JPS57179924A - Magnetic head - Google Patents
Magnetic headInfo
- Publication number
- JPS57179924A JPS57179924A JP6339881A JP6339881A JPS57179924A JP S57179924 A JPS57179924 A JP S57179924A JP 6339881 A JP6339881 A JP 6339881A JP 6339881 A JP6339881 A JP 6339881A JP S57179924 A JPS57179924 A JP S57179924A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- pole
- magnetic pole
- strength
- auxiliary
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6339881A JPS57179924A (en) | 1981-04-28 | 1981-04-28 | Magnetic head |
DE19823213928 DE3213928A1 (de) | 1981-04-15 | 1982-04-15 | Senkrecht - magnetkopf |
US06/705,049 US4649449A (en) | 1981-04-15 | 1985-02-25 | Perpendicular magnetic head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6339881A JPS57179924A (en) | 1981-04-28 | 1981-04-28 | Magnetic head |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57179924A true JPS57179924A (en) | 1982-11-05 |
JPH03684B2 JPH03684B2 (ja) | 1991-01-08 |
Family
ID=13228153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6339881A Granted JPS57179924A (en) | 1981-04-15 | 1981-04-28 | Magnetic head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57179924A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4513337A (en) * | 1980-08-20 | 1985-04-23 | Kabushiki Kaisha Suwa Seikosha | Magnetic head for perpendicular magnetization recording |
JPS62192002A (ja) * | 1986-02-19 | 1987-08-22 | Toshiba Corp | 磁気記録方法 |
US8411384B2 (en) | 2011-06-06 | 2013-04-02 | HGST Netherlands B.V. | Writer having a shield structure for adjacent and far track interference refreshment |
-
1981
- 1981-04-28 JP JP6339881A patent/JPS57179924A/ja active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4513337A (en) * | 1980-08-20 | 1985-04-23 | Kabushiki Kaisha Suwa Seikosha | Magnetic head for perpendicular magnetization recording |
JPS62192002A (ja) * | 1986-02-19 | 1987-08-22 | Toshiba Corp | 磁気記録方法 |
JPH0682443B2 (ja) * | 1986-02-19 | 1994-10-19 | 株式会社東芝 | 磁気記録方法 |
US8411384B2 (en) | 2011-06-06 | 2013-04-02 | HGST Netherlands B.V. | Writer having a shield structure for adjacent and far track interference refreshment |
Also Published As
Publication number | Publication date |
---|---|
JPH03684B2 (ja) | 1991-01-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS543517A (en) | Erasing head | |
JPS5681868A (en) | Magnet roll developing device | |
JPS57179924A (en) | Magnetic head | |
JPS563422A (en) | Magnetic head | |
JPS5654621A (en) | Thin-film magnetic head | |
JPS54128719A (en) | Vertical magnetization recorder | |
JPS5577025A (en) | Erasing head | |
JPS5587325A (en) | Magnetic head for vertical magnetic recording | |
JPS5674809A (en) | Vertical recording/reproducing magnetic head | |
JPS539110A (en) | Magnetic head of vertical magnetization recording system | |
JPS5613705A (en) | Magnetic circuit using anisotropic magnet | |
JPS5693111A (en) | Induction-type thin-film magnetic head | |
JPS5654635A (en) | Vertical magnetic recording medium | |
JPS57179922A (en) | Magnetic recording head | |
JPS5589906A (en) | Magnetic head for erase | |
JPS55135325A (en) | Vertically-magnetized type magnetic head | |
JPS55113122A (en) | Magnetic head unit | |
JPS55108920A (en) | Magnetic head | |
JPS54134613A (en) | Magnetic head | |
JPS5788513A (en) | Vertical magnetizing type magnetic head | |
JPS57150105A (en) | Magnetic erasing head | |
JPS6432415A (en) | Magnetic head for vertical recording | |
JPS5295097A (en) | Magnetic recording material | |
JPS5634A (en) | Magnetic recording medium | |
JPS5534325A (en) | Vertical magnetizing type magnetic head |