JPS57162112A - Magnetic head for vertical magnetic recording and reproduction - Google Patents
Magnetic head for vertical magnetic recording and reproductionInfo
- Publication number
- JPS57162112A JPS57162112A JP4680481A JP4680481A JPS57162112A JP S57162112 A JPS57162112 A JP S57162112A JP 4680481 A JP4680481 A JP 4680481A JP 4680481 A JP4680481 A JP 4680481A JP S57162112 A JPS57162112 A JP S57162112A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- main magnetic
- reproduction
- main
- film
- 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
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 230000035699 permeability Effects 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4680481A JPS57162112A (en) | 1981-03-30 | 1981-03-30 | Magnetic head for vertical magnetic recording and reproduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4680481A JPS57162112A (en) | 1981-03-30 | 1981-03-30 | Magnetic head for vertical magnetic recording and reproduction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57162112A true JPS57162112A (en) | 1982-10-05 |
| JPH0237603B2 JPH0237603B2 (enExample) | 1990-08-27 |
Family
ID=12757512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4680481A Granted JPS57162112A (en) | 1981-03-30 | 1981-03-30 | Magnetic head for vertical magnetic recording and reproduction |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57162112A (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4672494A (en) * | 1983-09-01 | 1987-06-09 | Matsushita Electric Industrial Co., Ltd. | Magnetic head for effecting perpendicular magnetic recording |
| US7430095B2 (en) * | 2003-11-20 | 2008-09-30 | Maxtor Corporation | Tapered write pole for reduced skew effect |
| US7881019B2 (en) * | 2006-03-28 | 2011-02-01 | Hitachi Global Storage Technologies Netherlands B.V. | Two step corner recess for secondary stray field reduction in a perpendicular magnetic recording head |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52147414A (en) * | 1976-06-03 | 1977-12-07 | Fujitsu Ltd | Magnetic head |
| JPS53121608A (en) * | 1977-03-31 | 1978-10-24 | Sony Corp | Magnetic recording system |
| JPS5619513A (en) * | 1979-07-25 | 1981-02-24 | Matsushita Electric Ind Co Ltd | Magnetic head for vertical recording |
-
1981
- 1981-03-30 JP JP4680481A patent/JPS57162112A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52147414A (en) * | 1976-06-03 | 1977-12-07 | Fujitsu Ltd | Magnetic head |
| JPS53121608A (en) * | 1977-03-31 | 1978-10-24 | Sony Corp | Magnetic recording system |
| JPS5619513A (en) * | 1979-07-25 | 1981-02-24 | Matsushita Electric Ind Co Ltd | Magnetic head for vertical recording |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4672494A (en) * | 1983-09-01 | 1987-06-09 | Matsushita Electric Industrial Co., Ltd. | Magnetic head for effecting perpendicular magnetic recording |
| US7430095B2 (en) * | 2003-11-20 | 2008-09-30 | Maxtor Corporation | Tapered write pole for reduced skew effect |
| US7881019B2 (en) * | 2006-03-28 | 2011-02-01 | Hitachi Global Storage Technologies Netherlands B.V. | Two step corner recess for secondary stray field reduction in a perpendicular magnetic recording head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0237603B2 (enExample) | 1990-08-27 |
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