DE2349423C3 - Magnetoresistiver Wandler zur Ermittlung magnetischer Feldstärken und Schaltung zum Betrieb des Wandlers - Google Patents

Magnetoresistiver Wandler zur Ermittlung magnetischer Feldstärken und Schaltung zum Betrieb des Wandlers

Info

Publication number
DE2349423C3
DE2349423C3 DE2349423A DE2349423A DE2349423C3 DE 2349423 C3 DE2349423 C3 DE 2349423C3 DE 2349423 A DE2349423 A DE 2349423A DE 2349423 A DE2349423 A DE 2349423A DE 2349423 C3 DE2349423 C3 DE 2349423C3
Authority
DE
Germany
Prior art keywords
layer
magnetoresistive
converter
elements
magnetic field
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
DE2349423A
Other languages
German (de)
English (en)
Other versions
DE2349423B2 (de
DE2349423A1 (de
Inventor
George William Brock
Richard Lewis O'day
Frank Boyd Longmont Shelledy
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
Priority claimed from US00296743A external-priority patent/US3814863A/en
Priority claimed from US00296742A external-priority patent/US3813692A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE2349423A1 publication Critical patent/DE2349423A1/de
Publication of DE2349423B2 publication Critical patent/DE2349423B2/de
Application granted granted Critical
Publication of DE2349423C3 publication Critical patent/DE2349423C3/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • 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
    • 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
    • G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Measuring Magnetic Variables (AREA)
DE2349423A 1972-10-11 1973-10-02 Magnetoresistiver Wandler zur Ermittlung magnetischer Feldstärken und Schaltung zum Betrieb des Wandlers Expired DE2349423C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00296743A US3814863A (en) 1972-10-11 1972-10-11 Internally biased magnetoresistive magnetic transducer
US00296742A US3813692A (en) 1972-10-11 1972-10-11 Internally biased magnetoresistive magnetic transducer

Publications (3)

Publication Number Publication Date
DE2349423A1 DE2349423A1 (de) 1974-04-18
DE2349423B2 DE2349423B2 (de) 1978-11-09
DE2349423C3 true DE2349423C3 (de) 1979-07-19

Family

ID=26969802

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2349423A Expired DE2349423C3 (de) 1972-10-11 1973-10-02 Magnetoresistiver Wandler zur Ermittlung magnetischer Feldstärken und Schaltung zum Betrieb des Wandlers

Country Status (3)

Country Link
CH (1) CH569289A5 (enExample)
DE (1) DE2349423C3 (enExample)
NL (1) NL180552C (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS576962Y2 (enExample) 1974-07-26 1982-02-09
JPS58154615A (ja) * 1982-03-10 1983-09-14 Copal Co Ltd 磁気検出装置

Also Published As

Publication number Publication date
DE2349423B2 (de) 1978-11-09
NL180552B (nl) 1986-10-01
CH569289A5 (enExample) 1975-11-14
DE2349423A1 (de) 1974-04-18
NL180552C (nl) 1987-03-02
NL7312099A (enExample) 1974-04-16

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)