CN108370085B - 磁隔离器、其制作方法和包括该磁隔离器的装置 - Google Patents

磁隔离器、其制作方法和包括该磁隔离器的装置 Download PDF

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Publication number
CN108370085B
CN108370085B CN201680071388.1A CN201680071388A CN108370085B CN 108370085 B CN108370085 B CN 108370085B CN 201680071388 A CN201680071388 A CN 201680071388A CN 108370085 B CN108370085 B CN 108370085B
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soft magnetic
conductive soft
layer
islands
isolator
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Expired - Fee Related
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CN201680071388.1A
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Chinese (zh)
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CN108370085A (zh
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迈克尔·S·格拉夫
毕普勒博·K·罗伊
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3M Innovative Properties Co
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3M Innovative Properties Co
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00Loop 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
    • H01Q7/06Loop 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208Supports; 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
    • 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
    • H01F1/15333Amorphous metallic alloys, e.g. glassy metals containing nanocrystallites, e.g. obtained by annealing
    • 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
    • H01F1/15358Making agglomerates therefrom, e.g. by pressing
    • H01F1/15366Making agglomerates therefrom, e.g. by pressing using a binder
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36Electric or magnetic shields or screens
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36Electric or magnetic shields or screens
    • H01F27/361Electric or magnetic shields or screens made of combinations of electrically conductive material and ferromagnetic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/32Non-reciprocal transmission devices
    • H01P1/36Isolators
    • H01P1/365Resonance absorption isolators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2291Supports; Mounting means by structural association with other equipment or articles used in bluetooth or WI-FI devices of Wireless Local Area Networks [WLAN]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/008Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems with a particular shape
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14Inductive couplings

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Soft Magnetic Materials (AREA)
  • Thin Magnetic Films (AREA)
CN201680071388.1A 2015-12-08 2016-11-22 磁隔离器、其制作方法和包括该磁隔离器的装置 Expired - Fee Related CN108370085B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562264382P 2015-12-08 2015-12-08
US62/264,382 2015-12-08
PCT/US2016/063241 WO2017099993A1 (en) 2015-12-08 2016-11-22 Magnetic isolator, method of making the same, and device containing the same

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CN108370085A CN108370085A (zh) 2018-08-03
CN108370085B true CN108370085B (zh) 2020-10-20

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US (2) US10734725B2 (enExample)
EP (1) EP3387701A4 (enExample)
JP (1) JP6954908B2 (enExample)
KR (1) KR20180082512A (enExample)
CN (1) CN108370085B (enExample)
WO (1) WO2017099993A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019504482A (ja) 2015-12-08 2019-02-14 スリーエム イノベイティブ プロパティズ カンパニー 磁気遮断材、その製造方法及びそれを含むデバイス
US10734725B2 (en) * 2015-12-08 2020-08-04 3M Innovative Properties Company Magnetic isolator, method of making the same, and device containing the same
KR102671965B1 (ko) * 2017-02-21 2024-06-05 삼성전기주식회사 자성체 시트 및 전자기기
US11605499B2 (en) 2017-08-18 2023-03-14 3M Innovative Properties Company Magnetic film
US20210159000A1 (en) * 2017-08-18 2021-05-27 3M Innovative Properties Company Magnetic film
CN108666115A (zh) * 2018-05-08 2018-10-16 苏州世诺新材料科技有限公司 一种低损耗非晶、纳米晶磁片及其制备方法
CN113168947B (zh) * 2018-12-20 2024-09-06 3M创新有限公司 磁膜
CN109712800B (zh) * 2019-01-31 2024-03-01 麦格磁电科技(珠海)有限公司 一种基于非晶或纳米晶带材的磁性薄片及其制备方法
CN109712801A (zh) * 2019-01-31 2019-05-03 麦格磁电科技(珠海)有限公司 一种基于非晶或纳米晶带材的磁性薄片及其制备方法
KR102234564B1 (ko) 2019-03-21 2021-04-01 에스케이씨 주식회사 무선충전용 파우더, 이의 제조방법 및 이를 포함하는 무선충전용 시트
US11328850B2 (en) * 2019-07-02 2022-05-10 3M Innovative Properties Company Magnetic film including regular pattern of through-cracks
US20220293335A1 (en) * 2019-09-30 2022-09-15 3M Innovative Properties Company Metallic magnetic material with controlled fragment size
CN111277053A (zh) * 2020-02-28 2020-06-12 华为技术有限公司 一种屏蔽膜、线圈组件和无线充电设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007004727A1 (en) * 2005-07-01 2007-01-11 Mitsubishi Steel Mfg. Co., Ltd. Method for manufacturing of insulated soft magnetic metal powder formed body
CN101127267A (zh) * 2007-09-20 2008-02-20 安泰科技股份有限公司 带有表面绝缘涂层的非晶纳米晶软磁合金带材及其制备方法
CN203521092U (zh) * 2013-09-12 2014-04-02 深圳市金瑞中核电子有限公司 一种柔性铁氧体隔磁片
CN104900383A (zh) * 2015-04-27 2015-09-09 安泰科技股份有限公司 无线充电用单/多层导磁片及其制备方法

Family Cites Families (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4836749B1 (enExample) 1968-05-01 1973-11-07
JPH0244521A (ja) * 1988-08-04 1990-02-14 Fujitsu Ltd 垂直磁気ディスクの製造方法
JPH0981980A (ja) * 1995-09-11 1997-03-28 Mitsubishi Chem Corp 保護膜形成方法及び保護膜を有する光磁気記録媒体
US6456466B1 (en) 1999-06-09 2002-09-24 Hitachi, Ltd. Magnetic head with shield layer having discontinuous multi-layer or mixed layer and magnetic recording apparatus utilizing the magnetic head
TW531976B (en) 2001-01-11 2003-05-11 Hanex Co Ltd Communication apparatus and installing structure, manufacturing method and communication method
US6798590B2 (en) * 2002-01-22 2004-09-28 Hitachi Global Storage Technologies Netherlands B.V. Method for contact magnetic transfer of servo pattern to hard magnetic recording disk
JPWO2004107367A1 (ja) * 2003-05-30 2006-07-20 住友電気工業株式会社 軟磁性材料、モータコア、トランスコアおよび軟磁性材料の製造方法
JP4277596B2 (ja) 2003-06-27 2009-06-10 戸田工業株式会社 焼結フェライト基板
JP4691103B2 (ja) 2005-04-20 2011-06-01 株式会社東芝 電磁波対策部品とそれを用いた電子機器
EP1724708B1 (en) 2005-04-26 2016-02-24 Amotech Co., Ltd. Magnetic sheet for radio frequency identification antenna, method of manufacturing the same.
KR100523313B1 (ko) 2005-04-26 2005-10-24 (주) 아모센스 무선 식별 안테나용 압소바 및 이를 이용한 무선 식별안테나
JP4836749B2 (ja) 2006-10-30 2011-12-14 株式会社東芝 磁性シートの製造方法
EP2130936A4 (en) 2007-03-22 2015-10-28 Hitachi Metals Ltd SOFT MAGNETIC TAPE, MAGNETIC CORE, MAGNETIC PART AND METHOD FOR PRODUCING A SOFT MAGNETIC TAPE
JP5445890B2 (ja) * 2007-03-22 2014-03-19 日立金属株式会社 軟磁性薄帯、磁心、磁性部品、および軟磁性薄帯の製造方法
JP4497198B2 (ja) * 2007-12-06 2010-07-07 トヨタ自動車株式会社 永久磁石とその製造方法、およびロータとipmモータ
JP4369519B2 (ja) 2008-01-29 2009-11-25 株式会社Maruwa フェライトシート複合体及びその製造方法
JP5324105B2 (ja) 2008-01-29 2013-10-23 スリーエム イノベイティブ プロパティズ カンパニー 構造化表面を有する感圧接着層を含む電磁干渉抑制シート
JP2010165868A (ja) 2009-01-15 2010-07-29 Three M Innovative Properties Co ゲル状組成物
US9222145B2 (en) 2009-01-20 2015-12-29 Hitachi Metals, Ltd. Soft magnetic alloy ribbon and its production method, and magnetic device having soft magnetic alloy ribbon
JP2010238914A (ja) * 2009-03-31 2010-10-21 Mitsubishi Materials Corp 高強度低損失複合軟磁性材の製造方法と高強度低損失複合軟磁性材
KR101197684B1 (ko) * 2009-04-07 2012-11-05 주식회사 아모텍 자성시트, 자성시트와 일체화된 방사체 패턴을 구비한 무선 식별 안테나 및 그 제조방법
US8415784B2 (en) * 2009-06-02 2013-04-09 Napra Co., Ltd. Electronic device, conductive composition, metal filling apparatus, and electronic device manufacturing method
JP4927983B2 (ja) * 2010-04-09 2012-05-09 日立化成工業株式会社 圧粉磁心及びその製造方法
US8508413B2 (en) * 2010-04-16 2013-08-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Antenna with dielectric having geometric patterns
KR101199750B1 (ko) 2010-06-22 2012-11-08 중앙대학교 산학협력단 장기간 건성안 토끼 동물모델 및 이를 이용한 건성안 예방 또는 치료용 약물 스크리닝 방법
WO2012067846A1 (en) 2010-11-18 2012-05-24 3M Innovative Properties Company Electromagnetic wave isolator
JP5070353B1 (ja) 2011-04-08 2012-11-14 株式会社Maruwa フェライト複合シートとその製造方法及びそのようなフェライト複合シートに用いられる焼結フェライト小片
TW202410085A (zh) * 2011-06-30 2024-03-01 美商皮爾西蒙科技公司 用於製造結構化之材料之系統及方法
US9252611B2 (en) * 2011-12-21 2016-02-02 Amosense Co., Ltd. Magnetic field shielding sheet for a wireless charger, method for manufacturing same, and receiving apparatus for a wireless charger using the sheet
KR101851426B1 (ko) 2012-01-10 2018-04-23 쓰리엠 이노베이티브 프로퍼티즈 컴파니 구멍-드릴링된 소결 페라이트 시트, 안테나 아이솔레이터, 및 안테나 모듈
JP6229499B2 (ja) * 2012-01-18 2017-11-15 日立金属株式会社 圧粉磁心、コイル部品および圧粉磁心の製造方法
US9134465B1 (en) * 2012-11-03 2015-09-15 Fractal Antenna Systems, Inc. Deflective electromagnetic shielding
WO2014088954A1 (en) 2012-12-06 2014-06-12 3M Innovative Properties Company Ferrite green sheet, sintered ferrite sheet, ferrite composite sheet comprising the same, and conductive loop antenna module
TW201429051A (zh) 2013-01-09 2014-07-16 3M Innovative Properties Co 經鑽孔的燒結鐵氧體薄片、天線隔離器及天線模組
WO2014157517A1 (ja) * 2013-03-27 2014-10-02 日立化成株式会社 リアクトル用圧粉磁心
KR20140128667A (ko) 2013-04-29 2014-11-06 삼성전기주식회사 정전 방전 보호 소자 및 그 제조 방법, 그리고 상기 정전 방전 보호 소자를 구비하는 칩 부품
WO2015013585A1 (en) * 2013-07-26 2015-01-29 University Of Florida Research Foundation, Incorporated Nanocomposite magnetic materials for magnetic devices and systems
JP6051128B2 (ja) * 2013-09-03 2016-12-27 山陽特殊製鋼株式会社 磁性部材用絶縁被覆粉末
KR101813301B1 (ko) * 2013-10-14 2017-12-28 삼성전기주식회사 자성시트, 무선충전 모듈 및 자성시트 제조방법
KR101686989B1 (ko) * 2014-08-07 2016-12-19 주식회사 모다이노칩 파워 인덕터
JP2019504482A (ja) 2015-12-08 2019-02-14 スリーエム イノベイティブ プロパティズ カンパニー 磁気遮断材、その製造方法及びそれを含むデバイス
US20180359885A1 (en) 2015-12-08 2018-12-13 3M Innovative Properties Company Magnetic isolator, method of making the same, and device containing the same
US10734725B2 (en) * 2015-12-08 2020-08-04 3M Innovative Properties Company Magnetic isolator, method of making the same, and device containing the same
US10741327B2 (en) * 2017-01-30 2020-08-11 International Business Machines Corporation Inductors in BEOL with particulate magnetic cores

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007004727A1 (en) * 2005-07-01 2007-01-11 Mitsubishi Steel Mfg. Co., Ltd. Method for manufacturing of insulated soft magnetic metal powder formed body
CN101127267A (zh) * 2007-09-20 2008-02-20 安泰科技股份有限公司 带有表面绝缘涂层的非晶纳米晶软磁合金带材及其制备方法
CN203521092U (zh) * 2013-09-12 2014-04-02 深圳市金瑞中核电子有限公司 一种柔性铁氧体隔磁片
CN104900383A (zh) * 2015-04-27 2015-09-09 安泰科技股份有限公司 无线充电用单/多层导磁片及其制备方法

Also Published As

Publication number Publication date
CN108370085A (zh) 2018-08-03
KR20180082512A (ko) 2018-07-18
US10734725B2 (en) 2020-08-04
EP3387701A1 (en) 2018-10-17
EP3387701A4 (en) 2019-06-19
JP2018538697A (ja) 2018-12-27
US20200358192A1 (en) 2020-11-12
JP6954908B2 (ja) 2021-10-27
US20180375210A1 (en) 2018-12-27
WO2017099993A1 (en) 2017-06-15

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