FR2368777A1 - Tete de lecture, munie d'un element a magnetoresistance - Google Patents

Tete de lecture, munie d'un element a magnetoresistance

Info

Publication number
FR2368777A1
FR2368777A1 FR7731451A FR7731451A FR2368777A1 FR 2368777 A1 FR2368777 A1 FR 2368777A1 FR 7731451 A FR7731451 A FR 7731451A FR 7731451 A FR7731451 A FR 7731451A FR 2368777 A1 FR2368777 A1 FR 2368777A1
Authority
FR
France
Prior art keywords
axis
reading head
easy magnetization
magnetic
magnetoresistor element
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.)
Granted
Application number
FR7731451A
Other languages
English (en)
French (fr)
Other versions
FR2368777B1 (enExample
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
Publication of FR2368777A1 publication Critical patent/FR2368777A1/fr
Application granted granted Critical
Publication of FR2368777B1 publication Critical patent/FR2368777B1/fr
Granted 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)
FR7731451A 1976-10-19 1977-10-19 Tete de lecture, munie d'un element a magnetoresistance Granted FR2368777A1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2368777A1 true FR2368777A1 (fr) 1978-05-19
FR2368777B1 FR2368777B1 (enExample) 1984-06-08

Family

ID=19827074

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7731451A Granted FR2368777A1 (fr) 1976-10-19 1977-10-19 Tete de lecture, munie d'un element a magnetoresistance

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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1507880A (fr) * 1966-01-19 1967-12-29 Ampex Tête magnétorésistive
GB1272044A (en) * 1971-02-22 1972-04-26 Mullard Ltd Improvements in or relating to magnetoresistive readout transducers
FR2257975A1 (enExample) * 1973-09-20 1975-08-08 Ibm
FR2266253A1 (enExample) * 1974-04-01 1975-10-24 Philips Nv
US3940797A (en) * 1973-09-20 1976-02-24 International Business Machines Corporation Shielded magnetoresistive magnetic transducer
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1507880A (fr) * 1966-01-19 1967-12-29 Ampex Tête magnétorésistive
GB1272044A (en) * 1971-02-22 1972-04-26 Mullard Ltd Improvements in or relating to magnetoresistive readout transducers
FR2257975A1 (enExample) * 1973-09-20 1975-08-08 Ibm
US3940797A (en) * 1973-09-20 1976-02-24 International Business Machines Corporation Shielded magnetoresistive magnetic transducer
FR2266253A1 (enExample) * 1974-04-01 1975-10-24 Philips Nv
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

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ABJP/77 *
EXBK/76 *
EXBK/77 *

Also Published As

Publication number Publication date
GB1539641A (en) 1979-01-31
JPS5713929B2 (enExample) 1982-03-20
CA1101120A (en) 1981-05-12
NL7611521A (nl) 1978-04-21
DE2744993A1 (de) 1978-04-20
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
ST Notification of lapse