DE2921350A1 - Magnetischer wandlerkopf - Google Patents

Magnetischer wandlerkopf

Info

Publication number
DE2921350A1
DE2921350A1 DE19792921350 DE2921350A DE2921350A1 DE 2921350 A1 DE2921350 A1 DE 2921350A1 DE 19792921350 DE19792921350 DE 19792921350 DE 2921350 A DE2921350 A DE 2921350A DE 2921350 A1 DE2921350 A1 DE 2921350A1
Authority
DE
Germany
Prior art keywords
magnetic
magnetic head
magnetoresistance element
magnetoresistance
mre
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
DE19792921350
Other languages
German (de)
English (en)
Inventor
Takehiro Nagaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of DE2921350A1 publication Critical patent/DE2921350A1/de
Withdrawn legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Measuring Magnetic Variables (AREA)
DE19792921350 1978-05-26 1979-05-25 Magnetischer wandlerkopf Withdrawn DE2921350A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6295678A JPS54157610A (en) 1978-05-26 1978-05-26 Magnetic head

Publications (1)

Publication Number Publication Date
DE2921350A1 true DE2921350A1 (de) 1979-11-29

Family

ID=13215272

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792921350 Withdrawn DE2921350A1 (de) 1978-05-26 1979-05-25 Magnetischer wandlerkopf

Country Status (7)

Country Link
US (1) US4277808A (enExample)
JP (1) JPS54157610A (enExample)
CA (1) CA1129544A (enExample)
DE (1) DE2921350A1 (enExample)
FR (1) FR2426954B1 (enExample)
GB (1) GB2021843B (enExample)
NL (1) NL7904173A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0037966A1 (de) * 1980-04-15 1981-10-21 Siemens Aktiengesellschaft Magnetoresistiver Sensor
US4516179A (en) * 1981-08-17 1985-05-07 Sony Corporation Magnetic transducer head utilizing magnetoresistance effect

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2071333B (en) 1980-02-22 1984-02-01 Sony Corp Magnetic sensor device
US4356523A (en) * 1980-06-09 1982-10-26 Ampex Corporation Narrow track magnetoresistive transducer assembly
US4506220A (en) * 1980-11-10 1985-03-19 Canon Kabushiki Kaisha Temperature compensated magnetoresistive effect thin film magnetic sensor
DE3213928A1 (de) * 1981-04-15 1982-11-18 Canon Denshi K.K., Chichibu, Saitama Senkrecht - magnetkopf
US4438470A (en) 1981-07-20 1984-03-20 Canon Kabushiki Kaisha Magnetic head of magnetic reluctance effect type and a method for making the same
EP0075413A3 (en) * 1981-09-12 1983-07-27 Chubb Integrated Systems Limited Magnetoresistive transducer assemblies
JPS5875335U (ja) * 1981-11-17 1983-05-21 三洋電機株式会社 磁気抵抗ヘツド
US4523243A (en) * 1982-05-24 1985-06-11 Storage Technology Corporation Magnetoresistive transducer using an independent recessed electromagnetic bias
US4485419A (en) * 1982-06-15 1984-11-27 International Business Machines Corporation Complementary pole coupling magnetic head structure
JPS59112422A (ja) * 1982-12-16 1984-06-28 Sony Corp 磁気抵抗効果型磁気ヘツド
US4566050A (en) * 1982-12-30 1986-01-21 International Business Machines Corp. (Ibm) Skew insensitive magnetic read head
GB2169434B (en) * 1984-11-24 1989-09-20 Magnetic Components Limited Magnetoresistive sensors
JPS61199684A (ja) * 1985-03-01 1986-09-04 Hitachi Ltd 磁気抵抗効果型素子
US4802043A (en) * 1985-03-25 1989-01-31 Hitachi, Ltd. Magneto-resistive head for protecting against output spike noises
GB8609572D0 (en) * 1986-04-18 1986-05-21 Rca Corp Sawtooth generator
JPH02128577A (ja) * 1988-11-09 1990-05-16 Sony Corp 垂直偏向回路
US5218497A (en) * 1988-12-02 1993-06-08 Hitachi, Ltd. Magnetic recording-reproducing apparatus and magnetoresistive head having two or more magnetoresistive films for use therewith
EP0372420B1 (en) * 1988-12-02 1995-09-20 Hitachi, Ltd. Magnetic recording-reproducing apparatus and magnetoresistive head for use therewith
US4972284A (en) * 1989-01-03 1990-11-20 Eastman Kodak Company Deposited permanent magnet for hard and easy axes biasing of a magnetoresistive head
US5142426A (en) * 1990-06-21 1992-08-25 International Business Machines Corporation Thin film magnetic head having interspersed resistance layers to provide a desired cut-off frequency
US5390054A (en) * 1993-03-12 1995-02-14 Minnesota Mining And Manufacturing Company Method and system for minimizing the error rate of a digital recording system by predicting the optimal bias current
US5428491A (en) * 1993-12-03 1995-06-27 Eastman Kodak Company Magnetoresistive head with deposited biasing magnet
US5748414A (en) * 1994-06-24 1998-05-05 Samsung Electro-Mechanics Co., Ltd. Magnetoresistive element assembly with longitudinal bias
US6005753A (en) * 1998-05-29 1999-12-21 International Business Machines Corporation Magnetic tunnel junction magnetoresistive read head with longitudinal and transverse bias
US6563679B1 (en) * 2000-08-08 2003-05-13 Tdk Corporation Current perpendicular-to-the-plane magnetoresistance read heads with transverse magnetic bias
US6930862B2 (en) * 2002-01-07 2005-08-16 Hitachi Global Storage Technologies Netherlands B.V. Shielded extraordinary magnetoresistance head
US7679855B2 (en) * 2007-06-07 2010-03-16 International Business Machines Corporation Write transducer and system implementing same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967368A (en) * 1972-10-11 1976-07-06 International Business Machines Corporation Method for manufacturing and using an internally biased magnetoresistive magnetic transducer
US3860965A (en) * 1973-10-04 1975-01-14 Ibm Magnetoresistive read head assembly having matched elements for common mode rejection
US3864751A (en) * 1973-10-04 1975-02-04 Ibm Induced bias magnetoresistive read transducer
JPS5927115B2 (ja) * 1974-12-29 1984-07-03 ソニー株式会社 情報検出装置
US4047236A (en) * 1975-05-09 1977-09-06 Honeywell Information Systems Inc. Supersensitive magnetoresistive sensor for high density magnetic read head
US4012781A (en) * 1975-08-14 1977-03-15 International Business Machines Corporation Magnetoresistive read head assembly for servo operation
US4024489A (en) * 1975-11-18 1977-05-17 International Business Machines Corporation Magnetoresistive sandwich including sensor electrically parallel with electrical shunt and magnetic biasing layers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0037966A1 (de) * 1980-04-15 1981-10-21 Siemens Aktiengesellschaft Magnetoresistiver Sensor
US4516179A (en) * 1981-08-17 1985-05-07 Sony Corporation Magnetic transducer head utilizing magnetoresistance effect

Also Published As

Publication number Publication date
NL7904173A (nl) 1979-11-28
GB2021843A (en) 1979-12-05
JPS54157610A (en) 1979-12-12
US4277808A (en) 1981-07-07
CA1129544A (en) 1982-08-10
JPS6114572B2 (enExample) 1986-04-19
FR2426954A1 (fr) 1979-12-21
GB2021843B (en) 1982-11-10
FR2426954B1 (fr) 1988-01-08

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Legal Events

Date Code Title Description
8141 Disposal/no request for examination