NL8301188A - Magneetkop met een dunne strook magnetoweerstandmateriaal als leeselement. - Google Patents

Magneetkop met een dunne strook magnetoweerstandmateriaal als leeselement. Download PDF

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Publication number
NL8301188A
NL8301188A NL8301188A NL8301188A NL8301188A NL 8301188 A NL8301188 A NL 8301188A NL 8301188 A NL8301188 A NL 8301188A NL 8301188 A NL8301188 A NL 8301188A NL 8301188 A NL8301188 A NL 8301188A
Authority
NL
Netherlands
Prior art keywords
magnetic
magnetic head
yoke
legs
reading element
Prior art date
Application number
NL8301188A
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 NL8301188A priority Critical patent/NL8301188A/nl
Priority to US06/593,073 priority patent/US4617600A/en
Priority to JP59065654A priority patent/JPS59186115A/ja
Priority to DE8484200466T priority patent/DE3467445D1/de
Priority to EP84200466A priority patent/EP0122660B1/en
Publication of NL8301188A publication Critical patent/NL8301188A/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
    • 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
    • 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
    • G11B5/332—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
NL8301188A 1983-04-05 1983-04-05 Magneetkop met een dunne strook magnetoweerstandmateriaal als leeselement. NL8301188A (nl)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL8301188A NL8301188A (nl) 1983-04-05 1983-04-05 Magneetkop met een dunne strook magnetoweerstandmateriaal als leeselement.
US06/593,073 US4617600A (en) 1983-04-05 1984-03-26 Magnetic head having a thin strip of magnetoresistive material as a reading element
JP59065654A JPS59186115A (ja) 1983-04-05 1984-04-02 磁気ヘツド
DE8484200466T DE3467445D1 (en) 1983-04-05 1984-04-03 Magnetic head having a thin strip of magnetoresistive material as a reading element
EP84200466A EP0122660B1 (en) 1983-04-05 1984-04-03 Magnetic head having a thin strip of magnetoresistive material as a reading element

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8301188 1983-04-05
NL8301188A NL8301188A (nl) 1983-04-05 1983-04-05 Magneetkop met een dunne strook magnetoweerstandmateriaal als leeselement.

Publications (1)

Publication Number Publication Date
NL8301188A true NL8301188A (nl) 1984-11-01

Family

ID=19841653

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8301188A NL8301188A (nl) 1983-04-05 1983-04-05 Magneetkop met een dunne strook magnetoweerstandmateriaal als leeselement.

Country Status (5)

Country Link
US (1) US4617600A (ja)
EP (1) EP0122660B1 (ja)
JP (1) JPS59186115A (ja)
DE (1) DE3467445D1 (ja)
NL (1) NL8301188A (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5225951A (en) * 1985-12-27 1993-07-06 Sharp Kabushiki Kaisha Thin film magnetic head with reduced internal stresses
NL8600390A (nl) * 1986-02-17 1987-09-16 Philips Nv Magneetkop met magnetoweerstandselement.
NL8701663A (nl) * 1987-07-15 1989-02-01 Philips Nv Dunne film magneetkop met een magnetoweerstandselement.
JP2563597B2 (ja) * 1989-08-04 1996-12-11 松下電器産業株式会社 複合型薄膜磁気ヘッド
US5107385A (en) * 1989-11-16 1992-04-21 Applied Magnetics Corporation Read head assembly for multiple-width tracks
US5164869A (en) * 1991-02-27 1992-11-17 International Business Machines Corporation Magnetic recording head with integrated magnetoresistive element and open yoke
US5646804A (en) * 1991-05-21 1997-07-08 Philips Electronics North America Corporation Thin film magnetic head having polymer on broken flux guide sections, method of producing and integrated structure incorporating same
US5270895A (en) * 1991-07-05 1993-12-14 U.S. Philips Corporation Combined read/write thin-film magnetic head with composite shared flux guide
US5258883A (en) * 1991-07-05 1993-11-02 U.S. Philips Corporation Thin-film magnetic head
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
KR100225179B1 (ko) * 1992-11-30 1999-10-15 니시무로 타이죠 박막 자기 헤드 및 자기 저항 효과형 헤드
US6101067A (en) * 1992-12-17 2000-08-08 Sony Corporation Thin film magnetic head with a particularly shaped magnetic pole piece and spaced relative to an MR element
US8963544B2 (en) * 2008-09-29 2015-02-24 The Research Institute For Electric And Magnetic Materials Signal transmission device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE877205C (de) * 1951-08-04 1953-05-21 Blaupunkt Elektronik G M B H Kombinierter Magnetkopf mit zwei Arbeitsspalten
US3921217A (en) * 1971-12-27 1975-11-18 Ibm Three-legged magnetic recording head using a magnetorestive element
US3881190A (en) * 1973-09-20 1975-04-29 Ibm Shielded magnetoresistive magnetic transducer and method of manufacture thereof
US3908194A (en) * 1974-08-19 1975-09-23 Ibm Integrated magnetoresistive read, inductive write, batch fabricated magnetic head
NL7508533A (nl) * 1975-07-17 1977-01-19 Philips Nv Dunne film magneetkop voor het lezen en schrijven van informatie.
US4150408A (en) * 1975-07-17 1979-04-17 U.S. Philips Corporation Thin-film magnetic head for reading and writing information
NL7804377A (nl) * 1978-04-25 1979-10-29 Philips Nv Magnetoweerstandkop.
FR2502375B1 (fr) * 1981-03-20 1989-08-18 Cii Honeywell Bull Transducteur magnetoresistant de lecture d'informations a tres haute densite
JPS5819717A (ja) * 1981-07-30 1983-02-04 Fujitsu Ltd 垂直磁化記録再生用ヘッド
US4613918A (en) * 1982-04-14 1986-09-23 Matsushita Electric Industrial Co., Ltd. Perpendicular magnetic playback head and a perpendicular magnetic recording and reproducing device

Also Published As

Publication number Publication date
JPH0439737B2 (ja) 1992-06-30
JPS59186115A (ja) 1984-10-22
US4617600A (en) 1986-10-14
EP0122660B1 (en) 1987-11-11
DE3467445D1 (en) 1987-12-17
EP0122660A1 (en) 1984-10-24

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
A85 Still pending on 85-01-01
BV The patent application has lapsed