JPH037124B2 - - Google Patents

Info

Publication number
JPH037124B2
JPH037124B2 JP59095076A JP9507684A JPH037124B2 JP H037124 B2 JPH037124 B2 JP H037124B2 JP 59095076 A JP59095076 A JP 59095076A JP 9507684 A JP9507684 A JP 9507684A JP H037124 B2 JPH037124 B2 JP H037124B2
Authority
JP
Japan
Prior art keywords
permanent magnet
magnetic field
magnetic
air gap
yoke
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
JP59095076A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60239005A (ja
Inventor
Hiromoto Hayashi
Hideya Sakurai
Yoichi Oonishi
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.)
Proterial Ltd
Original Assignee
Sumitomo Special Metals Co Ltd
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 Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Priority to JP59095076A priority Critical patent/JPS60239005A/ja
Priority to DE8585302389T priority patent/DE3566185D1/de
Priority to EP85302389A priority patent/EP0161782B1/en
Priority to US06/719,820 priority patent/US4672346A/en
Publication of JPS60239005A publication Critical patent/JPS60239005A/ja
Publication of JPH037124B2 publication Critical patent/JPH037124B2/ja
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/383Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/02Permanent magnets [PM]
    • H01F7/0273Magnetic circuits with PM for magnetic field generation
    • H01F7/0278Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Electromagnetism (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP59095076A 1984-04-11 1984-05-11 磁界発生装置 Granted JPS60239005A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP59095076A JPS60239005A (ja) 1984-05-11 1984-05-11 磁界発生装置
DE8585302389T DE3566185D1 (en) 1984-04-11 1985-04-04 Magnetic field generating device for nmr-ct
EP85302389A EP0161782B1 (en) 1984-04-11 1985-04-04 Magnetic field generating device for nmr-ct
US06/719,820 US4672346A (en) 1984-04-11 1985-04-04 Magnetic field generating device for NMR-CT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59095076A JPS60239005A (ja) 1984-05-11 1984-05-11 磁界発生装置

Publications (2)

Publication Number Publication Date
JPS60239005A JPS60239005A (ja) 1985-11-27
JPH037124B2 true JPH037124B2 (US06826419-20041130-M00005.png) 1991-01-31

Family

ID=14127874

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59095076A Granted JPS60239005A (ja) 1984-04-11 1984-05-11 磁界発生装置

Country Status (1)

Country Link
JP (1) JPS60239005A (US06826419-20041130-M00005.png)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2533758Y2 (ja) * 1989-12-13 1997-04-23 信越化学工業 株式会社 磁場発生装置
US6859123B2 (en) * 2003-04-03 2005-02-22 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for positioning permanent magnetic blocks
CN100504432C (zh) * 2003-05-23 2009-06-24 西门子(中国)有限公司 磁共振设备中的静磁场调节方法及其静磁场发生装置
US7148689B2 (en) * 2003-09-29 2006-12-12 General Electric Company Permanent magnet assembly with movable permanent body for main magnetic field adjustable
US6809619B1 (en) * 2003-10-16 2004-10-26 G.E. Medical Systems Global Technology Co., Llc System and method for adjusting magnetic center field for permanent MRI magnetic field generator
CN100434038C (zh) * 2004-03-05 2008-11-19 西门子(中国)有限公司 磁共振成像设备磁场的调节装置
EP2401961B1 (en) 2009-02-27 2020-11-18 Hitachi Metals, Ltd. Magnetic field generator

Also Published As

Publication number Publication date
JPS60239005A (ja) 1985-11-27

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term