CA1101120A - Magneto-resistive reading head - Google Patents

Magneto-resistive reading head

Info

Publication number
CA1101120A
CA1101120A CA288,728A CA288728A CA1101120A CA 1101120 A CA1101120 A CA 1101120A CA 288728 A CA288728 A CA 288728A CA 1101120 A CA1101120 A CA 1101120A
Authority
CA
Canada
Prior art keywords
magneto
magnetization
magnetic
easy axis
resistive
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
CA288,728A
Other languages
English (en)
French (fr)
Inventor
Karel E. Kuijk
Frederik W. Gorter
Jan A.L. Potgiesser
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1101120A publication Critical patent/CA1101120A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
CA288,728A 1976-10-19 1977-10-14 Magneto-resistive reading head Expired CA1101120A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7611521 1976-10-19
NL7611521A NL7611521A (nl) 1976-10-19 1976-10-19 Magnetoweerstand leeskop.

Publications (1)

Publication Number Publication Date
CA1101120A true CA1101120A (en) 1981-05-12

Family

ID=19827074

Family Applications (1)

Application Number Title Priority Date Filing Date
CA288,728A Expired CA1101120A (en) 1976-10-19 1977-10-14 Magneto-resistive reading head

Country Status (6)

Country Link
JP (1) JPS5352409A (enExample)
CA (1) CA1101120A (enExample)
DE (1) DE2744993C2 (enExample)
FR (1) FR2368777A1 (enExample)
GB (1) GB1539641A (enExample)
NL (1) NL7611521A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5559314A (en) * 1978-10-27 1980-05-02 Sony Corp Magnetic scale signal detector
JPS57109121A (en) * 1980-12-26 1982-07-07 Sony Corp Magnetic resistance effect type magnetic head
JPS6047223A (ja) * 1983-08-25 1985-03-14 Sony Corp 磁気抵抗効果型磁気ヘツド
KR920008235B1 (ko) * 1986-06-10 1992-09-25 야마하 가부시끼가이샤 엔코더용 자기 저항 센서
DE19601021B4 (de) * 1996-01-13 2004-11-18 Dr. Johannes Heidenhain Gmbh Magnetische Positionsmeßeinrichtung und Verfahren zu deren Betrieb

Family Cites Families (7)

* 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
GB1272044A (en) * 1971-02-22 1972-04-26 Mullard Ltd Improvements in or relating to magnetoresistive readout transducers
US3716781A (en) * 1971-10-26 1973-02-13 Ibm Magnetoresistive sensing device for detection of magnetic fields having a shape anisotropy field and uniaxial anisotropy field which are perpendicular
US3940797A (en) * 1973-09-20 1976-02-24 International Business Machines Corporation Shielded magnetoresistive magnetic transducer
US3881190A (en) * 1973-09-20 1975-04-29 Ibm Shielded magnetoresistive magnetic transducer and method of manufacture thereof
NL164410C (nl) * 1974-04-01 1980-12-15 Philips Nv Magnetoweerstand magneetkop.
JP2002530476A (ja) * 1998-11-16 2002-09-17 エクソンモービル・ケミカル・パテンツ・インク 可溶性複合アルコールエステル化合物及び組成物

Also Published As

Publication number Publication date
GB1539641A (en) 1979-01-31
JPS5713929B2 (enExample) 1982-03-20
NL7611521A (nl) 1978-04-21
DE2744993A1 (de) 1978-04-20
FR2368777A1 (fr) 1978-05-19
JPS5352409A (en) 1978-05-12
DE2744993C2 (de) 1986-08-21
FR2368777B1 (enExample) 1984-06-08

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Legal Events

Date Code Title Description
MKEX Expiry