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DE69022751D1 - Magnetkerne aus Eisen-Silizium-Legierungspulver und Herstellungsverfahren. - Google Patents

Magnetkerne aus Eisen-Silizium-Legierungspulver und Herstellungsverfahren.

Info

Publication number
DE69022751D1
DE69022751D1 DE69022751T DE69022751T DE69022751D1 DE 69022751 D1 DE69022751 D1 DE 69022751D1 DE 69022751 T DE69022751 T DE 69022751T DE 69022751 T DE69022751 T DE 69022751T DE 69022751 D1 DE69022751 D1 DE 69022751D1
Authority
DE
Germany
Prior art keywords
iron
manufacturing process
alloy powder
magnetic cores
silicon alloy
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.)
Revoked
Application number
DE69022751T
Other languages
English (en)
Other versions
DE69022751T2 (de
Inventor
Tokuhiko Nishida
Masao Yamamiya
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26342241&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69022751(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Application granted granted Critical
Publication of DE69022751D1 publication Critical patent/DE69022751D1/de
Publication of DE69022751T2 publication Critical patent/DE69022751T2/de
Anticipated expiration legal-status Critical
Revoked 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
    • H01F41/0206—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
    • 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
    • H01F1/14766—Fe-Si based alloys
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Powder Metallurgy (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
DE1990622751 1989-01-18 1990-01-17 Magnetkerne aus Eisen-Silizium-Legierungspulver und Herstellungsverfahren. Revoked DE69022751T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP785389 1989-01-18
JP1335899A JPH0682577B2 (ja) 1989-01-18 1989-12-25 Ｆｅ―Ｓｉ系合金圧粉磁心およびその製造方法

Publications (2)

Publication Number Publication Date
DE69022751D1 true DE69022751D1 (de) 1995-11-09
DE69022751T2 DE69022751T2 (de) 1996-04-04

Family

ID=26342241

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990622751 Revoked DE69022751T2 (de) 1989-01-18 1990-01-17 Magnetkerne aus Eisen-Silizium-Legierungspulver und Herstellungsverfahren.

Country Status (3)

Country Link
EP (1) EP0383035B1 (de)
JP (1) JPH0682577B2 (de)
DE (1) DE69022751T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19610196A1 (de) * 1996-03-15 1997-09-18 Horst Dr Kleine Verfahren zur Herstellung von weichmagnetischen FeSi-Massekernen
JP2000040614A (ja) 1998-05-18 2000-02-08 Daido Steel Co Ltd ノイズフィルタ―用コア材
KR100533097B1 (ko) * 2000-04-27 2005-12-02 티디케이가부시기가이샤 복합자성재료와 이것을 이용한 자성성형재료, 압분 자성분말성형재료, 자성도료, 복합 유전체재료와 이것을이용한 성형재료, 압분성형 분말재료, 도료, 프리프레그및 기판, 전자부품
US6395193B1 (en) * 2000-05-03 2002-05-28 Lord Corporation Magnetorheological compositions
CN1295715C (zh) * 2002-01-17 2007-01-17 Nec东金株式会社 压粉磁心和使用该磁心的高频电抗器
US6788185B2 (en) 2002-01-17 2004-09-07 Nec Tokin Corporation Powder core and high-frequency reactor using the same
US6646532B2 (en) 2002-02-26 2003-11-11 Nec Tokin Corporation Powder core and reactor using the same
EP1341191A1 (de) * 2002-02-27 2003-09-03 NEC TOKIN Corporation Puderkern und Reaktor damit
KR20040042214A (ko) * 2002-11-13 2004-05-20 휴먼일렉스(주) Ｆｅ－Ｓｉ 합금분말을 이용한 ＳＭＤ 코아 제조방법
JP2009088502A (ja) * 2007-09-12 2009-04-23 Seiko Epson Corp 酸化物被覆軟磁性粉末の製造方法、酸化物被覆軟磁性粉末、圧粉磁心および磁性素子
JP5257743B2 (ja) * 2008-02-28 2013-08-07 日立金属株式会社 Ｆｅ基軟磁性粉末、その製造方法、および圧粉磁心
JP2010080978A (ja) * 2009-12-16 2010-04-08 Daido Steel Co Ltd 軟磁性合金粉末および圧粉磁芯
KR101881952B1 (ko) * 2010-06-09 2018-07-26 신토고교 가부시키가이샤 철족계 연자성 분말재
CN103065786A (zh) * 2011-10-22 2013-04-24 湖南康力新材料科技有限责任公司 一种高磁导率低功耗铁硅铝磁粉芯的制造方法
JP5650702B2 (ja) * 2012-10-15 2015-01-07 株式会社タムラ製作所 圧粉磁心とその製造方法
JP6382487B2 (ja) * 2013-01-24 2018-08-29 Tdk株式会社 磁芯およびコイル型電子部品
KR102047565B1 (ko) * 2014-11-04 2019-11-21 삼성전기주식회사 인덕터

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58147106A (ja) * 1982-02-26 1983-09-01 Toshiba Corp 鉄心材料
SE8201678L (sv) * 1982-03-17 1983-09-18 Asea Ab Sett att framstella foremal av mjukmagnetiskt material
US4564401A (en) * 1983-09-29 1986-01-14 Crucible Materials Corporation Method for producing iron-silicon alloy articles
JPS6074603A (ja) * 1983-09-30 1985-04-26 Nippon Ferrite Ltd 圧粉磁心
JPS6074602A (ja) * 1983-09-30 1985-04-26 Nippon Ferrite Ltd 圧粉磁心

Also Published As

Publication number Publication date
JPH02290002A (ja) 1990-11-29
EP0383035B1 (de) 1995-10-04
DE69022751T2 (de) 1996-04-04
JPH0682577B2 (ja) 1994-10-19
EP0383035A2 (de) 1990-08-22
EP0383035A3 (de) 1991-07-03

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation