JPH0652522A - 磁気抵抗トランスジューサにおけるバルクハウゼンノイズを軽減するための方法 - Google Patents

磁気抵抗トランスジューサにおけるバルクハウゼンノイズを軽減するための方法

Info

Publication number
JPH0652522A
JPH0652522A JP5156072A JP15607293A JPH0652522A JP H0652522 A JPH0652522 A JP H0652522A JP 5156072 A JP5156072 A JP 5156072A JP 15607293 A JP15607293 A JP 15607293A JP H0652522 A JPH0652522 A JP H0652522A
Authority
JP
Japan
Prior art keywords
magnetoresistive
conductor
stripe
transducer
edge
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.)
Pending
Application number
JP5156072A
Other languages
English (en)
Japanese (ja)
Inventor
Thomas C Anthony
トーマス・シー・アンソニー
James A Brug
ジェイムス・エイ・ブルク
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JPH0652522A publication Critical patent/JPH0652522A/ja
Pending 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
    • G11B5/3906—Details related to the use of magnetic thin film layers or to their 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
    • G11B5/3945—Heads comprising more than one sensitive element
    • G11B5/3948—Heads comprising more than one sensitive element the sensitive elements being active read-out elements
    • G11B5/3951—Heads comprising more than one sensitive element the sensitive elements being active read-out elements the active elements being arranged on several parallel planes
    • G11B5/3954—Heads comprising more than one sensitive element the sensitive elements being active read-out elements the active elements being arranged on several parallel planes the active elements transducing on a single track

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Hall/Mr Elements (AREA)
JP5156072A 1992-06-05 1993-06-02 磁気抵抗トランスジューサにおけるバルクハウゼンノイズを軽減するための方法 Pending JPH0652522A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US894389 1992-06-05
US07/894,389 US5296987A (en) 1992-06-05 1992-06-05 Tapered conductors for magnetoresistive transducers

Publications (1)

Publication Number Publication Date
JPH0652522A true JPH0652522A (ja) 1994-02-25

Family

ID=25403007

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5156072A Pending JPH0652522A (ja) 1992-06-05 1993-06-02 磁気抵抗トランスジューサにおけるバルクハウゼンノイズを軽減するための方法

Country Status (3)

Country Link
US (1) US5296987A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0573154A2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH0652522A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4243358A1 (de) * 1992-12-21 1994-06-23 Siemens Ag Magnetowiderstands-Sensor mit künstlichem Antiferromagneten und Verfahren zu seiner Herstellung
US5736921A (en) * 1994-03-23 1998-04-07 Sanyo Electric Co., Ltd. Magnetoresistive element
US5585198A (en) * 1993-10-20 1996-12-17 Sanyo Electric Co., Ltd. Magnetorsistance effect element
JP2982931B2 (ja) * 1993-05-17 1999-11-29 富士通株式会社 磁気抵抗効果型ヘッド及びその製造方法
EP0677750A3 (en) * 1994-04-15 1996-04-24 Hewlett Packard Co Giant magnetoresistive sensor with an insulating pinning layer.
TW248602B (en) 1994-05-31 1995-06-01 Ibm Magnetoresistive head with asymmetric leads
JPH08130337A (ja) * 1994-09-09 1996-05-21 Sanyo Electric Co Ltd 磁気抵抗素子及びその製造方法
US5568335A (en) * 1994-12-29 1996-10-22 International Business Machines Corporation Multi-layer gap structure for high resolution magnetoresistive read head
JP2870437B2 (ja) * 1994-12-29 1999-03-17 ヤマハ株式会社 Ｍｒヘッドおよびその製造方法
JPH097122A (ja) * 1995-06-22 1997-01-10 Toshiba Corp 磁気抵抗効果ヘッドおよびそれを用いた磁気記録再生ヘッド
US5784772A (en) * 1995-12-21 1998-07-28 Storage Technology Corporation Method of simultaneously forming MR sensors in a dual element MR head
JPH103617A (ja) * 1996-06-13 1998-01-06 Sony Corp 磁気抵抗効果型磁気ヘッド及びその製造方法
US5926348A (en) * 1996-08-28 1999-07-20 Yamaha Corporation Magnetoresistive head having a magnetoresistive element with bent portions located at points of high longitudinal bias magnetic field intensity
US5930062A (en) * 1996-10-03 1999-07-27 Hewlett-Packard Company Actively stabilized magnetoresistive head
US5766780A (en) * 1996-10-15 1998-06-16 Seagate Technology, Inc. Reversed order NIMN exchange biasing for dual magnetoresistive heads
US5721008A (en) * 1996-10-15 1998-02-24 Seagate Technology, Inc. Method for controlling sensor-to-sensor alignment and material properties in a dual magnetoresistive sensor
US5783460A (en) * 1996-10-25 1998-07-21 Headway Technologies, Inc. Method of making self-aligned dual stripe magnetoresistive (DRMR) head for high density recording
US6228276B1 (en) * 1999-02-05 2001-05-08 Headway Technologies, Inc. Method of manufacturing magnetoresistive (MR) sensor element with sunken lead structure
US6920021B2 (en) * 2002-08-26 2005-07-19 Hitachi Global Storage Technologies Netherlands B.V. Sunken electrical lead defined narrow track width magnetic head
US7227726B1 (en) * 2002-11-12 2007-06-05 Storage Technology Corporation Method and system for providing a dual-stripe magnetoresistive element having periodic structure stabilization
US9064512B2 (en) * 2011-06-28 2015-06-23 Seagate Technology Llc Methods and devices for controlling asymmetry in a magnetic reader

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860965A (en) * 1973-10-04 1975-01-14 Ibm Magnetoresistive read head assembly having matched elements for common mode rejection
NL8101962A (nl) * 1981-04-22 1982-11-16 Philips Nv Magnetische sensor.
JPS61267914A (ja) * 1985-05-21 1986-11-27 Nec Corp 磁気抵抗効果ヘツドの製造方法
NL8601371A (nl) * 1986-05-29 1987-12-16 Philips Nv Magneetkop.
US4803580A (en) * 1987-02-17 1989-02-07 Magnetic Peripherals Inc. Double-gap magnetoresistive head having an elongated central write/shield pole completely shielding the magnetoresistive sensor strip in the read gap
US4782414A (en) * 1987-07-28 1988-11-01 International Business Machine Magnetoresistive read transducer with insulator defined trackwidth
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
US4987509A (en) * 1989-10-05 1991-01-22 Hewlett-Packard Company Magnetoresistive head structures for longitudinal and perpendicular transition detection
JP2674294B2 (ja) * 1990-10-05 1997-11-12 日本電気株式会社 磁気抵抗効果ヘッド
US5140884A (en) * 1990-11-14 1992-08-25 Gibson Guitar Corp. Detachable string bender
JPH04188418A (ja) * 1990-11-22 1992-07-07 Hitachi Ltd 複合薄膜磁気ヘッドの製造方法
US5079831A (en) * 1991-02-07 1992-01-14 Applied Magnetics Corporation Method of making a dual stripe magnetic head

Also Published As

Publication number Publication date
US5296987A (en) 1994-03-22
EP0573154A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1994-08-31
EP0573154A2 (en) 1993-12-08

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