JPH02108308U - - Google Patents
Info
- Publication number
- JPH02108308U JPH02108308U JP1677089U JP1677089U JPH02108308U JP H02108308 U JPH02108308 U JP H02108308U JP 1677089 U JP1677089 U JP 1677089U JP 1677089 U JP1677089 U JP 1677089U JP H02108308 U JPH02108308 U JP H02108308U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- generating device
- ring magnet
- field generating
- dipole
- 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.)
- Pending
Links
- 239000000696 magnetic material Substances 0.000 claims 2
- 230000005415 magnetization Effects 0.000 claims 1
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
Description
第１図は本考案に係る実施例の正面図、第２図
は他の実施例の正面図、第３は本考案の応用例を
示すための装置の斜視図、第４図は従来例を説明
するための装置の正面図である。
図中、１００は双極子リング磁石、１０ａ〜１
０ｈは夫々永久磁石、１２は永久磁石支持手段で
ある。
Fig. 1 is a front view of an embodiment according to the present invention, Fig. 2 is a front view of another embodiment, Fig. 3 is a perspective view of an apparatus for showing an application example of the invention, and Fig. 4 is a conventional example. It is a front view of an apparatus for explanation. In the figure, 100 is a dipole ring magnet, 10a to 1
0h is a permanent magnet, and 12 is a permanent magnet supporting means.
補正 平１．５．１
考案の名称を次のように補正する。
考案の名称 永久磁石を用いた磁場発生装置
図面の簡単な説明を次のように補正する。
明細書第６頁第１０行、「第３」の後に「図」
を挿入する。Amendment 1.5.1 The name of the invention is amended as follows. Name of the invention: Magnetic field generator using permanent magnets The brief description of the drawing has been amended as follows. Page 6, line 10 of the specification, “Figure” after “3rd”
Insert.
Claims (1)
になるように環状に配置した磁界発生装置におい
て、 上記複数の異方性永久磁石の内、上記双極子リ
ング磁石内に形成される均一磁場の磁界方向に平
行の磁化方向を有する異方性永久磁石の中心部を
上記双極子リング磁石の中心軸に平行に除去した
ことを特徴とする磁界発生装置。 (2) 上記除去部分に磁性体を配置した実用新案
登録請求の範囲第１項記載の磁界発生装置。 (3) 複数の異方性永久磁石を双極子リング磁石
になるように環状に配置した磁界発生装置におい
て、 上記双極子リング磁石の中心軸を通り且つ上記
双極子リング磁石内に形成される均一磁場の磁界
方向に直角の平面内であつて上記双極子リング磁
石の中心軸に平行な直線を中心として上記永久磁
石の環状部分に空隙を設けたことを特徴とする磁
界発生装置。 (4) 上記空隙部分に磁性体を配置した実用新案
登録請求の範囲第３項記載の磁界発生装置。[Claims for Utility Model Registration] (1) In a magnetic field generating device in which a plurality of anisotropic permanent magnets are arranged in a ring shape to form a dipole ring magnet, among the plurality of anisotropic permanent magnets, the dipole A magnetic field generating device characterized in that a central portion of an anisotropic permanent magnet having a magnetization direction parallel to the magnetic field direction of a uniform magnetic field formed within the ring magnet is removed parallel to the central axis of the dipole ring magnet. (2) The magnetic field generating device according to claim 1, wherein a magnetic material is disposed in the removed portion. (3) In a magnetic field generating device in which a plurality of anisotropic permanent magnets are arranged in a ring shape to form a dipole ring magnet, a uniform field that passes through the central axis of the dipole ring magnet and is formed within the dipole ring magnet. A magnetic field generating device characterized in that an air gap is provided in the annular portion of the permanent magnet centered on a straight line that is within a plane perpendicular to the direction of the magnetic field and parallel to the central axis of the dipole ring magnet. (4) The magnetic field generating device according to claim 3, wherein a magnetic material is arranged in the gap portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1677089U JPH02108308U (en) | 1989-02-15 | 1989-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1677089U JPH02108308U (en) | 1989-02-15 | 1989-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02108308U true JPH02108308U (en) | 1990-08-29 |
Family
ID=31229985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1677089U Pending JPH02108308U (en) | 1989-02-15 | 1989-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02108308U (en) |
-
1989
- 1989-02-15 JP JP1677089U patent/JPH02108308U/ja active Pending
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