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AUPM638794A0 - Susceptibility compensated coils - Google Patents

Susceptibility compensated coils

Info

Publication number
AUPM638794A0
AUPM638794A0 AUPM6387A AUPM638794A AUPM638794A0 AU PM638794 A0 AUPM638794 A0 AU PM638794A0 AU PM6387 A AUPM6387 A AU PM6387A AU PM638794 A AUPM638794 A AU PM638794A AU PM638794 A0 AUPM638794 A0 AU PM638794A0
Authority
AU
Australia
Prior art keywords
susceptibility
coils
compensated coils
susceptibility compensated
compensated
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.)
Abandoned
Application number
AUPM6387A
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.)
University of Queensland UQ
Original Assignee
University of Queensland UQ
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 University of Queensland UQ filed Critical University of Queensland UQ
Priority to AUPM6387A priority Critical patent/AUPM638794A0/en
Publication of AUPM638794A0 publication Critical patent/AUPM638794A0/en
Priority to PCT/AU1995/000356 priority patent/WO1996000400A1/en
Priority to AU27070/95A priority patent/AU2707095A/en
Abandoned legal-status Critical Current

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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34076—Birdcage coils
    • 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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56527—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to chemical shift effects
    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56536—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to magnetic susceptibility variations

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
AUPM6387A 1994-06-23 1994-06-23 Susceptibility compensated coils Abandoned AUPM638794A0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AUPM6387A AUPM638794A0 (en) 1994-06-23 1994-06-23 Susceptibility compensated coils
PCT/AU1995/000356 WO1996000400A1 (en) 1994-06-23 1995-06-20 Susceptibility compensated coils
AU27070/95A AU2707095A (en) 1994-06-23 1995-06-20 Susceptibility compensated coils

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPM6387A AUPM638794A0 (en) 1994-06-23 1994-06-23 Susceptibility compensated coils

Publications (1)

Publication Number Publication Date
AUPM638794A0 true AUPM638794A0 (en) 1994-07-14

Family

ID=3780956

Family Applications (1)

Application Number Title Priority Date Filing Date
AUPM6387A Abandoned AUPM638794A0 (en) 1994-06-23 1994-06-23 Susceptibility compensated coils

Country Status (2)

Country Link
AU (1) AUPM638794A0 (en)
WO (1) WO1996000400A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3833926B2 (en) 2001-11-05 2006-10-18 日本電子株式会社 Linear member and method of manufacturing linear member
EP1847845A1 (en) * 2006-04-19 2007-10-24 Eidgenössische Technische Hochschule (ETH) Susceptibility-matched magnetic field probe and method for manufacturing the same
GB2511049B (en) * 2013-02-20 2016-05-25 Siemens Healthcare Ltd Methods and apparatus for compensating for drift in magnetic field strength in superconducting magnets
GB2511048B (en) * 2013-02-20 2016-05-25 Siemens Healthcare Ltd Methods and apparatus for compensating for drift in magnetic field strength in superconducting magnets
CN109597010A (en) * 2018-12-04 2019-04-09 北京昆迈生物医学研究院有限公司 A kind of high-performance magnetism screening arrangement and method based on Active Compensation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4707663A (en) * 1985-08-15 1987-11-17 Fonar Corporation Nuclear magnetic resonance apparatus using low energy magnetic elements
US4675609A (en) * 1985-09-18 1987-06-23 Fonar Corporation Nuclear magnetic resonance apparatus including permanent magnet configuration
US4737717A (en) * 1987-03-26 1988-04-12 Siemens Medical Systems Inc. Magnetic field correction using a channel for positioning magnetic material
US4980641A (en) * 1989-08-11 1990-12-25 General Atomics Method and apparatus of reducing magnetic hysteresis in MRI systems
DE3937150A1 (en) * 1989-11-08 1991-05-23 Bruker Analytische Messtechnik CORE RESONANCE SPECTROMETER
US5061897A (en) * 1990-03-23 1991-10-29 Fonar Corporation Eddy current control in magnetic resonance imaging
FR2704975B1 (en) * 1993-05-03 1995-06-23 Commissariat Energie Atomique Permanent magnet structure for the production of a stable and homogeneous magnetic induction in a given volume.
JP3654919B2 (en) * 1993-06-07 2005-06-02 株式会社東芝 Electromagnetic shielding doorway structure, electromagnetic shielding structure and electromagnetic shielding room

Also Published As

Publication number Publication date
WO1996000400A1 (en) 1996-01-04

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