DE3883125D1 - Verfahren zur herstellung eines schilds fuer nmr-magnet. - Google Patents
Verfahren zur herstellung eines schilds fuer nmr-magnet.Info
- Publication number
- DE3883125D1 DE3883125D1 DE8888904761T DE3883125T DE3883125D1 DE 3883125 D1 DE3883125 D1 DE 3883125D1 DE 8888904761 T DE8888904761 T DE 8888904761T DE 3883125 T DE3883125 T DE 3883125T DE 3883125 D1 DE3883125 D1 DE 3883125D1
- Authority
- DE
- Germany
- Prior art keywords
- shield
- producing
- nmr magnet
- nmr
- magnet
- 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
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
- G01R33/42—Screening
- G01R33/421—Screening of main or gradient magnetic 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
- Y10S505/884—Conductor
- Y10S505/885—Cooling, or feeding, circulating, or distributing fluid; in superconductive apparatus
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3333087A | 1987-04-02 | 1987-04-02 | |
US07/097,562 US4771256A (en) | 1987-04-02 | 1987-09-16 | Integral shield for mr magnet |
PCT/US1988/001074 WO1988008200A1 (en) | 1987-04-02 | 1988-03-30 | Integral shield for mr magnet |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3883125D1 true DE3883125D1 (de) | 1993-09-16 |
DE3883125T2 DE3883125T2 (de) | 1994-04-07 |
Family
ID=26709561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE88904761T Expired - Fee Related DE3883125T2 (de) | 1987-04-02 | 1988-03-30 | Verfahren zur Herstellung eines Schilds für NMR-Magnet. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4771256A (de) |
EP (1) | EP0309577B1 (de) |
JP (1) | JPH01501211A (de) |
DE (1) | DE3883125T2 (de) |
WO (1) | WO1988008200A1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL82950A (en) * | 1987-06-22 | 1990-12-23 | Elscint Ltd | Superconducting magnet with separate support system |
US4783628A (en) * | 1987-08-14 | 1988-11-08 | Houston Area Research Center | Unitary superconducting electromagnet |
WO1990003038A1 (en) * | 1988-09-08 | 1990-03-22 | Mitsubishi Denki Kabushiki Kaisha | Superconductive magnet device |
US4879515A (en) * | 1988-12-22 | 1989-11-07 | General Electric Company | Double-sided RF shield for RF coil contained within gradient coils of NMR imaging device |
JPH0334404A (ja) * | 1989-06-30 | 1991-02-14 | Mitsubishi Electric Corp | 極低温冷凍装置 |
JPH03182232A (ja) * | 1989-12-11 | 1991-08-08 | Toshiba Corp | 磁気共鳴イメージング装置 |
US5045826A (en) * | 1990-04-05 | 1991-09-03 | General Electric Company | Actively shielded magnetic resonance magnet without cryogens |
EP0459268B1 (de) * | 1990-05-31 | 1996-10-30 | Siemens Aktiengesellschaft | Aktiv geschirmter Magnet |
JP3147450B2 (ja) * | 1991-12-26 | 2001-03-19 | 株式会社日立製作所 | 超電導磁石並びに磁気浮上輸送体 |
GB2267570B (en) * | 1992-04-16 | 1996-03-06 | Jeremy Andrew Good | Improvements in and relating to super-conducting magnets |
US5367261A (en) * | 1992-07-02 | 1994-11-22 | General Electric Company | Shield for a magnetic resonance imaging coil |
US5650230A (en) * | 1993-01-15 | 1997-07-22 | Wisconsin Alumni Research Foundation | Compressive strut for cryogenic applications |
US5798680A (en) * | 1994-04-15 | 1998-08-25 | New York University | Strapped open magnetic structure |
US5668516A (en) * | 1995-12-29 | 1997-09-16 | General Electric Company | Simplified active shield superconducting magnet assembly for magnetic resonance imaging |
US6157276A (en) * | 1998-08-14 | 2000-12-05 | General Electric Company | MRI magnet assembly with non-conductive inner wall |
JP3939489B2 (ja) * | 2000-08-28 | 2007-07-04 | 株式会社日立メディコ | 磁石装置およびこれを用いた磁気共鳴イメージング装置 |
JP4422711B2 (ja) * | 2006-11-20 | 2010-02-24 | 株式会社日立製作所 | 超電導磁石装置および磁気共鳴撮像装置 |
CN102148083B (zh) * | 2010-02-09 | 2013-04-03 | 通用电气公司 | 超导磁体 |
GB2480636B (en) | 2010-05-26 | 2012-12-05 | Siemens Plc | A method for the production of solenoidal magnets made up of several axially aligned coils |
US20130180693A1 (en) * | 2012-01-18 | 2013-07-18 | Halliburton Energy Services, Inc. | Heat Containment Apparatus |
US10124445B2 (en) | 2012-01-18 | 2018-11-13 | Halliburton Energy Services, Inc. | Heat containment apparatus |
GB2545436B (en) * | 2015-12-15 | 2018-04-11 | Siemens Healthcare Ltd | A cylindrical superconducting magnet with a shield of ferromagnetic material |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3123493A1 (de) * | 1981-06-13 | 1982-12-30 | Bruker Analytische Meßtechnik GmbH, 7512 Rheinstetten | Elektromagnet fuer die nmr-tomographie |
DE3245945A1 (de) * | 1982-12-11 | 1984-06-14 | Bruker Analytische Meßtechnik GmbH, 7512 Rheinstetten | Elektromagnet fuer die nmr-tomographie |
US4587504A (en) * | 1983-11-11 | 1986-05-06 | Oxford Magnet Technology Limited | Magnet assembly for use in NMR apparatus |
US4694269A (en) * | 1984-08-08 | 1987-09-15 | Ga Technologies Inc. | Magnet system and method of its manufacture |
JPS61159714A (ja) * | 1985-01-07 | 1986-07-19 | Mitsubishi Electric Corp | 超電導マグネツト |
JPS61176199A (ja) * | 1985-01-31 | 1986-08-07 | 株式会社東芝 | Mri装置 |
US4646045A (en) * | 1985-03-25 | 1987-02-24 | General Electric Company | Aperture sized disc shaped end caps of a ferromagnetic shield for magnetic resonance magnets |
US4660013A (en) * | 1985-09-23 | 1987-04-21 | General Electric Company | Compact whole body resistive magnetic resonance imaging magnet |
-
1987
- 1987-09-16 US US07/097,562 patent/US4771256A/en not_active Expired - Lifetime
-
1988
- 1988-03-30 JP JP63504224A patent/JPH01501211A/ja active Granted
- 1988-03-30 EP EP88904761A patent/EP0309577B1/de not_active Expired - Lifetime
- 1988-03-30 WO PCT/US1988/001074 patent/WO1988008200A1/en active IP Right Grant
- 1988-03-30 DE DE88904761T patent/DE3883125T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH01501211A (ja) | 1989-04-27 |
EP0309577B1 (de) | 1993-08-11 |
WO1988008200A1 (en) | 1988-10-20 |
JPH0417652B2 (de) | 1992-03-26 |
US4771256A (en) | 1988-09-13 |
EP0309577A1 (de) | 1989-04-05 |
DE3883125T2 (de) | 1994-04-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |