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GB2461443B - Magnetic field coupling antenna module arrangements including a magnetic core embedded in an insulating layer and their manufacturing methods. - Google Patents

Magnetic field coupling antenna module arrangements including a magnetic core embedded in an insulating layer and their manufacturing methods.

Info

Publication number
GB2461443B
GB2461443B GB0917865.8A GB0917865A GB2461443B GB 2461443 B GB2461443 B GB 2461443B GB 0917865 A GB0917865 A GB 0917865A GB 2461443 B GB2461443 B GB 2461443B
Authority
GB
United Kingdom
Prior art keywords
insulating layer
antenna module
manufacturing methods
field coupling
magnetic field
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0917865.8A
Other versions
GB0917865D0 (en
GB2461443A (en
Inventor
Tsutomu Ieki
Hiroyuki Kubo
Masamichi Ando
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of GB0917865D0 publication Critical patent/GB0917865D0/en
Publication of GB2461443A publication Critical patent/GB2461443A/en
Application granted granted Critical
Publication of GB2461443B publication Critical patent/GB2461443B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/40—Radiating elements coated with or embedded in protective material
    • 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
    • H01Q7/08—Ferrite rod or like elongated core
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/0006—Printed inductances
    • H01F17/0033—Printed inductances with the coil helically wound around a magnetic core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H01F27/022—Encapsulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H01F27/027—Casings specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H10W44/248—
    • H10W90/724—

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Details Of Aerials (AREA)
  • Near-Field Transmission Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Soft Magnetic Materials (AREA)
GB0917865.8A 2007-04-13 2008-04-10 Magnetic field coupling antenna module arrangements including a magnetic core embedded in an insulating layer and their manufacturing methods. Expired - Fee Related GB2461443B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007105513 2007-04-13
PCT/JP2008/057078 WO2008133018A1 (en) 2007-04-13 2008-04-10 Magnetic field coupling type antenna, magnetic field coupling type antenna module, magnetic field coupling type antenna device, and their manufacturing methods

Publications (3)

Publication Number Publication Date
GB0917865D0 GB0917865D0 (en) 2009-11-25
GB2461443A GB2461443A (en) 2010-01-06
GB2461443B true GB2461443B (en) 2012-06-06

Family

ID=39925477

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1202765.2A Expired - Fee Related GB2485318B (en) 2007-04-13 2008-04-10 Magnetic field coupling antenna module and magnetic field coupling antenna device
GB0917865.8A Expired - Fee Related GB2461443B (en) 2007-04-13 2008-04-10 Magnetic field coupling antenna module arrangements including a magnetic core embedded in an insulating layer and their manufacturing methods.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1202765.2A Expired - Fee Related GB2485318B (en) 2007-04-13 2008-04-10 Magnetic field coupling antenna module and magnetic field coupling antenna device

Country Status (4)

Country Link
JP (2) JP5170087B2 (en)
CN (1) CN101657938B (en)
GB (2) GB2485318B (en)
WO (1) WO2008133018A1 (en)

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Publication number Priority date Publication date Assignee Title
US11315726B2 (en) 2017-01-31 2022-04-26 Murata Manufacturing Co., Ltd. LC resonator

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JP5170087B2 (en) 2013-03-27
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GB2461443A (en) 2010-01-06
CN101657938A (en) 2010-02-24
JPWO2008133018A1 (en) 2010-07-22
GB2485318A (en) 2012-05-09
WO2008133018A1 (en) 2008-11-06
GB2485318B (en) 2012-10-10
JP2013078144A (en) 2013-04-25
JP5573937B2 (en) 2014-08-20
CN101657938B (en) 2014-05-14

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