EP1444706A1 - Composant inductif et son procede de production - Google Patents

Composant inductif et son procede de production

Info

Publication number
EP1444706A1
EP1444706A1 EP02785387A EP02785387A EP1444706A1 EP 1444706 A1 EP1444706 A1 EP 1444706A1 EP 02785387 A EP02785387 A EP 02785387A EP 02785387 A EP02785387 A EP 02785387A EP 1444706 A1 EP1444706 A1 EP 1444706A1
Authority
EP
European Patent Office
Prior art keywords
powder
inductive component
shape
alloy powder
particles
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.)
Granted
Application number
EP02785387A
Other languages
German (de)
English (en)
Other versions
EP1444706B1 (fr
Inventor
Markus Brunner
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.)
Vacuumschmelze GmbH and Co KG
Original Assignee
Vacuumschmelze GmbH and Co KG
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 by Vacuumschmelze GmbH and Co KG filed Critical Vacuumschmelze GmbH and Co KG
Publication of EP1444706A1 publication Critical patent/EP1444706A1/fr
Application granted granted Critical
Publication of EP1444706B1 publication Critical patent/EP1444706B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H01F41/04—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 for manufacturing coils
    • H01F41/041—Printed circuit coils
    • H01F41/046—Printed circuit coils structurally combined with ferromagnetic material
    • 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
    • H01F17/045—Fixed inductances of the signal type  with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core
    • 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
    • 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
    • H01F41/005—Impregnating or encapsulating
    • 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
    • H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
    • 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
    • H01F27/02—Casings
    • H01F27/027—Casings specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Soft Magnetic Materials (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

L'invention concerne un composant inductif (10; 20; 30) présentant au moins un enroulement (12; 22; 32) et un noyau ferromagnétique doux (11; 21; 31) constitué d'un matériau composite ferromagnétique pulvérulent. Selon l'invention, ledit matériau composite ferromagnétique pulvérulent contient un mélange composé de poudres d'alliages comportant des particules de poudre qui présentent une anisotropie de forme et des particules de poudre qui présentent une isotropie de forme, ainsi qu'une résine de coulée.
EP02785387A 2001-11-14 2002-11-13 Composant inductif et son procede de production Expired - Lifetime EP1444706B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10155898A DE10155898A1 (de) 2001-11-14 2001-11-14 Induktives Bauelement und Verfahren zu seiner Herstellung
DE10155898 2001-11-14
PCT/EP2002/012708 WO2003043033A1 (fr) 2001-11-14 2002-11-13 Composant inductif et son procede de production

Publications (2)

Publication Number Publication Date
EP1444706A1 true EP1444706A1 (fr) 2004-08-11
EP1444706B1 EP1444706B1 (fr) 2009-01-14

Family

ID=7705704

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02785387A Expired - Lifetime EP1444706B1 (fr) 2001-11-14 2002-11-13 Composant inductif et son procede de production

Country Status (5)

Country Link
US (1) US7230514B2 (fr)
EP (1) EP1444706B1 (fr)
JP (1) JP2005510049A (fr)
DE (2) DE10155898A1 (fr)
WO (1) WO2003043033A1 (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10024824A1 (de) * 2000-05-19 2001-11-29 Vacuumschmelze Gmbh Induktives Bauelement und Verfahren zu seiner Herstellung
US20050007232A1 (en) * 2003-06-12 2005-01-13 Nec Tokin Corporation Magnetic core and coil component using the same
JP2007281009A (ja) * 2006-04-03 2007-10-25 Yaskawa Electric Corp 機能性複合材料
DE102006017844B4 (de) * 2006-04-18 2013-02-21 Siemens Aktiengesellschaft Verfahren zur Herstellung eines Permanentmagneten für eine elektrodynamische Maschine
JP4921154B2 (ja) * 2006-05-16 2012-04-25 株式会社デンソー リアクトル及びこれを内蔵した電力変換装置
US20080036566A1 (en) 2006-08-09 2008-02-14 Andrzej Klesyk Electronic Component And Methods Relating To Same
JP4924811B2 (ja) * 2006-12-08 2012-04-25 住友電気工業株式会社 軟磁性複合材料の製造方法
US8125305B2 (en) * 2007-05-21 2012-02-28 Kabushiki Kaisha Toshiba Inductance element, method for manufacturing the same, and switching power supply using the same
US8339227B2 (en) * 2007-12-12 2012-12-25 Panasonic Corporation Inductance part and method for manufacturing the same
US8512628B2 (en) * 2009-01-22 2013-08-20 Ngk Insulators, Ltd. Method for manufacturing a fired ceramic body including a metallic wire inside
JP5325799B2 (ja) * 2009-01-22 2013-10-23 日本碍子株式会社 小型インダクタ及び同小型インダクタの製造方法
JP2010232421A (ja) * 2009-03-27 2010-10-14 Denso Corp リアクトル
JP5576246B2 (ja) * 2010-01-06 2014-08-20 株式会社神戸製鋼所 アキシャルギャップ型ブラシレスモータ
JP2013522441A (ja) * 2010-03-23 2013-06-13 ビーエーエスエフ ソシエタス・ヨーロピア 磁気若しくは磁化成形品を製造するための組成物、及びその組成物の製造方法
JP5267494B2 (ja) * 2010-03-29 2013-08-21 株式会社デンソー 磁気部品及びその製造方法
JP5617461B2 (ja) * 2010-09-13 2014-11-05 住友電気工業株式会社 リアクトル、およびリアクトルの製造方法
ITVI20110109A1 (it) * 2011-04-29 2012-10-30 Diego Ghiotto Nucleo magnetico idoneo a realizzare geometrie di nuclei sviluppati nelle tre dimensioni.
JP5294095B2 (ja) * 2011-06-02 2013-09-18 住友電気工業株式会社 軟磁性複合材料の製造方法
JPWO2013018381A1 (ja) * 2011-08-01 2015-03-05 住友電気工業株式会社 チョークコイル
EP2709118A1 (fr) 2012-09-14 2014-03-19 Magnetic Components Sweden AB Inducteur optimal
JP6358557B2 (ja) * 2013-06-17 2018-07-18 住友電気工業株式会社 リアクトル、磁性体、コンバータ、および電力変換装置
DE102013222276A1 (de) * 2013-11-01 2015-05-21 Rolls-Royce Deutschland Ltd & Co Kg Induktiver Sensor und Verfahren zum Herstellen eines induktiven Sensors
JP5874769B2 (ja) * 2014-03-12 2016-03-02 住友電気工業株式会社 軟磁性複合材料、及びリアクトル
JP6532198B2 (ja) * 2014-08-08 2019-06-19 株式会社タムラ製作所 軟磁性複合材料を使用した磁性コアの製造方法、リアクトルの製造方法
JP6024927B2 (ja) * 2014-11-12 2016-11-16 住友電気工業株式会社 軟磁性複合材料
KR102109634B1 (ko) * 2015-01-27 2020-05-29 삼성전기주식회사 파워 인덕터 및 그 제조 방법
WO2016185940A1 (fr) 2015-05-19 2016-11-24 アルプス・グリーンデバイス株式会社 Noyau à poudre de fer, procédé de production dudit noyau à poudre de fer, bobine d'induction dotée dudit noyau à poudre de fer, et dispositif électrique/électronique sur lequel est montée ladite bobine d'induction
JP6247252B2 (ja) * 2015-07-07 2017-12-13 株式会社タムラ製作所 軟磁性複合材料を使用したリアクトル、リアクトルの製造方法
CN106469607B (zh) * 2015-08-19 2020-10-27 胜美达集团株式会社 一种线圈元器件的制造方法及用于制造此线圈元器件的模具设备
DE102016007590B4 (de) * 2016-06-21 2022-12-29 Thomas Magnete Gmbh Verfahren zur Herstellung einer Spulenbaugruppe für einen Elektomagneten
DE102019211439A1 (de) * 2019-07-31 2021-02-04 Würth Elektronik eiSos Gmbh & Co. KG Verfahren zur Herstellung eines induktiven Bauteils sowie induktives Bauteil
CN111243853A (zh) * 2020-03-02 2020-06-05 深圳市铂科新材料股份有限公司 一种一体成型大密度电感的制作方法
DE102020207860A1 (de) 2020-06-25 2021-12-30 Robert Bosch Gesellschaft mit beschränkter Haftung Induktives Bauelement mit einem partikelgefüllten Spulenkern
JP2022146029A (ja) * 2021-03-22 2022-10-05 株式会社東芝 圧粉材料及び回転電機
CN116487143A (zh) * 2022-01-13 2023-07-25 宁波磁性材料应用技术创新中心有限公司 一种一体成型电感器的制造方法及应用其制备的电感器
CN115064344A (zh) * 2022-06-24 2022-09-16 横店集团东磁股份有限公司 一种浇注式功率电感及其制备方法

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JPS59158016A (ja) * 1983-02-28 1984-09-07 ティーディーケイ株式会社 電磁シ−ルド材料
JPS6188509A (ja) * 1984-10-05 1986-05-06 Toshiba Corp 鉄心の製造方法
DE3668722D1 (de) 1985-06-26 1990-03-08 Toshiba Kawasaki Kk Magnetkern und herstellungsverfahren.
JPH05503322A (ja) * 1990-10-09 1993-06-03 アイオワ・ステイト・ユニバーシティ・リサーチ・ファウンデーション・インコーポレイテッド 環境に対して安定な反応性を有する合金粉末及びその製造方法
US6054210A (en) 1996-04-10 2000-04-25 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Molded magnetic article
WO1998008233A1 (fr) * 1996-08-21 1998-02-26 Tdk Corporation Poudre magnetique et article magnetique moule
JP3404618B2 (ja) 1996-09-02 2003-05-12 エヌイーシートーキン株式会社 電磁干渉抑制体
JP3647995B2 (ja) * 1996-11-06 2005-05-18 株式会社三徳 永久磁石用粉末並びにその製造方法および該粉末を用いた異方性永久磁石
JP4023138B2 (ja) * 2001-02-07 2007-12-19 日立金属株式会社 鉄基希土類合金粉末および鉄基希土類合金粉末を含むコンパウンドならびにそれを用いた永久磁石
DE10128004A1 (de) * 2001-06-08 2002-12-19 Vacuumschmelze Gmbh Induktives Bauelement und Verfahren zu seiner Herstellung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03043033A1 *

Also Published As

Publication number Publication date
EP1444706B1 (fr) 2009-01-14
US7230514B2 (en) 2007-06-12
DE50213224D1 (de) 2009-03-05
WO2003043033A1 (fr) 2003-05-22
DE10155898A1 (de) 2003-05-28
JP2005510049A (ja) 2005-04-14
US20040074564A1 (en) 2004-04-22

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