KR890002825A - 자기저항 소자를 구비한 박막 자기헤드 - Google Patents

자기저항 소자를 구비한 박막 자기헤드 Download PDF

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Publication number
KR890002825A
KR890002825A KR1019880008674A KR880008674A KR890002825A KR 890002825 A KR890002825 A KR 890002825A KR 1019880008674 A KR1019880008674 A KR 1019880008674A KR 880008674 A KR880008674 A KR 880008674A KR 890002825 A KR890002825 A KR 890002825A
Authority
KR
South Korea
Prior art keywords
layer
magnetoresistive element
thin film
permeable material
magnetic head
Prior art date
Application number
KR1019880008674A
Other languages
English (en)
Inventor
요세푸스 마리아 뤼그로크 야코부스
찌렌 빅토르
Original Assignee
이반 밀러 레르너
엔.브이.필립스 글로아이람펜파브리켄
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 이반 밀러 레르너, 엔.브이.필립스 글로아이람펜파브리켄 filed Critical 이반 밀러 레르너
Publication of KR890002825A publication Critical patent/KR890002825A/ko

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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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • 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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
    • G11B5/3916—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide
    • G11B5/3919—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path
    • G11B5/3922—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure
    • G11B5/3925—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure the two parts being thin films
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0032—Transducing means or record carriers including or interacting with each other through interposition of, a physically controllable magnetic flux masking or focusing element
    • G11B2005/0034—Transducing means or record carriers including or interacting with each other through interposition of, a physically controllable magnetic flux masking or focusing element switchable at least locally between two different physical states, e.g. magnetic and non-magnetic
    • G11B2005/0037—Transducing means or record carriers including or interacting with each other through interposition of, a physically controllable magnetic flux masking or focusing element switchable at least locally between two different physical states, e.g. magnetic and non-magnetic using superconductive elements
    • 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/11—Shielding of head against electric or magnetic fields
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/872—Magnetic field shield

Abstract

내용 없음

Description

자기저항 소자를 구비한 박막 자기헤드
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 제1실시에의 개략 단면도, 제2도는 제2실시예의 개략 단면도.

Claims (4)

  1. 자기저항 소자를 포함하며 또한 자기저항 소자와 자기기록 매치를 자기저긍로 연결하는 페이스를 갖는 박막 자기헤드에 있어서, 자기저항 소자에서 멀리 이격되고 상기 페이스에 이웃한 이단부를 갖는 투자성 재료 제1층 및 이에 연립된 투자성 재료 제2층, 그리고 상기 두층 사이에 잇으면서 상기 자기저항 소자에 의해 연결되는 갭과, 상기 제1및 제2층에서 먼쪽의 자기저항 소자 측면에 위피하며 상기 페이스에서부터 뻗어 투자성 재료 제2층에 자기적으로 연결되는 투자성 재료 제3층을 포함하며, 상기 자기저항 소자와 투자성 재료 제3층 사이에는 초전도 재료층이 제공되는 것을 특징으로하는 박막 자기헤드.
  2. 제1항에 있어서, 상기 초전도 재료층은 자기저항 소자와 자기기록 매체를 자기적으로 연결하는 상기 페이스에서부터 뻗는 것을 특징으로 하는 박막 자기헤드.
  3. 제1항에 또는 제2항에 있어서, 초전도 재료로된 상기 또 하나의 층은 자기저항 소자에서 이격되어 투자성 재료로 된 제1및 제2층 측면에 제공됨을 특징으로하는 박막 자기헤드.
  4. 제1항 또는 제2항에 있어서, 상기 초전도 재료층은 자기저항 소자에서 이격되어 투자성 재료료된 제3층의 측면 뿐만 아니라 제1층 및 제2층의 측면에 제공됨을 특징으로하는 박막 자기헤드.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880008674A 1987-07-15 1988-07-13 자기저항 소자를 구비한 박막 자기헤드 KR890002825A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8701663A NL8701663A (nl) 1987-07-15 1987-07-15 Dunne film magneetkop met een magnetoweerstandselement.
NL8701663 1987-07-15

Publications (1)

Publication Number Publication Date
KR890002825A true KR890002825A (ko) 1989-04-11

Family

ID=19850313

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880008674A KR890002825A (ko) 1987-07-15 1988-07-13 자기저항 소자를 구비한 박막 자기헤드

Country Status (6)

Country Link
US (1) US4907115A (ko)
EP (1) EP0300559A1 (ko)
JP (1) JPS6430016A (ko)
KR (1) KR890002825A (ko)
CN (1) CN1030660A (ko)
NL (1) NL8701663A (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8701666A (nl) * 1987-07-15 1989-02-01 Philips Nv Magneetkop met een kern met een niet-magnetische spleet.
JP2728487B2 (ja) * 1989-02-08 1998-03-18 株式会社日立製作所 録再分離複合型磁気ヘッド
JPH0316007A (ja) * 1989-03-20 1991-01-24 Hitachi Ltd 磁気記録装置及び磁気ヘツド
NL9000546A (nl) * 1990-03-09 1991-10-01 Philips Nv Werkwijze voor het vervaardigen van een dunnefilm magneetkop alsmede een dunnefilm magneetkop vervaardigbaar volgens de werkwijze.
US5084794A (en) * 1990-03-29 1992-01-28 Eastman Kodak Company Shorted dual element magnetoresistive reproduce head exhibiting high density signal amplification
JP3200060B2 (ja) * 1990-09-12 2001-08-20 ソニー株式会社 薄膜磁気ヘッド
US5212611A (en) * 1991-07-16 1993-05-18 Storage Technology Corporation Integral read/write recording head with dual gap dimension
US5206774A (en) * 1991-07-26 1993-04-27 Storage Technology Corporation Process for making a magneto-resistive magnetic transducer having increased sensitivity and an improved flux path and the product made thereby
EP0651374A3 (en) * 1993-11-01 1995-09-06 Hewlett Packard Co Planar magnetoresistive head.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1522971A1 (de) * 1967-03-29 1969-10-30 Altenkirch Karl Adolf Gegenstand der Erfindung ist ein Verfahren zur Verbesserung der Dynamik und des Stoerabstandes eines Magnettonkopfes vermittels Schraeganordnung des Spaltes und Verwendung diamagnetischer Stoffe
US4255772A (en) * 1979-06-29 1981-03-10 International Business Machines Corporation Read/write magnetic head assembly with magnetoresistive sensor
JPS56145514A (en) * 1980-04-14 1981-11-12 Hitachi Ltd Thin-film magnetic head
JPS56156914A (en) * 1980-05-02 1981-12-03 Hitachi Ltd Thin-film magnetic head
NL8101962A (nl) * 1981-04-22 1982-11-16 Philips Nv Magnetische sensor.
NL8301188A (nl) * 1983-04-05 1984-11-01 Philips Nv Magneetkop met een dunne strook magnetoweerstandmateriaal als leeselement.
JPS6047223A (ja) * 1983-08-25 1985-03-14 Sony Corp 磁気抵抗効果型磁気ヘツド
JPS6069806A (ja) * 1983-09-26 1985-04-20 Sharp Corp 薄膜磁気ヘッド
JPS60154315A (ja) * 1984-01-20 1985-08-14 Sanyo Electric Co Ltd 磁気ヘツド

Also Published As

Publication number Publication date
JPS6430016A (en) 1989-01-31
US4907115A (en) 1990-03-06
CN1030660A (zh) 1989-01-25
EP0300559A1 (en) 1989-01-25
NL8701663A (nl) 1989-02-01

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