GB1294903A - - Google Patents

Info

Publication number
GB1294903A
GB1294903A GB1294903DA GB1294903A GB 1294903 A GB1294903 A GB 1294903A GB 1294903D A GB1294903D A GB 1294903DA GB 1294903 A GB1294903 A GB 1294903A
Authority
GB
United Kingdom
Prior art keywords
insert
holder
magnetic
sintering
cystallizing
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
Other languages
English (en)
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 filed Critical
Publication of GB1294903A publication Critical patent/GB1294903A/en
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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/37—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect
    • G11B5/376—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect in semi-conductors
    • G11B5/378—Integrated structures
    • 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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/332—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only 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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/37—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect
    • 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
    • Y10T29/49059—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic with work positioning means

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
GB1294903D 1969-05-23 1970-05-20 Expired GB1294903A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44040469A JPS4912174B1 (enExample) 1969-05-23 1969-05-23

Publications (1)

Publication Number Publication Date
GB1294903A true GB1294903A (enExample) 1972-11-01

Family

ID=12581480

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1294903D Expired GB1294903A (enExample) 1969-05-23 1970-05-20

Country Status (7)

Country Link
US (1) US3686751A (enExample)
JP (1) JPS4912174B1 (enExample)
BE (1) BE750713A (enExample)
CH (1) CH517986A (enExample)
FR (1) FR2048749A5 (enExample)
GB (1) GB1294903A (enExample)
NL (1) NL7007476A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151574A (en) * 1974-05-24 1979-04-24 U.S. Philips Corporation Magnetic head using a magnetic field-sensitive element and method of manufacturing same
JPS5671819A (en) * 1979-11-14 1981-06-15 Olympus Optical Co Ltd Multichannel magnetic head and its manufacture
JPS56101617A (en) * 1980-01-18 1981-08-14 Olympus Optical Co Ltd Multichannel magnetic head and its manufacture
US5159511A (en) * 1987-04-01 1992-10-27 Digital Equipment Corporation Biasing conductor for MR head
US4907113A (en) * 1987-07-29 1990-03-06 Digital Equipment Corporation Three-pole magnetic recording head
US5103553A (en) * 1987-07-29 1992-04-14 Digital Equipment Corporation Method of making a magnetic recording head

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756280A (en) * 1953-04-21 1956-07-24 Rca Corp Multiple magnetic head construction
US2900451A (en) * 1955-08-24 1959-08-18 Ampex Magnetic transducing apparatus
NL301162A (enExample) * 1962-12-03
US3400386A (en) * 1964-05-27 1968-09-03 Magnetic Ind Inc Multichannel magnetic head assembly
US3411202A (en) * 1964-06-25 1968-11-19 Ibm Method of manufacturing recording heads

Also Published As

Publication number Publication date
JPS4912174B1 (enExample) 1974-03-22
FR2048749A5 (enExample) 1971-03-19
NL7007476A (enExample) 1970-11-25
CH517986A (fr) 1972-01-15
BE750713A (fr) 1970-11-03
DE2024865A1 (de) 1971-04-08
DE2024865B2 (de) 1976-01-29
US3686751A (en) 1972-08-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee