FR2209154A1 - - Google Patents

Info

Publication number
FR2209154A1
FR2209154A1 FR7223939A FR7223939A FR2209154A1 FR 2209154 A1 FR2209154 A1 FR 2209154A1 FR 7223939 A FR7223939 A FR 7223939A FR 7223939 A FR7223939 A FR 7223939A FR 2209154 A1 FR2209154 A1 FR 2209154A1
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
FR7223939A
Other languages
French (fr)
Other versions
FR2209154B1 (en
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.)
INF CI INTERNA
Original Assignee
INF CI INTERNA
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 INF CI INTERNA filed Critical INF CI INTERNA
Priority to FR7223939A priority Critical patent/FR2209154B1/fr
Priority to BE132495A priority patent/BE801184A/en
Priority to HUIE579A priority patent/HU169204B/hu
Priority to US00373460A priority patent/US3846842A/en
Priority to IT68958/73A priority patent/IT991646B/en
Priority to NL7309181A priority patent/NL7309181A/xx
Priority to DE2333812A priority patent/DE2333812C3/en
Priority to GB3160773A priority patent/GB1431348A/en
Priority to ES416545A priority patent/ES416545A1/en
Publication of FR2209154A1 publication Critical patent/FR2209154A1/fr
Application granted granted Critical
Publication of FR2209154B1 publication Critical patent/FR2209154B1/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
    • G11B5/31—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)
FR7223939A 1972-07-03 1972-07-03 Expired FR2209154B1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR7223939A FR2209154B1 (en) 1972-07-03 1972-07-03
BE132495A BE801184A (en) 1972-07-03 1973-06-20 ADVANCED MAGNETIC TRANSDUCERS AND THEIR MANUFACTURING PROCESS
HUIE579A HU169204B (en) 1972-07-03 1973-06-21
US00373460A US3846842A (en) 1972-07-03 1973-06-25 Magnetic transducer structure
IT68958/73A IT991646B (en) 1972-07-03 1973-07-02 MAGNETIC TRANSDUCER AND PROCESS FOR ITS MANUFACTURING
NL7309181A NL7309181A (en) 1972-07-03 1973-07-02
DE2333812A DE2333812C3 (en) 1972-07-03 1973-07-03 Thin-film magnetic head and process for its manufacture
GB3160773A GB1431348A (en) 1972-07-03 1973-07-03 Magnetic transducer structures
ES416545A ES416545A1 (en) 1972-07-03 1973-07-03 Magnetic transducer structure

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2209154A1 true FR2209154A1 (en) 1974-06-28
FR2209154B1 FR2209154B1 (en) 1975-04-11

Family

ID=9101238

Family Applications (1)

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

Country Status (9)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028177A1 (en) * 1979-10-25 1981-05-06 COMPAGNIE INTERNATIONALE POUR L'INFORMATIQUE CII - HONEYWELL BULL (dite CII-HB) Integrated magnetic transducer

Families Citing this family (6)

* 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 (en) * 1975-01-10 1976-08-06 Cii IMPROVEMENTS EXPORTED TO STRUCTURES OF MAGNETIC HEADS OF THE TYPE CALLED "INTEGRATED"
US4092688A (en) * 1975-07-31 1978-05-30 Matsushita Electric Industrial Co. Ltd. Multi-track thin film magnetic head
DE2721201A1 (en) * 1977-05-11 1978-11-16 Siemens Ag METHOD FOR MANUFACTURING INTEGRATED MAGNETIC HEAD STRUCTURES
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1018550A (en) * 1963-09-05 1966-01-26 Ampex Improved parametric reproducing head
FR1562366A (en) * 1967-04-03 1969-04-04
FR1585686A (en) * 1967-09-18 1970-01-30

Family Cites Families (8)

* 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
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 (en) * 1969-10-17 1971-04-22 Philips Patentverwaltung Magnetic head
BE758053A (en) * 1969-10-28 1971-04-01 Commissariat Energie Atomique INTEGRATED MAGNETIC HEAD AND METHOD FOR MANUFACTURING THE SAID HEAD
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1018550A (en) * 1963-09-05 1966-01-26 Ampex Improved parametric reproducing head
FR1562366A (en) * 1967-04-03 1969-04-04
FR1585686A (en) * 1967-09-18 1970-01-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028177A1 (en) * 1979-10-25 1981-05-06 COMPAGNIE INTERNATIONALE POUR L'INFORMATIQUE CII - HONEYWELL BULL (dite CII-HB) Integrated magnetic transducer

Also Published As

Publication number Publication date
FR2209154B1 (en) 1975-04-11
GB1431348A (en) 1976-04-07
HU169204B (en) 1976-10-28
BE801184A (en) 1973-10-15
DE2333812B2 (en) 1980-07-10
DE2333812A1 (en) 1974-01-24
DE2333812C3 (en) 1981-11-19
US3846842A (en) 1974-11-05
NL7309181A (en) 1974-01-07
IT991646B (en) 1975-08-30
ES416545A1 (en) 1976-02-16

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse