JPH03684B2 - - Google Patents
Info
- Publication number
- JPH03684B2 JPH03684B2 JP6339881A JP6339881A JPH03684B2 JP H03684 B2 JPH03684 B2 JP H03684B2 JP 6339881 A JP6339881 A JP 6339881A JP 6339881 A JP6339881 A JP 6339881A JP H03684 B2 JPH03684 B2 JP H03684B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- pole
- magnetic pole
- auxiliary
- recording medium
- 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.)
- Expired
Links
- 238000004804 winding Methods 0.000 claims description 18
- 230000005415 magnetization Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 229910000889 permalloy Inorganic materials 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000012887 quadratic function Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
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 JPS57179924A (en) | 1982-11-05 |
JPH03684B2 true JPH03684B2 (en]) | 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 (en]) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5737713A (en) * | 1980-08-20 | 1982-03-02 | Seiko Epson Corp | Vertical magnetic recording head |
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 |
-
1981
- 1981-04-28 JP JP6339881A patent/JPS57179924A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57179924A (en) | 1982-11-05 |
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