JP7362269B2 - インダクタ - Google Patents

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Publication number
JP7362269B2
JP7362269B2 JP2019044778A JP2019044778A JP7362269B2 JP 7362269 B2 JP7362269 B2 JP 7362269B2 JP 2019044778 A JP2019044778 A JP 2019044778A JP 2019044778 A JP2019044778 A JP 2019044778A JP 7362269 B2 JP7362269 B2 JP 7362269B2
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JP
Japan
Prior art keywords
section
region
inductor
magnetic particles
viewed
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.)
Active
Application number
JP2019044778A
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English (en)
Japanese (ja)
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JP2020150065A5 (enExample
JP2020150065A (ja
Inventor
圭佑 奥村
佳宏 古川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
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
Priority to JP2019044778A priority Critical patent/JP7362269B2/ja
Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp
Priority to PCT/JP2020/004232 priority patent/WO2020183993A1/ja
Priority to CN202080016827.5A priority patent/CN113474856B/zh
Priority to KR1020217028621A priority patent/KR102852328B1/ko
Priority to US17/437,663 priority patent/US12706238B2/en
Priority to TW109104965A priority patent/TWI845611B/zh
Publication of JP2020150065A publication Critical patent/JP2020150065A/ja
Publication of JP2020150065A5 publication Critical patent/JP2020150065A5/ja
Application granted granted Critical
Publication of JP7362269B2 publication Critical patent/JP7362269B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • 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
    • H01F1/14—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
    • H01F1/28—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 dispersed or suspended in a bonding agent
    • 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
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/32—Composite [nonstructural laminate] of inorganic material having metal-compound-containing layer and having defined magnetic layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Soft Magnetic Materials (AREA)
JP2019044778A 2019-03-12 2019-03-12 インダクタ Active JP7362269B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2019044778A JP7362269B2 (ja) 2019-03-12 2019-03-12 インダクタ
CN202080016827.5A CN113474856B (zh) 2019-03-12 2020-02-05 电感器
KR1020217028621A KR102852328B1 (ko) 2019-03-12 2020-02-05 인덕터
US17/437,663 US12706238B2 (en) 2019-03-12 2020-02-05 Inductor
PCT/JP2020/004232 WO2020183993A1 (ja) 2019-03-12 2020-02-05 インダクタ
TW109104965A TWI845611B (zh) 2019-03-12 2020-02-17 電感器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019044778A JP7362269B2 (ja) 2019-03-12 2019-03-12 インダクタ

Publications (3)

Publication Number Publication Date
JP2020150065A JP2020150065A (ja) 2020-09-17
JP2020150065A5 JP2020150065A5 (enExample) 2022-03-18
JP7362269B2 true JP7362269B2 (ja) 2023-10-17

Family

ID=72426223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019044778A Active JP7362269B2 (ja) 2019-03-12 2019-03-12 インダクタ

Country Status (6)

Country Link
US (1) US12706238B2 (enExample)
JP (1) JP7362269B2 (enExample)
KR (1) KR102852328B1 (enExample)
CN (1) CN113474856B (enExample)
TW (1) TWI845611B (enExample)
WO (1) WO2020183993A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7424331B2 (ja) 2021-03-17 2024-01-30 株式会社村田製作所 インダクタ部品およびその製造方法
JP7531085B2 (ja) 2021-06-01 2024-08-09 株式会社村田製作所 インダクタ部品およびその製造方法

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JP2017037888A (ja) 2015-08-07 2017-02-16 国立大学法人信州大学 磁性粉モールドコイル及びその製造方法

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Also Published As

Publication number Publication date
WO2020183993A1 (ja) 2020-09-17
TW202101487A (zh) 2021-01-01
KR102852328B1 (ko) 2025-08-28
KR20210137030A (ko) 2021-11-17
US20220165481A1 (en) 2022-05-26
CN113474856A (zh) 2021-10-01
JP2020150065A (ja) 2020-09-17
US12706238B2 (en) 2026-08-11
TWI845611B (zh) 2024-06-21
CN113474856B (zh) 2025-04-29

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