EP1028437A4 - Korrosionsbeständige r-fe-b verbundmagnet und herstellungsverfahren - Google Patents

Korrosionsbeständige r-fe-b verbundmagnet und herstellungsverfahren

Info

Publication number
EP1028437A4
EP1028437A4 EP98950380A EP98950380A EP1028437A4 EP 1028437 A4 EP1028437 A4 EP 1028437A4 EP 98950380 A EP98950380 A EP 98950380A EP 98950380 A EP98950380 A EP 98950380A EP 1028437 A4 EP1028437 A4 EP 1028437A4
Authority
EP
European Patent Office
Prior art keywords
resistant
manufacturing
same
high corrosion
bonded magnet
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
EP98950380A
Other languages
English (en)
French (fr)
Other versions
EP1028437A1 (de
EP1028437B1 (de
Inventor
Kohshi Yoshimura
Takeshi Nishiuchi
Fumiaki Kikui
Takahiro Isozaki
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.)
Hitachi Metals Ltd
Original Assignee
Sumitomo Special Metals Co Ltd
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 claimed from JP04455998A external-priority patent/JP3236814B2/ja
Priority claimed from JP04455898A external-priority patent/JP3236813B2/ja
Priority claimed from JP04882798A external-priority patent/JP3236815B2/ja
Priority claimed from JP04882898A external-priority patent/JP3236816B2/ja
Priority claimed from JP10056044A external-priority patent/JPH11238641A/ja
Priority claimed from JP10083011A external-priority patent/JPH11260613A/ja
Priority claimed from JP10083012A external-priority patent/JPH11260614A/ja
Priority claimed from JP10103496A external-priority patent/JPH11283818A/ja
Application filed by Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Publication of EP1028437A1 publication Critical patent/EP1028437A1/de
Publication of EP1028437A4 publication Critical patent/EP1028437A4/de
Publication of EP1028437B1 publication Critical patent/EP1028437B1/de
Application granted granted Critical
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
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C25D3/562—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of iron or nickel or cobalt
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
EP98950380A 1997-10-30 1998-10-23 Korrosionsbeständige r-fe-b verbundmagnet und herstellungsverfahren Expired - Lifetime EP1028437B1 (de)

Applications Claiming Priority (21)

Application Number Priority Date Filing Date Title
JP31643597 1997-10-30
JP31643597 1997-10-30
JP33368197 1997-11-17
JP33368197 1997-11-17
JP04455998A JP3236814B2 (ja) 1997-11-17 1998-02-10 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石及びその製造方法
JP04455898A JP3236813B2 (ja) 1997-10-30 1998-02-10 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石とその製造方法
JP4455898 1998-02-10
JP4455998 1998-02-10
JP4882898 1998-02-12
JP4882798 1998-02-12
JP04882898A JP3236816B2 (ja) 1998-02-12 1998-02-12 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石とその製造方法
JP04882798A JP3236815B2 (ja) 1998-02-12 1998-02-12 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石とその製造方法
JP10056044A JPH11238641A (ja) 1998-02-19 1998-02-19 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石とその製造方法
JP5604498 1998-02-19
JP8301198 1998-03-12
JP8301298 1998-03-12
JP10083011A JPH11260613A (ja) 1998-03-12 1998-03-12 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石とその製造方法
JP10083012A JPH11260614A (ja) 1998-03-12 1998-03-12 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石とその製造方法
JP10103496A JPH11283818A (ja) 1998-03-30 1998-03-30 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石とその製造方法
JP10349698 1998-03-30
PCT/JP1998/004829 WO1999023675A1 (fr) 1997-10-30 1998-10-23 AIMANT LIE A BASE DE R-Fe-B EXTREMEMENT RESISTANT A LA CORROSION ET PROCEDE DE FABRICATION DUDIT AIMANT

Publications (3)

Publication Number Publication Date
EP1028437A1 EP1028437A1 (de) 2000-08-16
EP1028437A4 true EP1028437A4 (de) 2001-06-13
EP1028437B1 EP1028437B1 (de) 2006-05-17

Family

ID=27579948

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98950380A Expired - Lifetime EP1028437B1 (de) 1997-10-30 1998-10-23 Korrosionsbeständige r-fe-b verbundmagnet und herstellungsverfahren

Country Status (5)

Country Link
EP (1) EP1028437B1 (de)
KR (1) KR100374398B1 (de)
CN (1) CN1205626C (de)
DE (1) DE69834567T2 (de)
WO (1) WO1999023675A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3278647B2 (ja) 1999-01-27 2002-04-30 住友特殊金属株式会社 希土類系ボンド磁石
JP3389193B2 (ja) 1999-04-26 2003-03-24 住友特殊金属株式会社 リング状ボンド磁石空孔部の封孔処理方法および該方法により封孔処理されたリング状ボンド磁石
JP2001073198A (ja) * 1999-07-01 2001-03-21 Sumitomo Special Metals Co Ltd 電気めっき用装置および該装置を用いた電気めっき方法
WO2002004714A1 (en) * 2000-07-07 2002-01-17 Hitachi Metals, Ltd. Electrolytic copper-plated r-t-b magnet and plating method thereof
FR2819120B1 (fr) * 2000-12-28 2003-02-28 Valeo Equip Electr Moteur Procede de fabrication d'un inducteur d'une machine electrique tournante
WO2003038157A1 (fr) * 2001-10-29 2003-05-08 Sumitomo Special Metals Co., Ltd. Procede de formation d'un revetement depose par electrolyse sur la surface d'un article
JP4162884B2 (ja) 2001-11-20 2008-10-08 信越化学工業株式会社 耐食性希土類磁石
JP5884820B2 (ja) * 2011-03-02 2016-03-15 日立金属株式会社 希土類系ボンド磁石の製造方法
US8717132B2 (en) 2012-01-09 2014-05-06 Apple Inc. Unibody magnet
CN103632687A (zh) * 2013-12-19 2014-03-12 广东金潮集团有限公司 一种cd光盘电镀材料
CN106782979A (zh) * 2014-01-27 2017-05-31 江西江钨稀有金属新材料股份有限公司 一种粘结型稀土磁粉及其制备设备
CN105810380A (zh) * 2016-03-11 2016-07-27 江西江钨稀有金属新材料有限公司 一种耐高温型高磁性稀土永磁材料及其制备方法
CN113589594B (zh) * 2021-07-19 2022-07-12 Tcl华星光电技术有限公司 显示面板及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0254504A (ja) * 1988-08-18 1990-02-23 Nippon Steel Corp 高耐食性希土類系永久ボンド磁石およびその製造方法
EP0502475A2 (de) * 1991-03-04 1992-09-09 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Verfahren zur Plattierung eines Verbundmagneten sowie Verbundmagnet mit einem Metallüberzug
JPH04276094A (ja) * 1991-03-04 1992-10-01 Kanegafuchi Chem Ind Co Ltd 合金磁石のめっき法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62290107A (ja) * 1986-06-09 1987-12-17 Seiko Instr & Electronics Ltd 磁石
JPH08250356A (ja) * 1995-03-13 1996-09-27 Daido Steel Co Ltd 異方性磁石用合金粉末、これを用いた異方性永久磁石とその製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0254504A (ja) * 1988-08-18 1990-02-23 Nippon Steel Corp 高耐食性希土類系永久ボンド磁石およびその製造方法
EP0502475A2 (de) * 1991-03-04 1992-09-09 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Verfahren zur Plattierung eines Verbundmagneten sowie Verbundmagnet mit einem Metallüberzug
JPH04276094A (ja) * 1991-03-04 1992-10-01 Kanegafuchi Chem Ind Co Ltd 合金磁石のめっき法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 218 (E - 0925) 9 May 1990 (1990-05-09) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 073 (C - 1026) 15 February 1993 (1993-02-15) *
See also references of WO9923675A1 *

Also Published As

Publication number Publication date
CN1205626C (zh) 2005-06-08
EP1028437A1 (de) 2000-08-16
CN1279810A (zh) 2001-01-10
EP1028437B1 (de) 2006-05-17
DE69834567T2 (de) 2007-04-26
DE69834567D1 (de) 2006-06-22
KR20010040267A (ko) 2001-05-15
WO1999023675A1 (fr) 1999-05-14
KR100374398B1 (ko) 2003-03-04

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