WO2014155689A1 - 近距離無線通信アンテナモジュール及びその製造方法、システム - Google Patents
近距離無線通信アンテナモジュール及びその製造方法、システム Download PDFInfo
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- WO2014155689A1 WO2014155689A1 PCT/JP2013/059583 JP2013059583W WO2014155689A1 WO 2014155689 A1 WO2014155689 A1 WO 2014155689A1 JP 2013059583 W JP2013059583 W JP 2013059583W WO 2014155689 A1 WO2014155689 A1 WO 2014155689A1
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- wireless communication
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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
-
- 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
- H01Q7/06—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 with core of ferromagnetic material
-
- H04B5/26—
-
- 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
Definitions
- the present invention relates to a short-range wireless communication antenna module in which a short-range wireless communication function is integrated with an SD or SIM mounted on a mobile terminal such as a mobile phone or a smartphone, and a manufacturing method and system thereof.
- the 13.56 MHz band loop antenna for short-range wireless communication installed in a portable terminal such as an SMP or a cellular phone has a large antenna size and a place where it can be stored.
- the installation location it is necessary to devise such as placing an antenna on a metal surface such as a battery, or attaching an antenna to the back cover or placing a resonator.
- the portable terminal having a thin structure is packed with components, there is a problem that the installation location of the short-range wireless communication antenna cannot be easily secured.
- the biggest problem is where to place a part having a security (SE) function in an application (AP) such as a payment.
- SE security
- AP application
- the provision of various application IC chips from the beginning to the portable terminal means that the application cannot be increased any more, and the use of the portable terminal is limited because it cannot be changed or added. .
- An SD (Secure Digital) memory card and a SIM (Subscriber Identity Module) used for a portable terminal are provided with application functions related to this security and application, and an IC card.
- Another object of the present invention is to provide a module in which a short-range wireless communication antenna for communication with RFID or RFID is incorporated. That is, it is possible to provide a portable terminal equipped with a flexible short-range wireless communication antenna module that does not require an installation space for a short-range wireless communication antenna, and provides universality and a very convenient function for freely selecting applications and security. With the goal.
- the present invention can solve the above problems by providing the following configuration.
- a module having a SIM or SD which is a substrate installed on a surface opposite to the surface on which the contact terminals of the SIM or SD are formed, an IC circuit section formed on the substrate, An antenna unit mounted on a substrate, wherein the antenna unit includes a magnetic plate, a planar loop coil antenna formed on the magnetic plate, and one side of a coil of the planar loop coil antenna.
- the coil coil antenna is wound around the magnetic plate so as to overlap, and the magnetic field emitted from the planar loop coil antenna and the coiled coil antenna is emitted two-dimensionally or three-dimensionally.
- a short-range wireless communication antenna module is a short-range wireless communication antenna module.
- a module having a SIM or SD which is a substrate installed on a surface opposite to the surface on which the contact terminals of the SIM or SD are formed, an IC circuit portion formed on the substrate, and an antenna And the antenna unit is in close contact with the winding printed or planar loop coil antenna formed on the substrate so as to overlap one side of the coil of the winding printed or planar loop coil antenna
- a short-range wireless communication antenna module comprising a coiled coil antenna, wherein a magnetic field emitted from the planar loop coil antenna and the coiled coil antenna is emitted two-dimensionally or three-dimensionally.
- a short-range wireless communication antenna module comprising a coiled coil antenna, wherein a magnetic field emitted from the planar loop coil antenna and the coiled coil antenna is emitted two-dimensionally or three-dimensionally .
- a module having a SIM or SD wherein the first substrate installed on the surface opposite to the surface on which the SIM or SD contact terminals are formed, and the SIM or SD contact terminals are formed
- a planar loop coil antenna, a winding coil antenna wound around a magnetic plate so as to overlap one side of the coil of the planar loop coil antenna, and a planar loop coil antenna formed on the second substrate A short-range wireless communication antenna, wherein the two planar loop coil antennas and the magnetic field emitted from the wound coil antenna are emitted two-dimensionally or three-dimensionally Jules.
- a module having a SIM or SD the substrate having a contact terminal for an IC or an antenna terminal on the surface opposite to the surface on which the contact terminal of the SIM or SD is formed;
- An IC circuit unit formed and an antenna unit the antenna unit comprising a planar loop coil antenna formed on a magnetic material, and a wound coil antenna wound around the SIM or SD
- the planar loop antenna formed on the magnetic body is separable from the SIM or SD, and the magnetic field emitted from the planar loop coil antenna and the wound coil antenna is two-dimensionally or three-dimensionally.
- a short-range wireless communication antenna module which is emitted.
- An IC circuit unit, and the antenna unit is wound around a magnetic plate so as to overlap a planar loop coil antenna formed on the second substrate and a coil of the planar loop coil antenna.
- the winding coil antenna is configured, the winding coil antenna is placed on the first substrate, and the second substrate on which the antenna unit is provided is placed on the winding coil antenna.
- a short-range wireless communication antenna module wherein a magnetic field emitted from the planar loop coil antenna and the winding coil antenna is emitted two-dimensionally or three-dimensionally
- a short-range wireless communication antenna module according to any one of (1), (3), (4), and (6), wherein the winding is wound around a sheet-like magnetic plate.
- a plurality of windings of the coil antenna are formed by double-sided printing, plating, or etching, and through holes are formed to connect the conductive wires formed on both sides of the sheet-like magnetic plate.
- a method for manufacturing a short-range wireless communication antenna module comprising manufacturing a coil antenna.
- the short-range wireless communication antenna module according to any one of (1) to (6), and a portable terminal, wherein the portable terminal is hinged to a socket in which the short-range wireless communication antenna module is mounted.
- a system using the short-range wireless communication antenna module characterized in that the short-range wireless communication antenna module can be inserted even in an obliquely upward state.
- the present invention has a multi-directional magnetic field at a location where the metal surface of a portable terminal such as an SMP or tablet is not above or below, that is, at the top of the terminal where there is almost no board or battery, or at the position where the back cover is opened.
- DSD and DSIM which are short-range wireless communication antenna modules, it is possible to transmit multi-directional signal magnetic fields. By replacing this short-range wireless communication antenna module, security and applications can be freely selected. it can.
- the short-range wireless communication antenna which was considered difficult to realize due to the lack of performance due to downsizing and the influence of metal in the surrounding area, etc., is downsized and placed on the SD or SIM board FPC like a security IC chip. It is possible to provide a short-range wireless communication antenna module that can be formed as a small device that can be operated and that can be operated alone.
- the figure which shows the mounting position in the short distance wireless communication antenna module The figure which shows the joining position of the winding coil antenna and planar loop coil antenna of a near field communication antenna module
- the figure which shows the structure of DSD of a near field communication antenna module The figure which shows the structure of the near field communication antenna module
- the figure which shows the function of the near field communication antenna Diagram showing the manufacturing method of the antenna part Diagram showing DSIM component configuration
- the figure which shows the other component composition of DSIM Operational diagram of a mobile terminal equipped with a short-range wireless communication antenna module The figure for demonstrating the magnetic coupling of the portable terminal which equip
- the figure which shows the communication method of the portable terminal The figure which shows the mounting method to the portable terminal of the near field communication antenna module Illustration for explaining the influence of the metal surface Operation diagram of SMP equipped with two types of short-range wireless communication antenna modules Operational diagram of iPhone (registere
- FIG. 1 is an example in which two types of short-range wireless communication antenna modules 20 according to this embodiment are mounted on an SMP.
- the DSD (SD device) 2 and the DSIM (SIM device) 3 which are the short-range wireless communication antenna module 20 are an SMP, a mobile phone, a mobile terminal 1 including a tablet, a personal computer (PC), a camera, a television (TV), etc.
- a short-range wireless communication function having a multidirectional directional magnetic field is provided.
- the casing of the mobile terminal 1 such as an SMP or a mobile phone to which the short-range wireless communication antenna module 20 is attached is usually made of plastic.
- FIG. 1A and 1B show an arrangement of a short-range wireless communication antenna module 20 and a battery 12 having a metal surface Ma inside the SMP which is the portable terminal 1 when opened from the back side of the SMP.
- FIG. 1C shows an arrangement viewed from the surface of the mobile terminal 1 on the display 13 side.
- DSD2 and DSIM3 are provided with a thin substrate FPC (Flexible Printed Circuits) with a circuit formed on the surface of normal SD7 and SIM11, and the short-range wireless communication antenna unit and the IC circuit unit are integrated on the FPC surface. Module.
- FPC Flexible Printed Circuits
- SD7 used for DSD2 may be any SD memory card of normal size SD, miniSD, ⁇ -SD, and SIM11 used for DSIM3 may be any of normal size SIM, ⁇ -SIM, etc. But it ’s okay.
- SD7 used for DSD2 is assumed to be ⁇ -SD
- SIM11 used for DSIM3 is assumed to be a normal size SIM.
- DSD2 and DSIM3 which are short-range wireless communication antenna modules 20, are connected to a central portion CC or side portions SL, SR on the distal end side (upper side in the figure) formed of a plastic frame of the mobile terminal 1.
- DSD2 and DSIM3, which are short-range wireless communication antenna modules 20, are shown as rectangular modules installed in the central portion CC on the front end side of the portable terminal 1 such as SMP.
- the short-range wireless communication antenna of the short-range wireless communication antenna module 20 is installed upward in the drawing, and in FIG. 1B, the short-range wireless communication antenna of the short-range wireless communication antenna module 20 is installed. Is installed sideways.
- the short-distance wireless communication antenna section formed in the short-range wireless communication antenna module 20 includes a coiled coil antenna wound around a magnetic plate and a spiral shape on the flat portion of the magnetic plate, as will be described later. It is composed of two types of planar loop coil antennas wound around, and is installed on a substrate FPC attached to SD7 or SIM11.
- the short-range wireless communication antenna module 20 is inserted into the socket 10 provided in the central portion CC.
- both DSD2 and DSIM3 can be installed.
- the DSD2 and DSIM3 can be placed side by side or placed at a right angle as shown in FIG. 1B.
- the DSD2 can be installed on one side and the DSIM3 can be installed on the other side. .
- only one of the DSD 2 and the DSIM 3 may be attached.
- SD7 used as DSD2 has been used as an SD memory card, it can be used as a recording medium whose recording contents can be freely changed.
- the SIM 11 used as the DSIM 3 has been conventionally used for payment of mobile phone lines and IDs, public or public payment such as general payment, credit card payment, transportation fee payment, etc. Can be used for purposes close to. DSD2 can also be used for the same purpose.
- the tip side of the portable terminal 1 where the DSD 2 and DSIM 3 are installed is selected from a location where the periphery is formed of plastic and does not have a metal surface Ma such as a battery 12 or the like, and a multidirectional directional magnetic field output from the tip is selected. Arrangement that can be fully utilized is good. However, if the DSD2 or DSIM3 is installed in a place where this is not possible, fluctuations in the reach of the magnetic field, the spread of the magnetic field, etc. are affected, so it may be in the vicinity of external tags, communication terminals, reader / writers, etc. The communication distance by distance wireless communication changes.
- the loop coil antenna having a planar structure is devised to secure the magnetic path of the magnetic field by sandwiching the magnetic material on the metal surface side and to eliminate the influence of the metal surface Ma.
- the size of the short-range wireless communication antenna is increased, and the structure in which the short-range wireless communication antenna is attached to the back cover of the mobile terminal 1 is magnetic so as to escape from the influence of the metal surface Ma of the battery 12.
- the liquid crystal of the display 13 is not affected by the metal surface Ma of the battery 12.
- Surface-side near field communication is possible.
- the application of the mobile terminal 1 can be permanently installed while the application is running, which is very easy to use.
- a magnetic field spreading in multiple directions forward from the front end side of the mobile terminal 1 can be generated, for example, when a smart poster is installed in front of the SMP, Near field communication becomes easy.
- the short-range wireless communication antenna module 20 of the present invention having the short-range wireless communication function, it is possible to increase the practicality and convenience of downsizing, high functionality, and multipurpose of the device.
- a signal can be sent from the SMP to the smart poster SP reader.
- DSD2 and DSIM3 are drawn side by side on the tip side of the mobile terminal 1, but the tip side of the mounting position is made of a permeable plastic, so that it is close to the vertical direction in the figure.
- the distance wireless communication antenna module 20 is attached, there is no problem even if any of the short distance wireless communication antenna modules 20 is attached.
- the DSD2 and DSIM3 of the short-range wireless communication antenna module 20 shown in FIG. 2 are provided with a thin substrate FPC having a circuit formed on the surface of the normal SD7 and SIM11, and the short-range wireless communication antenna unit 8 and the IC on the FPC surface.
- the circuit unit 9 is incorporated and integrated.
- the short-range wireless communication antenna unit 8 includes a wound coil antenna 5 in which a conductive wire is wound around a magnetic plate 6, and a planar loop coil antenna 4 that is tightly coupled to the wound coil antenna 5.
- the IC circuit unit 9 includes an analog IC chip 9a having an analog processing function including an AFE (Analog Front End) circuit such as a short-range wireless communication function, an AC communication function, and an RF function using a short-range wireless communication antenna, a handset device, and an SD7.
- an interface IC chip 9b having an interface function which is a communication function with the SIM 11 main body
- a digital IC chip 9c having a digital processing function such as an application (AP) function, a security (SE) function, and an ID (individual identification) function.
- AP application
- SE security
- ID individual identification
- a short-distance wireless communication is performed by forming an antenna unit 8, an IC circuit unit 9, a connection terminal, and the like on a thin and flexible substrate FPC on which a circuit is formed, and affixing to the surface of a normal SD7 and SIM11.
- the antenna module 20 is formed.
- the substrate FPC includes a first substrate FPC (No. 1 FPC) attached to the surface of the SD 7 and the SIM 11, and the planar loop coil antenna 4. Even if circuits are respectively formed on the second substrate FPC (No. 2 FPC) formed on both sides, there is a feature that a thin substrate structure can be maintained.
- This short-range wireless communication antenna module 20 is inserted into the socket 10 of the portable terminal 1 such as SMP in the form of SD7 and SIM11 as a short-range wireless communication device (DNFC) having a short-range wireless communication function.
- the mobile terminal 1 can be operated in the tag mode, the R / W mode, and the PtoP (Peer to Peer) mode.
- FIG. 2 (c) shows a case where the coiled coil antenna 5 of FIG. 2 (a) is made into a coiled coil antenna 5a and a coiled coil antenna 5b which are orthogonal to each other, and FIG.
- the winding coil antenna 5 is wound around the coil antenna 5a and the coil antenna 5b.
- the planar loop coil antenna 4 and the wound coil antennas 5a and 5b have a three-dimensional structure.
- the coiled coil antenna 5 wound on the planar loop coil antenna 4 and the magnetic plate 6 is tightly coupled at the front coil portion, and FIG. In b), the planar loop coil antenna 4 and the wound coil antenna 5 are tightly coupled at the rear coil portion.
- a portion of the conductors of the two coils is superposed closely on magnetic plate 6, to form a coupling field Hc in the junction, the closer the distance between the superimposed coils, less mutual coupling M 12 loss can get.
- the planar loop coil antenna 4 is affixed to the wound coil antenna 5 so as to be tightly coupled in an insulated state, and even if one of them is unpowered, it is fed by the action of the resonance circuit by the coupling magnetic field Hc.
- the short-range wireless communication coil antenna wound in the direction can form a vertical magnetic field Hv in the vertical direction and a horizontal magnetic field Hh in the horizontal direction in conjunction with each other.
- the coupling of both coils is almost performed at this overlap portion.
- the distance between the two coils is about 10 ⁇ m
- the mutual coupling M 12 is 0.04 to 0.05 ⁇ H, and the coils are brought into close contact with each other even when such small antennas are coupled to each other.
- sufficient power can be transmitted to the planar loop coil antenna 4 as well.
- the short-range wireless communication antenna module 20 shown in FIG. 3 will be described with a configuration in which the SD 7 used for the DSD 2 is a small ⁇ -SD.
- the short-range wireless communication antenna module 20 has a configuration in which a substrate FPC on which an antenna section 8 for short-range wireless communication and an IC circuit section 9 that performs necessary processing are mounted is mounted on the surface of the SD 7. .
- the IC circuit unit 9 includes an analog IC chip 9a such as an AFE circuit, an interface IC chip 9b that communicates with a handset device or a module body, and digital such as main security (SE), application (AP), and ID. It is composed of an IC chip 9c and other connection terminal portions.
- FIG. 3A shows a DSD 2 having a structure in which the components of the antenna unit 8 and the IC circuit unit 9 of the short-range wireless communication antenna module 20 are placed on the board FPC surface and integrated with the SD 7. The case where it fits in is shown.
- FIG. 3B shows a configuration in which the antenna unit 8 and the IC circuit unit 9 do not fit on the surface of the substrate FPC mounted on the SD 7, and the wound coil wound around the planar loop coil antenna 4 and the magnetic body 6.
- the DSD 2 having a structure in which the antenna unit 8 integrated with the antenna 5 is separated and connected to the IC circuit unit 9 of the substrate FPC mounted on the SD 7 body via the connection pin P and the connector T is shown. . By inserting the pin P of the antenna unit 8 into the connector T on the SD7 side, the DSD2 integrated with the SD7 is obtained.
- the structure in which the antenna unit 8 is separable shows an example in which the antenna unit 8 can be added as necessary while maintaining the size of SD7 (particularly ⁇ -SD).
- the larger the antenna the better the coupling with the short-range wireless communication antenna of the external device and the longer the communication distance.
- the integrated short-range wireless communication antenna module 20 is configured, there is a structural restriction that all parts must be accommodated in the size of SD7.
- the wound coil antenna 5 can be integrated by winding the coil with the SD7 body as the magnetic plate 6, the planar loop coil antenna 4 forms a loop coil on the plane, Some size is required. Therefore, when SD7 is ⁇ -SD, it is difficult to secure the installation surface of the board FPC on which all the component parts are mounted on the surface of SD7. In view of this, the structure in which the idea is changed and the antenna unit 8 and the IC circuit unit 9 combined with two short-range wireless communication antennas have an advantage that the small SD7 can be used effectively.
- the antenna unit 8 can be miniaturized. Therefore, the antenna unit 8 can be miniaturized as shown in FIG. -It is possible to construct a DSD 2 with all the functions by mounting a substrate FPC with all components placed on the surface of the SD 7 using SD.
- the surface of the SIM11 can secure a sufficient size necessary for installing the antenna unit 8 in which two short-range wireless communication antennas are combined. It is easy to configure the short-range wireless communication antenna module 20 integrated with the SIM 11 by mounting the board FPC on which all the components of the IC circuit unit 9 are mounted.
- the configuration of the short-range wireless communication antenna module 20 in which the substrate FPC on which the antenna unit 8 and the IC circuit unit 9 are actually mounted, the SD 7 and the SIM 11 are integrated, and the function of the antenna unit 8 will be described with reference to FIG. .
- FIG. 4A shows a DSD 2 in which the substrate FPC is configured so that the SD 7 body is used as the magnetic plate 6 of the antenna unit 8.
- SD7 is a ⁇ -SD having a thickness of 0.3 to 0.5 mm (300 to 500 ⁇ m), a width of about 9 mm, and a length of about 4 to 15 mm.
- a coil of 0.08 to 0.1 m ⁇ is wound about 14 to 22 (average 15) times to form the coil antenna 5, A horizontal magnetic field Hh is generated.
- a planar loop coil antenna 4 of a rectangular coil of about 9 mm ⁇ 9 to 10 mm square is formed by winding about 6 times with a multilayer substrate pattern or coil, and is formed on the upper surface of the wound coil antenna 5 wound around the SD7 body.
- a vertical magnetic field Hv can be generated even without power supply, and an inductance of about 1 to 2 ⁇ H can be obtained.
- the planar loop coil antenna 4 is wound 4 to 8 times, constitutes a resonance circuit with the inductance and the external capacitor C, and is supplied with power by resonance. In this way, the number of turns of the planar loop coil antenna is reduced with respect to the number of turns of the coil of the wound coil antenna, and the current coupling ratio is increased to increase the magnetic field strength of the planar loop coil antenna. Yes.
- FIG. 4B shows a configuration of the DSIM 3 using the SIM 11 body as the magnetic plate 6.
- the standard SIM 11 has a thickness of 0.3 to 0.5 mm (300 to 500 ⁇ m), a width of about 14 mm, and a length of about 10 to 15 mm.
- the SIM 11 body is used as the core of the magnetic plate 6 of the antenna unit 8, and the wound coil antenna 5 is formed by winding a coil of 0.08 to 0.1 m ⁇ around the SIM 11 body.
- planar loop coil antenna 4 having a rectangular coil of about 14 mm ⁇ 14 mm square is wound about 4 to 10 (average 6 to 8) times with a multilayer substrate pattern or coil, and is wound or placed on the upper surface of the coil antenna 5.
- a vertical magnetic field Hv can be generated without power supply, and an inductance of about 1 to 2 ⁇ H can be obtained.
- the planar loop coil antenna 4 has a structure in which the inductance and the external capacitor C are connected to form a resonance circuit, and power is supplied by resonance.
- the increase can be realized and the magnetic fields Hh and Hv orthogonal by resonance can be generated without loss.
- FIG. 4 (c) and 4 (d) show windings wound around the planar loop coil antenna 4 formed on the substrate FPC and the independent magnetic plate 6 in the antenna unit 8 of the short-range wireless communication antenna module 20.
- the coils When both antennas are brought into close contact with each other, the coils may be bonded so as to overlap each other on the front side or the rear side of the planar loop coil antenna 4.
- insulation between the two antennas is done with a register sheet or coating. It must be done so that the conductors of both coils are not short-circuited in the middle.
- the winding coil antenna 5 wound around the independent magnetic plate 6 is configured to be tightly coupled to one side on the rear side of the planar loop coil antenna 4.
- one side of the front side of the planar loop coil antenna 4 and the winding coil antenna 5 are configured to be tightly coupled.
- planar loop coil antenna 4 when the planar loop coil antenna 4 is constituted by 6 turns, loop coils of 3 turns are formed on the upper and lower surfaces of the substrate FPC, respectively, as shown in FIG. If connected by holes, the planar loop coil antenna 4 continuous on both surfaces of the substrate FPC can be formed. In this case, only one of the planar loop coil antenna 4 and the winding coil antenna 5 is in close contact with each other, so that not only the inductance increases and the coupling magnetic field Hc increases, but also the planar loop coil antenna 4 is formed on the upper and lower surfaces.
- the effective area of 4 can also be taken large. Even if the shape is small and the thickness is 0.3 mm, the effect of not being affected by the metal surface can be obtained, unlike the case where a general large antenna is mounted on a magnetic body.
- FIG. 4E shows a short-range wireless communication antenna module 20 mounted on a substrate FPC on which only the IC circuit unit 9 is formed by separating the winding coil antenna 5 and the antenna unit 8 of the planar loop coil antenna 4. An example is shown.
- the short-range wireless communication antenna module 20 is formed by integrating the independent antenna unit 8 placed on the left side of the substrate FPC and the IC circuit unit 9 formed on the right side.
- FIG. 4 (f) is a diagram showing an outline of the circuit configuration of the short-range wireless communication antenna module 20, and includes an antenna unit 8 and an IC circuit unit 9 that output two orthogonal magnetic fields Hv and Hh.
- the planar loop coil antenna 4 of the antenna unit 8 is parasitic and is placed so that the coil and the resonance capacitor C resonate and generate a vertical magnetic field Hv in the vertical direction.
- the coils are placed close to each other so as to be closely coupled.
- the winding coil antenna 5 of the antenna unit 8 has a structure wound around the magnetic plate 6 and creates a strong horizontal magnetic field Hh in the axial direction of the coil in the longitudinal direction of the magnetic plate 6.
- the relative permeability of the magnetic body 6 is ⁇ r and the winding ratio of the coil antenna 5 is n2 / n1
- the current is doubled and the magnetic field (Hh, Hv) is increased
- the Q of the resonance coil is increased. (Q1, Q2), etc.
- the relative permeability ⁇ r of the magnetic plate 6 is close to 200, the actual effective relative permeability ⁇ er is about 7 to 15.
- an image effect of the metal surface is added to create a strong magnetic flux in the axial direction of the magnetic plate 6 and the influence of the metal surface can be reduced.
- a resonance capacitor C is wound around and connected to the coil antenna 5 so that no power feeding is possible.
- the antenna surroundings may be made of plastic that allows the magnetic field to pass in any direction as much as possible
- the antenna can be easily secured and the usability is improved.
- the IC circuit unit 9 is an analog IC for analog processing including a resonance circuit for supplying power to the antenna unit 8, a matching circuit CP with the antenna unit 8 including a filter inductance, an AFE that controls AC communication, a load switching circuit LS, and the like.
- the interface IC chip 9b for data conversion, such as an interface HIC that performs communication processing, is configured by a plurality of ICs, or is integrated into one IC.
- the wiring of the IC circuit unit 9 is connected by soldering or the like after mounting an IC chip on an FPC in which a circuit pattern is formed in advance.
- the SIM 11 includes an internal circuit such as an SWC (Single Wire Protocol) or WL (Wireless) that performs communication processing with an IC chip or short-range wireless communication, and DSD2 Similarly, in the case of, the protocols such as SWP and WL are processed in SD7 as standard specifications.
- SWC Single Wire Protocol
- WL Wireless
- FIG. 5A shows a case where the planar loop coil antenna 4 is placed on the xy-axis plane and a vertical magnetic field Hv in the z-axis direction is generated.
- FIG. 5B shows a case where the loop coil antenna 5 is placed around the zx-axis plane and a horizontal magnetic field Hh is generated in the y-axis direction. Furthermore, if the loop coil antenna 5 is rotated 90 ° horizontally and arranged on the zy-axis plane, a horizontal magnetic field Hh is generated in the x-axis direction. In the configuration in which two short-range wireless communication antenna modules 20 are installed, a magnetic field can be radiated in three directions.
- a magnetic field is generated in three directions (x-axis direction, y-axis direction, and z-axis direction) by arranging the loop coil antenna on any of the xy-axis plane, the zx-axis plane, and the zy-axis plane. Therefore, it is possible to form a two-dimensional or three-dimensional multi-directional magnetic field that generates a magnetic field in any direction by configuring the winding directions of the two coils to be orthogonal.
- the short-range wireless communication antenna of the reader device is configured by the planar loop coil antenna 4 and a magnetic field is generated only in one direction
- the short-range mounted on the mobile terminal 1 such as a mobile phone or SMP.
- the antenna unit 8 of the wireless communication antenna module 20 may be configured to form a two-dimensional or three-dimensional multidirectional magnetic field.
- a portable terminal 1 such as a desk reader or tag, a wall reader or tag, or SMP without changing the direction in which the portable terminal 1 is directed
- a magnetic field is generated in either direction. Therefore, short-range wireless communication with an external device is possible from any direction.
- the short-range wireless communication antennas in the figure are each displayed with one turn, but the basic magnetic field directions (Hh, Hv) do not change even when there are multiple turns.
- FIG. 5D shows a case where the planar loop coil antenna 4 and the wound coil antenna 5 which are orthogonal to each other are connected in parallel.
- FIG. 5 (e) shows a case where the planar loop coil antenna 4 and the wound coil antenna 5 are connected in series.
- FIG. 5 (f) in the planar loop coil antenna 4 and the winding coil antenna 5 which are orthogonal to each other, power is supplied to one winding coil antenna 5, and the other planar loop coil antenna 4 is not fed.
- a case is shown in which operation is performed in conjunction with a parasitic resonance circuit of a capacitor C and a coil by electromagnetic coupling. This indicates that even if either of the short-range wireless communication coil antennas to be fed is used, both antennas can be operated together by matching the resonance circuit of the capacitor C and the coil. .
- ⁇ Method of manufacturing a wound coil antenna> 6 (a) and 6 (b) show a manufacturing method for forming a continuous winding coil antenna 5 pattern on both sides of the magnetic plate 6 by printing, plating or etching.
- Through holes TH are perforated at equal pitches in the longitudinal direction at intervals of the lateral width (about 14 to 15 mm) of the magnetic plate 6 on the front and back surfaces of the sheet-like magnetic plate 6 to connect the through holes TH.
- the conductive ink is coated to form a uniform-width conducting wire.
- the conductive ink line When forming the conductive wire on the surface, the conductive ink line may be drawn in a straight line by connecting the through holes TH at the same upper and lower positions shown in FIG.
- the conductive wire on the back surface is connected to the through hole TH at a position shifted by one pitch when connecting the upper and lower through holes TH with the conductive wires as shown in FIG. 6B.
- the conductive ink must be painted diagonally.
- the pitch interval of the through holes TH is determined by the line width and the width of the insulating material, but it is better not to widen the pitch width so that the angle of the conductive wire on the back surface connecting the through holes TH at the position shifted by one pitch is not so large. . Also, when the number of turns and turns increases, it is better to reduce the line width so that the stray capacity (stray capacity) between the upper and lower metal surfaces and the adjacent coil is increased and the inductance is not reduced. .
- the diameter of the through hole TH is given a little width, and it is made so that the coil is continuous as a conductive wire that connects the upper and lower wires by imprinting conductive ink on it or filling it with plating.
- a plurality of wound coil antennas 5 can be manufactured by dividing the through hole TH in half along the through hole TH. The individual coiled coil antennas 5 are trimmed by matching one of the corners with the shape of the DSIM 3 and trimming the corners.
- the magnetic plate 6 has through holes TH on the surface of a magnetic sheet having a thickness of 0.3 to 0.5 mm, and serves as a connection point between both sides of the magnetic body.
- a plurality of holes are punched at an interval of 14 to 15 mm, wound around the upper and lower surfaces by conductive ink, plating or etching, and the coil pattern is drawn.
- the antenna wire of the rotating coil antenna 5 is formed to be connected by the conductive metal of the through hole TH.
- the pattern on the back surface of the wound coil antenna 5 shown in FIG. 6B is the pattern of the antenna line connected by shifting one side of the through hole TH connecting the upper and lower surfaces of the sheet-like magnetic plate 6 downward by one pitch.
- the pattern on the front surface and the pattern on the back surface are connected through the through hole TH to form a continuous coil antenna 5 having a predetermined number of turns.
- the upper and lower conductive halves remain on the upper and lower surfaces so that the upper and lower conductive halves remain so as to be separated from the middle of the through hole TH.
- the individual winding coil antennas 5 are formed by cutting the magnetic plate 6 in a state where the continuity is maintained.
- FIGS. 6 (a) and 6 (b) shows an insulating coating R (insulating coating film or insulating film) on the wound coil antenna 5 wound around the magnetic plate 6 formed by the manufacturing method shown in FIGS. 6 (a) and 6 (b).
- insulating coating R insulating coating film or insulating film
- connection pin P is formed so that it can be connected to the substrate FPC by solder, conductive paint, printing, etc. as necessary, and a capacitor C for parasitic resonance is connected to the connection pin P Or be able to supply power directly.
- FIG. 6 (d) is a side view of FIG. 6 (c) and shows a state in which the planar loop coil antenna 4 is directly printed on the insulating coating R serving as an insulating layer on the wound coil antenna 5.
- FIG. The antenna coils are stacked with the insulating coating R interposed therebetween so as to be tightly coupled by a magnetic field.
- An example of an antenna unit 8 is shown in which a coil antenna 5, an insulating coating R, and a planar loop coil antenna 4 are formed on an independent magnetic plate 6 by printing, painting, baking, plating, or the like.
- FIG. 6E shows the DSIM3 as an example, on the substrate FPC attached to the SIM 11, the antenna section shown in FIG. 6C, the unlog IC chip 9a of the IC circuit section 9, the interface IC chip 9b, and the digital IC chip. It is a component block diagram which shows mounting
- FIG. 7 shows a structure of each antenna unit 8 and an example of mounting an IC chip and circuit parts of the IC circuit unit 9 in the case of DSIM3 and FIG. 8 in the case of DSD2. .
- a DSIM 3 shown in FIG. 7A includes a substrate FPC and a magnetic plate 6 placed on the surface of the SIM 11 on the side without the contact terminal CT, and a wound coil antenna 5 formed on the magnetic plate 6.
- 1 shows a schematic configuration of component mounting of a planar loop coil antenna 4 and an IC circuit unit 9 formed on a substrate FPC.
- connection terminal pins P1 and P2 for the winding coil antenna 5 and the connection to the substrate FPC are created in advance on the surface of the magnetic plate 6 by printing, plating, or etching.
- the coils are cross-over connected by close coupling or are supplied with power, the coils are connected so as to be electrically connected to the terminal connectors T1 and T2 of the board FPC when the coils are placed on the board FPC.
- the connection between the terminal pins P1 and P2 of the wound coil antenna 5 and the terminal connectors T1 and T2 of the board FPC can be made by any method such as bonding, soldering, and printing.
- the circuit pattern of the substrate FPC is designed in consideration of the configuration of components such as an IC chip, the configuration of the upper and lower planar loop coil antenna 4 and the arrangement of the through holes TH including the circuit wiring, etc.
- a circuit pattern is created. After positioning and affixing the planar loop coil antenna 4 formed on the substrate FPC and the coil antenna 5, the IC chip and the components are mounted and bonding and connection of the components are performed at once by soldering, etc. If this is placed on the SIM 11 and molded, it can be manufactured as a finished product of DSIM3.
- each IC chip is created with an IC chip of about 5 mm square, and an analog IC chip 9a for short-range wireless communication such as AFE or logic circuit, security
- an IC chip 9c for application including SE and an IC chip 9b such as an interface IF it can be divided according to the processing of the analog section and the digital section or integrated into one IC chip. Space can be used effectively.
- the IC chip mounted on the substrate FPC may have to have a multilayer structure.
- the IC chip mounted on the substrate FPC may have to have a multilayer structure.
- FIG. 7B shows the back side when the DSIM3 is turned upside down.
- the SIM 11 is provided with eight contact terminals CT for external connection.
- the terminal connectors T1 and T2 for the planar loop coil antenna 4 are used as RF terminals, the contacts necessary for connecting to the outside are provided.
- the terminal CT may be six terminals, but if it is desired to use an antenna terminal or an analog terminal for some purpose, this RF terminal can be used.
- FIG. 7C shows a state before the components of the coil antenna 5 and the IC circuit unit 9 are mounted on the substrate FPC of the DSIM 3 and molded or encapsulated.
- the wound coil antenna 5 wound around the magnetic plate 6 is mounted on a substrate FPC having a thickness of 0.09 to 0.1 mm (90 to 100 ⁇ m), and other necessary components are used as an IC chip as an IC circuit unit. 9 is summarized.
- FIG. 7D shows a case where the planar loop coil antenna 4 is formed on the DSIM 3 having the substrate FPC using a polyamide or a thin epoxy substrate.
- a flat coil of 4 turns is formed on both surfaces of the substrate FPC, and a flat loop coil antenna 4 of 8 turns is formed on the upper and lower surfaces by connecting the upper and lower conductive wires with a short hole Sh.
- a resonance capacitor C is connected.
- the inductance increases when the magnetic plate 6 is placed on one side, the number of turns of the planar loop coil antenna 4 is reduced as compared with the case of being hollow.
- FIG. 7E shows a wound coil antenna 5 in which a coil is wound around an independent magnetic plate 6.
- the winding coil antenna 5 can be produced in large quantities by printing, plating or the like as described with reference to FIG.
- the winding coil antenna 5 is overlapped with and joined to the planar loop coil antenna 4 formed on the substrate FPC of the DSIM 3 to form an antenna unit 8 that generates a directional magnetic field in multiple directions. can do.
- a DSD 2 shown in FIG. 8A is a magnetic plate 6 in which the planar loop coil antenna 4 of the antenna unit 8 is formed on the substrate FPC attached to the SD 7, and the coil antenna 5 is wound around the planar loop coil antenna 4.
- SD7 used for DSD2 is an example in which a small ⁇ -SD having a thickness of about 0.3 to 0.5 mm and a size of about 9 mm ⁇ 9 to 12 mm is used.
- the method of creating the wound coil antenna 5 is almost the same as the method of making shown in FIG.
- the ends of the wiring of the wound coil antenna 5 are connected to terminal pins P1 and P2 formed on the magnetic plate 6, and are attached so as to be connected to terminal connectors T1 and T2 formed on the substrate FPC of SD7.
- the connection method may be connected by bonding, printing, soldering, or the like.
- the planar loop coil antenna 4 formed on the substrate FPC of the DSD 2 is smaller than that of the DSIM 3.
- the IC circuit unit 9 mounted on the board FPC has the same circuit configuration as the short distance wireless communication and the like as the DSIM 3, and has the common points, but the interface and communication specifications with the main body of the mobile terminal 1 such as SMP or mobile phone. Is in conformity with the SD7 specification.
- FIGS. 8 (b) and 8 (d) show diagrams when the DSD 2 is turned upside down.
- a loop coil on one side of the planar loop coil antenna 4 is formed on the left side, and a contact terminal CT connected to the main body side socket of the mobile terminal 1 is formed on the right side.
- FIG. 8C is a diagram showing a DSD 2 in which SD 7 is integrated with a substrate FPC on which components such as an IC chip of an antenna section 8 and an IC circuit section 9 for adding a short-range wireless communication function are mounted.
- the manufacturing method is almost the same as in the case of DSIM3.
- FIG. 8 (e) when the SD7 is made of a small module compressed like ⁇ -SD, the size of the short-range wireless communication antenna may not be secured.
- An example in which the planar loop coil antenna 4 of the antenna unit 8 has a divided structure for the DSD 2 will be described.
- FIG. 8 (f) is a side view of the DSD 2 having the divided structure shown in FIG. 8 (e).
- pins P and plugs are provided on the divided flat loop coil antenna 4 side
- connectors T, sockets, etc. are provided on the main body side
- the flat loop coil antenna 4 of the divided antenna portion 8 is added to the SD7 main body. This is an example of the structure.
- the divided planar loop coil antenna 4 has a parasitic resonance (resonant antenna).
- the connection pin P and the connector T are merely connection portions for fixing, and are not used for electrical conduction.
- FIG. 8G shows a structure in which the wound coil antenna 5 is divided and the magnetic plate 6 is bent in an L shape.
- the antenna portion 8 protrudes. Therefore, the protruding portion can be reduced by bending and winding the magnetic plate 6 of the antenna portion 8 and winding the coil antenna 5.
- the mounting pin P and the connector T are electrically connected and supplied with power.
- FIG. 8 (h) is an example of a structure in which a hinge is provided on the magnetic body plate 6 of the coiled coil antenna 5 having the divided structure shown in FIG. 8 (g) and the angle can be freely bent.
- the structure for dividing the antenna unit 8 is not limited to the ⁇ -SD, and can also be used in the ⁇ -SIM.
- FIG. 9 shows another configuration example of the antenna unit 8, in which the planar loop coil antenna 4 is connected to the second substrate No. 2. It is formed on 2FPC by etching. Using this planar loop coil antenna 4 as a resonant antenna, a resonant chip capacitor C is connected to the second substrate No. 2. It is mounted on 2FPC and operated without power supply.
- the planar loop coil antenna 4 has a first substrate No. 1 on the terminal side. It is arranged not on the 1FPC side but on the side without the metal surface on the opposite side with the magnetic plate 6 in between.
- FIG. 9 (a) shows the configuration of the short-range wireless communication antenna module 20
- FIG. 9 (b) is a side view of the short-range wireless communication antenna module 20 viewed from the side
- the resonant chip capacitor C is disposed on the back side of the 2FPC plane loop coil antenna 4 formation surface.
- the planar loop coil antenna 4 is placed on the magnetic plate 6, and the resonance chip capacitor C is connected to the second substrate No. 2.
- projections are prevented from being generated on the upper part of the short-range wireless communication antenna module 20.
- Each substrate is bonded to each other through an insulating coating R (adhesive sheets Ba, F).
- Second board No. 2FPC uses the first substrate No. 1 for parasitic resonance with coils. It is not necessary to connect to 1FPC. 1FPC, second substrate No. 1 2FPC may be connected by bonding.
- the number of turns of the planar loop coil antenna 4 is 3 turns on one side in the case of SIM11, 6 turns on both sides, and 5 turns on one side and 10 turns on both sides in case of SD7.
- planar loop coil antenna 4 is formed on both the upper and lower sides of the substrate FPC, either side of the substrate FPC operates as an antenna regardless of which side the metal surface Ma exists. It can also be configured to be able to.
- FIG. 9D the terminals P1 and P2 of the wound coil antenna 5 are connected to the first board No.
- This shows a method of connecting to terminal connectors T1 and T2 of 1FPC, and shows a method by wire bonding. Since the magnetic material thickness is about 0.3 to 0.4 mm, wire bonding may be used.
- the structure in which bumps and pads are provided on the terminal pins P1 and P2 of the coil antenna 5 that is wound around the magnetic plate 6 is one of the face down methods for connecting to the substrate FPC. It is a configuration called.
- the flip-chip method is a method of mounting directly on the substrate FPC.
- the connection electrode is formed with bump electrode pins P called bumps, and the electrode pins P are directly pressed against the electrode connector T of the substrate FPC. Connecting.
- FIG. 10 shows the mounting position of the short-range wireless communication antenna module 20 (DSD2, DSIM3) of the present invention having the antenna portion 8, and the magnetic field distribution by the planar loop coil antenna 4, the winding coil antenna 5, and the magnetic plate 6. And the positional relationship between the corresponding tag Tg and the reader / writer R / W during use.
- the signal from the short-range wireless communication antenna module 20 built in the portable terminal 1 such as SMP is mainly from the planar loop coil antenna 4. It is conveyed to the vertical magnetic field Hv and communicated.
- the mobile terminal 1 operates in the IC card emulation mode or the tag mode.
- the portable terminal 1 such as SMP is used as the reader / writer R / W
- the IC card 21 and the tag Tg approach upward, so that the upward vertical magnetic field Hv is used, and the upward perpendicular magnetic field Connect with Hv for communication.
- the IC card 21 or the tag Tg When using a conventional SMP or mobile phone in the R / W mode, the IC card 21 or the tag Tg must be placed and the back side of the SMP or the like as the reader / writer R / W must be placed over the IC card 21 or tag Tg. Was the way. Therefore, in the conventional SMP, mobile phone, etc., although the R / W mode can be used, the actual use state is not assumed.
- the vertical magnetic field Hv is sufficiently formed in the liquid crystal surface direction of the display 13 of the mobile terminal 1. Reading can be performed by holding the IC card 21 or the tag over any position.
- the communication distance of the display 13 is slightly reduced, but compared to the lower distance. Therefore, there is no problem because the communication distance is shortened by about 1 cm.
- the method using the vertical magnetic field Hv can use the portable terminal 1 such as SMP on both the front and back surfaces of the liquid crystal side, the front and back sides of the mobile phone 1 are particularly sensitive when passing through the gate of the ticket gate quickly. It is convenient for passing through traffic ticket gates.
- the mobile terminal 1 is incorporated in the front smart poster SP while keeping the mobile terminal 1 horizontal without being sideways. Since the communication with the tag Tg and the reader / writer R / W antenna can be performed, the flexibility of communication with the front is further increased.
- the short-range wireless communication distance is almost the same in all three directions, but the closer the position where the short-range wireless communication antenna module 20 (DSD2, DSIM3) is installed is to the front end side of the mobile terminal 1, the longer the communication distance is. Can do. Therefore, the position where the short-range wireless communication antenna module 20 is attached should be close to the edge surrounded by the plastic portion Pla at the tip.
- the magnetic field H of the antenna is affected by the presence or absence of the metal surface Ma of the mobile terminal 1.
- communication is also possible if one of the sides operates by utilizing the configuration of the planar coil antenna 4 and the wound coil antenna 5 formed on both upper and lower surfaces. Even when the upper and lower planar coil antennas 4 do not operate, the winding coil antenna 5 operates, and the magnetic field H can pass through the space between the metal surfaces Ma to perform communication.
- FIG. 11A shows a case where DSD2 and DSIM3 of two types of short-range wireless communication antenna modules 20 of the present invention are used in parallel.
- ⁇ -SD7 and SIM11 are replaceable modules and can be freely replaced according to the user's purpose of use.
- the DSIM3 and DSD2 of the short-range wireless communication antenna module 20 incorporating the application function can be used in the SIM11 or ⁇ -SD7 adapted to the situation of the country to be used.
- FIG. 11B shows an example in which the short-range wireless communication antenna module 20 is installed horizontally on the front end side of the mobile terminal 1, and even this arrangement can be used without any problem.
- FIG. 12 will be used to explain in detail the case where the portable terminal 1 such as SMP is used in the card emulation mode or the tag mode.
- FIG. 12A shows a normal use method. Although the size of the short-range wireless communication antenna is different, the antenna unit 8 of the short-range wireless communication antenna module 20 and the short-range wireless communication antenna of the reader / writer R / W are shown. Enough to bond.
- FIG. 12B shows a case where the portable terminal 1 such as SMP is turned upside down and the liquid crystal surface side of the display 13 is directed downward. Even in this case, the reader / writer R / W is sufficiently close to the reason described above. Communication with a range wireless communication antenna is possible.
- FIG. 12 (c) shows a case where communication is performed by giving a predetermined angle ⁇ to the reader / writer R / W.
- the portable terminal 1 such as an SMP or a mobile phone is held over the reader / writer R / W, it is assumed that the finger enters the downward direction at an angle ⁇ 15 °.
- FIG. 12 (d) shows a case where the portable terminal 1 such as SMP is placed sideways over the reader / writer R / W. Also in this case, the magnetic field of the wound coil antenna 5 and the short-range wireless communication antenna of the reader / writer R / W can be coupled without any problem. When it is desired to form a magnetic field in this direction more, one of the paired orthogonal coils is coupled to one side of the planar loop coil antenna 4 as shown in FIG. When a resonance capacitor C is attached, a strong magnetic field can be obtained. The structure is omitted because it suffices to further wind the orthogonal coil so as to wind the coil antenna 5 around the coil antenna 5.
- FIG. 12 (e) shows a case where the short-range wireless communication antenna module 20 of the present invention is mounted sideways. With this configuration, a strong magnetic H can be obtained in the sideways direction.
- FIG. 13 shows an example of use when communication is performed with a smart poster SP mounted on a wall or the like, a tag Tg built in an advertisement display or the like, or a short-range wireless communication antenna of a reader / writer R / W.
- Communication with the smart poster SP is performed with the horizontal magnetic field Hh of the short-range wireless communication antenna module 20 while the portable terminal 1 such as SMP is kept sideways, and the operation is confirmed on the liquid crystal surface of the display 13 of the portable terminal 1 while communicating. It can be performed.
- FIG. 14 shows a usage example when the mobile terminal 1 such as SMP is used in the R / W mode or the PtoP mode between the mobile terminals 1.
- FIG. 14A shows a case where a magnetic field is radiated only downward from the mobile terminal 1.
- the non-contact IC card 21 is read while holding the portable terminal 1, and this involves an unnatural operation of holding the portable terminal 1 such as SMP as a reader / writer R / W.
- the short-range wireless communication antenna module 20 of the present invention can of course be used in this manner.
- the portable terminal 1 equipped with the short-range wireless communication antenna module 20 has an R / W
- the operation of the mode can be operated while looking at the instructions on the liquid crystal surface of the display 13 and the data of the non-contact IC card 21 can be read.
- FIG. 14B shows a case where only the back surface communication using the conventional short-range wireless communication antenna technology is possible, and the liquid crystal surfaces of the display 13 of each portable terminal 1 face opposite to each other.
- the liquid crystal surface of the display 13 of the lower mobile terminal 1 is invisible.
- the liquid crystal surface of the downward display 13 cannot be seen, so the operation cannot be confirmed and cannot be used.
- FIGS. 14C and 14D show a case of PtoP operation in which portable terminals 1 such as an SMP or a tablet having the short-range wireless communication antenna module 20 communicate with each other. Both portable terminals 1 can be used in the R / W mode with the display 13 facing upward, without worrying about the operation of each other, and always looking at the liquid crystal surface of the display 13 and communicating. You can rest assured because you can check and operate.
- portable terminals 1 such as an SMP or a tablet having the short-range wireless communication antenna module 20 communicate with each other.
- Both portable terminals 1 can be used in the R / W mode with the display 13 facing upward, without worrying about the operation of each other, and always looking at the liquid crystal surface of the display 13 and communicating. You can rest assured because you can check and operate.
- the short-range wireless communication antenna unit 8 and the IC circuit unit 9 can be accommodated in the SIM size, but in the case of SD7, the size of the antenna unit 8 must be slightly increased. It may not be possible.
- the antenna unit 8 and the IC circuit unit 9 are accommodated in the standard size ⁇ -SD, the antenna unit 8 may be too small to obtain a target communication reach distance. In some cases, it may be necessary to increase the power supply voltage applied to the analog IC chip of the short-range wireless communication antenna module 20 or both.
- the portable terminal 1 must have a structure that can accommodate the short-range wireless communication antenna module 20 and that can be easily attached and detached.
- the socket 10 of the mobile terminal 1 connected to the contact terminal CT of the short-range wireless communication antenna module 20 is movable so that the end is lifted when the short-range wireless communication antenna module 20 is inserted. There is a way to structure.
- a structure that can be easily inserted can be realized by attaching a hinge to the socket 10 into which the short-range wireless communication antenna module 20 is inserted and connecting the main body with a flexible cable. Even after the short-range wireless communication antenna module 20 is inserted, the insertion stroke has a width so that the mounting surface is flat when the socket 10 is returned to the original position even when it becomes longer than the standard ⁇ -SD.
- a stopper is attached to the hinge so that the short-range wireless communication antenna module 20 can be fixed. When the fixed short-range wireless communication antenna module 20 is taken out, the shaving groove 14 may be provided so that the nail enters.
- FIG. 15B shows a structure in which the slit groove 15 for inserting the DSD 2 or DSIM 3 of the short-range wireless communication antenna module 20 is attached, and the DSD 2 or DSIM 3 is slid along the slit groove 15. .
- the short-range wireless communication antenna module 20 will not fall off if it has a structure in which a fixing lid can be attached.
- FIG. 16 illustrates a special case.
- the short-range wireless communication antenna module 20 is disposed in the metal-free portion on the front end side of the mobile terminal 1.
- this is an example of use when the mobile terminal 1 has to insert the short-range wireless communication antenna module 20 in a special place where the metal surface Ma exists in the vicinity.
- the DSD 2 or DSIM 3 of the short-range wireless communication antenna module 20 must be attached so that the magnetic plate 6 can be disposed between the planar loop coil antenna 4 and the metal surface Ma.
- planar loop coil antenna 4 is made of a coil or a loop coil pattern by printing or the like is free, but the arrangement of the planar loop coil antenna 4 depends on whether the surface of the contact terminal CT comes up or down. It must be set separately above or below.
- the planar loop coil antenna 4 secures a magnetic path so that the contact terminal CT on the opposite side is sandwiched between the magnetic plate 6 and the module (SD11 or SIM7). Must be placed on the side.
- 16A shows the arrangement of the planar loop coil antenna 4 in the case of DSIM3 and FIG. 16B shows the arrangement in consideration of the metal surface Ma.
- FIG. 17 shows an example of communication between the short-range wireless communication antenna and the reader / writer R / W in the case where both the DSD2 and DSIM3 modules of the short-range wireless communication antenna module 20 are accommodated in the portable terminal 1 such as SMP.
- the DSD2 and DSIM3 of the short-range wireless communication antenna module 20 are attached to the front end side where the antenna portion 8 does not have the metal surface Ma such as the battery 12.
- FIG. 18 shows a case where the DSIM 3 of the short-range wireless communication antenna module 20 of the present invention is attached to the iPhone (registered trademark).
- the housing of iPhone (registered trademark) is covered with a stainless steel metal surface Ma, and there is no place or space for mounting a short-distance wireless communication antenna inside in order to realize thinning and miniaturization. Also, iPhone (registered trademark) does not have an SD memory card socket.
- the near field communication antenna In order to perform near field communication, the near field communication antenna must have a structure strong against the metal surface Ma, and the display 13 must have a structure through which the magnetic field H passes.
- the normal SIM 11 since the normal SIM 11 does not have a short-range wireless communication function, it must be replaced with a DSIM 3 using the replaceable SIM 11. It is difficult to satisfy all of these requirements, but it can be realized only with the DSIM 3 of the near field communication antenna module 20 of the present invention which is the SIM 11 with the near field communication antenna.
- FIG. 19 shows an embodiment of a short-range wireless communication system operated in the portable terminal 1 equipped with the short-range wireless communication antenna module 20.
- FIG. 19A shows access to a tag Tg or a sensor built in a smart poster SP or an electronic signboard to read information from a URL on the network, or a combination with a short-range wireless communication antenna built in the smart poster SP.
- An example of obtaining and giving information is shown below.
- FIG. 19B shows a general reader / writer R / W and a PC that are accessed and connected to the Internet via the PC, or directly from the mobile terminal 1 such as SMP via the Wi-Fi (registered trademark).
- This is a system for transmitting / receiving communication data with / W. It is possible to construct a system that records general data handling and personal data handling separately.
- FIG. 19C shows a case where the reader / writer R / W mode for reading the card data of the non-contact IC card 21 is used.
- the portable terminal 1 such as SMP uses Wi-Fi (registered trademark) or a telephone line. Card data can be recorded on the server.
- FIG. 19D shows the communication between the mobile terminals 1 such as PtoP and SMP, and the respective data can be transmitted from the respective terminals to the server.
- FIG. 20 shows a case where the portable terminal 1 equipped with the short-range wireless communication antenna module 20 can be used in the same way using the equipment that can use the non-contact IC card 21 that is generally used at present.
- FIG. 20A shows a case where the ticket gate 18 passes through the ticket gate 18 by the IC information stored in the short-range wireless communication antenna module 20 of the mobile terminal 1 such as SMP.
- SMP short-range wireless communication antenna module
- SUICA registered trademark
- FIG. 20B shows a case where communication is performed on the back surface of the portable terminal 1 such as SMP when passing through the ticket gate 18.
- FIG. 20 (c) is an example of access control, and shows a case where the mobile terminal 1 is used for raising and stopping the elevator 19 and opening / closing the door.
- FIG. 20 (d) shows a case where the mobile terminal 1 makes payment in conjunction with the POS terminal.
- FIG. 20 (e) shows a communication example when the personal computer PC is provided with a short-range wireless communication reader / writer R / W.
- a short-range wireless communication reader / writer R / W For example, in the educational world and business industry, after authenticating with a personal computer PC via a short-range wireless communication with the mobile terminal 1, the personal computer PC data is transmitted to the mobile terminal 1 using a transmission / reception function such as BlueTooth (registered trademark). You can transfer data and take it back from school to review.
- a transmission / reception function such as BlueTooth (registered trademark). You can transfer data and take it back from school to review.
- the portable terminal 1 equipped with the short-range wireless communication antenna module 20 is used for the purpose of transmitting data to the personal computer PC at home or for communication with the personal computer PC with short-range wireless communication function.
- FIG. 20 (f) is an example used for medical care or health maintenance, for example, data from a sphygmomanometer BPM or a heart rate monitor incorporated in a wristwatch or the like such as SMP equipped with the short-range wireless communication antenna module 20 of the present invention.
- the data is taken up by the portable terminal 1 and the measurement data is converted into a table or graph on the portable terminal 1, the data is sent to a personal computer PC by BlueTooth (registered trademark), or the data is sent to a server or a hospital using a wireless LAN or the like.
- BlueTooth registered trademark
- An example is shown.
- FIG. 20 (g) shows the data of the patient's thermometer TM taken up by a portable terminal 1 such as an SMP equipped with the short-range wireless communication antenna module 20, and the measurement data is displayed in a table or graph on the portable terminal 1, or BlueTooth (registration).
- a portable terminal 1 such as an SMP equipped with the short-range wireless communication antenna module 20
- BlueTooth registration
- An example in which data is sent to the medical device MDM using a trademark or data is sent from the portable terminal 1 to a server or a hospital via a wireless LAN or a line. It can be used for management of other devices, data acquisition, transmission of an appropriate server, device management, data acquisition, transmission to an appropriate server, management of devices, and the like. Other applications are omitted because there are many types.
- FIG. 21 (a) uses the SD7 or SIM11 provided in the portable terminal 1 such as a tablet, is equipped with the short-range wireless communication antenna module 20 of the present invention, and reads data from the personal computer PC in the R / W mode. This is an example of getting or giving information you want.
- FIG. 21 (b) shows a case where DSD2 using ⁇ -SD7 of the short-range wireless communication antenna module 20 of the present invention is used for the camera 16, and direct short-range wireless communication can be performed.
- DSD2 is used for the camera 16
- authentication may be performed by short-range wireless communication using DSD2
- video transmission may be performed by a TV or personal computer PC using BlueTooth (registered trademark).
- BlueTooth registered trademark
- short-range wireless communication antenna module 20 will be incorporated into camera 16. This is the same function as that in which a camera is permanently installed in the portable terminal 1 such as SMP.
- FIG. 21 (c) shows a short-range wireless communication function for the case where the TV 16 and the personal computer PC are similarly provided with a short-range wireless communication function and the mobile terminal 1 such as a tablet and SMP and the camera 16 are connected to each other.
- This is a case of using communication.
- DSD2 and DSIM3 of the short-range wireless communication device module 20 of the present invention the purpose of easily connecting each other can be achieved. This simplifies connection of near field communication and data transmission from each device.
- FIG. 21 (d) shows that the home refrigerator 22 has a short-range wireless communication function, displays inventory management of built-in food, expiration date, purchase time, etc., cooking recipes possible with the built-in food, calorie consumption, etc. can do.
- Fig. 21 (e) makes it easy to purchase products and transmit data such as new product information by communicating with a vending machine equipped with a short-range wireless communication function.
- FIG. 22 shows the effects of the metal surface Ma and the box surface of the built-in camera 1b and the battery 12, etc., and the small antenna unit 8 and the IC mounted on the DSD2 and DSIM3 of the short-range wireless communication antenna module 20 of the present invention. This is a case where the effect of the voltage increase generated in the circuit unit 9 is insufficient.
- the short-range wireless communication antenna module 20 includes a resonance coil antenna At comprising a large loop coil so as to overlap with the wound coil antenna 5 of the magnetic plate 6 and the planar loop coil antenna 4 by being electromagnetically coupled by the pin P and the connector T. Is attached to the back cover 1a to further increase the short-range wireless communication signal and to ensure a necessary voltage increase of the short-range wireless communication signal.
- a short-range wireless communication antenna module having a multi-directional magnetic field and a manufacturing method and system thereof include all terminals such as SMP, mobile phones, tablets, and other electronic devices such as PCs, cameras, and TVs. It can be used for equipment, and communication in various directions is possible by using the directivity of the short-range wireless communication antenna, and the short-range wireless communication function is remarkably improved by devising the antenna section and IC circuit section.
- a short-distance replaceable short-range wireless communication antenna module can be provided.
Abstract
Description
図2に示す近距離無線通信アンテナモジュール20のDSD2及びDSIM3は、通常のSD7及びSIM11の表面に回路が形成された薄い基板FPCを設置し、該FPC面に近距離無線通信アンテナ部8とIC回路部9が組込まれて一体化されている。
図3に示す近距離無線通信アンテナモジュール20について、DSD2に使用されるSD7が小形のμ-SDである場合の構成で説明する。
図6(a)、図6(b)は、磁性体板6の両面に印刷やメッキやエッチングで、連続した巻き廻しコイルアンテナ5のパターンを作る製造方法を示す。
近距離無線通信アンテナモジュール20の構成について、図7にDSIM3の場合、図8にDSD2の場合について、夫々の各アンテナ部8の構造とIC回路部9のICチップや回路部品の取付け例を示す。
図10には、アンテナ部8を有する本発明の近距離無線通信アンテナモジュール20(DSD2,DSIM3)の取付け位置と、平面ループコイルアンテナ4、巻き廻しコイルアンテナ5、磁性体板6による磁界の分布及び使用時の対応タグTgやリーダライタR/Wの位置関係を示す。
図13は、壁等に取付けられたスマートポスタSPや広告ディスプレイ等に内蔵されたタグTgやリーダライタR/Wの近距離無線通信アンテナとの通信を行う場合の使用例である。SMP等の携帯端末1を横にしたまま、近距離無線通信アンテナモジュール20の水平磁界HhでスマートポスタSPとの通信を行い、携帯端末1のディスプレイ13の液晶面で動作を確認し乍ら通信を行うことができる。
本発明の近距離無線通信アンテナモジュール20を装着した携帯端末1を用いて、運用する場合の例を図19、図20、図21に示す。
CT 接触端子
FPC フレキシブル基板回路
H 磁界
Hc 結合磁界
Hh 水平磁界
Hv 垂直磁界
Ma 金属面
P 接続ピン
PC パーソナルコンピュータ
Pla プラスチック部
R 絶縁被膜
R/W リーダライタ
SMP スマートフォン
SP スマートポスタ
T コネクタ
Tg タグ
1 携帯端末
1b 内蔵カメラ
2 DSD(近距離無線通信アンテナモジュールに対応)
3 DSIM(近距離無線通信アンテナモジュールに対応)
4 平面ループコイルアンテナ
5 巻き廻しコイルアンテナ
6 磁性体板
7 SD
8 アンテナ部
9 IC回路部
10 ソケット
11 SIM
12 バッテリ
13 ディスプレイ
14 削り溝
15 スリット溝
16 カメラ
17 TV
18 改札ゲート
19 エレベータ
20 近距離無線通信アンテナモジュール
21 ICカード
22 冷蔵庫
23 自動販売機
Claims (25)
- SIMまたはSDを有するモジュールであって、
前記SIMまたはSDの接触端子が形成された面とは反対側の面に設置された基板と、
前記基板に形成されたIC回路部と、
前記基板上に載置されたアンテナ部と、を有し、
前記アンテナ部は、磁性体板と、該磁性体板上に形成された平面ループコイルアンテナと、該平面ループコイルアンテナのコイルの一辺と重なるように前記磁性体板に巻き廻された巻き廻しコイルアンテナとから構成され、
前記平面ループコイルアンテナと前記巻き廻しコイルアンテナから放出される磁界が、2次元的または3次元的に放出されることを特徴とする近距離無線通信アンテナモジュール。 - 前記巻き廻しコイルアンテナが、前記平面ループコイルアンテナのコイルの一辺と重なるように前記磁性体に巻き廻された第1の巻き廻しコイルアンテナと、該第1の巻き廻しコイルアンテナと直交するように前記磁性体に巻き廻された第2の巻き廻しコイルアンテナとから構成されることを特徴とする請求項1記載の近距離無線通信アンテナモジュール。
- 端末装置に搭載される請求項1または2に記載の近距離無線通信アンテナモジュールであって、
前記アンテナ部からの磁界が、前記端末装置の裏面からのみでなく表面からも放出されることを特徴とする近距離無線通信アンテナモジュール。 - 端末装置に搭載される請求項1または2に記載の近距離無線通信アンテナモジュールであって、
前記アンテナ部からの磁界が、前記端末装置の裏面からのみでなく表面からも放出され、更に前記端末装置の側面からも放出されることを特徴とする近距離無線通信アンテナモジュール。 - 前記巻き廻しコイルが、前記磁性体板の端部に巻き廻されることを特徴とする請求項1または2に記載の近距離無線通信アンテナモジュール。
- 前記アンテナ部が、前記SIMまたはSDと分離可能な構造を有することを特徴とする請求項1乃至5のいずれか1項に記載の近距離無線通信アンテナモジュール。
- SIMまたはSDを有するモジュールであって、
前記SIMまたはSDの接触端子が形成された面とは反対側の面に設置された基板と、
前記基板に形成されたIC回路部と、
アンテナ部と、を有し、
該アンテナ部は、前記基板上に形成された巻線印刷または平面ループコイルアンテナと、前記巻線印刷または前記平面ループコイルアンテナのコイルの一辺と重なるように密着された巻き廻しコイルアンテナとから構成され、
前記平面ループコイルアンテナと前記巻き廻しコイルアンテナから放出される磁界が、2次元的または3次元的に放出されることを特徴とする近距離無線通信アンテナモジュール。 - 給電される前記巻き廻しコイルアンテナのコイルの巻数に対して、前記平面ループコイルアンテナのコイルの巻数を少なくし、電流の結合比を上昇させ前記平面ループコイルアンテナの磁界強度を上昇させるように構成したことを特徴とする請求項1乃至7のいずれか1項に記載の近距離無線通信アンテナモジュール。
- 前記SIMまたはSDの外筐が、磁性体で構成されることを特徴とする請求項7記載の近距離無線通信アンテナモジュール。
- SIMまたはSDを有するモジュールであって、
前記SIMまたはSDの接触端子が形成された面とは反対側の面にICの接触端子が設置された基板と、
前記基板に形成されたIC回路部と、
アンテナ部と、を有し、
該アンテナ部は、前記基板上に形成された平面ループコイルアンテナと、該平面ループコイルアンテナのコイルの一辺と重なるように磁性体板に巻き廻された巻き廻しコイルアンテナとから構成され、
前記平面ループコイルアンテナと前記巻き廻しコイルアンテナから放出される磁界が、2次元的または3次元的に放出されることを特徴とする近距離無線通信アンテナモジュール。 - SIMまたはSDを有するモジュールであって、
前記SIMまたはSDの接触端子が形成された面とは反対側の面に設置された第1の基板と、前記SIMまたはSDの接触端子が形成された面に設置された第2の基板と、
前記第1の基板に形成されたIC回路部と、
アンテナ部と、を有し、
該アンテナ部は、前記第1の基板上に形成された平面ループコイルアンテナと、該平面ループコイルアンテナのコイルの一辺と重なるように磁性体板に巻き廻された巻き廻しコイルアンテナと、前記第2の基板上に形成された平面ループコイルアンテナとから構成され、
前記2つの平面ループコイルアンテナと前記巻き廻しコイルアンテナから放出される磁界が、2次元的または3次元的に放出されることを特徴とする近距離無線通信アンテナモジュール。 - SIMまたはSDを有するモジュールであって、
前記SIMまたはSDの接触端子が形成された面とは反対側の面にICやアンテナ端子との接触端子が設置された基板と、
前記基板に形成されたIC回路部と、
アンテナ部と、を有し、
該アンテナ部は、磁性体上に形成された平面ループコイルアンテナと、前記SIMまたはSDに巻き廻された巻き廻しコイルアンテナとから構成され、
前記磁性体上に形成された平面ループアンテナが前記SIMまたはSDと分離可能であり、
前記平面ループコイルアンテナと前記巻き廻しコイルアンテナから放出される磁界が、2次元的または3次元的に放出されることを特徴とする近距離無線通信アンテナモジュール。 - SIMまたはSDを有するモジュールであって、
前記SIMまたはSDの接触端子が形成された面とは反対側の面に設置された第1の基板と、
前記第1の基板に形成されたIC回路部と、を有し、
該アンテナ部は、第2の基板上に形成された平面ループコイルアンテナと、該平面ループコイルアンテナのコイルの一辺と重なるように磁性体板に巻き廻された巻き廻しコイルアンテナとから構成され、
前記第1の基板の上に前記巻き廻しコイルアンテナが載置され、更に該巻き廻しコイルアンテナの上に前記アンテナ部が供えられた第2の基板が載置され、
前記平面ループコイルアンテナと前記巻き廻しコイルアンテナから放出される磁界が、2次元的または3次元的に放出されることを特徴とする近距離無線通信アンテナモジュール。 - 前記第1の基板と前記巻き廻しコイルアンテと前記平面アンテナが備えられた前記第2の基板が絶縁被膜を介して貼りあわせられていることを特徴とする請求項13記載の近距離無線通信アンテナモジュール。
- 前記IC回路部が、アプリケーション用ICチップと、セキュリティ用ICチップと、近距離無線通信用ICチップと、交流通信をつかさどるアナログ用ICチップと、機器と通信を行うインターフェース用のICチップとからなることを特徴とする請求項1乃至14のいずれか1項に記載の近距離無線通信アンテナモジュール。
- 前記基板が、FPC基板であることを特徴とする請求項1乃至15のいずれか1項に記載の近距離無線通信アンテナモジュール。
- 前記平面ループコイルアンテナまたは前記巻き廻しコイルアンテナが、共振用コンデンサを有することを特徴とする請求項1乃至16のいずれか1項に記載の近距離無線通信アンテナモジュール。
- 前記アンテナ部と前記IC回路部とが一体化された前記近距離無線通信アンテナモジュールを携帯端末のソケットに装着した際、
前記アンテナ部が多方向の前記磁界を放出して、各種ループコイルを有するセンサ機器、タグ、リーダライタからなる外部端末と結合することを特徴とする請求項1乃至17のいずれか1項に記載の近距離無線通信アンテナモジュール。 - 前記近距離無線通信アンテナモジュールにおいて、前記アンテナ部と前記IC回路部とをピンとコネクタで接続することを特徴とする請求項1乃至18のいずれか1項に記載の近距離無線通信アンテナモジュール。
- 請求項1,10,11,13のいずれか1項に記載の近距離無線通信アンテナモジュールの製造方法であって、
シート状の磁性体板に前記巻き廻しコイルアンテナの導線を両面印刷、メッキ、エッチングのいずれかで複数形成し、且つ前記シート状の磁性体板の両面に形成された前記導線を接続するスルーホールを形成して、
複数の前記巻き廻しコイルアンテナを製造することを特徴とする近距離無線通信アンテナモジュールの製造方法。 - 請求項1乃至19いずれか1項に記載の近距離無線通信アンテナモジュールと携帯端末とから構成され、
前記携帯端末は、前記近距離無線通信アンテナモジュールを装着するソケットにヒンジを設けて、斜め上向き状態でも前記近距離無線通信アンテナモジュールを挿入できるような機構を有することを特徴とする近距離無線通信アンテナモジュールを用いたシステム。 - 請求項1乃至19いずれか1項に記載の近距離無線通信アンテナモジュールと携帯端末とから構成され、
スマートフォン、携帯電話、カメラ、PC、タブレット、TV、家電、自動車、通信端末、時計、体温計、血圧計、心拍計、医療機器のいずれかである前記携帯端末に前記近距離無線通信アンテナモジュールを装着して通信を行わせ、電話回線やWiFi(登録商標)やBlueTooth(登録商標)を介してネットワークを構築することを特徴とする近距離無線通信アンテナモジュールを用いたシステム。 - 請求項1乃至19いずれか1項に記載の近距離無線通信アンテナモジュールと携帯端末とから構成され、
前記近距離無線通信アンテナモジュールをスマートフォンまたは携帯電話である前記携帯端末に装着し、改札、アクセスコントロール、支払い情報の送信、機器の認証に使用することを特徴とする近距離無線通信アンテナモジュールを用いたシステム。 - 請求項1乃至19いずれか1項に記載の近距離無線通信アンテナモジュールと携帯端末とから構成され、
前記近距離無線通信アンテナモジュールを前記携帯端末に装着し、
前記近距離無線通信アンテナモジュールのアンテナ部と、前記各種機器に取付けられた共振用アンテナとを結合させて信号を増大させ、通信距離を延ばすことを特徴とする近距離無線通信アンテナモジュールを用いたシステム。 - 請求項1乃至19いずれか1項に記載の近距離無線通信アンテナモジュールと携帯端末とから構成され、
前記近距離無線通信アンテナモジュールを装着可能な前記携帯端末は、金属面のない先端部に前記近距離無線通信アンテナモジュールを装着する際、
前記アンテナ部の水平方向の磁界が前記携帯端末の先端部の前方方向に放出されるように、または前記アンテナ部の水平方向の磁界が前記携帯端末の先端部の側面部から放出されるように、いずれの向きでも前記近距離無線通信アンテナモジュールを装着できるように、前記携帯端末のソケットがいずれの方向にも対応が可能な機構を有することを特徴とする近距離無線通信アンテナモジュールを用いたシステム。
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CN114492707A (zh) * | 2020-11-13 | 2022-05-13 | 乾坤科技股份有限公司 | 一种用于形成三维线圈应答器的结构 |
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