DE60144206D1 - Verfahren zur Herstellung von Polschuhen von Kernspinresonanztomographiemagneten - Google Patents
Verfahren zur Herstellung von Polschuhen von KernspinresonanztomographiemagnetenInfo
- Publication number
- DE60144206D1 DE60144206D1 DE60144206T DE60144206T DE60144206D1 DE 60144206 D1 DE60144206 D1 DE 60144206D1 DE 60144206 T DE60144206 T DE 60144206T DE 60144206 T DE60144206 T DE 60144206T DE 60144206 D1 DE60144206 D1 DE 60144206D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic resonance
- nuclear magnetic
- magnets
- pole pieces
- resonance tomography
- 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
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
-
- 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
- G01R33/383—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2000SV000023A ITSV20000023A1 (it) | 2000-06-15 | 2000-06-15 | Procedimento per la realizzazione di dispositivi di generazione di campi magnetici nelle macchine per il rilevamento di immagini in risonanz |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60144206D1 true DE60144206D1 (de) | 2011-04-21 |
Family
ID=11457037
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60144206T Expired - Lifetime DE60144206D1 (de) | 2000-06-15 | 2001-05-30 | Verfahren zur Herstellung von Polschuhen von Kernspinresonanztomographiemagneten |
DE60144207T Expired - Lifetime DE60144207D1 (de) | 2000-06-15 | 2001-05-30 | Verfahren zur Herstellung von Polschuhen von Kernspinresonanztomographiemagneten |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60144207T Expired - Lifetime DE60144207D1 (de) | 2000-06-15 | 2001-05-30 | Verfahren zur Herstellung von Polschuhen von Kernspinresonanztomographiemagneten |
Country Status (6)
Country | Link |
---|---|
US (1) | US6586936B2 (de) |
EP (3) | EP2108974B1 (de) |
AT (2) | ATE501445T1 (de) |
DE (2) | DE60144206D1 (de) |
ES (2) | ES2359117T3 (de) |
IT (1) | ITSV20000023A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7132804B2 (en) * | 1997-12-17 | 2006-11-07 | Color Kinetics Incorporated | Data delivery track |
US6686595B2 (en) * | 2002-06-26 | 2004-02-03 | Semequip Inc. | Electron impact ion source |
AU2003258960A1 (en) * | 2002-06-26 | 2004-01-19 | Semequip Inc. | Ion implantation device and method |
ITSV20030011A1 (it) * | 2003-03-31 | 2004-10-01 | Esaote Spa | Struttura magnetica per macchine di acquisiszione di |
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 |
FR2896615A1 (fr) * | 2006-01-20 | 2007-07-27 | Areva T & D Sa | Actionneur magnetique a aimant permanent a volume reduit |
DE102012220126A1 (de) * | 2012-11-05 | 2014-05-08 | Bruker Biospin Ag | Magnetanordnung mit einem supraleitenden Magnetspulensystem und einer magnetischen Feldformvorrichtung für magnetische Resonanzspektroskopie |
EP3053172A1 (de) | 2013-09-30 | 2016-08-10 | Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen | Verfahren für ein gezieltes formen des magnetfelds von permanentmagneten |
US11177680B2 (en) * | 2017-04-04 | 2021-11-16 | Intel Corporation | Field shaper for a wireless power transmitter |
EP3457158A1 (de) * | 2017-09-19 | 2019-03-20 | Koninklijke Philips N.V. | Passive shims für magnetresonanzbildgebung aus ferromagnetischem material |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4827235A (en) | 1986-07-18 | 1989-05-02 | Kabushiki Kaisha Toshiba | Magnetic field generator useful for a magnetic resonance imaging instrument |
JPS63241905A (ja) | 1987-03-27 | 1988-10-07 | Sumitomo Special Metals Co Ltd | 磁界発生装置 |
JPH01104252A (ja) | 1987-10-16 | 1989-04-21 | Sanyo Electric Co Ltd | 磁気共鳴撮像装置 |
GB2215522B (en) | 1988-02-26 | 1990-11-28 | Picker Int Ltd | Magnet arrangements |
JPH0287505A (ja) | 1988-09-22 | 1990-03-28 | Sumitomo Special Metals Co Ltd | Mri用磁界発生装置 |
JPH02184002A (ja) * | 1989-01-10 | 1990-07-18 | Sumitomo Special Metals Co Ltd | Mri用磁界発生装置 |
US5134374A (en) | 1989-06-01 | 1992-07-28 | Applied Superconetics | Magnetic field control apparatus |
US5243286A (en) | 1990-06-06 | 1993-09-07 | Advanced Nmr Systems, Inc. | Split shield for magnetic resonance imaging |
US5283544A (en) * | 1990-09-29 | 1994-02-01 | Sumitomo Special Metals Co., Ltd. | Magnetic field generating device used for MRI |
US5124651A (en) | 1990-10-24 | 1992-06-23 | Fonar Corporation | Nuclear magnetic resonance scanners with composite pole facings |
US5414399A (en) | 1991-12-19 | 1995-05-09 | Applied Superconetics, Inc. | Open access superconducting MRI magnet having an apparatus for reducing magnetic hysteresis in superconducting MRI systems |
US5495171A (en) * | 1993-01-19 | 1996-02-27 | Fonar Corporation | Eddy current control in NMR imaging systems |
FI105293B (fi) * | 1993-06-08 | 2000-07-14 | Picker Nordstar Oy | Magneettikuvaukseen käytettävän magneetin napakenkä |
JP4039495B2 (ja) * | 1998-04-14 | 2008-01-30 | 日立金属株式会社 | Mri用磁界発生装置 |
IT1305960B1 (it) * | 1998-05-11 | 2001-05-21 | Esaote Spa | Struttura di magnete in particolare per macchine per il rilevamentod'immagine in risonanza magnetica nucleare. |
US6150818A (en) * | 1998-08-31 | 2000-11-21 | General Electric Company | Low eddy current and low hysteresis magnet pole faces in MR imaging |
DE19854483B4 (de) * | 1998-11-25 | 2005-02-24 | Siemens Ag | Vorrichtung zur Erzeugung eines Magnetfeldes in einem Luftspalt |
-
2000
- 2000-06-15 IT IT2000SV000023A patent/ITSV20000023A1/it unknown
-
2001
- 2001-05-30 DE DE60144206T patent/DE60144206D1/de not_active Expired - Lifetime
- 2001-05-30 ES ES08172895T patent/ES2359117T3/es not_active Expired - Lifetime
- 2001-05-30 AT AT08172895T patent/ATE501445T1/de not_active IP Right Cessation
- 2001-05-30 DE DE60144207T patent/DE60144207D1/de not_active Expired - Lifetime
- 2001-05-30 EP EP08172895A patent/EP2108974B1/de not_active Expired - Lifetime
- 2001-05-30 EP EP08172893A patent/EP2108973B1/de not_active Expired - Lifetime
- 2001-05-30 EP EP01113160A patent/EP1167989A3/de not_active Ceased
- 2001-05-30 ES ES08172893T patent/ES2359116T3/es not_active Expired - Lifetime
- 2001-05-30 AT AT08172893T patent/ATE501444T1/de not_active IP Right Cessation
- 2001-06-15 US US09/880,902 patent/US6586936B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1167989A2 (de) | 2002-01-02 |
ITSV20000023A1 (it) | 2001-12-15 |
EP2108974B1 (de) | 2011-03-09 |
EP2108973A1 (de) | 2009-10-14 |
EP1167989A3 (de) | 2003-08-13 |
US6586936B2 (en) | 2003-07-01 |
ITSV20000023A0 (it) | 2000-06-15 |
EP2108974A1 (de) | 2009-10-14 |
DE60144207D1 (de) | 2011-04-21 |
ES2359116T3 (es) | 2011-05-18 |
ATE501445T1 (de) | 2011-03-15 |
EP2108973B1 (de) | 2011-03-09 |
ATE501444T1 (de) | 2011-03-15 |
US20020019132A1 (en) | 2002-02-14 |
ES2359117T3 (es) | 2011-05-18 |
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