JPH0375929B2 - - Google Patents
Info
- Publication number
- JPH0375929B2 JPH0375929B2 JP10139582A JP10139582A JPH0375929B2 JP H0375929 B2 JPH0375929 B2 JP H0375929B2 JP 10139582 A JP10139582 A JP 10139582A JP 10139582 A JP10139582 A JP 10139582A JP H0375929 B2 JPH0375929 B2 JP H0375929B2
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- magnetoresistive
- magnetic
- magnetic field
- magnetoresistive element
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 96
- 239000010409 thin film Substances 0.000 claims description 31
- 239000000758 substrate Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 5
- 230000004907 flux Effects 0.000 claims description 4
- 238000007736 thin film deposition technique Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000005415 magnetization Effects 0.000 description 9
- 230000007423 decrease Effects 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 6
- 230000005330 Barkhausen effect Effects 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910003271 Ni-Fe Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 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
- G11B5/3929—Disposition of magnetic thin films not used for directly coupling magnetic flux from the track to the MR film or for shielding
-
- 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
- G11B5/3929—Disposition of magnetic thin films not used for directly coupling magnetic flux from the track to the MR film or for shielding
- G11B5/3935—Flux closure films not being part of the track flux guides
- G11B5/3938—Flux closure films not being part of the track flux guides the flux closure films being used for absorbing or reducing demagnetisating or saturating fields
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10139582A JPS58220241A (ja) | 1982-06-15 | 1982-06-15 | 磁気抵抗効果型磁気ヘツド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10139582A JPS58220241A (ja) | 1982-06-15 | 1982-06-15 | 磁気抵抗効果型磁気ヘツド |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29234992A Division JPH07114008B2 (ja) | 1992-10-30 | 1992-10-30 | 磁気抵抗効果型磁気ヘッド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58220241A JPS58220241A (ja) | 1983-12-21 |
| JPH0375929B2 true JPH0375929B2 (en]) | 1991-12-03 |
Family
ID=14299547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10139582A Granted JPS58220241A (ja) | 1982-06-15 | 1982-06-15 | 磁気抵抗効果型磁気ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58220241A (en]) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61199684A (ja) * | 1985-03-01 | 1986-09-04 | Hitachi Ltd | 磁気抵抗効果型素子 |
| US4802043A (en) * | 1985-03-25 | 1989-01-31 | Hitachi, Ltd. | Magneto-resistive head for protecting against output spike noises |
| JP2642923B2 (ja) * | 1985-08-30 | 1997-08-20 | ソニー株式会社 | 磁気抵抗効果型磁気ヘツド |
| JPS62184616A (ja) * | 1986-02-10 | 1987-08-13 | Hitachi Ltd | 磁気抵抗効果型磁気ヘツド |
| US4903158A (en) * | 1988-07-28 | 1990-02-20 | Eastman Kodak Company | MR head with complementary easy axis permanent magnet |
| US5557491A (en) * | 1994-08-18 | 1996-09-17 | International Business Machines Corporation | Two terminal single stripe orthogonal MR head having biasing conductor integral with the lead layers |
-
1982
- 1982-06-15 JP JP10139582A patent/JPS58220241A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58220241A (ja) | 1983-12-21 |
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