JP5370688B2 - 圧粉磁心及びその製造方法 - Google Patents

圧粉磁心及びその製造方法 Download PDF

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Publication number
JP5370688B2
JP5370688B2 JP2010156772A JP2010156772A JP5370688B2 JP 5370688 B2 JP5370688 B2 JP 5370688B2 JP 2010156772 A JP2010156772 A JP 2010156772A JP 2010156772 A JP2010156772 A JP 2010156772A JP 5370688 B2 JP5370688 B2 JP 5370688B2
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JP
Japan
Prior art keywords
core
powder
loss
soft magnetic
metal powder
Prior art date
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Active
Application number
JP2010156772A
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English (en)
Japanese (ja)
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JP2011216839A5 (enExample
JP2011216839A (ja
Inventor
真仁 小枝
朋史 黒田
友和 石倉
明洋 原田
裕之 小野
修 城戸
智子 上田
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Priority to JP2010156772A priority Critical patent/JP5370688B2/ja
Priority to US13/046,307 priority patent/US8252124B2/en
Publication of JP2011216839A publication Critical patent/JP2011216839A/ja
Publication of JP2011216839A5 publication Critical patent/JP2011216839A5/ja
Application granted granted Critical
Publication of JP5370688B2 publication Critical patent/JP5370688B2/ja
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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2301/00—Metallic composition of the powder or its coating
    • B22F2301/35—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2303/00—Functional details of metal or compound in the powder or product
    • B22F2303/01—Main component
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2304/00—Physical aspects of the powder
    • B22F2304/10—Micron size particles, i.e. above 1 micrometer up to 500 micrometer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Soft Magnetic Materials (AREA)
JP2010156772A 2010-03-18 2010-07-09 圧粉磁心及びその製造方法 Active JP5370688B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010156772A JP5370688B2 (ja) 2010-03-18 2010-07-09 圧粉磁心及びその製造方法
US13/046,307 US8252124B2 (en) 2010-03-18 2011-03-11 Powder magnetic core and method for manufacturing the same

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010063148 2010-03-18
JP2010063148 2010-03-18
JP2010156772A JP5370688B2 (ja) 2010-03-18 2010-07-09 圧粉磁心及びその製造方法

Publications (3)

Publication Number Publication Date
JP2011216839A JP2011216839A (ja) 2011-10-27
JP2011216839A5 JP2011216839A5 (enExample) 2012-11-01
JP5370688B2 true JP5370688B2 (ja) 2013-12-18

Family

ID=44646746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010156772A Active JP5370688B2 (ja) 2010-03-18 2010-07-09 圧粉磁心及びその製造方法

Country Status (2)

Country Link
US (1) US8252124B2 (enExample)
JP (1) JP5370688B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018041872A (ja) * 2016-09-08 2018-03-15 スミダコーポレーション株式会社 複合磁性材料、その複合磁性材料を熱硬化して得られる複合磁性成形体、その複合磁性成形体を用いて得られる電子部品、およびそれらの製造方法

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR101499297B1 (ko) * 2012-12-04 2015-03-05 배은영 고온성형에 의한 고투자율 비정질 압분자심코아 및 그 제조방법
KR101470513B1 (ko) * 2013-07-17 2014-12-08 주식회사 아모그린텍 대전류 직류중첩특성 및 코어손실 특성이 우수한 연자성 코어 및 그의 제조방법
JP6668723B2 (ja) * 2015-12-09 2020-03-18 株式会社村田製作所 インダクタ部品
WO2019031464A1 (ja) * 2017-08-07 2019-02-14 日立金属株式会社 結晶質Ｆｅ基合金粉末及びその製造方法
JP7222771B2 (ja) * 2019-03-22 2023-02-15 日本特殊陶業株式会社 圧粉磁心
JP7580936B2 (ja) * 2019-04-26 2024-11-12 キヤノン株式会社 粒子、アフィニティー粒子、検査試薬、及び検出方法
JP7338529B2 (ja) * 2020-03-24 2023-09-05 Tdk株式会社 流動性付与粒子および磁性コア
JP7610097B2 (ja) * 2020-09-17 2025-01-08 日本製鉄株式会社 Ｆｅ系合金薄帯及びＦｅ系非晶質合金薄帯
KR20250112814A (ko) * 2023-02-14 2025-07-24 제이에프이 스틸 가부시키가이샤 산소 반응제용 철기 분말 및 그것을 사용한 산소 반응제

Family Cites Families (11)

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DE19716882A1 (de) * 1997-04-22 1998-10-29 Basf Ag Siliziumhaltige Eisenpulver
JP3670575B2 (ja) * 2000-01-12 2005-07-13 Ｔｄｋ株式会社 コイル封入圧粉コアの製造方法およびコイル封入圧粉コア
JP4064711B2 (ja) * 2002-04-24 2008-03-19 株式会社神戸製鋼所 圧粉磁心用粉末および高強度圧粉磁心、並びにその製法
US7482384B2 (en) * 2003-06-10 2009-01-27 Toda Kogyo Corporation Iron composite particles for purifying soil or ground water, process for producing the same, purifying agent containing the same, process for producing the purifying agent and method for purifying soil or ground water
US7351355B2 (en) * 2004-11-29 2008-04-01 Toda Kogyo Corporation Purifying agent for purifying soil or ground water, process for producing the same, and method for purifying soil or ground water using the same
JP2007247036A (ja) * 2006-03-17 2007-09-27 Osaka Univ 鉄系ナノ細線とその製造方法、鉄系炭素複合細線とその製造方法、及びそれを用いた電波吸収体
WO2008035681A1 (fr) * 2006-09-20 2008-03-27 Hitachi Metals, Ltd. Fines particules métalliques enrobées et procédé de production
WO2008140831A2 (en) * 2007-01-18 2008-11-20 Trustees Of Dartmouth College Iron/iron oxide nanoparticle and use thereof
JP5841705B2 (ja) * 2007-04-02 2016-01-13 セイコーエプソン株式会社 アトマイズ軟磁性粉末、圧粉磁心および磁性素子
JP5305126B2 (ja) 2007-04-25 2013-10-02 日立金属株式会社 軟磁性粉末、圧粉磁心の製造方法、圧粉磁心、及び磁性部品
JP2010024478A (ja) * 2008-07-16 2010-02-04 Sumitomo Osaka Cement Co Ltd 鉄微粒子及びその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018041872A (ja) * 2016-09-08 2018-03-15 スミダコーポレーション株式会社 複合磁性材料、その複合磁性材料を熱硬化して得られる複合磁性成形体、その複合磁性成形体を用いて得られる電子部品、およびそれらの製造方法

Also Published As

Publication number Publication date
US20110227679A1 (en) 2011-09-22
JP2011216839A (ja) 2011-10-27
US8252124B2 (en) 2012-08-28

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