WO2020075469A1 - Étiquette de marquage rf et produit en caoutchouc équipé d'une étiquette de marquage rf - Google Patents

Étiquette de marquage rf et produit en caoutchouc équipé d'une étiquette de marquage rf Download PDF

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Publication number
WO2020075469A1
WO2020075469A1 PCT/JP2019/036748 JP2019036748W WO2020075469A1 WO 2020075469 A1 WO2020075469 A1 WO 2020075469A1 JP 2019036748 W JP2019036748 W JP 2019036748W WO 2020075469 A1 WO2020075469 A1 WO 2020075469A1
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WO
WIPO (PCT)
Prior art keywords
rubber
tag label
rfid component
chip
holding member
Prior art date
Application number
PCT/JP2019/036748
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English (en)
Japanese (ja)
Inventor
博至 梅垣
詩朗 杉村
Original Assignee
株式会社梅垣ラベルサービス
株式会社フェニックスソリューション
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
Priority claimed from JP2019116260A external-priority patent/JP7410488B2/ja
Application filed by 株式会社梅垣ラベルサービス, 株式会社フェニックスソリューション filed Critical 株式会社梅垣ラベルサービス
Publication of WO2020075469A1 publication Critical patent/WO2020075469A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C19/00—Tyre parts or constructions not otherwise provided for
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link

Definitions

  • the present invention relates to an RF tag-labeled rubber-based product having an RF tag label having at least one RFID component and a holding member for holding the RFID component, and a rubber-based body to which the RF tag label is integrally fixed.
  • RFID Radio Frequency Identification
  • a reading device a reader / writer
  • the identification information stored in the RFID component is read by the reading device.
  • Rubber products such as tires for vehicles such as automobiles
  • manufacturing management, distribution management, maintenance management, etc. it is performed to grasp the unique information of each tire regarding specifications, manufacturing history, usage history, etc.
  • Tires with RFID components have been proposed.
  • Patent Document 1 Japanese Patent Publication No. 2006-507967
  • RFID Parts a high frequency device having an antenna covered with an insulating coating material having a dielectric constant smaller than that of a rubber material and embedded in a rubber material of a tire
  • the antenna of this high-frequency device is a dipole antenna, and by covering the antenna with an insulating coating material having a dielectric constant smaller than that of the rubber material of 3 or less to a thickness of at least 0.02 mm, carbon black or the like can be obtained.
  • the reinforcing filler direct contact between the conductive rubber material and the antenna is avoided, and the problem of energy loss due to the conductive rubber material is overcome.
  • Japanese Patent Application Laid-Open No. 2004-013399 discloses a tire antenna device capable of improving communication performance between a communication device provided on the tire and an external communication device, and a tire having a communication function.
  • a point C and a point D which are arbitrary points of the belt 2 attached over the entire circumference of the tire 100, are connected by a bypass wiring 82, and the communication circuit section 81 is connected to the bypass wiring 82 to It is described that the portion functions as a loop antenna and that the magnetic body 83 is provided in the vicinity of the belt 2 between the points C and D.
  • Patent Document 3 Japanese Patent Publication No. 2005-535497 discloses an RFID chip (RFID component) housed inside a rubber tire, the RFID chip being mounted inside the rubber tire and performing radio wave communication and It is described as being capacitively coupled to a conductive belt housed inside the tire to provide an antenna for reception.
  • Patent Document 4 Japanese Patent Laid-Open No. 2002-264617), it is possible to communicate with an internal RFID tag (RFID component) from any direction over the entire circumference of a tire by the action of a loop antenna, and to extend the communication distance.
  • the RFID tag is installed on the tire so that the detection value of the internal state detection unit installed inside the tire can be easily read from the outside, and the loop antenna 8 is provided along the circumferential direction of the tire 7.
  • a detection coil 9a forming a series circuit and an RFID tag 1a having an antenna coil 2a electromagnetically coupled to the detection coil 9a are provided in the tire 7, and air pressure, internal temperature, etc. are provided inside the tire 7.
  • the installation structure of the RFID tag which is configured by installing the internal state detection unit 11 for detecting the, and connecting it to the RFID tag 1a, is described.
  • Patent Document 5 Japanese Patent Laid-Open No. 10-166820 discloses a transmission output of an interrogator by using a coil-shaped conductive wire used in the inner and outer circumferences of a tire as an antenna directly connected to a transponder.
  • a tire with a transponder capable of increasing a communication distance with a transponder without increasing the electric power, wherein the transponder 3 and the wire 131 in the jointless belt 13A arranged on the inner and outer peripheral portions of the tire are electrically directly connected.
  • Patent Document 1 discloses a high-frequency device (RFID component) that can be embedded in a tire relatively easily. Then, in Patent Document 1, a reading range of 41 inches (about 1 m) is realized by adjusting an RFID component having a half-wavelength dipole length of 83 mm and a reading range of 48 inches in a free space to 47 mm when embedded in a tire. However, since the RFID component of Patent Document 1 does not have an element for matching the impedance of the IC chip of the RFID component and the antenna, the impedance of the IC chip and the antenna wire may not match depending on the IC chip or the communication frequency. There is a problem that performance deteriorates.
  • RFID component radio frequency
  • the antenna described in Patent Document 1 when the antenna described in Patent Document 1 is embedded in a tire, the antenna length fluctuates due to the pressure during tire molding, and the dielectric constant fluctuates due to variations in rubber components during vulcanization, etc. There is also a problem in that the communication distance is reduced due to two fluctuation factors such that the wavelength ⁇ changes.
  • Patent Document 2 a magnetic body 83 is provided in order to bring a part (2a) of the belt 2 into an electrically close state (Patent Document 2), and the antenna pin 11 is provided.
  • a capacitive coupling to the conductive belt 74, and further, the ground pin 16 is connected to a ground plane provided between the RFID chip 10 and the surface of the tire 50 (Patent Document 3), and a loop antenna having a large diameter along the circumferential direction of the tire. 8 is embedded, and the antenna coil 2 and the detection coil 9 are further added (Patent Document 4), the use is limited to "a tire with a transponder in which the rubber of the belt strip is a non-conductive rubber", and conductive carbon powder is used.
  • an RF tag cannot be used (Patent Document 5), and the tire needs to be subjected to additional complicated processing or embedded. Kill tire there is a problem, such as limited.
  • the present invention solves these problems, and can easily embed an RFID component in a rubber-based product such as a tire without additional complicated processing, and a rubber-based product in vulcanization or the like. It is an object of the present invention to provide an RF tag label that is not easily affected by variations in rubber components and pressure during molding and that can suppress a decrease in communication distance, and a rubber-based product with an RF tag label that incorporates the RF tag label. is there.
  • the RF tag label of the present invention is an RF tag label having at least one RFID component and a holding member that holds the RFID component, wherein the RFID component is fixed to a fixing surface that is one side surface of the holding member.
  • the rubber-based product with an RF tag label of the present invention is a rubber-based product with an RF tag label, which has an RF tag label and a rubber-based body to which the RF tag label is integrally fixed, wherein the RF tag label is the product of claims 1 to 1. Item 12.
  • the RF tag label according to any one of Items 11, wherein the holding member of the RF tag label includes unsaturated rubber, and when contacting between rubber-based bodies and subsequent vulcanization of the rubber-based bodies, The problem is solved by cross-linking with the rubber of the rubber-based body during vulcanization to form a permanent bond between the rubber-based bodies.
  • the holding member to which the RFID component is fixed is integrated with the rubber-based product. Since the RFID component will be accurately embedded at a predetermined position of the rubber-based product, the RFID component can be easily embedded in the rubber-based product such as a tire without additional complicated processing, and the vulcanization can be performed. It is unlikely to be affected by variations in the rubber component of the rubber-based product and pressure during molding, and it is possible to suppress a decrease in communication distance.
  • the position of the RFID component can be fixed more accurately and reliably, and further, The RFID component is accurately embedded in the rubber product at a predetermined position. Further, by configuring the RFID component so as not to project from the fixing surface, handling of the RF tag label before being integrated with the rubber-based product is facilitated, and damage or detachment of the RFID component can be prevented. it can. According to the configuration of claim 3, since the RFID component is adhered to the holding member, the position of the RFID component when integrated with the rubber-based product can be more accurately and reliably fixed.
  • the holding member includes unsaturated rubber, and during contact between the rubber-based products and subsequent vulcanization of the rubber-based products, the rubber is provided during vulcanization of the rubber-based products.
  • the RF-tag label can be more firmly integrated with the rubber-based product, and the RF-tag label can be integrated with the rubber-based product. It becomes possible to suppress the change in the characteristics of the rubber-based product itself due to the integration with.
  • the RFID component is connected between the IC chip, the two antenna lines respectively connected to the two terminals of the IC chip, and the two terminals of the IC chip.
  • An RFID component is provided by including an inductor and a matching circuit configured by the inductor and the internal equivalent capacitance of the IC chip, and matching the impedance between the IC chip and the antenna line at the communication frequency of the RF tag. Even when embedded in a wide range of tires including vulcanized tires, it is possible to suppress a decrease in communication distance.
  • the inductor is a chip inductor, the contact area with the holding member or the integrated rubber-based product is reduced, and the variation of the inductance due to the dielectric constant of the rubber is suppressed. Impedance matching between the chip and the antenna wire can be maintained.
  • the inductor is coated with a material having a lower dielectric constant than the rubber of the rubber-based product and the holding member, so that the inductance due to the dielectric constant of the holding member or the integrated rubber-based product. Can be further suppressed and the impedance matching between the IC chip and the antenna line can be maintained.
  • the two antenna lines extend in opposite directions from the IC chip, and when the wavelength of the communication frequency is ⁇ , the lengths of the two antenna lines are both 1 /. With 4 ⁇ , the antenna can be designed according to the optimum value.
  • the two antenna wires are both formed of conductor mesh wires, they are damaged by pressure or the like when embedded in a rubber-based product, and their lengths fluctuate. This is suppressed and peeling from the holding member is suppressed.
  • the configuration of claim 10 since the two antenna wires are both formed of a copper mesh wire, the resistance of the antenna wires can be reduced.
  • the handling when handling the RF tag label before the integration is further facilitated, and the RFID component is also provided. It is possible to prevent damage and dropout. Further, it becomes possible to suppress the deterioration of the surface of the holding member and the change of the characteristics.
  • a rubber-based product with an RF tag label of the invention according to claim 12 has an RF tag label and a rubber-based body to which the RF tag label is integrally fixed, and a holding member of the RF tag label includes unsaturated rubber, and a rubber.
  • the RFID component is accurately positioned at a predetermined position of the rubber product by cross-linking with the rubber of the rubber main body during vulcanization of the rubber main body. Since it is embedded in the rubber product, it is possible to easily embed RFID parts without additional complicated processing in the rubber product, and to avoid the effects of variations in the rubber component during vulcanization, etc. and the pressure during molding. It is difficult to receive, and it is possible to suppress a decrease in communication distance. Further, it becomes possible to suppress the change in the characteristics of the rubber-based product itself due to the integration of the RF tag label.
  • the rubber-based main body is a tire, it is possible to grasp the unique information of each tire regarding the tire specifications, manufacturing history, usage history, and the like.
  • the RF tag label is attached to the side wall of the rubber-based body, so that the RFID component can be prevented from being damaged or deformed by the pressure at the time of molding the rubber-based product.
  • the RF tag label is embedded in the rubber-based body, so that the RF tag label and the rubber-based body are more firmly integrated.
  • the two antenna wires are fixed to the rubber-based main body so as to extend in the radial direction around the rotation axis of the rubber-based main body. It is less susceptible to the accompanying deformation, and it is possible to prevent the RFID component from being damaged or deformed.
  • Sectional explanatory drawing of the tire (rubber-type product) 100 with a RF tag label which concerns on 1st Embodiment of this invention The actual photograph of RF tag label 110 which concerns on 1st Embodiment of this invention. Sectional drawing of the RF tag label 110 which concerns on 1st Embodiment of this invention. Explanatory drawing of the holding member 111 of the RF tag label 110 which concerns on 1st Embodiment of this invention. Explanatory drawing of the RFID component of 1st Embodiment of this invention.
  • a tire 100 with an RF tag label which is a rubber-based product with an RF tag label according to the first embodiment of the present invention, has a carcass 103 and a wheel rim 107 side over a tire body 101 that is a rubber-based body.
  • the bead wire 102 and the breaker cord 105 are embedded on the tread 106 side.
  • the RFID component 120 is embedded in the sidewall 104 of the tire body 101.
  • the RFID component 120 is fixed to a fixing surface 113 that is one side surface of the holding member 111 to form an RF tag label 110, and the RF tag label 110 is attached to the tire body 101.
  • the RFID component 120 is embedded in the sidewall 104 by arranging it in a molded shape and molding integrally during molding. It should be noted that an attachment portion (a concave portion or the like) of the RF tag label 110 may be provided when the tire body 101 is molded, and the RF tag label 110 may be fixed after molding.
  • the holding member 111 of the RF tag label 110 has a recess 112 in which the RFID component 120 is accommodated in the fixing surface 113, and when the RFID component 120 is fixed, the RFID component 120 is fixed.
  • the whole is housed in the recess 112, and is configured so as to hardly project to the fixed surface 113 side.
  • the recess 112 may be formed in a slit shape so as to be accommodated in the slit by the elasticity of the holding member 111, or may be fixed to the fixing surface 113 with an adhesive or the like without providing the recess 112.
  • the holding member 111 preferably comprises unsaturated rubber and forms a permanent bond by cross-linking with the rubber of the tire body 101 during vulcanization during molding of the tire body 101. Further, in the present embodiment, as shown in FIG. 3, a release film 114 that covers the RFID component 120 is provided on the fixed surface 113 of the holding member 111, and a release film 114 is also provided on the opposite surface. By peeling off the peeling film 114 immediately before the step of integrating with the tire body 101, handling when handling the RF tag label 110 becomes easy, and damage and dropout of the RFID component 120 can be prevented. It is possible to suppress the deterioration of the surface of the holding member 111 and the change of the characteristics.
  • the RFID component 120 includes two antenna wires 121, an IC chip 122, and a chip inductor 123.
  • the capacitor C is the internal equivalent capacitance of the IC chip.
  • the RFID component 120 includes a dipole antenna, and two antenna wires 121 are respectively connected to two terminals of an IC chip 122 and extend in opposite directions from the IC chip 122 to form two antennas of a dipole antenna. .
  • the length of each of these two antenna lines 121 is 1 ⁇ 4 ⁇ , where ⁇ is the effective wavelength at the communication frequency of the RFID component 120.
  • these two antenna wires 121 are formed by conductor mesh wires. Although copper is used as the conductor in this embodiment, iron, brass, or the like can also be used.
  • the antenna wire 121 is formed of a mesh wire so that the antenna wire 121 can be bent, twisted, and slightly contracted.
  • the mesh antenna wire 121 is embedded in the tire body 101, the rubber penetrates to the inside of the mesh wire, so that the RFID component 120 is integrated with the rubber of the tire body 101 and peels off the RFID component 120 from the tire body 101. Can be prevented. Further, when the RFID component 120 is embedded in the tire body 101, the effective wavelength becomes shorter according to the permittivity of the tire body 101.
  • the antenna wire is contracted to a length corresponding to the maximum permittivity
  • the IC chip 122 has a function as the RFID component 120 including transmission and reception of radio waves.
  • the radio wave transmission / reception terminal of the IC chip 122 usually has an output impedance in which a resistance component of about 1 k ⁇ to 2 k ⁇ and a capacitance component of about 1 pF to 2 pF are connected in parallel.
  • the fundamental impedance of the half-wave type dipole antenna is 73.1 + j42.55 ⁇ , when this transmitting / receiving terminal is connected to the dipole antenna, the impedance does not match and the communication distance of the RFID component 120 becomes short. There are challenges.
  • an inductor is connected between two terminals of the IC chip 122 to form a matching circuit with the inductor and the internal equivalent capacitance of the IC chip 122, and the inductance value is adjusted to adjust the radio wave of the IC chip 122.
  • the communication distance of the RFID component 120 is 2 m or more.
  • this inductor when this inductor is formed of a coil pattern, the inductance of the coil pattern changes due to the dielectric constant of the rubber of the tire main body 101 that is overlaid on the coil pattern, the impedances do not match, and the communication distance becomes shorter. Therefore, in the present embodiment, by adopting the chip inductor 123 having a small contact area with rubber as the inductor, the variation of the inductance when the RFID component 120 is embedded in the tire body 101 is reduced, and the impedance matching shifts. Is suppressed. Further, when the chip inductor 123 is not adopted as the inductor, the variation of the inductance can be reduced by a method of covering the coil pattern with a protective material having a small dielectric constant, which is preferable.
  • the dielectric constant of the protective material is preferably 1 or more and 2 or less.
  • the antenna wire 121 is embedded in the sidewall 104 of the tire body 101 along the radial direction around the rotation axis of the tire body 101. This is because the damage due to the deformation of the tire body 101 during acceleration / deceleration is small and the peeling of the RFID component 120 can be prevented. The reason for this is that the RFID component 120 can be shortened and that there are few obstacles between the RFID component 120 and the reading device.
  • the RFID component 120 can be embedded anywhere in the tire body 101, such as between.
  • the RF tag label of the present invention is useful in the manufacture, distribution, and / or inventory management of tires, but other rubber-based products such as, for example, rubber suspension parts, rubber cushions, rubber damping parts, and other rubber-based products. It can also be used with. Further, the RFID component may be of various types such as a passive type and an active type, and the shape of the antenna may be arbitrary.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Theoretical Computer Science (AREA)
  • Tires In General (AREA)

Abstract

L'invention concerne une étiquette de marquage RF qui permet à un composant RFID d'être facilement incorporé dans un produit en caoutchouc tel qu'un pneu sans traitement compliqué supplémentaire, n'est pas facilement affecté par la variation des composants de caoutchouc d'un produit en caoutchouc due à une vulcanisation ou analogue, ou une pression pendant la mise en forme, et est apte à empêcher une réduction de la distance de communication. L'invention concerne également un produit en caoutchouc équipé d'une étiquette de marquage RF dans lequel une étiquette de marquage RF est incorporée. Ladite étiquette de marquage RF a au moins un composant RFID (120) et un élément de maintien (111) destiné à maintenir le composant RFID (120), et le composant RFID (120) est fixé à une surface de fixation (113), qui est une surface latérale de l'élément de maintien (111).
PCT/JP2019/036748 2018-10-10 2019-09-19 Étiquette de marquage rf et produit en caoutchouc équipé d'une étiquette de marquage rf WO2020075469A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2018-191509 2018-10-10
JP2018191509 2018-10-10
JP2019-116260 2019-06-24
JP2019116260A JP7410488B2 (ja) 2019-06-24 2019-06-24 Ｒｆタグラベル及びｒｆタグラベル付きゴム系製品

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WO2020075469A1 true WO2020075469A1 (fr) 2020-04-16

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9820433B2 (en) 2012-12-28 2017-11-21 Positec Power Tools (Suzhou Co., Ltd.) Auto mowing system
CN116529735A (zh) * 2020-10-30 2023-08-01 凤凰解决方案股份有限公司 橡胶产品用rfid标签以及橡胶产品用rfid标签的制造方法
JP7464833B2 (ja) 2020-05-28 2024-04-10 横浜ゴム株式会社 空気入りタイヤ

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007148848A (ja) * 2005-11-29 2007-06-14 Sumika Chemtex Co Ltd Ｉｃタグユニット
JP2007331293A (ja) * 2006-06-16 2007-12-27 Bridgestone Corp 空気入りタイヤの製造方法
JP2008009539A (ja) * 2006-06-27 2008-01-17 Hitachi Chem Co Ltd Ｉｃタグ
JP2009134567A (ja) * 2007-11-30 2009-06-18 Bridgestone Corp ゴムカバー付ｉｃタグの製造方法
JP2009288874A (ja) * 2008-05-27 2009-12-10 Mitsubishi Electric Corp 無線通信装置
JP2012240680A (ja) * 2011-05-19 2012-12-10 Goodyear Tire & Rubber Co:The 埋め込まれたトランスポンダとタイヤの組立体およびその製造方法
JP2014021894A (ja) * 2012-07-23 2014-02-03 Fujitsu Ltd Ｒｆｉｄタグ
KR20160050452A (ko) * 2014-10-29 2016-05-11 아시아나아이디티 주식회사 타이어 부착형 알에프아이디 태그
JP2016533968A (ja) * 2013-09-17 2016-11-04 ブリヂストン アメリカズ タイヤ オペレーションズ、 エルエルシー 外部に取り付けられた装置のためのタイヤ構造

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007148848A (ja) * 2005-11-29 2007-06-14 Sumika Chemtex Co Ltd Ｉｃタグユニット
JP2007331293A (ja) * 2006-06-16 2007-12-27 Bridgestone Corp 空気入りタイヤの製造方法
JP2008009539A (ja) * 2006-06-27 2008-01-17 Hitachi Chem Co Ltd Ｉｃタグ
JP2009134567A (ja) * 2007-11-30 2009-06-18 Bridgestone Corp ゴムカバー付ｉｃタグの製造方法
JP2009288874A (ja) * 2008-05-27 2009-12-10 Mitsubishi Electric Corp 無線通信装置
JP2012240680A (ja) * 2011-05-19 2012-12-10 Goodyear Tire & Rubber Co:The 埋め込まれたトランスポンダとタイヤの組立体およびその製造方法
JP2014021894A (ja) * 2012-07-23 2014-02-03 Fujitsu Ltd Ｒｆｉｄタグ
JP2016533968A (ja) * 2013-09-17 2016-11-04 ブリヂストン アメリカズ タイヤ オペレーションズ、 エルエルシー 外部に取り付けられた装置のためのタイヤ構造
KR20160050452A (ko) * 2014-10-29 2016-05-11 아시아나아이디티 주식회사 타이어 부착형 알에프아이디 태그

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9820433B2 (en) 2012-12-28 2017-11-21 Positec Power Tools (Suzhou Co., Ltd.) Auto mowing system
US10555456B2 (en) 2012-12-28 2020-02-11 Positec Power Tools (Suzhou) Co., Ltd. Auto mowing system
JP7464833B2 (ja) 2020-05-28 2024-04-10 横浜ゴム株式会社 空気入りタイヤ
CN116529735A (zh) * 2020-10-30 2023-08-01 凤凰解决方案股份有限公司 橡胶产品用rfid标签以及橡胶产品用rfid标签的制造方法
CN116529735B (zh) * 2020-10-30 2024-03-05 凤凰解决方案股份有限公司 橡胶产品用rfid标签以及橡胶产品用rfid标签的制造方法

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