JPS6088407A - 永久磁石式磁界発生装置 - Google Patents
永久磁石式磁界発生装置Info
- Publication number
- JPS6088407A JPS6088407A JP58196785A JP19678583A JPS6088407A JP S6088407 A JPS6088407 A JP S6088407A JP 58196785 A JP58196785 A JP 58196785A JP 19678583 A JP19678583 A JP 19678583A JP S6088407 A JPS6088407 A JP S6088407A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- pole pieces
- air gap
- magnetic
- annular projections
- 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
- 238000003745 diagnosis Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000000034 method Methods 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
- -1 Y) atomic% Inorganic materials 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic 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
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004907 flux 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
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0273—Magnetic circuits with PM for magnetic field generation
- H01F7/0278—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles
-
- 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)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58196785A JPS6088407A (ja) | 1983-10-19 | 1983-10-19 | 永久磁石式磁界発生装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58196785A JPS6088407A (ja) | 1983-10-19 | 1983-10-19 | 永久磁石式磁界発生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6088407A true JPS6088407A (ja) | 1985-05-18 |
| JPH0223010B2 JPH0223010B2 (en, 2012) | 1990-05-22 |
Family
ID=16363593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58196785A Granted JPS6088407A (ja) | 1983-10-19 | 1983-10-19 | 永久磁石式磁界発生装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6088407A (en, 2012) |
Cited By (4)
| 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 |
| US4931760A (en) * | 1986-10-08 | 1990-06-05 | Asahi Kasei Kogyo Kabushiki Kaisha | Uniform magnetic field generator |
| EP0479514A1 (en) | 1990-09-29 | 1992-04-08 | Sumitomo Special Metals Co., Ltd. | Magnetic field generating device used for MRI |
| US20180342339A1 (en) * | 2017-05-23 | 2018-11-29 | AOSense, Inc. | Magnetic field generators based on high magnetic permeability materials |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0831635A (ja) | 1994-07-08 | 1996-02-02 | Sumitomo Special Metals Co Ltd | Ｍｒｉ用磁界発生装置 |
-
1983
- 1983-10-19 JP JP58196785A patent/JPS6088407A/ja active Granted
Cited By (5)
| 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 |
| US4931760A (en) * | 1986-10-08 | 1990-06-05 | Asahi Kasei Kogyo Kabushiki Kaisha | Uniform magnetic field generator |
| EP0479514A1 (en) | 1990-09-29 | 1992-04-08 | Sumitomo Special Metals Co., Ltd. | Magnetic field generating device used for MRI |
| US20180342339A1 (en) * | 2017-05-23 | 2018-11-29 | AOSense, Inc. | Magnetic field generators based on high magnetic permeability materials |
| US10446307B2 (en) * | 2017-05-23 | 2019-10-15 | AOSense, Inc. | Magnetic field generators based on high magnetic permeability materials |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0223010B2 (en, 2012) | 1990-05-22 |
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