GB2296599B - Magnetic head and method of producing the same - Google Patents

Magnetic head and method of producing the same

Info

Publication number
GB2296599B
GB2296599B GB9526329A GB9526329A GB2296599B GB 2296599 B GB2296599 B GB 2296599B GB 9526329 A GB9526329 A GB 9526329A GB 9526329 A GB9526329 A GB 9526329A GB 2296599 B GB2296599 B GB 2296599B
Authority
GB
United Kingdom
Prior art keywords
producing
same
magnetic head
magnetic
head
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
GB9526329A
Other versions
GB2296599A (en
GB9526329D0 (en
Inventor
Hiroshi Sanpei
Koichi Hosoya
Junichi Watanabe
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.)
Mitsumi Electric Co Ltd
Original Assignee
Mitsumi Electric Co 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 Mitsumi Electric Co Ltd filed Critical Mitsumi Electric Co Ltd
Publication of GB9526329D0 publication Critical patent/GB9526329D0/en
Publication of GB2296599A publication Critical patent/GB2296599A/en
Application granted granted Critical
Publication of GB2296599B publication Critical patent/GB2296599B/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
    • G11B5/1274—Structure or manufacture of heads, e.g. inductive with "composite" cores, i.e. cores composed in some parts of magnetic particles and in some other parts of magnetic metal layers
    • G11B5/1276—Structure or manufacture of heads, e.g. inductive with "composite" cores, i.e. cores 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
    • G11B5/127—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
    • G11B5/1871—Shaping or contouring of the transducing or guiding surface
    • 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
    • G11B5/1878—"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 disposed immediately adjacent to the transducing gap, e.g. "Metal-In-Gap" structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
GB9526329A 1994-12-28 1995-12-22 Magnetic head and method of producing the same Expired - Fee Related GB2296599B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6339805A JPH08185606A (en) 1994-12-28 1994-12-28 Magnetic head and its production

Publications (3)

Publication Number Publication Date
GB9526329D0 GB9526329D0 (en) 1996-02-21
GB2296599A GB2296599A (en) 1996-07-03
GB2296599B true GB2296599B (en) 1998-09-23

Family

ID=18330985

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9526329A Expired - Fee Related GB2296599B (en) 1994-12-28 1995-12-22 Magnetic head and method of producing the same

Country Status (2)

Country Link
JP (1) JPH08185606A (en)
GB (1) GB2296599B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2167597A (en) * 1984-11-26 1986-05-29 Sony Corp Magnetic transducer heads and methods of making such heads
EP0279610A2 (en) * 1987-02-16 1988-08-24 Pioneer Electronic Corporation Method for producing a magnetic head
GB2201540A (en) * 1986-12-09 1988-09-01 Canon Denshi Kk Magnetic head and method for the production thereof
US5157569A (en) * 1990-05-25 1992-10-20 Hitachi, Ltd. Thin film magnetic head

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2167597A (en) * 1984-11-26 1986-05-29 Sony Corp Magnetic transducer heads and methods of making such heads
GB2201540A (en) * 1986-12-09 1988-09-01 Canon Denshi Kk Magnetic head and method for the production thereof
EP0279610A2 (en) * 1987-02-16 1988-08-24 Pioneer Electronic Corporation Method for producing a magnetic head
US5157569A (en) * 1990-05-25 1992-10-20 Hitachi, Ltd. Thin film magnetic head

Also Published As

Publication number Publication date
GB2296599A (en) 1996-07-03
GB9526329D0 (en) 1996-02-21
JPH08185606A (en) 1996-07-16

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Legal Events

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

Effective date: 20001222