KR880002125A - 자기 헤드 - Google Patents

자기 헤드 Download PDF

Info

Publication number
KR880002125A
KR880002125A KR1019870007126A KR870007126A KR880002125A KR 880002125 A KR880002125 A KR 880002125A KR 1019870007126 A KR1019870007126 A KR 1019870007126A KR 870007126 A KR870007126 A KR 870007126A KR 880002125 A KR880002125 A KR 880002125A
Authority
KR
South Korea
Prior art keywords
magnetic head
ferrite
magnetic
single crystal
crystal ferrite
Prior art date
Application number
KR1019870007126A
Other languages
English (en)
Other versions
KR960005400B1 (ko
Inventor
히라쿠 아키호
히데아키 가라몬
사다유키 니시우치
도루 스가이
Original Assignee
오가 노리오
소니 가부시키가이샤
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 오가 노리오, 소니 가부시키가이샤 filed Critical 오가 노리오
Publication of KR880002125A publication Critical patent/KR880002125A/ko
Application granted granted Critical
Publication of KR960005400B1 publication Critical patent/KR960005400B1/ko

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
    • 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
    • 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

Landscapes

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

Abstract

내용 없음

Description

자기 헤드
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본원 발명을 적용한 자기헤드의 일례를 나타내는 외관 사시도
제2도는 제1도 A-A선에 있어서의 단면도
제3도는 단결정 페라이트부의 길이와 접동(摺動) 노이즈 레벨의 관계를 나타내는 특성도

Claims (1)

  1. 자기기록 매체의 접동 접촉 부분에 단결정 페라이트를 사용하고, 후부 자기회로를 구성하는 부분에 다결정 페라이트를 사용한 복합형 자기헤드에 있어서, 상기 단결정 페라이트와 다결정 페라이트의 접합계면에 산화물자성 박막을 형성한 것을 특징으로 하는 자기헤드.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870007126A 1986-07-07 1987-07-04 자기헤드 KR960005400B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP86-158987 1986-07-07
JP61158987A JPH0785291B2 (ja) 1986-07-07 1986-07-07 磁気ヘツド
JP158987 1986-07-07

Publications (2)

Publication Number Publication Date
KR880002125A true KR880002125A (ko) 1988-04-29
KR960005400B1 KR960005400B1 (ko) 1996-04-24

Family

ID=15683740

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870007126A KR960005400B1 (ko) 1986-07-07 1987-07-04 자기헤드

Country Status (3)

Country Link
US (1) US4787004A (ko)
JP (1) JPH0785291B2 (ko)
KR (1) KR960005400B1 (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2513205B2 (ja) * 1987-02-04 1996-07-03 ソニー株式会社 複合磁気ヘツド
JPS63205809A (ja) * 1987-02-20 1988-08-25 Canon Inc 磁気ヘツド
JPH0730465B2 (ja) * 1989-01-09 1995-04-05 日本碍子株式会社 負圧形磁気ヘッドスライダ及びその製造方法
JPH05114110A (ja) * 1991-10-22 1993-05-07 Hitachi Metals Ltd 磁歪振動ノイズを減少させた浮上型磁気ヘツド
EP0541156B1 (en) * 1991-11-04 1997-04-09 Koninklijke Philips Electronics N.V. Magnetic head having a core portion of polycrystalline MnZn ferroferrite
JPH10188212A (ja) * 1996-12-25 1998-07-21 Sony Corp 磁気ヘッド

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54121108A (en) * 1978-03-13 1979-09-20 Akai Electric Mnnzn ferrite monocrystal magnetic head and method of fabricating same

Also Published As

Publication number Publication date
KR960005400B1 (ko) 1996-04-24
JPH0785291B2 (ja) 1995-09-13
JPS6314311A (ja) 1988-01-21
US4787004A (en) 1988-11-22

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A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20070330

Year of fee payment: 12

LAPS Lapse due to unpaid annual fee