WO2008126416A1 - 電磁波干渉抑制シート、高周波信号用フラットケーブル、フレキシブルプリント基板及び電磁波干渉抑制シートの製造方法 - Google Patents

電磁波干渉抑制シート、高周波信号用フラットケーブル、フレキシブルプリント基板及び電磁波干渉抑制シートの製造方法 Download PDF

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Publication number
WO2008126416A1
WO2008126416A1 PCT/JP2008/000939 JP2008000939W WO2008126416A1 WO 2008126416 A1 WO2008126416 A1 WO 2008126416A1 JP 2008000939 W JP2008000939 W JP 2008000939W WO 2008126416 A1 WO2008126416 A1 WO 2008126416A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
electromagnetic wave
prevention
wave interference
production
Prior art date
Application number
PCT/JP2008/000939
Other languages
English (en)
French (fr)
Inventor
Kazumi Yamamoto
Tetsuya Kimura
Original Assignee
Toda Kogyo Corporation
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 Toda Kogyo Corporation filed Critical Toda Kogyo Corporation
Priority to CN2008800112048A priority Critical patent/CN101683020B/zh
Priority to US12/594,986 priority patent/US8723054B2/en
Priority to KR1020097020987A priority patent/KR101385823B1/ko
Priority to JP2009508920A priority patent/JP5218396B2/ja
Priority to EP08751555.7A priority patent/EP2136613B1/en
Publication of WO2008126416A1 publication Critical patent/WO2008126416A1/ja
Priority to US14/230,138 priority patent/US20140210131A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/02—Combined thermoforming and manufacture of the preform
    • 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
    • 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
    • H01F1/34—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 non-metallic substances, e.g. ferrites
    • H01F1/342—Oxides
    • H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
    • 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
    • H01F1/34—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 non-metallic substances, e.g. ferrites
    • H01F1/36—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 non-metallic substances, e.g. ferrites in the form of particles
    • H01F1/37—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 non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
    • H01F1/375—Flexible bodies
    • 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
    • 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
    • H01Q17/004—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems using non-directional dissipative particles, e.g. ferrite powders
    • 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
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • Y10T428/257—Iron oxide or aluminum oxide

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

導電性カーボンと累積５０％体積粒子径が１～１０μｍのスピネルフェライト粒子粉末を組み合わせて使用することにより、近傍電磁界における電磁波吸収が優れ、かつ反射を抑制した高密度実装に適した電磁波干渉抑制シートを得ることができる。本発明の電磁波干渉抑制シートは、導電性カーボンと累積５０％体積粒子径が１～１０μｍのスピネルフェライト粒子粉末を分散させた塗料を１０～１００μｍの乾燥厚になるように塗布した後、熱加圧成形する本発明の製造方法により得ることができる。
PCT/JP2008/000939 2007-04-11 2008-04-10 電磁波干渉抑制シート、高周波信号用フラットケーブル、フレキシブルプリント基板及び電磁波干渉抑制シートの製造方法 WO2008126416A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN2008800112048A CN101683020B (zh) 2007-04-11 2008-04-10 电磁波干扰抑制片及其制造方法
US12/594,986 US8723054B2 (en) 2007-04-11 2008-04-10 Electromagnetic noise suppression sheet, flat cable for high-frequency signals, flexible printed circuit board, and process for producing the electromagnetic noise suppression sheet
KR1020097020987A KR101385823B1 (ko) 2007-04-11 2008-04-10 전자파 간섭 억제 시트, 고주파 신호용 플랫 케이블, 연성 인쇄 기판 및 전자파 간섭 억제 시트의 제조 방법
JP2009508920A JP5218396B2 (ja) 2007-04-11 2008-04-10 電磁波干渉抑制シート、高周波信号用フラットケーブル、フレキシブルプリント基板及び電磁波干渉抑制シートの製造方法
EP08751555.7A EP2136613B1 (en) 2007-04-11 2008-04-10 Sheet for prevention of electromagnetic wave interference, flat cable for high-frequency signal, flexible print substrate, and method for production of sheet for prevention of electromagnetic wave interference
US14/230,138 US20140210131A1 (en) 2007-04-11 2014-03-31 Electromagnetic noise suppression sheet, flat cable for high-frequency signals, flexible printed circuit board, and process for producing the electromagnetic noise suppression sheet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007104349 2007-04-11
JP2007-104349 2007-04-11

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/594,986 A-371-Of-International US8723054B2 (en) 2007-04-11 2008-04-10 Electromagnetic noise suppression sheet, flat cable for high-frequency signals, flexible printed circuit board, and process for producing the electromagnetic noise suppression sheet
US14/230,138 Division US20140210131A1 (en) 2007-04-11 2014-03-31 Electromagnetic noise suppression sheet, flat cable for high-frequency signals, flexible printed circuit board, and process for producing the electromagnetic noise suppression sheet

Publications (1)

Publication Number Publication Date
WO2008126416A1 true WO2008126416A1 (ja) 2008-10-23

Family

ID=39863575

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/000939 WO2008126416A1 (ja) 2007-04-11 2008-04-10 電磁波干渉抑制シート、高周波信号用フラットケーブル、フレキシブルプリント基板及び電磁波干渉抑制シートの製造方法

Country Status (7)

Country Link
US (2) US8723054B2 (ja)
EP (1) EP2136613B1 (ja)
JP (1) JP5218396B2 (ja)
KR (1) KR101385823B1 (ja)
CN (1) CN101683020B (ja)
TW (1) TWI445494B (ja)
WO (1) WO2008126416A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100209744A1 (en) * 2009-02-18 2010-08-19 Samsung Sdi Co., Ltd. Battery pack and mobile communication terminal
JP2011134755A (ja) * 2009-12-22 2011-07-07 Tdk Corp 電磁ノイズ対策部材

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
EP2723154A4 (en) * 2011-06-17 2016-01-27 Toda Kogyo Corp SUPPRESSORS OF ELECTROMAGNETIC INTERFERENCES
CN108350196B (zh) * 2015-11-18 2022-03-01 迪睿合株式会社 环状烯烃系树脂组合物膜
JP2018056557A (ja) * 2016-09-28 2018-04-05 モレックス エルエルシー 電磁シールド用シート及びその製造方法
US10398068B2 (en) * 2016-09-28 2019-08-27 Molex, Llc Electromagnetic shielding sheet and manufacturing method for same
JP6393944B2 (ja) * 2016-09-30 2018-09-26 パウダーテック株式会社 Ｎｉ−Ｚｎ−Ｃｕ系フェライト粒子、樹脂組成物及び樹脂成形体
CN110484054B (zh) * 2018-12-19 2022-05-06 浙江原邦材料科技有限公司 电磁波干扰抑制涂料的配置方法
CN113619212B (zh) * 2021-07-13 2024-02-02 中国科学院光电技术研究所 一种高强度柔性织物吸波材料及其制备方法

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Publication number Priority date Publication date Assignee Title
US20100209744A1 (en) * 2009-02-18 2010-08-19 Samsung Sdi Co., Ltd. Battery pack and mobile communication terminal
JP2011134755A (ja) * 2009-12-22 2011-07-07 Tdk Corp 電磁ノイズ対策部材

Also Published As

Publication number Publication date
KR101385823B1 (ko) 2014-04-16
JPWO2008126416A1 (ja) 2010-07-22
EP2136613B1 (en) 2016-02-17
TWI445494B (zh) 2014-07-11
JP5218396B2 (ja) 2013-06-26
US8723054B2 (en) 2014-05-13
US20100181107A1 (en) 2010-07-22
EP2136613A4 (en) 2011-09-28
US20140210131A1 (en) 2014-07-31
CN101683020B (zh) 2012-04-18
KR20090127160A (ko) 2009-12-09
EP2136613A1 (en) 2009-12-23
CN101683020A (zh) 2010-03-24
TW200908871A (en) 2009-02-16

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