JPH0234083B2 - - Google Patents
Info
- Publication number
- JPH0234083B2 JPH0234083B2 JP57205177A JP20517782A JPH0234083B2 JP H0234083 B2 JPH0234083 B2 JP H0234083B2 JP 57205177 A JP57205177 A JP 57205177A JP 20517782 A JP20517782 A JP 20517782A JP H0234083 B2 JPH0234083 B2 JP H0234083B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- recording
- head
- film
- magnetic 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
- 239000010408 film Substances 0.000 claims description 19
- 239000010409 thin film Substances 0.000 claims description 7
- 239000000696 magnetic material Substances 0.000 claims description 5
- 238000009499 grossing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 229910000889 permalloy Inorganic materials 0.000 description 8
- 229910000859 α-Fe Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 230000005415 magnetization Effects 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical class [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 2
- 239000010952 cobalt-chrome Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction 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 |
|---|---|---|---|
| JP20517782A JPS5996517A (ja) | 1982-11-22 | 1982-11-22 | 磁気記録再生装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20517782A JPS5996517A (ja) | 1982-11-22 | 1982-11-22 | 磁気記録再生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5996517A JPS5996517A (ja) | 1984-06-04 |
| JPH0234083B2 true JPH0234083B2 (fr) | 1990-08-01 |
Family
ID=16502694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20517782A Granted JPS5996517A (ja) | 1982-11-22 | 1982-11-22 | 磁気記録再生装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5996517A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4839761A (en) * | 1987-07-31 | 1989-06-13 | Seagate Technology, Inc. | Magnetic head for perpendicular magnetic recording system |
| US4982301A (en) * | 1987-10-30 | 1991-01-01 | Seagate Technology, Inc. | Magnetic head for perpendicular magnetic recording system and process |
| US5659446A (en) * | 1990-12-12 | 1997-08-19 | Kabushiki Kaisha Toshiba | Magnetic recording system providing a magnetic head having opposite sides for applying different magnetic field strengths to a magnetic recording medium |
| US5396391A (en) * | 1990-12-12 | 1995-03-07 | Kabushiki Kaisha Toshiba | Magnetic recording system providing a magnetic head having opposite sides for applying different magnetic field strengths to a magnetic recording medium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57210415A (en) * | 1981-06-19 | 1982-12-24 | Matsushita Electric Ind Co Ltd | Magnetic head |
-
1982
- 1982-11-22 JP JP20517782A patent/JPS5996517A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57210415A (en) * | 1981-06-19 | 1982-12-24 | Matsushita Electric Ind Co Ltd | Magnetic head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5996517A (ja) | 1984-06-04 |
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