JPS6333205B2 - - Google Patents

Info

Publication number
JPS6333205B2
JPS6333205B2 JP56089779A JP8977981A JPS6333205B2 JP S6333205 B2 JPS6333205 B2 JP S6333205B2 JP 56089779 A JP56089779 A JP 56089779A JP 8977981 A JP8977981 A JP 8977981A JP S6333205 B2 JPS6333205 B2 JP S6333205B2
Authority
JP
Japan
Prior art keywords
magnetic
ferrite
piece
slot
slots
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.)
Expired
Application number
JP56089779A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5746316A (en
Inventor
Waiichan Cho Uiriamu
Suchuaato Fuiiruzu Junia Deebisu
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of JPS5746316A publication Critical patent/JPS5746316A/ja
Publication of JPS6333205B2 publication Critical patent/JPS6333205B2/ja
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
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
    • 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
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
    • G11B5/295—Manufacture
    • 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
    • Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
    • 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
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP56089779A 1980-09-02 1981-06-12 Multitrack magnetic head and method of producing same Granted JPS5746316A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/183,559 US4366518A (en) 1980-09-02 1980-09-02 Multi-track head assembly

Publications (2)

Publication Number Publication Date
JPS5746316A JPS5746316A (en) 1982-03-16
JPS6333205B2 true JPS6333205B2 (OSRAM) 1988-07-04

Family

ID=22673328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56089779A Granted JPS5746316A (en) 1980-09-02 1981-06-12 Multitrack magnetic head and method of producing same

Country Status (4)

Country Link
US (1) US4366518A (OSRAM)
EP (1) EP0047383B1 (OSRAM)
JP (1) JPS5746316A (OSRAM)
DE (1) DE3164561D1 (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4396967A (en) * 1981-04-13 1983-08-02 International Business Machines Corporation Multielement magnetic head assembly
US4797767A (en) * 1986-11-20 1989-01-10 American Magnetics Corporation Digital magnetic head structure
US5211734A (en) * 1989-03-31 1993-05-18 Tdk Corporation Method for making a magnetic head having surface-reinforced glass
US5055957A (en) * 1989-06-19 1991-10-08 International Business Machines Corporation Method of making low wear glass for magnetic heads

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2785038A (en) * 1952-06-02 1957-03-12 Rca Corp Magnetic transducer
US2840643A (en) * 1955-04-04 1958-06-24 Hughes Aircraft Co Integral transformer electromagnetic transducer
NL253072A (OSRAM) * 1959-06-04
US3354540A (en) * 1961-04-07 1967-11-28 Philips Corp Method of manufacturing reliable magnetic heads having accurately predetermined dimensions
US3613228A (en) * 1969-07-02 1971-10-19 Ibm Manufacture of multielement magnetic head assemblies
US3655923A (en) * 1970-02-02 1972-04-11 Ceramic Magnetics Inc Preformed multiple track magnetic head assembly
US3943624A (en) * 1975-01-24 1976-03-16 U. S. Philips Corporation Method of manufacturing a magnetic head
GB1529967A (en) * 1977-04-28 1978-10-25 Bicc Ltd Magnetic cores

Also Published As

Publication number Publication date
JPS5746316A (en) 1982-03-16
EP0047383A1 (en) 1982-03-17
DE3164561D1 (en) 1984-08-09
EP0047383B1 (en) 1984-07-04
US4366518A (en) 1982-12-28

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