CN110168676B - 电感器及包括该电感器的emi滤波器 - Google Patents

电感器及包括该电感器的emi滤波器 Download PDF

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Publication number
CN110168676B
CN110168676B CN201880005850.7A CN201880005850A CN110168676B CN 110168676 B CN110168676 B CN 110168676B CN 201880005850 A CN201880005850 A CN 201880005850A CN 110168676 B CN110168676 B CN 110168676B
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magnet
inductor
thickness
magnetic core
permeability
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Chinese (zh)
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CN110168676A (zh
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李美珍
宋知妍
金宥宣
林倧稶
裵硕
李相元
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LG Innotek Co Ltd
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LG Innotek Co Ltd
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Priority claimed from PCT/KR2018/000041 external-priority patent/WO2018128352A1/ko
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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
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/0006—Printed inductances
    • H01F17/0013—Printed inductances with stacked layers
    • 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
    • H01F27/24—Magnetic cores
    • H01F27/25—Magnetic cores made from strips or ribbons
    • 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
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F17/062—Toroidal core with turns of coil around it
    • 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
    • H01F27/24—Magnetic cores
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
    • 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
    • H01F27/24—Magnetic cores
    • H01F27/255—Magnetic cores made from particles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/04—Cores, Yokes, or armatures made from strips or ribbons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/08—Cores, Yokes, or armatures made from powder
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • 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
    • H01F41/02—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 manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
    • 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
    • H01F41/02—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 manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
    • H01F41/0226—Manufacturing of magnetic circuits made from strip(s) or ribbon(s) from amorphous ribbons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F2003/106—Magnetic circuits using combinations of different magnetic materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F2017/0093—Common mode choke coil
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F2017/065—Core mounted around conductor to absorb noise, e.g. EMI filter

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Filters And Equalizers (AREA)
  • Soft Magnetic Materials (AREA)
CN201880005850.7A 2017-01-03 2018-01-02 电感器及包括该电感器的emi滤波器 Active CN110168676B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR10-2017-0000745 2017-01-03
KR20170000745 2017-01-03
KR1020170113223A KR102145921B1 (ko) 2017-01-03 2017-09-05 인덕터 및 이를 포함하는 emi 필터
KR10-2017-0113223 2017-09-05
PCT/KR2018/000041 WO2018128352A1 (ko) 2017-01-03 2018-01-02 인덕터 및 이를 포함하는 emi 필터

Publications (2)

Publication Number Publication Date
CN110168676A CN110168676A (zh) 2019-08-23
CN110168676B true CN110168676B (zh) 2021-07-23

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US (3) US11289252B2 (enExample)
EP (2) EP3567613B1 (enExample)
JP (2) JP7130645B2 (enExample)
KR (2) KR102145921B1 (enExample)
CN (1) CN110168676B (enExample)

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US10714988B2 (en) * 2017-08-24 2020-07-14 Uchicago Argonne, Llc Permanent magnet design to enable higher magnetic flux density
WO2019176686A1 (ja) * 2018-03-15 2019-09-19 三菱電機株式会社 リアクトル
GB201816833D0 (en) * 2018-10-16 2018-11-28 Univ College Cork National Univ Of Ireland Cork A vertical magnetic structure for integrated power conversion
AU2019394796B2 (en) * 2018-12-06 2025-04-03 Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College Method and system for applying pulsed electric fields with high uniformity using magnetic cores
KR102483815B1 (ko) * 2018-12-26 2023-01-03 주식회사 아모그린텍 하이브리드 인덕터 및 이를 이용한 emi 필터
KR102261729B1 (ko) * 2019-07-19 2021-06-08 엘지이노텍 주식회사 자성 코어
KR102250786B1 (ko) 2019-09-06 2021-05-18 주식회사 케미 Emi 필터
KR102250787B1 (ko) 2019-09-06 2021-05-18 주식회사 케미 Emi 필터
JP6860716B1 (ja) * 2020-02-05 2021-04-21 株式会社リケン ノイズ対策用環状磁性体
JP7337272B2 (ja) * 2020-06-08 2023-09-01 三菱電機株式会社 ノイズフィルタ及びそれを用いた電力変換装置
US11817720B2 (en) * 2021-02-04 2023-11-14 Hevo Inc. Transmitter assembly and methods for making and using the same
WO2022202702A1 (ja) * 2021-03-24 2022-09-29 東京エレクトロン株式会社 プラズマ処理装置及びフィルタユニット
US20220336143A1 (en) * 2021-04-16 2022-10-20 Apple Inc. Hybrid ferromagnetic core
TWI809507B (zh) * 2021-09-16 2023-07-21 林訓毅 模組化變壓器之二次側大電流結構
CN117941017A (zh) * 2021-09-17 2024-04-26 美国圣戈班性能塑料公司 磁性多层复合材料及其形成方法
DE102022101327A1 (de) * 2022-01-20 2023-07-20 SUMIDA Components & Modules GmbH Ferritrohrkern, Entstördrossel mit einem solchen Ferritrohrkern und Verfahren zum Bilden eines Ferritrohrkerns
CN114613576A (zh) * 2022-02-09 2022-06-10 合肥博微田村电气有限公司 一种高频变压器和电感的磁集成元件
JPWO2024095765A1 (enExample) 2022-10-31 2024-05-10

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US11955262B2 (en) 2024-04-09
US20190355500A1 (en) 2019-11-21
EP3567613A4 (en) 2020-08-12
EP3937197A1 (en) 2022-01-12
EP3567613B1 (en) 2023-03-29
JP2020503676A (ja) 2020-01-30
KR102145921B1 (ko) 2020-08-28
KR20180080093A (ko) 2018-07-11
EP3937197B1 (en) 2025-08-20
US20240212902A1 (en) 2024-06-27
CN110168676A (zh) 2019-08-23
JP7345026B2 (ja) 2023-09-14
KR20200019931A (ko) 2020-02-25
US20220199305A1 (en) 2022-06-23
EP3567613A1 (en) 2019-11-13
JP2022174101A (ja) 2022-11-22
KR102375650B1 (ko) 2022-03-18
JP7130645B2 (ja) 2022-09-05
US11289252B2 (en) 2022-03-29
US12482586B2 (en) 2025-11-25

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