FR2157876A1 - - Google Patents

Info

Publication number
FR2157876A1
FR2157876A1 FR7236791A FR7236791A FR2157876A1 FR 2157876 A1 FR2157876 A1 FR 2157876A1 FR 7236791 A FR7236791 A FR 7236791A FR 7236791 A FR7236791 A FR 7236791A FR 2157876 A1 FR2157876 A1 FR 2157876A1
Authority
FR
France
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.)
Granted
Application number
FR7236791A
Other versions
FR2157876B1 (fr
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 FR2157876A1 publication Critical patent/FR2157876A1/fr
Application granted granted Critical
Publication of FR2157876B1 publication Critical patent/FR2157876B1/fr
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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Measuring Magnetic Variables (AREA)
  • Hall/Mr Elements (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
FR7236791A 1971-10-26 1972-10-11 Expired FR2157876B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19390471A 1971-10-26 1971-10-26

Publications (2)

Publication Number Publication Date
FR2157876A1 true FR2157876A1 (fr) 1973-06-08
FR2157876B1 FR2157876B1 (fr) 1976-10-29

Family

ID=22715495

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7236791A Expired FR2157876B1 (fr) 1971-10-26 1972-10-11

Country Status (7)

Country Link
US (1) US3716781A (fr)
JP (1) JPS5037490B2 (fr)
CA (1) CA943665A (fr)
DE (1) DE2241906C2 (fr)
FR (1) FR2157876B1 (fr)
GB (1) GB1369573A (fr)
IT (1) IT967620B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973183A (en) * 1971-08-20 1976-08-03 Agency Of Industrial Science & Technology Method and apparatus for detecting uneven magnetic field by a change in resistance of semiconductor element
JPS575067B2 (fr) * 1973-07-13 1982-01-28
US3824573A (en) * 1973-07-19 1974-07-16 J Scarzello Magnetic bubble resonance sensor
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
US3864751A (en) * 1973-10-04 1975-02-04 Ibm Induced bias magnetoresistive read transducer
US3921218A (en) * 1973-12-26 1975-11-18 Honeywell Inf Systems Thin film magnetoresistive transducers with rotated magnetic easy axis
US3936883A (en) * 1974-12-27 1976-02-03 Ampex Corporation Magnetic bubble read/write head
JPS5927115B2 (ja) * 1974-12-29 1984-07-03 ソニー株式会社 情報検出装置
DE2607585C3 (de) * 1975-03-03 1982-02-11 Naamloze Vennootschap Philips' Gloeilampenfabrieken, 5621 Eindhoven Magnetische Anordnung zum Übertragen von Daten in Form von longitudinalen Magnetisierungsmustern
GB1545295A (en) * 1975-04-14 1979-05-10 Philips Electronic Associated Magnetoresistive read head
US4190871A (en) * 1975-06-13 1980-02-26 U.S. Philips Corporation Magnetic converter having a magnetoresistive element
NL7511483A (nl) * 1975-09-30 1977-04-01 Philips Nv Inrichting voor het uitlezen van magnetisatie- patronen.
US4048557A (en) * 1975-11-17 1977-09-13 Rockwell International Corporation Planar magnetoresistance thin film probe for magnetic field alignment
NL7611521A (nl) * 1976-10-19 1978-04-21 Philips Nv Magnetoweerstand leeskop.
US4418372A (en) * 1979-08-02 1983-11-29 Hitachi, Ltd. Magnetic rotary encoder
NL8101962A (nl) * 1981-04-22 1982-11-16 Philips Nv Magnetische sensor.
US4517515A (en) * 1981-06-03 1985-05-14 The United States Of America As Represented By The Secretary Of The Navy Magnetometer with a solid-state magnetic-field sensing means
US4504787A (en) * 1982-04-05 1985-03-12 Honeywell Inc. Electronic watthour meter
DE3447325A1 (de) * 1984-12-24 1986-06-26 Standard Elektrik Lorenz Ag Positionsgeber
JPH031800U (fr) * 1989-05-31 1991-01-09
US5307226A (en) * 1992-06-05 1994-04-26 Hewlett-Packard Company Improved magnetoresistive transducer with substantially perpendicular easy axis
DE19608730C2 (de) * 1996-03-06 1998-05-28 Siemens Ag Magnetfeldempfindlicher Sensor mit einem Dünnschichtaufbau und Verwendung des Sensors
DE102012208404A1 (de) * 2012-05-21 2013-11-21 Robert Bosch Gmbh Magnetische Differenzfeldsensoranordnung
US11169294B2 (en) * 2019-08-16 2021-11-09 Phoenix America, Inc. Narrow window magnetic proximity sensor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3493694A (en) * 1966-01-19 1970-02-03 Ampex Magnetoresistive head

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
REVUE AMERICAINE "JOURNAL OF APPLIED PHYSICS" VOL 42, NO. 4 , 15 MARS 1971, PAGES 1268-1269, ARTICLE DE ALMASI ET AUTRES, "MAGNETORESISTIVE DETECTOR FOR BUBBLE DOMAINS".) *

Also Published As

Publication number Publication date
CA943665A (en) 1974-03-12
DE2241906C2 (de) 1982-10-28
DE2241906A1 (de) 1973-05-03
GB1369573A (en) 1974-10-09
JPS5037490B2 (fr) 1975-12-03
IT967620B (it) 1974-03-11
FR2157876B1 (fr) 1976-10-29
JPS4852142A (fr) 1973-07-21
US3716781A (en) 1973-02-13

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Legal Events

Date Code Title Description
ST Notification of lapse