GB2139404B - Magnetic head core and manufacturing method - Google Patents

Magnetic head core and manufacturing method

Info

Publication number
GB2139404B
GB2139404B GB08409966A GB8409966A GB2139404B GB 2139404 B GB2139404 B GB 2139404B GB 08409966 A GB08409966 A GB 08409966A GB 8409966 A GB8409966 A GB 8409966A GB 2139404 B GB2139404 B GB 2139404B
Authority
GB
United Kingdom
Prior art keywords
manufacturing
magnetic head
head core
core
magnetic
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
GB08409966A
Other versions
GB2139404A (en
GB8409966D0 (en
Inventor
Kiyotaka Yamauchi
Yasuo Yamada
Atsushi Oguchi
Minoru Otaguchi
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.)
Proterial Ltd
Original Assignee
Hitachi Metals Ltd
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
Priority claimed from JP58067741A external-priority patent/JPS59193246A/en
Priority claimed from JP58067740A external-priority patent/JPS59193245A/en
Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Publication of GB8409966D0 publication Critical patent/GB8409966D0/en
Publication of GB2139404A publication Critical patent/GB2139404A/en
Application granted granted Critical
Publication of GB2139404B publication Critical patent/GB2139404B/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
    • 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Heads (AREA)
GB08409966A 1983-04-19 1984-04-17 Magnetic head core and manufacturing method Expired GB2139404B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58067741A JPS59193246A (en) 1983-04-19 1983-04-19 Alloy for magnetic head
JP58067740A JPS59193245A (en) 1983-04-19 1983-04-19 Alloy for magnetic head

Publications (3)

Publication Number Publication Date
GB8409966D0 GB8409966D0 (en) 1984-05-31
GB2139404A GB2139404A (en) 1984-11-07
GB2139404B true GB2139404B (en) 1986-10-08

Family

ID=26408953

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08409966A Expired GB2139404B (en) 1983-04-19 1984-04-17 Magnetic head core and manufacturing method

Country Status (2)

Country Link
DE (1) DE3414942A1 (en)
GB (1) GB2139404B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL175473C (en) * 1972-06-20 1984-11-01 Matsushita Electric Ind Co Ltd FERRITE CORE FOR A MAGNETIC HEAD AND METHOD FOR MANUFACTURING A FERRITE CORE.
JPS5524962B2 (en) * 1974-02-02 1980-07-02

Also Published As

Publication number Publication date
GB2139404A (en) 1984-11-07
GB8409966D0 (en) 1984-05-31
DE3414942A1 (en) 1985-01-17
DE3414942C2 (en) 1990-07-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee