GB1391150A - Data sensing device - Google Patents
Data sensing deviceInfo
- Publication number
- GB1391150A GB1391150A GB4770973A GB4770973A GB1391150A GB 1391150 A GB1391150 A GB 1391150A GB 4770973 A GB4770973 A GB 4770973A GB 4770973 A GB4770973 A GB 4770973A GB 1391150 A GB1391150 A GB 1391150A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic
- magnetoresistive
- sensor
- overlay
- permalloy
- 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
- 229910018072 Al 2 O 3 Inorganic materials 0.000 abstract 2
- 229910017061 Fe Co Inorganic materials 0.000 abstract 2
- 229910000889 permalloy Inorganic materials 0.000 abstract 2
- 229910017709 Ni Co Inorganic materials 0.000 abstract 1
- 229910003267 Ni-Co Inorganic materials 0.000 abstract 1
- 229910003271 Ni-Fe Inorganic materials 0.000 abstract 1
- 229910003262 Ni‐Co Inorganic materials 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 239000003989 dielectric material Substances 0.000 abstract 1
- 230000005415 magnetization Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
- 239000010409 thin film Substances 0.000 abstract 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
- G11B5/722—Protective coatings, e.g. anti-static or antifriction containing an anticorrosive material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/09—Magnetoresistive devices
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
- G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
- G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
- G11C19/0866—Detecting magnetic domains
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
- H01C1/034—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being formed as coating or mould without outer sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/10—Adjustable resistors adjustable by mechanical pressure or force
- H01C10/103—Adjustable resistors adjustable by mechanical pressure or force by using means responding to magnetic or electric fields, e.g. by addition of magnetisable or piezoelectric particles to the resistive material, or by an electromagnetic actuator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/32—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying conductive, insulating or magnetic material on a magnetic film, specially adapted for a thin magnetic film
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N50/00—Galvanomagnetic devices
- H10N50/10—Magnetoresistive devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Magnetic Variables (AREA)
- Magnetic Heads (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31101472A | 1972-11-30 | 1972-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1391150A true GB1391150A (en) | 1975-04-16 |
Family
ID=23205012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4770973A Expired GB1391150A (en) | 1972-11-30 | 1973-10-12 | Data sensing device |
Country Status (11)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2268191A (en) * | 1991-12-10 | 1994-01-05 | British Tech Group | Magnetic material with magnetorestrictive properties |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4130847A (en) * | 1977-03-31 | 1978-12-19 | International Business Machines Corporation | Corrosion resistant thin film head assembly and method for making |
| JPS56169171U (enrdf_load_stackoverflow) * | 1980-05-20 | 1981-12-14 | ||
| JPS56165922A (en) * | 1980-05-23 | 1981-12-19 | Matsushita Electric Ind Co Ltd | Production of magnetic head |
| EP0060632B1 (en) * | 1981-03-17 | 1985-09-25 | The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and | Thin film magneto-resistive sensors and methods for their manufacture |
| JPS5968811A (ja) * | 1982-10-10 | 1984-04-18 | Tdk Corp | Ｍｒヘッドの製造方法 |
| JP2661068B2 (ja) * | 1987-10-29 | 1997-10-08 | ソニー株式会社 | 磁気抵抗効果型磁気ヘッド |
-
1973
- 1973-09-18 IT IT29055/73A patent/IT993903B/it active
- 1973-10-12 GB GB4770973A patent/GB1391150A/en not_active Expired
- 1973-10-23 FR FR7338737A patent/FR2209156B1/fr not_active Expired
- 1973-10-26 CA CA184,355A patent/CA960360A/en not_active Expired
- 1973-10-26 JP JP48120047A patent/JPS4984631A/ja active Pending
- 1973-11-13 SE SE7315370A patent/SE392486B/xx unknown
- 1973-11-27 NL NL7316183A patent/NL7316183A/xx not_active Application Discontinuation
- 1973-11-27 DE DE2358875A patent/DE2358875A1/de active Pending
- 1973-11-27 CH CH1662273A patent/CH567785A5/xx not_active IP Right Cessation
- 1973-11-29 ES ES420964A patent/ES420964A1/es not_active Expired
- 1973-11-30 BE BE138392A patent/BE808069A/xx not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2268191A (en) * | 1991-12-10 | 1994-01-05 | British Tech Group | Magnetic material with magnetorestrictive properties |
| GB2268191B (en) * | 1991-12-10 | 1995-02-22 | British Tech Group | Magnetostrictive material |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2209156B1 (enrdf_load_stackoverflow) | 1976-06-18 |
| JPS4984631A (enrdf_load_stackoverflow) | 1974-08-14 |
| IT993903B (it) | 1975-09-30 |
| ES420964A1 (es) | 1976-10-01 |
| DE2358875A1 (de) | 1974-06-27 |
| FR2209156A1 (enrdf_load_stackoverflow) | 1974-06-28 |
| NL7316183A (enrdf_load_stackoverflow) | 1974-06-04 |
| SE392486B (sv) | 1977-03-28 |
| BE808069A (fr) | 1974-03-15 |
| CA960360A (en) | 1974-12-31 |
| CH567785A5 (enrdf_load_stackoverflow) | 1975-10-15 |
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| KR970050142A (ko) | 엠알 요소를 이용하는 검출부와 포화층을 갖는 자기 기록 시스템 | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |