DE3884439D1 - Ein seltene erden-dauermagnet. - Google Patents

Ein seltene erden-dauermagnet.

Info

Publication number
DE3884439D1
DE3884439D1 DE88105099T DE3884439T DE3884439D1 DE 3884439 D1 DE3884439 D1 DE 3884439D1 DE 88105099 T DE88105099 T DE 88105099T DE 3884439 T DE3884439 T DE 3884439T DE 3884439 D1 DE3884439 D1 DE 3884439D1
Authority
DE
Germany
Prior art keywords
permanent magnet
rare earth
earth permanent
rare
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.)
Expired - Lifetime
Application number
DE88105099T
Other languages
English (en)
Other versions
DE3884439T2 (de
Inventor
Itaru Okonogi
Yukihiko Shiohara
Mitsuru Sakurai
Masahiro Ota
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of DE3884439D1 publication Critical patent/DE3884439D1/de
Application granted granted Critical
Publication of DE3884439T2 publication Critical patent/DE3884439T2/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
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0558—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together bonded together
    • 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
    • H01F41/0253—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 for manufacturing permanent magnets
    • H01F41/026—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 for manufacturing permanent magnets protecting methods against environmental influences, e.g. oxygen, by surface treatment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
    • Y10T428/31544—Addition polymer is perhalogenated

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
DE19883884439 1987-03-31 1988-03-29 Ein seltene Erden-Dauermagnet. Expired - Lifetime DE3884439T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7823987 1987-03-31
JP7823787 1987-03-31
JP20560987 1987-08-19

Publications (2)

Publication Number Publication Date
DE3884439D1 true DE3884439D1 (de) 1993-11-04
DE3884439T2 DE3884439T2 (de) 1994-03-03

Family

ID=27302649

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883884439 Expired - Lifetime DE3884439T2 (de) 1987-03-31 1988-03-29 Ein seltene Erden-Dauermagnet.

Country Status (4)

Country Link
US (1) US4865915A (de)
EP (1) EP0285990B1 (de)
DE (1) DE3884439T2 (de)
HK (1) HK106897A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1007847B (zh) * 1984-12-24 1990-05-02 住友特殊金属株式会社 制造具有改进耐蚀性磁铁的方法
GB8707905D0 (en) * 1987-04-02 1987-05-07 Univ Birmingham Magnets
JP3269232B2 (ja) * 1993-12-16 2002-03-25 ソニー・プレシジョン・テクノロジー株式会社 磁気式平面型リニアスケール
US5629092A (en) * 1994-12-16 1997-05-13 General Motors Corporation Lubricous encapsulated ferromagnetic particles
JP2000036403A (ja) 1998-07-21 2000-02-02 Seiko Epson Corp 希土類ボンド磁石用組成物、希土類ボンド磁石および希土類ボンド磁石の製造方法
DE69925638D1 (de) * 1998-12-07 2005-07-07 Sumitomo Metal Mining Co Harzgebundene magnet
US6261515B1 (en) * 1999-03-01 2001-07-17 Guangzhi Ren Method for producing rare earth magnet having high magnetic properties
US6739094B1 (en) * 2000-09-22 2004-05-25 Cooper Technology Services, Llc Seal with compliant magnetic appendage
EP1584908B1 (de) * 2004-04-08 2011-11-16 Jtekt Corporation Drehmomentsensor und Verfahren zu seiner Herstellung
JP4591112B2 (ja) * 2005-02-25 2010-12-01 株式会社日立製作所 永久磁石式回転機
CN101522786B (zh) * 2006-10-13 2012-08-08 3M创新有限公司 含有一羟基芳族材料的粉末涂覆型含氟聚合物组合物
US8327474B2 (en) * 2008-12-23 2012-12-11 Van Zeeland Anthony J Magnetic drain stopper assembly
CN102414226B (zh) * 2009-04-30 2013-07-03 巴斯夫欧洲公司 去除金属杂质的方法
JP6246500B2 (ja) * 2013-05-28 2017-12-13 日本電産サンキョー株式会社 希土類磁石の製造方法
CN105537075A (zh) * 2015-12-22 2016-05-04 龙岩紫荆创新研究院 钕铁硼的热喷涂涂层及其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6614937A (de) * 1965-10-23 1967-04-24
JPS5681908A (en) * 1980-10-14 1981-07-04 Seiko Epson Corp Rare earth metal intermetallic compound sintered magnet having covered surface
JPS5922302A (ja) * 1982-07-29 1984-02-04 Toshiba Corp 永久磁石の製造方法
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
EP0108474B2 (de) * 1982-09-03 1995-06-21 General Motors Corporation RE-TM-B Legierungen, deren Herstellung und permanent Magnete die solche Legierungen enthalten
CA1205725A (en) * 1982-09-06 1986-06-10 Emiko Higashinakagawa Corrosion-resistant and wear-resistant amorphous alloy and a method for preparing the same
EP0205786B1 (de) * 1985-06-26 1990-01-31 Kabushiki Kaisha Toshiba Magnetkern und Herstellungsverfahren
JPS63158812A (ja) * 1986-12-22 1988-07-01 Kubota Ltd 耐食性にすぐれた樹脂被覆磁石

Also Published As

Publication number Publication date
EP0285990B1 (de) 1993-09-29
EP0285990A1 (de) 1988-10-12
DE3884439T2 (de) 1994-03-03
US4865915A (en) 1989-09-12
HK106897A (en) 1997-08-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: HOFFMANN, E., DIPL.-ING., PAT.-ANW., 82166 GRAEFELFING