FR2377681A1 - Tete magnetique dont le noyau est elabore sur un substrat a l'aide de la technique de minces couches - Google Patents

Tete magnetique dont le noyau est elabore sur un substrat a l'aide de la technique de minces couches

Info

Publication number
FR2377681A1
FR2377681A1 FR7801212A FR7801212A FR2377681A1 FR 2377681 A1 FR2377681 A1 FR 2377681A1 FR 7801212 A FR7801212 A FR 7801212A FR 7801212 A FR7801212 A FR 7801212A FR 2377681 A1 FR2377681 A1 FR 2377681A1
Authority
FR
France
Prior art keywords
head
magnetic head
substrate
thin layer
whose core
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
FR7801212A
Other languages
English (en)
Other versions
FR2377681B1 (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.)
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 FR2377681A1 publication Critical patent/FR2377681A1/fr
Application granted granted Critical
Publication of FR2377681B1 publication Critical patent/FR2377681B1/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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3176—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps
    • G11B5/3179—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps the films being mainly disposed in parallel planes
    • G11B5/3186—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps the films being mainly disposed in parallel planes parallel to the gap plane, e.g. "vertical head structure"
    • 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
    • G11B5/313—Disposition of layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)

Abstract

Tête magnétique réalisée suivant la technique des couches minces et dans laquelle le matériau magnétique électriquement conducteur du noyau est bobiné directement plusieurs fois autour d'un conducteur électrique qui assure l'excitation de la tête. Etant donné que de la sorte cette tête ne nécessite pas l'emploi de couches isolantes entre le matériau du noyau et le conducteur, la fabrication de la tête peut avoir lieu exclusivement par des techniques de galvanisation. Application : appareils d'enregistrement et/ou de reproduction.
FR7801212A 1977-01-17 1978-01-17 Tete magnetique dont le noyau est elabore sur un substrat a l'aide de la technique de minces couches Granted FR2377681A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7700416A NL7700416A (nl) 1977-01-17 1977-01-17 Magneetkop met een met behulp van dunne film technologie op een substraat aangebrachte kern.

Publications (2)

Publication Number Publication Date
FR2377681A1 true FR2377681A1 (fr) 1978-08-11
FR2377681B1 FR2377681B1 (fr) 1985-02-15

Family

ID=19827776

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7801212A Granted FR2377681A1 (fr) 1977-01-17 1978-01-17 Tete magnetique dont le noyau est elabore sur un substrat a l'aide de la technique de minces couches

Country Status (5)

Country Link
JP (1) JPS5390915A (fr)
DE (1) DE2800215C2 (fr)
FR (1) FR2377681A1 (fr)
GB (1) GB1560362A (fr)
NL (1) NL7700416A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599668A (en) * 1983-06-15 1986-07-08 Eastman Kodak Company Inductively-coupled, thin-film M-R head

Also Published As

Publication number Publication date
NL7700416A (nl) 1978-07-19
DE2800215C2 (de) 1982-04-22
FR2377681B1 (fr) 1985-02-15
JPS5390915A (en) 1978-08-10
DE2800215A1 (de) 1978-07-20
GB1560362A (en) 1980-02-06

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Legal Events

Date Code Title Description
ST Notification of lapse