CA1235483A - Magnetic transducer head - Google Patents

Magnetic transducer head

Info

Publication number
CA1235483A
CA1235483A CA000476839A CA476839A CA1235483A CA 1235483 A CA1235483 A CA 1235483A CA 000476839 A CA000476839 A CA 000476839A CA 476839 A CA476839 A CA 476839A CA 1235483 A CA1235483 A CA 1235483A
Authority
CA
Canada
Prior art keywords
magnetic
metal thin
transducer head
thin film
film
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
CA000476839A
Other languages
English (en)
French (fr)
Inventor
Tomio Kobayashi
Junichi Saito
Heikichi Sato
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 CA1235483A publication Critical patent/CA1235483A/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)
CA000476839A 1984-03-29 1985-03-19 Magnetic transducer head Expired CA1235483A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61852/84 1984-03-29
JP59061852A JPS60205808A (ja) 1984-03-29 1984-03-29 磁気ヘツド

Publications (1)

Publication Number Publication Date
CA1235483A true CA1235483A (en) 1988-04-19

Family

ID=13183036

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000476839A Expired CA1235483A (en) 1984-03-29 1985-03-19 Magnetic transducer head

Country Status (3)

Country Link
JP (1) JPS60205808A (ja)
KR (1) KR930002392B1 (ja)
CA (1) CA1235483A (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62141613A (ja) * 1985-12-17 1987-06-25 Matsushita Electric Ind Co Ltd 磁気ヘツド
JPH0772927B2 (ja) * 1985-12-18 1995-08-02 ソニー株式会社 磁気ヘツド
JPS62145511A (ja) * 1985-12-20 1987-06-29 Hitachi Ltd 磁気ヘツド
JPH0758527B2 (ja) * 1986-01-10 1995-06-21 株式会社日立製作所 磁気ヘツド
JPS62291709A (ja) * 1986-06-10 1987-12-18 Akai Electric Co Ltd 磁気ヘツドの製造方法
JPH0656645B2 (ja) * 1986-06-13 1994-07-27 アルプス電気株式会社 磁気ヘツド
JPH0727612B2 (ja) * 1986-12-09 1995-03-29 アルプス電気株式会社 磁気ヘツドコア
JP2567725B2 (ja) * 1990-08-31 1996-12-25 三洋電機株式会社 浮動型磁気ヘッドの製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117723A (en) * 1979-02-28 1980-09-10 Sony Corp Magnetic head
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
JPS59142716A (ja) * 1983-02-04 1984-08-16 Hitachi Ltd 磁気ヘツドおよびその製造方法

Also Published As

Publication number Publication date
JPS60205808A (ja) 1985-10-17
JPH0475563B2 (ja) 1992-12-01
KR850006946A (ko) 1985-10-25
KR930002392B1 (ko) 1993-03-30

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Legal Events

Date Code Title Description
MKEX Expiry