JP2009181246A - Rfid inspection system - Google Patents

Rfid inspection system Download PDF

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Publication number
JP2009181246A
JP2009181246A JP2008018365A JP2008018365A JP2009181246A JP 2009181246 A JP2009181246 A JP 2009181246A JP 2008018365 A JP2008018365 A JP 2008018365A JP 2008018365 A JP2008018365 A JP 2008018365A JP 2009181246 A JP2009181246 A JP 2009181246A
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JP
Japan
Prior art keywords
rfid
inspection
continuous sheet
reader
inspection system
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Pending
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JP2008018365A
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Japanese (ja)
Inventor
Takaaki Okada
Yohei Shoji
Rie Yoshida
理恵 吉田
貴章 岡田
陽平 庄司
Original Assignee
Toppan Forms Co Ltd
トッパン・フォームズ株式会社
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Application filed by Toppan Forms Co Ltd, トッパン・フォームズ株式会社 filed Critical Toppan Forms Co Ltd
Priority to JP2008018365A priority Critical patent/JP2009181246A/en
Publication of JP2009181246A publication Critical patent/JP2009181246A/en
Application status is Pending legal-status Critical

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Abstract

<P>PROBLEM TO BE SOLVED: To avoid carriage failure by contact in time of carriage or a reading mistake by influence of an RFID (Radio Frequency Identification) adjacent to an RFID of an inspection target, in an RFID inspection system for performing communication inspection of the RFID of an IC tag, an IC label or the like. <P>SOLUTION: This RFID inspection system is provided with an inspecting tool 15 disposed in a position wherein the inspection by a reader/writer antenna part 15 is performed in a carriage route of a continuous sheet 21 continuously provided with the RFIDs 22, formed of a shield material such as a metal arcuately winding the rear face of the continuous sheet 21 provided with at least the RFID 22A of the inspection target and the RFID 22 adjacent thereto, formed with an opening part 20 in a portion corresponding to the reader/writer antenna part 15, and positioning only the RFID 22A that is the inspection target, and is provided with a prescribed number of holding rollers 18, 19 for making the rear face of the continuous sheet 21 be stuck to the inspecting tool 15. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an RFID inspection system that performs communication inspection of RFID such as an IC tag and an IC label.

  In recent years, non-contact type IC tags, IC labels, and the like called RFID (Radio Frequency Identification) have rapidly spread, and their use is also wide-ranging. Since such RFID is formed on a continuous sheet for manufacturing efficiency and individually performs a communication inspection, misreading due to the influence of adjacent RFID with respect to the RFID to be inspected or conveyance trouble due to contact during conveyance Need to avoid.

  Conventionally, it is known to provide a shield member as a technique for avoiding the influence of adjacent RFIDs in the RFID to be inspected when performing communication inspection of RFIDs formed on a continuous sheet.

  Here, FIG. 5 shows a configuration explanatory diagram of a conventional RFID inspection system. In FIG. 5, an RFID inspection system 101 has a shield member 105 interposed between a reader / writer antenna unit 104 for communicating with an RFID 103 formed on a sheet 102, and an opening formed in the shield member 105. Therefore, the reader / writer antenna unit 104 is made to face the RFID 103A to be inspected and the quality is determined by communication (see Patent Document 1).

Japanese Patent Application Laid-Open No. 2003-076947

  However, although the conventional RFID inspection system avoids communication with the adjacent RFID 103 by the shield member 105, the RFID 103 formed on the sheet 102 is horizontally conveyed from the supply unit to the winding unit through the inspection position. As shown in FIG. 5B, when the sheet 102 is fluttered during conveyance and communication is performed with respect to the RFID 103 adjacent to the RFID 103A to be inspected as shown in FIG. In addition, there may be a transportation failure due to contact during transportation. Regarding misreading, the communication frequency is likely to occur in the HF band and the UHF band.

  Accordingly, the present invention has been made in view of the above problems, and an object thereof is to provide an RFID inspection system that avoids misreading due to the influence of an RFID adjacent to an RFID to be inspected and conveyance failure due to contact during conveyance. .

  In order to solve the above-described problem, in the invention of claim 1, an RFID including an IC module and an antenna is continuously provided on the surface of the continuous sheet and conveyed from the supply unit to the winding unit, and is an inspection target. An RFID inspection system in which a reader / writer communicates with an RFID via an antenna unit and inspects the quality, and is disposed at a position corresponding to the antenna unit of the reader / writer in the transport path, and at least an inspection target And a shield material that wraps the back surface of the continuous sheet provided with the RFID adjacent thereto in an arc shape, and an opening is formed in a portion corresponding to the antenna portion of the reader / writer, and the inspection object An inspection jig for positioning only the RFID to be used, and a predetermined number of holdings for bringing the back surface of the continuous sheet into close contact with the inspection jig A configuration that has an over La, a.

  In the invention of claim 2, a guide portion for guiding the continuous sheet in the width direction is provided at one or both ends in the width direction of the inspection jig.

  According to the present invention, at least the back surface of the continuous sheet provided with the RFID to be inspected and the RFID adjacent thereto is disposed at a position where inspection is performed by the reader / writer in the conveyance path of the continuous sheet in which the RFID is continuously provided. An inspection jig that is formed of a shield material wound in an arc shape and has an opening formed in a portion corresponding to the antenna portion of the reader / writer to position only the RFID to be inspected is provided in the inspection jig. By providing a predetermined number of holding rollers for bringing the back surface of the continuous sheet into close contact with each other, at least on the inspection jig, it avoids fluttering during the conveyance of the continuous sheet, and on the opening of the inspection jig. Position the RFID antenna to be inspected directly to the reader / writer's antenna so that the adjacent RFID antenna does not face. In addition, because the back surface of the adjacent RFID is in close contact with the shield material, a communication failure with the antenna unit of the reader / writer can be caused. Therefore, the influence of the adjacent RFID on the RFID to be inspected Can be avoided.

Hereinafter, the best embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows a configuration diagram of an RFID inspection system according to the present invention. FIG. 1A is a configuration diagram of an RFID inspection system, and FIGS. 1B and 1C are configuration diagrams of an inspection jig. In FIG. 1 (A), the RFID inspection system 11 takes up a continuous sheet (21, described with reference to FIG. 2) in which an RFID module having an IC module and an antenna on the surface is continuously provided from a continuous sheet supply unit 12. For example, the continuous sheet take-up unit 13 is conveyed by rotational driving (the continuous sheet supply unit 12 may be rotationally driven auxiliary), and the RFID detection unit 14 and the reader / writer antenna unit are included in the conveyance path. 15. A stamper 16 is arranged.

  The arrangement position of the reader / writer antenna unit 15 becomes the inspection position in the transport path, the inspection jig 17 is arranged at the inspection position, and the holding rollers 18 and 19 are arranged on both sides of the inspection jig 17. In other words, the continuous sheet supplied from the continuous sheet supply unit 12 passes through the vicinity of the RFID detection unit 14, is wound around the inspection jig 17 from the holding roller 18, changes its direction by the holding roller 19, and passes through the stamper 16. Thus, the conveyance path is taken up by the continuous sheet take-up unit 13.

  The RFID detection unit 14 is a sensor that detects an RFID to be inspected for the RFID being conveyed. The reader / writer antenna unit 15 is for communicating with an RFID in, for example, an inspection discriminating unit (not shown), and since a conventional one can be used, a detailed description is omitted. The stamper 16 stamps an NG (for example, “x”) mark on the RFID that is determined to be defective as a result of the communication inspection.

  As shown in FIGS. 1B and 1C, the inspection jig 17 has a hollow cylindrical shape formed of a shield material that wraps the back surface of a continuous sheet in a portion where a plurality of RFIDs are continuously provided in an arc shape. The opening 20 is formed in a portion corresponding to the reader / writer antenna unit 15 and only the RFID to be inspected is positioned. As the shielding material, in the case of an electromagnetic induction method using an electromagnetic wave of 13.56 MHz band or the like, an electromagnetic wave shielding or the like in which metal particles are contained in a resin may induce electromagnetic waves, and therefore, a metal or the like is preferable. Used. In the case of a microwave radio system such as a UHF band, both a metal plate or an electromagnetic wave shield containing metal particles in a resin can be used.

  In the present embodiment, the inspection jig 17 has a cylindrical shape, but at least the portion of the continuous sheet 21 on which the RFID 22A to be inspected and the RFID 22 adjacent thereto are wound is wound in an arc shape. In addition, it is sufficient if the portion is formed of a shielding material such as metal.

  The holding rollers 18.19 are arranged on both sides of the inspection jig 17 so that the back surface of the continuous sheet is in close contact with the inspection jig 17. In other words, for example, the back surface of the continuous sheet is brought into close contact with the inspection jig 17 by the holding rollers 18 and 19 by the conveying force by the winding drive of the continuous sheet winding unit 13.

  Here, FIG. 2 shows an explanatory diagram of an example of an object to be inspected by the RFID inspection system of FIG. FIG. 2A is an explanatory view of a continuous sheet, and FIG. 2B is an explanatory view showing a state in which the continuous sheet is wound around an inspection jig. In FIG. 2A, for example, RFIDs 22 are continuously attached in a row on a continuous sheet 21 of polyethylene terephthalate (PET) so as to be peeled at predetermined intervals.

  For example, the RFID 22 is formed by bonding copper foil onto a PET with an epoxy-based adhesive and forming each planar antenna by etching, and forming an IC module (IC chip or a predetermined circuit on the IC chip) between the antennas. Is mounted by reflow soldering or conductive adhesive, and is determined by the predetermined frequency (RFID antenna shape, etc.) between the antenna and the reader / writer antenna unit 15. Here, as the UHF band Communication) is performed.

  By the way, the RFID 22 has a predetermined resonance frequency depending on the shape, length, and the like of the antenna unit, and performs reception by resonating in response to a radio wave of a corresponding frequency from the reader / writer antenna unit 15. Therefore, when the antenna of the RFID 22 and the reader / writer antenna unit 15 do not face each other, the communication function is deteriorated, and when a shield material is present on the back surface of the continuous sheet corresponding to the RFID, the shield material becomes a metal reflector. The communication function is extremely deteriorated by fulfilling the function as described above.

  As shown in FIG. 2B, the continuous sheet 21 provided with the RFID 22 is wound around the inspection jig 17 via the holding roller 18, and the direction is changed to the horizontal conveyance path by the holding roller 19. A communication inspection is performed when only the RFID 22 is positioned in the opening 20 formed in the inspection jig 17.

  FIG. 3 is an explanatory diagram of communication inspection using the inspection jig in FIG. In FIG. 3, the continuous sheet 21 wound around the inspection jig 17 is subject to inspection with the RFID 22 </ b> A positioned at the opening 20. In the communication inspection, the RFID 22A to be inspected is received by resonating in response to the radio wave of the corresponding frequency (UHF band) from the reader / writer antenna unit 15, and according to the command included in the radio wave from the reader / writer. Then, data is transmitted from the RFID 22A, and the quality is determined.

  At this time, radio waves of the corresponding frequency (UHF band) are also transmitted from the reader / writer antenna unit 15 in the RFID 22 adjacent to the RFID 22A to be inspected, but the antenna of the RFID 22 and the reader / writer antenna unit 15 face each other. The communication function is deteriorated because of the absence of this, and the shield material of the inspection jig 17 is present on the back surface of the continuous sheet 21 corresponding to the RFID 22 so that the communication function is extremely deteriorated by serving as a metal reflector. Accordingly, there is no response from the adjacent RFID 22 and the reader / writer antenna unit 15 does not receive the response.

  As described above, since the back surface of the continuous sheet 21 is in close contact with at least the inspection jig 17, flapping during conveyance is avoided, and the RFID 22 </ b> A to be inspected is positioned on the opening 20 of the inspection jig 17. These antennas can be directly opposed to the reader / writer antenna unit 15 so that the adjacent RFID 22 is not directly opposed. In addition, since the back surface of the adjacent RFID 22 is in close contact with the shield material portion of the inspection jig 17, the communication state with the reader / writer antenna unit 15 can be extremely deteriorated to cause a communication failure. As a result, erroneous reading due to the influence of the RFID 22 adjacent to the RFID 22A to be inspected can be avoided.

  Next, FIG. 4 shows another configuration diagram of the inspection jig in FIG. In FIG. 4, the inspection jig 17 </ b> A is configured to include guide portions 31 </ b> A and 31 </ b> B at both ends (or one end) in the width direction, and the continuous sheet 21 conveyed by the guide portions 31 </ b> A and 31 </ b> B. It is to guide in the width direction.

  As a result, when the continuous sheet 21 is wound around the inspection jig 17A and conveyed, the guide portions 31A and 31B guide the continuous sheet 21 without causing blur on the inspection jig 17A. Thus, the RFID 22A to be inspected can be surely positioned within the range of the opening 20.

  The RFID inspection system of the present invention can be used for communication inspection performed in the RFID manufacturing process or at the user acceptance stage after shipment.

It is a block diagram of the RFID test | inspection system in this invention. It is explanatory drawing of an example of the object test | inspected with the RFID test | inspection system of FIG. It is explanatory drawing of the communication test | inspection by the test jig | tool in FIG. It is another block diagram of the inspection jig in FIG. It is structure explanatory drawing of the conventional RFID test | inspection system.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 RFID inspection system 12 Continuous sheet supply part 13 Continuous sheet winding part 14 RFID detection part 15 Reader / writer 16 Stamper 17 Inspection jig | tool 18, 19 Holding roller 20 Opening part 21 Continuous sheet 22 RFID
31 Guide section

Claims (2)

  1. An RFID equipped with an IC module and an antenna is connected on the surface of a continuous sheet and conveyed from the supply unit to the take-up unit. The reader / writer communicates with the RFID to be inspected via the antenna unit. An RFID inspection system for inspecting pass / fail,
    Arranged at a position corresponding to the antenna portion of the reader / writer in the conveyance path, and formed of a shield material that wraps at least the back surface of the continuous sheet provided with the RFID to be inspected and the RFID adjacent thereto in an arc shape. In addition, an inspection jig in which an opening is formed in a portion corresponding to the antenna portion of the reader / writer and only the RFID to be inspected is positioned,
    A predetermined number of holding rollers for bringing the back surface of the continuous sheet into close contact with the inspection jig;
    An RFID inspection system comprising:
  2.   The RFID inspection system according to claim 1, further comprising a guide portion that guides the continuous sheet in the width direction at one or both ends in the width direction of the inspection jig.
JP2008018365A 2008-01-29 2008-01-29 Rfid inspection system Pending JP2009181246A (en)

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Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8720789B2 (en) 2012-01-30 2014-05-13 Murata Manufacturing Co., Ltd. Wireless IC device
US8740093B2 (en) 2011-04-13 2014-06-03 Murata Manufacturing Co., Ltd. Radio IC device and radio communication terminal
US8757502B2 (en) 2011-02-28 2014-06-24 Murata Manufacturing Co., Ltd. Wireless communication device
US8770489B2 (en) 2011-07-15 2014-07-08 Murata Manufacturing Co., Ltd. Radio communication device
US8797225B2 (en) 2011-03-08 2014-08-05 Murata Manufacturing Co., Ltd. Antenna device and communication terminal apparatus
US8797148B2 (en) 2008-03-03 2014-08-05 Murata Manufacturing Co., Ltd. Radio frequency IC device and radio communication system
US8814056B2 (en) 2011-07-19 2014-08-26 Murata Manufacturing Co., Ltd. Antenna device, RFID tag, and communication terminal apparatus
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
US8878739B2 (en) 2011-07-14 2014-11-04 Murata Manufacturing Co., Ltd. Wireless communication 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
US9024725B2 (en) 2009-11-04 2015-05-05 Murata Manufacturing Co., Ltd. Communication terminal and information processing system
US9024837B2 (en) 2010-03-31 2015-05-05 Murata Manufacturing Co., Ltd. Antenna and wireless communication device
US9104950B2 (en) 2009-01-30 2015-08-11 Murata Manufacturing Co., Ltd. Antenna and wireless IC device
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
US9830552B2 (en) 2007-07-18 2017-11-28 Murata Manufacturing Co., Ltd. Radio IC device
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

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JP2006347095A (en) * 2005-06-20 2006-12-28 Brother Ind Ltd Label making device and tape cartridge
JP2007025762A (en) * 2005-07-12 2007-02-01 Matsushita Electric Ind Co Ltd Inspection equipment for rfid tag and base sheet to be used for the same

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JP2005259054A (en) * 2004-03-15 2005-09-22 Iwata Label Co Ltd Non-contact id tag writing device
JP2006347095A (en) * 2005-06-20 2006-12-28 Brother Ind Ltd Label making device and tape cartridge
JP2007025762A (en) * 2005-07-12 2007-02-01 Matsushita Electric Ind Co Ltd Inspection equipment for rfid tag and base sheet to be used for the same

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9830552B2 (en) 2007-07-18 2017-11-28 Murata Manufacturing Co., Ltd. Radio IC device
US8797148B2 (en) 2008-03-03 2014-08-05 Murata Manufacturing Co., Ltd. Radio frequency IC device and radio communication system
US9022295B2 (en) 2008-05-21 2015-05-05 Murata Manufacturing Co., Ltd. Wireless IC device
US8973841B2 (en) 2008-05-21 2015-03-10 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
US9104950B2 (en) 2009-01-30 2015-08-11 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
US9564678B2 (en) 2009-04-21 2017-02-07 Murata Manufacturing Co., Ltd. Antenna device and method of setting resonant frequency of antenna device
US8976075B2 (en) 2009-04-21 2015-03-10 Murata Manufacturing Co., Ltd. Antenna device and method of setting resonant frequency of antenna device
US9203157B2 (en) 2009-04-21 2015-12-01 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
US8797225B2 (en) 2011-03-08 2014-08-05 Murata Manufacturing Co., Ltd. Antenna device and communication terminal apparatus
US8740093B2 (en) 2011-04-13 2014-06-03 Murata Manufacturing Co., Ltd. Radio IC device and radio communication terminal
US9378452B2 (en) 2011-05-16 2016-06-28 Murata Manufacturing Co., Ltd. Radio IC device
US8878739B2 (en) 2011-07-14 2014-11-04 Murata Manufacturing Co., Ltd. Wireless communication device
US8770489B2 (en) 2011-07-15 2014-07-08 Murata Manufacturing Co., Ltd. Radio communication device
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
US8720789B2 (en) 2012-01-30 2014-05-13 Murata Manufacturing Co., Ltd. Wireless IC device
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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