ATE76213T1 - Verfahren zur herstellung eines mehrkoepfigen magnetwandlers. - Google Patents

Verfahren zur herstellung eines mehrkoepfigen magnetwandlers.

Info

Publication number
ATE76213T1
ATE76213T1 AT87402844T AT87402844T ATE76213T1 AT E76213 T1 ATE76213 T1 AT E76213T1 AT 87402844 T AT87402844 T AT 87402844T AT 87402844 T AT87402844 T AT 87402844T AT E76213 T1 ATE76213 T1 AT E76213T1
Authority
AT
Austria
Prior art keywords
core
turns
magnetic transducer
making
magnetic
Prior art date
Application number
AT87402844T
Other languages
English (en)
Inventor
Philippe Raulin
Bernard Cherbuy
Jean-Pierre Messer
Jacques Estavoyer
Original Assignee
Bull Sa
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 Bull Sa filed Critical Bull Sa
Application granted granted Critical
Publication of ATE76213T1 publication Critical patent/ATE76213T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/385—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material
    • B41J2/43—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material for magnetic printing
    • 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
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
    • Y10T29/49041—Fabricating head structure or component thereof including measuring or testing with significant slider/housing shaping or treating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/4906—Providing winding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49169—Assembling electrical component directly to terminal or elongated conductor
    • Y10T29/49171—Assembling electrical component directly to terminal or elongated conductor with encapsulating
    • Y10T29/49172—Assembling electrical component directly to terminal or elongated conductor with encapsulating by molding of insulating material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Dc-Dc Converters (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
AT87402844T 1987-01-16 1987-12-14 Verfahren zur herstellung eines mehrkoepfigen magnetwandlers. ATE76213T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8700474A FR2609828A1 (fr) 1987-01-16 1987-01-16 Procede pour fabriquer un transducteur magnetique comportant plusieurs tetes
EP87402844A EP0277439B1 (de) 1987-01-16 1987-12-14 Verfahren zur Herstellung eines mehrköpfigen Magnetwandlers

Publications (1)

Publication Number Publication Date
ATE76213T1 true ATE76213T1 (de) 1992-05-15

Family

ID=9346989

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87402844T ATE76213T1 (de) 1987-01-16 1987-12-14 Verfahren zur herstellung eines mehrkoepfigen magnetwandlers.

Country Status (7)

Country Link
US (1) US4811476A (de)
EP (1) EP0277439B1 (de)
JP (1) JPS6464106A (de)
AT (1) ATE76213T1 (de)
CA (1) CA1307920C (de)
DE (1) DE3779100D1 (de)
FR (1) FR2609828A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2628876A1 (fr) * 1988-03-15 1989-09-22 Bull Sa Procede pour fabriquer un transducteur magnetique comportant plusieurs tetes, et transducteur magnetique obtenu selon ce procede
FR2807360B1 (fr) 2000-04-11 2002-10-31 Nipson Procede et dispositif de jonction de modules ou barrettes de tetes magnetographiques

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3648362A (en) * 1968-07-10 1972-03-14 Kokusai Denshin Denwa Co Ltd Method for producing a memory matrix
US3699619A (en) * 1969-07-30 1972-10-24 Tokyo Shibaura Electric Co Method for manufacturing a magnetic thin film memory element
US4251910A (en) * 1979-03-23 1981-02-24 Spin Physics, Inc. Method of making multitrack magnetic heads
US4412379A (en) * 1979-10-09 1983-11-01 Eastman Technology Inc. Method of manufacturing a multitrack magnetic head employing double helix structure
JPS5680815A (en) * 1979-12-07 1981-07-02 Fujitsu Ltd Production of magnetic head
US4700253A (en) * 1983-11-22 1987-10-13 Minnesota Mining And Manufacturing Company Slanted pole head for magnetic recording
FR2588989A1 (fr) * 1985-10-23 1987-04-24 Bull Sa Procede pour fabriquer un transducteur magnetique comportant plusieurs tetes
JPS62262210A (ja) * 1986-05-08 1987-11-14 Alps Electric Co Ltd 薄膜磁気ヘツドの製造方法
US4759120A (en) * 1986-05-30 1988-07-26 Bel Fuse Inc. Method for surface mounting a coil

Also Published As

Publication number Publication date
EP0277439A1 (de) 1988-08-10
CA1307920C (fr) 1992-09-29
FR2609828A1 (fr) 1988-07-22
US4811476A (en) 1989-03-14
DE3779100D1 (de) 1992-06-17
JPS6464106A (en) 1989-03-10
EP0277439B1 (de) 1992-05-13

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee