JPH0381614U - - Google Patents
Info
- Publication number
- JPH0381614U JPH0381614U JP14288289U JP14288289U JPH0381614U JP H0381614 U JPH0381614 U JP H0381614U JP 14288289 U JP14288289 U JP 14288289U JP 14288289 U JP14288289 U JP 14288289U JP H0381614 U JPH0381614 U JP H0381614U
- Authority
- JP
- Japan
- Prior art keywords
- annular protrusion
- magnetic field
- pair
- permanent magnets
- piece provided
- 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
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
Description
第１図は本考案が応用される従来の磁場発生装
置の概略側面図、第２図及び第３図は夫々本考案
の実施例を示す部分断面図である。
図中、１０，１２……継鉄、１４，１６……永
久磁石、１８，２０……磁極片、２２，２４……
磁極片の一部を構成する環状突起、３０，３２…
…磁界調整片を示す。
FIG. 1 is a schematic side view of a conventional magnetic field generator to which the present invention is applied, and FIGS. 2 and 3 are partial sectional views showing embodiments of the present invention, respectively. In the figure, 10, 12... Yoke, 14, 16... Permanent magnet, 18, 20... Magnetic pole piece, 22, 24...
Annular protrusions 30, 32, which constitute a part of the magnetic pole piece.
...Indicates a magnetic field adjustment piece.
Claims (1)
置された１対の円板状或いはリング状の永久磁石
と、 該１対の永久磁石の対向面の夫々に設けられ環
状突起を有する磁極片と、 上記環状突起の１叉は複数の箇所に位置調整可
能に設けた磁場調整片と、 を備えたことを特徴とする磁場発生装置。[Claims for Utility Model Registration] A pair of disk-shaped or ring-shaped permanent magnets magnetized in the thickness direction and arranged to face each other on the inner surface of a yoke frame, and each of the opposing surfaces of the pair of permanent magnets. A magnetic field generating device comprising: a magnetic pole piece provided on the annular protrusion and having an annular protrusion; and a magnetic field adjusting piece provided on one or more positions of the annular protrusion so as to be adjustable in position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14288289U JPH0381614U (en) | 1989-12-11 | 1989-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14288289U JPH0381614U (en) | 1989-12-11 | 1989-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0381614U true JPH0381614U (en) | 1991-08-21 |
Family
ID=31689690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14288289U Pending JPH0381614U (en) | 1989-12-11 | 1989-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0381614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007503959A (en) * | 2003-05-23 | 2007-03-01 | シーメンス アクチエンゲゼルシヤフト | Magnet apparatus for magnetic resonance imaging having an axially adjustable rose shim ring |
-
1989
- 1989-12-11 JP JP14288289U patent/JPH0381614U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007503959A (en) * | 2003-05-23 | 2007-03-01 | シーメンス アクチエンゲゼルシヤフト | Magnet apparatus for magnetic resonance imaging having an axially adjustable rose shim ring |