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DE69116602D1 - Magnetwiderstandseffekt-Dünnfilmkopf - Google Patents

Magnetwiderstandseffekt-Dünnfilmkopf

Info

Publication number
DE69116602D1
DE69116602D1 DE69116602T DE69116602T DE69116602D1 DE 69116602 D1 DE69116602 D1 DE 69116602D1 DE 69116602 T DE69116602 T DE 69116602T DE 69116602 T DE69116602 T DE 69116602T DE 69116602 D1 DE69116602 D1 DE 69116602D1
Authority
DE
Germany
Prior art keywords
thin film
magnetic resistance
resistance effect
film head
effect thin
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
DE69116602T
Other languages
English (en)
Other versions
DE69116602T2 (de
Inventor
Takuji Shibata
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 DE69116602D1 publication Critical patent/DE69116602D1/de
Application granted granted Critical
Publication of DE69116602T2 publication Critical patent/DE69116602T2/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
    • 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
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
    • G11B5/3106—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing where the integrated or assembled structure comprises means for conditioning against physical detrimental influence, e.g. wear, contamination
    • 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
    • G11B5/40—Protective measures on heads, e.g. against excessive temperature 

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE69116602T 1990-05-30 1991-05-28 Magnetwiderstandseffekt-Dünnfilmkopf Expired - Fee Related DE69116602T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2140685A JPH0434713A (ja) 1990-05-30 1990-05-30 磁気抵抗効果型薄膜ヘッド

Publications (2)

Publication Number Publication Date
DE69116602D1 true DE69116602D1 (de) 1996-03-07
DE69116602T2 DE69116602T2 (de) 1996-09-05

Family

ID=15274376

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69116602T Expired - Fee Related DE69116602T2 (de) 1990-05-30 1991-05-28 Magnetwiderstandseffekt-Dünnfilmkopf

Country Status (4)

Country Link
US (1) US5351158A (de)
EP (1) EP0459404B1 (de)
JP (1) JPH0434713A (de)
DE (1) DE69116602T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0434713A (ja) * 1990-05-30 1992-02-05 Sony Corp 磁気抵抗効果型薄膜ヘッド
US5682284A (en) * 1992-08-25 1997-10-28 Seagate Technology, Inc. Read sensitivity function for barberpole bias design magnetoresistive sensor having curved current contacts
JPH06251339A (ja) * 1993-02-26 1994-09-09 Sony Corp 磁気抵抗効果型薄膜磁気ヘッド及びバイアス特性測定方法
US5644228A (en) * 1993-08-31 1997-07-01 Eastman Kodak Company Permanent magnet assembly with MR and DC compensating bias
KR950012334A (ko) * 1993-10-29 1995-05-16 윌리엄 티. 엘리스 자기 저항 헤드 어셈블리 및 자기 저항 헤드를 정전하 방전으로부터 보호하는 방법
US5438470A (en) * 1994-05-13 1995-08-01 Read-Rite Corporation Magnetoresistive structure with contiguous junction hard bias design with low lead resistance
TW248602B (en) * 1994-05-31 1995-06-01 Ibm Magnetoresistive head with asymmetric leads
US5557491A (en) * 1994-08-18 1996-09-17 International Business Machines Corporation Two terminal single stripe orthogonal MR head having biasing conductor integral with the lead layers
JP3045942B2 (ja) * 1994-12-07 2000-05-29 アルプス電気株式会社 薄膜磁気ヘッド
JPH08203037A (ja) * 1995-01-31 1996-08-09 Sony Corp 磁気抵抗効果型磁気ヘッド
US5867350A (en) * 1995-03-29 1999-02-02 Sony Corporation Magneto-resistance effect head with insulated bias conductor embedded in shield groove
JPH0916916A (ja) * 1995-06-29 1997-01-17 Sony Corp 薄膜磁気ヘッド及びその製造方法
EP0770991A3 (de) * 1995-10-26 1998-05-20 Read-Rite Corporation Dünnfilmmagnetoresistiver Kopf mit aneinandergrenzendem Übergang
JPH09293217A (ja) * 1996-04-26 1997-11-11 Fujitsu Ltd 磁気抵抗効果型ヘッド
US5930084A (en) * 1996-06-17 1999-07-27 International Business Machines Corporation Stabilized MR sensor and flux guide joined by contiguous junction
US6064551A (en) * 1997-02-27 2000-05-16 Sony Corporation Magnetoresistance effect type magnetic head
JP2924845B2 (ja) * 1997-03-24 1999-07-26 ティーディーケイ株式会社 スピンバルブ磁気抵抗素子を備えた磁気ヘッド及びその製造方法
US5792380A (en) * 1997-04-30 1998-08-11 Eastman Kodak Company Ink jet printing ink composition with detectable label material
JP2000030222A (ja) * 1998-07-08 2000-01-28 Fujitsu Ltd 磁気センサ
JP2000242911A (ja) * 1999-02-22 2000-09-08 Tdk Corp 複合型薄膜磁気ヘッドの製造方法
JP3389892B2 (ja) * 1999-09-24 2003-03-24 株式会社村田製作所 ヘッド
US7009818B1 (en) * 2002-12-30 2006-03-07 Storage Technology Corporation Thin film magnetic head having improved thermal characteristics, and method of manufacturing
US7719802B2 (en) * 2003-09-23 2010-05-18 Seagate Technology Llc Magnetic sensor with electrically defined active area dimensions

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS584992A (ja) * 1981-07-01 1983-01-12 Hitachi Ltd 磁気電気変換素子
US4967298A (en) * 1987-02-17 1990-10-30 Mowry Greg S Magnetic head with magnetoresistive sensor, inductive write head, and shield
US5159511A (en) * 1987-04-01 1992-10-27 Digital Equipment Corporation Biasing conductor for MR head
US5081554A (en) * 1987-04-01 1992-01-14 Digital Equipment Corporation Biasing conductor for MR head
US5111352A (en) * 1987-07-29 1992-05-05 Digital Equipment Corporation Three-pole magnetic head with reduced flux leakage
US5103553A (en) * 1987-07-29 1992-04-14 Digital Equipment Corporation Method of making a magnetic recording head
JPS6482311A (en) * 1987-09-24 1989-03-28 Hitachi Ltd Magnetic head
JP2668897B2 (ja) * 1987-10-29 1997-10-27 ソニー株式会社 磁気抵抗効果型磁気ヘッド
JP2596010B2 (ja) * 1987-10-29 1997-04-02 ソニー株式会社 磁気抵抗効果型磁気ヘッド
US4914538A (en) * 1988-08-18 1990-04-03 International Business Machines Corporation Magnetoresistive read transducer
US5005096A (en) * 1988-12-21 1991-04-02 International Business Machines Corporation Magnetoresistive read transducer having hard magnetic shunt bias
KR940004989B1 (ko) * 1989-08-04 1994-06-09 마쯔시다덴기산교 가부시기가이샤 박막자기헤드
US4987509A (en) * 1989-10-05 1991-01-22 Hewlett-Packard Company Magnetoresistive head structures for longitudinal and perpendicular transition detection
NL8902569A (nl) * 1989-10-17 1991-05-16 Philips Nv Dunnefilm magneetkop.
JPH0434713A (ja) * 1990-05-30 1992-02-05 Sony Corp 磁気抵抗効果型薄膜ヘッド

Also Published As

Publication number Publication date
EP0459404A3 (en) 1992-01-15
EP0459404B1 (de) 1996-01-24
JPH0434713A (ja) 1992-02-05
EP0459404A2 (de) 1991-12-04
DE69116602T2 (de) 1996-09-05
US5351158A (en) 1994-09-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN

8339 Ceased/non-payment of the annual fee