FR2272460A1 - - Google Patents

Info

Publication number
FR2272460A1
FR2272460A1 FR7516123A FR7516123A FR2272460A1 FR 2272460 A1 FR2272460 A1 FR 2272460A1 FR 7516123 A FR7516123 A FR 7516123A FR 7516123 A FR7516123 A FR 7516123A FR 2272460 A1 FR2272460 A1 FR 2272460A1
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
FR7516123A
Other languages
French (fr)
Other versions
FR2272460B1 (xx
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 FR2272460A1 publication Critical patent/FR2272460A1/fr
Application granted granted Critical
Publication of FR2272460B1 publication Critical patent/FR2272460B1/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
    • 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
    • G11B5/332—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using thin films
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
FR7516123A 1974-05-24 1975-05-23 Expired FR2272460B1 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7406962A NL7406962A (nl) 1974-05-24 1974-05-24 Magneetkop welke gebruik maakt van een mag- neetveldgevoelig element en werkwijze voor het vervaardigen daarvan.

Publications (2)

Publication Number Publication Date
FR2272460A1 true FR2272460A1 (xx) 1975-12-19
FR2272460B1 FR2272460B1 (xx) 1978-09-01

Family

ID=19821421

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7516123A Expired FR2272460B1 (xx) 1974-05-24 1975-05-23

Country Status (8)

Country Link
JP (1) JPS51319A (xx)
BE (1) BE829374A (xx)
CA (1) CA1047161A (xx)
DE (1) DE2522861C3 (xx)
FR (1) FR2272460B1 (xx)
GB (1) GB1497575A (xx)
IT (1) IT1038346B (xx)
NL (1) NL7406962A (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402270A1 (fr) * 1977-09-02 1979-03-30 Magnex Corp Procede de fabrication d'une tete de transducteur magnetique et tete obtenue par ce procede
FR2671220A1 (fr) * 1990-12-27 1992-07-03 Thomson Csf Procede de fabrication de capteurs magneto-resistifs, et dispositif magnetique realise suivant un tel procede.

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3204184A1 (de) * 1982-02-06 1983-08-11 Robert Bosch Gmbh, 7000 Stuttgart Duennschicht-mehrspur-magnetkopf hoher spurdichte
NL8201846A (nl) * 1982-05-06 1983-12-01 Philips Nv Sensor met een magneetveldgevoelig element en werkwijze voor het vervaardigen daarvan.
JPH0626008B2 (ja) * 1984-11-16 1994-04-06 三洋電機株式会社 磁気抵抗効果型磁気ヘツド
DE3564052D1 (en) * 1984-12-21 1988-09-01 Siemens Ag Thin-film magnetic head on a non-magnetic substrate for perpendicular magnetization

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5229607B2 (xx) * 1972-01-01 1977-08-03

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402270A1 (fr) * 1977-09-02 1979-03-30 Magnex Corp Procede de fabrication d'une tete de transducteur magnetique et tete obtenue par ce procede
FR2671220A1 (fr) * 1990-12-27 1992-07-03 Thomson Csf Procede de fabrication de capteurs magneto-resistifs, et dispositif magnetique realise suivant un tel procede.
EP0497069A1 (fr) * 1990-12-27 1992-08-05 Thomson-Csf Procédé de fabrication de capteurs magnéto-résistifs, et dispositif magnétique réalisé suivant un tel procédé

Also Published As

Publication number Publication date
FR2272460B1 (xx) 1978-09-01
CA1047161A (en) 1979-01-23
NL7406962A (nl) 1975-11-26
DE2522861C3 (de) 1978-12-21
BE829374A (fr) 1975-11-24
GB1497575A (en) 1978-01-12
DE2522861A1 (de) 1975-12-04
JPS51319A (en) 1976-01-06
IT1038346B (it) 1979-11-20
DE2522861B2 (de) 1978-04-27

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Legal Events

Date Code Title Description
ST Notification of lapse