CA1047161A - Magnetic head using a magnetic-field-sensitive element and method of manufacturing same - Google Patents
Magnetic head using a magnetic-field-sensitive element and method of manufacturing sameInfo
- Publication number
- CA1047161A CA1047161A CA227,485A CA227485A CA1047161A CA 1047161 A CA1047161 A CA 1047161A CA 227485 A CA227485 A CA 227485A CA 1047161 A CA1047161 A CA 1047161A
- Authority
- CA
- Canada
- Prior art keywords
- groove
- substrate
- magnetic field
- magnetic
- layer
- 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 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 9
- 239000010409 thin film Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 229910003271 Ni-Fe Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 238000000151 deposition Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- XZWYZXLIPXDOLR-UHFFFAOYSA-N metformin Chemical compound CN(C)C(=N)NC(N)=N XZWYZXLIPXDOLR-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 230000007704 transition 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
-
- 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
- G11B5/332—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using thin films
-
- 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
- G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
-
- 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7406962A NL7406962A (nl) | 1974-05-24 | 1974-05-24 | Magneetkop welke gebruik maakt van een mag- neetveldgevoelig element en werkwijze voor het vervaardigen daarvan. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1047161A true CA1047161A (en) | 1979-01-23 |
Family
ID=19821421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA227,485A Expired CA1047161A (en) | 1974-05-24 | 1975-05-21 | Magnetic head using a magnetic-field-sensitive element and method of manufacturing same |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS51319A (enExample) |
| BE (1) | BE829374A (enExample) |
| CA (1) | CA1047161A (enExample) |
| DE (1) | DE2522861C3 (enExample) |
| FR (1) | FR2272460B1 (enExample) |
| GB (1) | GB1497575A (enExample) |
| IT (1) | IT1038346B (enExample) |
| NL (1) | NL7406962A (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2003647B (en) * | 1977-09-02 | 1982-05-06 | Magnex Corp | Thin film magnetic recording heads |
| DE3204184A1 (de) * | 1982-02-06 | 1983-08-11 | Robert Bosch Gmbh, 7000 Stuttgart | Duennschicht-mehrspur-magnetkopf hoher spurdichte |
| NL8201846A (nl) * | 1982-05-06 | 1983-12-01 | Philips Nv | Sensor met een magneetveldgevoelig element en werkwijze voor het vervaardigen daarvan. |
| JPH0626008B2 (ja) * | 1984-11-16 | 1994-04-06 | 三洋電機株式会社 | 磁気抵抗効果型磁気ヘツド |
| ATE36088T1 (de) * | 1984-12-21 | 1988-08-15 | Siemens Ag | Duennfilm-magnetkopf auf einem nicht-magnetischen substrat zur senkrechten magnetisierung. |
| FR2671220B1 (fr) * | 1990-12-27 | 1995-02-17 | Thomson Csf | Procede de fabrication de capteurs magneto-resistifs, et dispositif magnetique realise suivant un tel procede. |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5229607B2 (enExample) * | 1972-01-01 | 1977-08-03 |
-
1974
- 1974-05-24 NL NL7406962A patent/NL7406962A/xx unknown
-
1975
- 1975-05-21 CA CA227,485A patent/CA1047161A/en not_active Expired
- 1975-05-21 IT IT2360275A patent/IT1038346B/it active
- 1975-05-21 JP JP5980075A patent/JPS51319A/ja active Pending
- 1975-05-21 GB GB2180175A patent/GB1497575A/en not_active Expired
- 1975-05-22 BE BE156609A patent/BE829374A/xx unknown
- 1975-05-23 DE DE19752522861 patent/DE2522861C3/de not_active Expired
- 1975-05-23 FR FR7516123A patent/FR2272460B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2272460A1 (enExample) | 1975-12-19 |
| FR2272460B1 (enExample) | 1978-09-01 |
| DE2522861C3 (de) | 1978-12-21 |
| DE2522861A1 (de) | 1975-12-04 |
| IT1038346B (it) | 1979-11-20 |
| GB1497575A (en) | 1978-01-12 |
| DE2522861B2 (de) | 1978-04-27 |
| BE829374A (fr) | 1975-11-24 |
| JPS51319A (en) | 1976-01-06 |
| NL7406962A (nl) | 1975-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4195323A (en) | Thin film magnetic recording heads | |
| US4837924A (en) | Process for the production of planar structure thin film magnetic heads | |
| US4321641A (en) | Thin film magnetic recording heads | |
| EP0107443B1 (en) | Magnetic recording and reproducing thin film head | |
| US4489484A (en) | Method of making thin film magnetic recording heads | |
| EP0012913B1 (en) | A method of making a thin film magnetic head and a head so made | |
| US20040239320A1 (en) | Thin film magnetic sensor and method of manufacturing the same | |
| JP2677415B2 (ja) | 薄膜磁気ヘッド | |
| US4841624A (en) | Method of producing a thin film magnetic head | |
| US4281357A (en) | Thin film magnetic head and method of making the same | |
| US4750072A (en) | Thin-film magnetic head provided with a magnetic film having regions of different magnetostriction constants and method of fabricating the same | |
| US4151574A (en) | Magnetic head using a magnetic field-sensitive element and method of manufacturing same | |
| US4698708A (en) | Device for magnetically reading and writing on a flying support | |
| CA1047161A (en) | Magnetic head using a magnetic-field-sensitive element and method of manufacturing same | |
| JP2720806B2 (ja) | 磁気抵抗効果型ヘッドおよびその製造方法 | |
| US4900650A (en) | Method of producing a pole piece with improved magnetic domain structure | |
| CA1134945A (en) | Thin film magnetic recording heads | |
| US5084957A (en) | Method for aligning thin film head pole tips | |
| US6207466B1 (en) | Method of manufacturing thin film magnetic head | |
| EP0060632B1 (en) | Thin film magneto-resistive sensors and methods for their manufacture | |
| JPH07210821A (ja) | 薄膜磁気ヘッド及びその製造方法 | |
| JPS63138513A (ja) | 薄膜磁気ヘツド及びその製造方法 | |
| JP2707760B2 (ja) | 薄膜磁気ヘッドの製造方法 | |
| JP2685235B2 (ja) | 薄膜磁気ヘッドの製造方法 | |
| JP2511868B2 (ja) | 薄膜磁気ヘッドおよびその製造方法 |