JPH0447366B2 - - Google Patents
Info
- Publication number
- JPH0447366B2 JPH0447366B2 JP57127902A JP12790282A JPH0447366B2 JP H0447366 B2 JPH0447366 B2 JP H0447366B2 JP 57127902 A JP57127902 A JP 57127902A JP 12790282 A JP12790282 A JP 12790282A JP H0447366 B2 JPH0447366 B2 JP H0447366B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- recording
- coil
- head
- pole
- 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
- 239000010409 thin film Substances 0.000 claims description 46
- 230000035699 permeability Effects 0.000 claims description 30
- 239000010408 film Substances 0.000 description 17
- 229910000859 α-Fe Inorganic materials 0.000 description 8
- 230000004907 flux Effects 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 7
- 101000606504 Drosophila melanogaster Tyrosine-protein kinase-like otk Proteins 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 208000028341 floppy head Diseases 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 229910000889 permalloy Inorganic materials 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical class [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004804 winding 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
- G11B5/1278—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 |
|---|---|---|---|
| JP12790282A JPS5919215A (ja) | 1982-07-22 | 1982-07-22 | 磁気ヘツド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12790282A JPS5919215A (ja) | 1982-07-22 | 1982-07-22 | 磁気ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5919215A JPS5919215A (ja) | 1984-01-31 |
| JPH0447366B2 true JPH0447366B2 (fr) | 1992-08-03 |
Family
ID=14971484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12790282A Granted JPS5919215A (ja) | 1982-07-22 | 1982-07-22 | 磁気ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5919215A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3346886A1 (de) * | 1983-12-23 | 1985-07-11 | Siemens AG, 1000 Berlin und 8000 München | Kombinierter schreib- und lese-magnetkopf fuer ein longitudinal oder senkrecht zu magnetisierendes aufzeichnungsmedium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57127913A (en) * | 1981-01-29 | 1982-08-09 | Fujitsu Ltd | Magnetic head |
-
1982
- 1982-07-22 JP JP12790282A patent/JPS5919215A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57127913A (en) * | 1981-01-29 | 1982-08-09 | Fujitsu Ltd | Magnetic head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5919215A (ja) | 1984-01-31 |
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