JP7134600B2 - Coin type IC tag - Google Patents

Coin type IC tag Download PDF

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JP7134600B2
JP7134600B2 JP2017112037A JP2017112037A JP7134600B2 JP 7134600 B2 JP7134600 B2 JP 7134600B2 JP 2017112037 A JP2017112037 A JP 2017112037A JP 2017112037 A JP2017112037 A JP 2017112037A JP 7134600 B2 JP7134600 B2 JP 7134600B2
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material layer
tag
coin
magnetic material
specific gravity
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JP2018206152A (en
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遼太郎 松井
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Dai Nippon Printing Co Ltd
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Dai Nippon Printing Co Ltd
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本発明は，コイン型の形状をなしたＩＣタグであるコイン型ＩＣタグに関する。 The present invention relates to a coin-shaped IC tag, which is a coin-shaped IC tag.

パチンコやパチスロなどの遊技機の遊戯に係る前払い金額の残高や遊戯媒体の貯数の記録に使用する記憶媒体の一つとして，近年，コイン型ＩＣタグが提案されている。コイン型ＩＣタグは，ＩＣチップとこれに接続したアンテナを内蔵し，前払い金額の残高や遊戯媒体の貯数はこのＩＣチップに記憶される。 2. Description of the Related Art In recent years, a coin-type IC tag has been proposed as one of storage media used for recording the balance of prepaid amounts and the number of game media accumulated for games on pachinko, pachislot, and other gaming machines. The coin-type IC tag contains an IC chip and an antenna connected thereto, and the balance of the prepaid amount and the number of game media stored are stored in the IC chip.

コイン型ＩＣタグは，遊戯機の脇に設置される台間機（通称「サンド」）に投入して利用される。コイン型ＩＣタグをプラスチックのみで形成すると，コイン型ＩＣタグの重量が小さすぎて，台間機に投入されたコイン型ＩＣタグが安定して落下しないため，遊技機用のコイン型ＩＣタグには，ある程度の重量が必要になる。特許文献１では，所定の重量を得るために，円板状の高比重樹脂材料を用いるコイン型ＩＣタグが提案されている。また，特許文献２では，円板状の磁性材料を巻き芯として用いるコイン型ＩＣタグが提案されている。 Coin-shaped IC tags are used by inserting them into inter-stand machines (commonly known as "sand") installed beside amusement machines. If the coin-shaped IC tag is made of only plastic, the weight of the coin-shaped IC tag is too small, and the coin-shaped IC tag inserted into the machine does not drop stably. requires some weight. Patent document 1 proposes a coin-shaped IC tag using a disk-shaped resin material with high specific gravity in order to obtain a predetermined weight. In addition, Patent Document 2 proposes a coin-shaped IC tag that uses a disk-shaped magnetic material as a winding core.

一方で，遊技機用のコイン型ＩＣタグには，前払い金額の残高や遊戯媒体の貯数などの金銭情報が記憶されるため，所定の重量に加えて，不正使用を防止するセキュリティ機能も必要になり，特許文献３のように，コイン型ＩＣタグの不正使用防止に暗証番号を用いることが一般的である。 On the other hand, coin-type IC tags for amusement machines store monetary information such as the balance of prepaid amounts and the number of game media stored, so in addition to the specified weight, they also need security functions to prevent unauthorized use. Therefore, as in Patent Document 3, it is common to use a personal identification number to prevent unauthorized use of a coin-type IC tag.

特開２００８－７７１４０号公報Japanese Unexamined Patent Application Publication No. 2008-77140 特開２００２－７９８９号公報JP-A-2002-7989 特開２００２－２４５４２１号公報Japanese Patent Application Laid-Open No. 2002-245421

しかしながら，特許文献３では，遊技者が離席の際に，遊戯媒体が台間機から抜き取られて不正使用されるのを防止することに着目しており，コイン型ＩＣタグに記憶された情報を不正に読み出すスキミング行為に対しては着目していない。 However, Patent Document 3 focuses on preventing the illegal use of game media by removing them from the machine when the player leaves the seat. We do not pay attention to the skimming act of reading illegally.

このことを鑑みて，本発明は，所定の重量を有しスキミング防止機能を備えたコイン型ＩＣタグを提案する。 In view of this, the present invention proposes a coin type IC tag having a predetermined weight and a skimming prevention function.

上述した課題を解決する本発明は，ＩＣチップとこれに接続するアンテナを実装したインレットシートの片面に保護シートを積層し，前記インレットシートのもう一方の面に，高比重かつ磁性材料の機能を有する高比重磁性材料層を少なくとも積層させたコイン型ＩＣタグであって，磁性材料となるフェライトを粉末状にして樹脂に練り込んだ磁性シートを用いた磁性材料層と，前記磁性材料層に用いる磁性材料となるフェライトよりも比重の重い無機フィラーを樹脂に混練させた高比重樹脂材料を用いた高比重材料層の２層により前記高比重磁性材料層を構成し，前記高比重材料層を前記磁性材料層の裏面側に積層させ，前記磁性材料層に用いる前記磁性シートの厚み，並びに，前記高比重材料層に用いる高比重材料の比重および前記高比重材料層の厚みは，前記コイン型ＩＣタグに要求される所定の重量に基づき決定されていることを特徴とするコイン型ＩＣタグである。 The present invention solves the above-mentioned problems by laminating a protective sheet on one side of an inlet sheet on which an IC chip and an antenna connected thereto are mounted, and on the other side of the inlet sheet with a function of a high specific gravity and magnetic material. A coin-type IC tag in which at least a high-specific-gravity magnetic material layer with The high specific gravity magnetic material layer is composed of two layers of a high specific gravity magnetic material layer using a high specific gravity resin material in which an inorganic filler having a specific gravity higher than that of ferrite , which is a magnetic material, is kneaded with a resin. The thickness of the magnetic sheet laminated on the back side of the magnetic material layer and used for the magnetic material layer, the specific gravity of the high specific gravity material used for the high specific gravity material layer, and the thickness of the high specific gravity material layer are set according to the coin type IC. This coin-type IC tag is characterized by being determined based on a predetermined weight required for the tag.

本発明に係るコイン型ＩＣタグでは，コイン型ＩＣタグの重量が所定の重量になるように，高比重磁性材料層の比重を決定すれば，コイン型ＩＣタグの重量を所定の重量に決定できる。また，本発明に係るコイン型ＩＣタグには，磁性材料の機能を有する高比重磁性材料層が積層されているため，高比重磁性材料層が積層されている側からの電磁波は高比重磁性材料層によって遮蔽されるため，高比重磁性材料層が積層されている側からのスキミングを防止できる。 In the coin-shaped IC tag according to the present invention, the weight of the coin-shaped IC tag can be determined to a predetermined weight by determining the specific gravity of the high-specific-gravity magnetic material layer so that the coin-shaped IC tag has a predetermined weight. . In addition, since the coin-type IC tag according to the present invention is laminated with a high specific gravity magnetic material layer having a function of a magnetic material, the electromagnetic wave from the side where the high specific gravity magnetic material layer is laminated is Since it is shielded by the layer, skimming from the side where the high specific gravity magnetic material layer is laminated can be prevented.

本実施形態に係るコイン型ＩＣタグを説明する図。FIG. 2 is a diagram for explaining a coin-type IC tag according to the embodiment; 本実施形態に係るコイン型ＩＣタグの効果を説明する図。FIG. 4 is a diagram for explaining the effects of the coin-type IC tag according to the embodiment; 複層（２層）で実現した高比重磁性材料層を説明する図。FIG. 4 is a diagram for explaining a high-specific-gravity magnetic material layer realized by multiple layers (two layers);

ここから，本発明に係る実施形態を記載する。なお，以下の記載は本発明の技術的範囲を束縛するものでなく，理解を助けるために記述するものである。 Embodiments according to the present invention will now be described. In addition, the following description does not restrict the technical scope of the present invention, but is described to aid understanding.

図１は，本実施形態に係るコイン型ＩＣタグ１を説明する図である。本実施形態に係るコイン型ＩＣタグ１の形状は，コイン形状，すなわち，厚さの薄い円柱形状で，コイン型ＩＣタグ１は，ＩＣチップ１１０とこれに接続するアンテナ１１１を実装したインレットシート１１の片面に保護シート１０を積層し，インレットシート１１のもう一方の面に，高比重で磁性材料の機能を有する高比重磁性材料層１２を少なくとも積層させ，ホットメルト接着剤やアクリル系の粘着剤を用いてこれらを一体化させた構成になっている。 FIG. 1 is a diagram illustrating a coin-type IC tag 1 according to this embodiment. The shape of the coin-shaped IC tag 1 according to the present embodiment is a coin shape, that is, a cylindrical shape with a thin thickness. A protective sheet 10 is laminated on one side of the inlet sheet 11, and at least a high specific gravity magnetic material layer 12 having a high specific gravity and a function of a magnetic material is laminated on the other side of the inlet sheet 11, and a hot melt adhesive or acrylic pressure sensitive adhesive is laminated. is used to integrate them.

コイン型ＩＣタグ１に積層させる保護シート１０は，インレットシート１１の片面を保護するためのシートで，保護シート１０の表面には任意の絵柄を印刷できる。保護シート１０には，ポリエチレンテレフタレート，ポリエチレン，ポリプロピレン等，厚みが５０μｍから２００μｍ程度の一般的なプラスチックフィルムを用いることができるが，これ以外の基材であってもよい。 The protective sheet 10 laminated on the coin-shaped IC tag 1 is a sheet for protecting one side of the inlet sheet 11, and any pattern can be printed on the surface of the protective sheet 10. FIG. The protective sheet 10 can be a general plastic film having a thickness of about 50 μm to 200 μm, such as polyethylene terephthalate, polyethylene, polypropylene, etc., but other substrates may also be used.

コイン型ＩＣタグ１に積層させるインレットシート１１は，ＩＣチップ１１０とこれに接続したアンテナ１１１を実装したシートである。インレットシート１１の基材としては，保護シート１０と同様に汎用のプラスチックフィルムを用いることができる。インレットシート１１の基材には，金属箔や導電性インキなどを用いて所定形状のアンテナが形成され，前払い金額の残高や遊戯媒体の貯数などの情報を記憶させるためのメモリを有するＩＣチップ１１０がアンテナ１１１に実装される。なお，アンテナ１１１を形成する手法としては，印刷，箔押し，エッチングなどがあるが，アンテナ１１１を形成する手法いずれの手法であってもよい。 The inlet sheet 11 laminated on the coin-type IC tag 1 is a sheet on which an IC chip 110 and an antenna 111 connected thereto are mounted. As the base material of the inlet sheet 11, a general-purpose plastic film can be used like the protective sheet 10. FIG. An antenna of a predetermined shape is formed on the base material of the inlet sheet 11 using metal foil, conductive ink, etc., and an IC chip having a memory for storing information such as the balance of the prepaid amount and the number of accumulated game media. 110 is mounted on the antenna 111 . Methods for forming the antenna 111 include printing, foil stamping, etching, and the like, and any method for forming the antenna 111 may be used.

コイン型ＩＣタグ１に積層させる高比重磁性材料層１２は，コイン型ＩＣタグ１の重量を補い，更に，スキミングによる被害を防止するための部材で，これらのことを実現するために，高比重かつ磁性材料の機能を有している。コイン型ＩＣタグ１の真贋に係る造型（例えば，コイン型ＩＣタグ１の使用が許可されている店舗名）が必要な場合には，コイン型ＩＣタグ１の高比重磁性材料層１２に所定の造型を施すことができる。 The high specific gravity magnetic material layer 12 laminated on the coin type IC tag 1 is a member for compensating for the weight of the coin type IC tag 1 and for preventing damage due to skimming. And it has the function of a magnetic material. When a molding related to the authenticity of the coin-shaped IC tag 1 (for example, the name of a store where the use of the coin-shaped IC tag 1 is permitted) is required, a predetermined Molding can be applied.

図１では，コイン型ＩＣタグ１に積層させる高比重な高比重磁性材料層１２は単層である。コイン型ＩＣタグ１の高比重磁性材料層１２を単層で実現する場合，フェライト磁石などの磁石を高比重磁性材料層１２に用いることができる。フェライト磁石の比重は４．９ｇ／ｃｍ3であるため，コイン型ＩＣタグ１の直径が５００円硬貨と同じ（２６．５ｍｍ）で，高比重磁性材料層１２の厚みを１．８ｍｍとすれば，コイン型ＩＣタグ１全体の重量を約５ｇにすることができる。 In FIG. 1, the high-specific-gravity magnetic material layer 12 laminated on the coin-type IC tag 1 is a single layer. When realizing the high specific gravity magnetic material layer 12 of the coin-type IC tag 1 with a single layer, a magnet such as a ferrite magnet can be used for the high specific gravity magnetic material layer 12 . Since the ferrite magnet has a specific gravity of 4.9 g/cm 3 , if the diameter of the coin-shaped IC tag 1 is the same as a 500-yen coin (26.5 mm) and the thickness of the high-specific-gravity magnetic material layer 12 is 1.8 mm, , the total weight of the coin-shaped IC tag 1 can be reduced to about 5 g.

図２は，本実施形態に係るコイン型ＩＣタグ１の効果を説明する図である。図２（ａ）は，コイン型ＩＣタグ１の保護シート１０側がリーダライタ２にかざれたときの図である。図１を用いて説明したコイン型ＩＣタグ１の保護シート１０側がリーダライタ２にかざれた場合，リーダライタ２とインレットシート１１の間に高比重磁性材料層１２はないため，リーダライタ２が発する電磁波は遮蔽されることなくコイン型ＩＣタグ１のインレットシート１１に届き，インレットシート１１に実装されたＩＣチップ１１０は動作する。 FIG. 2 is a diagram for explaining the effects of the coin-type IC tag 1 according to this embodiment. FIG. 2(a) is a view of the coin-type IC tag 1 when the protective sheet 10 side is held over the reader/writer 2. FIG. When the protection sheet 10 side of the coin-shaped IC tag 1 described with reference to FIG. The emitted electromagnetic wave reaches the inlet sheet 11 of the coin-shaped IC tag 1 without being shielded, and the IC chip 110 mounted on the inlet sheet 11 operates.

図２（ｂ）は，コイン型ＩＣタグ１の高比重磁性材料層１２側がリーダライタ２にかざれたときの図である。図１を用いて説明したコイン型ＩＣタグ１の高比重磁性材料層１２側がリーダライタ２にかざれた場合，リーダライタ２とインレットシート１１の間に高比重磁性材料層１２があるため，リーダライタ２が発する電磁波は，高比重磁性材料層１２が有する磁性材料の機能によって集束されてしまいコイン型ＩＣタグ１のインレットシート１１に届かず，インレットシート１１に実装されたＩＣチップ１１０は動作しない。 FIG. 2(b) is a view of the coin-type IC tag 1 when the side of the high specific gravity magnetic material layer 12 is held over the reader/writer 2. As shown in FIG. When the high-specific-gravity magnetic material layer 12 side of the coin-type IC tag 1 described with reference to FIG. The electromagnetic waves emitted by the writer 2 are focused by the function of the magnetic material of the high specific gravity magnetic material layer 12 and do not reach the inlet sheet 11 of the coin-type IC tag 1, and the IC chip 110 mounted on the inlet sheet 11 does not operate. .

このように，コイン型ＩＣタグ１は，高比重磁性材料層１２が積層されている方向からの電磁波がインレットシート１１に届かないように構成されているため，高比重磁性材料層１２の側を外側に向けてコイン型ＩＣタグ１を持ち運べば，スキミングによる被害を防止できる。 In this way, the coin-type IC tag 1 is configured so that electromagnetic waves from the direction in which the high-specific-gravity magnetic material layer 12 is laminated do not reach the inlet sheet 11, so the high-specific-gravity magnetic material layer 12 side is If the coin-shaped IC tag 1 is carried outward, damage caused by skimming can be prevented.

なお，図１では，コイン型ＩＣタグ１の高比重磁性材料層１２を単層として図示しているが，コイン型ＩＣタグ１の高比重磁性材料層１２を複層にすることで，コイン型ＩＣタグ１の重量をより重くできる。 In FIG. 1, the high-specific-gravity magnetic material layer 12 of the coin-shaped IC tag 1 is illustrated as a single layer. The weight of the IC tag 1 can be made heavier.

図３は，複層（２層）で実現した高比重磁性材料層１２を説明する図である。図３で図示したコイン型ＩＣタグ１の高比重磁性材料層１２は，磁性材料を用いた磁性材料層１２０と，磁性材料層１２０に用いる磁性材料よりも比重の重い高比重材料を用いた高比重材料層１２１の２層により構成されている。磁性材料層１２０には，フェライトなど高透磁率の磁性材料を粉末状にして樹脂（ゴムやシリコンなど）に練り込んだ磁性シートを利用できる。高比重材料層１２１には，タングステン，銅，鉄など高比重の無機フィラーを樹脂に混練させた高比重樹脂材料やタングステン，銅，鉄などの金属板を利用できる。 FIG. 3 is a diagram for explaining the high specific gravity magnetic material layer 12 realized by multiple layers (two layers). The high specific gravity magnetic material layer 12 of the coin-shaped IC tag 1 illustrated in FIG. It is composed of two layers of a specific gravity material layer 121 . For the magnetic material layer 120, a magnetic sheet in which a magnetic material having a high magnetic permeability such as ferrite is pulverized and kneaded into a resin (rubber, silicon, etc.) can be used. For the high specific gravity material layer 121, a high specific gravity resin material obtained by kneading a resin with a high specific gravity inorganic filler such as tungsten, copper, or iron, or a metal plate of tungsten, copper, iron, or the like can be used.

コイン型ＩＣタグ１の高比重磁性材料層１２を２層で構成した場合であっても，高比重磁性材料層１２が積層されている方向からの電磁波はインレットシート１１には届かない。例えば，高比重磁性材料層１２の高比重材料層１２１を金属板で構成した場合，高比重磁性材料層１２が積層されている方向からの電磁波は金属板で遮蔽される。また，高比重材料層１２１が高比重樹脂材料の場合，高比重磁性材料層１２が積層されている方向からの電磁波は，高比重樹脂材料に含まれる無機フィラーや磁性材料層１２０で遮蔽される。 Even if the high specific gravity magnetic material layer 12 of the coin-type IC tag 1 is composed of two layers, the electromagnetic wave from the direction in which the high specific gravity magnetic material layer 12 is laminated does not reach the inlet sheet 11 . For example, when the high specific gravity material layer 121 of the high specific gravity magnetic material layer 12 is composed of a metal plate, electromagnetic waves from the direction in which the high specific gravity magnetic material layer 12 is laminated are shielded by the metal plate. Further, when the high specific gravity material layer 121 is made of a high specific gravity resin material, electromagnetic waves from the direction in which the high specific gravity magnetic material layer 12 is laminated are shielded by the inorganic filler contained in the high specific gravity resin material and the magnetic material layer 120. .

コイン型ＩＣタグ１の高比重磁性材料層１２を２層にし，高比重材料層１２１により高比重な材料を用いることで，コイン型ＩＣタグ１の重量をより重くできる。例えば，高比重磁性材料層１２の高比重材料層１２１に，フェライト磁石よりも比重の重い銅（約８．９ｇ／ｃｍ3）を用いれば，フェライト磁石のみで高比重磁性材料層１２を構成したときよりも，コイン型ＩＣタグ１の重量を重くできる。例えば，コイン型ＩＣタグ１のサイズが５００円硬貨と同じ（２６．５ｍｍ）で，高比重磁性材料層１２の磁性材料層１２０に用いる磁性シートの厚みを０．２ｍｍ，高比重磁性材料層１２の高比重材料層１２１に用いる銅板の厚みを１．６ｍｍすれば，コイン型ＩＣタグ１全体の重量を約８ｇにすることができる。 The weight of the coin-shaped IC tag 1 can be increased by using two high-specific-gravity magnetic material layers 12 of the coin-shaped IC tag 1 and using a high-specific-gravity material for the high-specific-gravity material layer 121 . For example, if the high specific gravity material layer 121 of the high specific gravity magnetic material layer 12 is made of copper (approximately 8.9 g/cm 3 ), which has a higher specific gravity than the ferrite magnet, the high specific gravity magnetic material layer 12 can be configured only with the ferrite magnet. The weight of the coin type IC tag 1 can be made heavier than usual. For example, if the size of the coin-type IC tag 1 is the same as a 500 yen coin (26.5 mm), the thickness of the magnetic sheet used for the magnetic material layer 120 of the high specific gravity magnetic material layer 12 is 0.2 mm, and the thickness of the magnetic material layer 12 is 0.2 mm. If the thickness of the copper plate used for the high specific gravity material layer 121 is 1.6 mm, the weight of the entire coin type IC tag 1 can be reduced to about 8 g.

１ コイン型ＩＣタグ
１０ 保護シート
１１ インレットシート
１１０ ＩＣチップ
１１１ アンテナ
１２ 高比重磁性材料層
１２０ 磁性材料層
１２１ 高比重材料層
REFERENCE SIGNS LIST 1 coin-shaped IC tag 10 protective sheet 11 inlet sheet 110 IC chip 111 antenna 12 high specific gravity magnetic material layer 120 magnetic material layer 121 high specific gravity material layer

Claims (1)

ＩＣチップとこれに接続するアンテナを実装したインレットシートの片面に保護シートを積層し，前記インレットシートのもう一方の面に，高比重かつ磁性材料の機能を有する高比重磁性材料層を少なくとも積層させたコイン型ＩＣタグであって，
磁性材料となるフェライトを粉末状にして樹脂に練り込んだ磁性シートを用いた磁性材料層と，前記磁性材料層に用いる磁性材料となるフェライトよりも比重の重い無機フィラーを樹脂に混練させた高比重樹脂材料を用いた高比重材料層の２層により前記高比重磁性材料層を構成し，前記高比重材料層を前記磁性材料層の裏面側に積層させ，前記磁性材料層に用いる前記磁性シートの厚み，並びに，前記高比重材料層に用いる高比重材料の比重および前記高比重材料層の厚みは，前記コイン型ＩＣタグに要求される所定の重量に基づき決定されていることを特徴とするコイン型ＩＣタグ。 A protective sheet is laminated on one side of an inlet sheet on which an IC chip and an antenna connected thereto are mounted, and at least a high specific gravity magnetic material layer having a high specific gravity and a function of a magnetic material is laminated on the other side of the inlet sheet. A coin-type IC tag,
A magnetic material layer using a magnetic sheet in which ferrite , which is a magnetic material, is powdered and kneaded into a resin, and a high density material in which an inorganic filler, which has a higher specific gravity than the ferrite , which is a magnetic material used in the magnetic material layer, is kneaded with the resin. The high-specific-gravity magnetic material layer is composed of two layers of a high-specific-gravity material layer using a specific-gravity resin material, and the high-specific-gravity material layer is laminated on the back side of the magnetic material layer, and the magnetic sheet used for the magnetic material layer , the specific gravity of the high specific gravity material used for the high specific gravity material layer, and the thickness of the high specific gravity material layer are determined based on the predetermined weight required for the coin-type IC tag. Coin type IC tag.
JP2017112037A 2017-06-06 2017-06-06 Coin type IC tag Active JP7134600B2 (en)

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Citations (4)

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JP2001331772A (en) 2000-05-22 2001-11-30 Sony Corp Non-contact type information transfer device and system/ device/method for processing information
JP2002312745A (en) 2001-04-10 2002-10-25 Omron Corp Coin-shaped storage medium and manufacturing method therefor
JP2006331101A (en) 2005-05-26 2006-12-07 Mitsubishi Materials Corp Rfid tag
JP2007310696A (en) 2006-05-19 2007-11-29 Nippo Ltd Ic token

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US6441741B1 (en) * 1999-05-17 2002-08-27 Avid Identification Systems, Inc. Overmolded transponder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001331772A (en) 2000-05-22 2001-11-30 Sony Corp Non-contact type information transfer device and system/ device/method for processing information
JP2002312745A (en) 2001-04-10 2002-10-25 Omron Corp Coin-shaped storage medium and manufacturing method therefor
JP2006331101A (en) 2005-05-26 2006-12-07 Mitsubishi Materials Corp Rfid tag
JP2007310696A (en) 2006-05-19 2007-11-29 Nippo Ltd Ic token

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