IT1001159B - Procedimento per la fabbricazione di una pluralita di testine per re gistrazione magnetica - Google Patents

Procedimento per la fabbricazione di una pluralita di testine per re gistrazione magnetica

Info

Publication number
IT1001159B
IT1001159B IT42963/73A IT4296373A IT1001159B IT 1001159 B IT1001159 B IT 1001159B IT 42963/73 A IT42963/73 A IT 42963/73A IT 4296373 A IT4296373 A IT 4296373A IT 1001159 B IT1001159 B IT 1001159B
Authority
IT
Italy
Prior art keywords
gistration
heads
procedure
manufacture
magnetic
Prior art date
Application number
IT42963/73A
Other languages
English (en)
Original Assignee
Data Recording Instr Co
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 Data Recording Instr Co filed Critical Data Recording Instr Co
Application granted granted Critical
Publication of IT1001159B publication Critical patent/IT1001159B/it

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
    • 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)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
IT42963/73A 1972-12-29 1973-12-19 Procedimento per la fabbricazione di una pluralita di testine per re gistrazione magnetica IT1001159B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6015172A GB1409890A (en) 1972-12-29 1972-12-29 Manfuacture of magnetic elements for use in multi-track magnetic heads

Publications (1)

Publication Number Publication Date
IT1001159B true IT1001159B (it) 1976-04-20

Family

ID=10485115

Family Applications (1)

Application Number Title Priority Date Filing Date
IT42963/73A IT1001159B (it) 1972-12-29 1973-12-19 Procedimento per la fabbricazione di una pluralita di testine per re gistrazione magnetica

Country Status (5)

Country Link
US (1) US3927470A (it)
JP (1) JPS4998612A (it)
GB (1) GB1409890A (it)
IT (1) IT1001159B (it)
NL (1) NL7317125A (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4372036A (en) * 1974-10-29 1983-02-08 Spin Physics, Inc. Method of manufacturing a single-track video ferrite record/reproduce head
JPS5564619A (en) * 1978-11-07 1980-05-15 Matsushita Electric Ind Co Ltd Manufacture of magnetic head
JPS55117726A (en) * 1979-03-05 1980-09-10 Hitachi Ltd Manufacture of magnetic head
US4279633A (en) * 1980-03-18 1981-07-21 Matsushita Electric Industrial Co., Ltd. Method of producing magnetic head
US5778514A (en) * 1993-01-06 1998-07-14 Das Devices, Inc. Method for forming a transducing head
JPH103605A (ja) * 1996-06-13 1998-01-06 Sony Corp 磁気ヘッドの製造方法
US6018444A (en) * 1997-10-28 2000-01-25 Hewlett-Packard Company Batch fabricated servo write head having low write-gap linewidth variation
JP2004022022A (ja) * 2002-06-13 2004-01-22 Fuji Photo Film Co Ltd 磁気ヘッド

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3384954A (en) * 1965-12-07 1968-05-28 Ibm Making multitrack magnetic transducer
US3534470A (en) * 1968-01-04 1970-10-20 Ibm Process for assembling magnetic tape heads using a consumable fixture
US3601871A (en) * 1968-09-30 1971-08-31 Texas Instruments Inc Method for fabricating magnetic read-write head array and product
US3613228A (en) * 1969-07-02 1971-10-19 Ibm Manufacture of multielement magnetic head assemblies
US3737992A (en) * 1972-06-09 1973-06-12 Magnetic Head Corp Method of manufacturing multiple track, dual gap magnetic heads

Also Published As

Publication number Publication date
JPS4998612A (it) 1974-09-18
NL7317125A (it) 1974-07-02
US3927470A (en) 1975-12-23
GB1409890A (en) 1975-10-15

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