JPH0320803B2 - - Google Patents
Info
- Publication number
- JPH0320803B2 JPH0320803B2 JP58161308A JP16130883A JPH0320803B2 JP H0320803 B2 JPH0320803 B2 JP H0320803B2 JP 58161308 A JP58161308 A JP 58161308A JP 16130883 A JP16130883 A JP 16130883A JP H0320803 B2 JPH0320803 B2 JP H0320803B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- permeability
- thin film
- layer
- main
- 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 - Lifetime
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
-
- 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16130883A JPS6052907A (ja) | 1983-09-01 | 1983-09-01 | 磁気ヘッド |
| US06/640,595 US4672494A (en) | 1983-09-01 | 1984-08-14 | Magnetic head for effecting perpendicular magnetic recording |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16130883A JPS6052907A (ja) | 1983-09-01 | 1983-09-01 | 磁気ヘッド |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33712789A Division JPH02198011A (ja) | 1989-12-26 | 1989-12-26 | 磁気ヘッド |
| JP33712689A Division JPH02198010A (ja) | 1989-12-26 | 1989-12-26 | 磁気ヘッド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6052907A JPS6052907A (ja) | 1985-03-26 |
| JPH0320803B2 true JPH0320803B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-03-20 |
Family
ID=15732630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16130883A Granted JPS6052907A (ja) | 1983-09-01 | 1983-09-01 | 磁気ヘッド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6052907A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5611612A (en) * | 1979-07-02 | 1981-02-05 | Toshiba Corp | Magnetic head of vertical magnetizing type |
-
1983
- 1983-09-01 JP JP16130883A patent/JPS6052907A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6052907A (ja) | 1985-03-26 |