JPWO2023026890A1 - - Google Patents

Info

Publication number
JPWO2023026890A1
JPWO2023026890A1 JP2023543819A JP2023543819A JPWO2023026890A1 JP WO2023026890 A1 JPWO2023026890 A1 JP WO2023026890A1 JP 2023543819 A JP2023543819 A JP 2023543819A JP 2023543819 A JP2023543819 A JP 2023543819A JP WO2023026890 A1 JPWO2023026890 A1 JP WO2023026890A1
Authority
JP
Japan
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.)
Pending
Application number
JP2023543819A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPWO2023026890A1 publication Critical patent/JPWO2023026890A1/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop 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
    • H01Q7/06—Loop 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
    • 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
    • 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
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop 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
    • H01Q7/06—Loop 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
    • H01Q7/08—Ferrite rod or like elongated core
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Soft Magnetic Materials (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Coils Or Transformers For Communication (AREA)
JP2023543819A 2021-08-26 2022-08-15 Pending JPWO2023026890A1 (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021138205 2021-08-26
PCT/JP2022/030879 WO2023026890A1 (ja) 2021-08-26 2022-08-15 フェライトシート並びにそれを用いたアンテナ装置及び非接触給電装置

Publications (1)

Publication Number Publication Date
JPWO2023026890A1 true JPWO2023026890A1 (https=) 2023-03-02

Family

ID=85321929

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023543819A Pending JPWO2023026890A1 (https=) 2021-08-26 2022-08-15

Country Status (7)

Country Link
US (1) US20240243476A1 (https=)
EP (1) EP4394813A4 (https=)
JP (1) JPWO2023026890A1 (https=)
KR (1) KR20240043806A (https=)
CN (1) CN117859184A (https=)
TW (1) TW202309939A (https=)
WO (1) WO2023026890A1 (https=)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005015293A (ja) * 2003-06-27 2005-01-20 Toda Kogyo Corp 焼結フェライト基板
WO2006129704A1 (ja) * 2005-06-03 2006-12-07 Murata Manufacturing Co., Ltd. フェライトシート及びその製造方法
JP2007123373A (ja) * 2005-10-26 2007-05-17 Tdk Corp ノイズ対策用複合磁性シート積層体及びその装着方法
JP2016076645A (ja) * 2014-10-08 2016-05-12 Tdk株式会社 平面コイル
JPWO2018155162A1 (ja) * 2017-02-23 2019-12-12 株式会社村田製作所 シールド板付き電子部品及び電子部品用シールド板
JP2020083731A (ja) * 2018-11-30 2020-06-04 パナソニックＩｐマネジメント株式会社 フェライトシート及びそれを用いたコイルモジュール

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2060076T3 (da) * 2006-08-21 2011-06-27 Interdigital Tech Corp Fremgangsmåde og apparat til at forhindre transmissionsblokering i et trådløst HSUPA-kommunikationssystem
JP4608474B2 (ja) 2006-11-10 2011-01-12 北川工業株式会社 複合磁性部材
JP5023377B2 (ja) * 2007-05-30 2012-09-12 北川工業株式会社 セラミックシート
JP4936391B2 (ja) 2007-11-07 2012-05-23 北川工業株式会社 セラミックシート
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
US9640304B2 (en) * 2012-07-12 2017-05-02 Skc Co., Ltd. Ceramic laminate sheet with flexibility and preparation method thereof
KR20140040460A (ko) * 2012-09-26 2014-04-03 삼성전기주식회사 자성 기판 및 자성 기판 제조 방법
KR20140062730A (ko) * 2012-11-15 2014-05-26 삼성전기주식회사 자성시트 및 이의 제조방법
JP6127959B2 (ja) * 2013-12-20 2017-05-17 Tdk株式会社 フェライト組成物、フェライトプレート、アンテナ素子用部材、およびアンテナ素子
KR101762778B1 (ko) * 2014-03-04 2017-07-28 엘지이노텍 주식회사 무선 충전 및 통신 기판 그리고 무선 충전 및 통신 장치
US10931152B2 (en) * 2015-07-20 2021-02-23 Amosense Co., Ltd. Method of manufacturing magnetic field shielding sheet and magnetic field shielding sheet formed thereby
KR20170093029A (ko) * 2016-02-04 2017-08-14 주식회사 아모센스 무선전력 전송모듈용 차폐유닛 및 이를 구비한 무선전력 전송모듈
US10578049B2 (en) * 2017-04-28 2020-03-03 Mahle International Gmbh Thermal barrier coating for engine combustion component
US11192184B2 (en) * 2019-06-20 2021-12-07 Southwest Research Institute Engineered platelets for additive manufacturing
FR3119252B1 (fr) * 2021-01-26 2023-01-06 Commissariat A L’Energie Atomique Et Aux Energies Alternatives Dispositif de protection et de supervision d’un système électronique comprenant au moins un composant électronique. Procédé associé de protection et de supervision de l’intégrité du système électronique et du dispositif, et de brouillage d’attaques.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005015293A (ja) * 2003-06-27 2005-01-20 Toda Kogyo Corp 焼結フェライト基板
WO2006129704A1 (ja) * 2005-06-03 2006-12-07 Murata Manufacturing Co., Ltd. フェライトシート及びその製造方法
JP2007123373A (ja) * 2005-10-26 2007-05-17 Tdk Corp ノイズ対策用複合磁性シート積層体及びその装着方法
JP2016076645A (ja) * 2014-10-08 2016-05-12 Tdk株式会社 平面コイル
JPWO2018155162A1 (ja) * 2017-02-23 2019-12-12 株式会社村田製作所 シールド板付き電子部品及び電子部品用シールド板
JP2020083731A (ja) * 2018-11-30 2020-06-04 パナソニックＩｐマネジメント株式会社 フェライトシート及びそれを用いたコイルモジュール

Also Published As

Publication number Publication date
TW202309939A (zh) 2023-03-01
CN117859184A (zh) 2024-04-09
EP4394813A4 (en) 2025-08-27
WO2023026890A1 (ja) 2023-03-02
EP4394813A1 (en) 2024-07-03
KR20240043806A (ko) 2024-04-03
US20240243476A1 (en) 2024-07-18

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