WO2005091434A1 - Feuille de collage d’une etiquette a circuit integre sur un support d’enregistrement et support d’enregistrement - Google Patents

Feuille de collage d’une etiquette a circuit integre sur un support d’enregistrement et support d’enregistrement Download PDF

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Publication number
WO2005091434A1
WO2005091434A1 PCT/JP2004/015419 JP2004015419W WO2005091434A1 WO 2005091434 A1 WO2005091434 A1 WO 2005091434A1 JP 2004015419 W JP2004015419 W JP 2004015419W WO 2005091434 A1 WO2005091434 A1 WO 2005091434A1
Authority
WO
WIPO (PCT)
Prior art keywords
recording medium
antenna
recording
tag
sheet
Prior art date
Application number
PCT/JP2004/015419
Other languages
English (en)
Japanese (ja)
Inventor
Hiroki Morisaki
Takanori Suzuki
Tomohiro Ogata
Original Assignee
Uchida Yoko Co.,Ltd.
Nittoku Engineering Kabushikikaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Uchida Yoko Co.,Ltd., Nittoku Engineering Kabushikikaisha filed Critical Uchida Yoko Co.,Ltd.
Priority to JP2005518814A priority Critical patent/JP4374346B2/ja
Publication of WO2005091434A1 publication Critical patent/WO2005091434A1/fr

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/30—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture with provision for auxiliary signals
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/04—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the shape
    • G06K19/041—Constructional details
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/04—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the shape
    • G06K19/041—Constructional details
    • G06K19/042—Constructional details the record carrier having a form factor of a credit card and including a small sized disc, e.g. a CD or DVD
    • G06K19/045—Constructional details the record carrier having a form factor of a credit card and including a small sized disc, e.g. a CD or DVD the record carrier being of the non-contact type, e.g. RFID, and being specially adapted for attachment to a disc, e.g. a CD or DVD
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
    • G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
    • G11B23/0028—Details
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/28—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
    • G11B23/286—Antitheft arrangements, e.g. Electronic Article Surveillance [EAS] tags
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Definitions

  • Patent Document 1 JP-A-11 250494
  • Patent Document 1 has a basic concept of providing an antenna in a portion where the recording surface does not exist in order to avoid the influence of the recording surface of the aluminum thin film! /, It is asked.
  • An object of the present invention is to provide an IC tag affixing sheet for a recording medium and a recording medium that satisfy the above conditions (1) and (3) and are particularly suitable for a library lending management system. Means for solving the problem
  • the present invention provides a disk-shaped recording medium including a recording area for recording information therein.
  • the antenna is formed of a conductor having a substantially circular cross section, a substantially regular polygon or a substantially square.
  • the antenna In a state where the antenna is attached to the recording medium, the antenna is located on a recording area of the recording medium.
  • the number of turns and the interval between the conductors of the antenna are set so as to reduce the variation in the communication distance of the antenna when the antenna is attached to a plurality of types of recording media.
  • the number of turns of the conductor is 4, and the interval between the conductors is 0.35 mm or 0.45 mm.
  • the diameter of the antenna is 110 mm, and the cross-sectional diameter ⁇ of the conductor is 0.11 mm.
  • the resonance frequency of the antenna before being attached to the recording medium It is preferable to set the frequency higher than the operating frequency of the IC chip.
  • the antenna includes a plurality of arc-shaped circumferential portions located on the circumference of the recording medium, and a plurality of non-circumferential portions located on the inner side of the circumference of the recording medium.
  • the circumferential portions may be arranged symmetrically with respect to the rotation center of the recording medium, and the non-circumferential portions may be arranged symmetrically.
  • the storage medium according to the present invention includes a disk-shaped recording medium including a recording area for recording information therein, a loop-shaped antenna provided on the surface of the recording medium, and a non-contact through the antenna.
  • a disk-shaped recording medium including a recording area for recording information therein, a loop-shaped antenna provided on the surface of the recording medium, and a non-contact through the antenna.
  • FIG. 1 is a diagram showing an IC tag sticking sheet for a recording medium according to an embodiment of the present invention.
  • FIG. 1 (a) is a plan view
  • FIG. 1 (b) is a cross-sectional view taken along line AA of the plan view.
  • FIG. The cross-sectional view is a schematic diagram, and the thicknesses are correct and the scale is shown. Also, it shows a planar / linear state on the assumption that no distortion / bending occurs!
  • 1 is an implementation of the present invention.
  • 5 is an IC tag sticking sheet for a recording medium according to the embodiment.
  • the IC tag affixing sheet 1 for a recording medium has a disk-shaped sheet (base) 10 which is the same shape as a recording medium such as a CD and is slightly smaller, and a little inside the outer edge of the sheet 10 (eg, about 2.5 mm inside).
  • An antenna 101 provided along the circumference, an IC chip 102 that communicates with the outside in a non-contact manner through the antenna 101, a connection lead 103 for connecting the antenna 101 to the IC chip 102, and rotation of a recording medium.
  • a counter weight (balance weight) 104 is provided at a symmetrical position of the IC chip 102 with respect to the center to balance rotation.
  • the separator 12 is peeled off, and the IC tag attachment sheet 1 for a recording medium is attached to the recording medium.
  • the resonance frequency of the antenna 101 is set higher than the operating frequency of the IC chip 102. With this setting, when the recording medium IC tag attachment sheet 1 is attached to the recording medium, the resonance frequency is lowered, and becomes equal to the working frequency. As shown in FIG. 1A, by arranging the antenna 101 in a circular shape along the outer edge of the sheet 10, the diameter of the antenna 101 can be maximized and the gain thereof can be increased. However, if at least a part of the antenna 101 has the shape shown in FIG.
  • FIG. 2A shows a detailed cross-sectional view of a portion of the antenna 101.
  • the antenna 101 is composed of four conductors 101-1 to 101-4 arranged substantially concentrically. The diameter of the conductor is about 0.11.
  • the four conductors 101—1—101—4 are arranged at a constant interval (pitch) P.
  • the power to configure the antenna 101 with thin conductors is important to satisfy the above conditions (1)-(3).
  • the thickness is smaller than the conductor width (typically when the conductor is printed or etched) as shown by reference numerals 101'-1 and 101'-2 in Fig. 2 (c), it is attached to the recording medium. It was impossible to communicate with the IC tag in this state.
  • the reason is that when formed by etching or the like, it is difficult to increase the thickness of the conductor, and the cross-sectional area cannot be increased. Even if it is made thicker, one side (for example, the side) of the conductor becomes thinner and the cross-sectional area cannot be increased like a conductor. Therefore, it is presumed that the resistance value becomes larger than the inductance, and the characteristics of the coil deteriorate.
  • Patent Document 1 discloses the power of providing antenna 101 and IC chip 102 only in a region where a recording surface does not exist. According to the embodiment of the present invention, such a restriction becomes unnecessary.
  • FIG. 2B shows a detailed cross-sectional view of a part of the IC chip 102.
  • the IC chip 102 includes a main body 102a and a mounting portion 102b as a base thereof. Attach the IC chip 102 to the sheet 10 with the attaching portion 102b.
  • the main body 102a is housed in an opening provided in the seat 10.
  • FIG. 2D shows an example of a plan view of the IC chip 102. In this example, both ends of the main body 102a are provided with mounting portions 102b also serving as connection terminals. Antennas on these terminals The terminal 101 is connected.
  • the part of the counter weight 104 is the same as that of FIG.
  • FIG. 3 is a diagram showing a state in which the IC tag attachment sheet 1 for a recording medium is attached to a recording medium.
  • FIG. 3 (a) is a plan view, and FIG. It is arrow sectional drawing.
  • the recording medium IC tag attaching sheet 1 does not protrude the recording medium force. Therefore, if the thickness of the sheet 1 is within the range permitted by the standard of the recording medium, the original function of the recording medium will not be impaired.
  • the antenna 101 and the IC chip are provided on a recording surface (recording area) 21 of a recording medium as shown in FIG.
  • FIGS. 4 and 8 show actual measurement data obtained by measuring the resonance frequency and the communication distance by changing the number of windings of the antenna 101 and the interval (pitch) thereof.
  • the resonance frequency is measured using a dip meter.
  • An oscillation circuit is inserted in the dip meter, and the oscillation energy is displayed on the meter! Bring the coil of the dip meter closer to the coil of the resonance circuit to be measured, turn the dial of the measuring instrument to change the oscillation frequency little by little, and when the resonance frequency is reached, the oscillation energy of the dip meter will reach the resonance circuit to be measured. It is sucked and the needle of the meter goes down. This is used to measure the frequency of the resonant circuit.
  • Fig. 4 (a) is a graph showing the resonance frequency and the communication distance.
  • the vertical scale on the right side of the graph indicates the frequency (unit: MHz), and the vertical scale on the left side indicates the communication distance (unit: mm) (the same applies to the graphs in FIG. 5 and subsequent figures).
  • the horizontal axis is the number of the recording medium to which the IC tag to be measured is attached.
  • measurements are made on 10 recording media. All ten recording media in Fig. 4 are of the same type.
  • the data after Fig. 5 are measured for different types of recording media.
  • FIG. 4 (b) shows the measured data.
  • the graph in Fig. 4 (a) is a graph of the data in Fig. 4 (b) (the same applies hereinafter).
  • the resonance frequency is about 14.5MHz and the communication distance is about 260mm.
  • the resonance frequency is about 14. OMHz and the communication distance is 231-270mm.
  • the resonance frequency is 15.00-15.70MHz and the communication distance is 222-310mm.
  • the resonance frequency is 14.10-14.40MHz and the communication distance is 213-309mm.
  • the resonance frequency is 14.0-14.50MHz and the communication distance is 241-280mm.
  • FIG. 8 shows a smaller variation in communication distance and a longer communication distance. From FIGS. 6 and 7, it can be seen that when the number of turns is increased from 4 or the pitch is increased to 1.35 mm, the variation in the communication distance becomes extremely large. In order to satisfy the condition (3) described above, it is desirable not to increase the number of turns or increase the pitch too much.
  • a plurality of types of windings and intervals of the conductor of the antenna 101 satisfy the above-mentioned conditions (1) and (3), that is, while maintaining a predetermined communication distance. It is preferable that the communication distance of the antenna is set so as to be less varied in a state where the antenna is attached to the recording medium. Summarizing the above data, it can be said that the example in Fig. 8 is most suitable for the conditions (1) and (3) described above. It has been found that when the antenna 101 is attached to a recording medium, its resonance frequency becomes lower. This is presumed to be due to capacitive coupling between the antenna and the recording surface of the recording medium.
  • the resonance frequency of the antenna 101 before being attached to the recording medium be set higher than the operating frequency of the IC chip 102 (eg, 13.56 MHz). In this way, optimal performance can be exhibited in the usage state of the IC tag.
  • Figure 9 shows the characteristics of the antenna before attaching it to the recording medium (CD).
  • Fig. 9 shows an antenna with the same conditions as Fig. 8.
  • the resonance frequency of the antenna before attachment is 19.2 MHz with a dip meter. When the antenna is attached to a recording medium, it decreases by about 25% from 14.00 to 14.50 MHz as shown in Fig. 8.
  • Embodiments of the present invention are characterized in that the antenna is configured using a conducting wire that is not printed or etched. This is based on the inventor's knowledge that almost no communication is possible in the state of being attached to a recording medium by printing or etching, but communication is possible with a conductor. Antennas using conductors can increase costs compared to printing and etching.In the case of a library lending management system, IC tags are attached to recording media after the fact, so it is not a problem to use them in large quantities. No.
  • the antenna is formed of a conductor having a substantially circular cross section, and the antenna is arranged along the circumference of the recording medium. Since the outer diameter can be increased and the output can be increased, the communication distance has been successfully extended to a practical level. By appropriately selecting the number of turns and the spacing of the conductors constituting the antenna, it has become possible to use the antenna by attaching it to various recording media. As a result, as the output increases, the antenna can be arranged on the recording area of the recording medium in a state of being attached to the recording medium, so that the reliability can be improved. In the conventional method, the antenna cannot be placed on the recording area, but the antenna has to be provided on the outer periphery, and the fingers and the members of the driving device come into contact, damaging the antenna and the IC chip, making it almost impractical .
  • the condition (2) described above must be able to communicate with the IC tags of all the books and recording media even when a number of books and recording media are stacked and placed on the reader Z writer.
  • it can be satisfied by configuring the antenna as described above.
  • Good. One way to do this is to increase the size of the antenna as described above and prepare antennas of various shapes so that adjacent recording media do not overlap when recording media are stacked. Conceivable. If only one type of antenna in Fig. 1 is used, the entire antenna will be very close to each other when the recording media are superimposed, and the reader Z writer will be able to communicate near and far, while the nearer will be closer and closer. Communication may be difficult due to interference of other antennas.
  • the shape of the antenna is various, it is preferable to arrange at least a part of the antenna along the circumference of the recording medium in order to increase the area of the antenna as much as possible.
  • the circular shape shown in FIG. 1 and the non-circular shape can be adopted.
  • the term non-circular as used herein means that at least a part of the non-circular shape is arranged along the circumference of the recording medium and forms an arc, but a part of the non-circular shape is separated from the circumference and arranged inside.
  • the one shown in Fig. 11 (a) is also a kind of non-circular here.
  • the arcs arranged along the circumference with respect to the center of rotation of the recording medium are symmetrical, and the arcs arranged inside the circumference are also symmetrical. Desired,.
  • the antenna 101 of Fig. 10 has two arcs (circumferential portion) 101a of about 1Z4 of the circumference and two portions (non-circumferential portion) of a shape obtained by bending the portion of about 1Z4 of the circumference inward. 101b.
  • the circumferential portions 101a are arranged symmetrically with respect to the rotation center of the recording medium. The same applies to the non-circumferential portion 101b.
  • the antenna 101 in FIG. 10 has a shape like a so-called weight.
  • the antenna 101 shown in FIG. 11A is composed of two circular arcs (circumferential portions) 101a having a circumference of about 1Z6 and a straight line portion (non-circumferential portion) 101b connecting the ends thereof.
  • the circumferential portion 101a and the non-circular portion 101b are arranged symmetrically as in FIG.
  • the antenna in Fig. 10 has a shape close to a rectangle.
  • the sheet 10 does not have to have a disk shape.
  • the sheet 10 may have a shape similar to the antenna 101 as shown by a dotted line in FIG.
  • the sheet 10 has a shape suitable for the recording medium, and the shape includes a shape similar to the antenna of FIG.
  • 1 Kb shows an example of such an antenna.
  • the figure shows the case where the antenna is square
  • the shape of the antenna By making the shape of the antenna various as shown in Fig. 1, Fig. 10, and Fig. 11, even when a plurality of recording media to which IC tags are attached are superimposed, the antennas of the recording media are mutually reciprocal. It is possible to prevent interference. From the viewpoint of preventing interference, it is preferable that the shape of the antenna be different for each recording medium. In the case of the circular antenna shown in FIG. 1, there is a possibility that the antenna will interfere even if the recording medium is rotated.However, if the recording medium is rotated as shown in FIGS. Can also prevent antenna interference. In other words, even when only one type of non-circular antenna is used, the recording medium is oriented in various directions during use, so that the antennas hardly completely overlap, and the possibility of interference is reduced.
  • the present invention is not limited to this use.
  • the present invention can be applied to any application that needs to satisfy some or all of the above conditions (1)-(3).
  • FIG. 1 is a diagram showing an IC tag sticking sheet for a recording medium according to an embodiment of the present invention.
  • FIG. 1A is a plan view
  • FIG. 1B is a sectional view taken along line AA of the plan view.
  • FIG. 2 (a) is a detailed sectional view of an antenna part according to an embodiment of the present invention
  • FIG. 2 (b) is a detailed sectional view of the IC chip part
  • FIG. 2 (d) is an example of a plan view of an IC chip in a detailed cross-sectional view when formed by etching.
  • FIG. 3 is a diagram showing a state in which an IC tag attachment sheet for a recording medium according to an embodiment of the present invention is attached to a recording medium.
  • 1 (a) is a plan view
  • FIG. 1 (b) is a cross-sectional view taken along line A—A in the plan view.
  • FIG. 1 (b) is a cross-sectional view taken along line A—A in the plan view.
  • FIG. 10 is a plan view showing a non-circular antenna shape according to the embodiment of the present invention.
  • ⁇ 11 ⁇ is a plan view showing another non-circular antenna shape according to the embodiment of the present invention.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Security & Cryptography (AREA)
  • Credit Cards Or The Like (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Near-Field Transmission Systems (AREA)
  • Details Of Aerials (AREA)

Abstract

Il est prévu une étiquette à circuit intégré qui peut être directement collée sur un CD. L’étiquette à circuit intégré comprend une feuille plane mince (10) à laquelle on donne une forme adaptée au CD, une antenne en forme de boucle (101) prévue le long de la circonférence du CD, et une puce à circuit intégré (102) assurant des communications sans contact par l’intermédiaire de l’antenne. L’antenne (101) est formée d’un conducteur et disposée sur la région d’enregistrement du CD. Si les communications ont été, traditionnellement, impossibles lorsque l’antenne est disposée sur la région d’enregistrement du CD, elles sont possibles lorsqu’une antenne est formée d’un conducteur.
PCT/JP2004/015419 2004-03-24 2004-10-19 Feuille de collage d’une etiquette a circuit integre sur un support d’enregistrement et support d’enregistrement WO2005091434A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005518814A JP4374346B2 (ja) 2004-03-24 2004-10-19 光記録媒体用ｉｃタグ貼付シート

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004-087774 2004-03-24
JP2004087774 2004-03-24

Publications (1)

Publication Number Publication Date
WO2005091434A1 true WO2005091434A1 (fr) 2005-09-29

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PCT/JP2004/015419 WO2005091434A1 (fr) 2004-03-24 2004-10-19 Feuille de collage d’une etiquette a circuit integre sur un support d’enregistrement et support d’enregistrement

Country Status (4)

Country Link
JP (2) JP4374346B2 (fr)
KR (1) KR20060135822A (fr)
CN (1) CN1926721A (fr)
WO (1) WO2005091434A1 (fr)

Cited By (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008038672A1 (fr) * 2006-09-26 2008-04-03 Toppan Printing Co., Ltd. Support d'information rfid et article auquel le support est attaché
JP2008134796A (ja) * 2006-11-28 2008-06-12 Trc Library Service Inc Ｉｃタグを利用した書籍類管理システムにおけるｃｄ／ｄｖｄの盗難防止用書籍類管理システム
WO2010047214A1 (fr) * 2008-10-24 2010-04-29 株式会社村田製作所 Dispositif ci radio
CN101904052A (zh) * 2007-12-20 2010-12-01 原田工业株式会社 贴片天线装置
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JPWO2005091434A1 (ja) 2007-08-09
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CN1926721A (zh) 2007-03-07
JP4970503B2 (ja) 2012-07-11

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