ES420964A1 - Data sensing device - Google Patents
Data sensing deviceInfo
- Publication number
- ES420964A1 ES420964A1 ES420964A ES420964A ES420964A1 ES 420964 A1 ES420964 A1 ES 420964A1 ES 420964 A ES420964 A ES 420964A ES 420964 A ES420964 A ES 420964A ES 420964 A1 ES420964 A1 ES 420964A1
- Authority
- ES
- Spain
- Prior art keywords
- sensing device
- data sensing
- metallic layer
- translation
- oxidation
- 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
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)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (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)
Abstract
Improvements introduced into magnetosensitive elements provided, for example, for scanning heads in magnetic information memories, made up of at least one thin metallic layer, characterized in that said metallic layer is covered with a protective layer that prevents its oxidation. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31101472A | 1972-11-30 | 1972-11-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES420964A1 true ES420964A1 (en) | 1976-10-01 |
Family
ID=23205012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES420964A Expired ES420964A1 (en) | 1972-11-30 | 1973-11-29 | Data sensing device |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS4984631A (en) |
BE (1) | BE808069A (en) |
CA (1) | CA960360A (en) |
CH (1) | CH567785A5 (en) |
DE (1) | DE2358875A1 (en) |
ES (1) | ES420964A1 (en) |
FR (1) | FR2209156B1 (en) |
GB (1) | GB1391150A (en) |
IT (1) | IT993903B (en) |
NL (1) | NL7316183A (en) |
SE (1) | SE392486B (en) |
Families Citing this family (7)
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 (en) * | 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 (en) * | 1982-10-10 | 1984-04-18 | Tdk Corp | Mr head |
JP2661068B2 (en) * | 1987-10-29 | 1997-10-08 | ソニー株式会社 | Magnetoresistive magnetic head |
GB9126207D0 (en) * | 1991-12-10 | 1992-02-12 | Nat Res Dev | Magnetostrictive material |
-
1973
- 1973-09-18 IT IT29055/73A patent/IT993903B/en 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 JP JP48120047A patent/JPS4984631A/ja active Pending
- 1973-10-26 CA CA184,355A patent/CA960360A/en not_active Expired
- 1973-11-13 SE SE7315370A patent/SE392486B/en unknown
- 1973-11-27 DE DE2358875A patent/DE2358875A1/en active Pending
- 1973-11-27 CH CH1662273A patent/CH567785A5/xx not_active IP Right Cessation
- 1973-11-27 NL NL7316183A patent/NL7316183A/xx not_active Application Discontinuation
- 1973-11-29 ES ES420964A patent/ES420964A1/en not_active Expired
- 1973-11-30 BE BE138392A patent/BE808069A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS4984631A (en) | 1974-08-14 |
NL7316183A (en) | 1974-06-04 |
DE2358875A1 (en) | 1974-06-27 |
CA960360A (en) | 1974-12-31 |
FR2209156B1 (en) | 1976-06-18 |
GB1391150A (en) | 1975-04-16 |
BE808069A (en) | 1974-03-15 |
SE392486B (en) | 1977-03-28 |
FR2209156A1 (en) | 1974-06-28 |
IT993903B (en) | 1975-09-30 |
CH567785A5 (en) | 1975-10-15 |
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