TW200628062A - Electromagnetic interference suppressor, antenna device, and electron information transfer device - Google Patents

Electromagnetic interference suppressor, antenna device, and electron information transfer device

Info

Publication number
TW200628062A
TW200628062A TW094142847A TW94142847A TW200628062A TW 200628062 A TW200628062 A TW 200628062A TW 094142847 A TW094142847 A TW 094142847A TW 94142847 A TW94142847 A TW 94142847A TW 200628062 A TW200628062 A TW 200628062A
Authority
TW
Taiwan
Prior art keywords
electromagnetic interference
interference suppressor
information transfer
transfer device
electron information
Prior art date
Application number
TW094142847A
Other languages
English (en)
Other versions
TWI355885B (zh
Inventor
Makoto Maezawa
Takahiko Yoshida
Yoshiharu Kiyohara
Shinichi Sato
Haruhide Go
Original Assignee
Nitta Corp
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 Nitta Corp filed Critical Nitta Corp
Publication of TW200628062A publication Critical patent/TW200628062A/zh
Application granted granted Critical
Publication of TWI355885B publication Critical patent/TWI355885B/zh

Links

Classifications

    • 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
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/0083—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive non-fibrous particles embedded in an electrically insulating supporting structure, e.g. powder, flakes, whiskers
    • 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
    • G06K19/07771—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 the record carrier comprising means for minimising adverse effects on the data communication capability of the record carrier, e.g. minimising Eddy currents induced in a proximate metal or otherwise electromagnetically interfering object
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/28—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder dispersed or suspended in a bonding agent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/0027—Thick magnetic films
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/16—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates the magnetic material being applied in the form of particles, e.g. by serigraphy, to form thick magnetic films or precursors therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31652—Of asbestos
    • Y10T428/31663—As siloxane, silicone or silane

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Details Of Aerials (AREA)
  • Laminated Bodies (AREA)
  • Regulation Of General Use Transformers (AREA)
TW094142847A 2004-12-03 2005-12-05 Electromagnetic interference suppressor, antenna device, and electron information transfer device TW200628062A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004350615 2004-12-03

Publications (2)

Publication Number Publication Date
TW200628062A true TW200628062A (en) 2006-08-01
TWI355885B TWI355885B (zh) 2012-01-01

Family

ID=36565196

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094142847A TW200628062A (en) 2004-12-03 2005-12-05 Electromagnetic interference suppressor, antenna device, and electron information transfer device

Country Status (7)

Country Link
US (1) US7561114B2 (zh)
EP (1) EP1819211A4 (zh)
JP (1) JP4249227B2 (zh)
KR (1) KR101067731B1 (zh)
CN (1) CN101069461B (zh)
TW (1) TW200628062A (zh)
WO (1) WO2006059771A1 (zh)

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TWI407846B (zh) * 2006-09-27 2013-09-01 Shinko Electric Ind Co 電子裝置
TWI495414B (zh) * 2008-10-15 2015-08-01 Nippon Mektron Kk Flexible printed circuit board manufacturing method and flexible printed circuit board
TWI514937B (zh) * 2010-08-04 2015-12-21 Nitto Denko Corp 佈線電路基板
TWI568077B (zh) * 2014-12-26 2017-01-21 環鴻科技股份有限公司 用於無線通訊之天線
US9666944B2 (en) 2014-12-26 2017-05-30 Universal Scientific Industrial (Shanghai) Co., Ltd. Antenna for wireless communication
TWI596998B (zh) * 2011-11-24 2017-08-21 Tatsuta Electric Wire & Cable Co Ltd A mask film, a mask printed circuit board, and a mask film
US11114228B2 (en) 2015-06-02 2021-09-07 Dowa Electronics Materials Co., Ltd. Magnetic powder composite, antenna and electronic device, and method for producing the same

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JP4906861B2 (ja) * 2006-08-08 2012-03-28 パナソニック株式会社 Ｒｆｉｄ磁性シート、非接触型ｉｃカードおよび携帯用移動通信機器
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JP2009081234A (ja) * 2007-09-26 2009-04-16 Nitta Ind Corp 難燃性磁性シートおよびそれを用いたｒｆｉｄデバイス並びにｒｆｉｄ無線通信を改善する方法
JP4924332B2 (ja) * 2007-09-27 2012-04-25 富士通東芝モバイルコミュニケーションズ株式会社 無線システム、無線装置及びアンテナ装置
JP2009094298A (ja) * 2007-10-09 2009-04-30 Sony Chemical & Information Device Corp 磁性シートの製造方法及び磁性シート
TW200917288A (en) * 2007-10-15 2009-04-16 Sekishin Kogyo Co Ltd Metallic magnetic material for magnetic element of a choke coil and SMD choke coil
US7815820B2 (en) * 2007-10-18 2010-10-19 General Electric Company Electromagnetic interference shielding polymer composites and methods of manufacture
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JP2009159588A (ja) * 2007-12-03 2009-07-16 Shuho:Kk 携帯電話機またはパーソナルコンピュータ用アンテナ
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US7561114B2 (en) 2009-07-14
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