JPS5766522A - Thin-film magnetic head - Google Patents

Thin-film magnetic head

Info

Publication number
JPS5766522A
JPS5766522A JP14209080A JP14209080A JPS5766522A JP S5766522 A JPS5766522 A JP S5766522A JP 14209080 A JP14209080 A JP 14209080A JP 14209080 A JP14209080 A JP 14209080A JP S5766522 A JPS5766522 A JP S5766522A
Authority
JP
Japan
Prior art keywords
magnetic material
film
core
material film
coils
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.)
Pending
Application number
JP14209080A
Other languages
Japanese (ja)
Inventor
Katsuyuki Tanaka
Isao Oshima
Masamichi Yamada
Masakatsu Saito
Nobuhiro Tokuyado
Yoshihiko Noro
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP14209080A priority Critical patent/JPS5766522A/en
Publication of JPS5766522A publication Critical patent/JPS5766522A/en
Pending 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)

Abstract

PURPOSE:To increase a core inteval and core length while decreasing gap depth by forming a lower magnetic material film to the track widdh of a head by patterning, and by using an upper magnetic material film in common to respective channels. CONSTITUTION:A lower magnetic material film 11, made of an Fe-Si-Al magnetic material on a substrate 10, constitutes a lower core. An insulator film (SiO2) 42 is formed on the top surface of the lower magnetic material film 11, and conductor films 2 are formed on the insulator film 42 to form coils 21 and 21. The coils 21 and 21 are formed rectangularly and have multilayered structure, and polyamide resin 6 provided to the coils 21 and 21 flattens surfaces between the layers. An upper magnetic material film 12 made of an Ni-Pe magnetic material is so formed that the film thickness of a tapered part of the resin 6 does not decrese, and form an upper core. The lower and upper cores 11 and 12 constitute a magnetic circuit 1.
JP14209080A 1980-10-13 1980-10-13 Thin-film magnetic head Pending JPS5766522A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14209080A JPS5766522A (en) 1980-10-13 1980-10-13 Thin-film magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14209080A JPS5766522A (en) 1980-10-13 1980-10-13 Thin-film magnetic head

Publications (1)

Publication Number Publication Date
JPS5766522A true JPS5766522A (en) 1982-04-22

Family

ID=15307191

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14209080A Pending JPS5766522A (en) 1980-10-13 1980-10-13 Thin-film magnetic head

Country Status (1)

Country Link
JP (1) JPS5766522A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0107443A2 (en) * 1982-10-15 1984-05-02 Hitachi, Ltd. Magnetic recording and reproducing thin film head
US4631613A (en) * 1984-04-16 1986-12-23 Eastman Kodak Company Thin film head having improved saturation magnetization
US4713711A (en) * 1985-05-08 1987-12-15 International Business Machines Thin film magnetic transducer having center tapped winding
EP0926689A2 (en) * 1997-12-18 1999-06-30 National University of Ireland, Cork Magnetic components and their production

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0107443A2 (en) * 1982-10-15 1984-05-02 Hitachi, Ltd. Magnetic recording and reproducing thin film head
US4631613A (en) * 1984-04-16 1986-12-23 Eastman Kodak Company Thin film head having improved saturation magnetization
US4713711A (en) * 1985-05-08 1987-12-15 International Business Machines Thin film magnetic transducer having center tapped winding
EP0926689A2 (en) * 1997-12-18 1999-06-30 National University of Ireland, Cork Magnetic components and their production
EP0926689A3 (en) * 1997-12-18 1999-12-01 National University of Ireland, Cork Magnetic components and their production
US6150915A (en) * 1997-12-18 2000-11-21 National University Of Ireland, Cork Magnetic components and their production

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