NL8701663A - Dunne film magneetkop met een magnetoweerstandselement. - Google Patents

Dunne film magneetkop met een magnetoweerstandselement. Download PDF

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Publication number
NL8701663A
NL8701663A NL8701663A NL8701663A NL8701663A NL 8701663 A NL8701663 A NL 8701663A NL 8701663 A NL8701663 A NL 8701663A NL 8701663 A NL8701663 A NL 8701663A NL 8701663 A NL8701663 A NL 8701663A
Authority
NL
Netherlands
Prior art keywords
layer
magnetoresistance element
magnetic
magnetic head
layers
Prior art date
Application number
NL8701663A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8701663A priority Critical patent/NL8701663A/nl
Priority to JP63171712A priority patent/JPS6430016A/ja
Priority to US07/218,009 priority patent/US4907115A/en
Priority to CN88104405A priority patent/CN1030660A/zh
Priority to EP88201490A priority patent/EP0300559A1/de
Priority to KR1019880008674A priority patent/KR890002825A/ko
Publication of NL8701663A publication Critical patent/NL8701663A/nl

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
    • G11B5/33—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
NL8701663A 1987-07-15 1987-07-15 Dunne film magneetkop met een magnetoweerstandselement. NL8701663A (nl)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL8701663A NL8701663A (nl) 1987-07-15 1987-07-15 Dunne film magneetkop met een magnetoweerstandselement.
JP63171712A JPS6430016A (en) 1987-07-15 1988-07-08 Thin film magnetic head having magnetoresistance element
US07/218,009 US4907115A (en) 1987-07-15 1988-07-12 Super conducting thin-film magnetic head including a magnetoresistive element
CN88104405A CN1030660A (zh) 1987-07-15 1988-07-12 包括磁阻元件的薄膜磁头
EP88201490A EP0300559A1 (de) 1987-07-15 1988-07-12 Dünnfilmmagnetkopf mit einem Magnetwiderstandselement
KR1019880008674A KR890002825A (ko) 1987-07-15 1988-07-13 자기저항 소자를 구비한 박막 자기헤드

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
NL8701663A true NL8701663A (nl) 1989-02-01

Family

ID=19850313

Family Applications (1)

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

Country Status (6)

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

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 (de) * 1993-11-01 1995-09-06 Hewlett Packard Co Planarer magnetoresistiver Kopf.

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
KR890002825A (ko) 1989-04-11
EP0300559A1 (de) 1989-01-25
US4907115A (en) 1990-03-06
CN1030660A (zh) 1989-01-25

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Legal Events

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A1B A search report has been drawn up
BV The patent application has lapsed