching between the IC chip and the antenna. 24 is connected via a short-circuit plate 34. The IC chip and the antenna, the IC chip and the short circuit board, and the short circuit board and the antenna are connected via an anisotropic conductive adhesive.

図10(b)は図10(a)を断面方向から見た図である。ICチップの下面に形成された外部電極13aがアンテナに形成されたスリットの一方の側に、上面に形成された外部電極13bが短絡板34に、短絡板がアンテナに形成されたスリットの他方の側に各々異方導電性接着剤に含有される導電粒子41を介して電気的に接続され、各々の接続部間はマトリクス樹脂42によって固定されるとともに、電気的に絶縁性を保たれている。なお、図10(b)では短絡板を接続用の導体35と、導体35を支持するベース基材36の2層構造で示したが、ベース基材36は無くてもよい。   FIG.10 (b) is the figure which looked at Fig.10 (a) from the cross-sectional direction. The external electrode 13a formed on the lower surface of the IC chip is on one side of the slit formed on the antenna, the external electrode 13b formed on the upper surface is on the short-circuit plate 34, and the other electrode of the slit formed on the antenna is the short-circuit plate. Are electrically connected to each other via conductive particles 41 contained in the anisotropic conductive adhesive, and each connection portion is fixed by a matrix resin 42 and electrically insulated. . In FIG. 10B, the short-circuit plate is shown as a two-layer structure of the connecting conductor 35 and the base substrate 36 that supports the conductor 35, but the base substrate 36 may be omitted.

図10の構造にて、ICタグの基本的な動作を得ることはできるが、ICチップ及びICチップとアンテナ、ICチップと短絡板、短絡板とアンテナとの接続部を保護し、耐水性や機械的強度を確保するために、図には示さないがICチップ及び短絡板の周囲を有機樹脂等によって封止することが望ましい。なお、本形態において、アンテナは金網の他に金属線を用いた織布もしくは不織布であってもよい。   Although the basic operation of the IC tag can be obtained with the structure of FIG. 10, the IC chip and the IC chip and the antenna, the connection between the IC chip and the short circuit plate, the short circuit plate and the antenna are protected, In order to ensure mechanical strength, although not shown in the figure, it is desirable to seal the periphery of the IC chip and the short-circuit plate with an organic resin or the like. In this embodiment, the antenna may be a woven fabric or a non-woven fabric using a metal wire in addition to the wire mesh.

また、ICチップとアンテナ、ICチップと短絡板、短絡板とアンテナとの各接続は、異方導電性接着剤の代わりに、導電性接着剤、非導電性接着剤、はんだ接合や超音波印加による金属接合等であってもよい。さらに、本形態で用いるアンテナはICタグに要求される柔軟性を損なわないベース基材に支持されたものであってもよい。   In addition, each connection between IC chip and antenna, IC chip and short circuit board, short circuit board and antenna is made of conductive adhesive, non-conductive adhesive, solder joint or ultrasonic application instead of anisotropic conductive adhesive. Metal bonding or the like may be used. Furthermore, the antenna used in this embodiment may be supported by a base substrate that does not impair the flexibility required for the IC tag.

図11に、本発明のICタグの第7の形態を示す。図11(a)は上面から見た概略図である。ICチップ12には2つの外部電極がICチップの表裏面にそれぞれ1個ずつ形成されており、第1のアンテナ30に接続されている。第1のアンテナには、ICチップとアンテナとのインピーダンス整合を図るためのスリット31が形成された励振スリット型ダイポールアンテナが良好な通信特性を得るために好ましい。   FIG. 11 shows a seventh form of the IC tag of the present invention. FIG. 11A is a schematic view seen from above. Two external electrodes are formed on the front and back surfaces of the IC chip, respectively, on the IC chip 12 and connected to the first antenna 30. As the first antenna, an excitation slit type dipole antenna in which a slit 31 for impedance matching between the IC chip and the antenna is formed is preferable in order to obtain good communication characteristics.

ICチップの一方の面の外部電極は第1のアンテナに形成されたスリットの一方の側に接続され、もう一方の面の外部電極は短絡板34を介してスリットを跨いだもう一方の側に接続されている。ICチップと第1のアンテナ、ICチップと短絡板、短絡板と第1のアンテナは異方導電性接着剤を介して接続されている。さらに第1のアンテナは第2のアンテナとなる2枚の金網20a及び20bに異方導電性接着剤を介して接続されている。   The external electrode on one side of the IC chip is connected to one side of the slit formed in the first antenna, and the external electrode on the other side is connected to the other side across the slit via the short-circuit plate 34. It is connected. The IC chip and the first antenna, the IC chip and the short circuit board, and the short circuit board and the first antenna are connected via an anisotropic conductive adhesive. Further, the first antenna is connected to the two metal meshes 20a and 20b serving as the second antenna via an anisotropic conductive adhesive.

図11(b)は図11(a)を断面方向から見た図である。ICチップの下面に形成された外部電極13aが第1のアンテナに形成されたスリットの一方の側に、上面に形成された外部電極13bが短絡板34に、短絡板が第1のアンテナに形成されたスリットを跨いだもう一方の側に各々異方導電性接着剤に含有される導電粒子41を介して電気的に接続され、各々の接続部間はマトリクス樹脂42によって固定されるとともに、電気的に絶縁性を保たれている。なお、図11(b)では短絡板を接続用の導体35と、導体35を支持するベース基材36の2層構造で示したが、ベース基材36は無くてもよい。さらに第1のアンテナの両端は第2のアンテナ20a及び20bに各々導電性接着剤を介して接続されている。   FIG.11 (b) is the figure which looked at Fig.11 (a) from the cross-sectional direction. The external electrode 13a formed on the lower surface of the IC chip is formed on one side of the slit formed on the first antenna, the external electrode 13b formed on the upper surface is formed on the short circuit plate 34, and the short circuit plate is formed on the first antenna. The other side across the formed slit is electrically connected through the conductive particles 41 contained in the anisotropic conductive adhesive, and the connecting portions are fixed by the matrix resin 42 and the Insulation is maintained. In FIG. 11B, the short-circuit plate is shown as a two-layer structure of the connecting conductor 35 and the base substrate 36 that supports the conductor 35, but the base substrate 36 may be omitted. Furthermore, both ends of the first antenna are connected to the second antennas 20a and 20b via conductive adhesives, respectively.

図11の構造にて、ICタグの基本的な動作を得ることはできるが、ICチップ及びICチップとアンテナ、ICチップと短絡板、短絡板とアンテナとの接続部を保護し、耐水性や機械的強度を確保するために、図には示さないがICチップ及び短絡板の周囲を有機樹脂等によって封止することが望ましい。このように、図11(a)及び図11(b)にて説明した構造は、機械的強度と柔軟性を併せ持つICタグとして好適な構造である。なお、本形態において、第2のアンテナは金網の他に金属線を用いた織布もしくは不織布であってもよい。   Although the basic operation of the IC tag can be obtained with the structure of FIG. 11, the IC chip and the IC chip and the antenna, the IC chip and the shorting plate, the connection portion between the shorting plate and the antenna are protected, In order to ensure mechanical strength, although not shown in the figure, it is desirable to seal the periphery of the IC chip and the short-circuit plate with an organic resin or the like. As described above, the structure described with reference to FIGS. 11A and 11B is a structure suitable as an IC tag having both mechanical strength and flexibility. In this embodiment, the second antenna may be a woven fabric or a non-woven fabric using a metal wire in addition to the wire mesh.

また、ICチップと第1のアンテナ、ICチップと短絡板、短絡板と第1のアンテナ、第1のアンテナと第2のアンテナとの各接続は、異方導電性接着剤の代わりに、導電性接着剤、非導電性接着剤、はんだ接合や超音波印加による金属接合等であってもよい。さらに、本形態で用いるアンテナはICタグに要求される柔軟性を損なわないベース基材に支持されたものであってもよい。   In addition, each connection between the IC chip and the first antenna, the IC chip and the short circuit board, the short circuit board and the first antenna, and the first antenna and the second antenna is conducted in place of the anisotropic conductive adhesive. It may be a conductive adhesive, a non-conductive adhesive, solder bonding, metal bonding by applying ultrasonic waves, or the like. Furthermore, the antenna used in this embodiment may be supported by a base substrate that does not impair the flexibility required for the IC tag.

本発明の実施の形態を図1から図11を用いて説明したように、無線通信用のICチップを、金属線を用いて構成される織布もしくは不織布もしくは金網や、金属糸もしくは金属に被覆された糸を被着体に刺繍して形成した送受信アンテナに接続する構造によって、例えば衣服やタオル、シーツ等の布状の被着体に取り付けた際に、ICタグの信頼性を満足するための耐水性や機械的強度と、着心地や使い心地を損なわず被着体自体を傷めることのない柔軟性とを実現しうるICタグを実現することができる。   As described in the embodiment of the present invention with reference to FIGS. 1 to 11, an IC chip for wireless communication is covered with a woven fabric, a non-woven fabric, a metal mesh, a metal thread, or a metal formed using a metal wire. In order to satisfy the reliability of the IC tag when it is attached to a cloth-like adherend such as clothes, towels, sheets, etc., by a structure for connecting the formed thread to a transmitting / receiving antenna formed by embroidering the adherend It is possible to realize an IC tag that can realize water resistance, mechanical strength, and flexibility that does not impair the comfort and ease of use and does not damage the adherend itself.

以下、本発明の好適な実施例について説明するが、本発明はこれらの実施例に限定されるものではない。
(実施例1)
まず、同一面内に2つの外部電極が形成された、大きさが0.5mm×0.5mmの無線通信用のICチップを準備した。次に、厚さ10μmのアルミニウム箔と厚さ50μmのポリエチレンテレフタレート基材を貼り合わせたフィルムを準備し、アルミニウム箔面にエッチングレジストを形成した後にエッチング法を用いて、図3に示した、中央にT字型のスリットが形成された第1のアンテナを作製した。第1のアンテナの大きさは3mm×3mmである。
EXAMPLES Hereinafter, although the suitable Example of this invention is described, this invention is not limited to these Examples.
Example 1
First, an IC chip for wireless communication having a size of 0.5 mm × 0.5 mm in which two external electrodes are formed in the same plane was prepared. Next, a film in which an aluminum foil having a thickness of 10 μm and a polyethylene terephthalate substrate having a thickness of 50 μm are bonded together is prepared, and an etching resist is formed on the surface of the aluminum foil, and then an etching method is used. A first antenna in which a T-shaped slit was formed was manufactured. The size of the first antenna is 3 mm × 3 mm.

次に、第1のアンテナのアルミニウム箔面の所定の位置に異方導電性接着フィルム(AC−2052P−45、日立化成工業株式会社製)を仮固定し、その上にICチップの2つの電極が第1のアンテナのスリットを跨ぐように位置決めし、180℃、3MPaの条件で20秒間加熱圧着してICチップと第1のアンテナとを接続固定した。   Next, an anisotropic conductive adhesive film (AC-2052P-45, manufactured by Hitachi Chemical Co., Ltd.) is temporarily fixed at a predetermined position on the aluminum foil surface of the first antenna, and two electrodes of the IC chip are formed thereon. Was positioned so as to straddle the slit of the first antenna, and the IC chip and the first antenna were connected and fixed by thermocompression bonding at 180 ° C. and 3 MPa for 20 seconds.

次に、第2のアンテナとなるステンレス製金網(メッシュ400×400、ワイヤ太さ30μm)を幅3mm、長さ25mmの大きさに切断したものを2枚準備した。次に、第1のアンテナのアルミニウム箔面の両端約1mmの部分に異方導電性接着フィルム(AC−2052P−45、日立化成工業株式会社製)を仮固定し、その上にステンレス製金網を両端に1枚ずつ位置決めし、ICチップの上から圧着ヘッドを用いて180℃、3MPaの条件で20秒間加熱圧着して第1のアンテナと第2のアンテナとを接続固定した。次に、ICチップ及び第1のアンテナが被覆されるように、大きさが約5mm×4mm、厚みが約1mmの範囲をポリアミド樹脂で封止した。   Next, two pieces of stainless steel wire mesh (mesh 400 × 400, wire thickness 30 μm) serving as the second antenna were cut to a size of 3 mm width and 25 mm length were prepared. Next, an anisotropic conductive adhesive film (AC-2052P-45, manufactured by Hitachi Chemical Co., Ltd.) is temporarily fixed to about 1 mm on both ends of the aluminum foil surface of the first antenna, and a stainless steel wire mesh is formed thereon. One piece was positioned at both ends, and the first antenna and the second antenna were connected and fixed by heating and pressing for 20 seconds under conditions of 180 ° C. and 3 MPa using a pressure-bonding head from above the IC chip. Next, a range having a size of about 5 mm × 4 mm and a thickness of about 1 mm was sealed with polyamide resin so as to cover the IC chip and the first antenna.

以上の工程にて、図4に示す構造で幅4mm、長さ51mmのICタグを2個作製した。このICタグをICタグリーダ(MR−STD2、出力150mW、日立国際電気株式会社製)とアンテナ(直線偏波方式1パッチアンテナ、日立国際電気株式会社製)で読み取ったところ、いずれも30mmの距離で通信ができた。   Through the above steps, two IC tags having a width of 4 mm and a length of 51 mm were produced with the structure shown in FIG. When this IC tag was read with an IC tag reader (MR-STD2, output 150 mW, manufactured by Hitachi Kokusai Electric Co., Ltd.) and an antenna (linear polarization type 1 patch antenna, manufactured by Hitachi Kokusai Electric Co., Ltd.), all of them were at a distance of 30 mm. Communication was possible.

次に、上記のICタグのうちの1個を図12に示すように、タオルの折り返し部の内側に縫い付けた。また、もう1個を図13に示すように、小片の布地に縫い付け、さらにその布地をICタグが内側になるように衣服裏面の襟下部に縫い付けた。これらのタオル及び衣服を使用する際にICタグによって使い心地が損なわれることは無かった。   Next, as shown in FIG. 12, one of the above IC tags was sewn inside the folded portion of the towel. As shown in FIG. 13, the other piece was sewn to a small piece of fabric, and the fabric was further sewn to the lower part of the collar on the back of the garment so that the IC tag was inside. When these towels and clothes were used, the comfort of use was not impaired by the IC tag.

次に、上記のICタグ付きタオル及びICタグ付き衣服を家庭用ドラム式洗濯乾燥機にて洗濯、乾燥する工程を50回繰り返した。その後、これらのタオル及び衣服のICタグ縫い付け部を前記のICタグリーダとアンテナで読取ったところ、いずれも30mmの距離で通信ができた。   Next, the process of washing and drying the above towel with IC tag and clothes with IC tag in a household drum-type washing and drying machine was repeated 50 times. Then, when the IC tag sewing part of these towels and clothes was read with the IC tag reader and the antenna, communication was possible at a distance of 30 mm.

(実施例2)
まず、表裏面に各々1つずつの外部電極が形成された、大きさが0.5mm×0.5mmの無線通信用のICチップを準備した。次に、厚さ10μmのアルミニウム箔と厚さ50μmのポリエチレンテレフタレート基材を貼り合わせたフィルムを準備し、アルミニウム箔面にエッチングレジストを形成した後にエッチング法を用いて、図11に示した、中央にT字型のスリットが形成された第1のアンテナを作製した。第1のアンテナの大きさは4mm×3mmである。
(Example 2)
First, an IC chip for wireless communication having a size of 0.5 mm × 0.5 mm, in which one external electrode was formed on each of the front and back surfaces, was prepared. Next, a film in which an aluminum foil having a thickness of 10 μm and a polyethylene terephthalate base material having a thickness of 50 μm were bonded together was prepared, and an etching resist was formed on the aluminum foil surface, and then an etching method was used. A first antenna in which a T-shaped slit was formed was manufactured. The size of the first antenna is 4 mm × 3 mm.

次に、第1のアンテナのアルミニウム箔面のT字スリット右下部の所定の位置に異方導電性接着フィルム(AC−2052P−45、日立化成工業株式会社製)を仮固定し、その上にICチップの下面の電極が第1のアンテナの異方導電性接着フィルムに対向するように位置決めし、仮固定した。次に、厚さ10μmのアルミニウム箔と厚さ50μmのポリエチレンテレフタレート基材を貼り合わせたフィルムを準備し、アルミニウム箔面に異方導電性接着フィルム(AC−2052P−45、日立化成工業株式会社製)を仮接着した後、2mm×1.5mmの大きさに切断し、短絡板とした。   Next, an anisotropic conductive adhesive film (AC-2052P-45, manufactured by Hitachi Chemical Co., Ltd.) is temporarily fixed at a predetermined position in the lower right portion of the T-shaped slit on the aluminum foil surface of the first antenna, and on that, The electrodes on the lower surface of the IC chip were positioned and temporarily fixed so as to face the anisotropic conductive adhesive film of the first antenna. Next, a film in which an aluminum foil having a thickness of 10 μm and a polyethylene terephthalate substrate having a thickness of 50 μm are bonded together is prepared, and an anisotropic conductive adhesive film (AC-2052P-45, manufactured by Hitachi Chemical Co., Ltd.) is formed on the aluminum foil surface. ) Was temporarily bonded to each other and cut into a size of 2 mm × 1.5 mm to obtain a short-circuit plate.

次に、短絡板を図11に示すように、T字スリットの縦方向のスリットを跨ぎ、かつ異方導電性接着フィルム面がICチップの上面の外部電極及び第1のアンテナのアルミニウム箔面に対向する向きで位置決めした。次に、短絡板をICチップ搭載部と、第1のアンテナ面に同時に加熱圧着できるように所定の位置にICチップの厚み分の突起を設けた圧着ヘッドを用いて、180℃、3MPaの条件で20秒間加熱圧着してICチップと第1のアンテナ、ICチップと短絡板、短絡板と第1のアンテナとを同時に接続固定した。   Next, as shown in FIG. 11, the short-circuit plate straddles the longitudinal slit of the T-shaped slit, and the anisotropic conductive adhesive film surface is on the external electrode on the upper surface of the IC chip and the aluminum foil surface of the first antenna. Positioned in the opposite direction. Next, using a pressure-bonding head provided with a protrusion corresponding to the thickness of the IC chip at a predetermined position so that the short-circuit plate can be simultaneously heat-bonded to the IC chip mounting portion and the first antenna surface, conditions of 180 ° C. and 3 MPa Then, the IC chip and the first antenna, the IC chip and the short circuit board, and the short circuit board and the first antenna were connected and fixed at the same time.

次に第2のアンテナとなるステンレス製金網(メッシュ400×400、ワイヤ太さ30μm)を幅3mm、長さ25mmの大きさに切断したものを2枚準備した。次に、第1のアンテナのアルミニウム箔面の両端約1mmの部分に異方導電性接着フィルム(AC−2052P−45、日立化成工業株式会社製)を仮固定し、その上にステンレス製金網を両端に1枚ずつ位置決めし、180℃、3MPaの条件で20秒間加熱圧着して第1のアンテナと第2のアンテナとを接続固定した。次に、ICチップ及び第1のアンテナが被覆されるように、大きさが約5mm×4mm、厚みが約1mmの範囲をポリアミド樹脂で封止した。   Next, two pieces of stainless steel wire mesh (mesh 400 × 400, wire thickness 30 μm) serving as the second antenna were cut into 3 mm width and 25 mm length were prepared. Next, an anisotropic conductive adhesive film (AC-2052P-45, manufactured by Hitachi Chemical Co., Ltd.) is temporarily fixed to about 1 mm on both ends of the aluminum foil surface of the first antenna, and a stainless steel wire mesh is formed thereon. One piece was positioned at each end, and the first antenna and the second antenna were connected and fixed by thermocompression bonding at 180 ° C. and 3 MPa for 20 seconds. Next, a range having a size of about 5 mm × 4 mm and a thickness of about 1 mm was sealed with polyamide resin so as to cover the IC chip and the first antenna.

以上の工程にて、幅4mm、長さ52mmのICタグを2個作製した。このICタグをICタグリーダ(MR−STD2、出力150mW、日立国際電気株式会社製)とアンテナ(直線偏波方式1パッチアンテナ、日立国際電気株式会社製)で読み取ったところ、いずれも30mmの距離で通信ができた。   Through the above process, two IC tags having a width of 4 mm and a length of 52 mm were produced. When this IC tag was read with an IC tag reader (MR-STD2, output 150 mW, manufactured by Hitachi Kokusai Electric Co., Ltd.) and an antenna (linear polarization type 1 patch antenna, manufactured by Hitachi Kokusai Electric Co., Ltd.), all of them were at a distance of 30 mm. Communication was possible.

次に、上記のICタグのうちの1個を図12に示すように、タオルの折り返し部の内側に縫い付けた。また、もう1個を図13に示すように、小片の布地に縫い付け、さらにその布地をICタグが内側になるように衣服裏面の襟下部に縫い付けた。これらのタオル及び衣服を使用する際にICタグによって使い心地が損なわれることは無かった。   Next, as shown in FIG. 12, one of the above IC tags was sewn inside the folded portion of the towel. As shown in FIG. 13, the other piece was sewn to a small piece of fabric, and the fabric was further sewn to the lower part of the collar on the back of the garment so that the IC tag was inside. When these towels and clothes were used, the comfort of use was not impaired by the IC tag.

次に、上記のICタグ付きタオル及びICタグ付き衣服を家庭用ドラム式洗濯乾燥機にて洗濯、乾燥する工程を50回繰り返した。その後、これらのタオル及び衣服のICタグ縫い付け部を前記のICタグリーダとアンテナで読取ったところ、いずれも30mmの距離で通信ができた。   Next, the process of washing and drying the above towel with IC tag and clothes with IC tag in a household drum-type washing and drying machine was repeated 50 times. Then, when the IC tag sewing part of these towels and clothes was read with the IC tag reader and the antenna, communication was possible at a distance of 30 mm.

(比較例1)
まず、同一面内に2つの外部電極が形成された、大きさが0.5mm×0.5mmの無線通信用のICチップを準備した。次に、厚さ10μmのアルミニウム箔と厚さ50μmのポリエチレンテレフタレート基材を貼り合わせたフィルムを準備し、アルミニウム箔面にエッチングレジストを形成した後にエッチング法を用いて、図14に示す、中央にT字型のスリットが形成されたアンテナを作製した。アンテナの大きさは51mm×3mmである。
(Comparative Example 1)
First, an IC chip for wireless communication having a size of 0.5 mm × 0.5 mm in which two external electrodes are formed in the same plane was prepared. Next, a film in which an aluminum foil having a thickness of 10 μm and a polyethylene terephthalate substrate having a thickness of 50 μm are bonded together is prepared, and an etching resist is formed on the aluminum foil surface, and then an etching method is used. An antenna having a T-shaped slit was produced. The size of the antenna is 51 mm × 3 mm.

次に、アンテナのアルミニウム箔面の所定の位置に異方導電性接着フィルム(AC−2052P−45、日立化成工業株式会社製)を仮固定し、その上にICチップの2つの電極が第1のアンテナのスリットを跨ぐように位置決めし、ICチップの上から圧着ヘッドを用いて180℃、3MPaの条件で20秒間加熱圧着してICチップとアンテナとを接続固定した。次に、ICチップが被覆されるように、大きさが約5mm×4mm、厚みが約1mmの範囲をポリアミド樹脂で封止した。   Next, an anisotropic conductive adhesive film (AC-2052P-45, manufactured by Hitachi Chemical Co., Ltd.) is temporarily fixed at a predetermined position on the aluminum foil surface of the antenna, and the two electrodes of the IC chip are formed on the first electrode. The IC chip and the antenna were connected and fixed by heating and pressing for 20 seconds under the conditions of 180 ° C. and 3 MPa using a pressure-bonding head from above the IC chip. Next, a range having a size of about 5 mm × 4 mm and a thickness of about 1 mm was sealed with polyamide resin so as to cover the IC chip.

以上の工程にて、幅4mm、長さ51mmのICタグを2個作製した。このICタグをICタグリーダ(MR−STD2、出力150mW、日立国際電気株式会社製)とアンテナ(直線偏波方式1パッチアンテナ、日立国際電気株式会社製)で読み取ったところ、いずれも30mmの距離で通信ができた。   Through the above process, two IC tags having a width of 4 mm and a length of 51 mm were produced. When this IC tag was read with an IC tag reader (MR-STD2, output 150 mW, manufactured by Hitachi Kokusai Electric Co., Ltd.) and an antenna (linear polarization type 1 patch antenna, manufactured by Hitachi Kokusai Electric Co., Ltd.), all of them were at a distance of 30 mm. Communication was possible.

次に、上記のICタグを実施例1及び実施例2と同様に、1個をタオルの折り返し部の内側に、他の1個を小片の布地に縫い付け、さらにその布地をICタグが内側になるように衣服裏面の襟下部に縫い付けた。これらのタオル及び衣服を使用する際にICタグによって使い心地が損なわれることは無かった。   Next, as in Example 1 and Example 2, the above IC tag is sewn on the inside of the folded portion of the towel, and the other one is sewn on a small piece of cloth. Sewed under the collar on the back of the clothes. When these towels and clothes were used, the comfort of use was not impaired by the IC tag.

次に、上記のICタグ付きタオル及びICタグ付き衣服を家庭用ドラム式洗濯乾燥機にて洗濯、乾燥する工程を50回繰り返した。その後、これらのタオル及び衣服のICタグ縫い付け部を前記のICタグリーダとアンテナで読取ったところ、アルミニウム箔からなるアンテナが破断し、通信することができなかった。   Next, the process of washing and drying the above towel with IC tag and clothes with IC tag in a household drum-type washing and drying machine was repeated 50 times. Thereafter, when the IC tag sewing portion of these towels and clothes was read with the IC tag reader and the antenna, the antenna made of aluminum foil was broken and communication was impossible.

本発明のICタグによれば、次のような効果を得ることができる。すなわち、無線通信用のICチップを、金属線を用いて構成される織布もしくは不織布もしくは金網や、金属糸もしくは金属に被覆された糸を被着体に刺繍して形成した送受信アンテナに接続する構造によって、例えば衣服やタオル、シーツ等の布状の被着体に取り付けた際に、ICタグの信頼性を満足するための耐水性や機械的強度と、着心地や使い心地を損なわず被着体自体を傷めることのない柔軟性とを実現しうるICタグを実現することができる。上記実施例と同様に複数の開口部を有する金属加工板を用いても同様な効果が得られる。   According to the IC tag of the present invention, the following effects can be obtained. That is, an IC chip for wireless communication is connected to a transmission / reception antenna formed by embroidering a woven or non-woven fabric or a wire mesh composed of metal wires, or a metal thread or a metal-coated thread on an adherend. Depending on the structure, for example, when attached to cloth-like adherends such as clothes, towels, sheets, etc., water resistance and mechanical strength to satisfy the reliability of IC tags, as well as comfort and ease of use are not impaired. An IC tag that can realize flexibility without damaging the body itself can be realized. Similar effects can be obtained by using a metal processed plate having a plurality of openings as in the above embodiment.

本発明のICタグの一例を示す図である。It is a figure which shows an example of the IC tag of this invention. 本発明のICタグの一例を示す図である。It is a figure which shows an example of the IC tag of this invention. 本発明のICタグの一例を示す図である。It is a figure which shows an example of the IC tag of this invention. 本発明のICタグの一例を示す図である。It is a figure which shows an example of the IC tag of this invention. 本発明のICタグの一例を示す図である。It is a figure which shows an example of the IC tag of this invention. 本発明のICタグの一例を示す図である。It is a figure which shows an example of the IC tag of this invention. 本発明のICタグの一例を示す図である。It is a figure which shows an example of the IC tag of this invention. 本発明のICタグの一例を示す図である。It is a figure which shows an example of the IC tag of this invention. 本発明のICタグの一例を示す図である。It is a figure which shows an example of the IC tag of this invention. 本発明のICタグの一例を示す図である。It is a figure which shows an example of the IC tag of this invention. 本発明のICタグの一例を示す図である。It is a figure which shows an example of the IC tag of this invention. 本発明のICタグの一例を示す図である。It is a figure which shows an example of the IC tag of this invention. 本発明のICタグの一例を示す図である。It is a figure which shows an example of the IC tag of this invention. 比較のためのICタグの一例を示す図である。It is a figure which shows an example of the IC tag for a comparison.

符号の説明Explanation of symbols

10、12:ICチップ
11a、11b、13a、13b:外部電極
20a、20b:アンテナ(金網)
21、24:アンテナ(金網)
22、25:スリット
23a、23b:刺繍アンテナ
30:第1のアンテナ
31:スリット
32:導体
33:ベース基材
34:短絡板
35:導体
36:ベース基材
37:アンテナ
40:異方導電性接着剤
41:導電粒子
42:マトリクス樹脂
50:封止樹脂(有機樹脂)
60:被着体


10, 12: IC chips 11a, 11b, 13a, 13b: External electrodes 20a, 20b: Antenna (wire mesh)
21, 24: Antenna (wire mesh)
22, 25: slits 23a, 23b: embroidery antenna 30: first antenna 31: slit 32: conductor 33: base substrate 34: short circuit board 35: conductor 36: base substrate 37: antenna 40: anisotropic conductive adhesion Agent 41: Conductive particle 42: Matrix resin 50: Sealing resin (organic resin)
60: adherend


Claims (16)

無線通信用のICチップと、送受信アンテナとを備えたICタグにおいて、前記送受信アンテナの少なくとも一部が、金属線を用いて構成される織布もしくは不織布もしくは金網からなることを特徴とするICタグ。   An IC tag comprising an IC chip for wireless communication and a transmission / reception antenna, wherein at least a part of the transmission / reception antenna is made of a woven fabric, a non-woven fabric or a wire mesh made of a metal wire. . 無線通信用のICチップと、送受信アンテナとを備えたICタグにおいて、前記送受信アンテナが金属箔を加工した第1のアンテナ部材と、金属線を用いて構成される織布もしくは不織布もしくは金網からなる第2のアンテナ部材からなり、前記第1のアンテナ部材と前記第2のアンテナ部材とを電気的に接続して構成されることを特徴とするICタグ。   In an IC tag provided with an IC chip for wireless communication and a transmission / reception antenna, the transmission / reception antenna is formed of a first antenna member obtained by processing a metal foil, and a woven fabric, a nonwoven fabric, or a wire mesh formed using a metal wire. An IC tag comprising a second antenna member and configured by electrically connecting the first antenna member and the second antenna member. 無線通信用のICチップと、送受信アンテナとを備えたICタグにおいて、前記送受信アンテナの少なくとも一部が、織布もしくは不織布もしくは網の表面に金属めっき層を形成したものからなることを特徴とするICタグ。   In an IC tag provided with an IC chip for wireless communication and a transmission / reception antenna, at least a part of the transmission / reception antenna is made of a woven fabric, a nonwoven fabric, or a net having a metal plating layer formed thereon. IC tag. 無線通信用のICチップと、送受信アンテナとを備えたICタグにおいて、前記送受信アンテナが金属箔を加工した第1のアンテナ部材と、織布もしくは不織布もしくは網の表面に金属めっき層を形成したものからなる第2のアンテナ部材からなり、前記第1のアンテナ部材と前記第2のアンテナ部材とを電気的に接続して構成されることを特徴とするICタグ。   An IC tag having an IC chip for wireless communication and a transmission / reception antenna, wherein the transmission / reception antenna has a first antenna member obtained by processing a metal foil, and a metal plating layer is formed on the surface of a woven or non-woven fabric or mesh An IC tag comprising: a second antenna member comprising: the first antenna member and the second antenna member electrically connected. 織布もしくは不織布の表面にめっきされる金属は銅またはニッケルまたは銀または錫を含有することを特徴とする請求項3または4に記載のICタグ。   The IC tag according to claim 3 or 4, wherein the metal plated on the surface of the woven or non-woven fabric contains copper, nickel, silver or tin. 無線通信用のICチップと、送受信アンテナとを備えたICタグにおいて、前記送受信アンテナの少なくとも一部が、複数の開口部を有する金属加工板からなることを特徴とするICタグ。   An IC tag comprising an IC chip for wireless communication and a transmission / reception antenna, wherein at least a part of the transmission / reception antenna is made of a metal processed plate having a plurality of openings. 無線通信用のICチップと、送受信アンテナとを備えたICタグにおいて、前記送受信アンテナが金属箔を加工した第1のアンテナ部材と、複数の開口部を有する金属加工板からなる第2のアンテナ部材からなり、前記第1のアンテナ部材と前記第2のアンテナ部材とを電気的に接続して構成されることを特徴とするICタグ。   In an IC tag including an IC chip for wireless communication and a transmission / reception antenna, the transmission / reception antenna includes a first antenna member obtained by processing a metal foil, and a second antenna member formed by a metal processing plate having a plurality of openings. An IC tag comprising: the first antenna member and the second antenna member electrically connected to each other. 無線通信用のICチップと、送受信アンテナとを備えたICタグにおいて、前記送受信アンテナの少なくとも一部が、金属糸もしくは金属に被覆された糸を、織布もしくは不織布もしくはフィルムに刺繍したものからなることを特徴とするICタグ。   In an IC tag provided with an IC chip for wireless communication and a transmission / reception antenna, at least a part of the transmission / reception antenna is formed by embroidering a metal thread or a metal-coated thread on a woven fabric, a nonwoven fabric or a film. IC tag characterized by this. 無線通信用のICチップと、送受信アンテナとを備えたICタグにおいて、前記送受信アンテナが金属箔を加工した第1のアンテナ部材と、金属糸もしくは金属に被覆された糸を織布もしくは不織布もしくはフィルムに刺繍したものからなる第2のアンテナ部材からなり、前記第1のアンテナ部材と前記第2のアンテナ部材とを電気的に接続して構成されることを特徴とするICタグ。   In an IC tag including an IC chip for wireless communication and a transmission / reception antenna, the transmission / reception antenna has a first antenna member obtained by processing a metal foil, and a metal thread or a metal-coated thread is woven or non-woven fabric or film An IC tag comprising a second antenna member formed by embroidering the first antenna member and electrically connecting the first antenna member and the second antenna member. ICチップと送受信アンテナとの電気的接続部が金属接合によって形成されることを特徴とする請求項1〜9いずれかに記載のICタグ。   The IC tag according to any one of claims 1 to 9, wherein an electrical connection portion between the IC chip and the transmission / reception antenna is formed by metal bonding. ICチップと送受信アンテナとの電気的接続部がはんだ接合または抵抗溶接または超音波接合から選択されることを特徴とする請求項10に記載のICタグ。   The IC tag according to claim 10, wherein an electrical connection portion between the IC chip and the transmission / reception antenna is selected from solder bonding, resistance welding, or ultrasonic bonding. ICチップと送受信アンテナとの電気的接続部が、導電性接着剤または異方導電性接着剤または非導電性接着剤によって形成されることを特徴とする請求項1〜9いずれかに記載のICタグ。   10. The IC according to claim 1, wherein an electrical connection portion between the IC chip and the transmission / reception antenna is formed of a conductive adhesive, an anisotropic conductive adhesive, or a non-conductive adhesive. tag. 少なくともICチップと送受信アンテナとの電気的接続部が有機樹脂によって封止されていることを特徴とする請求項1〜12いずれかに記載のICタグ。   The IC tag according to claim 1, wherein at least an electrical connection portion between the IC chip and the transmission / reception antenna is sealed with an organic resin. ICチップの外部電極が対向する2つの面に形成されていることを特徴とする請求項1〜13いずれかに記載のICタグ。   The IC tag according to claim 1, wherein external electrodes of the IC chip are formed on two opposing surfaces. 送受信アンテナが励振スリットを有するダイポールアンテナであることを特徴とする請求項1〜14いずれかに記載のICタグ。   The IC tag according to claim 1, wherein the transmission / reception antenna is a dipole antenna having an excitation slit. 少なくとも送受信アンテナの一部がベース基材によって支持されていることを特徴とする請求項1〜15いずれかに記載のICタグ。






The IC tag according to claim 1, wherein at least a part of the transmission / reception antenna is supported by a base substrate.






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