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FI831817L - Spolapparatur foer aostadkommande av homogent magnetfaelt. - Google Patents

Spolapparatur foer aostadkommande av homogent magnetfaelt.

Info

Publication number
FI831817L
FI831817L FI831817A FI831817A FI831817L FI 831817 L FI831817 L FI 831817L FI 831817 A FI831817 A FI 831817A FI 831817 A FI831817 A FI 831817A FI 831817 L FI831817 L FI 831817L
Authority
FI
Finland
Prior art keywords
spolapparatur
magnetfaelt
homogent
foer aostadkommande
aostadkommande
Prior art date
Application number
FI831817A
Other languages
English (en)
Other versions
FI70752C (fi
FI70752B (fi
FI831817A0 (fi
Inventor
Matti Savelainen
Original Assignee
Instrumentarium Oy
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 Instrumentarium Oy filed Critical Instrumentarium Oy
Priority to FI831817A priority Critical patent/FI70752C/fi
Publication of FI831817A0 publication Critical patent/FI831817A0/fi
Priority to US06/609,635 priority patent/US4644281A/en
Publication of FI831817L publication Critical patent/FI831817L/fi
Application granted granted Critical
Publication of FI70752B publication Critical patent/FI70752B/fi
Publication of FI70752C publication Critical patent/FI70752C/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Electromagnets (AREA)
FI831817A 1983-05-20 1983-05-20 Spolsystem foer aostadkommande av homogent magnetfaelt FI70752C (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI831817A FI70752C (fi) 1983-05-20 1983-05-20 Spolsystem foer aostadkommande av homogent magnetfaelt
US06/609,635 US4644281A (en) 1983-05-20 1984-05-14 Coil arrangement for producing a homogeneous magnetic field

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI831817A FI70752C (fi) 1983-05-20 1983-05-20 Spolsystem foer aostadkommande av homogent magnetfaelt
FI831817 1983-05-20

Publications (4)

Publication Number Publication Date
FI831817A0 FI831817A0 (fi) 1983-05-20
FI831817L true FI831817L (fi) 1984-11-21
FI70752B FI70752B (fi) 1986-06-26
FI70752C FI70752C (fi) 1986-10-06

Family

ID=8517251

Family Applications (1)

Application Number Title Priority Date Filing Date
FI831817A FI70752C (fi) 1983-05-20 1983-05-20 Spolsystem foer aostadkommande av homogent magnetfaelt

Country Status (2)

Country Link
US (1) US4644281A (fi)
FI (1) FI70752C (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6180808A (ja) * 1984-09-27 1986-04-24 Yokogawa Hokushin Electric Corp 静磁場発生用コイル
JPS62264606A (ja) * 1986-05-07 1987-11-17 Toshiba Corp 磁場補正用コイル装置
FR2602869B1 (fr) * 1986-08-14 1989-03-31 Thomson Cgr Procede d'application des impulsions de gradient dans une experimentation d'imagerie au moyen d'une machine de resonance magnetique nucleaire
FI80795C (fi) * 1988-07-01 1990-07-10 Instrumentarium Oy Foerfarande och anordning foer undersoekning av aemnens egenskaper.
US4920316A (en) * 1989-03-30 1990-04-24 Siemens Medical Systems, Inc. Method and apparatus for reducing base field shifts in a magnetic resonance device due to pulsed magnetic field gradients
CA2336191C (en) * 1998-06-17 2008-12-16 Medi-Physics, Inc. Hyperpolarized gas transport devices and associated transport method
CN101341418A (zh) * 2005-12-20 2009-01-07 皇家飞利浦电子股份有限公司 具有纵向磁场梯度系统的磁共振扫描仪

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI373874A7 (fi) * 1974-12-20 1976-06-21 Nils Allan Danielsson
DE2840178A1 (de) * 1978-09-15 1980-03-27 Philips Patentverwaltung Magnetspulenanordnung zur erzeugung von linearen magnetischen gradientenfeldern
DE2849355A1 (de) * 1978-11-14 1980-05-29 Philips Patentverwaltung Magnetspulenanordnung zur erzeugung eines homogenen magnetfeldes fuer magnetresonanz-anordnungen

Also Published As

Publication number Publication date
US4644281A (en) 1987-02-17
FI70752C (fi) 1986-10-06
FI70752B (fi) 1986-06-26
FI831817A0 (fi) 1983-05-20

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: INSTRUMENTARIUM OY