DE69501795D1 - Eine verbesserte, magnetoresistives Material enthaltende, Vorrichtung - Google Patents

Eine verbesserte, magnetoresistives Material enthaltende, Vorrichtung

Info

Publication number
DE69501795D1
DE69501795D1 DE69501795T DE69501795T DE69501795D1 DE 69501795 D1 DE69501795 D1 DE 69501795D1 DE 69501795 T DE69501795 T DE 69501795T DE 69501795 T DE69501795 T DE 69501795T DE 69501795 D1 DE69501795 D1 DE 69501795D1
Authority
DE
Germany
Prior art keywords
device containing
improved device
magnetoresistive material
containing magnetoresistive
improved
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
DE69501795T
Other languages
English (en)
Other versions
DE69501795T2 (de
Inventor
Sungho Jin
Mark Thomas Mccormack
Thomas Henry Tiefel
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.)
AT&T Corp
Original Assignee
AT&T 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 AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE69501795D1 publication Critical patent/DE69501795D1/de
Publication of DE69501795T2 publication Critical patent/DE69501795T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
    • G01D5/145—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
    • 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
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/0036—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/40—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials of magnetic semiconductor materials, e.g. CdCr2S4
    • H01F1/401—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials of magnetic semiconductor materials, e.g. CdCr2S4 diluted
    • H01F1/407—Diluted non-magnetic ions in a magnetic cation-sublattice, e.g. perovskites, La1-x(Ba,Sr)xMnO3
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/80—Constructional details
    • H10N50/85—Magnetic active materials
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • 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
    • Y10T428/11—Magnetic recording head
    • Y10T428/1107—Magnetoresistive

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Nanotechnology (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Human Computer Interaction (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Hall/Mr Elements (AREA)
  • Measuring Magnetic Variables (AREA)
  • Magnetic Heads (AREA)
  • Hard Magnetic Materials (AREA)
DE69501795T 1994-01-26 1995-01-18 Eine verbesserte, magnetoresistives Material enthaltende, Vorrichtung Expired - Fee Related DE69501795T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/187,668 US5411814A (en) 1994-01-26 1994-01-26 Article comprising magnetoresistive oxide of La, Ca, Mn additionally containing either of both of Sr and Ba

Publications (2)

Publication Number Publication Date
DE69501795D1 true DE69501795D1 (de) 1998-04-23
DE69501795T2 DE69501795T2 (de) 1998-07-16

Family

ID=22689947

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69501795T Expired - Fee Related DE69501795T2 (de) 1994-01-26 1995-01-18 Eine verbesserte, magnetoresistives Material enthaltende, Vorrichtung

Country Status (4)

Country Link
US (1) US5411814A (de)
EP (1) EP0665601B1 (de)
JP (1) JP3217632B2 (de)
DE (1) DE69501795T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4425356C2 (de) * 1993-09-29 1998-07-02 Siemens Ag Magnetoresistiver Sensor unter Verwendung eines Sensormaterials mit perowskitähnlicher Kristallstruktur
US5834709A (en) * 1994-01-26 1998-11-10 Lucent Technologies Inc. Position sensing systems including magnetoresistive elements
US5538800A (en) * 1994-09-29 1996-07-23 At&T Corp. Magnetoresistive oxide material and articles comprising the material
JP2776352B2 (ja) * 1995-07-20 1998-07-16 日本電気株式会社 化合物磁気抵抗効果材料およびその製造方法
US5835003A (en) * 1995-09-29 1998-11-10 Hewlett-Packard Company Colossal magnetoresistance sensor
US5721654A (en) * 1995-11-30 1998-02-24 Nec Corporation Magnetometric sensor magnetically isolated two regions formed of spin-polarized material and magnetic head using the same
US5792569A (en) * 1996-03-19 1998-08-11 International Business Machines Corporation Magnetic devices and sensors based on perovskite manganese oxide materials
US6337991B1 (en) * 1996-11-05 2002-01-08 Corning Applied Technologies Corp. Large temperature coefficient of resistance material
JP3325478B2 (ja) * 1996-12-27 2002-09-17 ワイケイケイ株式会社 磁気抵抗効果素子および磁気検出器並びにその使用方法
US6117571A (en) * 1997-03-28 2000-09-12 Advanced Technology Materials, Inc. Compositions and method for forming doped A-site deficient thin-film manganate layers on a substrate
DE10110292C1 (de) * 2001-02-26 2002-10-02 Dresden Ev Inst Festkoerper Stromabhängiges resistives Bauelement
US7048890B2 (en) * 2001-12-21 2006-05-23 Koninklijke Philips Electronics N.V. Sensor and method for measuring the areal density of magnetic nanoparticles on a micro-array
JP2004271323A (ja) * 2003-03-07 2004-09-30 Delta Tooling Co Ltd 漏洩磁場検出装置
ES2276615B1 (es) * 2005-10-28 2008-04-16 Universidad Complutense De Madrid Dispositivo para la medida de campos magneticos continuos basado en oxidos mixtos de manganeso con estructura tipo perovskita.
CN116120049B (zh) * 2023-02-17 2024-01-19 矿冶科技集团有限公司 钙镧钴铁氧体磁体的制备方法、钙镧钴铁氧体磁体和应用

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2721205B2 (ja) * 1987-11-18 1998-03-04 株式会社東芝 非晶質酸化物磁性体及び磁心及び磁気記録媒体
TW269058B (de) * 1992-04-29 1996-01-21 Westinghouse Electric Corp

Also Published As

Publication number Publication date
US5411814A (en) 1995-05-02
EP0665601A1 (de) 1995-08-02
JPH07235022A (ja) 1995-09-05
DE69501795T2 (de) 1998-07-16
EP0665601B1 (de) 1998-03-18
JP3217632B2 (ja) 2001-10-09

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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