WO2022056681A1 - Micro-capteur radiofréquence anti-métal - Google Patents

Micro-capteur radiofréquence anti-métal Download PDF

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Publication number
WO2022056681A1
WO2022056681A1 PCT/CN2020/115364 CN2020115364W WO2022056681A1 WO 2022056681 A1 WO2022056681 A1 WO 2022056681A1 CN 2020115364 W CN2020115364 W CN 2020115364W WO 2022056681 A1 WO2022056681 A1 WO 2022056681A1
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WO
WIPO (PCT)
Prior art keywords
radio frequency
metal
antenna
layer
frequency sensor
Prior art date
Application number
PCT/CN2020/115364
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English (en)
Chinese (zh)
Inventor
焦林
Original Assignee
焦林
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 焦林 filed Critical 焦林
Priority to PCT/CN2020/115364 priority Critical patent/WO2022056681A1/fr
Publication of WO2022056681A1 publication Critical patent/WO2022056681A1/fr

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Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • 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

  • the utility model relates to the technical field of RFID, in particular to an anti-metal miniature radio frequency sensor.
  • Electronic tag namely RFID tag
  • RFID tag is a non-contact automatic identification sensor, which uses radio frequency signal to identify the relevant data of the target object, and the identification work does not require manual intervention. It has a wide range of applications in today's rapid development of information technology.
  • One of the application methods is for anti-counterfeiting. Brands can customize RFID tags with brand logos and specific signals, and identify the authenticity of products through RFID tags, so as to achieve the purpose of anti-counterfeiting.
  • the field of radio frequency technology needs a small-sized, simple and low-cost anti-metal radio frequency tag that can be installed on metal objects and metal packaging, which can be used for watches, jewelry, metal products, metal bottle caps, and aluminum foil packaging cigarettes. , aluminum foil packaging drugs, etc. to provide anti-counterfeiting traceability.
  • the utility model provides an anti-metal miniature radio frequency sensor.
  • An anti-metal miniature radio frequency sensor includes a radio frequency chip, an antenna layer and an isolation layer from the outside to the inside, the radio frequency chip is fixed on the surface of the antenna layer, and the isolation layer is arranged between the antenna layer and the attachment,
  • the antenna layer includes an inner loop antenna and an outer loop antenna, the inner loop antenna and the outer loop antenna are connected in series through a connecting wire, and the radio frequency chip is arranged above the connecting wire.
  • an antenna base layer is arranged between the antenna layer and the isolation layer, and the antenna base layer includes a PET base film layer, the inner loop antenna, the outer loop antenna and the The connecting line is arranged on the surface of the antenna base layer.
  • the antenna base layer includes a PET base film layer, and the inner loop antenna, the outer loop antenna and the connecting wire are disposed on the surface of the PET base film layer.
  • the antenna base layer is provided with anti-reveal nicks, and the anti-reveal nicks penetrate the antenna base layer.
  • the width of the anti-reveal score is 0.1 mm, and the depth is less than 0.1 mm.
  • the anti-reveal nicks are distributed in the shape of fracture lines.
  • the number of the anti-reveal nicks is two, and the anti-reveal nicks are distributed in a cross shape.
  • the isolation layer is a fragile resin layer.
  • the thickness of the isolation layer is greater than or equal to 0.6 mm.
  • the anti-metal miniature radio frequency sensor is provided with a central through hole.
  • one end of the connecting wire is connected to the terminal of the inner loop antenna, and the other end is connected to the starting end of the outer loop antenna.
  • the anti-metal miniature radio frequency sensor is pasted and connected to the attachment through resin glue.
  • the resin glue coats the anti-metal miniature radio frequency sensor.
  • the connecting line between the starting end of the inner loop antenna and the terminal end of the outer loop antenna is perpendicular to the connecting line.
  • the beneficial effect is that the utility model is designed to set an isolation layer between the antenna layer and the attachment, and increase the distance between the radio frequency sensor and the metal through the isolation layer.
  • the antenna layer adopts a loop antenna, and The inner diameter of the outer loop antenna is less than 5 mm, which achieves the effect of small antenna area and low energy required for signal transmission, so that the antenna layer can be provided with an isolation layer to reduce the influence caused by metal, so as to achieve the effect of resisting the influence of metal, and simplify the
  • the production process reduces costs, and can be attached to any metal object or metal package with a tiny volume to realize the function of identifying anti-counterfeiting traceability.
  • the utility model relies on glue to be fixed on the metal object or metal package, when it is separated from the attachment, the external force makes it break along the anti-reveal notch, destroys the integrity of the radio frequency sensor, and makes it lose the radio frequency function.
  • the utility model cannot be used twice and meets the anti-counterfeiting needs.
  • FIG. 1 is a schematic structural diagram 1 of the present utility model.
  • FIG. 2 is a second structural schematic diagram of the utility model.
  • FIG. 3 is a schematic structural diagram of the utility model installed on the surface of a metal object.
  • FIG. 4 is a schematic structural diagram of the utility model installed at the joint of the metal bottle cap and the bottle body.
  • FIG. 5 is a schematic structural diagram of the utility model installed on the inner surface layer of the boxed cigarette cigarette label paper.
  • Figure 6 is a schematic structural diagram of the utility model being installed on the front of the boxed cigarette cigarette label paper.
  • FIG. 7 is a schematic structural diagram of the utility model embedded in the inside of the handle of the watch.
  • FIG. 8 is a schematic diagram of the structure of the utility model embedded in the interior of the metal LOGO.
  • FIG. 9 is a partial enlarged view of FIG. 8 .
  • FIG. 10 is a schematic structural diagram of the utility model installed on the aluminum foil package of medicines.
  • Fig. 11 is a partial structural schematic diagram of the utility model installed on the aluminum foil packaging of medicines.
  • Anti-metal micro RF sensor 11. RF chip; 12. Antenna layer; 13. Isolation layer; 14. Center through hole; 15. Antenna base layer;
  • Watch handle 71. Watch handle assembly; 72. Watch handle decoration;
  • Tablet blister board aluminum foil board 91. Gap; 92. High viscosity tape; 93. Blister board PE base layer; 94. Blister board aluminum foil layer.
  • An anti-metal miniature radio frequency sensor as shown in Figures 1 and 2, includes a radio frequency chip 11, an antenna layer 12 and an isolation layer 13 from the outside to the inside.
  • the radio frequency chip 11 is fixed on the surface of the antenna layer 12, and the isolation layer 13 is arranged on the antenna.
  • the antenna layer 12 includes an inner loop antenna and an outer loop antenna, the inner loop antenna and the outer loop antenna are connected by a connecting wire, and the radio frequency chip 11 is arranged above the connecting wire.
  • the utility model designs an isolation layer 13 between the antenna layer 12 and the attachment, and increases the distance between the radio frequency sensor and the metal through the isolation layer 13. Since the antenna layer 12 adopts an inner and outer loop series antenna, and the inner diameter of the outer loop antenna is less than 5 mm , to achieve the effect that the antenna area is small and the energy required to transmit the signal is very low, so that the antenna layer 12 can greatly reduce the influence caused by the metal by setting the isolation layer 13, so as to achieve the effect of resisting the influence of the metal, and at the same time simplify the manufacturing process, Reduce cost, can be attached to any metal object or metal package with a tiny volume.
  • the antenna base layer 15 is provided with an anti-reveal score 16, and the anti-reveal score 16 is engraved on the antenna base layer 15 by laser, and the anti-reveal score 16 penetrates the antenna base layer 15, preventing The peeling marks 16 are distributed in a discontinuous line to ensure that the aluminum foil antenna is not completely cut off.
  • the two anti-reveal notches 16 are perpendicular to each other and intersect in a cross shape.
  • the isolation layer 13 is a fragile resin layer.
  • the isolation layer 13 is damaged, along with the tear-proof notches 16, and at the same time, the antenna layer 12 is damaged, and the radio frequency sensor becomes invalid, preventing the utility model as an anti-counterfeiting mark. Reuse ensures that the utility model is a disposable product, so as to play an anti-counterfeiting effect.
  • the energy required for receiving and transmitting microwave signals is extremely low, and the range of the radio frequency field is extremely small, so as long as the distance between the antenna layer 12 and the metal is kept within the range of 0.6 mm, the metal to The performance impact of the RF sensor can be reduced to less than 30%.
  • the RF sensor ensures that the distance between the antenna layer 12 and the metal object 3 is greater than 0.6 mm by adding an isolation layer 13, so that the micro RF sensor installed on the metal surface is less affected by the metal, ensuring that it can still have normal read and write functions.
  • the thickness of the radio frequency chip 11 is less than 0.12 mm.
  • the thickness of the antenna layer 12 is 0.015 mm.
  • the antenna base layer 15 has a diameter of 4-6 mm and a thickness of 0.05 mm.
  • the isolation layer 13 has a diameter of 4-6 mm and a thickness of 0.6 mm.
  • the diameter of the central through hole 14 is 1.5-2 mm.
  • the tamper-evident score 16 is 0.1 mm wide and less than 0.1 mm deep.
  • the metal-resistant miniature RF sensor 1 has a total thickness of 0.785 mm. In this case, the anti-metal miniature radio frequency sensor 1 has a maximum diameter of less than 6 mm, a small area, and extremely low energy required for radio frequency signal transmission.
  • the reading distance is about 15 mm. If the thickness of the isolation layer 13 is greater than 0.6 mm, the reading distance can be close to 10 mm, which satisfies the purpose of radio frequency identification and signal traceability. Therefore, in this embodiment, the thickness of the isolation layer 13 is greater than 0.6 mm.
  • the miniature radio frequency sensor is a radio frequency source
  • the metal object 3 or anodized aluminum bronzing film can become the coupling antenna of the radio frequency sensor, which greatly increases the reading of the radio frequency sensor.
  • Write distance If the metal object 3 is of some specific shape, the identification distance of the micro radio frequency sensor can reach more than 4 meters, and it becomes a radio frequency tag for medium distance identification.
  • the metal-resistant miniature radio frequency sensor 1 is provided with a central through hole 14 , as shown in FIG. 3 .
  • the anti-metal miniature radio frequency sensor 1 is pasted and connected to the attachment through the resin glue 2, and the resin glue 2 coats the anti-metal miniature radio frequency sensor 1 and is poured into the central through hole 14 to bond with the attachment.
  • the utility model is installed on the surface of a metal object 3, such as a watch dial surface or a watch pointer for anti-counterfeiting of a watch, or installed on a metal package, such as the surface of an iron box, Aluminum alloy surface, aluminum foil sealing pad, metal metal bottle cap 4, etc., are used for product anti-counterfeiting, identification and positioning and information traceability.
  • a metal object 3 such as a watch dial surface or a watch pointer for anti-counterfeiting of a watch
  • a metal package such as the surface of an iron box, Aluminum alloy surface, aluminum foil sealing pad, metal metal bottle cap 4, etc.
  • the anti-metal miniature radio frequency sensor 1 is pasted to the surface of the metal object 3 through the resin glue 2, and the resin glue 2 penetrates into and fills the central through hole 14, and coats the anti-metal miniature radio frequency sensor 1 to fix it on the metal object 3 surfaces.
  • the diameter of the anti-metal miniature radio frequency sensor 1 is 4-6 mm, and the body is very small. After it is attached to the surface of the metal object 3 through the resin glue 2, when the external force peels it off from the surface of the metal object 3, the isolation layer 13 is broken. , the radio frequency chip 11 is separated from the antenna layer 12 with the resin glue 2 , causing the anti-metal micro radio frequency sensor 1 to lose the radio frequency performance, thereby ensuring that it cannot be used twice.
  • the utility model is installed at the joint of the metal bottle cap 4 and the bottle body 5 , such as anti-counterfeiting of bottled wine, medicine and cosmetics made of metal, ceramic, plastic and other materials.
  • the resin glue 2 is applied to the joint of the metal bottle cap 4 and the bottle body 5 , and then the anti-metal micro radio frequency sensor 1 is placed on the surface of the resin glue 2 to be fixed, and then the anti-metal micro radio frequency sensor 1 is placed on the surface of the Add a little resin glue 2 to combine with the resin glue 2 at the bottom, so as to fix the anti-metal miniature radio frequency sensor 1 on the joint of the metal bottle cap 4 and the bottle body 5 .
  • the colloid will be damaged, which will cause the anti-metal micro RF sensor 1 to break and lose its RF performance, thereby ensuring that it cannot be used twice.
  • the present invention is installed on the packaging of the boxed cigarettes 6 with aluminum foil wrapping paper, which can resist the influence of the aluminum foil packaging on the radio frequency function, and provide anti-counterfeiting for the boxed cigarettes 6 and information traceability.
  • the anti-metal miniature radio frequency sensor 1 is pasted on the inner surface layer of the cigarette label paper 61 of the boxed cigarette through the resin glue 2, and is hidden in the package to provide the boxed cigarette 6 with RFID anti-counterfeiting function.
  • the anti-metal miniature radio frequency sensor 1 is pasted on the front of the boxed cigarette cigarette label 61 through resin glue 2, and it can be visually judged whether the radio frequency chip 11 is included as an anti-counterfeiting operation, and can also provide radio frequency identification anti-counterfeiting effect.
  • the anti-metal miniature radio frequency sensor 1 is pasted on any position of the boxed cigarette 6 through the resin glue 2 to provide radio frequency identification and anti-counterfeiting.
  • the utility model is installed on the package of the cigarettes in the strip, which can resist the influence of the laser film on the radio frequency function, and provide anti-counterfeiting and information traceability functions for the cigarettes in the strip.
  • the anti-metal miniature radio frequency sensor 1 is pasted on the seal of the box with aluminum foil paper material or laser film material through resin glue 2. When the box is opened, the anti-metal miniature radio frequency sensor 1 is damaged to ensure that it cannot be reused.
  • the anti-metal micro-RF sensor 1 is pasted on the outer packaging film of the box through the resin glue 2. When the box is opened, the outer packaging film is ruptured. At this time, if the anti-metal micro-RF sensor 1 is removed from the outer packaging film, the , the external force will destroy the integrity of the miniature radio frequency sensor, making it lose its radio frequency performance and ensure that it cannot be used twice.
  • the present invention is embedded in a metal object 3, such as a watch handle 7, as shown in Figures 7 and 8, making it a watch handle 7 with radio frequency function.
  • the diameter of the watch handle 7 is 6 mm
  • the diameter of the anti-metal micro RF sensor 1 is 4 mm
  • the thickness is 0.78 mm.
  • the anti-metal miniature radio frequency sensor 1 is arranged between the watch handle head assembly 71 and the watch handle head decoration 72. If an external force separates the anti-metal miniature radio frequency sensor 1 from the watch handle head 7, the isolation layer 13 is broken, and the antenna base layer 15 is driven along the anti-metallic micro-radio frequency sensor 1.
  • the notch 16 is cracked, so that the antenna layer 12 is disconnected, and the anti-metal miniature radio frequency sensor 1 becomes invalid, ensuring that it cannot be used twice.
  • the present invention is embedded in a metal object 3 , such as a metal LOGO 8 , as shown in FIG. 9 .
  • a pit is provided on the body of the metal LOGO 8 , and resin glue 2 is arranged at the bottom of the pit, and the anti-metal micro-RF sensor 1 is fixed inside the pit 81 on the metal LOGO through the resin glue 2 .
  • the pit 81 on the metal LOGO is 4-6 mm in diameter and 0.8 mm in depth, and the thickness of the resin glue 2 is 0.1 mm.
  • the embedded design makes the anti-metal miniature radio frequency sensor 1 not reusable. Therefore, the brand-customized anti-metal miniature radio frequency sensor 1 plays an anti-counterfeiting role. At the same time, the anti-metal radio frequency sensor on the metal LOGO3 can also strengthen the LOGO brand effect.
  • the embedded anti-metal micro RF sensor1 is suitable for all metal objects3, such as firearms, medical devices, zipper pullers, jewelry, metal tools, metal accessories, etc., providing identification and positioning functions for metal objects, for anti-counterfeiting and information traceability.
  • the present invention is installed on the aluminum foil packaging of medicines, as shown in Fig. 10 and Fig. 11 , to provide the function of anti-counterfeiting and traceability for the packaging of medicine tablets.
  • the tablet blister sheet aluminum foil sheet 9 includes a blister sheet PE base layer 93 and a blister sheet aluminum foil layer 94 .
  • a gap 91 with a width of 6 mm and a length of 6 mm is punched or ground at the middle edge of the aluminum foil plate 9 of the tablet cover blister, and the anti-metal micro RF sensor 1 is embedded in the gap 91, and a layer of high viscosity is pasted on it.
  • the adhesive tape 92 ensures that the anti-metal miniature radio frequency sensor 1 is set in the middle position of the gap 91 .
  • the anti-metal miniature radio frequency sensor 1 can generate radio frequency coupling when it is close to the metal, the aluminum foil layer 94 of the blister aluminum foil becomes an additional coupling antenna, which greatly enhances the identification efficiency of the anti-metal miniature radio frequency sensor 1, and its reading distance is reduced from 15 mm Can be increased to 450 mm.
  • the anti-metal miniature radio frequency sensor 1 is arranged on the long side of the medicine-covered aluminum foil plate, so as to further improve the reading distance of the anti-metal miniature radio frequency sensor 1 .

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Details Of Aerials (AREA)

Abstract

La présente invention concerne un micro-capteur radiofréquence anti-métal, comprenant une puce radiofréquence, une couche d'antenne et une couche isolante de l'extérieur vers l'intérieur. La puce radiofréquence est fixée sur la surface de la couche d'antenne ; la couche d'isolation est disposée entre la couche d'antenne et une substance fixée ; la couche d'antenne comprend une antenne cadre interne et une antenne cadre externe ; l'antenne cadre interne et l'antenne cadre externe sont connectées au moyen d'un fil de connexion ; et la puce radiofréquence est disposée au-dessus du fil de connexion. Selon la conception de la présente demande, la couche d'isolation est disposée entre la couche d'antenne et la substance fixée, et la distance entre le capteur radiofréquence et un métal est augmentée au moyen de la couche d'isolation ; la couche d'antenne utilise des antennes cadre, et le diamètre interne de l'antenne cadre externe est inférieur à 5 mm, de telle sorte que les effets d'une petite zone d'antenne et d'une faible énergie requise pour la transmission de signal sont obtenus, et ainsi, la couche d'antenne réduit, en fournissant la couche d'isolation, l'influence provoquée par le métal, de manière à obtenir l'effet de protection contre une influence métallique ; de plus, un procédé de fabrication est simplifié, le coût est réduit, et la couche d'antenne ayant une petite taille peut être fixée sur n'importe quel objet métallique ou boîtier métallique.
PCT/CN2020/115364 2020-09-15 2020-09-15 Micro-capteur radiofréquence anti-métal WO2022056681A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/CN2020/115364 WO2022056681A1 (fr) 2020-09-15 2020-09-15 Micro-capteur radiofréquence anti-métal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/115364 WO2022056681A1 (fr) 2020-09-15 2020-09-15 Micro-capteur radiofréquence anti-métal

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WO2022056681A1 true WO2022056681A1 (fr) 2022-03-24

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070296555A1 (en) * 2006-06-15 2007-12-27 Masayoshi Kanno Radio frequency identification tag and commodity
CN103646273A (zh) * 2013-12-03 2014-03-19 北京中电华大电子设计有限责任公司 一种微型防拆电子标签
JP2014134997A (ja) * 2013-01-11 2014-07-24 Nippon Package System Kk フィルムアンテナとその製造方法並びにｒｆｉｄラベル
CN205721917U (zh) * 2016-05-09 2016-11-23 厦门英诺尔信息科技有限公司 一种微型rfid抗金属电子标签
CN109816080A (zh) * 2017-11-22 2019-05-28 刘义荣 一种防破损rfid电子标签
CN209766617U (zh) * 2019-06-04 2019-12-10 深圳市骄冠科技实业有限公司 一种天线与芯片平面交叉的射频谐振腔总成

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070296555A1 (en) * 2006-06-15 2007-12-27 Masayoshi Kanno Radio frequency identification tag and commodity
JP2014134997A (ja) * 2013-01-11 2014-07-24 Nippon Package System Kk フィルムアンテナとその製造方法並びにｒｆｉｄラベル
CN103646273A (zh) * 2013-12-03 2014-03-19 北京中电华大电子设计有限责任公司 一种微型防拆电子标签
CN205721917U (zh) * 2016-05-09 2016-11-23 厦门英诺尔信息科技有限公司 一种微型rfid抗金属电子标签
CN109816080A (zh) * 2017-11-22 2019-05-28 刘义荣 一种防破损rfid电子标签
CN209766617U (zh) * 2019-06-04 2019-12-10 深圳市骄冠科技实业有限公司 一种天线与芯片平面交叉的射频谐振腔总成

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