DE3576207D1 - Anpassungsgeraet fuer magnetische kernresonanzwicklung unter verwendung von gegeninduktivitaet. - Google Patents

Anpassungsgeraet fuer magnetische kernresonanzwicklung unter verwendung von gegeninduktivitaet.

Info

Publication number
DE3576207D1
DE3576207D1 DE8585113303T DE3576207T DE3576207D1 DE 3576207 D1 DE3576207 D1 DE 3576207D1 DE 8585113303 T DE8585113303 T DE 8585113303T DE 3576207 T DE3576207 T DE 3576207T DE 3576207 D1 DE3576207 D1 DE 3576207D1
Authority
DE
Germany
Prior art keywords
inductivity
adapter
counter
magnetic core
core resonance
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 - Fee Related
Application number
DE8585113303T
Other languages
English (en)
Inventor
Patrick Lee Jaskolski
Matthew G Eash
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE3576207D1 publication Critical patent/DE3576207D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
    • G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
    • 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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
    • 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
    • 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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3628—Tuning/matching of the transmit/receive coil
    • 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
    • G01R33/42—Screening
    • G01R33/422—Screening of the radio frequency field
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/842—Measuring and testing
    • Y10S505/843—Electrical
    • Y10S505/844—Nuclear magnetic resonance, NMR, system or device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE8585113303T 1984-10-29 1985-10-19 Anpassungsgeraet fuer magnetische kernresonanzwicklung unter verwendung von gegeninduktivitaet. Expired - Fee Related DE3576207D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/665,487 US4638253A (en) 1984-10-29 1984-10-29 Mutual inductance NMR RF coil matching device

Publications (1)

Publication Number Publication Date
DE3576207D1 true DE3576207D1 (de) 1990-04-05

Family

ID=24670314

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585113303T Expired - Fee Related DE3576207D1 (de) 1984-10-29 1985-10-19 Anpassungsgeraet fuer magnetische kernresonanzwicklung unter verwendung von gegeninduktivitaet.

Country Status (8)

Country Link
US (1) US4638253A (de)
EP (1) EP0180121B1 (de)
JP (1) JP2602494B2 (de)
KR (1) KR890000411B1 (de)
CN (1) CN1005932B (de)
DE (1) DE3576207D1 (de)
FI (1) FI853151L (de)
IL (1) IL76252A (de)

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US5045792A (en) * 1985-08-14 1991-09-03 Picker International, Inc. Split and non-circular magnetic resonance probes with optimum field uniformity
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DE3763625D1 (de) * 1986-05-20 1990-08-16 Siemens Ag Antenneneinrichtung zum anregen und/oder empfangen hochfrequenter felder in einer kernspintomographie-apparatur.
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US4783641A (en) * 1987-08-13 1988-11-08 General Electric Company NMR radio frequecny field coil with distributed current
JP2594975B2 (ja) * 1987-09-21 1997-03-26 三菱電機株式会社 Ｎｍｒ用高周波プローブ
US4820985A (en) * 1988-04-06 1989-04-11 General Electric Company Apparatus for tuning an NMR field coil
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US5081418A (en) * 1990-04-30 1992-01-14 General Electric Company Method and apparatus for tuning an nmr field coil
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US5461314A (en) * 1993-10-21 1995-10-24 The Regents Of The University Of California MRI front end apparatus and method of operation
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US6771070B2 (en) * 2001-03-30 2004-08-03 Johns Hopkins University Apparatus for magnetic resonance imaging having a planar strip array antenna including systems and methods related thereto
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US7088104B2 (en) * 2001-12-31 2006-08-08 The John Hopkins University MRI tunable antenna and system
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US6853193B2 (en) * 2002-05-10 2005-02-08 Mayo Foundation For Medical Education And Research Simultaneous MR data acquisition with multiple mutually desensitized RF coils
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Also Published As

Publication number Publication date
FI853151A0 (fi) 1985-08-16
US4638253A (en) 1987-01-20
KR890000411B1 (ko) 1989-03-16
EP0180121A3 (en) 1986-10-22
KR860003509A (ko) 1986-05-26
CN85106858A (zh) 1986-07-23
JPS61113308A (ja) 1986-05-31
IL76252A (en) 1989-07-31
EP0180121B1 (de) 1990-02-28
EP0180121A2 (de) 1986-05-07
IL76252A0 (en) 1986-01-31
FI853151L (fi) 1986-04-30
JP2602494B2 (ja) 1997-04-23
CN1005932B (zh) 1989-11-29

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