ES420964A1 - Data sensing device - Google Patents

Data sensing device

Info

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
Application number
ES420964A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of ES420964A1 publication Critical patent/ES420964A1/en
Expired legal-status Critical Current

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)
  • 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)

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)
ES420964A 1972-11-30 1973-11-29 Data sensing device Expired ES420964A1 (en)

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
BE808069A (en) 1974-03-15
DE2358875A1 (en) 1974-06-27
NL7316183A (en) 1974-06-04
CA960360A (en) 1974-12-31
FR2209156B1 (en) 1976-06-18
JPS4984631A (en) 1974-08-14
SE392486B (en) 1977-03-28
GB1391150A (en) 1975-04-16
IT993903B (en) 1975-09-30
CH567785A5 (en) 1975-10-15
FR2209156A1 (en) 1974-06-28

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