DE3868449D1 - Magnetoresistiver leserwandler mit durch einen isolator definierter spurbreite. - Google Patents

Magnetoresistiver leserwandler mit durch einen isolator definierter spurbreite.

Info

Publication number
DE3868449D1
DE3868449D1 DE8888110953T DE3868449T DE3868449D1 DE 3868449 D1 DE3868449 D1 DE 3868449D1 DE 8888110953 T DE8888110953 T DE 8888110953T DE 3868449 T DE3868449 T DE 3868449T DE 3868449 D1 DE3868449 D1 DE 3868449D1
Authority
DE
Germany
Prior art keywords
isolator
track width
width defined
magnetoresistive reader
converter
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.)
Expired - Fee Related
Application number
DE8888110953T
Other languages
English (en)
Inventor
Mohamad Towfik Krounbi
Gerald Glen Lopatin
Thayer, Jr
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3868449D1 publication Critical patent/DE3868449D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE8888110953T 1987-07-28 1988-07-08 Magnetoresistiver leserwandler mit durch einen isolator definierter spurbreite. Expired - Fee Related DE3868449D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/078,739 US4782414A (en) 1987-07-28 1987-07-28 Magnetoresistive read transducer with insulator defined trackwidth
SG151194A SG151194G (en) 1987-07-28 1994-10-17 A magnetoresistive read transducer with insulator defined trackwidth

Publications (1)

Publication Number Publication Date
DE3868449D1 true DE3868449D1 (de) 1992-03-26

Family

ID=26664439

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888110953T Expired - Fee Related DE3868449D1 (de) 1987-07-28 1988-07-08 Magnetoresistiver leserwandler mit durch einen isolator definierter spurbreite.

Country Status (7)

Country Link
US (1) US4782414A (de)
EP (1) EP0301294B1 (de)
JP (1) JPS6435717A (de)
CA (1) CA1304499C (de)
DE (1) DE3868449D1 (de)
HK (1) HK139094A (de)
SG (1) SG151194G (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5018037A (en) * 1989-10-10 1991-05-21 Krounbi Mohamad T Magnetoresistive read transducer having hard magnetic bias
US5256249A (en) * 1991-09-17 1993-10-26 Seagate Technology, Inc. Method of manufacturing a planarized magnetoresistive sensor
US5296987A (en) * 1992-06-05 1994-03-22 Hewlett-Packard Company Tapered conductors for magnetoresistive transducers
MY108956A (en) * 1992-11-12 1996-11-30 Quantum Peripherals Colorado Inc Magnetoresistive device and method having improved barkhausen noise suppression
EP0650156A1 (de) * 1993-10-21 1995-04-26 Seagate Technology International Kontaktanordnung zur Minimierung von induktiver Störung in magnetoresistiven Leseköpfen
US5668689A (en) * 1994-03-03 1997-09-16 Seagate Technology, Inc. Inverted magnetoresistive head
US5640753A (en) * 1994-03-03 1997-06-24 Seagate Technology, Inc. Method of fabricating an inverted magnetoresistive head
US5532892A (en) * 1995-06-05 1996-07-02 Quantum Peripherals Colorado, Inc. Soft adjacent layer biased magnetoresistive device incorporating a natural flux closure design utilizing coplanar permanent magnet thin film stabilization
US5654854A (en) * 1995-11-30 1997-08-05 Quantum Corporation Longitudinally biased magnetoresistive sensor having a concave shaped active region to reduce Barkhausen noise by achieving a substantially single magnetic domain state
US5946167A (en) * 1996-03-15 1999-08-31 Kabushiki Kaisha Toshiba Magnetoresistive sensor having lead and/or bias layer structure contributing to a narrow gap
US5936814A (en) * 1996-06-03 1999-08-10 Seagate Technology, Inc. Magnetic recording head using a last insulator to obtain an adjustable take off angle
US6434814B1 (en) 1998-12-16 2002-08-20 International Business Machines Corporation Method of manufacturing a magnetic head including a read head with read track width defining layer that planarizes the write gap layer of a write head
US6228276B1 (en) * 1999-02-05 2001-05-08 Headway Technologies, Inc. Method of manufacturing magnetoresistive (MR) sensor element with sunken lead structure
US6274025B1 (en) * 1999-06-14 2001-08-14 Headway Technologies, Inc. Chemical approach to develop lift-off photoresist structure and passivate MR sensor
US6287476B1 (en) 1999-06-14 2001-09-11 Headway Technologies, Inc. Electrochemical method to improve MR reader edge definition and device reliability
US6344953B1 (en) 2000-03-08 2002-02-05 Seagate Technology, Llc Magnetoresistive read sensor using overlaid leads with insulating current guide layer
US6385016B1 (en) 2000-03-31 2002-05-07 Seagate Technology Llc Magnetic read head with an insulator layer between an MR sensor and rear portions of current contacts to provide enhanced sensitivity
JP2002124719A (ja) * 2000-08-04 2002-04-26 Tdk Corp 磁気抵抗効果装置およびその製造方法ならびに薄膜磁気ヘッドおよびその製造方法
US6961223B2 (en) * 2000-10-27 2005-11-01 Alps Electric Co., Ltd. Spin-valve thin-film magnetic element without sensing current shunt and thin-film magnetic head including the same
US6798622B2 (en) 2000-12-11 2004-09-28 Headway Technologies, Inc. Magnetoresistive (MR) sensor element with sunken lead structure

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5215217B2 (de) * 1972-10-06 1977-04-27
US3987485A (en) * 1973-02-20 1976-10-19 Matsushita Electric Industrial Co., Ltd. Magnetic head with thin film components
JPS5635942Y2 (de) * 1975-07-21 1981-08-24
JPS5750483A (en) * 1980-09-10 1982-03-24 Sharp Corp Thin film reluctance effective element
JPS5782224A (en) * 1980-11-07 1982-05-22 Canon Inc Magnetic resistance effect type thin film magnetic head
JPS57198528A (en) * 1981-05-28 1982-12-06 Mitsubishi Electric Corp Magneto-resistance effect head
NL8201846A (nl) * 1982-05-06 1983-12-01 Philips Nv Sensor met een magneetveldgevoelig element en werkwijze voor het vervaardigen daarvan.
US4504880A (en) * 1982-08-09 1985-03-12 International Business Machines Corporation Integrated magnetic recording head assembly including an inductive write subassembly and a magnetoresistive read subassembly
JPS60612A (ja) * 1983-06-15 1985-01-05 Mitsubishi Electric Corp 磁気抵抗効果ヘツド
JPH0760490B2 (ja) * 1983-08-29 1995-06-28 ソニー株式会社 多素子薄膜磁気ヘッドの製造方法
US4623867A (en) * 1984-08-13 1986-11-18 Ampex Corporation Permanent magnet biased narrow track magnetoresistive transducer
JPS61296522A (ja) * 1985-06-24 1986-12-27 Nec Corp 磁気抵抗効果ヘツド
EP0265798B1 (de) * 1986-10-31 1992-12-23 International Business Machines Corporation Magnetoresistiver Lesewandler

Also Published As

Publication number Publication date
SG151194G (en) 1995-03-17
EP0301294B1 (de) 1992-02-19
US4782414A (en) 1988-11-01
CA1304499C (en) 1992-06-30
EP0301294A2 (de) 1989-02-01
EP0301294A3 (en) 1989-03-22
HK139094A (en) 1994-12-16
JPS6435717A (en) 1989-02-06
JPH0514323B2 (de) 1993-02-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee