JPS58179927A - 薄膜磁気ヘツド - Google Patents
薄膜磁気ヘツドInfo
- Publication number
- JPS58179927A JPS58179927A JP6272882A JP6272882A JPS58179927A JP S58179927 A JPS58179927 A JP S58179927A JP 6272882 A JP6272882 A JP 6272882A JP 6272882 A JP6272882 A JP 6272882A JP S58179927 A JPS58179927 A JP S58179927A
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- magnetic
- head
- recording medium
- magnetically
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 49
- 239000010409 thin film Substances 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000003302 ferromagnetic material Substances 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims 1
- 239000012811 non-conductive material Substances 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005415 magnetization Effects 0.000 abstract description 6
- 229910003271 Ni-Fe Inorganic materials 0.000 abstract description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 abstract description 2
- 238000010292 electrical insulation Methods 0.000 abstract description 2
- 229910000859 α-Fe Inorganic materials 0.000 abstract description 2
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- 239000000696 magnetic material Substances 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite 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
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
- G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
- G11B5/3916—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide
- G11B5/3919—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path
-
- 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
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
-
- 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
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
- G11B5/399—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures with intrinsic biasing, e.g. provided by equipotential strips
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6272882A JPS58179927A (ja) | 1982-04-14 | 1982-04-14 | 薄膜磁気ヘツド |
| EP83302024A EP0091812B1 (en) | 1982-04-14 | 1983-04-11 | A playback head for perpendicular magnetic recordings |
| US06/483,614 US4613918A (en) | 1982-04-14 | 1983-04-11 | Perpendicular magnetic playback head and a perpendicular magnetic recording and reproducing device |
| DE8383302024T DE3374622D1 (en) | 1982-04-14 | 1983-04-11 | A playback head for perpendicular magnetic recordings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6272882A JPS58179927A (ja) | 1982-04-14 | 1982-04-14 | 薄膜磁気ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58179927A true JPS58179927A (ja) | 1983-10-21 |
| JPS6327772B2 JPS6327772B2 (en, 2012) | 1988-06-06 |
Family
ID=13208710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6272882A Granted JPS58179927A (ja) | 1982-04-14 | 1982-04-14 | 薄膜磁気ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58179927A (en, 2012) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4654739A (en) * | 1984-01-05 | 1987-03-31 | Matsushita Electric Industrial Co., Ltd. | Thin film magnetic head for reproducing perpendicular magnetization |
| US4700252A (en) * | 1983-10-20 | 1987-10-13 | Matsushita Electric Industrial Co., Ltd. | Magnetic thin film head |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5263709A (en) * | 1975-11-21 | 1977-05-26 | Hitachi Ltd | Film magnetic head of magnetic resistance effective type |
| JPS52113216A (en) * | 1976-03-19 | 1977-09-22 | Matsushita Electric Ind Co Ltd | Magnetic head |
-
1982
- 1982-04-14 JP JP6272882A patent/JPS58179927A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5263709A (en) * | 1975-11-21 | 1977-05-26 | Hitachi Ltd | Film magnetic head of magnetic resistance effective type |
| JPS52113216A (en) * | 1976-03-19 | 1977-09-22 | Matsushita Electric Ind Co Ltd | Magnetic head |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4700252A (en) * | 1983-10-20 | 1987-10-13 | Matsushita Electric Industrial Co., Ltd. | Magnetic thin film head |
| US4654739A (en) * | 1984-01-05 | 1987-03-31 | Matsushita Electric Industrial Co., Ltd. | Thin film magnetic head for reproducing perpendicular magnetization |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6327772B2 (en, 2012) | 1988-06-06 |
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