JPS631643B2 - - Google Patents
Info
- Publication number
- JPS631643B2 JPS631643B2 JP2675281A JP2675281A JPS631643B2 JP S631643 B2 JPS631643 B2 JP S631643B2 JP 2675281 A JP2675281 A JP 2675281A JP 2675281 A JP2675281 A JP 2675281A JP S631643 B2 JPS631643 B2 JP S631643B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic core
- recording
- core
- permalloy
- reproduction
- 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
- 239000011521 glass Substances 0.000 claims description 9
- 229910000889 permalloy Inorganic materials 0.000 claims description 8
- 229910000859 α-Fe Inorganic materials 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000004907 flux Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 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
- G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
- G11B5/2651—Manufacture
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2675281A JPS57143714A (en) | 1981-02-27 | 1981-02-27 | Composite type video head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2675281A JPS57143714A (en) | 1981-02-27 | 1981-02-27 | Composite type video head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57143714A JPS57143714A (en) | 1982-09-06 |
| JPS631643B2 true JPS631643B2 (enrdf_load_stackoverflow) | 1988-01-13 |
Family
ID=12202013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2675281A Granted JPS57143714A (en) | 1981-02-27 | 1981-02-27 | Composite type video head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57143714A (enrdf_load_stackoverflow) |
-
1981
- 1981-02-27 JP JP2675281A patent/JPS57143714A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57143714A (en) | 1982-09-06 |
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