AUPM638794A0 - Susceptibility compensated coils - Google Patents
Susceptibility compensated coilsInfo
- 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
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)
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)
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)
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 |
-
1994
- 1994-06-23 AU AUPM6387A patent/AUPM638794A0/en not_active Abandoned
-
1995
- 1995-06-20 WO PCT/AU1995/000356 patent/WO1996000400A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO1996000400A1 (en) | 1996-01-04 |
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