WO2014203835A1 - Antenne - Google Patents

Antenne Download PDF

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Publication number
WO2014203835A1
WO2014203835A1 PCT/JP2014/065821 JP2014065821W WO2014203835A1 WO 2014203835 A1 WO2014203835 A1 WO 2014203835A1 JP 2014065821 W JP2014065821 W JP 2014065821W WO 2014203835 A1 WO2014203835 A1 WO 2014203835A1
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WIPO (PCT)
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portions
straight
extension
conductive film
antenna
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PCT/JP2014/065821
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English (en)
Japanese (ja)
Inventor
由 村野
英史 藤田
伊東　大輔
紺野　慎一
Original Assignee
Ｄｏｗａエレクトロニクス株式会社
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Publication of WO2014203835A1 publication Critical patent/WO2014203835A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/20—Two collinear substantially straight active elements; Substantially straight single active elements
    • H01Q9/24—Shunt feed arrangements to single active elements, e.g. for delta matching

Definitions

  • the present invention relates to an antenna, and more particularly to an antenna used for an RFID tag or the like.
  • the RFID tag is a tag using RFID (Radio Frequency IDentification (individual identification technology by wireless communication)), and is a thin type equipped with a semiconductor chip for storing data such as an identification number and an antenna for transmitting and receiving radio waves. It is a lightweight small electronic device.
  • RFID Radio Frequency IDentification
  • Such an RFID tag is expected to be widely used in various usage environments in various fields such as physical distribution management, and it is desired to reduce the manufacturing cost by mass production and spread it.
  • the RFID tag antenna needs to have low electrical resistance in order to increase the data transmission / reception possible distance (communication distance) and reduce data loss during transmission / reception.
  • RFID tags should be used in various logistics management fields (eg, tracking of transport containers, traceability, location information management, and clothing management by clothing washers like laundry tags).
  • the RFID tag antenna circuit can be formed by using a coil or wire of copper wire as an antenna, a method of transferring a metal foil such as copper foil or aluminum foil onto a substrate, or a substrate such as a plastic film. For example, there is a method of etching the metal foil after masking the metal foil laminated on the material with an etching resistant ink by printing an antenna circuit pattern.
  • these methods are limited in productivity and are not suitable for mass production, so that it is difficult to further reduce manufacturing costs.
  • the metal foil is manufactured by rolling or the like, but the ratio of the metal in the metal foil is almost 100%. Since the value is high, the RFID tag in which the antenna circuit is formed of the metal foil has a problem that the electrical property is good but the flexibility is poor.
  • a metal foil having a film thickness of about 10 to 50 ⁇ m is generally used. However, if the metal foil is too thick, the properties of the metal plate are approximated. There is a possibility that the metal foil peels off from the base material when the RFID tag is bent.
  • the ratio of the metal in the metal foil is high, stress is concentrated on the bent surface when the RFID tag is bent, and cracks are likely to occur on the bent surface, resulting in deterioration of electrical characteristics and disconnection, It will not function as an RFID tag antenna.
  • using a conductive film composed of a metal component and a resin component to reduce the metal ratio generally improves the flexibility by stress relaxation.
  • the amount of the metal component is reduced, the electrical resistance is deteriorated and the characteristics sufficient for the RFID tag antenna are not satisfied.
  • a water-based conductive ink containing 40% by mass or less of silver particles is formed into a film by flexographic printing.
  • a conductive film having a thickness of 0.1 to 0.5 ⁇ m is formed on the surface of the film-like base material to manufacture an antenna for an IC tag which is a kind of RFID tag.
  • a method has been proposed (see, for example, JP 2010-268073 A). However, this method can reduce the manufacturing cost by mass-producing IC tag antennas having low electrical resistance, but it is desired to further extend the communication distance because the communication distance is short.
  • an object of the present invention is to provide a small antenna having a longer communication distance per unit area of a silver conductive film than a conventional antenna used for an RFID tag or the like. .
  • the present inventors have found that in an antenna in which a linearly extending silver conductive film is formed on a substrate, the silver conductive film is looped so as to surround a substantially rectangular planar shape. A pair of loop portions having substantially the same line width and substantially the same line width in opposite directions from both ends of one straight portion of the four straight portions extending substantially linearly of the loop portion.
  • the antenna according to the present invention is a loop in which a silver conductive film extending on a substrate is formed on a substrate, and the silver conductive film extends in a loop shape with substantially the same line width so as to surround a substantially rectangular planar shape. And a pair of extensions extending from each of the ends of one of the four straight portions of the loop portion in a substantially straight line shape with substantially the same line width in opposite directions. To do.
  • the pair of extension portions are preferably arranged symmetrically with respect to a straight line extending substantially perpendicularly from the substantially central portion of the one straight portion to the one straight portion. It is preferable that each of the end portions of each has substantially the same line width as the other portions of the extension portion. Moreover, it is preferable that each of a pair of extension part consists of a parallel part extended substantially parallel with respect to said one linear part, and a perpendicular part extended substantially perpendicular
  • each of a pair of extension part may extend in the shape of a curve, meandering from said one linear part.
  • each of the pair of extension portions meander between the extension line of the one straight portion of the four straight portions and the extension line of the straight portion parallel to the straight portion. . Further, each of the pair of extension portions is directed from one to the other and one to the other of the extension line of the one straight portion of the four straight portions and the extension line of the straight portion parallel to the straight portion. Each part preferably has a part extending so as to approach the loop part. Further, each of the pair of extension portions is in the vicinity of the extension line of the one straight portion of the four straight portions, and the extension line of the straight portion parallel to the one straight portion of the four straight portions. In the vicinity, it is preferable to have a portion extending in a substantially semicircular shape.
  • the area of the silver conductive film is 135 to 265 mm 2 and the line width of the silver conductive film is preferably 1.0 mm or less, and the thickness of the silver conductive film is preferably 1 to 10 ⁇ m. Further, the silver conductive film preferably contains a sintered body of silver particles. ADVANTAGE OF THE INVENTION According to this invention, compared with the conventional antenna used for an RFID tag etc., the small antenna with a long communication distance per unit area of a silver electrically conductive film can be provided.
  • FIG. FIG. 1 is a diagram for explaining the shape of an embodiment of an antenna according to the present invention.
  • FIG. FIG. 2 is a diagram illustrating the shape of a modification of the embodiment of the antenna according to the present invention.
  • FIG. FIG. 3 is a diagram illustrating the shape of another modification of the embodiment of the antenna according to the present invention.
  • FIG. 4 is a diagram illustrating the shape of another modification of the embodiment of the antenna according to the present invention.
  • FIG. 5 is shown in FIG. 1 to FIG. It is a figure which expands and shows the IC chip mounting part of 4 antennas.
  • an antenna according to an embodiment of the present invention includes a silver conductive film in an antenna in which a silver conductive film (silver conductive film including a sintered body of silver particles) 10 extending linearly is formed on a substrate.
  • 10 is a loop portion 10a extending in a loop shape with substantially the same line width so as to surround a substantially rectangular planar shape, and both ends of one linear portion of four linear portions extending in a substantially linear shape of the loop portion 10a.
  • a pair of extension portions 10b extending in opposite directions from each other with substantially the same line width.
  • each of the pair of extending portions 10b includes a plurality of parallel portions 10c extending substantially parallel to the one straight portion, and a plurality of vertical portions extending substantially perpendicular to the parallel portions 10c. It is preferable to have a shape in which one of these parallel portions 10c is connected to the one straight portion, and the parallel portions 10c and the vertical portions 10d are alternately and continuously formed.
  • the lengths of the plurality of parallel portions 10c of the extension portions 10b of the pair of extension portions 10b are preferably substantially the same length.
  • the length of the vertical portion 10d of each extension portion 10b of the pair of extension portions 10b is the length of the straight portion extending substantially perpendicular to the one straight portion of the four straight portions of the loop portion 10a.
  • the length of the vertical portion 10d of each extension portion 10b of the pair of extension portions 10b is longer than the straight portion extending substantially perpendicular to the one straight portion of the four straight portions of the loop portion 10a. May be.
  • FIG. As shown in FIG.
  • each of the pair of extending portions 10b may have a shape extending in a curved shape while meandering from the one straight portion.
  • Each of the pair of extension portions 10b preferably meanders between the extension line of the one straight portion of the four straight portions and the extension line of the straight portion parallel to the straight portion. Further, each of the pair of extension portions 10b extends from one of the four straight portions to the other and one from the other of the straight portions parallel to the straight portion. It is preferable to have a portion extending so as to approach the loop portion 10a in each of the facing portions.
  • each of the pair of extension portions 10b is in the vicinity of the extension line of the above-described one straight portion of the four straight portions, and in the vicinity of the extension line of the straight portion parallel to one of the four straight portions. In this case, it is preferable to have a portion extending in a substantially semicircular shape.
  • FIG. 1 to FIG. 5, reference numeral 12 indicates an IC chip mounting portion to which a semiconductor chip such as an RFID tag chip is attached.
  • the area of the silver conductive film is 135 to 265 mm 2 and the line width of the silver conductive film (the loop part and the extension part thereof) is 1.0 mm or less.
  • the thickness of the silver conductive film is preferably 1 to 10 ⁇ m. The thinner the silver conductive film, the more advantageous in terms of cost. However, when it is less than 1 ⁇ m, when used as an RFID tag antenna, the electrical resistance in the UHF band increases due to the skin effect and the communication distance becomes shorter. .
  • the embodiment of the antenna according to the present invention is such that the above silver conductive film is formed on a substrate by applying a silver particle dispersion liquid containing 50 to 80% by mass of silver particles to the substrate and then baking it. Can be manufactured.
  • the silver particle content in the silver particle dispersion is less than 50% by mass, it becomes difficult to form the silver conductive film on the substrate, and the amount of the sintered body of silver particles in the silver conductive film is too small.
  • the electrical conductivity is deteriorated and the electric resistance is increased and the amount exceeds 80% by mass, the viscosity of the silver particle dispersion becomes high, and it becomes difficult to apply by flexographic printing or the like.
  • the silver particle dispersion is preferably applied to the substrate by flexographic printing, and the flexographic printing may be repeated a plurality of times.
  • the average particle diameter of the silver particles is preferably 20 nm or less, and preferably 5 to 15 nm.
  • the average particle size of the silver particles is about several nanometers to several tens of nanometers, the specific surface area increases and the melting point decreases dramatically, so that the silver particles are sintered even when fired at a low temperature of 300 ° C. or lower. (That is, the low-temperature sinterability of the silver nanoparticles can be obtained).
  • the average particle diameter of silver particles refers to an average primary particle diameter that is an average value of primary particle diameters obtained by transmission electron micrographs (TEM images) of silver particles.
  • the average particle size (average primary particle size) of the silver particles is, for example, 60% by mass Ag particles (silver particles having an average particle size of 10 nm), 3.0% by mass vinyl chloride copolymer latex, and 2.0% by mass polyurethane.
  • the primary particle average diameter of the silver particles can be calculated using, for example, image analysis software (A Image-kun (registered trademark) manufactured by Asahi Kasei Engineering Co., Ltd.). This image analysis software discriminates and analyzes individual particles based on color shading. For example, for a 300,000-fold TEM image, the “particle brightness” is “dark” and “noise removal filter”. Is “Yes”, “Circular threshold” is “20”, and “Overlapping degree” is “50”, and circular particle analysis is performed to measure the primary particle diameter of 200 or more particles. An average diameter can be calculated
  • image analysis software A Image-kun (registered trademark) manufactured by Asahi Kasei Engineering Co., Ltd.
  • Examples 1-12, Comparative Examples 1-12 First, 60% by mass of Ag particles (silver particles having a primary particle size of 15 nm and a secondary particle size of 340 nm), 3.0% by mass of vinyl chloride copolymer latex, 2.0% by mass of polyurethane thickener, 2.5 Ag ink (PFI-700 type manufactured by P-Chem Associates, Inc.) containing mass% propylene glycol was prepared.
  • Ag particles silver particles having a primary particle size of 15 nm and a secondary particle size of 340 nm
  • vinyl chloride copolymer latex 3.0% by mass of vinyl chloride copolymer latex
  • 2.0% by mass of polyurethane thickener 2.0% by mass of polyurethane thickener
  • 2.5 Ag ink PFI-700 type manufactured by P-Chem Associates, Inc.
  • FIG. 1 On a substrate made of PET (polyethylene terephthalate) film (Cosmo Shine A4300 manufactured by Toyobo Co., Ltd.), FIG. 1 to form an antenna-shaped film as shown in FIG. 1 (95 mm width ⁇ 8.2 mm length, loop portion line width of 1.0 mm, extension portion line width of 0.8 mm).
  • PET polyethylene terephthalate
  • the Ag ink After printing the Ag ink, it is fired at an IR output of 10% by a hot air furnace (set temperature: 140 ° C.) and an IR heating furnace (IR lamp: 1.95 kW ⁇ 10) installed in the printing path.
  • An RFID antenna made of a 6 ⁇ m silver conductive film was produced.
  • the film thickness of a silver electrically conductive film uses the laser microscope (model VK-9700 by Keyence Corporation), and the height difference between the surface of the base material in which the silver electrically conductive film was formed, and the surface of a silver electrically conductive film. It was determined by measuring 100 locations and calculating the average value.
  • the number of vertical portions of each extension extending from the loop portion (for example, in the antenna shape shown in FIG. 1, the number of vertical portions of each extension extending from the loop portion is 7), the area of the silver conductive film formed on the substrate, and the area ratio of the silver conductive film with respect to the silver conductive film formation region (rectangular portion of 95 mm wide ⁇ 8.2 mm long) on the substrate, respectively.
  • the number, area and area ratio shown in Fig. 1 were used (Table 1 also shows the amount of silver in the silver conductive film).
  • the line width and area of the silver conductive film were measured with an appearance inspection machine (NC-FLX manufactured by Navitas Vision Solution).
  • an anisotropic conductive adhesive (ACP) (TAP0604C (Au / Ni coated polymer particles) manufactured by Kyocera Chemical Co., Ltd.) is thinly applied to the IC chip mounting portion of the RFID antenna thus manufactured, and the IC chip is formed on the ACP. (Monza 3 manufactured by Impinj) was placed, and then a pressure of 1.0 N was applied at a temperature of 160 ° C. for 10 seconds with a thermocompression bonding apparatus (TTS300 manufactured by Mühlbauer) to fix the IC chip to the RFID antenna. Then, the IC chip was mounted on the RFID antenna.
  • ACP anisotropic conductive adhesive
  • the RFID tag chip mounted antenna thus produced is used in a frequency range (ISO / IEC) of 800 MHz to 1100 MHz using a communication distance measuring device (tagformance manufactured by Voiantic) in an anechoic box (MY1530 manufactured by Micronics).
  • the communication distance (based on 18000-6C standard) was measured. Prior to this measurement, the environment was set under these conditions (setting using a reference tag attached to tagformance). Table 1 shows the measured communication distance and the communication distance per unit area of the silver conductive film.
  • Examples 13-21, Comparative Examples 13-24 An RFID antenna made of a silver conductive film having a thickness of 1.6 ⁇ m was produced in the same manner as in Example 1 except that the line width of the extension portion was 1.0 mm, and an RFID tag chip mounted antenna was produced.
  • the number of vertical portions of each extension extending from the loop portion, the area of the silver conductive film formed on the base material, and the silver conductive film formation region on the base material The area ratio of the silver conductive film was the number, area, and area ratio shown in Table 2, respectively (Table 2 also shows the amount of silver in the silver conductive film).
  • Table 2 shows the communication distance and the communication distance per unit area of the silver conductive film measured by the same method as in Example 1 for the RFID tag chip mounted antenna thus manufactured. Comparative Examples 25-43 An RFID antenna made of a silver conductive film having a thickness of 1.6 ⁇ m was produced in the same manner as in Example 1 except that the line width of the extended portion was 1.2 mm, and an RFID tag chip mounted antenna was produced.
  • the number of vertical portions of each extension extending from the loop portion, the area of the silver conductive film formed on the base material, and the silver conductive film formation region on the base material was defined as the number, area, and area ratio shown in Table 3, respectively (Table 3 also shows the amount of silver in the silver conductive film).
  • Table 3 shows the communication distance and the communication distance per unit area of the silver conductive film, measured by the same method as in Example 1, for the RFID tag chip mounted antenna thus manufactured.
  • Comparative Examples 44-60 An RFID antenna made of a silver conductive film having a thickness of 1.6 ⁇ m was produced in the same manner as in Example 1 except that the line width of the extension portion was 1.4 mm, and an RFID tag chip mounted antenna was produced.
  • the number of vertical portions of each extension extending from the loop portion, the area of the silver conductive film formed on the base material, and the silver conductive film formation region on the base material The area ratio of the silver conductive film was defined as the number, area, and area ratio shown in Table 4, respectively (Table 4 also shows the amount of silver in the silver conductive film).
  • Table 4 shows the communication distance and the communication distance per unit area of the silver conductive film, measured by the same method as in Example 1, for the RFID tag chip mounted antenna thus manufactured. Comparative Examples 61-76 An RFID antenna made of a silver conductive film having a thickness of 1.6 ⁇ m was produced in the same manner as in Example 1 except that the line width of the extension portion was 1.6 mm, and an RFID tag chip mounted antenna was produced.
  • the number of vertical portions of each extension extending from the loop portion, the area of the silver conductive film formed on the base material, and the silver conductive film formation region on the base material The area ratio of the silver conductive film was defined as the number, area, and area ratio shown in Table 5, respectively (Table 5 also shows the amount of silver in the silver conductive film).
  • Table 5 shows the communication distance and the communication distance per unit area of the silver conductive film measured by the same method as in Example 1 for the RFID tag chip mounted antenna thus manufactured.
  • the area of the silver conductive film is 135 to 265 mm 2 and the line width of the silver conductive film (loop portion and extension thereof) is 1.0 mm or less, It can be seen that the communication distance per unit area of the silver conductive film is as long as 0.026 m / mm 2 or more.
  • Comparative Example 77 Conventional antenna shape (95 mm wide ⁇ 8.2 mm long) (the area of the silver conductive film formed on the substrate is 399 mm 2 ) so that the line width of the silver conductive film is different (not shown) The area ratio of the silver conductive film with respect to the upper silver conductive film formation region (rectangular portion 70 mm wide ⁇ 14.5 mm long) was 52%, and the amount of silver in the silver conductive film was 1.47 mg). In the same manner as in Example 1, an RFID antenna made of a 1.6 ⁇ m-thick silver conductive film was produced, and an RFID tag chip mounted antenna was produced.
  • Example 22 A substrate made of coated paper (DF color M70 manufactured by Mitsubishi Paper Industries Co., Ltd.) was used, the anilox capacity was 13 cc / m 2, and FIG.
  • the shape of the antenna as shown in FIG. 2 width 70 mm ⁇ length 14.5 mm and line width 0.8 mm) (the number of vertical portions of each extension extending from the loop portion is six, formed on the substrate.
  • the area of the silver conductive film was 222 mm 2 , and the area ratio of the silver conductive film to the silver conductive film formation region on the substrate (rectangular portion of 70 mm wide ⁇ 14.5 mm long) was 22%, and the amount of silver in the silver conductive film was formed by a method similar to Example 1 except that an IC chip (Monza 4 manufactured by Impinj) was used, and an RFID antenna made of a silver conductive film having a thickness of 2.2 ⁇ m was produced. Then, an RFID tag chip mounted antenna was produced. With respect to the RFID tag chip mounted antenna thus produced, the communication distance was measured by the same method as in Example 1 and the communication distance per unit area of the silver conductive film was determined. The communication distance was 9.0 m.
  • Example 23 The number of curve portions corresponding to each extension portion extending from the loop portion of FIG. 1 to FIG. 3 (70 mm width ⁇ 14.5 mm length and line width 0.8 mm) as shown in FIG.
  • the area of the silver conductive film formed on the base material is 212 mm 2 , and the area ratio of the silver conductive film to the silver conductive film formation region on the base material (rectangular portion 70 mm wide ⁇ 14.5 mm long) is
  • An RFID antenna made of a silver conductive film having a thickness of 2.2 ⁇ m was produced in the same manner as in Example 22 except that a film having a thickness of 21% and a silver amount in the silver conductive film of 1.27 mg was formed.
  • a tag chip mounted antenna was fabricated. With respect to the RFID tag chip mounted antenna thus manufactured, the communication distance was measured by the same method as in Example 1 and the communication distance per unit area of the silver conductive film was determined. The communication distance was 8.4 m.
  • the communication distance per unit area of the silver conductive film was 0.040 m / mm 2 .
  • Comparative Example 78 Conventional antenna shape (70 mm wide ⁇ 14.5 mm long) (the area of the silver conductive film formed on the substrate is 578 mm 2 ) so that the line width of the silver conductive film is different (not shown)
  • the area ratio of the silver conductive film to the upper silver conductive film formation region was 57%, and the amount of silver in the silver conductive film was 3.47 mg).
  • an RFID antenna made of a silver conductive film having a thickness of 2.2 ⁇ m was produced, and an RFID tag chip mounted antenna was produced.
  • Example 24 A substrate made of coated paper (DF color M70 manufactured by Mitsubishi Paper Industries Co., Ltd.) was used, the anilox capacity was 13 cc / m 2, and FIG. 3. The shape of the antenna as shown in FIG.
  • the RFID antenna made of a silver conductive film having a thickness of 2.2 ⁇ m was produced in the same manner as in Example 1 except that the film (1) was formed, and an RFID tag chip mounted antenna was produced.
  • the communication distance was measured by the same method as in Example 1 and the communication distance per unit area of the silver conductive film was determined.
  • the communication distance was 6.9 m.
  • the communication distance per unit area of the silver conductive film was 0.029 m / mm 2 .
  • Comparative Example 79 Conventional antenna shape (50 mm wide x 30 mm long) (the area of the silver conductive film formed on the base material is 710 mm 2 ) so that the line width of the silver conductive film is different (not shown) Example 24, except that the area ratio of the silver conductive film to the silver conductive film formation region (rectangular portion of 50 mm wide ⁇ 30 mm long) was 47%, and the amount of silver in the silver conductive film was 4.26 mg.
  • an RFID antenna made of a silver conductive film having a thickness of 2.2 ⁇ m was produced, and an RFID tag chip mounted antenna was produced.
  • the communication distance was measured by the same method as in Example 1, and the communication distance per unit area of the silver conductive film was determined.
  • the communication distance was 4.5 m.
  • the communication distance per unit area of the silver conductive film was 0.006 m / mm 2 . From these results, in the antenna shapes of Examples 22 to 24, the communication distance per unit area of the silver conductive film is extremely long as compared with the conventional antenna shapes of Comparative Examples 78 and 79 having the same size. Recognize. If the antenna according to the present invention is used as an antenna for an RFID tag, an RFID tag having an antenna with a practical communication distance can be manufactured.

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Abstract

L'invention concerne une antenne dans laquelle un film électroconducteur en argent s'étendant linéairement (film électroconducteur en argent comprenant un corps fritté de particules d'argent) (10) est formé sur un substrat, le film électroconducteur en argent (10) comprenant : une partie boucle (10a) qui s'étend avec une largeur de ligne pratiquement constante en forme de boucle de façon à entourer une forme plane pratiquement rectangulaire ; et une paire de parties en saillie (10b), les parties en saillie s'étendant avec une largeur de ligne pratiquement constante dans des directions opposées par rapport aux extrémités respectives d'une des quatre parties en ligne droite de la partie boucle (10a) qui s'étendent en ligne droite. Chaque partie en saillie (10b) comprend une pluralité de parties parallèles (10c) qui s'étendent pratiquement parallèlement à ladite partie en lignes droites, et une pluralité de parties perpendiculaires (10d) qui s'étendent pratiquement perpendiculairement aux parties parallèles (10c), une des parties parallèles (10c) étant raccordée à ladite partie en ligne droite, et les parties parallèles (10c) et les parties perpendiculaires (10d) sont formées en continu de façon alternative.
PCT/JP2014/065821 2013-06-19 2014-06-09 Antenne WO2014203835A1 (fr)

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JP6252690B2 (ja) * 2014-12-16 2017-12-27 株式会社村田製作所 無線通信デバイスおよびこれを取り付けた物品
CN207752508U (zh) * 2015-07-27 2018-08-21 株式会社村田制作所 无线通信器件以及洗衣用rfid标签
JP6766649B2 (ja) 2015-08-20 2020-10-14 東レ株式会社 アンテナ基板の製造方法、配線と電極付きアンテナ基板の製造方法およびｒｆｉｄ素子の製造方法
DE112018000095T5 (de) * 2017-02-21 2019-05-09 Murata Manufacturing Co., Ltd. Rfid-etikett
JP7275532B2 (ja) * 2018-11-02 2023-05-18 大日本印刷株式会社 Ｒｆタグラベルおよびｒｆタグラベル付き物品

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