KR850007508A - 자기헤드 - Google Patents

자기헤드 Download PDF

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Publication number
KR850007508A
KR850007508A KR1019850000415A KR850000415A KR850007508A KR 850007508 A KR850007508 A KR 850007508A KR 1019850000415 A KR1019850000415 A KR 1019850000415A KR 850000415 A KR850000415 A KR 850000415A KR 850007508 A KR850007508 A KR 850007508A
Authority
KR
South Korea
Prior art keywords
thin film
metal thin
ferromagnetic
magnetic
magnetic head
Prior art date
Application number
KR1019850000415A
Other languages
English (en)
Other versions
KR930000067B1 (ko
Inventor
도미오(외 4) 고바야시
Original Assignee
오오가 노리오
소니 가부시끼가이샤
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 오오가 노리오, 소니 가부시끼가이샤 filed Critical 오오가 노리오
Publication of KR850007508A publication Critical patent/KR850007508A/ko
Application granted granted Critical
Publication of KR930000067B1 publication Critical patent/KR930000067B1/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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
    • 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
    • G11B5/1871—Shaping or contouring of the transducing or guiding surface
    • 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
    • G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers

Landscapes

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

Abstract

내용 없음

Description

자기헤드
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제3도는 본 발명의 일실시예의 자기헤드의 사시도. 제4도는 제3도의 자기헤드의 테이프 대접면을 확대하여 도시하는 평면도. 제5도는 VTR용 자기테이프의 방위각 기록 패턴도.
* 도면부호에 대한 설명
11a, 11b : 자기코아 반쪽체, 12a,12b : 강자성 금속박막, 13a,13b,14 : 비자성재, 11a′,11b′: 트랙폭 규제 凹부, 11a1′,11a2′,11b1′,11b2′: 경사단면, 41a,41b : 자기코아 반쪽체, 42a,42b : 강자성 금속박막, 43a,43b,44 : 비자성재, 41a′,41b′: 트랙폭 규제 凹부, 41a1′,41a2′,41b1′,41b2′: 경사단면.

Claims (1)

  1. 강자성 산화물로 이루어진 자기코아 반쪽체쌍의 접합면에 진공박막 형성기술에 의하여 강자성 금속박막을 형성하고, 이 자기코아 반쪽 체쌍을 맞붙혀서 자기 갭을 형성하여 이루어지는 자기헤드에 있어서, 자기 갭과 강자성 금속박막 형성면이 소정 각도로 경사져 있고, 상기 강자성 금속박막만에 의하여 자기 갭을 형성하고 테이프 대접면에 상기 강자성 금속박막과 상기 강자성 산화물 및 비자성재가 배치되고, 또한 상기 강자성 산화물과 상기 비자성재와의 경계면이 굴곡하고 있는 것을 특징으로 하는 자기헤드.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850000415A 1984-04-18 1985-01-23 자기헤드 KR930000067B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP78242 1984-04-18
JP59078242A JPS60223012A (ja) 1984-04-18 1984-04-18 磁気ヘツド

Publications (2)

Publication Number Publication Date
KR850007508A true KR850007508A (ko) 1985-12-04
KR930000067B1 KR930000067B1 (ko) 1993-01-08

Family

ID=13656549

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850000415A KR930000067B1 (ko) 1984-04-18 1985-01-23 자기헤드

Country Status (2)

Country Link
JP (1) JPS60223012A (ko)
KR (1) KR930000067B1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0690776B2 (ja) * 1985-08-12 1994-11-14 株式会社日立製作所 磁気ヘツド
JPH0770023B2 (ja) * 1985-11-26 1995-07-31 ソニー株式会社 磁気ヘツド
JPS62145516A (ja) * 1985-12-19 1987-06-29 Sony Corp 磁気ヘツド
JPS62145522A (ja) * 1985-12-20 1987-06-29 Hitachi Ltd 薄膜磁気ヘツド
JPS62298908A (ja) * 1986-06-18 1987-12-26 Sankyo Seiki Mfg Co Ltd 磁気ヘツド

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623A (en) * 1979-06-15 1981-01-06 Hitachi Ltd Magnetic head and its manufacture
JPS56169214A (en) * 1980-06-02 1981-12-25 Nippon Hoso Kyokai <Nhk> Magnetic head
JPS58143428A (ja) * 1982-02-19 1983-08-26 Sanyo Electric Co Ltd 磁気ヘツド
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
JPS58175122A (ja) * 1982-04-07 1983-10-14 Hitachi Ltd 磁気ヘッドおよびその製造方法

Also Published As

Publication number Publication date
JPS60223012A (ja) 1985-11-07
KR930000067B1 (ko) 1993-01-08
JPH0475564B2 (ko) 1992-12-01

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