JPH0475566B2 - - Google Patents

Info

Publication number
JPH0475566B2
JPH0475566B2 JP59124805A JP12480584A JPH0475566B2 JP H0475566 B2 JPH0475566 B2 JP H0475566B2 JP 59124805 A JP59124805 A JP 59124805A JP 12480584 A JP12480584 A JP 12480584A JP H0475566 B2 JPH0475566 B2 JP H0475566B2
Authority
JP
Japan
Prior art keywords
magnetic
metal thin
magnetic head
thin film
ferromagnetic
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 - Lifetime
Application number
JP59124805A
Other languages
English (en)
Japanese (ja)
Other versions
JPS613311A (ja
Inventor
Makoto Kubota
Tatsuo Hisamura
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
Priority to JP59124805A priority Critical patent/JPS613311A/ja
Priority to AU40056/85A priority patent/AU578273B2/en
Priority to US06/713,637 priority patent/US4819113A/en
Priority to CA000476838A priority patent/CA1234626A/en
Priority to GB08507362A priority patent/GB2158282B/en
Priority to NL8500887A priority patent/NL192638C/nl
Priority to AT0091685A priority patent/AT394117B/de
Priority to IT8547878A priority patent/IT1214654B/it
Priority to FR8504684A priority patent/FR2562304B1/fr
Priority to DE3511361A priority patent/DE3511361C2/de
Priority to KR1019850002622A priority patent/KR930002393B1/ko
Publication of JPS613311A publication Critical patent/JPS613311A/ja
Publication of JPH0475566B2 publication Critical patent/JPH0475566B2/ja
Granted 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)
JP59124805A 1984-03-29 1984-06-18 磁気ヘツド Granted JPS613311A (ja)

Priority Applications (11)

Application Number Priority Date Filing Date Title
JP59124805A JPS613311A (ja) 1984-06-18 1984-06-18 磁気ヘツド
AU40056/85A AU578273B2 (en) 1984-03-29 1985-03-18 Trahsdermal bopindolol compositions
US06/713,637 US4819113A (en) 1984-03-29 1985-03-19 Magnetic transducer head with inclined magnetic gap
CA000476838A CA1234626A (en) 1984-06-18 1985-03-19 Magnetic transducer head
GB08507362A GB2158282B (en) 1984-03-29 1985-03-21 Magnetic transducer heads
NL8500887A NL192638C (nl) 1984-03-29 1985-03-26 Magnetische transductorkop.
AT0091685A AT394117B (de) 1984-03-29 1985-03-27 Magnetwandlerkopf
IT8547878A IT1214654B (it) 1984-03-29 1985-03-27 Testa magnetica trasduttrice
FR8504684A FR2562304B1 (fr) 1984-03-29 1985-03-28 Tete de transducteur magnetique
DE3511361A DE3511361C2 (de) 1984-03-29 1985-03-28 Magnetischer Wandlerkopf
KR1019850002622A KR930002393B1 (ko) 1984-06-18 1985-04-18 자기헤드

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS613311A JPS613311A (ja) 1986-01-09
JPH0475566B2 true JPH0475566B2 (en]) 1992-12-01

Family

ID=14894556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59124805A Granted JPS613311A (ja) 1984-03-29 1984-06-18 磁気ヘツド

Country Status (3)

Country Link
JP (1) JPS613311A (en])
KR (1) KR930002393B1 (en])
CA (1) CA1234626A (en])

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62117706U (en]) * 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 (en]) * 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
KR930002393B1 (ko) 1993-03-30
JPS613311A (ja) 1986-01-09
CA1234626A (en) 1988-03-29
KR860000629A (ko) 1986-01-29

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term