JPH0394732A - Ｍｒｉ用磁界発生装置 - Google Patents
Ｍｒｉ用磁界発生装置Info
- Publication number
- JPH0394732A JPH0394732A JP1233128A JP23312889A JPH0394732A JP H0394732 A JPH0394732 A JP H0394732A JP 1233128 A JP1233128 A JP 1233128A JP 23312889 A JP23312889 A JP 23312889A JP H0394732 A JPH0394732 A JP H0394732A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic field
- gap
- gaps
- prismatic
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000000945 filler Substances 0.000 claims abstract description 6
- 239000000696 magnetic material Substances 0.000 claims description 18
- 239000012779 reinforcing material Substances 0.000 abstract description 6
- 239000003822 epoxy resin Substances 0.000 abstract description 4
- 229920000647 polyepoxide Polymers 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000003754 machining Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003325 tomography Methods 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1233128A JPH0394732A (ja) | 1989-09-08 | 1989-09-08 | Ｍｒｉ用磁界発生装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1233128A JPH0394732A (ja) | 1989-09-08 | 1989-09-08 | Ｍｒｉ用磁界発生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0394732A true JPH0394732A (ja) | 1991-04-19 |
| JPH0563085B2 JPH0563085B2 (en, 2012) | 1993-09-09 |
Family
ID=16950185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1233128A Granted JPH0394732A (ja) | 1989-09-08 | 1989-09-08 | Ｍｒｉ用磁界発生装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0394732A (en, 2012) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003075757A1 (fr) * | 2002-03-14 | 2003-09-18 | Hitachi, Ltd. | Dispositif a aimant et imagerie par resonance magnetique utilisant ledit dispositif |
| JP2004305744A (ja) * | 2003-04-04 | 2004-11-04 | Ge Medical Systems Global Technology Co Llc | Ｍｒｉ用磁場生成器の中心磁場を調節するための方法及び装置 |
| JP2005103266A (ja) * | 2003-09-29 | 2005-04-21 | General Electric Co <Ge> | 主磁場調整のための移動可能永久磁石本体を備えた永久磁石アセンブリ |
| JP4783362B2 (ja) * | 2004-05-07 | 2011-09-28 | エサオテ ソチエタ ペル アチオニ | Ｍｒｉ装置の磁石構造体およびｍｒｉ装置 |
-
1989
- 1989-09-08 JP JP1233128A patent/JPH0394732A/ja active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003075757A1 (fr) * | 2002-03-14 | 2003-09-18 | Hitachi, Ltd. | Dispositif a aimant et imagerie par resonance magnetique utilisant ledit dispositif |
| JP2004305744A (ja) * | 2003-04-04 | 2004-11-04 | Ge Medical Systems Global Technology Co Llc | Ｍｒｉ用磁場生成器の中心磁場を調節するための方法及び装置 |
| JP2005103266A (ja) * | 2003-09-29 | 2005-04-21 | General Electric Co <Ge> | 主磁場調整のための移動可能永久磁石本体を備えた永久磁石アセンブリ |
| JP4783362B2 (ja) * | 2004-05-07 | 2011-09-28 | エサオテ ソチエタ ペル アチオニ | Ｍｒｉ装置の磁石構造体およびｍｒｉ装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0563085B2 (en, 2012) | 1993-09-09 |
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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 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090909 Year of fee payment: 16 |
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| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| EXPY | Cancellation because of completion of term |