JPS61174006U - - Google Patents
Info
- Publication number
- JPS61174006U JPS61174006U JP5501685U JP5501685U JPS61174006U JP S61174006 U JPS61174006 U JP S61174006U JP 5501685 U JP5501685 U JP 5501685U JP 5501685 U JP5501685 U JP 5501685U JP S61174006 U JPS61174006 U JP S61174006U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- recording
- layer
- recording medium
- main magnetic
- 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 Heads (AREA)
Description
第１図は本考案の一実施例による垂直磁気記録
用ヘツドを示す斜視図、第２図は上記垂直磁気記
録用ヘツドを示す正面図、第３図ないし第６図は
上記垂直磁気記録用ヘツドの製造工程を説明する
ための図、第７図は従来の補助磁極励磁型の垂直
磁気記録用ヘツドを示す図、第８図は従来の主磁
極励磁型の垂直磁気記録用ヘツドを示す斜視図、
および第９図は上記従来の垂直磁気記録用ヘツド
を示す正面図である。
２０……主磁極、２０ａ……主磁極先端、２１
……コイル、２２……コア、２５……記録媒体、
２５ｂ……裏打ち層、２５ｃ……記録層、２６，
２７……補助磁極、２６ａ，２７ａ……補助磁極
端部。
FIG. 1 is a perspective view of a perpendicular magnetic recording head according to an embodiment of the present invention, FIG. 2 is a front view of the perpendicular magnetic recording head, and FIGS. 3 to 6 are views of the perpendicular magnetic recording head. FIG. 7 is a diagram showing a conventional auxiliary pole excitation type perpendicular magnetic recording head, and FIG. 8 is a perspective view showing a conventional main pole excitation type perpendicular magnetic recording head. ,
and FIG. 9 is a front view showing the conventional perpendicular magnetic recording head. 20... Main magnetic pole, 20a... Main magnetic pole tip, 21
... coil, 22 ... core, 25 ... recording medium,
25b...backing layer, 25c...recording layer, 26,
27...Auxiliary magnetic pole, 26a, 27a...Auxiliary magnetic pole end.
Claims (1)
２０ａが接触して前記記録層２５ｃを垂直磁化す
る主磁極２０と、前記主磁極２０の後端２０ｂに
接続されコイル２１が巻かれたコア２２と、前記
コア２２から延長してその端部２６ａ，２７ａが
前記記録媒体２５に対向し、前記記録媒体２５の
裏打ち層２５ｂと協働して垂直磁気記録磁路Ｌ１
，Ｌ２のリターンパス部を構成する補助磁極２６
，２７とを備えた垂直磁気記録用ヘツドにおいて
、 前記補助磁極２６，２７の端部２６ａ，２７ａ
を前記主磁極２０から遠ざかるにつれて幅広に形
成したことを特徴とする垂直磁気記録用ヘツド。[Claims for Utility Model Registration] A main magnetic pole 20 whose tip 20a contacts a recording layer 25c of a two-layer magnetic recording medium 25 to perpendicularly magnetize the recording layer 25c, and a main magnetic pole 20 connected to a rear end 20b of the main magnetic pole 20. A core 22 around which a coil 21 is wound, end portions 26a and 27a extending from the core 22 facing the recording medium 25, and working together with a backing layer 25b of the recording medium 25 to form a perpendicular magnetic recording magnetic path. L1
, the auxiliary magnetic pole 26 forming the return path section of L2.
, 27, the ends 26a, 27a of the auxiliary magnetic poles 26, 27
2. A perpendicular magnetic recording head, characterized in that the width of the head becomes wider as the distance from the main magnetic pole 20 increases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5501685U JPS61174006U (en) | 1985-04-13 | 1985-04-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5501685U JPS61174006U (en) | 1985-04-13 | 1985-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61174006U true JPS61174006U (en) | 1986-10-29 |
Family
ID=30577294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5501685U Pending JPS61174006U (en) | 1985-04-13 | 1985-04-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61174006U (en) |
-
1985
- 1985-04-13 JP JP5501685U patent/JPS61174006U/ja active Pending