JPH0816695B2 - 磁場補正装置 - Google Patents

磁場補正装置

Info

Publication number
JPH0816695B2
JPH0816695B2 JP2302782A JP30278290A JPH0816695B2 JP H0816695 B2 JPH0816695 B2 JP H0816695B2 JP 2302782 A JP2302782 A JP 2302782A JP 30278290 A JP30278290 A JP 30278290A JP H0816695 B2 JPH0816695 B2 JP H0816695B2
Authority
JP
Japan
Prior art keywords
magnetic
magnetic field
magnetic body
correction device
sectional area
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 - Lifetime
Application number
JP2302782A
Other languages
English (en)
Japanese (ja)
Other versions
JPH04177187A (ja
Inventor
友二 島田
達也 尾上
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2302782A priority Critical patent/JPH0816695B2/ja
Priority to DE19914136834 priority patent/DE4136834C2/de
Priority to GB9123941A priority patent/GB2252168B/en
Publication of JPH04177187A publication Critical patent/JPH04177187A/ja
Priority to US08/054,827 priority patent/US5343183A/en
Publication of JPH0816695B2 publication Critical patent/JPH0816695B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3873—Compensation of inhomogeneities using ferromagnetic bodies ; Passive shimming

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Measuring Magnetic Variables (AREA)
JP2302782A 1990-11-09 1990-11-09 磁場補正装置 Expired - Lifetime JPH0816695B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2302782A JPH0816695B2 (ja) 1990-11-09 1990-11-09 磁場補正装置
DE19914136834 DE4136834C2 (de) 1990-11-09 1991-11-08 Magnetfeld-Korrekturvorrichtung
GB9123941A GB2252168B (en) 1990-11-09 1991-11-11 Magnetic field correction device
US08/054,827 US5343183A (en) 1990-11-09 1993-04-30 Magnetic field correction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2302782A JPH0816695B2 (ja) 1990-11-09 1990-11-09 磁場補正装置

Publications (2)

Publication Number Publication Date
JPH04177187A JPH04177187A (ja) 1992-06-24
JPH0816695B2 true JPH0816695B2 (ja) 1996-02-21

Family

ID=17913056

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2302782A Expired - Lifetime JPH0816695B2 (ja) 1990-11-09 1990-11-09 磁場補正装置

Country Status (3)

Country Link
JP (1) JPH0816695B2 (de)
DE (1) DE4136834C2 (de)
GB (1) GB2252168B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05329128A (ja) * 1992-05-29 1993-12-14 Mitsubishi Electric Corp 磁場補正装置
US5418462A (en) * 1994-05-02 1995-05-23 Applied Superconetics, Inc. Method for determining shim placement on tubular magnet
JP3618910B2 (ja) * 1996-07-10 2005-02-09 三菱電機株式会社 電磁石装置の磁界補正方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4698611A (en) * 1986-12-03 1987-10-06 General Electric Company Passive shimming assembly for MR magnet
FR2609206B1 (fr) * 1986-12-30 1992-02-14 Thomson Cgr Dispositif correcteur par elements magnetiques d'inhomogeneites du champ magnetique dans un aimant
EP0345300A1 (de) * 1987-04-15 1989-12-13 Oxford Medical Limited Vorrichtung zur erzeugung eines magnetfeldes
US4803433A (en) * 1987-12-21 1989-02-07 Montefiore Hospital Association Of Western Pennsylvania, Inc. Method and apparatus for shimming tubular supermagnets
JPH0339676A (ja) * 1989-07-07 1991-02-20 Mitsubishi Electric Corp 磁場補正装置

Also Published As

Publication number Publication date
GB2252168A (en) 1992-07-29
JPH04177187A (ja) 1992-06-24
GB2252168B (en) 1994-08-24
GB9123941D0 (en) 1992-01-02
DE4136834C2 (de) 1999-06-02
DE4136834A1 (de) 1992-05-14

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