KR102786140B1 - 인덕터 - Google Patents

인덕터 Download PDF

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Publication number
KR102786140B1
KR102786140B1 KR1020227003575A KR20227003575A KR102786140B1 KR 102786140 B1 KR102786140 B1 KR 102786140B1 KR 1020227003575 A KR1020227003575 A KR 1020227003575A KR 20227003575 A KR20227003575 A KR 20227003575A KR 102786140 B1 KR102786140 B1 KR 102786140B1
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KR
South Korea
Prior art keywords
wiring
length
concave portion
thickness direction
magnetic layer
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KR1020227003575A
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English (en)
Korean (ko)
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KR20220044953A (ko
Inventor
요시히로 후루카와
게이스케 오쿠무라
Original Assignee
닛토덴코 가부시키가이샤
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Publication of KR20220044953A publication Critical patent/KR20220044953A/ko
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Publication of KR102786140B1 publication Critical patent/KR102786140B1/ko
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Classifications

    • 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
    • H01F38/20—Instruments transformers
    • 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
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2823—Wires
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • 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
    • 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
    • H01F1/14—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 metals or alloys
    • H01F1/20—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 metals or alloys in the form of particles, e.g. powder
    • H01F1/22—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • H01F1/26—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
    • 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
    • H01F1/36—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 in the form of particles
    • H01F1/37—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 in the form of particles in a bonding agent
    • 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
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • H01F2017/048—Fixed inductances of the signal type with magnetic core with encapsulating core, e.g. made of resin and magnetic powder

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Coils Or Transformers For Communication (AREA)
KR1020227003575A 2019-08-09 2020-06-19 인덕터 Active KR102786140B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2019-147271 2019-08-09
JP2019147271A JP7485505B2 (ja) 2019-08-09 2019-08-09 インダクタ
PCT/JP2020/024102 WO2021029141A1 (ja) 2019-08-09 2020-06-19 インダクタ

Publications (2)

Publication Number Publication Date
KR20220044953A KR20220044953A (ko) 2022-04-12
KR102786140B1 true KR102786140B1 (ko) 2025-03-24

Family

ID=74570611

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227003575A Active KR102786140B1 (ko) 2019-08-09 2020-06-19 인덕터

Country Status (7)

Country Link
US (2) US12255005B2 (https=)
EP (1) EP4012732B1 (https=)
JP (3) JP7485505B2 (https=)
KR (1) KR102786140B1 (https=)
CN (2) CN121260652A (https=)
TW (2) TW202541056A (https=)
WO (1) WO2021029141A1 (https=)

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* Cited by examiner, † Cited by third party
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JP7407537B2 (ja) * 2019-08-09 2024-01-04 日東電工株式会社 インダクタの製造方法
JP7485505B2 (ja) 2019-08-09 2024-05-16 日東電工株式会社 インダクタ
JP7396324B2 (ja) * 2021-04-20 2023-12-12 株式会社村田製作所 パッケージ基板
JP7761247B2 (ja) * 2021-04-26 2025-10-28 国立研究開発法人産業技術総合研究所 導線、コイル、トランス
JP7512971B2 (ja) * 2021-08-10 2024-07-09 株式会社村田製作所 インダクタ部品
WO2023157796A1 (ja) * 2022-02-15 2023-08-24 株式会社村田製作所 パッケージ基板及びインダクタ部品
JPWO2024195638A1 (https=) * 2023-03-22 2024-09-26
WO2025197832A1 (ja) * 2024-03-18 2025-09-25 日東電工株式会社 インダクタ部材及びインダクタ部材の製造方法

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Also Published As

Publication number Publication date
EP4012732A4 (en) 2023-08-16
TWI888389B (zh) 2025-07-01
WO2021029141A1 (ja) 2021-02-18
JP7485505B2 (ja) 2024-05-16
EP4012732A1 (en) 2022-06-15
TW202109558A (zh) 2021-03-01
US12255005B2 (en) 2025-03-18
JP2021028928A (ja) 2021-02-25
US20220285072A1 (en) 2022-09-08
CN121260652A (zh) 2026-01-02
US20250182951A1 (en) 2025-06-05
TW202541056A (zh) 2025-10-16
JP2024056104A (ja) 2024-04-19
CN114207751B (zh) 2025-11-04
CN114207751A (zh) 2022-03-18
JP2025156583A (ja) 2025-10-14
JP7727781B2 (ja) 2025-08-21
EP4012732B1 (en) 2024-06-19
KR20220044953A (ko) 2022-04-12

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