JPH0481803B2 - - Google Patents

Info

Publication number
JPH0481803B2
JPH0481803B2 JP59194876A JP19487684A JPH0481803B2 JP H0481803 B2 JPH0481803 B2 JP H0481803B2 JP 59194876 A JP59194876 A JP 59194876A JP 19487684 A JP19487684 A JP 19487684A JP H0481803 B2 JPH0481803 B2 JP H0481803B2
Authority
JP
Japan
Prior art keywords
magnetic
core
core half
head
protrusion
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
JP59194876A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6174113A (ja
Inventor
Takeshi Totsutori
Hideo Fujiwara
Masashi Hayashi
Akira Usui
Takayuki Kumasaka
Moichi Ootomo
Sanehiro Kudo
Kyoshi Ishihara
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
Maxell Ltd
Original Assignee
Hitachi Ltd
Hitachi Maxell 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, Hitachi Maxell Ltd filed Critical Hitachi Ltd
Priority to JP19487684A priority Critical patent/JPS6174113A/ja
Priority to DE8585111724T priority patent/DE3584607D1/de
Priority to EP85111724A priority patent/EP0179269B1/en
Priority to US06/777,744 priority patent/US4701819A/en
Publication of JPS6174113A publication Critical patent/JPS6174113A/ja
Publication of JPH0481803B2 publication Critical patent/JPH0481803B2/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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
    • 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)
JP19487684A 1984-09-19 1984-09-19 磁気ヘツド Granted JPS6174113A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP19487684A JPS6174113A (ja) 1984-09-19 1984-09-19 磁気ヘツド
DE8585111724T DE3584607D1 (de) 1984-09-19 1985-09-17 Magnetkopf.
EP85111724A EP0179269B1 (en) 1984-09-19 1985-09-17 Magnetic head
US06/777,744 US4701819A (en) 1984-09-19 1985-09-19 Magnetic head to effect high density magnetic recording

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19487684A JPS6174113A (ja) 1984-09-19 1984-09-19 磁気ヘツド

Publications (2)

Publication Number Publication Date
JPS6174113A JPS6174113A (ja) 1986-04-16
JPH0481803B2 true JPH0481803B2 (en]) 1992-12-25

Family

ID=16331780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19487684A Granted JPS6174113A (ja) 1984-09-19 1984-09-19 磁気ヘツド

Country Status (1)

Country Link
JP (1) JPS6174113A (en])

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS598120A (ja) * 1982-07-05 1984-01-17 Sharp Corp 磁気ヘツドの製造方法
JPS5922213A (ja) * 1982-07-27 1984-02-04 Nec Home Electronics Ltd 磁気ヘツド

Also Published As

Publication number Publication date
JPS6174113A (ja) 1986-04-16

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