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BE801184A - Transducteurs magnetiques perfectionnes et leur procede de fabrication - Google Patents

Transducteurs magnetiques perfectionnes et leur procede de fabrication

Info

Publication number
BE801184A
BE801184A BE132495A BE132495A BE801184A BE 801184 A BE801184 A BE 801184A BE 132495 A BE132495 A BE 132495A BE 132495 A BE132495 A BE 132495A BE 801184 A BE801184 A BE 801184A
Authority
BE
Belgium
Prior art keywords
manufacturing process
magnetic transducers
advanced magnetic
advanced
transducers
Prior art date
Application number
BE132495A
Other languages
English (en)
Inventor
J-P Lazzari
Original Assignee
Cii
Inf
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 Cii, Inf filed Critical Cii
Publication of BE801184A publication Critical patent/BE801184A/fr

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
    • 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
    • G11B5/17—Construction or disposition of windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
BE132495A 1972-07-03 1973-06-20 Transducteurs magnetiques perfectionnes et leur procede de fabrication BE801184A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7223939A FR2209154B1 (fr) 1972-07-03 1972-07-03

Publications (1)

Publication Number Publication Date
BE801184A true BE801184A (fr) 1973-10-15

Family

ID=9101238

Family Applications (1)

Application Number Title Priority Date Filing Date
BE132495A BE801184A (fr) 1972-07-03 1973-06-20 Transducteurs magnetiques perfectionnes et leur procede de fabrication

Country Status (9)

Country Link
US (1) US3846842A (fr)
BE (1) BE801184A (fr)
DE (1) DE2333812C3 (fr)
ES (1) ES416545A1 (fr)
FR (1) FR2209154B1 (fr)
GB (1) GB1431348A (fr)
HU (1) HU169204B (fr)
IT (1) IT991646B (fr)
NL (1) NL7309181A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4078300A (en) * 1975-01-10 1978-03-14 Compagnie Internationale Pour L'informatique Method of making an integrated magnetic head having pole-pieces of a reduced frontal width
FR2297475A1 (fr) * 1975-01-10 1976-08-06 Cii Perfectionnements exportes aux structures de tetes magnetiques du type dit " integre "
US4092688A (en) * 1975-07-31 1978-05-30 Matsushita Electric Industrial Co. Ltd. Multi-track thin film magnetic head
DE2721201A1 (de) * 1977-05-11 1978-11-16 Siemens Ag Verfahren zur herstellung integrierter magnetkopfstrukturen
US4219854A (en) * 1978-12-21 1980-08-26 International Business Machines Corporation Thin film magnetic head assembly
US4353102A (en) * 1979-07-04 1982-10-05 Matsushita Electric Industrial Co., Ltd. Thin-film magnetic head
FR2468183A1 (fr) * 1979-10-25 1981-04-30 Cii Honeywell Bull Transducteur magnetique integre

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344237A (en) * 1967-09-26 Desposited film transducing apparatus and method op producing the apparatus
US3089106A (en) * 1960-08-15 1963-05-07 Wheelock Signals Inc Printed circuit coil
GB1018550A (en) * 1963-09-05 1966-01-26 Ampex Improved parametric reproducing head
US3514851A (en) * 1967-04-03 1970-06-02 Control Data Corp Method of manufacturing a magnetic head structure
US3549825A (en) * 1967-09-18 1970-12-22 Ncr Co Magnetic transducer with planar spiral coil extending into the gap
US3564558A (en) * 1968-08-26 1971-02-16 Sperry Rand Corp High-density magnetic recording scheme
US3611417A (en) * 1969-07-30 1971-10-05 Sperry Rand Corp High-density magnetic recording method
DE1952402A1 (de) * 1969-10-17 1971-04-22 Philips Patentverwaltung Magnetkopf
BE758053A (fr) * 1969-10-28 1971-04-01 Commissariat Energie Atomique Tete magnetique integree et procede de fabrication de ladite tete
US3700827A (en) * 1970-01-31 1972-10-24 Nippon Electric Co Magnetic head including thin magnetic film separated by a gap spacer
US3639699A (en) * 1970-02-27 1972-02-01 Gen Electric Magnetic transducer having a composite magnetic core structure

Also Published As

Publication number Publication date
IT991646B (it) 1975-08-30
DE2333812A1 (de) 1974-01-24
US3846842A (en) 1974-11-05
NL7309181A (fr) 1974-01-07
GB1431348A (en) 1976-04-07
FR2209154B1 (fr) 1975-04-11
DE2333812B2 (de) 1980-07-10
HU169204B (fr) 1976-10-28
FR2209154A1 (fr) 1974-06-28
ES416545A1 (es) 1976-02-16
DE2333812C3 (de) 1981-11-19

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: HONEYWELL BULL S.A.

Effective date: 19870630