DE602005012020D1 - Hochfrequenz-Magnetkern und Verwendung in einem Induktiven Bauelement - Google Patents

Hochfrequenz-Magnetkern und Verwendung in einem Induktiven Bauelement

Info

Publication number
DE602005012020D1
DE602005012020D1 DE602005012020T DE602005012020T DE602005012020D1 DE 602005012020 D1 DE602005012020 D1 DE 602005012020D1 DE 602005012020 T DE602005012020 T DE 602005012020T DE 602005012020 T DE602005012020 T DE 602005012020T DE 602005012020 D1 DE602005012020 D1 DE 602005012020D1
Authority
DE
Germany
Prior art keywords
high frequency
magnetic core
frequency magnetic
inductive component
inductive
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
DE602005012020T
Other languages
English (en)
Inventor
Teruhiko Fujiwara
Akiri Urata
Akihisa Inoue
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.)
Tohoku University NUC
Tokin Corp
Original Assignee
Tohoku University NUC
NEC Tokin 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
Application filed by Tohoku University NUC, NEC Tokin Corp filed Critical Tohoku University NUC
Publication of DE602005012020D1 publication Critical patent/DE602005012020D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15308—Amorphous metallic alloys, e.g. glassy metals based on Fe/Ni
    • 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
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15358—Making agglomerates therefrom, e.g. by pressing
    • H01F1/15366—Making agglomerates therefrom, e.g. by pressing using a binder
    • H01F1/15375—Making agglomerates therefrom, e.g. by pressing using a binder using polymers
    • 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
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15316—Amorphous metallic alloys, e.g. glassy metals based on Co
    • 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
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15325—Amorphous metallic alloys, e.g. glassy metals containing rare earths
    • 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
    • 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
    • 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
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Soft Magnetic Materials (AREA)
DE602005012020T 2004-05-17 2005-05-09 Hochfrequenz-Magnetkern und Verwendung in einem Induktiven Bauelement Active DE602005012020D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004146595 2004-05-17

Publications (1)

Publication Number Publication Date
DE602005012020D1 true DE602005012020D1 (de) 2009-02-12

Family

ID=34936273

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005012020T Active DE602005012020D1 (de) 2004-05-17 2005-05-09 Hochfrequenz-Magnetkern und Verwendung in einem Induktiven Bauelement

Country Status (4)

Country Link
US (1) US20050254989A1 (de)
EP (1) EP1598836B1 (de)
CN (1) CN1700369B (de)
DE (1) DE602005012020D1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005020252A1 (ja) * 2003-08-22 2005-03-03 Nec Tokin Corporation 高周波用磁心及びそれを用いたインダクタンス部品
JP4849545B2 (ja) 2006-02-02 2012-01-11 Ｎｅｃトーキン株式会社 非晶質軟磁性合金、非晶質軟磁性合金部材、非晶質軟磁性合金薄帯、非晶質軟磁性合金粉末、及びそれを用いた磁芯ならびにインダクタンス部品
DE102006032517B4 (de) * 2006-07-12 2015-12-24 Vaccumschmelze Gmbh & Co. Kg Verfahren zur Herstellung von Pulververbundkernen und Pulververbundkern
CN100457955C (zh) * 2007-04-16 2009-02-04 安泰科技股份有限公司 铁基大块非晶合金材料
CN101896982B (zh) * 2007-12-12 2012-08-29 松下电器产业株式会社 电感部件及其制造方法
US11355276B2 (en) * 2009-02-27 2022-06-07 Cyntec Co., Ltd. Choke
TWI407462B (zh) 2009-05-15 2013-09-01 Cyntec Co Ltd 電感器及其製作方法
EP2555210A4 (de) * 2010-03-26 2017-09-06 Hitachi Powdered Metals Co., Ltd. Massekern und herstellungsverfahren dafür
CN102509603B (zh) * 2011-12-31 2015-10-07 青岛云路新能源科技有限公司 铁基非晶态软磁材料及其制备方法
JP5919144B2 (ja) * 2012-08-31 2016-05-18 株式会社神戸製鋼所 圧粉磁心用鉄粉および圧粉磁心の製造方法
CN104036905A (zh) * 2014-05-28 2014-09-10 浙江大学 一种软磁复合材料及其制备方法
CN104021910A (zh) * 2014-06-26 2014-09-03 天津理工大学 一种用于高频条件且具有高初始磁导率的软磁合金
JP6651082B2 (ja) * 2015-07-31 2020-02-19 Ｊｆｅスチール株式会社 軟磁性圧粉磁芯の製造方法
KR101808176B1 (ko) * 2016-04-07 2018-01-18 (주)창성 연자성몰딩액을 이용한 코일매립형인덕터의 제조방법 및 이를 이용하여 제조된 코일매립형인덕터
KR102684408B1 (ko) * 2017-01-10 2024-07-12 엘지이노텍 주식회사 자성 코어 및 이를 포함하는 코일 부품
CN113436875B (zh) * 2021-06-25 2022-04-19 广东精密龙电子科技有限公司 低成型压力电感材料、制备方法及一体成型电感

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US205295A (en) * 1878-06-25 Improvement in milk-coolers
JPS6074412A (ja) * 1983-09-28 1985-04-26 Toshiba Corp 多出力共用チヨ−クコイル
JP2611994B2 (ja) * 1987-07-23 1997-05-21 日立金属株式会社 Ｆｅ基合金粉末およびその製造方法
US5252148A (en) * 1989-05-27 1993-10-12 Tdk Corporation Soft magnetic alloy, method for making, magnetic core, magnetic shield and compressed powder core using the same
US6594157B2 (en) * 2000-03-21 2003-07-15 Alps Electric Co., Ltd. Low-loss magnetic powder core, and switching power supply, active filter, filter, and amplifying device using the same
WO2005020252A1 (ja) * 2003-08-22 2005-03-03 Nec Tokin Corporation 高周波用磁心及びそれを用いたインダクタンス部品

Also Published As

Publication number Publication date
CN1700369A (zh) 2005-11-23
EP1598836A1 (de) 2005-11-23
EP1598836B1 (de) 2008-12-31
CN1700369B (zh) 2010-05-12
US20050254989A1 (en) 2005-11-17

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