GB2260846B - Composite magnetic heads - Google Patents

Composite magnetic heads

Info

Publication number
GB2260846B
GB2260846B GB9214597A GB9214597A GB2260846B GB 2260846 B GB2260846 B GB 2260846B GB 9214597 A GB9214597 A GB 9214597A GB 9214597 A GB9214597 A GB 9214597A GB 2260846 B GB2260846 B GB 2260846B
Authority
GB
United Kingdom
Prior art keywords
magnetic heads
composite magnetic
composite
heads
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 - Fee Related
Application number
GB9214597A
Other versions
GB2260846A (en
GB9214597D0 (en
Inventor
Masanobu Yamazaki
Ryo Goto
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
Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Publication of GB9214597D0 publication Critical patent/GB9214597D0/en
Publication of GB2260846A publication Critical patent/GB2260846A/en
Application granted granted Critical
Publication of GB2260846B publication Critical patent/GB2260846B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/1875—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers
    • G11B5/1877—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film
    • 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/105—Mounting of head within housing or assembling of head and housing

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
GB9214597A 1991-07-11 1992-07-09 Composite magnetic heads Expired - Fee Related GB2260846B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17096091 1991-07-11

Publications (3)

Publication Number Publication Date
GB9214597D0 GB9214597D0 (en) 1992-08-19
GB2260846A GB2260846A (en) 1993-04-28
GB2260846B true GB2260846B (en) 1995-05-17

Family

ID=15914575

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9214597A Expired - Fee Related GB2260846B (en) 1991-07-11 1992-07-09 Composite magnetic heads

Country Status (1)

Country Link
GB (1) GB2260846B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154359A (en) * 1984-02-17 1985-09-04 Hitachi Metals Ltd Magnetic head
GB2217508A (en) * 1988-03-29 1989-10-25 Hitachi Metals Ltd Flying-type magnetic head
EP0431633A2 (en) * 1989-12-06 1991-06-12 Sony Corporation Magnetic transducer head for narrow track width recording
EP0451871A2 (en) * 1990-04-13 1991-10-16 Hitachi Metals, Ltd. Flying-type composite magnetic head

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154359A (en) * 1984-02-17 1985-09-04 Hitachi Metals Ltd Magnetic head
GB2217508A (en) * 1988-03-29 1989-10-25 Hitachi Metals Ltd Flying-type magnetic head
EP0431633A2 (en) * 1989-12-06 1991-06-12 Sony Corporation Magnetic transducer head for narrow track width recording
EP0451871A2 (en) * 1990-04-13 1991-10-16 Hitachi Metals, Ltd. Flying-type composite magnetic head

Also Published As

Publication number Publication date
GB2260846A (en) 1993-04-28
GB9214597D0 (en) 1992-08-19

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Legal Events

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

Effective date: 19970709