CA1234626A - Magnetic transducer head - Google Patents

Magnetic transducer head

Info

Publication number
CA1234626A
CA1234626A CA000476838A CA476838A CA1234626A CA 1234626 A CA1234626 A CA 1234626A CA 000476838 A CA000476838 A CA 000476838A CA 476838 A CA476838 A CA 476838A CA 1234626 A CA1234626 A CA 1234626A
Authority
CA
Canada
Prior art keywords
magnetic
metal thin
thin film
transducer head
head according
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
CA000476838A
Other languages
English (en)
French (fr)
Inventor
Makoto Kubota
Tatsuo Kumura
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1234626A publication Critical patent/CA1234626A/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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • 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
    • 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)
CA000476838A 1984-06-18 1985-03-19 Magnetic transducer head Expired CA1234626A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP124805/84 1984-06-18
JP59124805A JPS613311A (ja) 1984-06-18 1984-06-18 磁気ヘツド

Publications (1)

Publication Number Publication Date
CA1234626A true CA1234626A (en) 1988-03-29

Family

ID=14894556

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000476838A Expired CA1234626A (en) 1984-06-18 1985-03-19 Magnetic transducer head

Country Status (3)

Country Link
JP (1) JPS613311A (cs)
KR (1) KR930002393B1 (cs)
CA (1) CA1234626A (cs)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62117706U (cs) * 1986-01-17 1987-07-27
JP2535819B2 (ja) * 1986-01-21 1996-09-18 ソニー株式会社 薄膜磁気ヘッドの製造方法
JPH0772926B2 (ja) * 1986-02-12 1995-08-02 ソニー株式会社 磁気ヘツドの製造方法
JPS644905A (en) * 1987-06-29 1989-01-10 Sony Corp Composite magnetic head
JPH01155509A (ja) * 1987-12-14 1989-06-19 Alps Electric Co Ltd 磁気ヘッド
JPH01177406U (cs) * 1988-05-31 1989-12-19
JPH02141911A (ja) * 1988-11-22 1990-05-31 Tdk Corp 磁気ヘッド
JPH02192006A (ja) * 1988-11-30 1990-07-27 Mitsumi Electric Co Ltd 磁気ヘッドとその製造方法
US5328583A (en) * 1991-11-05 1994-07-12 Canon Kabushiki Kaisha Sputtering apparatus and process for forming lamination film employing the apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55129921A (en) * 1980-02-06 1980-10-08 Nippon Gakki Seizo Kk Production of magnetic core
JPS56169214A (en) * 1980-06-02 1981-12-25 Nippon Hoso Kyokai <Nhk> Magnetic head
JPS58155513A (ja) * 1982-03-10 1983-09-16 Hitachi Ltd 複合型磁気ヘツドおよびその製造方法

Also Published As

Publication number Publication date
JPH0475566B2 (cs) 1992-12-01
KR860000629A (ko) 1986-01-29
KR930002393B1 (ko) 1993-03-30
JPS613311A (ja) 1986-01-09

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Legal Events

Date Code Title Description
MKEX Expiry