WO2013099546A1 - 非接触情報媒体、非接触情報媒体用ボビン部材、非接触情報媒体用本体部材、及び非接触情報媒体の製造方法 - Google Patents
非接触情報媒体、非接触情報媒体用ボビン部材、非接触情報媒体用本体部材、及び非接触情報媒体の製造方法 Download PDFInfo
- Publication number
- WO2013099546A1 WO2013099546A1 PCT/JP2012/081567 JP2012081567W WO2013099546A1 WO 2013099546 A1 WO2013099546 A1 WO 2013099546A1 JP 2012081567 W JP2012081567 W JP 2012081567W WO 2013099546 A1 WO2013099546 A1 WO 2013099546A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- information medium
- contact information
- bobbins
- main body
- bobbin
- Prior art date
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Classifications
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- 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
- G06K19/07773—Antenna details
- G06K19/07777—Antenna details the antenna being of the inductive type
- G06K19/07779—Antenna details the antenna being of the inductive type the inductive antenna being a coil
- G06K19/07781—Antenna details the antenna being of the inductive type the inductive antenna being a coil the coil being fabricated in a winding process
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- 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
- G06K19/047—Constructional details the record carrier being shaped as a coin or a gambling token
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- 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
- G06K19/0772—Physical layout of the record carrier
- G06K19/07724—Physical layout of the record carrier the record carrier being at least partially made by a molding process
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the groups H01L21/18 - H01L21/326 or H10D48/04 - H10D48/07 e.g. sealing of a cap to a base of a container
- H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
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- 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
- H01Q1/2225—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 used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the groups H01L21/18 - H01L21/326 or H10D48/04 - H10D48/07 e.g. sealing of a cap to a base of a container
- H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
- H01L21/565—Moulds
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Definitions
- the present invention relates to a non-contact information medium including an IC chip and a coil antenna, a bobbin member for a non-contact information medium for winding the coil antenna in the non-contact information medium, and non-contact information forming a part of a main body of the non-contact information medium.
- the present invention relates to a medium body member and a method for manufacturing a non-contact information medium.
- non-contact information media incorporating IC chips and antennas are widely used in various fields such as distribution, transportation, finance, entertainment, and amusement.
- a non-contact information medium formed in a coin shape is used as a token in transportation facilities, or is used instead of coins in an amusement facility (see, for example, Patent Documents 1 to 3).
- a non-contact information medium is used instead of a token or a coin, the face value can be confirmed and the authentication can be performed instantaneously by non-contact communication with the non-contact information medium.
- a coin-type non-contact information medium can be manufactured by, for example, disposing an IC chip and a coil antenna on a dish-shaped main body member that is a part of a coin shape, and covering these built-in objects by injection molding. .
- a coin main body is formed of a high specific gravity material as disclosed in, for example, Patent Documents 1 to 3.
- Patent Document 3 a metal having a predetermined specific gravity and specific resistance is provided so that the IC card does not interfere with communication between the built-in IC module and an external device while giving the IC card a feeling of weight.
- the body is formed of the material that contains it.
- Patent Document 4 discloses that a main routing pattern is distributed over a part or the whole of a loop-shaped main routing pattern.
- a coil antenna having a winding pattern whose winding shape is sufficiently smaller than the pattern is disclosed.
- the air core coil is attached to one side of the double-sided adhesive film and the other side is attached to the main body member. In this process, manual work is required because the adhesive surface cannot be touched or a mistake cannot be made.
- the film may melt due to heat and pressure during injection molding, and the pattern of the coil antenna may collapse. In this case, it becomes impossible to guarantee the performance of the non-contact information medium in which a plurality of communication is possible while being stacked. In order to obtain stable performance, it is necessary to apply a heat-resistant film for holding the pattern of the coil antenna.
- the present invention has been made in view of the above, and a non-contact information medium that can be communicated with a communication device while being stacked in plural, and that is easy to manufacture, and a coil antenna in such a non-contact information medium It is an object to provide a non-contact information medium bobbin member for winding a non-contact information medium, a non-contact information medium body member forming a part of a non-contact information medium body, and a method for manufacturing the non-contact information medium.
- a non-contact information medium includes a main body that forms an outer shape of the non-contact information medium, an IC chip accommodated in the main body, and both ends of the IC.
- a coil antenna comprising a series of conductors connected to the chip and including a main routing pattern provided along a closed curve, and a plurality of sub-routing patterns each having a diameter smaller than the diameter of the main routing pattern;
- a plurality of bobbins provided in the main body and arranged along the closed curve, wherein the main wiring pattern is formed by winding the series of conductors along the closed curve.
- a plurality of bobbins that form the sub-routing pattern by winding the series of conducting wires around each other.
- the non-contact information medium further includes an auxiliary bobbin that is arranged along the closed curve and projects the series of conducting wires forming the main wiring pattern to the outer peripheral side.
- the main body includes a first member forming a part of the main body, a part of the main body, and together with the first member, the plurality of bobbins, the IC chip, and the A second member that seals the coil antenna, and the plurality of bobbins are connected to each other by a fixing member that fixes the plurality of bobbins, and are between the first member and the second member. It is stored in.
- the non-contact information medium further includes a metal member disposed on an outer peripheral side of the fixed member, and the fixed member is formed on the surface of the first member on the inner side of the non-contact information medium.
- the bobbin is disposed with the second member facing toward the second member, and the metal member is sealed inside the first member.
- the non-contact information medium further includes a metal member disposed on the outer peripheral side of the fixed member and sealed inside the second member.
- the main body includes a first member forming a part of the main body, a part of the main body, and together with the first member, the plurality of bobbins, the IC chip, and the A second member that seals the coil antenna, wherein the plurality of bobbins are surfaces that are inside the non-contact information medium of either the first member or the second member. It is provided above.
- the non-contact information medium further includes a metal member disposed on an outer peripheral side of the plurality of bobbins, and the plurality of bobbins are provided on a surface of the first member that is inside the non-contact information medium.
- the metal member is sealed inside the first member.
- the non-contact information medium further includes a metal member disposed on an outer peripheral side of the plurality of bobbins, and the plurality of bobbins are provided on a surface of the first member that is inside the non-contact information medium.
- the metal member is sealed by the first and second members.
- the non-contact information medium further includes a metal member disposed on an outer peripheral side of the plurality of bobbins, and the plurality of bobbins are provided on a surface of the first member that is inside the non-contact information medium.
- the metal member is sealed by the second member and a third member different from the first member.
- the main body has a coin shape.
- a bobbin member for a non-contact information medium is a bobbin member for a non-contact information medium that forms a predetermined coil antenna pattern by winding a conducting wire in the non-contact information medium, and is arranged along a closed curve. And a fixing member that connects the plurality of bobbins to each other.
- the non-contact information medium main body member according to the present invention is a non-contact information medium main body member that forms a part of the main body of the non-contact information medium, and follows a closed curve on the inner surface of the non-contact information medium. And a plurality of bobbins arranged in the manner described above.
- a unit including an IC chip and an antenna connected to the IC chip is placed in a mold for injection molding, and the first surface of the unit is directed to the bottom surface of the mold. And a molding step of molding by injecting a resin material into the mold so as to cover the second surface of the unit facing the first surface.
- the molded product produced in the molding step is released from the mold, and the second surface is formed on a second mold for injection molding different from the mold.
- positioning process arrange
- a subsequent molding step a subsequent molding step.
- the antenna is composed of a series of conductors whose both ends are connected to the IC chip, and a main routing pattern provided along a closed curve, and each diameter is the main routing. And a plurality of sub-routing patterns smaller than the pattern diameter.
- the unit is a plurality of bobbins arranged along the closed curve, and the series of conducting wires are wound along the closed curve, and the series of conducting wires are respectively provided. It comprises a plurality of bobbins wound around.
- a coil antenna pattern including a main routing pattern that forms a closed curve and a plurality of sub-routing patterns that are arranged along the closed curve is transferred to a plurality of bobbins that are arranged along the closed curve.
- FIG. 1 is a schematic diagram showing an appearance of a non-contact information medium according to Embodiment 1 of the present invention.
- FIG. 2 is a cross-sectional view taken along the line AA in FIG.
- FIG. 3 is a top view showing a lower part of the main body member shown in FIG.
- FIG. 4A is a top view showing the bobbin member.
- 4B is a cross-sectional view taken along the line BB of FIG. 4A.
- FIG. 5A is a top view showing a bobbin member around which a conducting wire is wound.
- FIG. 5B is a side view showing the bobbin member shown in FIG. 5A.
- 6A is a diagram for explaining a method of manufacturing a non-contact information medium according to Embodiment 1.
- FIG. FIG. 1 is a schematic diagram showing an appearance of a non-contact information medium according to Embodiment 1 of the present invention.
- FIG. 2 is a cross-sectional view taken along the line AA in
- FIG. 6B is a diagram for explaining the method of manufacturing the non-contact information medium according to Embodiment 1.
- FIG. 6C is a diagram for explaining the method of manufacturing the non-contact information medium according to Embodiment 1.
- FIG. 7A is a top view showing the main body member of the non-contact information medium according to Embodiment 2 of the present invention.
- FIG. 7B is a DD cross-sectional view of FIG. 7A.
- FIG. 8 is a top view showing the main body member around which the conducting wire is wound.
- FIG. 9 is a cross-sectional view showing a non-contact information medium according to the second embodiment.
- FIG. 10 is a cross-sectional view showing a non-contact information medium according to Embodiment 3 of the present invention.
- FIG. 11 is a top view showing the main body member shown in FIG.
- FIG. 12 is a cross-sectional view showing a non-contact information medium according to Embodiment 4 of the present invention.
- FIG. 13A is a view for explaining the method of manufacturing the non-contact information medium shown in FIG. 12, and is a cross-sectional view showing a primary forming step.
- FIG. 13B is a diagram for explaining the method of manufacturing the non-contact information medium shown in FIG. 12, and is a perspective view showing a primary molded product.
- FIG. 13C is a view for explaining the method of manufacturing the non-contact information medium shown in FIG. 12, and is a perspective view showing a primary molded product.
- FIG. 13D is a view for explaining the method of manufacturing the non-contact information medium shown in FIG.
- FIG. 13E is a view for explaining the method of manufacturing the non-contact information medium shown in FIG. 12, and is a perspective view showing a secondary molded product (final product).
- FIG. 14 is a cross-sectional view showing a non-contact information medium according to Embodiment 5 of the present invention.
- FIG. 15 is a diagram for explaining a method of manufacturing the non-contact information medium shown in FIG.
- FIG. 16 is a cross-sectional view showing a non-contact information medium according to Embodiment 6 of the present invention.
- FIG. 17A is a diagram for explaining a method of manufacturing the non-contact information medium shown in FIG.
- FIG. 17B is a diagram for explaining a method of manufacturing the non-contact information medium shown in FIG.
- FIG. 1 is a schematic diagram showing an appearance of a non-contact information medium according to Embodiment 1 of the present invention.
- FIG. 2 is a cross-sectional view taken along the line AA in FIG.
- the non-contact information medium 10 according to Embodiment 1 has a circular coin shape, and a main body member lower portion 11 that forms a part of the main body of the non-contact information medium 10, and the non-contact information medium 10.
- the main body member upper part 12 which comprises a part of a main body and seals the built-in thing of the non-contact information medium 10 with the main body member lower part 11 is provided.
- a label 10 a on which the face value of the coin is displayed is attached to the front and back surfaces (not shown) of the non-contact information medium 10.
- shaded portions are given to portions having different colors.
- the bobbin member 13 disposed on the lower body member 11, the IC chip 14 disposed on the bobbin member 13, and the bobbin member 13 are disposed inside the non-contact information medium 10.
- a series of conducting wires 15 wound around the bobbins (bobbin portion 13b and auxiliary bobbin portions 13c and 13d described later) are provided inside the non-contact information medium 10.
- Shallow concave portions 16 are provided on both surfaces of the non-contact information medium 10, and the bottom surfaces of the concave portions 16 serve as application surfaces of the labels 10 a. In FIG. 2, the label 10a is not shown.
- FIG. 3 is a top view showing the lower part 11 of the main body member.
- the main body member lower portion 11 is a dish-like member having a disk shape as a whole and provided with a recess 11a in which the bobbin member 13 is disposed on one main surface. Further, the above-described shallow recess 16 is provided on the other main surface of the main body member lower portion 11.
- a notch 11b is formed on the peripheral edge of the lower part 11 of the main body member by notching a predetermined depth with respect to the outermost periphery.
- the notch portion 11b is a region into which the material of the main body member upper portion 12 flows during injection molding.
- a pattern can also be given to the surface of the non-contact information medium 10 by providing such a notch portion 11 b and using materials having different colors for the main body member lower portion 11 and the main body member upper portion 12.
- Such a main body member lower portion 11 is made of, for example, a hard resin material such as nylon or ABS (acrylonitrile, butadiene, styrene copolymer) mixed with powder such as glass, nonmagnetic (or weakly magnetic) metal or alloy. It is formed by an injection molding method using a material as a material.
- a hard resin material such as nylon or ABS (acrylonitrile, butadiene, styrene copolymer) mixed with powder such as glass, nonmagnetic (or weakly magnetic) metal or alloy.
- FIG. 4A is a top view showing the bobbin member 13.
- 4B is a cross-sectional view taken along the line BB of FIG. 4A.
- FIG. 5A is a top view showing a state where the IC chip 14 and the conducting wire 15 are arranged on the bobbin member 13.
- 5B is a side view showing the bobbin member 13 and the conducting wire 15 shown in FIG. 5A.
- the bobbin member 13 is a member for forming and holding a coil antenna having a predetermined pattern by winding the conducting wire 15.
- a coil antenna pattern as a coil antenna pattern, a main routing pattern having a closed curve and a plurality of sub-arrangements arranged along the closed curve and each winding shape having a diameter smaller than the diameter of the closed curve. A pattern including a cord pattern is formed.
- the closed curve of the main routing pattern is a circle.
- the bobbin member 13 has a structure in which a plurality of bobbin portions 13b and auxiliary bobbin portions 13c and 13d are connected to each other via a fixing member 13a.
- a region 13e for placing the IC chip 14 is provided on the surface of the fixing member 13a.
- the bobbin portion 13b is disposed along the closed curve C.
- the bobbin portion 13b is arranged so that the path connecting the end region on the outer peripheral side of each bobbin portion 13b as viewed from the center of the bobbin member 13 forms a closed curve C having a predetermined shape.
- Each of these bobbin portions 13b constitutes a small bobbin for winding the conducting wire 15 to form a sub-routing pattern.
- the auxiliary bobbin portion 13c includes a plurality of end portions 13f protruding on the closed curve C. These end portions 13f cause the lead wires 15 forming the main wiring pattern to project along the closed curve C to the outer peripheral side between the plurality of bobbin portions 13b.
- the plurality of end portions 13f of the auxiliary bobbin portion 13c are extended on the closed curve C. However, each of these end portions 13f is used as an independent auxiliary bobbin portion on the closed curve C. You may divide and arrange in several places.
- Another auxiliary bobbin portion 13d is disposed along the closed curve C, and causes the lead wire 15 forming the main routing pattern to project along the closed curve C to the outer peripheral side. Both ends of the conducting wire 15 are connected to the IC chip 14 disposed in the region 13e via the auxiliary bobbin portion 13d.
- the plurality of bobbin portions 13b and auxiliary bobbin portions 13c and 13d as a whole constitute a large bobbin for winding the conductive wire 15 to form a main routing pattern.
- the diameter D2 of each bobbin portion 13b is smaller than the diameter D1 of the closed curve C, whereby the diameter of each sub-routing pattern is also smaller than the diameter of the main routing pattern.
- a flange portion 13h is provided that protrudes outward from the core portion 13g around which the conductive wire 15 is wound.
- the flange portion 13h prevents the lead wire 15 from coming off from the core portion 13g.
- Such a bobbin member 13 is formed by an injection molding method using a heat-resistant resin material such as PMP (polymethylpentene), PBT (polybutylene terephthalate), LCP (liquid crystal polymer), PPS (polyphenylene sulfide), and the like.
- a heat-resistant resin material such as PMP (polymethylpentene), PBT (polybutylene terephthalate), LCP (liquid crystal polymer), PPS (polyphenylene sulfide), and the like.
- the heat resistance of the bobbin member 13 should just be a grade which can maintain a solid state at least at the time of the injection molding of the main body member upper part 12.
- the shape of the fixing member 13a is not limited to a disk shape or a plate shape as shown in FIGS. 4A and 4B, and the relative positional relationship between the plurality of bobbin portions 13b and the auxiliary bobbin portions 13c and 13d is fixed. And any shape is possible as long as it can be placed in the main body (between the main body member lower portion 11 and the main body member upper portion 12).
- the fixing member 13a, the plurality of bobbin portions 13b, and the auxiliary bobbin portions 13c and 13d may be integrally formed by injection molding or the like, or may be connected to each other by fastening or adhesion.
- an opening may be provided in the fixing member 13a, or a notch or a D cut may be provided in a part of the outer periphery of the fixing member 13a.
- the IC chip 14 is a general-purpose electronic module, and its function is not particularly limited.
- the IC chip 14 may include a storage unit capable of storing various data such as individual information (ID), face value, owner, distribution history, and the like of the non-contact information medium 10.
- 6A to 6C are diagrams for explaining a method of manufacturing the non-contact information medium 10.
- the main body member lower portion 11 and the bobbin member 13 are prepared in advance by an injection molding method using a predetermined resin material.
- the conductive wire 15 is wound around the bobbin portion 13b and the auxiliary bobbin portion 13c of the bobbin member 13 to form a coil antenna pattern including a main wiring pattern and a sub-routing pattern.
- this process can be implemented using a general purpose coil winding machine.
- both ends of the conducting wire 15 are connected to the IC chip 14, and the IC chip 14 is temporarily fixed to a predetermined region 13 e of the bobbin member 13 using an adhesive.
- the built-in object 17 in which the bobbin member 13, the IC chip 14, and the conducting wire 15 are integrated is manufactured (see FIG. 6A).
- the built-in object 17 is temporarily fixed to the concave portion 11a of the main body member lower portion 11 with an adhesive.
- at least the pattern of the coil antenna may be covered and protected with, for example, a thermosetting or ultraviolet curable adhesive.
- a main body member upper portion 12 that covers the recess 11a and the cutout portion 11b of the main body member lower portion 11 is formed by an injection molding method, and the built-in object 17 is sealed.
- the non-contact information medium 10 shown in FIG. 6C is produced.
- portions of the resin material having different colors are shaded.
- the label 10a is affixed to the recess 16 on the surface of the non-contact information medium 10 to complete the non-contact information medium 10.
- a non-contact information medium with a built-in coil antenna can be manufactured.
- non-contact information medium since there is little electromagnetic mutual interference, it is possible to communicate between each non-contact information medium and the communication device even when a plurality of non-contact information media are stacked. .
- a plurality of (for example, 10 or more) non-contact information media are stacked or stacked, they can communicate with each non-contact information medium. Therefore, it is possible to monitor and record various data such as individual information (ID) of each non-contact information medium in such a state. It is also possible to check the face value and authenticity of each non-contact information medium on the spot, detect the position and number of non-contact information media, and calculate the total amount.
- ID individual information
- a coil antenna pattern is formed by winding a conductive wire around a bobbin, so that a dedicated winding device is not required, and a general manufacturing method using a general-purpose coil winding machine is applied. can do. Therefore, the manufacturing process of the non-contact information medium is facilitated and mass production is possible. Thereby, it becomes possible to reduce the manufacturing cost of the non-contact information medium alone and the initial cost for capital investment.
- the coil antenna and the IC chip are arranged on the main body member and sealed with the cover member by injection molding while the conductive wire is wound around the bobbin.
- the pattern can be held without breaking. Therefore, it is possible to simplify the manufacturing process and reduce the cost, such as omitting a complicated process for attaching the pattern of the coil antenna and eliminating the need to attach a film for holding the pattern. In addition, it is possible to ensure the performance of the non-contact information medium that each can communicate even if a plurality of them are stacked.
- the non-contact information medium can be manufactured at a low cost, so that the non-contact information medium can be used in a wide range of fields.
- the non-contact information medium can be used in a wide range of fields.
- coins chips
- games such as card games and board games, tokens in transportation facilities, it can also be used for games for children.
- the outer shape of the non-contact information medium is a circular coin shape, but there are an elliptical shape, a polygonal shape such as a quadrangular shape, a pentagonal shape, a hexagonal shape, and a plurality of locations around the circumference.
- Various shapes such as a star shape protruding toward the outer peripheral side may be employed.
- the main wiring pattern of the coil antenna is a circular closed curve, but is not limited to a circular shape as long as a plurality of sub-routing patterns can be arranged along the closed curve.
- the main routing pattern may be an elliptical shape, a polygonal shape such as a quadrangular shape, a pentagonal shape, or a hexagonal shape, or a closed curve such as a star shape.
- the arrangement and shape of the plurality of bobbin portions provided on the bobbin member may be changed according to the pattern of the coil antenna.
- the pattern of the coil antenna (conductive wire 15) is formed by the bobbin portion 13b and the auxiliary bobbin portion 13c.
- the main routing pattern forming a closed curve and a plurality of sub-arrangements arranged along the closed curve are used.
- the arrangement and shape of the bobbin portion 13b are not limited to those described above as long as the wiring pattern can be formed with a cored coil.
- one or more bobbins for forming the main routing pattern may be further provided separately from the plurality of bobbin portions 13b that form the sub-routing pattern.
- the auxiliary bobbin portions 13c and 13d may be omitted, and the main routing pattern and the plurality of sub-routing patterns may be formed only by the bobbin portion 13b.
- the sub routing pattern is formed inside the main routing pattern, but the sub routing pattern may be formed outside the main routing pattern.
- the appearance of the non-contact information medium according to the second embodiment is the same as that of the first embodiment, and the internal structure of the non-contact information medium is different from that of the first embodiment.
- the non-contact information medium according to Embodiment 2 is characterized in that a bobbin portion for forming a coil antenna pattern is directly provided on the main body member. Note that the material of each part constituting the non-contact information medium according to the second embodiment is the same as that of the first embodiment.
- the main routing pattern that forms a closed curve and the winding curve are arranged along the closed curve, and the diameter of each winding shape is the closed curve.
- a pattern including a plurality of sub-routing patterns smaller than the diameter of the sub-routing pattern is formed.
- FIG. 7A is a top view showing a structure of a main body member included in the non-contact information medium according to Embodiment 2.
- FIG. 7B is a DD cross-sectional view of FIG. 7A.
- FIG. 8 is a top view showing a state in which the IC chip and the conductor are arranged on the main body member shown in FIG. 7A.
- the lower part 21 of the main body member in the second embodiment is a dish-like member having a disk shape as a whole and having a recess 21a on one main surface.
- a notch 21 b is formed at the peripheral edge of the lower part 21 of the main body member by notching a predetermined depth with respect to the outermost periphery.
- the recess 21a is provided with a plurality of bobbin portions 21c protruding from the bottom surface of the recess 21a. These bobbin portions 21c are arranged along the closed curve C. In other words, the bobbin portion 21c is disposed so that a path connecting the end region on the outer peripheral side of each bobbin portion 21c as viewed from the center of the recess 21a forms a closed curve having a predetermined shape.
- the conducting wire 15 is wound around these bobbin portions 21c to form a main wiring pattern. Moreover, the conducting wire 15 is wound around each bobbin part 21c, and forms a some sub routing pattern. As shown in FIG. 7A, the diameter D2 of each bobbin portion 21c is sufficiently smaller than the diameter D1 of the closed curve C, whereby the sub-routing pattern is also smaller than the diameter of the main routing pattern. .
- a flange portion 21e is provided that protrudes more outward than the core portion 21d around which the conducting wire 15 is wound. The flange portion 21e prevents the lead wire 15 from coming off from the core portion 21d.
- an auxiliary bobbin portion may be provided on the closed curve C so as to project to the outer peripheral side of the conducting wire 15 forming the main routing pattern. Or you may provide the bobbin for forming a main wiring pattern separately from the bobbin part 21c.
- the main body member lower portion 21 is prepared in advance by an injection molding method using a predetermined resin material.
- the conductive wire 15 is wound around the bobbin portion 21c of the main body member to form a coil antenna pattern including a main wiring pattern and a sub-routing pattern.
- this process can be implemented using a general purpose coil winding machine.
- both ends of the conductive wire 15 are connected to the IC chip 14, and the IC chip 14 is temporarily fixed to a predetermined region on the bottom surface of the recess 21a using an adhesive.
- at least the IC chip 14 and the conductive wire 15 may be solidified by an adhesive such as a thermosetting system or an ultraviolet curing system for protection.
- a main body member upper portion 22 covering the recess 21a and the notch 21b is formed by an injection molding method, and the IC chip 14 and the conductive wire 15 (coil antenna) are sealed. Thereby, the non-contact information medium 20 is produced.
- the shallow recessed part 16 may be provided in the surface of the main body member lower part 21 and the main body member upper part 22 similarly to Embodiment 1, and a label may be stuck.
- the bobbin portion for forming the coil antenna is integrated with the main body member, the number of parts can be reduced. Therefore, the manufacturing process can be simplified and the manufacturing cost can be reduced.
- FIG. 10 is a cross-sectional view showing a non-contact information medium according to Embodiment 3 of the present invention.
- the non-contact information medium 30 includes a main body member lower portion 31, a main body member upper portion 12, a bobbin member 13, an IC chip 14, and a conductive wire 15.
- the structure of the main body member upper portion 12 to the conductive wire 15 is the same as that of the first embodiment.
- FIG. 11 is a top view showing the structure of the lower part 31 of the main body member.
- the outer shape of the lower part 31 of the main body member has a disk shape as a whole, and is provided with a recess 31a in which the bobbin member 13 is disposed on one main surface, and is covered with the upper part 12 of the main body member at the peripheral edge.
- a cutout portion 31b is provided.
- a metal member 31d is disposed inside the peripheral edge 31c, which is on the outer peripheral side of the recess 31a of the main body member lower part 31.
- the material of the metal member 31d is selected from various metals or alloys such as copper, aluminum, brass and the like according to the feeling of weight required for the non-contact information medium 30.
- the metal member 31d has a substantially C shape obtained by cutting a part of the ring. Note that the number of the metal members 31d disposed on the peripheral edge portion 31c is not limited to one. For example, a plurality of metal members may be disposed on the peripheral edge portion 31c at intervals.
- Such a main body member lower portion 31 is manufactured by performing injection molding using the metal member 31d as a core material.
- the metal member is disposed on the peripheral portion of the non-contact information medium, the weight of the non-contact information medium is reduced with a simple configuration without interfering with the communication by the coil antenna. Can be granted.
- a method of adjusting the specific gravity by mixing metal powder into the resin material forming the main body member lower portion 31 and the main body member upper portion 12 is also used. May be used.
- a plurality of bobbin portions may be provided directly on the bottom surface of the recess 31a.
- FIG. 12 is a cross-sectional view showing a non-contact information medium according to Embodiment 4 of the present invention. Note that the non-contact information medium according to the fourth embodiment has the same outer shape, materials and functions as those of the first and third embodiments.
- the non-contact information medium 40 according to Embodiment 4 includes a main body member lower portion 41 and a main body member upper portion 42 manufactured by a two-color molding method, and the main body member lower portion 41 and the main body member upper portion 42.
- a sealed bobbin member 13, IC chip 14, and lead wire 15, and a metal member 43 sealed inside the main body member upper part 42 are provided.
- the configurations of the bobbin member 13, the IC chip 14, and the conducting wire 15 are the same as those in the first embodiment.
- the metal member 43 may not be provided when it is not particularly necessary to give the non-contact information medium 40 a feeling of weight.
- FIG. 13A to 13E are views for explaining a method of manufacturing the non-contact information medium 40.
- the built-in object 17 (see FIG. 5A and FIG. 5B) in which the bobbin member 13, the IC chip 14, and the conductive wire 15 are integrated is prepared in advance.
- the IC chip 14 and the conductive wire 15 may be covered with an adhesive or the like.
- an opening, a cutout, a D-cut, etc. (none of which are shown) may be provided in the bobbin member 13 for positioning with a mold used in injection molding described later.
- the built-in object 17 and the metal member 42 are arranged in an injection molding die 44 including a lower die 44a and an upper die 44b.
- a cavity 44c surrounded by the lower mold 44a and the upper mold 44b has a shape corresponding to the upper part 42 of the main body member shown in FIG. 12, and has irregularities (not shown) corresponding to the pattern attached to the surface of the non-contact information medium 40. Z).
- the built-in object 17 is positioned on the inner bottom surface of the lower mold 44a, and the back surface (the surface opposite to the side where the IC chip 14 and the conductor 15 are disposed) 17a is directed to the inner bottom surface side. Combine and place directly.
- the metal member 43 is held by pins 44f provided on the lower mold 44a and the upper mold 44b.
- the inner bottom surface of the lower mold 44a is a single plane. However, a step is provided between the placement area of the built-in object 17 and the placement area of the metal member 43, and the non-contact information medium 40 is provided. The positions in the thickness direction of the built-in object 17 and the metal member 43 may be adjusted. Further, when an opening for positioning is provided in the bobbin member 13, it is preferable to provide a protrusion or the like corresponding to the opening on the inner bottom surface of the lower mold 44 a.
- FIG. 13B and 13C are perspective views showing the primary molded product.
- one surface of the primary molded product 46 (the surface 17b side of the built-in object 17) is entirely covered with a resin material.
- the back surface 17 a of the built-in object 17 is exposed on the other surface of the primary molded product 46.
- the primary molded product 46 is arranged on the injection molding die 45 including the lower die 45a and the upper die 45b with the back surface 17a of the built-in object 17 facing upward.
- a cavity 45c surrounded by the lower mold 45a and the upper mold 45b has a shape corresponding to the main body member lower portion 41 shown in FIG.
- secondary molding is performed by injecting the molten resin material into the cavity 45c through the sprue 45d.
- a resin material having a different color from that of the primary molding step is used.
- the lower part 41 of the main body member is formed, the built-in object 17 is sealed, and the recesses (not shown) provided on the surface of the primary molded product are filled with resin materials of different colors.
- a pattern is formed.
- a non-contact information medium 40 having a final product shape is obtained as shown in FIG. 13E. In FIG. 13E, portions of the resin material having different colors are shaded.
- the built-in object 17 is directly placed on the injection molding die 44, and one surface of the built-in object 17 is covered simultaneously with the formation of the main body member upper part 42. Therefore, as in the first embodiment, the lower part 11 of the main body member (see FIG. 6A) is prepared separately, and the built-in object 17 is fixed thereto with an adhesive, an adhesive tape or the like, and then compared with a manufacturing method in which injection molding is performed. Thus, labor and man-hours can be greatly reduced, lead time can be shortened, and further cost reduction can be achieved. In addition, since the method for manufacturing the non-contact information medium 40 according to Embodiment 4 is suitable for an automatic production line, the non-contact information medium 40 can be efficiently and mass produced.
- the surface color of the central portion changes between the main body member lower portion 41 and the main body member upper portion 42. If a label is attached to the central portion, the coin-type non-contact information medium is used. Can be used without any problems.
- the built-in object 17 in which the bobbin member 13, the IC chip 14, and the conductive wire 15 are integrated is sealed by the two-color molding method.
- a non-contact information medium may be manufactured by a similar manufacturing method by arranging a sheet-like coil unit in which a coil is sandwiched between adhesive films, an RFID inlay in which an IC chip and an antenna are arranged on a PET film, or a substrate module.
- it is desirable to take protective measures such as pre-covering the surface with an adhesive or the like so that these built-in objects are not damaged by the temperature and pressure of the molding resin.
- FIG. 14 is a cross-sectional view showing a non-contact information medium according to Embodiment 5 of the present invention. Note that the outer shape, the material of each part, and the function of the non-contact information medium according to the fifth embodiment are the same as those in the first and third embodiments.
- the non-contact information medium 50 includes a main body member lower portion 51, a main body member upper portion 52, and the IC chip 14 sealed in the main body member lower portion 51 and the main body member upper portion 52. , Lead wire 15 and metal member 53. Note that the metal member 53 may not be provided when it is not necessary to give the non-contact information medium 50 a feeling of weight.
- a plurality of bobbin portions 51b protruding from the inner side surface 51a are provided on the inner side surface 51a of the main body member lower portion 51, and the conductive wire 15 is wound around these bobbin portions 51b.
- positioning of the bobbin part 51b are the same as that of the bobbin part 21c shown to FIG. 7A, and the winding pattern of the conducting wire 15 is the same as that of FIG.
- the peripheral edge portion of the main body member lower portion 51 is lowered by one step from the central portion. It is good also considering a part as the same plane.
- FIG. 15 is a diagram for explaining a method for manufacturing the non-contact information medium 50.
- the main body member lower portion 51 is manufactured by an injection molding method. Then, the conductive wire 15 is wound around the bobbin portion 51b, and the IC chip connected to the conductive wire 15 is fixed to the inner side surface 51a with an adhesive or the like.
- the peripheral part of the main body member lower part 51 is lower than the bobbin part 51b, the conducting wire 15 can be easily wound around the bobbin part 51b using a general-purpose coil winding machine.
- the IC chip 14 and the conducting wire 15 may be covered with an adhesive or the like.
- the main body member lower portion 51 on which the IC chip 14 and the conductive wire 15 are disposed is placed on an injection molding die 54 including a lower die 54 a and an upper die 54 b, and the main body member lower portion 51 is placed.
- the metal member 53 is placed on the peripheral edge of the.
- the metal member 53 may be fixed to the lower part 51 of the main body member using an adhesive.
- a cavity 54c surrounded by the lower mold 54a and the upper mold 54b has a shape corresponding to the main body member upper part 52 shown in FIG.
- injection molding is performed by injecting the molten resin material into the cavity 54c through the sprue 54d. Furthermore, the non-contact information medium 50 having the final product shape is obtained by releasing the molded product from the mold 54.
- FIG. 16 is a cross-sectional view showing a non-contact information medium according to Embodiment 6 of the present invention. Note that the outer shape, the material of each part, and the function of the non-contact information medium according to the sixth embodiment are the same as those in the first and third embodiments.
- the non-contact information medium 60 includes a bobbin member 61, a main body member 62, the IC chip 14 and the conductive wire 15 sealed by the bobbin member 61 and the main body member 62, A metal member 63 and a surface member 64 that seals the metal member 63 together with the main body member 62 are provided.
- the metal member 63 may not be provided when it is not particularly necessary to give the non-contact information medium 60 a feeling of weight.
- the bobbin member 61 has a bobbin base 61a and a plurality of bobbin portions 61c provided on the inner side surface 61b of the bobbin base 61a, and the conducting wire 15 is wound around these bobbin portions 61c.
- positioning of the bobbin part 61c are the same as that of the bobbin part 13b shown to FIG. 4A, and the winding pattern of the conducting wire 15 is the same as that of FIG. 5A.
- the bobbin base 61a is formed thicker than the fixing member 13a shown in FIG. 4B. Further, the outer surface 61 d of the bobbin base 61 a is exposed on the surface of the non-contact information medium 60. That is, the bobbin base 61a constitutes a part of the main body of the non-contact information medium 60. As described above, the bobbin base 61a may be formed of the same material as the bobbin member 13 in the first embodiment, or may be formed of the same material as the main body member lower portion 11 and the main body member upper portion 12. good.
- a heat-resistant resin material such as PMP (polymethylpentene), PBT (polybutylene terephthalate), LCP (liquid crystal polymer), PPS (polyphenylene sulfide), etc.
- a material having a specific gravity greater than these materials may be added to the material.
- 17A and 17B are diagrams for explaining a method for manufacturing the non-contact information medium 60.
- the bobbin member 61 is manufactured by an injection molding method. Then, the conductive wire 15 is wound around the bobbin portion 61c, and the IC chip 14 connected to the conductive wire 15 is fixed to the inner side surface 61b using an adhesive or the like.
- the inner side surface 61b of the bobbin member 61 is planar, the conducting wire 15 can be easily wound around the bobbin portion 61c using a general-purpose coil winding machine.
- the IC chip 14 and the conducting wire 15 may be covered with an adhesive or the like.
- the bobbin member 61 on which the IC chip 14 and the conductor 15 are arranged is placed on an injection molding die 65 including a lower die 65a and an upper die 65b, and the outer periphery of the bobbin member 61 is placed.
- the metal member 63 is placed on the side.
- a cavity 65c surrounded by the lower mold 65a and the upper mold 65b has a shape corresponding to the main body member 62 shown in FIG. 16, and has irregularities (not shown) corresponding to the pattern attached to the surface of the non-contact information medium 60. ) Is provided.
- a step is provided at the peripheral edge of the inner bottom surface of the lower mold 65a in order to adjust the height of the metal member 63 in the non-contact information medium 60.
- the upper die 65b is provided with a pin 65e for holding the metal member 63.
- the primary molded product is released from the mold 65, and as shown in FIG. 17B, the back side surface 61d faces the upper mold 66b toward the injection molding mold 66 including the lower mold 66a and the upper mold 66b.
- a cavity 66c surrounded by the lower mold 66a and the upper mold 66b has a shape corresponding to the peripheral edge of the non-contact information medium 60 shown in FIG.
- secondary molding is performed by injecting the molten resin material into the cavity 66c through the sprue 66d.
- a resin material having a different color from that of the primary molding step is used.
- the metal member 63 is sealed, and a recess (not shown) provided on the surface of the primary molded product is filled with a resin material of a different color to form a pattern.
- the non-contact information medium 60 having the final product shape is obtained by releasing the secondary molded product from the mold 66.
- the surface color and material in the central part change on both sides of the non-contact information medium 60.
- the coin-type non-contact information medium can be used. Can be used without problems.
- Non-contact information medium 10a Label 11, 21, 31, 41, 51 Lower body member 11a, 21a, 31a Recess 11b, 21b, 31b Notch 12, 22, 42, 52 Main body member upper part 13, 61 Bobbin member 13a Fixing member 13b, 21c, 51b, 61c Bobbin part 13c, 13d Auxiliary bobbin part 13e Region 13f End part 13g, 21d Core part 13h, 21e Eighth part 14 IC chip 15 Conductor 16 Recessed part 17 Built-in Object 17a Back surface 17b Front surface 31c Peripheral portion 31d, 43, 53, 63 Metal member 44, 45, 54, 65, 66 Mold 44a, 45a, 54a, 65a, 66a Lower mold 44b, 45b, 54b, 65b, 66b Upper mold 44c 45c, 54c, 65c, 66c Cavity 44d, 45d, 54 d, 65d, 66d Sprue 44e Gate 44f, 65e Pin 46 Primary molded product
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Abstract
Description
図1は、本発明の実施の形態1に係る非接触情報媒体の外観を示す模式図である。また、図2は、図1のA-A断面図である。
図1に示すように、実施の形態1に係る非接触情報媒体10は円形のコイン形状をなし、非接触情報媒体10の本体の一部をなす本体部材下部11と、非接触情報媒体10の本体の一部をなし、本体部材下部11と共に非接触情報媒体10の内蔵物を封止する本体部材上部12とを備える。また、非接触情報媒体10の表面及び裏面(図示せず)には、コインの額面等が表示されたラベル10aが貼付されている。なお、図1においては、色の異なる部分に網掛けを施している。
本体部材下部11は全体として円盤形状をなし、一方の主面にボビン部材13が配置される凹部11aが設けられた皿状の部材である。また、本体部材下部11の他方の主面には、上述した浅い凹部16が設けられている。
次に、本発明の実施の形態2について説明する。
実施の形態2に係る非接触情報媒体の外観は実施の形態1と同様であり、非接触情報媒体の内部構造が実施の形態1とは異なる。具体的には、実施の形態2に係る非接触情報媒体においては、コイルアンテナのパターンを形成するためのボビン部が本体部材に直接設けられていることを特徴とする。なお、実施の形態2に係る非接触情報媒体を構成する各部の材料については、実施の形態1と同様である。また、実施の形態2においても、実施の形態1と同様に、コイルアンテナのパターンとして、閉曲線をなす主配索パターンと、該閉曲線に沿って配置され、各々の巻回形状の径が該閉曲線の径よりも小さい複数の副配索パターンとを含むパターンを形成する。
次に、本発明の実施の形態3について説明する。
図10は、本発明の実施の形態3に係る非接触情報媒体を示す断面図である。
このような本体部材下部31は、金属部材31dを芯材として射出成形を行うことにより作製される。
次に、本発明の実施の形態4について説明する。
図12は、本発明の実施の形態4に係る非接触情報媒体を示す断面図である。なお、実施の形態4に係る非接触情報媒体の外形、各部の材料、及び機能は、実施の形態1及び3と同様である。
次に、本発明の実施の形態5について説明する。
図14は、本発明の実施の形態5に係る非接触情報媒体を示す断面図である。なお、実施の形態5に係る非接触情報媒体の外形、各部の材料、及び機能は、実施の形態1及び3と同様である。
次に、本発明の実施の形態6について説明する。
図16は、本発明の実施の形態6に係る非接触情報媒体を示す断面図である。なお、実施の形態6に係る非接触情報媒体の外形、各部の材料、及び機能は、実施の形態1及び3と同様である。
10a ラベル
11、21、31、41、51 本体部材下部
11a、21a、31a 凹部
11b、21b、31b 切り欠き部
12、22、42、52 本体部材上部
13、61 ボビン部材
13a 固定部材
13b、21c、51b、61c ボビン部
13c、13d 補助ボビン部
13e 領域
13f 端部
13g、21d 芯部
13h、21e 庇部
14 ICチップ
15 導線
16 凹部
17 内蔵物
17a 裏面
17b 表面
31c 周縁部
31d、43、53、63 金属部材
44、45、54、65、66 型
44a、45a、54a、65a、66a 下型
44b、45b、54b、65b、66b 上型
44c、45c、54c、65c、66c キャビティ
44d、45d、54d、65d、66d スプルー
44e ゲート
44f、65e ピン
46 一次成形品
51a、61b 内側面
61a ボビンベース
61d 外側面
62 本体部材
64 表面部材
Claims (16)
- 非接触情報媒体の外形をなす本体と、
前記本体内に収納されたICチップと、
両端が前記ICチップに接続された一連の導線からなり、閉曲線に沿って設けられた主配索パターンと、各々の径が前記主配索パターンの径よりも小さい複数の副配索パターンとを含むコイルアンテナと、
を備え、
さらに、前記本体内に設けられ、前記閉曲線に沿って配置された複数のボビンであって、前記一連の導線を前記閉曲線に沿って巻回させることにより前記主配索パターンを形成させると共に、前記一連の導線を各々に巻回させることにより前記副配索パターンを形成させる複数のボビンを備えることを特徴とする非接触情報媒体。 - 前記閉曲線に沿って配置され、前記主配索パターンをなす前記一連の導線を外周側に張り出させる補助ボビンをさらに備えることを特徴とする請求項1に記載の非接触情報媒体。
- 前記本体は、
該本体の一部をなす第1の部材と、
前記本体の一部をなし、前記第1の部材と共に、前記複数のボビン、前記ICチップ、及び前記コイルアンテナを封止する第2の部材と、
を含み、
前記複数のボビンは、該複数のボビンを固定する固定部材により互いに連結されて、前記第1の部材と前記第2の部材との間に収納されていることを特徴とする請求項1又は2に記載の非接触情報媒体。 - 前記固定部材の外周側に配置された金属部材をさらに備え、
前記固定部材は、前記第1の部材の前記非接触情報媒体の内側となる面上に、前記複数のボビンを前記第2の部材側に向けた状態で配置され、
前記金属部材は、前記第1の部材の内部に封止されていることを特徴とする請求項3に記載の非接触情報媒体。 - 前記固定部材の外周側に配置され、前記第2の部材の内部に封止された金属部材をさらに備えることを特徴とする請求項3に記載の非接触情報媒体。
- 前記本体は、
該本体の一部をなす第1の部材と、
前記本体の一部をなし、前記第1の部材と共に、前記複数のボビン、前記ICチップ、及び前記コイルアンテナを封止する第2の部材と、
を含み、
前記複数のボビンは、前記第1の部材と前記第2の部材との内のいずれか一方の前記非接触情報媒体の内側となる面上に設けられていることを特徴とする請求項1又は2に記載の非接触情報媒体。 - 前記複数のボビンの外周側に配置された金属部材をさらに備え、
前記複数のボビンは、前記第1の部材の前記非接触情報媒体の内側となる面上に設けられ、
前記金属部材は、前記第1の部材の内部に封止されていることを特徴とする請求項6に記載の非接触情報媒体。 - 前記複数のボビンの外周側に配置された金属部材をさらに備え、
前記複数のボビンは、前記第1の部材の前記非接触情報媒体の内側となる面上に設けられ、
前記金属部材は、前記第1及び第2の部材によって封止されていることを特徴とする請求項6に記載の非接触情報媒体。 - 前記複数のボビンの外周側に配置された金属部材をさらに備え、
前記複数のボビンは、前記第1の部材の前記非接触情報媒体の内側となる面上に設けられ、
前記金属部材は、前記第2の部材と、前記第1の部材とは異なる第3の部材とによって封止されていることを特徴とする請求項6に記載の非接触情報媒体。 - 前記本体はコイン形状をなすことを特徴とする請求項1~9のいずれか1項に記載の非接触情報媒体。
- 非接触情報媒体において導線を巻回させることにより所定のコイルアンテナのパターンを形成させる非接触情報媒体用ボビン部材であって、
閉曲線に沿って配置された複数のボビンと、
前記複数のボビンを互いに連結する固定部材と、
を備えることを特徴とする非接触情報媒体用ボビン部材。 - 非接触情報媒体の本体の一部をなす非接触情報媒体用本体部材であって、
前記非接触情報媒体の内側となる面上に閉曲線に沿って配置された複数のボビンを備えることを特徴とする非接触情報媒体用本体部材。 - 射出成形用の型に、ICチップ及び該ICチップと接続されたアンテナを含むユニットを、該ユニットの第1の面を前記型の底面に向けて配置する配置工程と、
前記第1の面と対向する前記ユニットの第2の面を覆うように、前記型に樹脂材料を注入することにより、成形を行う成形工程と、
を含むことを特徴とする非接触情報媒体の製造方法。 - 前記成形工程によって作製された成形品を前記型から離型し、前記型とは異なる射出成形用の第2の型に、前記第2の面を前記第2の型の底面に向けて配置する第2の配置工程と、
前記ユニットの前記第1の面を覆うように、前記第2の型に樹脂材料を注入することにより、二次成形を行う二次成形工程と、
をさらに含むことを特徴とする請求項13に記載の非接触情報媒体の製造方法。 - 前記アンテナは、両端が前記ICチップに接続された一連の導線からなり、閉曲線に沿って設けられた主配索パターンと、各々の径が前記主配索パターンの径よりも小さい複数の副配索パターンとを含むことを特徴とする請求項13又は14に記載の非接触情報媒体の製造方法。
- 前記ユニットは、前記閉曲線に沿って配置された複数のボビンであって、前記一連の導線を前記閉曲線に沿って巻回させると共に、前記一連の導線を各々に巻回させる複数のボビンを備えることを特徴とする請求項15に記載の非接触情報媒体の製造方法。
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CN201280056133.XA CN103947038A (zh) | 2011-12-28 | 2012-12-05 | 非接触信息介质、非接触信息介质用线圈架部件、非接触信息介质用主体部件以及非接触信息介质的制造方法 |
JP2013551561A JP6039583B2 (ja) | 2011-12-28 | 2012-12-05 | 非接触情報媒体、非接触情報媒体用ボビン部材、非接触情報媒体用本体部材、及び非接触情報媒体の製造方法 |
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US20150115042A1 (en) | 2015-04-30 |
SG11201402561PA (en) | 2014-08-28 |
PH12014501090B1 (en) | 2018-05-30 |
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PH12014501090A1 (en) | 2014-07-28 |
JPWO2013099546A1 (ja) | 2015-04-30 |
JP6039583B2 (ja) | 2016-12-07 |
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