DE69736465D1 - Verschnurte magnetstruktur - Google Patents

Verschnurte magnetstruktur

Info

Publication number
DE69736465D1
DE69736465D1 DE69736465T DE69736465T DE69736465D1 DE 69736465 D1 DE69736465 D1 DE 69736465D1 DE 69736465 T DE69736465 T DE 69736465T DE 69736465 T DE69736465 T DE 69736465T DE 69736465 D1 DE69736465 D1 DE 69736465D1
Authority
DE
Germany
Prior art keywords
magnetic structure
cutting magnetic
cutting
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
DE69736465T
Other languages
English (en)
Other versions
DE69736465T2 (de
Inventor
Manlio Abele
Henry Rusinek
Jens Jensen
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.)
New York University NYU
Original Assignee
New York University NYU
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 New York University NYU filed Critical New York University NYU
Application granted granted Critical
Publication of DE69736465D1 publication Critical patent/DE69736465D1/de
Publication of DE69736465T2 publication Critical patent/DE69736465T2/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
    • 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
    • G01R33/3806—Open magnet assemblies for improved access to the sample, e.g. C-type or U-type magnets
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69736465T 1996-02-26 1997-02-25 Verschnurte magnetstruktur Expired - Lifetime DE69736465T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US613756 1996-02-26
US08/613,756 US5798680A (en) 1994-04-15 1996-02-26 Strapped open magnetic structure
PCT/US1997/002969 WO1997031381A1 (en) 1996-02-26 1997-02-25 Strapped open magnetic structure

Publications (2)

Publication Number Publication Date
DE69736465D1 true DE69736465D1 (de) 2006-09-21
DE69736465T2 DE69736465T2 (de) 2007-08-02

Family

ID=24458578

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69736465T Expired - Lifetime DE69736465T2 (de) 1996-02-26 1997-02-25 Verschnurte magnetstruktur

Country Status (6)

Country Link
US (1) US5798680A (de)
EP (1) EP0883883B1 (de)
JP (1) JP2000505597A (de)
AU (1) AU2056897A (de)
DE (1) DE69736465T2 (de)
WO (1) WO1997031381A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9703321D0 (en) * 1997-02-18 1997-04-09 Marconi Gec Ltd Nuclear magnetic resonance imaging apparatus
US6331363B1 (en) 1998-11-06 2001-12-18 Honeywell International Inc. Bulk amorphous metal magnetic components
US6348275B1 (en) 1998-11-06 2002-02-19 Honeywell International Inc. Bulk amorphous metal magnetic component
US6346337B1 (en) 1998-11-06 2002-02-12 Honeywell International Inc. Bulk amorphous metal magnetic component
WO2001053847A1 (en) 2000-01-19 2001-07-26 Millennium Technology Inc. C-shaped magnetic resonance imaging system
US6552639B2 (en) 2000-04-28 2003-04-22 Honeywell International Inc. Bulk stamped amorphous metal magnetic component
US6873239B2 (en) 2002-11-01 2005-03-29 Metglas Inc. Bulk laminated amorphous metal inductive device
US6737951B1 (en) 2002-11-01 2004-05-18 Metglas, Inc. Bulk amorphous metal inductive device
US6954070B2 (en) * 2003-01-06 2005-10-11 Brk Wireless Company, Inc. NMR imaging system with conical permanent magnet
US7235910B2 (en) 2003-04-25 2007-06-26 Metglas, Inc. Selective etching process for cutting amorphous metal shapes and components made thereof
US7274192B2 (en) * 2005-05-31 2007-09-25 General Electric Company Combined open and closed magnet configuration for MRI
DE102006059707B3 (de) * 2006-12-18 2008-07-31 Siemens Ag Einrichtung zur Strahlentherapie unter Bildüberwachung
US20090195248A1 (en) * 2008-02-01 2009-08-06 Wang Nmr Inc. Table-top magnetic resonance imaging apparatus with permanent magnet
IT1395836B1 (it) * 2009-10-09 2012-10-26 Esaote Spa Metodo per la realizzazione di un magnete permanente in particolare per scanner mri ed un magnete permanente, in particolare per scanner mri realizzato con detto metodo
WO2018106760A1 (en) * 2016-12-06 2018-06-14 Yale University Mri system using nonuniform magnetic fields
ES2800201T3 (es) * 2017-11-27 2020-12-28 Premo Sa Dispositivo inductor con configuración ligera

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3227931A (en) * 1963-07-18 1966-01-04 Zenith Radio Corp Permanent-magnet uniform-field-producing apparatus
DE3518852A1 (de) * 1985-05-23 1986-11-27 Siemens AG, 1000 Berlin und 8000 München Magnet eines kernspintomographen
US4771256A (en) * 1987-04-02 1988-09-13 General Electric Company Integral shield for mr magnet
US4721934A (en) * 1987-04-02 1988-01-26 General Electric Company Axial strap suspension system for a magnetic resonance magnet
US4985678A (en) * 1988-10-14 1991-01-15 Picker International, Inc. Horizontal field iron core magnetic resonance scanner
US5003276A (en) * 1989-08-11 1991-03-26 General Atomics Method of site shimming on permanent magnets
US5001447A (en) * 1989-08-23 1991-03-19 General Electric Company Ferromagnetic compensation rings for high field strength magnets
US5119057A (en) * 1989-10-19 1992-06-02 New York University Optimum design of two-dimensional permanent magnets
US4998083A (en) * 1989-11-02 1991-03-05 New York University Yokeless permanent magnet structure and method of construction
US5049848A (en) * 1989-11-28 1991-09-17 Pulyer Yuly M High field strength magnet, preferably having remote shimming of field
US5162770A (en) * 1990-02-22 1992-11-10 Esaote Biomedica Terminations of cylindrical permanent magnets
US5162771A (en) * 1990-10-01 1992-11-10 New York University Highly efficient yoked permanent magnet
US5107239A (en) * 1991-05-30 1992-04-21 New York University Hybrid permanent magnets
US5285393A (en) * 1991-11-19 1994-02-08 New York University Method for determination of optimum fields of permanent magnet structures with linear magnetic characteristics
DE69319120T2 (de) * 1992-07-27 1999-01-07 Univ New York Magnetstruktur mit hoher feldstärke
US5278534A (en) * 1992-09-01 1994-01-11 New York University Magnetic structure having a mirror
US5428333A (en) * 1993-01-22 1995-06-27 New York University Method and apparatus for compensation of field distortion in a magnetic structure
US5475355A (en) * 1994-04-15 1995-12-12 New York University Method and apparatus for compensation of field distortion in a magnetic structure using spatial filter
US5495222A (en) * 1994-04-15 1996-02-27 New York University Open permanent magnet structure for generating highly uniform field
US5446434A (en) * 1994-07-27 1995-08-29 General Electric Company Magnet having pole faces with trapezoidal-shaped shims

Also Published As

Publication number Publication date
DE69736465T2 (de) 2007-08-02
EP0883883B1 (de) 2006-08-09
US5798680A (en) 1998-08-25
WO1997031381A1 (en) 1997-08-28
EP0883883A1 (de) 1998-12-16
EP0883883A4 (de) 1999-10-06
JP2000505597A (ja) 2000-05-09
AU2056897A (en) 1997-09-10

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Legal Events

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8364 No opposition during term of opposition