GB2351604B - Magnetoresistive element - Google Patents

Magnetoresistive element

Info

Publication number
GB2351604B
GB2351604B GB0011595A GB0011595A GB2351604B GB 2351604 B GB2351604 B GB 2351604B GB 0011595 A GB0011595 A GB 0011595A GB 0011595 A GB0011595 A GB 0011595A GB 2351604 B GB2351604 B GB 2351604B
Authority
GB
United Kingdom
Prior art keywords
magnetoresistive element
magnetoresistive
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
GB0011595A
Other versions
GB2351604A (en
GB0011595D0 (en
Inventor
Bosch Gmbh Robert
Peter Schmollngruber
Martin Freitag
Hubert Brueckl
Sonja Heitmann
Andras Huetten
Guenter Reiss
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB0011595D0 publication Critical patent/GB0011595D0/en
Publication of GB2351604A publication Critical patent/GB2351604A/en
Application granted granted Critical
Publication of GB2351604B publication Critical patent/GB2351604B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
    • 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
    • H10N50/10—Magnetoresistive devices

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Hall/Mr Elements (AREA)
  • Thin Magnetic Films (AREA)
  • Measuring Magnetic Variables (AREA)
GB0011595A 1999-05-29 2000-05-12 Magnetoresistive element Expired - Fee Related GB2351604B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19924756A DE19924756A1 (en) 1999-05-29 1999-05-29 Magnetoresistive element

Publications (3)

Publication Number Publication Date
GB0011595D0 GB0011595D0 (en) 2000-07-05
GB2351604A GB2351604A (en) 2001-01-03
GB2351604B true GB2351604B (en) 2002-01-23

Family

ID=7909662

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0011595A Expired - Fee Related GB2351604B (en) 1999-05-29 2000-05-12 Magnetoresistive element

Country Status (4)

Country Link
DE (1) DE19924756A1 (en)
FR (1) FR2794288A1 (en)
GB (1) GB2351604B (en)
IT (1) IT1317590B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19949714A1 (en) * 1999-10-15 2001-04-26 Bosch Gmbh Robert Magnetically sensitive component used as a sensor element operating according to a spin-valve principle in vehicles comprises two magneto-resistive layer systems with a reference layer, an intermediate layer and a detection layer

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0485129A1 (en) * 1990-11-01 1992-05-13 Kabushiki Kaisha Toshiba Magnetoresistive device and method of making
US5313186A (en) * 1991-12-23 1994-05-17 Thomson-Csf Sensor of weak magnetic fields, with magnetoresistive effect
EP0620572A1 (en) * 1993-04-13 1994-10-19 Matsushita Electric Industrial Co., Ltd. Element having magnetoresistive effect
US5432661A (en) * 1993-02-03 1995-07-11 Seisan Kaihatsu Kagaku Kenkyusho Magnetoresistance effect element
EP0681338A1 (en) * 1994-05-02 1995-11-08 Matsushita Electric Industrial Co., Ltd. Magnetoresistance effect device and magnetoresistance effect type head, memory device, and amplifying device using the same
US5549978A (en) * 1992-10-30 1996-08-27 Kabushiki Kaisha Toshiba Magnetoresistance effect element
US5576915A (en) * 1993-03-15 1996-11-19 Kabushiki Kaisha Toshiba Magnetoresistive head with antiferromagnetic sublayers interposed between first and second spin-valve units to exchange bias inner magnetic films thereof
EP0800161A2 (en) * 1996-04-04 1997-10-08 Fujitsu Limited Spin valve magnetoresistive head and method of manufacturing the same and magnetic memory apparatus
US5701222A (en) * 1995-09-11 1997-12-23 International Business Machines Corporation Spin valve sensor with antiparallel magnetization of pinned layers
US5825595A (en) * 1997-05-13 1998-10-20 International Business Machines Corporation Spin valve sensor with two spun values separated by an insulated current conductor
US5828525A (en) * 1994-03-15 1998-10-27 Kabushiki Kaisha Toshiba Differential detection magnetoresistance head
US5828526A (en) * 1995-08-03 1998-10-27 Sony Corporation Magnetoresistance effect element and magnetic field detection device
WO2000019226A1 (en) * 1998-09-28 2000-04-06 Seagate Technology Llc Quad-layer gmr sandwich

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0485129A1 (en) * 1990-11-01 1992-05-13 Kabushiki Kaisha Toshiba Magnetoresistive device and method of making
US5313186A (en) * 1991-12-23 1994-05-17 Thomson-Csf Sensor of weak magnetic fields, with magnetoresistive effect
US5549978A (en) * 1992-10-30 1996-08-27 Kabushiki Kaisha Toshiba Magnetoresistance effect element
US5432661A (en) * 1993-02-03 1995-07-11 Seisan Kaihatsu Kagaku Kenkyusho Magnetoresistance effect element
US5576915A (en) * 1993-03-15 1996-11-19 Kabushiki Kaisha Toshiba Magnetoresistive head with antiferromagnetic sublayers interposed between first and second spin-valve units to exchange bias inner magnetic films thereof
EP0620572A1 (en) * 1993-04-13 1994-10-19 Matsushita Electric Industrial Co., Ltd. Element having magnetoresistive effect
US5828525A (en) * 1994-03-15 1998-10-27 Kabushiki Kaisha Toshiba Differential detection magnetoresistance head
EP0681338A1 (en) * 1994-05-02 1995-11-08 Matsushita Electric Industrial Co., Ltd. Magnetoresistance effect device and magnetoresistance effect type head, memory device, and amplifying device using the same
US5828526A (en) * 1995-08-03 1998-10-27 Sony Corporation Magnetoresistance effect element and magnetic field detection device
US5701222A (en) * 1995-09-11 1997-12-23 International Business Machines Corporation Spin valve sensor with antiparallel magnetization of pinned layers
EP0800161A2 (en) * 1996-04-04 1997-10-08 Fujitsu Limited Spin valve magnetoresistive head and method of manufacturing the same and magnetic memory apparatus
US5825595A (en) * 1997-05-13 1998-10-20 International Business Machines Corporation Spin valve sensor with two spun values separated by an insulated current conductor
WO2000019226A1 (en) * 1998-09-28 2000-04-06 Seagate Technology Llc Quad-layer gmr sandwich

Also Published As

Publication number Publication date
ITMI20001075A0 (en) 2000-05-16
GB2351604A (en) 2001-01-03
DE19924756A1 (en) 2000-11-30
FR2794288A1 (en) 2000-12-01
ITMI20001075A1 (en) 2001-11-16
IT1317590B1 (en) 2003-07-15
GB0011595D0 (en) 2000-07-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060512