KR20140067660A - 무접점 전력 전송 장치의 자성체 시트 - Google Patents

무접점 전력 전송 장치의 자성체 시트 Download PDF

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Publication number
KR20140067660A
KR20140067660A KR1020120135197A KR20120135197A KR20140067660A KR 20140067660 A KR20140067660 A KR 20140067660A KR 1020120135197 A KR1020120135197 A KR 1020120135197A KR 20120135197 A KR20120135197 A KR 20120135197A KR 20140067660 A KR20140067660 A KR 20140067660A
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KR
South Korea
Prior art keywords
sheet
ferrite
magnetic
metal
power transmission
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.)
Ceased
Application number
KR1020120135197A
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English (en)
Korean (ko)
Inventor
최강룡
류지만
최동혁
정창렬
안성용
Original Assignee
삼성전기주식회사
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 삼성전기주식회사 filed Critical 삼성전기주식회사
Priority to KR1020120135197A priority Critical patent/KR20140067660A/ko
Priority to US13/775,857 priority patent/US20140145807A1/en
Priority to JP2013041558A priority patent/JP2014107539A/ja
Priority to CN201310084367.1A priority patent/CN103839651A/zh
Publication of KR20140067660A publication Critical patent/KR20140067660A/ko
Ceased legal-status Critical Current

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    • 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
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/361—Electric or magnetic shields or screens made of combinations of electrically conductive material and ferromagnetic material
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • 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
    • 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
    • H05K9/0084—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a single continuous metallic layer on an electrically insulating supporting structure, e.g. metal foil, film, plating coating, electro-deposition, vapour-deposition
    • 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
    • H05K9/0088—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a plurality of shielding layers; combining different shielding material structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Soft Magnetic Materials (AREA)
  • Laminated Bodies (AREA)
  • Hard Magnetic Materials (AREA)
KR1020120135197A 2012-11-27 2012-11-27 무접점 전력 전송 장치의 자성체 시트 Ceased KR20140067660A (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020120135197A KR20140067660A (ko) 2012-11-27 2012-11-27 무접점 전력 전송 장치의 자성체 시트
US13/775,857 US20140145807A1 (en) 2012-11-27 2013-02-25 Magnetic sheet of contactless power transmission device
JP2013041558A JP2014107539A (ja) 2012-11-27 2013-03-04 無接点電力伝送装置の磁性体シート
CN201310084367.1A CN103839651A (zh) 2012-11-27 2013-03-15 无触点电力输送装置的磁性片材

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120135197A KR20140067660A (ko) 2012-11-27 2012-11-27 무접점 전력 전송 장치의 자성체 시트

Publications (1)

Publication Number Publication Date
KR20140067660A true KR20140067660A (ko) 2014-06-05

Family

ID=50772754

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120135197A Ceased KR20140067660A (ko) 2012-11-27 2012-11-27 무접점 전력 전송 장치의 자성체 시트

Country Status (4)

Country Link
US (1) US20140145807A1 (enExample)
JP (1) JP2014107539A (enExample)
KR (1) KR20140067660A (enExample)
CN (1) CN103839651A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170010734A (ko) * 2015-07-20 2017-02-01 주식회사 아모센스 무선충전용 차폐유닛
KR20190012846A (ko) * 2017-07-28 2019-02-11 전자부품연구원 고투자율의 이종복합자성시트 및 그의 제조방법
KR20210137560A (ko) * 2019-03-19 2021-11-17 코닌클리케 필립스 엔.브이. 무선 전력 전송 및 개선된 이물체 검출을 위한 디바이스 및 방법
KR20220033933A (ko) * 2020-09-10 2022-03-17 에스케이씨 주식회사 무선충전 장치 및 이를 포함하는 이동 수단

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US9515513B2 (en) * 2013-05-13 2016-12-06 Sony Corporation Mobile device and combo coil module
KR20150019252A (ko) * 2013-08-13 2015-02-25 삼성전기주식회사 Nfc 안테나 모듈
KR20160005976A (ko) * 2014-07-08 2016-01-18 삼성전기주식회사 무선 충전용 복합시트 및 이의 제조방법
KR20160033996A (ko) * 2014-09-19 2016-03-29 삼성전기주식회사 무선 충전용 복합시트 및 이의 제조방법
CN107771368B (zh) * 2015-05-18 2020-10-30 阿莫善斯有限公司 组合天线单元和包括其的无线电能接收模块
US10673269B2 (en) 2015-07-20 2020-06-02 Amosense Co., Ltd. Magnetic field shielding unit
JP6602723B2 (ja) * 2016-04-28 2019-11-06 ピップ株式会社 磁気シートおよび磁気サポータ
JP2019535224A (ja) 2016-09-16 2019-12-05 テーデーカー エレクトロニクス アーゲー 無線電力伝送装置、無線電力送信システム、及び無線電力送信システムを駆動する方法
CN106535605A (zh) * 2016-12-06 2017-03-22 安科智慧城市技术（中国）有限公司 一种电磁干扰屏蔽装置和电动汽车充电器
KR102671965B1 (ko) * 2017-02-21 2024-06-05 삼성전기주식회사 자성체 시트 및 전자기기
CN109427528B (zh) * 2017-09-04 2021-01-19 中微半导体设备(上海)股份有限公司 一种铝坡莫合金夹心板及应用其制备的等离子体处理装置
CN110654085B (zh) * 2019-09-28 2021-01-05 南昌大学 一种基于磁性能变化的应变测量芯片及其测量装置和测试方法
JP7385174B2 (ja) * 2019-12-11 2023-11-22 Tdk株式会社 磁性シート、および、磁性シートを備えるコイルモジュール、並びに非接触給電装置。
CN113993365A (zh) * 2021-10-28 2022-01-28 横店集团东磁股份有限公司 一种无线充电用磁屏蔽结构及其制备方法

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US5198137A (en) * 1989-06-12 1993-03-30 Hoeganaes Corporation Thermoplastic coated magnetic powder compositions and methods of making same
JP2672673B2 (ja) * 1989-10-16 1997-11-05 リコー応用電子研究所株式会社 複合電磁シールド材
JP3114323B2 (ja) * 1992-01-10 2000-12-04 株式会社村田製作所 積層チップコモンモードチョークコイル
JPH06232587A (ja) * 1993-01-28 1994-08-19 Shin Etsu Polymer Co Ltd 電磁波シールド成形体の製造方法
JP3528455B2 (ja) * 1996-09-09 2004-05-17 Ｎｅｃトーキン株式会社 電磁干渉抑制体
JPH10173392A (ja) * 1996-12-09 1998-06-26 Daido Steel Co Ltd 電磁波遮蔽用シート
US6888438B2 (en) * 2001-06-15 2005-05-03 City University Of Hong Kong Planar printed circuit-board transformers with effective electromagnetic interference (EMI) shielding
JP2006269892A (ja) * 2005-03-25 2006-10-05 Aica Kogyo Co Ltd 電磁波シールド成型品
JP2007149847A (ja) * 2005-11-25 2007-06-14 Tdk Corp 焼結フェライト積層体
US8521303B2 (en) * 2006-07-17 2013-08-27 University Of Utah Reasearch Foundation In vivo implantable coil assembly
JP2009270218A (ja) * 2008-05-02 2009-11-19 Diatex Co Ltd 電磁波抑制フラットヤーン及びこれを用いた電磁波抑制製品並びにそれらの製造方法
JP2010028969A (ja) * 2008-07-17 2010-02-04 Sanyo Electric Co Ltd 充電器
KR101244022B1 (ko) * 2008-09-04 2013-03-14 쓰리엠 이노베이티브 프로퍼티즈 캄파니 전자기파간섭 억제용 복합시트
JP5780408B2 (ja) * 2010-06-28 2015-09-16 株式会社メイト 軟磁性樹脂組成物および電磁波吸収体

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170010734A (ko) * 2015-07-20 2017-02-01 주식회사 아모센스 무선충전용 차폐유닛
KR20190012846A (ko) * 2017-07-28 2019-02-11 전자부품연구원 고투자율의 이종복합자성시트 및 그의 제조방법
KR20210137560A (ko) * 2019-03-19 2021-11-17 코닌클리케 필립스 엔.브이. 무선 전력 전송 및 개선된 이물체 검출을 위한 디바이스 및 방법
KR20220033933A (ko) * 2020-09-10 2022-03-17 에스케이씨 주식회사 무선충전 장치 및 이를 포함하는 이동 수단

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Publication number Publication date
CN103839651A (zh) 2014-06-04
JP2014107539A (ja) 2014-06-09
US20140145807A1 (en) 2014-05-29

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