KR100374398B1 - 고내식성을 갖는 R-Fe-B계 본드 자석과 그 제조 방법 - Google Patents

고내식성을 갖는 R-Fe-B계 본드 자석과 그 제조 방법 Download PDF

Info

Publication number
KR100374398B1
KR100374398B1 KR10-2000-7004631A KR20007004631A KR100374398B1 KR 100374398 B1 KR100374398 B1 KR 100374398B1 KR 20007004631 A KR20007004631 A KR 20007004631A KR 100374398 B1 KR100374398 B1 KR 100374398B1
Authority
KR
South Korea
Prior art keywords
magnet
metal
bonded magnet
plating
barrel
Prior art date
Application number
KR10-2000-7004631A
Other languages
English (en)
Korean (ko)
Other versions
KR20010040267A (ko
Inventor
요시무라고시
니시우치다케시
기쿠이후미아키
이소자키다카히로
Original Assignee
스미토모 도큐슈 긴조쿠 가부시키가이샤
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 JP04882898A external-priority patent/JP3236816B2/ja
Priority claimed from JP04882798A external-priority patent/JP3236815B2/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 스미토모 도큐슈 긴조쿠 가부시키가이샤 filed Critical 스미토모 도큐슈 긴조쿠 가부시키가이샤
Publication of KR20010040267A publication Critical patent/KR20010040267A/ko
Application granted granted Critical
Publication of KR100374398B1 publication Critical patent/KR100374398B1/ko

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)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Hard Magnetic Materials (AREA)
KR10-2000-7004631A 1997-10-30 1998-10-23 고내식성을 갖는 R-Fe-B계 본드 자석과 그 제조 방법 KR100374398B1 (ko)

Applications Claiming Priority (20)

Application Number Priority Date Filing Date Title
JP97/316435 1997-10-30
JP31643597 1997-10-30
JP33368197 1997-11-17
JP97/333681 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
JP98/44559 1998-02-10
JP98/44558 1998-02-10
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
JP98/48827 1998-02-12
JP98/48828 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
JP98/56044 1998-02-19
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
JP98/83012 1998-03-12
JP98/83011 1998-03-12
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
JP98/103496 1998-03-30

Publications (2)

Publication Number Publication Date
KR20010040267A KR20010040267A (ko) 2001-05-15
KR100374398B1 true KR100374398B1 (ko) 2003-03-04

Family

ID=27579948

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2000-7004631A KR100374398B1 (ko) 1997-10-30 1998-10-23 고내식성을 갖는 R-Fe-B계 본드 자석과 그 제조 방법

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
US6866765B2 (en) 2000-07-07 2005-03-15 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
CN1265028C (zh) * 2001-10-29 2006-07-19 株式会社新王磁材 在物品表面形成电镀膜的方法
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
WO2012118001A1 (ja) * 2011-03-02 2012-09-07 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
CN103779027A (zh) * 2014-01-27 2014-05-07 江西江钨稀有金属新材料有限公司 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 (2)

* 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

Family Cites Families (3)

* 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
JP3151843B2 (ja) * 1991-03-04 2001-04-03 戸田工業株式会社 合金磁石のめっき法
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 (2)

* 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

Also Published As

Publication number Publication date
CN1279810A (zh) 2001-01-10
EP1028437A4 (de) 2001-06-13
EP1028437B1 (de) 2006-05-17
KR20010040267A (ko) 2001-05-15
CN1205626C (zh) 2005-06-08
EP1028437A1 (de) 2000-08-16
WO1999023675A1 (fr) 1999-05-14
DE69834567T2 (de) 2007-04-26
DE69834567D1 (de) 2006-06-22

Similar Documents

Publication Publication Date Title
US7053745B2 (en) Rare earth metal-based permanent magnet, and process for producing the same
KR100374398B1 (ko) 고내식성을 갖는 R-Fe-B계 본드 자석과 그 제조 방법
US6355313B1 (en) Process for surface treatment of hollow work having hole communicating with outside
KR100371786B1 (ko) 고내식성 Ｒ-Ｆｅ-Ｂ계 본드 자석의 제조 방법
US6423369B1 (en) Process for sealing pores in molded product, and bonded magnet with pores sealed by the process
JP2000133541A (ja) 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石の製造方法
JP3236816B2 (ja) 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石とその製造方法
JP3236815B2 (ja) 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石とその製造方法
JP3236813B2 (ja) 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石とその製造方法
JP3232037B2 (ja) 圧壊強度にすぐれた高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石
JP3236814B2 (ja) 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石及びその製造方法
JPH11283818A (ja) 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石とその製造方法
JP2631493B2 (ja) 耐食性永久磁石の製造方法
JPH0927433A (ja) 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石の製造方法
JPH0613211A (ja) 耐食性のすぐれた永久磁石及びその製造方法
JP2631492B2 (ja) 耐食性永久磁石の製造方法
JPH11260614A (ja) 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石とその製造方法
JP2922601B2 (ja) 樹脂成形型磁石
JP4131385B2 (ja) 希土類系永久磁石の製造方法
JPH11260613A (ja) 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石とその製造方法
JPH11238641A (ja) 高耐食性Ｒ−Ｆｅ−Ｂ系ボンド磁石とその製造方法
JP3218028B2 (ja) 外部に連通する中空部を備えた被処理物の表面処理方法および該方法により処理されたリング状ボンド磁石
JP2002020879A (ja) 外部に連通する中空部を備えた被処理物の表面処理方法および該方法により処理されたリング状ボンド磁石
JPH0666173B2 (ja) 耐食性のすぐれた永久磁石及びその製造方法
JPH0499192A (ja) 樹脂成形型磁石へのＮｉめっき方法とＮｉめっき浴

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20060210

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee