JP2008244739A - 範囲が改良されたrfidチップとアンテナ - Google Patents
範囲が改良されたrfidチップとアンテナ Download PDFInfo
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- JP2008244739A JP2008244739A JP2007081300A JP2007081300A JP2008244739A JP 2008244739 A JP2008244739 A JP 2008244739A JP 2007081300 A JP2007081300 A JP 2007081300A JP 2007081300 A JP2007081300 A JP 2007081300A JP 2008244739 A JP2008244739 A JP 2008244739A
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Abstract
【解決手段】基板上にrfid集積回路とアンテナとを同時に形成した「コイルオンチップ」RFIDタグ。アンテナは、rfid集積回路の本体面に対して鋭角、好ましくは90度の向きを持つ回転軸を有する螺旋状の多層に形成したマルチターンコイルである。コイルは、透磁材料の環状コアを備える中央開口部を有する。RFIDタグは、周知のIDタグよりも拡大された動作範囲を持つ。
【選択図】図3
Description
(a)基板を用意するステップと、
(b)前記基板にrfid集積回路とアンテナコイルとを同時に形成するステップであって、該コイルが、該rfid集積回路の前記本体面に対して鋭角を成す回転軸を備える中央開口部を有するマルチターン多層コイルとして形成される、ステップと、
(c)前記コイルの前記中央開口部に位置決めされるように透磁性材料のコアを設けるステップと、
を含む、RFIDタグを作成する方法を含む。
Claims (8)
- 基板と、
前記基板に一体的に形成されたrfidチップとアンテナとの組合せと、
を含み、
前記rfidチップが本体面を有し、
前記アンテナが、前記rfidチップの前記本体面に対して鋭角で配置された回転軸を包囲する中央開口部を有する複数層の導電ターンを有するコイルを含み、
前記コイルの前記中央開口部に位置決めされた透磁材料のコア、
を含む、RFIDタグ。 - 前記鋭角がほぼ90度である請求項1の発明。
- 前記コイルが、少なくとも2層を備える基本的に螺旋状の構造を持つ請求項1の発明。
- 前記コアが環状である請求項1の発明。
- (a)基板を用意するステップと、
(b)前記基板にrfid集積回路とアンテナコイルとを同時に形成するステップであって、前記コイルが、前記rfid集積回路の前記本体面に対して鋭角を成す回転軸を持つ中央開口部を有する多層のマルチターンコイルとして形成される、ステップと、
(c)前記コイルの前記中央開口部に位置決めされるように透磁性材料のコアを設けるステップと、
を含む、RFIDタグの作成方法。 - 前記形成するステップ(b)と前記設けるステップ(c)とが同時に実施される請求項5の方法。
- 前記形成するステップ(b)が、前記rfid集積回路の前記本体面に対してほぼ90度の角度を成す回転軸を持つ前記コイルを形成するステップを含む請求項5の方法。
- 前記コアが環状体として形成される請求項5の方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007081300A JP4865614B2 (ja) | 2007-03-27 | 2007-03-27 | 範囲が改良されたrfidチップとアンテナ |
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JP2007081300A JP4865614B2 (ja) | 2007-03-27 | 2007-03-27 | 範囲が改良されたrfidチップとアンテナ |
Publications (2)
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JP2008244739A true JP2008244739A (ja) | 2008-10-09 |
JP4865614B2 JP4865614B2 (ja) | 2012-02-01 |
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JP2007081300A Expired - Fee Related JP4865614B2 (ja) | 2007-03-27 | 2007-03-27 | 範囲が改良されたrfidチップとアンテナ |
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Cited By (20)
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WO2013011865A1 (ja) * | 2011-07-19 | 2013-01-24 | 株式会社村田製作所 | アンテナモジュール、アンテナ装置、rfidタグおよび通信端末装置 |
US8757502B2 (en) | 2011-02-28 | 2014-06-24 | Murata Manufacturing Co., Ltd. | Wireless communication device |
US8797148B2 (en) | 2008-03-03 | 2014-08-05 | Murata Manufacturing Co., Ltd. | Radio frequency IC device and radio communication system |
US8853549B2 (en) | 2009-09-30 | 2014-10-07 | Murata Manufacturing Co., Ltd. | Circuit substrate and method of manufacturing same |
US8876010B2 (en) | 2009-04-14 | 2014-11-04 | Murata Manufacturing Co., Ltd | Wireless IC device component and wireless IC device |
US8905296B2 (en) | 2011-12-01 | 2014-12-09 | Murata Manufacturing Co., Ltd. | Wireless integrated circuit device and method of manufacturing the same |
US8917211B2 (en) | 2008-11-17 | 2014-12-23 | Murata Manufacturing Co., Ltd. | Antenna and wireless IC device |
US8976075B2 (en) | 2009-04-21 | 2015-03-10 | Murata Manufacturing Co., Ltd. | Antenna device and method of setting resonant frequency of antenna device |
US8973841B2 (en) | 2008-05-21 | 2015-03-10 | Murata Manufacturing Co., Ltd. | Wireless IC device |
US9024837B2 (en) | 2010-03-31 | 2015-05-05 | Murata Manufacturing Co., Ltd. | Antenna and wireless communication device |
US9024725B2 (en) | 2009-11-04 | 2015-05-05 | Murata Manufacturing Co., Ltd. | Communication terminal and information processing system |
US9117157B2 (en) | 2009-10-02 | 2015-08-25 | Murata Manufacturing Co., Ltd. | Wireless IC device and electromagnetic coupling module |
US9281873B2 (en) | 2008-05-26 | 2016-03-08 | Murata Manufacturing Co., Ltd. | Wireless IC device system and method of determining authenticity of wireless IC device |
US9378452B2 (en) | 2011-05-16 | 2016-06-28 | Murata Manufacturing Co., Ltd. | Radio IC device |
US9543642B2 (en) | 2011-09-09 | 2017-01-10 | Murata Manufacturing Co., Ltd. | Antenna device and wireless device |
US9558384B2 (en) | 2010-07-28 | 2017-01-31 | Murata Manufacturing Co., Ltd. | Antenna apparatus and communication terminal instrument |
US9692128B2 (en) | 2012-02-24 | 2017-06-27 | Murata Manufacturing Co., Ltd. | Antenna device and wireless communication device |
US9727765B2 (en) | 2010-03-24 | 2017-08-08 | Murata Manufacturing Co., Ltd. | RFID system including a reader/writer and RFID tag |
US10013650B2 (en) | 2010-03-03 | 2018-07-03 | Murata Manufacturing Co., Ltd. | Wireless communication module and wireless communication device |
US10235544B2 (en) | 2012-04-13 | 2019-03-19 | Murata Manufacturing Co., Ltd. | Inspection method and inspection device for RFID tag |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03232207A (ja) * | 1989-11-28 | 1991-10-16 | Mitsubishi Electric Corp | 非接触型icカードシステム |
JP2005094319A (ja) * | 2003-09-17 | 2005-04-07 | Matsushita Electric Ind Co Ltd | 非接触icタグ用コイルアンテナ |
JP2005096726A (ja) * | 2003-08-25 | 2005-04-14 | Mitsubishi Materials Corp | タイヤ状態測定用rfidシステム及びrfidタグ並びに該rfidタグを備えるタイヤバルブ |
-
2007
- 2007-03-27 JP JP2007081300A patent/JP4865614B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03232207A (ja) * | 1989-11-28 | 1991-10-16 | Mitsubishi Electric Corp | 非接触型icカードシステム |
JP2005096726A (ja) * | 2003-08-25 | 2005-04-14 | Mitsubishi Materials Corp | タイヤ状態測定用rfidシステム及びrfidタグ並びに該rfidタグを備えるタイヤバルブ |
JP2005094319A (ja) * | 2003-09-17 | 2005-04-07 | Matsushita Electric Ind Co Ltd | 非接触icタグ用コイルアンテナ |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8797148B2 (en) | 2008-03-03 | 2014-08-05 | Murata Manufacturing Co., Ltd. | Radio frequency IC device and radio communication system |
US8973841B2 (en) | 2008-05-21 | 2015-03-10 | Murata Manufacturing Co., Ltd. | Wireless IC device |
US9022295B2 (en) | 2008-05-21 | 2015-05-05 | Murata Manufacturing Co., Ltd. | Wireless IC device |
US9281873B2 (en) | 2008-05-26 | 2016-03-08 | Murata Manufacturing Co., Ltd. | Wireless IC device system and method of determining authenticity of wireless IC device |
US8917211B2 (en) | 2008-11-17 | 2014-12-23 | Murata Manufacturing Co., Ltd. | Antenna and wireless IC device |
US8876010B2 (en) | 2009-04-14 | 2014-11-04 | Murata Manufacturing Co., Ltd | Wireless IC device component and wireless IC device |
US8976075B2 (en) | 2009-04-21 | 2015-03-10 | Murata Manufacturing Co., Ltd. | Antenna device and method of setting resonant frequency of antenna device |
US8853549B2 (en) | 2009-09-30 | 2014-10-07 | Murata Manufacturing Co., Ltd. | Circuit substrate and method of manufacturing same |
US9117157B2 (en) | 2009-10-02 | 2015-08-25 | Murata Manufacturing Co., Ltd. | Wireless IC device and electromagnetic coupling module |
US9024725B2 (en) | 2009-11-04 | 2015-05-05 | Murata Manufacturing Co., Ltd. | Communication terminal and information processing system |
US10013650B2 (en) | 2010-03-03 | 2018-07-03 | Murata Manufacturing Co., Ltd. | Wireless communication module and wireless communication device |
US9727765B2 (en) | 2010-03-24 | 2017-08-08 | Murata Manufacturing Co., Ltd. | RFID system including a reader/writer and RFID tag |
US9024837B2 (en) | 2010-03-31 | 2015-05-05 | Murata Manufacturing Co., Ltd. | Antenna and wireless communication device |
US9558384B2 (en) | 2010-07-28 | 2017-01-31 | Murata Manufacturing Co., Ltd. | Antenna apparatus and communication terminal instrument |
US8757502B2 (en) | 2011-02-28 | 2014-06-24 | Murata Manufacturing Co., Ltd. | Wireless communication device |
US8960561B2 (en) | 2011-02-28 | 2015-02-24 | Murata Manufacturing Co., Ltd. | Wireless communication device |
US9378452B2 (en) | 2011-05-16 | 2016-06-28 | Murata Manufacturing Co., Ltd. | Radio IC device |
WO2013011865A1 (ja) * | 2011-07-19 | 2013-01-24 | 株式会社村田製作所 | アンテナモジュール、アンテナ装置、rfidタグおよび通信端末装置 |
US8814056B2 (en) | 2011-07-19 | 2014-08-26 | Murata Manufacturing Co., Ltd. | Antenna device, RFID tag, and communication terminal apparatus |
US9543642B2 (en) | 2011-09-09 | 2017-01-10 | Murata Manufacturing Co., Ltd. | Antenna device and wireless device |
US8905296B2 (en) | 2011-12-01 | 2014-12-09 | Murata Manufacturing Co., Ltd. | Wireless integrated circuit device and method of manufacturing the same |
US9692128B2 (en) | 2012-02-24 | 2017-06-27 | Murata Manufacturing Co., Ltd. | Antenna device and wireless communication device |
US10235544B2 (en) | 2012-04-13 | 2019-03-19 | Murata Manufacturing Co., Ltd. | Inspection method and inspection device for RFID tag |
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