DE68910226D1 - Anisotropische Selten-Erden-Permanentmagnete und Herstellungsverfahren. - Google Patents
Anisotropische Selten-Erden-Permanentmagnete und Herstellungsverfahren.Info
- Publication number
- DE68910226D1 DE68910226D1 DE89115137T DE68910226T DE68910226D1 DE 68910226 D1 DE68910226 D1 DE 68910226D1 DE 89115137 T DE89115137 T DE 89115137T DE 68910226 T DE68910226 T DE 68910226T DE 68910226 D1 DE68910226 D1 DE 68910226D1
- Authority
- DE
- Germany
- Prior art keywords
- rare earth
- permanent magnets
- manufacturing processes
- earth permanent
- anisotropic rare
- 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 - Fee Related
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]
- H01F7/0205—Magnetic circuits with PM in general
- H01F7/021—Construction of PM
-
- 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
- H01F41/0273—Imparting anisotropy
-
- 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
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/58—Processes of forming magnets
-
- 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
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/033—Magnet
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20521488 | 1988-08-18 | ||
JP3809389 | 1989-02-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68910226D1 true DE68910226D1 (de) | 1993-12-02 |
DE68910226T2 DE68910226T2 (de) | 1994-03-17 |
Family
ID=26377285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE89115137T Expired - Fee Related DE68910226T2 (de) | 1988-08-18 | 1989-08-17 | Anisotropische Selten-Erden-Permanentmagnete und Herstellungsverfahren. |
Country Status (3)
Country | Link |
---|---|
US (2) | US5049053A (de) |
EP (1) | EP0355704B1 (de) |
DE (1) | DE68910226T2 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3924842C1 (de) * | 1989-07-27 | 1990-12-13 | Baumueller Nuernberg Gmbh, 8500 Nuernberg, De | |
EP0577874A1 (de) * | 1992-07-08 | 1994-01-12 | Siemens Aktiengesellschaft | Wiggler mit Spulenanordnungen mit konzentrischen Spulen |
JP2756471B2 (ja) * | 1993-03-12 | 1998-05-25 | セイコーインスツルメンツ株式会社 | ラジアル配向磁石の製造方法およびラジアル配向磁石 |
DE69429326T2 (de) * | 1993-12-27 | 2002-05-16 | Sumitomo Spec Metals | Verfahren zum Granulieren von Pulver |
JPH09150438A (ja) * | 1995-11-28 | 1997-06-10 | Seiko Giken:Kk | 光ディスク基盤射出成形金型のスタンパプレート装着装置 |
GB2311891A (en) * | 1996-04-04 | 1997-10-08 | Analytical Precision Ltd | A method of forming a magnetic body, e.g. for a mass spectrometer |
JP3249930B2 (ja) * | 1997-04-14 | 2002-01-28 | 信越化学工業株式会社 | 挿入光源 |
DE19953650C2 (de) * | 1999-11-08 | 2003-07-24 | Inst Mikrotechnik Mainz Gmbh | Verfahren zur Herstellung und Magazinierung von Einzelmagnetbauteilen sowie deren Montage zur Herstellung von miniaturisierten Magnetsystemen und solche Magnetsysteme |
DE19962232B4 (de) * | 1999-12-22 | 2006-05-04 | Vacuumschmelze Gmbh | Verfahren zur Herstellung stabförmiger Dauermagnete |
WO2003049845A1 (en) * | 2001-12-05 | 2003-06-19 | Pharmacia Corporation | High strength magnetic stir bar |
CN100528420C (zh) * | 2002-04-12 | 2009-08-19 | 日立金属株式会社 | 稀土类合金粉末的压制成型方法以及稀土类合金烧结体的制造方法 |
US8865050B2 (en) * | 2010-03-16 | 2014-10-21 | The Boeing Company | Method for curing a composite part layup |
US8372327B2 (en) | 2007-09-13 | 2013-02-12 | The Boeing Company | Method for resin transfer molding composite parts |
US8017059B2 (en) | 2007-09-13 | 2011-09-13 | The Boeing Company | Composite fabrication apparatus and method |
US8343402B1 (en) * | 2007-09-13 | 2013-01-01 | The Boeing Company | Consolidation of composite material |
CN102982936B (zh) * | 2012-11-09 | 2015-09-23 | 厦门钨业股份有限公司 | 烧结Nd-Fe-B系磁铁的省却工序的制作方法 |
AU2014281646A1 (en) | 2013-06-17 | 2016-02-11 | Urban Mining Technology Company, Llc | Magnet recycling to create Nd-Fe-B magnets with improved or restored magnetic performance |
US9336932B1 (en) | 2014-08-15 | 2016-05-10 | Urban Mining Company | Grain boundary engineering |
CN106704323B (zh) * | 2016-12-20 | 2019-06-07 | 天津博雅全鑫磁电科技有限公司 | 一种大批量永磁材料高精度粘接成型的装置及方法 |
EP3633698A4 (de) | 2017-05-26 | 2021-02-24 | Nitto Denko Corporation | Magnetherstellungsverfahren und magnetmagnetisierungsverfahren |
US10619755B2 (en) * | 2018-01-17 | 2020-04-14 | Nextern, Inc. | Solenoid operated valve with flux density concentration ring and molded-in valve seat |
US11398330B2 (en) * | 2018-10-19 | 2022-07-26 | Magmedics, LLC | Therapeutic field directional magnetic array |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1199674B (de) * | 1961-10-12 | 1965-08-26 | Silika Und Schamottefabriken M | Form-Mutterkasten zum Halten der Stahlformplatten fuer die Herstellung keramischer Formlinge und Verfahren zum Herstellen desselben |
US3555621A (en) * | 1967-04-22 | 1971-01-19 | Tamagawa Kikai Kinzoku Kk | Compacting apparatus for magnetic powders |
US3694115A (en) * | 1967-11-09 | 1972-09-26 | Magnetfab Bonn Gmbh | Molding apparatus for making anisotropic ring-shaped magnets with zones having a preferred radial direction |
US3564654A (en) * | 1968-03-19 | 1971-02-23 | Magnetfab Bonn Gmbh | Automatic pressing tool for anisotropic permanent magnets |
US4197067A (en) * | 1976-05-27 | 1980-04-08 | General Electric Company | Composite mold construction |
US4104787A (en) * | 1977-03-21 | 1978-08-08 | General Motors Corporation | Forming curved wafer thin magnets from rare earth-cobalt alloy powders |
DE3047701A1 (de) * | 1980-12-18 | 1982-07-15 | Magnetfabrik Bonn Gmbh Vorm. Gewerkschaft Windhorst, 5300 Bonn | Verfahren zum herstellen von anisotropen dauermagneten und danach hergestellte rohrfoermige dauermagnete |
US4601875A (en) * | 1983-05-25 | 1986-07-22 | Sumitomo Special Metals Co., Ltd. | Process for producing magnetic materials |
DE3484406D1 (de) * | 1983-06-08 | 1991-05-16 | Hitachi Metals Ltd | Methode und apparat zur herstellung von anisotropen magneten. |
JPS60115422A (ja) * | 1983-11-28 | 1985-06-21 | Matsushita Electric Ind Co Ltd | マグネットロ−ルの製造法 |
JPS60141839A (ja) * | 1983-12-28 | 1985-07-26 | Fujitsu Ltd | 希土類コバルト磁石の製法 |
US4666389A (en) * | 1985-01-25 | 1987-05-19 | The Texas A&M University System | Apparatus for forming compacts from solid particles |
JPH0624174B2 (ja) * | 1985-07-12 | 1994-03-30 | 三菱化成株式会社 | 円筒磁石の製造方法 |
US4722824A (en) * | 1986-06-04 | 1988-02-02 | Fine Particle Technology Corp. | Method of joining green bodies prior to sintering |
DE3626360C2 (de) * | 1986-08-04 | 1995-06-22 | Vogt Electronic Ag | Herstellungsvefahren für zwei- und mehrpolige Dauermagnete mit hoher magnetischer Energiedichte |
-
1989
- 1989-08-16 US US07/394,573 patent/US5049053A/en not_active Expired - Fee Related
- 1989-08-17 EP EP89115137A patent/EP0355704B1/de not_active Expired - Lifetime
- 1989-08-17 DE DE89115137T patent/DE68910226T2/de not_active Expired - Fee Related
-
1992
- 1992-12-03 US US07/984,702 patent/US5338372A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0355704B1 (de) | 1993-10-27 |
EP0355704A1 (de) | 1990-02-28 |
DE68910226T2 (de) | 1994-03-17 |
US5049053A (en) | 1991-09-17 |
US5338372A (en) | 1994-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |