DE69822798D1 - Herstellungsverfahren für ein dünne magnetscheibe mit mikrokristalline struktur - Google Patents

Herstellungsverfahren für ein dünne magnetscheibe mit mikrokristalline struktur

Info

Publication number
DE69822798D1
DE69822798D1 DE69822798T DE69822798T DE69822798D1 DE 69822798 D1 DE69822798 D1 DE 69822798D1 DE 69822798 T DE69822798 T DE 69822798T DE 69822798 T DE69822798 T DE 69822798T DE 69822798 D1 DE69822798 D1 DE 69822798D1
Authority
DE
Germany
Prior art keywords
manufacturing
magnetic disc
thin magnetic
microcrystalline structure
microcrystalline
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.)
Expired - Lifetime
Application number
DE69822798T
Other languages
English (en)
Other versions
DE69822798T2 (de
Inventor
Hirokazu Kanekiyo
Satoshi Hirosawa
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.)
Neomax Co 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
Application filed by Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Application granted granted Critical
Publication of DE69822798D1 publication Critical patent/DE69822798D1/de
Publication of DE69822798T2 publication Critical patent/DE69822798T2/de
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
    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/04—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 hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/04—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 hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0579—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B with exchange spin coupling between hard and soft nanophases, e.g. nanocomposite spring magnets
    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/04—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 hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/058—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IVa elements, e.g. Gd2Fe14C

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Nanotechnology (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Continuous Casting (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
DE69822798T 1997-02-06 1998-01-28 Herstellungsverfahren für ein dünne magnetscheibe mit mikrokristalline struktur Expired - Lifetime DE69822798T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP3988097 1997-02-06
JP3988097 1997-02-06
JP7444397 1997-03-10
JP7444397 1997-03-10
PCT/JP1998/000330 WO1998035364A1 (fr) 1997-02-06 1998-01-28 Procede de fabrication d'un aimant a plaque mince possedant une structure microcristalline

Publications (2)

Publication Number Publication Date
DE69822798D1 true DE69822798D1 (de) 2004-05-06
DE69822798T2 DE69822798T2 (de) 2004-08-05

Family

ID=26379287

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69822798T Expired - Lifetime DE69822798T2 (de) 1997-02-06 1998-01-28 Herstellungsverfahren für ein dünne magnetscheibe mit mikrokristalline struktur

Country Status (6)

Country Link
US (1) US6386269B1 (de)
EP (1) EP0959478B1 (de)
KR (1) KR100345995B1 (de)
CN (1) CN1111879C (de)
DE (1) DE69822798T2 (de)
WO (1) WO1998035364A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW383249B (en) * 1998-09-01 2000-03-01 Sumitomo Spec Metals Cutting method for rare earth alloy by annular saw and manufacturing for rare earth alloy board
US7195661B2 (en) 1999-03-05 2007-03-27 Pioneer Metals And Technology, Inc. Magnetic material
US6524399B1 (en) * 1999-03-05 2003-02-25 Pioneer Metals And Technology, Inc. Magnetic material
US6478889B2 (en) 1999-12-21 2002-11-12 Sumitomo Special Metals Co., Ltd. Iron-base alloy permanent magnet powder and method for producing the same
CN1162872C (zh) 1999-12-27 2004-08-18 住友特殊金属株式会社 铁基磁性材料合金粉末的制造方法
WO2001091139A1 (en) 2000-05-24 2001-11-29 Sumitomo Special Metals Co., Ltd. Permanent magnet including multiple ferromagnetic phases and method for producing the magnet
US7217328B2 (en) * 2000-11-13 2007-05-15 Neomax Co., Ltd. Compound for rare-earth bonded magnet and bonded magnet using the compound
RU2250524C2 (ru) * 2001-05-15 2005-04-20 Неомакс Ко., Лтд. Нанокомпозитные магниты из содержащего редкоземельный элемент сплава на основе железа
WO2003012802A1 (en) 2001-07-31 2003-02-13 Sumitomo Special Metals Co., Ltd. Method for producing nanocomposite magnet using atomizing method
JP3654236B2 (ja) * 2001-11-07 2005-06-02 株式会社日立製作所 電極デバイスの製造方法
JP4069727B2 (ja) * 2001-11-20 2008-04-02 日立金属株式会社 希土類系ボンド磁石用コンパウンドおよびそれを用いたボンド磁石
EP1446816B1 (de) * 2001-11-22 2006-08-02 Neomax Co., Ltd. Nanozusammensetzungsmagnet
CN1959878B (zh) * 2005-11-02 2010-09-15 四川大学 一种纳米晶钕铁硼永磁块体的制备方法
CN101509107B (zh) * 2009-02-23 2010-06-02 浙江大学 铁基非晶合金磁性材料及其制备方法
CN103331449B (zh) * 2013-06-05 2015-09-02 华南理工大学 一种超高塑性双尺度分布的超细晶/微米晶块体铁材料及其制备方法
DE102016104384A1 (de) 2015-03-13 2016-09-15 Showa Denko K.K. Gesinterter Magnet auf R-T-B-Seltenerdbasis und Legierung für einen gesinterten Magneten auf R-T-B-Seltenerdbasis
JP6672753B2 (ja) * 2015-03-13 2020-03-25 Tdk株式会社 Ｒ−ｔ−ｂ系希土類焼結磁石及びｒ−ｔ−ｂ系希土類焼結磁石用合金
CN108085608A (zh) * 2016-11-23 2018-05-29 龙岩紫荆创新研究院 一种R-B-Ti-Fe合金粉末及其制备方法与该合金粉末制备的热压磁体
CN110491615A (zh) * 2019-07-18 2019-11-22 山东科技大学 一种用于小型直流电机的钕铁硼磁体制备方法
CN112216499A (zh) * 2020-08-25 2021-01-12 宁波同创强磁材料有限公司 一种抗氧化烧结钕铁硼磁体的制备方法

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402770A (en) 1981-10-23 1983-09-06 The United States Of America As Represented By The Secretary Of The Navy Hard magnetic alloys of a transition metal and lanthanide
US4792368A (en) * 1982-08-21 1988-12-20 Sumitomo Special Metals Co., Ltd. Magnetic materials and permanent magnets
DE3379131D1 (en) 1982-09-03 1989-03-09 Gen Motors Corp Re-tm-b alloys, method for their production and permanent magnets containing such alloys
US4840684A (en) * 1983-05-06 1989-06-20 Sumitomo Special Metals Co, Ltd. Isotropic permanent magnets and process for producing same
JPS6032306A (ja) * 1983-08-02 1985-02-19 Sumitomo Special Metals Co Ltd 永久磁石
JPS60152008A (ja) * 1984-01-20 1985-08-10 Tdk Corp 永久磁石用材料
JPS6115943A (ja) * 1984-07-03 1986-01-24 Kawasaki Steel Corp 希土類系永久磁石薄帯
US4767450A (en) * 1984-11-27 1988-08-30 Sumitomo Special Metals Co., Ltd. Process for producing the rare earth alloy powders
US4762574A (en) * 1985-06-14 1988-08-09 Union Oil Company Of California Rare earth-iron-boron premanent magnets
US5125988A (en) * 1987-03-02 1992-06-30 Seiko Epson Corporation Rare earth-iron system permanent magnet and process for producing the same
EP0248981B1 (de) 1986-06-12 1993-07-07 Kabushiki Kaisha Toshiba Dauermagnet und Dauermagnetlegierung
JPS6318602A (ja) * 1986-07-11 1988-01-26 Toshiba Corp 希土類鉄系永久磁石の製造方法
DE3777523D1 (de) 1986-10-10 1992-04-23 Philips Nv Magnetisches material aus eisen, bor und seltenerdmetall.
WO1988004098A1 (en) 1986-11-26 1988-06-02 Tokin Corporation A method for producing a rare earth metal-iron-boron anisotropic sintered magnet from rapidly-quenched rare earth metal-iron-boron alloy ribbon-like flakes
US4881986A (en) * 1986-11-26 1989-11-21 Tokin Corporation Method for producing a rare earth metal-iron-boron anisotropic sintered magnet from rapidly-quenched rare earth metal-iron-boron alloy ribbon-like flakes
JPH01171209A (ja) * 1987-12-25 1989-07-06 Seiko Epson Corp 永久磁石の製造法
KR890010942A (ko) * 1987-12-30 1989-08-11 서주인 영구 자석의 합금 조성물
US5096513A (en) * 1989-09-01 1992-03-17 Kabushiki Kaisha Toshiba Very thin soft magnetic alloy strips and magnetic core and electromagnetic apparatus made therefrom
KR920005184B1 (ko) * 1989-12-29 1992-06-29 포항종합제철 주식회사 이방성 희토류 영구자석의 제조방법
CN1053988C (zh) * 1991-11-11 2000-06-28 住友特殊金属株式会社 稀土磁体和稀土磁体用的合金粉末及其制造方法
JP3826323B2 (ja) * 1992-07-17 2006-09-27 Ｔｄｋ株式会社 めっき磁性薄膜の製造方法
JP3040895B2 (ja) * 1993-02-23 2000-05-15 住友特殊金属株式会社 希土類ボンド磁石とその製造方法
DE69423305T2 (de) 1993-12-10 2000-11-30 Sumitomo Special Metals Co., Ltd. Dauermagnet-Legierungspulver auf Eisenbasis für harzgebundene Magneten und daraus hergestellte Magneten
JP3411663B2 (ja) * 1994-03-18 2003-06-03 住友特殊金属株式会社 永久磁石合金並びに永久磁石合金粉末とその製造方法
JPH08264363A (ja) * 1995-03-24 1996-10-11 Hitachi Metals Ltd 希土類永久磁石の製造方法
JPH10125518A (ja) * 1996-10-18 1998-05-15 Sumitomo Special Metals Co Ltd 微細結晶組織を有する薄板磁石

Also Published As

Publication number Publication date
KR100345995B1 (ko) 2002-07-24
EP0959478B1 (de) 2004-03-31
KR20000070762A (ko) 2000-11-25
DE69822798T2 (de) 2004-08-05
EP0959478A4 (de) 2000-08-09
EP0959478A1 (de) 1999-11-24
CN1249845A (zh) 2000-04-05
US6386269B1 (en) 2002-05-14
WO1998035364A1 (fr) 1998-08-13
CN1111879C (zh) 2003-06-18

Similar Documents

Publication Publication Date Title
DE69822798D1 (de) Herstellungsverfahren für ein dünne magnetscheibe mit mikrokristalline struktur
DE69024935D1 (de) Herstellungsverfahren für ein mikroventil
DE69840620D1 (de) Herstellungsverfahren für ein Substratdurchkontakt
DE69831455T2 (de) Datenaktualisierungsverfahren für ein Plattenspeichersteuergerät
DE69738595D1 (de) Herstellungsmethode für ein Halbleiter-Bauteil
DE69512282D1 (de) Herstellungsverfahren für ein mikromechanisches Element
DE69532430D1 (de) Ein Herstellungsverfahren einer Rückreflektorschicht für ein photovoltaisches Bauelement
DE10085249T1 (de) Stoßbegrenzende Aufhängung für ein Plattenlaufwerk
DE69834280D1 (de) Herstellungsverfahren für einen rückstrahlenden Gegenstand
DE69607400D1 (de) Platteneinspannsystem für ein Festplattenlaufwerk
DE69939895D1 (de) Herstellungsverfahren für ein halbleiterbauelement
FR2755537B1 (fr) Procede de fabrication d'un film mince sur un support et structure ainsi obtenue
DE69941357D1 (de) Herstellungsverfahren für ein vorgefertigtes retroreflektierendes Schild
DE3856452D1 (de) Herstellungsmethode für ein supraleitendes Bauelement
DE69504590D1 (de) Herstellungsverfahren für Vorrichtungen mit metallisierten magnetischen Substraten
DE69616635D1 (de) Ein Gerät für die magnetische Resonanz
DE69628781D1 (de) Kopfgleitstück tragender Struktur für Magnetplattengerät
DE69502483D1 (de) Basisschicht für ein beschichtungsystem
ATE234504T1 (de) Herstellungsverfahren für eine transponderspule
DE69921313D1 (de) Halteanordnung für ein stabteil
DE69826185D1 (de) Beschichtungszusammensetzung für ein Aufzeichnungsmaterial, Aufzeichnungsmaterial und Herstellungsverfahren zum Aufzeichnungsmaterial
DE69738705D1 (de) Herstellungsverfahren für eine Kontaktstruktur
DE69907694T2 (de) Herstellungsverfahren für para-xylen
DE69714646D1 (de) Verbindungsstruktur für ein Supraleiter
DE69736136D1 (de) Landescheinwerfer für ein Flugzeug mit magnetischer Bremse

Legal Events

Date Code Title Description
8364 No opposition during term of opposition