DE68923868D1 - Rhombenförmiges dünnfilm-magnetelement. - Google Patents

Rhombenförmiges dünnfilm-magnetelement.

Info

Publication number
DE68923868D1
DE68923868D1 DE68923868T DE68923868T DE68923868D1 DE 68923868 D1 DE68923868 D1 DE 68923868D1 DE 68923868 T DE68923868 T DE 68923868T DE 68923868 T DE68923868 T DE 68923868T DE 68923868 D1 DE68923868 D1 DE 68923868D1
Authority
DE
Germany
Prior art keywords
rhomb
thin film
shaped thin
magnet element
film magnet
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
DE68923868T
Other languages
English (en)
Other versions
DE68923868T2 (de
Inventor
Neil Smith
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of DE68923868D1 publication Critical patent/DE68923868D1/de
Publication of DE68923868T2 publication Critical patent/DE68923868T2/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
    • G11B5/398—Specially shaped layers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09—Magnetoresistive devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12951—Fe-base component

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Hall/Mr Elements (AREA)
  • Magnetic Heads (AREA)
DE68923868T 1988-12-16 1989-12-14 Rhombenförmiges dünnfilm-magnetelement. Expired - Fee Related DE68923868T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/285,178 US4956736A (en) 1988-12-16 1988-12-16 Thin film magnetic element having a rhombic shape
PCT/US1989/005584 WO1990007179A1 (en) 1988-12-16 1989-12-14 Thin film magnetic element having a rhombic shape

Publications (2)

Publication Number Publication Date
DE68923868D1 true DE68923868D1 (de) 1995-09-21
DE68923868T2 DE68923868T2 (de) 1996-05-02

Family

ID=23093097

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68923868T Expired - Fee Related DE68923868T2 (de) 1988-12-16 1989-12-14 Rhombenförmiges dünnfilm-magnetelement.

Country Status (5)

Country Link
US (1) US4956736A (de)
EP (1) EP0400142B1 (de)
JP (1) JPH03502848A (de)
DE (1) DE68923868T2 (de)
WO (1) WO1990007179A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5119025A (en) * 1990-07-26 1992-06-02 Eastman Kodak Company High-sensitivity magnetorresistive magnetometer having laminated flux collectors defining an open-loop flux-conducting path
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
US5260652A (en) * 1992-03-25 1993-11-09 Seagate Technology, Inc. Magnetoresistive sensor with electrical contacts having variable resistive regions for enhanced sensor sensitivity
DE69332530T2 (de) * 1992-08-25 2003-07-03 Seagate Technology Llc, Scotts Valley Magneto-resistiver Sensor und Herstellungsverfahren dafür
US5475304A (en) * 1993-10-01 1995-12-12 The United States Of America As Represented By The Secretary Of The Navy Magnetoresistive linear displacement sensor, angular displacement sensor, and variable resistor using a moving domain wall
US5381291A (en) * 1994-02-25 1995-01-10 Seagate Technology, Inc. Vertical contact - canted magnet magnetoresistive sensor
TW349690U (en) * 1994-12-16 1999-01-01 Ibm Magnetoresistive head with a magnetoresistive film shaped to provide an improved read sensitivity profile
US6872993B1 (en) * 1999-05-25 2005-03-29 Micron Technology, Inc. Thin film memory device having local and external magnetic shielding
US6191925B1 (en) * 1999-06-18 2001-02-20 Storage Technology Corporation Dual element read with shaped elements
US6426853B1 (en) * 1999-10-05 2002-07-30 Tdk Corporation Magnetoresistive effect sensor, thin-film magnetic head and thin-film wafer with the thin-film magnetic heads
JP3808799B2 (ja) * 2002-05-15 2006-08-16 株式会社東芝 磁気ランダムアクセスメモリ
US7075761B2 (en) * 2002-08-27 2006-07-11 Hitachi Global Storage Technologies Netherlands B.V. Lead-defined and shaped magnetic sensor
US20080230666A1 (en) * 2007-03-23 2008-09-25 Sociedad Metalurgica Quinones Farfan Ltda. Dispensing, displaying and containing case for products and object
US8351152B2 (en) 2009-08-25 2013-01-08 International Business Machines Corporation Magnetic writer structures formed using post-deposition tilting
US8240024B2 (en) 2009-08-25 2012-08-14 International Business Machines Corporation Methods for fabricating magnetic transducers using post-deposition tilting
US8416537B2 (en) * 2009-11-06 2013-04-09 International Business Machines Corporation Recording head with tilted orientation
US9508366B2 (en) * 2013-08-23 2016-11-29 Seagate Technology Llc Reader structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5845619A (ja) * 1981-09-09 1983-03-16 Hitachi Ltd 磁気抵抗効果型薄膜磁気ヘッド
US4821133A (en) * 1987-02-17 1989-04-11 Magnetic Peripherals, Inc. Bottleneck magnetoresistive element
US4841398A (en) * 1987-02-17 1989-06-20 Magnetic Peripherals Inc. Non linear magnetoresistive sensor
JPH0721848B2 (ja) * 1987-02-17 1995-03-08 シーゲイト テクノロジー インターナショナル 磁気抵抗センサ及びその製造方法
US4891725A (en) * 1987-02-17 1990-01-02 Magnetic Peripherals Inc. Magnetoresistive sensor having antiferromagnetic exchange-biased ends

Also Published As

Publication number Publication date
DE68923868T2 (de) 1996-05-02
JPH03502848A (ja) 1991-06-27
EP0400142B1 (de) 1995-08-16
US4956736A (en) 1990-09-11
WO1990007179A1 (en) 1990-06-28
EP0400142A1 (de) 1990-12-05

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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