NL7806568A - MAGNETO RESISTANCE READ HEAD. - Google Patents

MAGNETO RESISTANCE READ HEAD.

Info

Publication number
NL7806568A
NL7806568A NL7806568A NL7806568A NL7806568A NL 7806568 A NL7806568 A NL 7806568A NL 7806568 A NL7806568 A NL 7806568A NL 7806568 A NL7806568 A NL 7806568A NL 7806568 A NL7806568 A NL 7806568A
Authority
NL
Netherlands
Prior art keywords
read head
magnetoresistance read
magnetoresistance
head
Prior art date
Application number
NL7806568A
Other languages
English (en)
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 NL7806568A priority Critical patent/NL7806568A/nl
Publication of NL7806568A publication Critical patent/NL7806568A/nl

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/33Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39Structure 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
    • G11B5/3903Structure 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0007Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027Analogue recording
    • G11B5/035Equalising
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B2005/0002Special dispositions or recording techniques
    • G11B2005/0005Arrangements, methods or circuits
    • G11B2005/001Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
    • G11B2005/0013Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation
    • G11B2005/0016Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation of magnetoresistive transducers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B2005/0002Special dispositions or recording techniques
    • G11B2005/0005Arrangements, methods or circuits
    • G11B2005/001Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
    • G11B2005/0013Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation
    • G11B2005/0016Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation of magnetoresistive transducers
    • G11B2005/0018Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation of magnetoresistive transducers by current biasing control or regulation
NL7806568A 1978-06-19 1978-06-19 MAGNETO RESISTANCE READ HEAD. NL7806568A (nl)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7806568A NL7806568A (nl) 1978-06-19 1978-06-19 MAGNETO RESISTANCE READ HEAD.

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
NL7806568A NL7806568A (nl) 1978-06-19 1978-06-19 MAGNETO RESISTANCE READ HEAD.
US06/045,908 US4280158A (en) 1978-06-19 1979-06-06 Magnetoresistive reading head
DE19792923863 DE2923863C3 (nl) 1978-06-19 1979-06-13
CA329,737A CA1129997A (en) 1978-06-19 1979-06-14 Magnetoresistive reading head
GB7920849A GB2023326B (en) 1978-06-19 1979-06-15 Magnetoresistive reading head
FR7915468A FR2429472B1 (nl) 1978-06-19 1979-06-15
IT2364179A IT1121585B (it) 1978-06-19 1979-06-15 Testina di lettura di tipo magnetoresistivo
ES481612A ES481612A1 (es) 1978-06-19 1979-06-16 Una cabeza de lectura magnetica perfeccionada.
JP7519379A JPS589484B2 (nl) 1978-06-19 1979-06-16

Publications (1)

Publication Number Publication Date
NL7806568A true NL7806568A (nl) 1979-12-21

Family

ID=19831059

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7806568A NL7806568A (nl) 1978-06-19 1978-06-19 MAGNETO RESISTANCE READ HEAD.

Country Status (9)

Country Link
US (1) US4280158A (nl)
JP (1) JPS589484B2 (nl)
CA (1) CA1129997A (nl)
DE (1) DE2923863C3 (nl)
ES (1) ES481612A1 (nl)
FR (1) FR2429472B1 (nl)
GB (1) GB2023326B (nl)
IT (1) IT1121585B (nl)
NL (1) NL7806568A (nl)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3014469A1 (de) * 1980-04-15 1981-10-22 Siemens Ag MAGNETORESISTIVE SENSOR
US4356523A (en) * 1980-06-09 1982-10-26 Ampex Corporation Narrow track magnetoresistive transducer assembly
US4343026A (en) * 1980-07-09 1982-08-03 Spin Physics, Inc. Magnetoresistive head employing field feedback
US4506220A (en) * 1980-11-10 1985-03-19 Canon Kabushiki Kaisha Temperature compensated magnetoresistive effect thin film magnetic sensor
JPH0325844B2 (nl) * 1980-11-28 1991-04-09 Hitachi Ltd
US4492997A (en) * 1980-11-28 1985-01-08 Hitachi, Ltd. Reproducing and amplifying circuit for magnetoresistive head
JPH0350322B2 (nl) * 1980-12-10 1991-08-01 Hitachi Ltd
JPH0370844B2 (nl) * 1982-04-21 1991-11-11 Tokyo Shibaura Electric Co
US4599668A (en) * 1983-06-15 1986-07-08 Eastman Kodak Company Inductively-coupled, thin-film M-R head
US4476454A (en) * 1983-06-30 1984-10-09 International Business Machines Corporation New magnetoresistive materials
US4703378A (en) * 1984-03-01 1987-10-27 Sony Corporation Magnetic transducer head utilizing magnetoresistance effect
JPS60263310A (en) * 1984-06-08 1985-12-26 Sony Corp Magneto-resistance effect type magnetic head device
CA1248222A (en) * 1984-08-27 1989-01-03 Yutaka Souda Magnetic transducer head utilizing magnetoresistance effect
JPS6157011A (en) * 1984-08-27 1986-03-22 Sony Corp Magnetoresistance effect type magnetic head device
US4783711A (en) * 1985-07-12 1988-11-08 Hitachi, Ltd. Magnetoresistive sensor having magnetic shields of ferrite
US4649447A (en) * 1985-08-15 1987-03-10 International Business Machines Combed MR sensor
US4712144A (en) * 1985-08-20 1987-12-08 International Business Machines Corporation Method and apparatus for reading recorded data by a magnetoresistive head
US5107385A (en) * 1989-11-16 1992-04-21 Applied Magnetics Corporation Read head assembly for multiple-width tracks
US5216560A (en) * 1989-11-22 1993-06-01 Hewlett-Packard Company Stabilization of magnetoresistive sensors using the longitudinal field produced by the current in the contact leads
US5065094A (en) * 1990-08-07 1991-11-12 Seagate Technology, Inc. Two terminal magnetoresistive sensor having DC blocking capacitor
JPH07105009B2 (ja) * 1991-05-31 1995-11-13 インターナショナル・ビジネス・マシーンズ・コーポレイション 薄膜ヘッドの非線形性を測定するための方法及び装置
JP2707191B2 (ja) * 1992-10-19 1998-01-28 シャープ株式会社 マルチトラック磁気信号再生装置
US5309298A (en) * 1992-11-24 1994-05-03 International Business Machines Corporation Suppression of magnetic instability in inductive recording heads
US5301080A (en) * 1992-12-31 1994-04-05 International Business Machines Corporation Bias servo loop for magneto-resistive read/write head
JP2994522B2 (ja) * 1993-02-22 1999-12-27 富士通株式会社 磁気抵抗素子用プリアンプ
US5696445A (en) * 1994-09-26 1997-12-09 Phase Metrics Method and apparatus for testing the resistive properties of magneto resistive materials using a time variable magnetic field
US5747997A (en) * 1996-06-05 1998-05-05 Regents Of The University Of Minnesota Spin-valve magnetoresistance sensor having minimal hysteresis problems
US5930062A (en) * 1996-10-03 1999-07-27 Hewlett-Packard Company Actively stabilized magnetoresistive head
US6166539A (en) * 1996-10-30 2000-12-26 Regents Of The University Of Minnesota Magnetoresistance sensor having minimal hysteresis problems
US5963400A (en) * 1997-02-21 1999-10-05 Storage Technology Corporation Thin film tape head including split top pole
AU8902598A (en) * 1997-08-12 1999-03-01 Itron Inc. Method and apparatus for use of magnetic flux in electronic and signal processi ng systems

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975241A (en) * 1956-12-12 1961-03-14 Armour Res Found Means for counteracting shunt reluctance of a transducer head gap
US3493694A (en) * 1966-01-19 1970-02-03 Ampex Magnetoresistive head
BE704863A (nl) * 1967-10-09 1968-02-15
US4050086A (en) * 1976-05-06 1977-09-20 International Business Machines Corporation Dynamic transducer biasing signal amplifying circuitry
NL7611522A (nl) * 1976-10-19 1978-04-21 Philips Nv MAGNETO RESISTANCE READING HEAD WITH THERMAL NOISE REDUCTION.
US4075671A (en) * 1976-11-24 1978-02-21 International Business Machines Corporation Automatic ac biasing of a magnetoresistive element
GB2012095A (en) * 1978-01-03 1979-07-18 Burroughs Corp Cancellation of thermal noise in magnetoresistive heads

Also Published As

Publication number Publication date
DE2923863A1 (de) 1979-12-20
JPS551698A (en) 1980-01-08
IT1121585B (it) 1986-04-02
US4280158A (en) 1981-07-21
GB2023326A (en) 1979-12-28
GB2023326B (en) 1982-09-22
FR2429472A1 (fr) 1980-01-18
DE2923863C3 (nl) 1981-11-19
CA1129997A1 (nl)
CA1129997A (en) 1982-08-17
JPS589484B2 (nl) 1983-02-21
ES481612A1 (es) 1980-01-16
IT7923641D0 (it) 1979-06-15
FR2429472B1 (nl) 1984-10-19
DE2923863B2 (nl) 1981-01-08

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed