FI844001A0 - Ydinmagneettiseen resonanssiin perustuva laite - Google Patents

Ydinmagneettiseen resonanssiin perustuva laite

Info

Publication number
FI844001A0
FI844001A0 FI844001A FI844001A FI844001A0 FI 844001 A0 FI844001 A0 FI 844001A0 FI 844001 A FI844001 A FI 844001A FI 844001 A FI844001 A FI 844001A FI 844001 A0 FI844001 A0 FI 844001A0
Authority
FI
Finland
Prior art keywords
magnetic resonance
device based
nuclear magnetic
nuclear
resonance
Prior art date
Application number
FI844001A
Other languages
English (en)
Swedish (sv)
Other versions
FI92256C (fi
FI92256B (fi
FI844001L (fi
Inventor
Johannes Rudolphus Van Geuns
Original Assignee
Koninkl Philips Electronics Nv
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19842557&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI844001(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of FI844001A0 publication Critical patent/FI844001A0/fi
Publication of FI844001L publication Critical patent/FI844001L/fi
Application granted granted Critical
Publication of FI92256B publication Critical patent/FI92256B/fi
Publication of FI92256C publication Critical patent/FI92256C/fi

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
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
    • 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
    • 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
    • G01R33/421—Screening of main or gradient magnetic field
FI844001A 1983-10-14 1984-10-11 Ydinmagneettiseen resonanssiin perustuva laite FI92256C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8303533A NL8303533A (nl) 1983-10-14 1983-10-14 Kernspinresonantie apparaat.
NL8303533 1983-10-14

Publications (4)

Publication Number Publication Date
FI844001A0 true FI844001A0 (fi) 1984-10-11
FI844001L FI844001L (fi) 1985-04-15
FI92256B FI92256B (fi) 1994-06-30
FI92256C FI92256C (fi) 1994-10-10

Family

ID=19842557

Family Applications (1)

Application Number Title Priority Date Filing Date
FI844001A FI92256C (fi) 1983-10-14 1984-10-11 Ydinmagneettiseen resonanssiin perustuva laite

Country Status (7)

Country Link
EP (1) EP0138270B1 (fi)
JP (1) JPS6098344A (fi)
CA (1) CA1253916A (fi)
DE (1) DE3471526D1 (fi)
FI (1) FI92256C (fi)
IL (1) IL73233A (fi)
NL (1) NL8303533A (fi)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4587504A (en) * 1983-11-11 1986-05-06 Oxford Magnet Technology Limited Magnet assembly for use in NMR apparatus
GB8330198D0 (en) * 1983-11-11 1983-12-21 Oxford Magnet Tech Magnet assembly
USRE36782E (en) * 1983-11-11 2000-07-18 Oxford Medical Limited Magnet assembly for use in NMR apparatus
JPS60217608A (ja) * 1984-04-12 1985-10-31 Fuji Electric Corp Res & Dev Ltd 均一磁場コイル
AU579530B2 (en) * 1984-07-06 1988-11-24 Board Of Trustees Of The Leland Stanford Junior University Magnetic structure for NMR applications and the like
GB2162641B (en) * 1984-07-11 1989-05-17 Magnex Scient Limited Nuclear magnetic resonance
EP0216590B2 (en) * 1985-09-20 2001-06-06 Btg International Limited Magnetic field screens
GB8615854D0 (en) * 1986-06-28 1986-08-06 Turner R Magnetic field coils
DE3628161A1 (de) * 1986-08-20 1988-02-25 Spectrospin Ag Vorrichtung zum kompensieren von zeitvarianten feldstoerungen in magnetfeldern
JPS6350003A (ja) * 1986-08-20 1988-03-02 Toshiba Corp 磁気共鳴イメ−ジング装置用磁石装置
JPS6458247A (en) * 1987-08-29 1989-03-06 Fuji Electric Co Ltd Uniform magnetic field coil
DE3730148A1 (de) * 1987-09-09 1989-03-30 Bruker Medizintech Verfahren zum erzeugen von spin-echo-impulsfolgen mit einem kernspin-tomographen und zur durchfuehrung des verfahrens ausgebildeter kernspin-tomograph
JP2643384B2 (ja) * 1988-02-03 1997-08-20 富士電機株式会社 超電導マグネット
NL8801162A (nl) * 1988-05-04 1989-12-01 Philips Nv Supergeleidend magneetstelsel met supergeleidende cylinders.
US5136273A (en) * 1988-10-17 1992-08-04 Kabushiki Kaisha Toshiba Magnet apparatus for use in a magnetic resonance imaging system
DE3900725A1 (de) * 1989-01-12 1990-07-19 Bruker Analytische Messtechnik Supraleitende magnetanordnung
IL90050A (en) * 1989-04-23 1992-07-15 Elscint Ltd Integrated active shielded magnet system
DE3914243A1 (de) * 1989-04-29 1990-10-31 Bruker Analytische Messtechnik Magnetsystem mit supraleitenden feldspulen
GB8912601D0 (en) * 1989-06-01 1989-07-19 Oxford Magnet Tech Magnetic field generating apparatus
JP2726499B2 (ja) * 1989-07-06 1998-03-11 古河電気工業株式会社 超電導利用機器
NL9002621A (nl) * 1990-11-30 1992-06-16 Koninkl Philips Electronics Nv Magnetisch resonantie apparaat met afschermende magneet.
EP0535735A1 (en) * 1991-10-03 1993-04-07 Koninklijke Philips Electronics N.V. Magnetic resonance apparatus comprising a shielded magnet
JPH0669027A (ja) * 1991-10-24 1994-03-11 Hitachi Ltd 磁場発生装置
US5382904A (en) * 1992-04-15 1995-01-17 Houston Advanced Research Center Structured coil electromagnets for magnetic resonance imaging and method for fabricating the same
US5426366A (en) * 1992-12-11 1995-06-20 U.S. Philips Corporation Magnetic resonance apparatus comprising a superconducting magnet
DE10041677C2 (de) * 2000-08-24 2002-07-11 Bruker Ag Faellanden Zusätzliche Strompfade zur Optimierung des Störverhaltens einer supraleitenden Magnetanordnung und Verfahren zu deren Dimensionierung
DE10060284C2 (de) * 2000-12-05 2003-07-17 Bruker Biospin Ag Faellanden Magnetanordnung mit einem aktiv abgeschirmten supraleitenden Magnetspulensytem und einem zusätzlichen Strompfad zur Streufeldunterdrückung im Quenchfall

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3495162A (en) * 1967-05-19 1970-02-10 Varian Associates Pulsed gyromagnetic resonance spectrometer employing an internal control sample and automatic homogeneity control
GB1285694A (en) * 1968-09-10 1972-08-16 Perkin Elmer Ltd Flux stabilized magnets
US3564398A (en) * 1969-07-18 1971-02-16 Varian Associates Magnetic field homogenizing coil sets having spatial independence and spectrometer means using same
JPS5290293A (en) * 1976-01-22 1977-07-29 Fuji Electric Co Ltd Super conduction energy storing unit
DE2951018A1 (de) * 1979-12-19 1982-02-11 Wilfried H. Dr. 5483 Bad Neuenahr Bergmann Verfahren und vorrichtung zur verbesserung der empfindlichkeit und des signal-rausch-verhaeltnisses von spin-echo-messungen an proben, die bei ihrer eigentemperatur vermessen werden muessen und die elektrische leitfaehigkeit besitzen

Also Published As

Publication number Publication date
IL73233A (en) 1988-11-30
EP0138270A2 (en) 1985-04-24
FI92256C (fi) 1994-10-10
JPH0353584B2 (fi) 1991-08-15
FI92256B (fi) 1994-06-30
EP0138270B1 (en) 1988-05-25
EP0138270A3 (en) 1985-06-12
JPS6098344A (ja) 1985-06-01
IL73233A0 (en) 1985-01-31
CA1253916A (en) 1989-05-09
FI844001L (fi) 1985-04-15
DE3471526D1 (en) 1988-06-30
NL8303533A (nl) 1985-05-01

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Legal Events

Date Code Title Description
BB Publication of examined application
TC Name/ company changed in patent

Owner name: PHILIPS ELECTRONICS N.V.

MM Patent lapsed
MM Patent lapsed

Owner name: PHILIPS ELECTRONICS N.V.