DE2744993C2 - Magnetowiderstandslesekopf - Google Patents
MagnetowiderstandslesekopfInfo
- Publication number
- DE2744993C2 DE2744993C2 DE19772744993 DE2744993A DE2744993C2 DE 2744993 C2 DE2744993 C2 DE 2744993C2 DE 19772744993 DE19772744993 DE 19772744993 DE 2744993 A DE2744993 A DE 2744993A DE 2744993 C2 DE2744993 C2 DE 2744993C2
- Authority
- DE
- Germany
- Prior art keywords
- magnetic
- field
- read head
- axis
- magnetoresistive
- 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 31
- 230000005415 magnetization Effects 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 4
- 239000003302 ferromagnetic material Substances 0.000 claims description 2
- 229910003271 Ni-Fe Inorganic materials 0.000 description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000010409 thin film Substances 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7611521A NL7611521A (nl) | 1976-10-19 | 1976-10-19 | Magnetoweerstand leeskop. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2744993A1 DE2744993A1 (de) | 1978-04-20 |
| DE2744993C2 true DE2744993C2 (de) | 1986-08-21 |
Family
ID=19827074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772744993 Expired DE2744993C2 (de) | 1976-10-19 | 1977-10-06 | Magnetowiderstandslesekopf |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5352409A (enExample) |
| CA (1) | CA1101120A (enExample) |
| DE (1) | DE2744993C2 (enExample) |
| FR (1) | FR2368777A1 (enExample) |
| GB (1) | GB1539641A (enExample) |
| NL (1) | NL7611521A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3719328A1 (de) * | 1986-06-10 | 1987-12-17 | Nippon Musical Instruments Mfg | Magnetoresistiver sensor fuer einen kodierer |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5559314A (en) * | 1978-10-27 | 1980-05-02 | Sony Corp | Magnetic scale signal detector |
| JPS57109121A (en) * | 1980-12-26 | 1982-07-07 | Sony Corp | Magnetic resistance effect type magnetic head |
| JPS6047223A (ja) * | 1983-08-25 | 1985-03-14 | Sony Corp | 磁気抵抗効果型磁気ヘツド |
| DE19601021B4 (de) * | 1996-01-13 | 2004-11-18 | Dr. Johannes Heidenhain Gmbh | Magnetische Positionsmeßeinrichtung und Verfahren zu deren Betrieb |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3493694A (en) * | 1966-01-19 | 1970-02-03 | Ampex | Magnetoresistive head |
| GB1272044A (en) * | 1971-02-22 | 1972-04-26 | Mullard Ltd | Improvements in or relating to magnetoresistive readout transducers |
| US3716781A (en) * | 1971-10-26 | 1973-02-13 | Ibm | Magnetoresistive sensing device for detection of magnetic fields having a shape anisotropy field and uniaxial anisotropy field which are perpendicular |
| US3881190A (en) * | 1973-09-20 | 1975-04-29 | Ibm | Shielded magnetoresistive magnetic transducer and method of manufacture thereof |
| US3940797A (en) * | 1973-09-20 | 1976-02-24 | International Business Machines Corporation | Shielded magnetoresistive magnetic transducer |
| NL164410C (nl) * | 1974-04-01 | 1980-12-15 | Philips Nv | Magnetoweerstand magneetkop. |
| WO2000029521A1 (en) * | 1998-11-16 | 2000-05-25 | Exxon Chemical Patents Inc. | Soluble complex alcohol ester compounds and compositions |
-
1976
- 1976-10-19 NL NL7611521A patent/NL7611521A/xx not_active Application Discontinuation
-
1977
- 1977-10-06 DE DE19772744993 patent/DE2744993C2/de not_active Expired
- 1977-10-14 GB GB4284177A patent/GB1539641A/en not_active Expired
- 1977-10-14 CA CA288,728A patent/CA1101120A/en not_active Expired
- 1977-10-15 JP JP12303077A patent/JPS5352409A/ja active Granted
- 1977-10-19 FR FR7731451A patent/FR2368777A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3719328A1 (de) * | 1986-06-10 | 1987-12-17 | Nippon Musical Instruments Mfg | Magnetoresistiver sensor fuer einen kodierer |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1539641A (en) | 1979-01-31 |
| FR2368777B1 (enExample) | 1984-06-08 |
| DE2744993A1 (de) | 1978-04-20 |
| JPS5352409A (en) | 1978-05-12 |
| FR2368777A1 (fr) | 1978-05-19 |
| NL7611521A (nl) | 1978-04-21 |
| JPS5713929B2 (enExample) | 1982-03-20 |
| CA1101120A (en) | 1981-05-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: AUER, H., DIPL.-ING., PAT.-ANW., 2000 HAMBURG |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |