JPH022209B2 - - Google Patents
Info
- Publication number
- JPH022209B2 JPH022209B2 JP12933682A JP12933682A JPH022209B2 JP H022209 B2 JPH022209 B2 JP H022209B2 JP 12933682 A JP12933682 A JP 12933682A JP 12933682 A JP12933682 A JP 12933682A JP H022209 B2 JPH022209 B2 JP H022209B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic permeability
- thin film
- magnetic field
- high magnetic
- 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
- 230000035699 permeability Effects 0.000 claims description 44
- 239000010409 thin film Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 20
- 230000005415 magnetization Effects 0.000 claims description 18
- 239000000696 magnetic material Substances 0.000 claims description 6
- 230000007423 decrease Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910002555 FeNi Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 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
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910000702 sendust 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 (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12933682A JPS5919213A (ja) | 1982-07-23 | 1982-07-23 | 垂直磁化記録用ヘツド |
US06/409,895 US4745509A (en) | 1981-08-21 | 1982-08-20 | Magnetic head with improved supporter for perpendicular magnetization recording |
DE3231286A DE3231286C2 (de) | 1981-08-21 | 1982-08-23 | Magnetkopf für Tiefen- bzw. Senkrechtmagnetisierung |
US07/127,538 US4796134A (en) | 1981-08-21 | 1987-11-30 | Magnetic head with improved supporter for perpendicular magnetization recording |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12933682A JPS5919213A (ja) | 1982-07-23 | 1982-07-23 | 垂直磁化記録用ヘツド |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5919213A JPS5919213A (ja) | 1984-01-31 |
JPH022209B2 true JPH022209B2 (de) | 1990-01-17 |
Family
ID=15007083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12933682A Granted JPS5919213A (ja) | 1981-08-21 | 1982-07-23 | 垂直磁化記録用ヘツド |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5919213A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0483904U (de) * | 1990-11-30 | 1992-07-21 | ||
JPH0823612A (ja) * | 1994-07-05 | 1996-01-23 | Masaru Kogyo Kk | 床下配線用工具 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3586827T2 (de) * | 1984-12-03 | 1993-03-25 | Olympus Optical Co | Senkrechter magnetkopf. |
-
1982
- 1982-07-23 JP JP12933682A patent/JPS5919213A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0483904U (de) * | 1990-11-30 | 1992-07-21 | ||
JPH0823612A (ja) * | 1994-07-05 | 1996-01-23 | Masaru Kogyo Kk | 床下配線用工具 |
Also Published As
Publication number | Publication date |
---|---|
JPS5919213A (ja) | 1984-01-31 |
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