JPS6286647U - - Google Patents
Info
- Publication number
- JPS6286647U JPS6286647U JP17921085U JP17921085U JPS6286647U JP S6286647 U JPS6286647 U JP S6286647U JP 17921085 U JP17921085 U JP 17921085U JP 17921085 U JP17921085 U JP 17921085U JP S6286647 U JPS6286647 U JP S6286647U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- permanent magnet
- end faces
- focus
- coil
- 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
- 229910000828 alnico Inorganic materials 0.000 claims 1
- 239000003302 ferromagnetic material Substances 0.000 claims 1
- 230000005291 magnetic effect Effects 0.000 claims 1
Description
第１図および第２図は各々本考案の実施例およ
び従来構造のフオーカスマグネツトを示す縦断面
図である。
１：永久磁石、２：ヨーク、３：コイル。
FIGS. 1 and 2 are longitudinal sectional views showing a focus magnet of an embodiment of the present invention and a conventional structure, respectively. 1: Permanent magnet, 2: Yoke, 3: Coil.
Claims (1)
両端面に強磁性材料からなり中空に形成したヨー
クを固着し、永久磁石の外周にコイルを設けたこ
とを特徴とするフオーカスマグネツト。 (2) 永久磁石がアルニコ磁石である実用新案登
録請求の範囲第１項記載のフオーカスマグネツト
。[Scope of Claim for Utility Model Registration] (1) A hollow cylindrical permanent magnet with magnetic poles on its end faces has a hollow yoke made of ferromagnetic material fixed to both end faces, and a coil is provided around the outer periphery of the permanent magnet. A focus magnet featuring (2) The focus magnet according to claim 1, wherein the permanent magnet is an alnico magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17921085U JPS6286647U (en) | 1985-11-21 | 1985-11-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17921085U JPS6286647U (en) | 1985-11-21 | 1985-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6286647U true JPS6286647U (en) | 1987-06-02 |
Family
ID=31122068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17921085U Pending JPS6286647U (en) | 1985-11-21 | 1985-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6286647U (en) |
-
1985
- 1985-11-21 JP JP17921085U patent/JPS6286647U/ja active Pending