JP6633037B2 - 近傍界用ノイズ抑制シート - Google Patents

近傍界用ノイズ抑制シート Download PDF

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Publication number
JP6633037B2
JP6633037B2 JP2017175193A JP2017175193A JP6633037B2 JP 6633037 B2 JP6633037 B2 JP 6633037B2 JP 2017175193 A JP2017175193 A JP 2017175193A JP 2017175193 A JP2017175193 A JP 2017175193A JP 6633037 B2 JP6633037 B2 JP 6633037B2
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JP
Japan
Prior art keywords
noise suppression
suppression sheet
alloy powder
field noise
less
Prior art date
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Application number
JP2017175193A
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English (en)
Japanese (ja)
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JP2019054022A (ja
Inventor
雅規 蔵前
雅規 蔵前
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.)
Riken Corp
Original Assignee
Riken 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 Riken Corp filed Critical Riken Corp
Priority to JP2017175193A priority Critical patent/JP6633037B2/ja
Priority to CN201880047397.6A priority patent/CN110892492B/zh
Priority to KR1020207004423A priority patent/KR102155542B1/ko
Priority to PCT/JP2018/029289 priority patent/WO2019054085A1/ja
Priority to TW107130220A priority patent/TWI683914B/zh
Publication of JP2019054022A publication Critical patent/JP2019054022A/ja
Application granted granted Critical
Publication of JP6633037B2 publication Critical patent/JP6633037B2/ja
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073Shielding materials
    • H05K9/0081Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/0083Electromagnetic 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04Coating
    • C08J7/05Forming flame retardant coatings or fire resistant coatings
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/10Metal compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/38Boron-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00Compositions of unspecified macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C45/00Amorphous alloys
    • C22C45/02Amorphous alloys with iron as the major constituent
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets 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
    • H01F1/14Magnets 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
    • H01F1/147Alloys characterised by their composition
    • H01F1/153Amorphous metallic alloys, e.g. glassy metals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets 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
    • H01F1/14Magnets 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
    • H01F1/147Alloys characterised by their composition
    • H01F1/153Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15308Amorphous metallic alloys, e.g. glassy metals based on Fe/Ni
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets 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
    • H01F1/14Magnets 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
    • H01F1/20Magnets 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
    • H01F1/28Magnets 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
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/08Metallic powder characterised by particles having an amorphous microstructure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Powder Metallurgy (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Soft Magnetic Materials (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
JP2017175193A 2017-09-12 2017-09-12 近傍界用ノイズ抑制シート Active JP6633037B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2017175193A JP6633037B2 (ja) 2017-09-12 2017-09-12 近傍界用ノイズ抑制シート
CN201880047397.6A CN110892492B (zh) 2017-09-12 2018-08-03 近场用噪声抑制片
KR1020207004423A KR102155542B1 (ko) 2017-09-12 2018-08-03 근방계용 노이즈 억제 시트
PCT/JP2018/029289 WO2019054085A1 (ja) 2017-09-12 2018-08-03 近傍界用ノイズ抑制シート
TW107130220A TWI683914B (zh) 2017-09-12 2018-08-30 近場用雜訊抑制片

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017175193A JP6633037B2 (ja) 2017-09-12 2017-09-12 近傍界用ノイズ抑制シート

Publications (2)

Publication Number Publication Date
JP2019054022A JP2019054022A (ja) 2019-04-04
JP6633037B2 true JP6633037B2 (ja) 2020-01-22

Family

ID=65722871

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017175193A Active JP6633037B2 (ja) 2017-09-12 2017-09-12 近傍界用ノイズ抑制シート

Country Status (5)

Country Link
JP (1) JP6633037B2 (ko)
KR (1) KR102155542B1 (ko)
CN (1) CN110892492B (ko)
TW (1) TWI683914B (ko)
WO (1) WO2019054085A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220133772A (ko) 2021-03-25 2022-10-05 가부시끼가이샤 리켄 근방계용 노이즈 억제 시트 및 그 제조방법

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11354973A (ja) * 1998-06-04 1999-12-24 Hitachi Metals Ltd 電磁波吸収体
TW495772B (en) * 2000-06-29 2002-07-21 Sumitomo Spec Metals Soft magnetic alloy powder for electromagnetic wave absorbing sheet, electromagnetic wave absorbing sheet, and method for manufacturing them
JP3897552B2 (ja) * 2001-05-23 2007-03-28 アルプス電気株式会社 電波吸収体及び電波吸収体の製造方法
JP3990658B2 (ja) * 2002-08-19 2007-10-17 住友電気工業株式会社 電磁波吸収体
JP4036300B2 (ja) * 2002-08-30 2008-01-23 Necトーキン株式会社 磁気損失体及びその製造方法
JP2004288941A (ja) * 2003-03-24 2004-10-14 Hitachi Metals Ltd ノイズ抑制シート
JP2007281074A (ja) * 2006-04-04 2007-10-25 Hitachi Metals Ltd ノイズ抑制シート
JP2009021403A (ja) * 2007-07-12 2009-01-29 Alps Electric Co Ltd 電磁波抑制シート
JP4818339B2 (ja) * 2007-10-29 2011-11-16 ソニーケミカル&インフォメーションデバイス株式会社 磁性シート
JP2010135567A (ja) * 2008-12-04 2010-06-17 Tohoku Univ 電波吸収材料
JP2012186384A (ja) 2011-03-07 2012-09-27 Tdk Corp 電磁ノイズ抑制部材
JP5708454B2 (ja) * 2011-11-17 2015-04-30 日立化成株式会社 アルコール系溶液および焼結磁石
JP2013182931A (ja) 2012-02-29 2013-09-12 Tdk Corp 電磁ノイズ抑制部材
JP6388761B2 (ja) 2013-08-29 2018-09-12 株式会社トーキン 電磁干渉抑制シート及びその製造方法
JP5700869B2 (ja) * 2013-09-13 2015-04-15 株式会社リケン 近傍界用電波吸収シート
JP6558887B2 (ja) 2014-11-14 2019-08-14 株式会社リケン 軟磁性合金および磁性部品
JP6554278B2 (ja) * 2014-11-14 2019-07-31 株式会社リケン 軟磁性合金および磁性部品
JP6441756B2 (ja) * 2015-07-10 2018-12-19 株式会社トーキン 難燃性複合磁性体

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220133772A (ko) 2021-03-25 2022-10-05 가부시끼가이샤 리켄 근방계용 노이즈 억제 시트 및 그 제조방법

Also Published As

Publication number Publication date
WO2019054085A1 (ja) 2019-03-21
KR102155542B1 (ko) 2020-09-14
CN110892492A (zh) 2020-03-17
CN110892492B (zh) 2021-03-09
TWI683914B (zh) 2020-02-01
KR20200038254A (ko) 2020-04-10
TW201912812A (zh) 2019-04-01
JP2019054022A (ja) 2019-04-04

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