JPH1125244A - Non-contact data carrier package - Google Patents

Non-contact data carrier package

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Publication number
JPH1125244A
JPH1125244A JP17242897A JP17242897A JPH1125244A JP H1125244 A JPH1125244 A JP H1125244A JP 17242897 A JP17242897 A JP 17242897A JP 17242897 A JP17242897 A JP 17242897A JP H1125244 A JPH1125244 A JP H1125244A
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JP
Japan
Prior art keywords
data carrier
non
antenna coil
contact data
carrier package
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Pending
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JP17242897A
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Japanese (ja)
Inventor
Satoshi Uenaka
聡史 上中
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Toshiba Chem Corp
東芝ケミカル株式会社
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Application filed by Toshiba Chem Corp, 東芝ケミカル株式会社 filed Critical Toshiba Chem Corp
Priority to JP17242897A priority Critical patent/JPH1125244A/en
Publication of JPH1125244A publication Critical patent/JPH1125244A/en
Application status is Pending legal-status Critical

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Abstract

PROBLEM TO BE SOLVED: To realize a non-contact data carrier package having a long communication distance. SOLUTION: In this non-contact data carrier package, a conductive sheet 5 is arranged in the surrounding of an antenna coil 2 so as to be overlapped on one part of the radiating face of the antenna coil 2. Thus, each kind of parameter such as the area, shape, and thickness of the conductive sheet 5, and a position relation with the antenna coil 2 is optimally selected so that the radiation efficiency of the antenna coil 2 can be increased, and a communication distance can be significantly extended.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は、非接触形のデータキャリアパッケージに関する。 The present invention relates to relates to a data carrier package of the non-contact type.

【0002】 [0002]

【従来の技術】非接触データキャリアシステムは、物品等に取り付けられる非接触デーキャリアと呼ばれる応答器と、ホスト側に接続される質問器とで構成され、これら応答器と質問器との間で、磁気、誘導電磁界、マイクロ波(電波)等の伝送媒体を介して非接触で交信を行う点を特徴とする。 BACKGROUND OF THE INVENTION Non-contact data carrier system includes a transponder called a non-contact data carrier attached to an article or the like, is composed of a interrogator connected to the host side, between these responder and interrogator , magnetic, induction field, and wherein the point which communicates in a non-contact manner via a transmission medium such as a microwave (electric wave).

【0003】非接触データキャリアシステムの情報伝送方式には電磁結合方式、電磁誘導方式、マイクロ波方式、光通信方式等がある。 [0003] Non-contact data carrier system of information transmission scheme electromagnetic coupling method, the electromagnetic induction method, a microwave method, there is an optical communication system or the like. これらの方式の中で、電磁結合方式、マイクロ波方式によるものは、質問器からの伝送信号のエネルギーを応答器の駆動電力として用いることができる。 Among these method, an electromagnetic coupling method, by microwave method can be used the energy of the transmission signal from the interrogator as a driving power of the response unit. このため、電池を駆動源とする場合のように、電池の寿命が近付いてきたことによる応答能力の劣化や使用限界に至る心配がないという更なる利点を有している。 Thus, there is a further advantage, the there is no fear that leads to deterioration and use limit of the ability to respond due to approaching the life of the battery as in the case of a driving source cell.

【0004】図5に非接触データキャリアシステムの全体的な構成を示す。 [0004] shows the general configuration of the non-contact data carrier system in FIG. 同図に示すように、非接触データキャリアシステムは質問器10と応答器(非接触データキャリア)20から構成される。 As shown in the figure, the non-contact data carrier system consists of an interrogator 10 and a responder (non-contact data carrier) 20.

【0005】質問器10は、質問器10の全体制御を行う主制御部11と、ホスト装置とのデータの入出力を制御するインターフェース部12と、非接触データキャリア20より受信したタグ情報等を蓄積する読み出し/書き込み可能なRAM等の記憶部13と、送信情報をデジタル信号からアナログ信号に変換し、且つ非接触データキャリア20からの受信信号をアナログ信号からデジタル信号に変換する信号変換部14と、送信信号を例えばASK(Amplitude Shift Keying)方式、FSK(Freq [0005] Interrogator 10 includes a main control unit 11 controls the entire interrogator 10, an interface unit 12 for controlling input and output of data with the host device, tag information, etc. The received from the non-contact data carrier 20 a storage unit 13 such as a readable / writable RAM for storing, signal converter 14 for converting the transmitted information from the digital signal into an analog signal, and the received signal from the non-contact data carrier 20 into a digital signal from an analog signal When a transmission signal e.g. ASK (Amplitude Shift Keying) scheme, FSK (Freq
uency Shift Keying)方式等で伝送用の信号に変調する変調部15と、受信信号を復調する復調部16と、送信アンテナ17と、受信アンテナ18とを備えて構成される。 And uency Shift Keying) modulator 15 for modulating the signal for transmission in a manner such, a demodulator 16 for demodulating the received signal, and comprises a transmitting antenna 17, a receiving antenna 18.

【0006】応答器(非接触データキャリア)20は、 [0006] responder (non-contact data carrier) 20,
この非接触データキャリア20の全体制御を行う主制御部21と、タグ情報を蓄積するEEPROM等の電源バックアップ不要な記憶部22と、送信情報をデジタル信号からアナログ信号に変換し、且つ質問器10からの受信信号をアナログ信号からデジタル信号に変換する信号変換部23と、送信信号をASK方式、FSK方式等で伝送用の信号に変調する変調部24と、受信信号を復調する復調部25と、送信アンテナ26と、受信アンテナ27とを備えて構成される。 A main control unit 21 that performs overall control of the non-contact data carrier 20, a power back-up unnecessary memory unit 22 such as an EEPROM for storing tag information, the transmission information is converted from a digital signal to an analog signal, and an interrogator 10 a signal converter 23 for converting the analog signal to a digital signal received signals from, ASK method a transmission signal, a modulation unit 24 for modulating the signal for transmission by FSK system, etc., a demodulator 25 for demodulating the received signal , a transmitting antenna 26, constituted by a receiving antenna 27.

【0007】この非接触データキャリアシステムの基本的な交信手順は次の通りである。 [0007] The basic communication procedure of the non-contact data carrier system is as follows.

【0008】質問器10は、まず非接触データキャリア20に対するタグ情報読取りのための質問信号を発信する。 [0008] Interrogator 10 first transmits an interrogation signal for tag information reading for the non-contact data carrier 20. 非接触データキャリア20は該質問信号の受信可能な範囲に入るとこれを受信して、記憶部22に記憶されているタグ情報を応答信号として発信する。 Contactless data carrier 20 receives it enters the receivable range of the interrogation signal, transmits the tag information in the storage unit 22 is stored as the response signal. この応答信号を質問器10が受信、解読して、タグ識別情報としてホスト装置に送る。 The response signal interrogator 10 is received, decodes and sends the tag identification information to the host device.

【0009】応答器(非接触データキャリア)は、質問器との間で信号を送受信するためのアンテナ部品と回路部品とから構成され、耐環境性を考慮して、樹脂等からなる外装部によってアンテナ部品や回路部品等の内部部品群を気密に封止して構成される。 [0009] responder (non-contact data carrier) is composed of an antenna component and the circuit component for transmitting and receiving signals to and from the interrogator, in consideration of environmental resistance, the outer portion made of a resin or the like It constructed an internal component group such antenna components and circuit components are sealed airtight.

【0010】 [0010]

【発明が解決しようとする課題】ところで、このような非接触データキャリアシステムでは、応答器(非接触データキャリア)と質問器との交信距離を引き延ばすことが要求のひとつとしてある。 [SUMMARY OF THE INVENTION Incidentally, in such non-contact data carrier system, can extend the communication distance between the responder (non-contact data carrier) and the interrogator there as one request. 交信距離を延ばす対策としては例えばアンテナコイルの大径化などが考えられる。 As a measure to extend the communication distance are conceivable, such as large diameter of, for example, the antenna coil.
しかしながら、アンテナコイルの大径化は非接触データキャリアパッケージのサイズ増にむすびつくことから、 However, large diameter of the antenna coil because it leads to size increase of the non-contact data carrier package,
特に交信距離を飛躍的に引き延ばしたい要請に対しては十分な対策とはならない。 Not a sufficient measure for the request, particularly want to dramatically stretch the communication distance.

【0011】本発明はこのような事情を鑑みてなされたもので、コイルアンテナの大径化に拠らずに交信距離を飛躍的に引き延ばすことのできる非接触データキャリアパッケージの提供を目的としている。 [0011] The present invention has been made in view of such circumstances, and aims to provide a non-contact data carrier package that can be extended dramatically the communication distance without using the large diameter of the coil antenna .

【0012】 [0012]

【課題を解決するための手段】上記目的を達成するために、本発明の非接触データキャリアパッケージは、アンテナコイルを有する非接触データキャリアパッケージにおいて、前記アンテナコイルの周囲に該アンテナコイルの放射面と一部重ねて導電性部材を配置してなるものである。 To achieve the above object, according to the Invention The non-contact data carrier package of the present invention, the non-contact data carrier package having an antenna coil, the radiation surface of the antenna coil around the antenna coil those formed by arranging a conductive member partially overlapped when.

【0013】また、本発明は、この非接触データキャリアパッケージにおいて、導電性部材に、アンテナコイルの放射面を一部露出するための第1の切欠部と、この第1の切欠部から導電性部材の末端に亘る第2の切欠部とを設けてなるものである。 Further, the present invention is, in this non-contact data carrier package, the conductive members, a first notch for exposing a part of the radiation surface of the antenna coil, the conductive from the first notch those formed by providing a second notch over the ends of the member.

【0014】このように構成された非接触データキャリアパッケージにおいては、導電性部材の面積、形状、厚さ、およびアンテナコイルとの位置関係等の各種パラメータを最適に選ぶことによってアンテナコイルの放射効率を高めることができ、交信距離を飛躍的に引き延ばすことができる。 [0014] In such a non-contact data carrier package is constructed, the area of ​​the conductive member, the shape, thickness, and the radiation efficiency of the antenna coil by optimally selecting the various parameters of the positional relationship between the antenna coil can be enhanced, it is possible to extend the communication distance dramatically.

【0015】また、導電性部材に、アンテナコイルの放射面の一部を露出する第1の切欠部から導電性部材の末端に亘る第2の切欠部を設けたことで、より一層、アンテナコイルの放射効率を高めることができ、交信距離を引き延ばすことができる。 Further, the conductive member, the provision of the second cutout portion ranging from the first notch for exposing a part of the radiation surface of the antenna coil to the end of the conductive member, further, the antenna coil radiation efficiency can be increased, it is possible to extend the communication distance.

【0016】 [0016]

【発明の実施の形態】以下、本発明の実施の形態について図面に基づいて説明する。 BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, will be explained based on the drawings showing a preferred embodiment of the present invention.

【0017】図1は本実施形態の非接触データキャリアパッケージの構成を示す平面図、図2はその断面図である。 [0017] Figure 1 is a plan view showing the configuration of a non-contact data carrier package of the present embodiment, FIG. 2 is a sectional view thereof.

【0018】これらの図において、1は非接触データキャリアの内部部品であり、この内部部品1は例えば樹脂被覆の施された銅線等からなるアンテナコイル2と、図5に示した応答器(非接触データキャリア)20の各機能部(送受信アンテナを除く)を内蔵したICチップが実装された基板3から構成される。 [0018] In these figures, 1 is an internal component of the non-contact data carrier, the internal component 1 and antenna coil 2 made of, for example, has been subjected to a resin-coated copper wire or the like, the responder shown in Fig. 5 ( composed of a non-contact data carrier) 20 substrate 3 on which the IC chip is mounted with a built-in function units (excluding the transmitting and receiving antennas) of. この非接触データキャリアの内部部品1は、樹脂製フィルム4によって全面被覆が施された導電性シート5と重ね合わされ、さらに外装樹脂6によって全体を包囲するように一体化されている。 The inner part 1 of the contactless data carrier is entirely coated with a resin film 4 are overlaid with electrically conductive sheet 5 that has been subjected, it is integrated so as to further surround the entire by exterior resin 6.

【0019】導電性シート5にはアンテナコイル2の放射面の外形に対応した形状の第1の切欠部5aが設けられており、この第1の切欠部5aからアンテナコイル2 The first notch portion 5a having a shape corresponding to the outer shape of the radiation surface of the antenna coil 2 in the conductive sheet 5 is provided, the antenna coil 2 from the first notch portion 5a
の放射面の中心部分のみが露出するように、非接触データキャリアの内部部品1と導電性シート5とを重ね合わせることで、アンテナコイル2の周囲にアンテナコイル2の放射面と一部重ねて導電性シート5を配置した構成の非接触データキャリアパッケージを実現している。 Of so that only the central portion of the radiating surface is exposed, by overlapping the inner part 1 and the conductive sheet 5 of the non-contact data carrier, superimposed emitting surface and a part of the antenna coil 2 around the antenna coil 2 a conductive sheet 5 is realized contactless data carrier packages arranged configuration.

【0020】また、導電性シート5には第1の切欠部5 Further, the conductive sheet 5 first notch 5
aの他に、この第1の切欠部5aから導電性シート5の末端に亘る第2の切欠部5bが設けられている。 In addition to a, the second cutout portion 5b over the end of the conductive sheet 5 is provided from the first notch portion 5a.

【0021】ここで、導電性シート5の材料としては、 [0021] Here, as a material of the conductive sheet 5,
アルミニウム、銅、銀などを挙げることができるが、導電性に優れるものならば何でもよい。 Aluminum, copper, silver, and the like, any good if those excellent conductivity.

【0022】樹脂製フィルム4は、導電性シート5の腐食防止のために導電性シート5を気密に封止するためのものである。 The resin film 4 is for sealing the conductive sheet 5 hermetically to prevent corrosion of the conductive sheet 5. その材料としては、密封性、耐薬品性に優れているポリエステル樹脂、ポリエチレン樹脂、ポリプロピレン樹脂、ポリアミド樹脂、ポリイミドフィルム樹脂等が挙げられる。 As the material, sealing property, polyester resins are excellent in chemical resistance, polyethylene resin, polypropylene resin, polyamide resin, and a polyimide film resin.

【0023】このように本実施形態の非接触データキャリアパッケージは、アンテナコイル2の周囲にアンテナコイル2の放射面と一部重ねて導電性シート5を配置した構成をとるものであり、このように構成したことにより、導電性シート5の面積、形状、厚さ、およびアンテナコイル2との位置関係等の各種パラメータを最適に選択することでアンテナコイル2の放射効率を高めることができ、交信距離を飛躍的に引き延ばすことが可能である。 The non-contact data carrier package according to this preferred embodiment is intended to adopt a configuration of arranging the conductive sheet 5 superposed radiation surface and a portion of the antenna coil 2 around the antenna coil 2, thus with the arrangements, the area of ​​the conductive sheet 5, the shape, it is possible to increase the thickness, and the radiation efficiency of the antenna coil 2 by the various parameters of positional relationship between the antenna coil 2 optimally selected, communication distance it is possible that the stretching dramatically.

【0024】また、導電性シート5に、アンテナコイル2の放射面を一部露出する第1の切欠部5aとこの第1 Further, the conductive sheet 5, the first cutout portion 5a Toko partially exposed to the radiation surface of the antenna coil 2 1
の切欠部5aから導電性シート5の末端に亘る第2の切欠部5bを設けることによって、より一層交信距離の延ばすことができる。 By providing a second notch 5b ranging from the notch portion 5a at the end of the conductive sheet 5 may be more prolonged even the communication distance.

【0025】 [0025]

【実施例】次に、本発明の具体的な実施例を説明する。 EXAMPLES Next, specific examples of the present invention.

【0026】(実施例1)図3、図4に示すように、直径0.07mmの銅線を用いて、内径10mm、外形1 [0026] (Embodiment 1) As shown in FIGS. 3 and 4, by using a copper wire having a diameter of 0.07 mm, an inner diameter of 10 mm, outer 1
8mm、厚さ1.2mmの円形コイルを作製しアンテナコイル2とした。 8 mm, and the antenna coil 2 to form a circular coil having a thickness of 1.2 mm. 次に、アンテナコイル2の両端を、記憶素子などの回路素子を実装した8mm角の基板3の端子にはんだ付けし、アンテナコイル2と回路素子を電気的、物理的に接合した。 Then, both ends of the antenna coil 2, is soldered to terminals of the substrate 3 of 8mm square on which a circuit element is mounted, such as a storage element, electrically the antenna coil 2 and the circuit elements, and physically joined.

【0027】一方、電気伝導性のあるシートとして、厚さ0.05mmのアルミ箔を46×76mmの長方形状に加工した後、一つのコーナから16×16mmの位置を中心とする半径6mmの円形の穴(第1の切欠部5 On the other hand, as an electrically conductive sheet, after processing the aluminum foil having a thickness of 0.05mm to rectangular 46 × 76 mm, a circular radius 6mm around the position from one corner 16 × 16 mm notch 5 of the hole (the first
a)を開け、さらにそのコーナから16×16mmの正方形部分を切り取って(第2の切欠部5b)、こうして製作された導電性シート5をポリエチレンフィルム4により包囲した。 Opened a), further cut the square portion from its corner 16 × 16 mm (second notch 5b), thus the conductive sheet 5 that has been produced and surrounded by a polyethylene film 4.

【0028】次に、アンテナコイル2の放射面の中心部を含む一部が円形穴(第1の切欠部5a)から露出するように両者を重ね合わせた後、全体を塩化ビニールシート6により包囲し、非接触データキャリアパッケージとした。 Next, after a portion including the central portion of the radiating surface of the antenna coil 2 to each other so as to be exposed from the circular hole (first notch 5a), surrounded by a vinyl chloride sheet 6 across and to obtain a non-contact data carrier package.

【0029】そして導電性シートを設けない点を除いて同一条件で作製された非接触データキャリアパッケージと本実施例の非接触データキャリアパッケージとで交信距離を比較したところ、導電性シートのパッケージの交信距離は210mmであったのに対して、本実施例のパッケージの交信距離は260mmまで交信距離が伸びた。 [0029] Then were compared communication distance between the non-contact data carrier package of the non-contact data carrier package and this example was prepared under the identical conditions except without the conductive sheet, the conductive sheet of the package whereas communication distance was 210 mm, communication distance of the package of the present embodiment has an extending communication distance to 260 mm.

【0030】(実施例2)図1、図2に示すように、直径0.07mmの銅線を用いて、内径10mm、外形1 [0030] (Embodiment 2) As shown in FIGS. 1 and 2, using a copper wire having a diameter of 0.07 mm, an inner diameter of 10 mm, outer 1
8mm、厚さ1.2mmの円形コイルを作製しアンテナコイル2とした。 8 mm, and the antenna coil 2 to form a circular coil having a thickness of 1.2 mm. 次に、アンテナコイル2の両端を、記憶素子などの回路素子を実装した8mm角の基板3の端子にはんだ付けし、アンテナコイル2と回路素子を電気的、物理的に接合した。 Then, both ends of the antenna coil 2, is soldered to terminals of the substrate 3 of 8mm square on which a circuit element is mounted, such as a storage element, electrically the antenna coil 2 and the circuit elements, and physically joined.

【0031】一方、電気伝導性のあるシートとして、厚さ0.05mmのアルミ箔を46×76mmの長方形状に加工した後、中心から半径5mmの円形の穴(第1の切欠部5a)を開け、さらにその穴5aからアルミ箔の末端まで幅1mmの切り欠き(第2の切欠部5b)を入れ、こうして製作された導電性シート5をポリエチレンフィルム4により包囲した。 On the other hand, as an electrically conductive sheet, after processing the aluminum foil having a thickness of 0.05mm to rectangular 46 × 76 mm, a circular hole of radius 5mm from the center (first notch 5a) opened, the cut of width 1mm to the end of the aluminum foil from the hole 5a lack put (second notch 5b), thus the conductive sheet 5 that has been produced and surrounded by a polyethylene film 4 further.

【0032】次に、アンテナコイル2の放射面の中心部分のみが円形穴(第1の切欠部5a)から露出するように両者を重ね合わせた後、全体を塩化ビニールシート6 [0032] Then, only the central portion of the radiating surface of the antenna coil 2 to each other so as to be exposed from the circular hole (first notch 5a), vinyl chloride entire sheet 6
により包囲し、非接触データキャリアパッケージとした。 Surrounded by, and the non-contact data carrier package.

【0033】そして導電性シートを設けない点を除いて同一条件で作製された非接触データキャリアパッケージと本実施例の非接触データキャリアパッケージとで交信距離を比較したところ、導電性シートのパッケージの交信距離は210mmであったのに対して、本実施例のパッケージの交信距離は380mmまで交信距離が伸びた。 [0033] Then were compared communication distance between the non-contact data carrier package of the non-contact data carrier package and this example was prepared under the identical conditions except without the conductive sheet, the conductive sheet of the package whereas communication distance was 210 mm, communication distance of the package of the present embodiment has an extending communication distance to 380 mm.

【0034】 [0034]

【発明の効果】以上説明したように本発明の非接触データキャリアパッケージによれば、アンテナコイルの周囲に該アンテナコイルの放射面と一部重ねて導電性部材を配置したことによって、導電性部材の面積、形状、厚さ、およびアンテナコイルとの位置関係等の各種パラメータを最適に選ぶことでアンテナコイルの放射効率を高めることができ、交信距離を飛躍的に引き延ばすことができる。 According to the non-contact data carrier package of the present invention as described in the foregoing, by disposing the conductive member overlapping emission surface and a portion of the antenna coil around the antenna coil, the conductive member area, shape, thickness, and various parameters of the positional relationship between the antenna coil can increase the radiation efficiency of the antenna coil optimally choose things, can extend the communication distance dramatically.

【0035】また、導電性部材に、アンテナコイルの放射面の一部を露出する第1の切欠部から導電性部材の末端に亘る第2の切欠部を設けたことで、より一層、アンテナコイルの放射効率を高めることができ、交信距離を引き延ばすことができる。 Further, the conductive member, the provision of the second cutout portion ranging from the first notch for exposing a part of the radiation surface of the antenna coil to the end of the conductive member, further, the antenna coil radiation efficiency can be increased, it is possible to extend the communication distance.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明に係る第2の実施例の非接触データキャリアパッケージの構成を示す平面図 Plan view illustrating the configuration of a non-contact data carrier package of the second embodiment according to the present invention; FIG

【図2】図1の非接触データキャリアパッケージの断面図 2 is a cross-sectional view of the non-contact data carrier package of FIG. 1

【図3】本発明に係る第1の実施例の非接触データキャリアパッケージの構成を示す平面図 Plan view illustrating the configuration of a non-contact data carrier package of the first embodiment according to the present invention; FIG

【図4】図3の非接触データキャリアパッケージの断面図 4 is a cross-sectional view of the non-contact data carrier package of FIG. 3

【図5】非接触データキャリアシステムの全体的な構成を示すブロック図 5 is a block diagram illustrating the overall configuration of a contactless data carrier system

【符号の説明】 DESCRIPTION OF SYMBOLS

1……非接触データキャリアの内部部品 2……アンテナコイル 3……基板 4……樹脂製フィルム 5……導電性シート 5a……第1の切欠部 5b……第2の切欠部 6……外装樹脂 1 ...... internal components 2 ...... antenna coil 3 ...... substrate 4 ...... resinous film 5 ...... conductive sheet 5a ...... first notch 5b ...... second notch 6 ...... contactless data carrier exterior resin

Claims (2)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 アンテナコイルを有する非接触データキャリアパッケージにおいて、前記アンテナコイルの周囲に該アンテナコイルの放射面と一部重ねて導電性部材を配置してなることを特徴とする非接触データキャリアパッケージ。 1. A non-contact data carrier package having an antenna coil, a contactless data carrier, characterized by comprising placing the emitting surface and a portion overlapping with the conductive member of the antenna coil around the antenna coil package.
  2. 【請求項2】 請求項1記載の非接触データキャリアパッケージにおいて、 前記導電性部材が、前記アンテナコイルの放射面を一部露出するための第1の切欠部と、この第1の切欠部から前記導電性部材の末端に亘る第2の切欠部とを有することを特徴とする非接触データキャリアパッケージ。 2. A non-contact data carrier package according to claim 1, wherein the conductive member includes a first notch for exposing a part of the radiation surface of the antenna coil, from the first notch contactless data carrier package and having a second notch over the ends of the conductive members.
JP17242897A 1997-06-27 1997-06-27 Non-contact data carrier package Pending JPH1125244A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17242897A JPH1125244A (en) 1997-06-27 1997-06-27 Non-contact data carrier package

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17242897A JPH1125244A (en) 1997-06-27 1997-06-27 Non-contact data carrier package

Publications (1)

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JPH1125244A true JPH1125244A (en) 1999-01-29

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Country Link
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