JP7485505B2 - インダクタ - Google Patents

インダクタ Download PDF

Info

Publication number
JP7485505B2
JP7485505B2 JP2019147271A JP2019147271A JP7485505B2 JP 7485505 B2 JP7485505 B2 JP 7485505B2 JP 2019147271 A JP2019147271 A JP 2019147271A JP 2019147271 A JP2019147271 A JP 2019147271A JP 7485505 B2 JP7485505 B2 JP 7485505B2
Authority
JP
Japan
Prior art keywords
wiring
recess
opposing portion
magnetic layer
thickness direction
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
JP2019147271A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021028928A (ja
Inventor
佳宏 古川
圭佑 奥村
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 JP2019147271A priority Critical patent/JP7485505B2/ja
Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp
Priority to CN202080056602.2A priority patent/CN114207751B/zh
Priority to PCT/JP2020/024102 priority patent/WO2021029141A1/ja
Priority to US17/633,453 priority patent/US12255005B2/en
Priority to CN202511494512.2A priority patent/CN121260652A/zh
Priority to KR1020227003575A priority patent/KR102786140B1/ko
Priority to EP20852096.5A priority patent/EP4012732B1/en
Priority to TW109121805A priority patent/TWI888389B/zh
Priority to TW114121134A priority patent/TW202541056A/zh
Publication of JP2021028928A publication Critical patent/JP2021028928A/ja
Priority to JP2024037592A priority patent/JP7727781B2/ja
Application granted granted Critical
Publication of JP7485505B2 publication Critical patent/JP7485505B2/ja
Priority to US19/046,079 priority patent/US20250182951A1/en
Priority to JP2025133755A priority patent/JP2025156583A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H01F27/24—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
    • H01F27/2823—Wires
    • 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
    • H01F27/28—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
    • H01F27/32—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)
JP2019147271A 2019-08-09 2019-08-09 インダクタ Active JP7485505B2 (ja)

Priority Applications (12)

Application Number Priority Date Filing Date Title
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
US17/633,453 US12255005B2 (en) 2019-08-09 2020-06-19 Inductor
CN202511494512.2A CN121260652A (zh) 2019-08-09 2020-06-19 电感器
KR1020227003575A KR102786140B1 (ko) 2019-08-09 2020-06-19 인덕터
EP20852096.5A EP4012732B1 (en) 2019-08-09 2020-06-19 Inductor
CN202080056602.2A CN114207751B (zh) 2019-08-09 2020-06-19 电感器
TW109121805A TWI888389B (zh) 2019-08-09 2020-06-29 電感器
TW114121134A TW202541056A (zh) 2019-08-09 2020-06-29 電感器
JP2024037592A JP7727781B2 (ja) 2019-08-09 2024-03-11 インダクタ
US19/046,079 US20250182951A1 (en) 2019-08-09 2025-02-05 Inductor
JP2025133755A JP2025156583A (ja) 2019-08-09 2025-08-08 インダクタ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019147271A JP7485505B2 (ja) 2019-08-09 2019-08-09 インダクタ

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024037592A Division JP7727781B2 (ja) 2019-08-09 2024-03-11 インダクタ

Publications (2)

Publication Number Publication Date
JP2021028928A JP2021028928A (ja) 2021-02-25
JP7485505B2 true JP7485505B2 (ja) 2024-05-16

Family

ID=74570611

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2019147271A Active JP7485505B2 (ja) 2019-08-09 2019-08-09 インダクタ
JP2024037592A Active JP7727781B2 (ja) 2019-08-09 2024-03-11 インダクタ
JP2025133755A Pending JP2025156583A (ja) 2019-08-09 2025-08-08 インダクタ

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2024037592A Active JP7727781B2 (ja) 2019-08-09 2024-03-11 インダクタ
JP2025133755A Pending JP2025156583A (ja) 2019-08-09 2025-08-08 インダクタ

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=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024056104A (ja) * 2019-08-09 2024-04-19 日東電工株式会社 インダクタ

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001185421A (ja) 1998-12-28 2001-07-06 Matsushita Electric Ind Co Ltd 磁性素子およびその製造方法
JP2008288370A (ja) 2007-05-17 2008-11-27 Nec Tokin Corp 面実装インダクタおよびその製造方法
JP2012526383A (ja) 2009-05-04 2012-10-25 クーパー テクノロジーズ カンパニー 磁気部品とその製造方法
JP2014165363A (ja) 2013-02-26 2014-09-08 Nitto Denko Corp 軟磁性熱硬化性接着フィルム、軟磁性フィルム積層回路基板、および、位置検出装置
WO2018057227A1 (en) 2016-09-22 2018-03-29 Apple Inc. Coupled inductor structures utilizing magnetic films
JP2018125527A (ja) 2017-01-30 2018-08-09 太陽誘電株式会社 コイル部品
US20190051449A1 (en) 2015-09-22 2019-02-14 Apple Inc. Integrated magnetic passive devices using magnetic film

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6010228U (ja) 1983-06-30 1985-01-24 ティーディーケイ株式会社 被覆電線
JPS617013U (ja) 1984-06-16 1986-01-16 富士電気化学株式会社 インダクタ・モジユ−ル
JP2958893B2 (ja) 1988-06-20 1999-10-06 株式会社東芝 平面インダクタ
US4959631A (en) 1987-09-29 1990-09-25 Kabushiki Kaisha Toshiba Planar inductor
JPH01146424A (ja) * 1987-12-02 1989-06-08 Sharp Corp 出力バッファ回路
JPH01146424U (https=) * 1988-03-31 1989-10-09
JP3202290B2 (ja) 1991-12-28 2001-08-27 ティーディーケイ株式会社 インダクタンス素子
JPH05283238A (ja) * 1992-03-31 1993-10-29 Sony Corp トランス
JPH06181123A (ja) 1992-12-14 1994-06-28 Mitsubishi Electric Corp ノイズ吸収用ビーズコア
JP3796290B2 (ja) 1996-05-15 2006-07-12 Ｎｅｃトーキン株式会社 電子部品及びその製造方法
JPH10144526A (ja) 1996-11-05 1998-05-29 Murata Mfg Co Ltd 積層チップインダクタ
JPH11186045A (ja) 1997-12-22 1999-07-09 Tdk Corp ノイズ除去部品
US6392525B1 (en) 1998-12-28 2002-05-21 Matsushita Electric Industrial Co., Ltd. Magnetic element and method of manufacturing the same
EP1360705A2 (en) * 2001-01-22 2003-11-12 Flatcoil Solutions Ltd Flat coil
JP3949072B2 (ja) 2003-03-26 2007-07-25 日機装株式会社 加圧装置
US7489219B2 (en) 2003-07-16 2009-02-10 Marvell World Trade Ltd. Power inductor with reduced DC current saturation
US7864015B2 (en) 2006-04-26 2011-01-04 Vishay Dale Electronics, Inc. Flux channeled, high current inductor
JP5054445B2 (ja) * 2007-06-26 2012-10-24 スミダコーポレーション株式会社 コイル部品
JP5200494B2 (ja) 2007-11-08 2013-06-05 パナソニック株式会社 カップルドインダクタ
JP2009129937A (ja) 2007-11-20 2009-06-11 Nec Tokin Corp インダクタ
EP2619768B1 (en) 2010-09-23 2016-06-08 3M Innovative Properties Company Shielded electrical cable
JP4999028B1 (ja) 2011-10-26 2012-08-15 株式会社Ｍａｒｕｗａ インピーダンス素子
KR101792281B1 (ko) * 2012-12-14 2017-11-01 삼성전기주식회사 파워 인덕터 및 그 제조 방법
JP2015026812A (ja) * 2013-07-29 2015-02-05 サムソン エレクトロ−メカニックス カンパニーリミテッド． チップ電子部品及びその製造方法
JP2016072556A (ja) * 2014-10-01 2016-05-09 株式会社村田製作所 電子部品
KR20160136127A (ko) * 2015-05-19 2016-11-29 삼성전기주식회사 코일 전자부품 및 그 제조방법
JP2017005115A (ja) 2015-06-10 2017-01-05 日東電工株式会社 コイルモジュールおよびその製造方法
KR101719908B1 (ko) 2015-07-01 2017-03-24 삼성전기주식회사 코일 전자부품 및 그 제조방법
KR101719916B1 (ko) 2015-08-18 2017-03-24 삼성전기주식회사 코일 전자 부품
CN106515126B (zh) * 2016-11-08 2018-11-02 广东小天才科技有限公司 磁性叠层结构、磁性叠层结构的制备方法及输入装置
JP7030022B2 (ja) * 2018-06-21 2022-03-04 日東電工株式会社 インダクタ
JP7325197B2 (ja) 2019-03-12 2023-08-14 日東電工株式会社 インダクタ
JP7485505B2 (ja) 2019-08-09 2024-05-16 日東電工株式会社 インダクタ

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001185421A (ja) 1998-12-28 2001-07-06 Matsushita Electric Ind Co Ltd 磁性素子およびその製造方法
JP2008288370A (ja) 2007-05-17 2008-11-27 Nec Tokin Corp 面実装インダクタおよびその製造方法
JP2012526383A (ja) 2009-05-04 2012-10-25 クーパー テクノロジーズ カンパニー 磁気部品とその製造方法
JP2014165363A (ja) 2013-02-26 2014-09-08 Nitto Denko Corp 軟磁性熱硬化性接着フィルム、軟磁性フィルム積層回路基板、および、位置検出装置
US20190051449A1 (en) 2015-09-22 2019-02-14 Apple Inc. Integrated magnetic passive devices using magnetic film
WO2018057227A1 (en) 2016-09-22 2018-03-29 Apple Inc. Coupled inductor structures utilizing magnetic films
JP2018125527A (ja) 2017-01-30 2018-08-09 太陽誘電株式会社 コイル部品

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024056104A (ja) * 2019-08-09 2024-04-19 日東電工株式会社 インダクタ
US12255005B2 (en) 2019-08-09 2025-03-18 Nitto Denko Corporation Inductor
JP7727781B2 (ja) 2019-08-09 2025-08-21 日東電工株式会社 インダクタ

Also Published As

Publication number Publication date
EP4012732A4 (en) 2023-08-16
TWI888389B (zh) 2025-07-01
KR102786140B1 (ko) 2025-03-24
WO2021029141A1 (ja) 2021-02-18
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

Similar Documents

Publication Publication Date Title
JP7485505B2 (ja) インダクタ
TWI875733B (zh) 電感器
KR102870719B1 (ko) 인덕터
CN113544806B (zh) 电感器的制造方法
JP2025061350A (ja) インダクタ
JP7407537B2 (ja) インダクタの製造方法
CN113544804B (zh) 电感器
JP7747430B2 (ja) インダクタ
TW202542943A (zh) 電感器

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220713

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230725

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230921

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20231212

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240311

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20240319

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240416

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240502

R150 Certificate of patent or registration of utility model

Ref document number: 7485505

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150