IT1038346B - Testina magnetica utilizzante un elemento sensibile ad un campo magnetico e metodo di fabbricazione della stessa - Google Patents
Testina magnetica utilizzante un elemento sensibile ad un campo magnetico e metodo di fabbricazione della stessaInfo
- Publication number
- IT1038346B IT1038346B IT2360275A IT2360275A IT1038346B IT 1038346 B IT1038346 B IT 1038346B IT 2360275 A IT2360275 A IT 2360275A IT 2360275 A IT2360275 A IT 2360275A IT 1038346 B IT1038346 B IT 1038346B
- Authority
- IT
- Italy
- Prior art keywords
- manufacturing
- same
- magnetic field
- element sensitive
- magnetic head
- Prior art date
Links
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 |
|---|---|
| IT1038346B true IT1038346B (it) | 1979-11-20 |
Family
ID=19821421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2360275A IT1038346B (it) | 1974-05-24 | 1975-05-21 | Testina magnetica utilizzante un elemento sensibile ad un campo magnetico e metodo di fabbricazione della stessa |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS51319A (nl) |
| BE (1) | BE829374A (nl) |
| CA (1) | CA1047161A (nl) |
| DE (1) | DE2522861C3 (nl) |
| FR (1) | FR2272460B1 (nl) |
| GB (1) | GB1497575A (nl) |
| IT (1) | IT1038346B (nl) |
| NL (1) | NL7406962A (nl) |
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 |
| EP0185289B1 (de) * | 1984-12-21 | 1988-07-27 | Siemens Aktiengesellschaft | Dünnfilm-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 (nl) * | 1972-01-01 | 1977-08-03 |
-
1974
- 1974-05-24 NL NL7406962A patent/NL7406962A/nl unknown
-
1975
- 1975-05-21 GB GB2180175A patent/GB1497575A/en not_active Expired
- 1975-05-21 JP JP5980075A patent/JPS51319A/ja active Pending
- 1975-05-21 CA CA227,485A patent/CA1047161A/en not_active Expired
- 1975-05-21 IT IT2360275A patent/IT1038346B/it active
- 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 |
|---|---|
| JPS51319A (en) | 1976-01-06 |
| CA1047161A (en) | 1979-01-23 |
| BE829374A (fr) | 1975-11-24 |
| DE2522861C3 (de) | 1978-12-21 |
| DE2522861A1 (de) | 1975-12-04 |
| FR2272460B1 (nl) | 1978-09-01 |
| NL7406962A (nl) | 1975-11-26 |
| DE2522861B2 (de) | 1978-04-27 |
| FR2272460A1 (nl) | 1975-12-19 |
| GB1497575A (en) | 1978-01-12 |
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