JPS61117706A - 磁気ヘツドの製造方法 - Google Patents

磁気ヘツドの製造方法

Info

Publication number
JPS61117706A
JPS61117706A JP23796684A JP23796684A JPS61117706A JP S61117706 A JPS61117706 A JP S61117706A JP 23796684 A JP23796684 A JP 23796684A JP 23796684 A JP23796684 A JP 23796684A JP S61117706 A JPS61117706 A JP S61117706A
Authority
JP
Japan
Prior art keywords
core
magnetic head
single crystal
ferrite
polycrystal
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.)
Granted
Application number
JP23796684A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0546602B2 (OSRAM
Inventor
Sumio Yamada
澄夫 山田
Shigeo Tanji
丹治　成生
Noboru Wakatsuki
昇 若月
Motoichiro Matsuzawa
松沢　素一郎
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.)
NGK Insulators Ltd
Fujitsu Ltd
Original Assignee
NGK Insulators Ltd
Fujitsu 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 NGK Insulators Ltd, Fujitsu Ltd filed Critical NGK Insulators Ltd
Priority to JP23796684A priority Critical patent/JPS61117706A/ja
Publication of JPS61117706A publication Critical patent/JPS61117706A/ja
Publication of JPH0546602B2 publication Critical patent/JPH0546602B2/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
    • G11B5/193—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features the pole pieces being ferrite or other magnetic particles
    • 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
    • G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP23796684A 1984-11-12 1984-11-12 磁気ヘツドの製造方法 Granted JPS61117706A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23796684A JPS61117706A (ja) 1984-11-12 1984-11-12 磁気ヘツドの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23796684A JPS61117706A (ja) 1984-11-12 1984-11-12 磁気ヘツドの製造方法

Publications (2)

Publication Number Publication Date
JPS61117706A true JPS61117706A (ja) 1986-06-05
JPH0546602B2 JPH0546602B2 (OSRAM) 1993-07-14

Family

ID=17023103

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23796684A Granted JPS61117706A (ja) 1984-11-12 1984-11-12 磁気ヘツドの製造方法

Country Status (1)

Country Link
JP (1) JPS61117706A (OSRAM)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49122724A (OSRAM) * 1973-03-26 1974-11-25
JPS5625222A (en) * 1979-08-02 1981-03-11 Ngk Insulators Ltd Magnetic head and its manufacture
JPS60138708A (ja) * 1983-12-27 1985-07-23 Ngk Insulators Ltd 磁気ヘッド用コアの製造法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49122724A (OSRAM) * 1973-03-26 1974-11-25
JPS5625222A (en) * 1979-08-02 1981-03-11 Ngk Insulators Ltd Magnetic head and its manufacture
JPS60138708A (ja) * 1983-12-27 1985-07-23 Ngk Insulators Ltd 磁気ヘッド用コアの製造法

Also Published As

Publication number Publication date
JPH0546602B2 (OSRAM) 1993-07-14

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term