DE3719306C2 - - Google Patents

Info

Publication number
DE3719306C2
DE3719306C2 DE19873719306 DE3719306A DE3719306C2 DE 3719306 C2 DE3719306 C2 DE 3719306C2 DE 19873719306 DE19873719306 DE 19873719306 DE 3719306 A DE3719306 A DE 3719306A DE 3719306 C2 DE3719306 C2 DE 3719306C2
Authority
DE
Germany
Prior art keywords
magnetization
magnet
wound
strand
permanent magnetic
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
DE19873719306
Other languages
German (de)
English (en)
Other versions
DE3719306A1 (de
Inventor
Michael Dr. 6745 Offenbach De Westphal
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.)
Bruker Biospin GmbH
Original Assignee
Bruker Analytische Messtechnik GmbH
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 Bruker Analytische Messtechnik GmbH filed Critical Bruker Analytische Messtechnik GmbH
Priority to DE19873719306 priority Critical patent/DE3719306A1/de
Publication of DE3719306A1 publication Critical patent/DE3719306A1/de
Application granted granted Critical
Publication of DE3719306C2 publication Critical patent/DE3719306C2/de
Granted 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]
    • H01F7/0273—Magnetic circuits with PM for magnetic field generation
    • H01F7/0278—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/383—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/003—Methods and devices for magnetising permanent magnets
    • 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
    • H01F41/0286—Trimming

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE19873719306 1987-06-10 1987-06-10 Magnet fuer nmr-tomographen und verfahren zu seiner herstellung Granted DE3719306A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873719306 DE3719306A1 (de) 1987-06-10 1987-06-10 Magnet fuer nmr-tomographen und verfahren zu seiner herstellung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873719306 DE3719306A1 (de) 1987-06-10 1987-06-10 Magnet fuer nmr-tomographen und verfahren zu seiner herstellung

Publications (2)

Publication Number Publication Date
DE3719306A1 DE3719306A1 (de) 1988-12-22
DE3719306C2 true DE3719306C2 (fr) 1991-11-21

Family

ID=6329392

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873719306 Granted DE3719306A1 (de) 1987-06-10 1987-06-10 Magnet fuer nmr-tomographen und verfahren zu seiner herstellung

Country Status (1)

Country Link
DE (1) DE3719306A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2104566C1 (ru) * 1990-12-05 1998-02-10 Ньюмар Корпорейшн Устройство для каротажа буровой скважины
EP0525246A1 (fr) * 1991-08-01 1993-02-03 Siemens Aktiengesellschaft Dispositif à aimant avec un corp de joug pour produire un champ de fuite
GB9225696D0 (en) * 1992-12-09 1993-02-03 Cookson Group Plc Method for the fabrication of magnetic materials
EP0645641B1 (fr) * 1993-09-29 1999-06-16 Oxford Magnet Technology Limited Améliorations rélatives à des aimants pour l'imagerie par résonance magnétique
GB2294120A (en) * 1994-09-22 1996-04-17 Univ California Eddy current-less pole tips for MRI magnets
DE29906661U1 (de) * 1999-04-15 1999-07-29 Rheinmagnet Horst Baermann GmbH, 53819 Neunkirchen-Seelscheid Magnetspirale
JP3987686B2 (ja) * 2001-02-02 2007-10-10 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 静磁界補正方法およびｍｒｉ装置
DE102017217700A1 (de) 2017-10-05 2019-04-11 Robert Bosch Gmbh Magnetanordnung sowie Kernspinresonanz-Vorrichtung
DE102020003964A1 (de) 2020-07-02 2022-01-05 Baumer Hübner GmbH Verfahren zur Herstellung einer Maßverkörperung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3312626A1 (de) * 1983-04-08 1984-10-11 Vacuumschmelze Gmbh, 6450 Hanau Magnetanordnung zur erzeugung eines homogenen magnetfeldes
FR2566958B1 (fr) * 1984-06-27 1989-04-28 Centre Nat Rech Scient Dispositif generateur de champ magnetique uniforme
EP0167639A1 (fr) * 1984-06-28 1986-01-15 E.I. Du Pont De Nemours And Company Appareil pour la production d'images en résonance magnétique nucléaire comportant un aimant permanent
NL8402250A (nl) * 1984-07-17 1986-02-17 Philips Nv Kernspin resonantie apparaat met een rechthoekig permanent magnetische magneet.
US4641119A (en) * 1985-04-19 1987-02-03 Kabushiki Kaisha Toshiba Laminar magnet for magnetic resonance device and method of making same

Also Published As

Publication number Publication date
DE3719306A1 (de) 1988-12-22

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: G01R 33/38

D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BRUKER ANALYTIK GMBH, 76287 RHEINSTETTEN, DE

8339 Ceased/non-payment of the annual fee