CN101410854A - 电子标签 - Google Patents
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Abstract
本发明的目的是提供一种电子标签,其兼备防盗和商品管理两种功能,而且能够减轻向附着体上安装的工时,还细小、便宜。本发明的电子标签,包含非接触式IC标签(3)和磁性标签(4),所述非接触式IC标签(3)包含具有个体识别信息的IC芯片(1)和收发天线(2),非接触式IC标签(3)和磁性标签(4),在至少一部分中通过用粘接层(5)形成的绝缘层重叠着。
Description
技术领域
本发明涉及非接触式IC标签与磁性标签一体化了的、兼备个体识别以及防盗两种功能的电子标签。
背景技术
近年来,使用非接触式IC标签的非接触式个体识别系统,作为管理物品的整个生命周期的系统,在制造、物流、销售、回收的全部过程中正在受到关注。特别是使用UHF波或者微波的电波方式的非接触式IC标签,由于使用在IC芯片上安装外部天线的结构能够有数米的通信距离这样的特征而受到关注,现在,以大量商品的物流管理或者制造物履历管理、安全管理等为目的的系统的构建正在发展。
另一方面,磁性标签,利用磁体对于电磁场施加影响的现象,用于防止从商店中非法带出商品。磁性标签,与发生以及感知电磁场的门等的系统对应起来使用,但是因为没有对每个单个商品进行单个的识别功能,所以说到底是监视从商店中不正当带出商品等的系统,在进行盘货等商品管理方面不能利用。在要用电子标签进行防盗和商品管理两者的场合,通过在商品上分别安装磁性标签和非接触式IC标签能够使用,但是要花费安装的工时和两种标签的费用。
因此,在特开2004-4227508号公报中想出了兼备防盗和商品管理两种功能的电子标签。该电子标签的结构为,在内置无线IC芯片的壳式标签本体上形成软磁性体的薄膜层,作为天线安装组装有由软磁体组成的金属线的悬吊索。该电子标签,把软磁性体的薄膜层和无线IC标签错开包装在同一盒内,具有悬吊索,做成在商品外侧安装的形状。
但是,有的商品,有时要求电子标签和商品大致一体化的形状。例如,在商品是书籍、CD、DVD等的场合,为使能够在货架上陈列的状态原样不动确认库存,需要把电子标签粘贴在书脊或者盒的宽度窄的面上。
在这样的场合,电子标签必须是细而薄的形状。进而为降低价格希望是小型。
发明内容
本发明,鉴于上述情况提出的,其目的是提供一种电子标签,其为兼备防盗和商品管理两种功能,而且能够减轻向附着体上安装的工时,还细小、便宜的电子标签。
为解决上述课题,本发明的电子标签,包含非接触式IC标签和磁性标签,所述非接触式IC标签包含具有个体识别信息的IC芯片和收发天线,所述非接触式IC标签和所述磁性标签,在至少一部分是通过绝缘层重叠着。
理想的是,在所述电子标签中,所述磁性标签的磁性部分在所述非接触式IC标签中使用的电波频率中具有导电性。
理想的是,在所述电子标签中,所述非接触式IC标签的收发天线用非磁性材料构成。
理想的是,在所述电子标签中,所述非接触式IC标签的所述收发天线包含铝或铜。
理想的是,在所述电子标签中,所述非接触式IC标签的至少阻抗匹配电路部分不与所述磁性标签的磁性部分重叠。
理想的是,在所述电子标签中,所述磁性标签的所述磁性部分的长度,比所述非接触式IC标签的所述收发天线的长度长。
理想的是,在所述电子标签中,所述非接触式IC标签的中心和所述磁性标签的一个端部的距离在20mm到50mm的范围内。
理想的是,在所述电子标签中,所述非接触式IC标签的工作频率在400MHz以上。
理想的是,在所述电子标签中,所述非接触式IC标签的长度在30mm以下。
理想的是,在所述电子标签中,所述非接触式IC标签的芯片的个体识别信息由ROM构成。
本发明的电子标签是,包含由无线通信用IC芯片和收发天线组成的非接触式IC标签、和磁性标签,兼备防盗和商品管理两种功能,且能够减轻向附着体上安装的工时,还细小、便宜的电子标签。
附图说明
图1(a)是表示本发明的电子标签的形态的一例的平面图,图1(b)是表示本发明的电子标签的形态的一例的截面图。
图2(a)是表示非接触式IC标签的形态的一例的平面图,图2(b)是表示非接触式IC标签的形态的一例的平面图。
图3是表示非接触式IC标签中心和磁性标签的一个端部间的距离的截面图。
图4是表示在本发明的电子标签中使用的非接触式IC标签的中心、和磁性标签的一个端部间的距离与非接触式IC标签的最大通信距离的关系的图表。
具体实施方式
下面使用附图详细说明本发明的实施形态。另外,以下的实施形态是作为例子示出的,本发明不限于这些实施形态。
图1表示本发明的电子标签的形态的一例。
图1(a)是电子标签的平面图,图1(b)是其截面图。本形态的电子标签,是把由无线通信用IC芯片1和与所述芯片1电气连接的收发天线2组成的非接触式IC标签3,通过粘接层5与磁性标签4重叠的结构。
图2表示适合本发明的非接触式IC标签的一例。
图2(a)以及图2(b)是使用2.45GHz的微波的电波方式的非接触式IC标签。使用400MHz以上的微波的电波方式的非接触式IC标签,因为通过使用天线形状是棒状的双极天线能够得到良好的通信特性,所以标签形状能够做细。另一方面,在工作频率是13.56MHz的电磁感应方式的非接触式IC标签的场合,因为天线是线圈形状,所以成为具有某程度的面积的平板状。因此,本发明中使用的非接触式IC标签的工作频率,优选在400MHz以上。
本发明的电子标签中使用的非接触式IC标签,是电波方式的非接触式IC标签,如图2所示,在收发天线基板上,加工用于进行和IC芯片的阻抗匹配、得到良好的通信距离的L形或者T形的激励缝6。本发明的电子标签,优选该激励缝不与磁性标签重叠。亦即,这是因为,在某特定的L形或者T形的激励缝中,如表1所示,在激励缝和磁性标签重叠了的场合,有时不能获得阻抗匹配,而使非接触式IC标签的通信性能降低的缘故。除设计本来就考虑了与磁性标签重叠的激励缝的情况,容易引起由于这样的激励缝的重叠而造成的非接触式IC标签的通信性能的降低。
[表1]
状况 | 图 | 通信距离 |
①激励缝重叠 | 30mm以下 | 不能通信 |
②激励缝不重叠 | 30mm以下 | 80mm |
③全体不重叠 | 30mm以下 | 30mm |
另外,因为在非接触式IC标签的收发天线和磁性标签不重叠的场合通信性能有时也降低,所以优选非接触式IC标签和磁性标签重叠的结构。本发明的电子标签,把磁性标签作为非接触式IC标签的增强天线利用。所谓增强天线,是为提高非接触式IC标签的通信特性而设置的辅助天线。
一般,在电波方式下收发天线基板的长度在30mm左右以下的非接触式IC标签,单独使用时通信性能差、读取性不稳定,但是像本发明这样,通过绝缘层重叠非接触式IC标签和磁性标签,在施加高频的场合,非接触式IC标签的收发天线和磁性标签进行电磁结合,可以把磁性标签作为非接触式IC标签的增强天线使用,能够提高通信距离。这样,通过把磁性标签作为增强天线使用,能够实现非接触式IC标签的小型化、低价格。通过节省材料资源,就能够减低有关材料制造或者加工的能耗。这点具有减低从制造到使用、废弃这一系列的环境负荷(例如CO2排放量)的效果。
这样的增强天线效果,只要非接触式IC标签的收发天线的一部分和磁性标签的磁性部分的一部分重叠就足矣。但是,为增大其效果,有时优选满足下面的条件。
磁性标签的磁性部分,在非接触式IC标签利用的电波的频带中具有导电性。这样,磁性部分会高效发挥天线效果乃至增强效果。
磁性标签的磁性部分的长度,比非接触式IC标签的天线长度长。
这样,有时增强效果会变大。(但是,因为即使短也能够设计高效的天线,所以有时也不受限于磁性部分的长度的长短。)
另外,为不使由于非接触式IC标签使磁性标签的性能变差,有时优选满足下面的条件。
非接触式IC标签的收发天线用非磁性材料构成。这样,非接触式IC标签不会产生磁的不利影响。
非接触式IC标签和磁性标签的配置,在非接触式IC标签的工作频率取2.45GMz的场合,优选非接触式IC标签的中心离开磁性标签的一个端部的距离在20mm~50mm的范围内。图3表示两者的配置的说明图,图4表示两者的配置和最大通信距离的关系。这里,图3表示非接触式IC标签中心-到磁性标签端部间距离D。另外,图4中表示良好的范围R1以及特别良好的范围R2。非接触式IC标签的中心离开磁性标签的一个端部的距离为30mm~40mm时,能够得到最良好的特性,是特别适合的配置。
在本发明的电子标签中使用的非接触式IC标签的收发天线,可以使用包含铝或者铜的金属。这些金属便宜,且腐蚀等的加工性也良好,一般并且适合作为用于得到良好的特性的天线材料。
另外,在本发明的电子标签中使用的无线通信用IC芯片,优选通过ROM构成个体识别信息。这是因为如果对于无线通信用芯片仅将固有ID构筑在ROM中,在网络上管理其固有ID,就可以实现小型、廉价而且具有不可窜改的IC的IC芯片的缘故。这样的IC芯片,因为具有低价格而且高的方便性,用作本发明的IC芯片,这样,有时能够发挥更大的效果。
本发明的包含由无线通信用IC芯片和收发天线组成的非接触式IC标签与磁性标签的电子标签,兼备防盗和商品管理两种功能,而且能够减轻向附着体安装的工时,进而能够实现细的而且便宜的电子标签。
下面说明本发明的合适的实施例,但是本发明不限于这些实施例。
实施例
首先,准备图2(b)表示的形状的天线长度是15mm的非接触式IC标签。在IC芯片中,使用(股份有限)日立制作所销售的“μ芯片”。,使从长度为130mm的磁性标签的端部到非接触式IC标签中心的距离成为35mm,通过厚度为0.17mm的市售的双面带粘贴该非接触式IC标签制作了电子标签。此时,做成了使非接触式IC标签的激励缝不与磁性标签重叠。该电子标签的大小,为宽度4mm。
把上述电子标签用粘接带粘贴在厚度为1cm的书籍的书脊上,使用IC标签阅读器(MRJ300、输出300mW、(股份有限)日立国际电器制造)和天线(直线偏振波方式1补片天线、PAI-2450ASA、(股份有限)日立国际电器制造)测定通信距离。其结果,通信距离是80mm。进而,当通过了感知磁性的门(宽度90cm)时,就被感知到了。
Claims (10)
1.一种电子标签,其特征在于,
包含非接触式IC标签和磁性标签,所述非接触式IC标签包含具有个体识别信息的IC芯片和收发天线,
所述非接触式IC标签和所述磁性标签,在至少一部分通过绝缘层重叠。
2.根据权利要求1所述的电子标签,其特征在于,
所述磁性标签的磁性部分在所述非接触式IC标签中使用的电波频率具有导电性。
3.根据权利要求1或者权利要求2所述的电子标签,其特征在于,
所述非接触式IC标签的收发天线用非磁性材料构成。
4.根据权利要求1到权利要求3中任何一项所述的电子标签,其特征在于,
所述非接触式IC标签的所述收发天线包含铝或铜。
5.根据权利要求1到权利要求4中任何一项所述的电子标签,其特征在于,
所述非接触式IC标签的至少阻抗匹配电路部分不与所述磁性标签的磁性部分重叠。
6.根据权利要求1到权利要求5中任何一项所述的电子标签,其特征在于,
所述磁性标签的所述磁性部分的长度,比所述非接触式IC标签的所述收发天线的长度长。
7.根据权利要求1到权利要求6中任何一项所述的电子标签,其特征在于,
所述非接触式IC标签的中心和所述磁性标签的一个端部间的距离在20mm到50mm的范围内。
8.根据权利要求1到权利要求7中任何一项所述的电子标签,其特征在于,
所述非接触式IC标签的工作频率在400MHz以上。
9.根据权利要求1到权利要求8中任何一项所述的电子标签,其特征在于,
所述非接触式IC标签的长度在30mm以下。
10.根据权利要求1到权利要求9中任何一项所述的电子标签,其特征在于,
所述非接触式IC标签的芯片的个体识别信息被构筑在ROM中。
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JP098431/2006 | 2006-03-31 | ||
JP2006098431 | 2006-03-31 | ||
PCT/JP2007/057166 WO2007116829A1 (ja) | 2006-03-31 | 2007-03-30 | 電子タグ |
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CN101410854A true CN101410854A (zh) | 2009-04-15 |
CN101410854B CN101410854B (zh) | 2011-09-28 |
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US (1) | US20100019046A1 (zh) |
EP (1) | EP2020642B1 (zh) |
JP (1) | JP4742141B2 (zh) |
KR (1) | KR100999731B1 (zh) |
CN (1) | CN101410854B (zh) |
TW (1) | TW200809652A (zh) |
WO (1) | WO2007116829A1 (zh) |
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JP2009251974A (ja) * | 2008-04-08 | 2009-10-29 | Hitachi Ltd | Rfidタグ及びその製造方法 |
JP4796180B2 (ja) * | 2009-02-23 | 2011-10-19 | 株式会社日立情報システムズ | Rfidタグ |
WO2011013662A1 (ja) * | 2009-07-28 | 2011-02-03 | ソニーケミカル&インフォメーションデバイス株式会社 | アンテナ装置、及び、通信装置 |
US20120206307A1 (en) * | 2009-07-28 | 2012-08-16 | Sony Chemical & Information Device Corporation | Antenna device and communication device |
JP5355472B2 (ja) * | 2009-12-10 | 2013-11-27 | ニッタ株式会社 | 情報記憶媒体、管理対象物品および管理システム |
JP5358489B2 (ja) * | 2010-03-11 | 2013-12-04 | 株式会社日立製作所 | Rfidタグ及びその製造方法 |
JP5595088B2 (ja) * | 2010-04-02 | 2014-09-24 | 哲朗 和田 | 電子タグの貼装方法 |
KR101306897B1 (ko) * | 2010-04-12 | 2013-09-10 | 가부시키가이샤 무라타 세이사쿠쇼 | 안테나 장치 및 통신 단말장치 |
JP2014176077A (ja) * | 2013-03-07 | 2014-09-22 | Nippon Electronics Service Kk | 自動車個体管理に適したrfidデータキャリア |
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US7002475B2 (en) * | 1997-12-31 | 2006-02-21 | Intermec Ip Corp. | Combination radio frequency identification transponder (RFID tag) and magnetic electronic article surveillance (EAS) tag |
US5859587A (en) * | 1996-09-26 | 1999-01-12 | Sensormatic Electronics Corporation | Data communication and electronic article surveillance tag |
CN1179295C (zh) * | 1997-11-14 | 2004-12-08 | 凸版印刷株式会社 | 复合ic模块及复合ic卡 |
ES2344741T3 (es) * | 1998-08-14 | 2010-09-06 | 3M Innovative Properties Company | Lector de rfid. |
JP4843885B2 (ja) * | 2001-08-31 | 2011-12-21 | 凸版印刷株式会社 | Icメモリチップ付不正防止ラベル |
JP2003223622A (ja) | 2002-01-30 | 2003-08-08 | Nippon Signal Co Ltd:The | 表示機能付き非接触icカード |
JP3803085B2 (ja) * | 2002-08-08 | 2006-08-02 | 株式会社日立製作所 | 無線icタグ |
JP4187537B2 (ja) | 2003-01-27 | 2008-11-26 | 株式会社トスカ | セキュリティタグ |
EP1611563A2 (en) * | 2003-04-08 | 2006-01-04 | KMA Global Solutions Inc. | Dual security label |
US7663473B2 (en) * | 2004-02-12 | 2010-02-16 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device, IC card, IC tag, RFID, transponder, bills, securities, passport, electronic apparatus, bag, and clothes |
-
2007
- 2007-03-30 JP JP2008509825A patent/JP4742141B2/ja not_active Expired - Fee Related
- 2007-03-30 CN CN2007800114636A patent/CN101410854B/zh not_active Expired - Fee Related
- 2007-03-30 WO PCT/JP2007/057166 patent/WO2007116829A1/ja active Application Filing
- 2007-03-30 KR KR1020087026370A patent/KR100999731B1/ko not_active IP Right Cessation
- 2007-03-30 TW TW096111275A patent/TW200809652A/zh unknown
- 2007-03-30 US US12/295,376 patent/US20100019046A1/en not_active Abandoned
- 2007-03-30 EP EP07740602A patent/EP2020642B1/en not_active Not-in-force
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KR20080109890A (ko) | 2008-12-17 |
WO2007116829A1 (ja) | 2007-10-18 |
JPWO2007116829A1 (ja) | 2009-08-20 |
JP4742141B2 (ja) | 2011-08-10 |
US20100019046A1 (en) | 2010-01-28 |
KR100999731B1 (ko) | 2010-12-08 |
EP2020642B1 (en) | 2012-12-19 |
EP2020642A1 (en) | 2009-02-04 |
EP2020642A4 (en) | 2009-04-22 |
CN101410854B (zh) | 2011-09-28 |
TW200809652A (en) | 2008-02-16 |
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