JPH0320053B2 - - Google Patents
Info
- Publication number
- JPH0320053B2 JPH0320053B2 JP61099938A JP9993886A JPH0320053B2 JP H0320053 B2 JPH0320053 B2 JP H0320053B2 JP 61099938 A JP61099938 A JP 61099938A JP 9993886 A JP9993886 A JP 9993886A JP H0320053 B2 JPH0320053 B2 JP H0320053B2
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- magnetic
- magnetic field
- yoke
- air gap
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000004907 flux Effects 0.000 description 16
- 239000000463 material Substances 0.000 description 5
- 230000005415 magnetization Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61099938A JPS62256416A (ja) | 1986-04-30 | 1986-04-30 | 磁界発生装置 |
| US06/909,327 US4679022A (en) | 1985-12-27 | 1986-09-19 | Magnetic field generating device for NMR-CT |
| EP86307272A EP0228154B1 (en) | 1985-12-27 | 1986-09-22 | Magnetic field generating device for nmr-ct |
| DE8686307272T DE3676066D1 (de) | 1985-12-27 | 1986-09-22 | Einrichtung zur erzeugung von magnetfeldern fuer die magnetische kernresonanz-tomographie. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61099938A JPS62256416A (ja) | 1986-04-30 | 1986-04-30 | 磁界発生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62256416A JPS62256416A (ja) | 1987-11-09 |
| JPH0320053B2 true JPH0320053B2 (US20050192411A1-20050901-C00001.png) | 1991-03-18 |
Family
ID=14260656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61099938A Granted JPS62256416A (ja) | 1985-12-27 | 1986-04-30 | 磁界発生装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62256416A (US20050192411A1-20050901-C00001.png) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2953659B1 (ja) | 1998-08-06 | 1999-09-27 | 住友特殊金属株式会社 | Ｍｒｉ用磁界発生装置およびその組立方法並びにそれに用いる磁石ユニットの組立方法 |
| JP4813645B2 (ja) * | 1999-11-16 | 2011-11-09 | 日立金属株式会社 | 磁極ユニット、その組立方法および磁界発生装置 |
| JP4617596B2 (ja) * | 2001-04-24 | 2011-01-26 | 日立金属株式会社 | Ｍｒｉ用磁界発生装置およびそれを用いたｍｒｉ装置 |
| JP2004349276A (ja) * | 2003-04-25 | 2004-12-09 | Japan Science & Technology Agency | 超電導永久磁石装置 |
| JP5224275B2 (ja) * | 2008-03-28 | 2013-07-03 | 日立金属株式会社 | Ｐｅｔ／ｍｒｉ一体型装置 |
| RU2014135402A (ru) * | 2012-01-30 | 2016-03-27 | Мицубиси Электрик Корпорейшн | Магнитная цепь |
-
1986
- 1986-04-30 JP JP61099938A patent/JPS62256416A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62256416A (ja) | 1987-11-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| EXPY | Cancellation because of completion of term |