NL1024853A1 - Koude-massasysteemstructuur en heliumvat van actief afgeschermde open MRI-magneet met een veld van hoog vermogen. - Google Patents

Koude-massasysteemstructuur en heliumvat van actief afgeschermde open MRI-magneet met een veld van hoog vermogen.

Info

Publication number
NL1024853A1
NL1024853A1 NL1024853A NL1024853A NL1024853A1 NL 1024853 A1 NL1024853 A1 NL 1024853A1 NL 1024853 A NL1024853 A NL 1024853A NL 1024853 A NL1024853 A NL 1024853A NL 1024853 A1 NL1024853 A1 NL 1024853A1
Authority
NL
Netherlands
Prior art keywords
cold
system structure
power field
mass system
helium vessel
Prior art date
Application number
NL1024853A
Other languages
English (en)
Other versions
NL1024853C2 (nl
Inventor
Paul S Thompson
Michael A Palmo
Michele D Ogle
Xianrui Huang
Evangelos Laskaris
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of NL1024853A1 publication Critical patent/NL1024853A1/nl
Application granted granted Critical
Publication of NL1024853C2 publication Critical patent/NL1024853C2/nl

Links

Classifications

    • 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
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
NL1024853A 2002-11-25 2003-11-24 Koude-massasysteemstructuur en heliumvat van actief afgeschermde open MRI-magneet met een veld van hoog vermogen. NL1024853C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/065,848 US7242191B2 (en) 2002-11-25 2002-11-25 Cold mass support structure and helium vessel of actively shielded high field open MRI magnets
US6584802 2002-11-25

Publications (2)

Publication Number Publication Date
NL1024853A1 true NL1024853A1 (nl) 2004-05-26
NL1024853C2 NL1024853C2 (nl) 2005-01-04

Family

ID=29778430

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1024853A NL1024853C2 (nl) 2002-11-25 2003-11-24 Koude-massasysteemstructuur en heliumvat van actief afgeschermde open MRI-magneet met een veld van hoog vermogen.

Country Status (6)

Country Link
US (1) US7242191B2 (nl)
JP (1) JP2004174243A (nl)
CN (1) CN100504431C (nl)
DE (1) DE10352647A1 (nl)
GB (1) GB2397381B (nl)
NL (1) NL1024853C2 (nl)

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Also Published As

Publication number Publication date
CN100504431C (zh) 2009-06-24
JP2004174243A (ja) 2004-06-24
GB2397381B (en) 2007-06-27
US20040100261A1 (en) 2004-05-27
US7242191B2 (en) 2007-07-10
CN1523369A (zh) 2004-08-25
GB0326962D0 (en) 2003-12-24
NL1024853C2 (nl) 2005-01-04
GB2397381A (en) 2004-07-21
DE10352647A1 (de) 2004-06-03

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RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 20040901

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V1 Lapsed because of non-payment of the annual fee

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