BR112016007514A2 - método para medição tridimensional de campos magnéticos - Google Patents

método para medição tridimensional de campos magnéticos

Info

Publication number
BR112016007514A2
BR112016007514A2 BR112016007514A BR112016007514A BR112016007514A2 BR 112016007514 A2 BR112016007514 A2 BR 112016007514A2 BR 112016007514 A BR112016007514 A BR 112016007514A BR 112016007514 A BR112016007514 A BR 112016007514A BR 112016007514 A2 BR112016007514 A2 BR 112016007514A2
Authority
BR
Brazil
Prior art keywords
reading
plane
layer
magnetization
magnetic field
Prior art date
Application number
BR112016007514A
Other languages
English (en)
Inventor
Bandiera Sébastien
Original Assignee
Crocus Technology Sa
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 Crocus Technology Sa filed Critical Crocus Technology Sa
Publication of BR112016007514A2 publication Critical patent/BR112016007514A2/pt

Links

Classifications

    • 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
    • G01R33/098—Magnetoresistive devices comprising tunnel junctions, e.g. tunnel magnetoresistance sensors
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G11C11/165—Auxiliary circuits
    • G11C11/1673—Reading or sensing circuits or methods

Abstract

a presente invenção se refere a um método para realizar a leitura de um campo magnético externo usando uma célula de sensor magnético que compreende: uma junção de túnel magnético que inclui uma camada de referência tendo uma magnetização de referência ori-entada substancialmente paralela ao plano da camada de referência, uma camada de leitura tendo uma magnetização de leitura, e uma ca-mada de barreira de túnel entre as camadas de leitura e de referência; e a linha de campo configurada para passar uma corrente de campo para proporcionar a leitura de campo magnético adaptada para o ali-nhamento da magnetização de leitura; a magnetização da camada de leitura sendo capaz de ser orientada entre a direção paralela ao plano da camada de leitura e a direção perpendicular ao plano da camada de leitura quando a leitura de campo magnético é proporcionada; o campo magnético externo que compreende um componente no plano orientado paralelo ao plano da camada de leitura e um componente fora do plano perpendicular ao plano da camada de leitura; o método que compreende: fazer a leitura do componente fora do plano; e fazer a leitura do componente no plano.
BR112016007514A 2013-10-11 2014-10-01 método para medição tridimensional de campos magnéticos BR112016007514A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13290243.8A EP2860542B1 (en) 2013-10-11 2013-10-11 Method for measuring three-dimensional magnetic fields
PCT/EP2014/071107 WO2015052062A1 (en) 2013-10-11 2014-10-01 Method for measuring three-dimensional magnetic fields

Publications (1)

Publication Number Publication Date
BR112016007514A2 true BR112016007514A2 (pt) 2017-08-01

Family

ID=49518881

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016007514A BR112016007514A2 (pt) 2013-10-11 2014-10-01 método para medição tridimensional de campos magnéticos

Country Status (4)

Country Link
US (1) US9983275B2 (pt)
EP (1) EP2860542B1 (pt)
BR (1) BR112016007514A2 (pt)
WO (1) WO2015052062A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9897667B2 (en) 2016-01-26 2018-02-20 Nxp Usa, Inc. Magnetic field sensor with permanent magnet biasing
US9841469B2 (en) 2016-01-26 2017-12-12 Nxp Usa, Inc. Magnetic field sensor with multiple sense layer magnetization orientations
US9739842B2 (en) 2016-01-26 2017-08-22 Nxp Usa, Inc. Magnetic field sensor with skewed sense magnetization of sense layer
US10545196B2 (en) 2016-03-24 2020-01-28 Nxp Usa, Inc. Multiple axis magnetic sensor
US10145907B2 (en) 2016-04-07 2018-12-04 Nxp Usa, Inc. Magnetic field sensor with permanent magnet biasing
US9933496B2 (en) 2016-04-21 2018-04-03 Nxp Usa, Inc. Magnetic field sensor with multiple axis sense capability
JP6702034B2 (ja) * 2016-07-04 2020-05-27 株式会社デンソー 磁気センサ
US10534047B2 (en) * 2017-03-30 2020-01-14 Qualcomm Incorporated Tunnel magneto-resistive (TMR) sensors employing TMR devices with different magnetic field sensitivities for increased detection sensitivity
EP3385741B1 (en) * 2017-04-07 2019-12-18 Crocus Technology S.A. Magnetic sensor cell for measuring one- and two-dimensional magnetic fields and method for measuring said magnetic fields using the magnetic sensor cell
WO2018185608A1 (en) 2017-04-07 2018-10-11 Crocus Technology Sa Magnetic sensor cell for measuring one- and two-dimensional magnetic fields and method for measuring said magnetic fields using the magnetic sensor cell
US10852369B2 (en) 2019-01-09 2020-12-01 Infineon Technologies Ag Stray field robust xMR sensor using perpendicular anisotropy

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030235016A1 (en) * 2002-06-19 2003-12-25 International Business Machines Corporation Stabilization structures for CPP sensor
US7274080B1 (en) * 2003-08-22 2007-09-25 International Business Machines Corporation MgO-based tunnel spin injectors
DE102006022336B8 (de) * 2006-02-28 2015-12-31 Infineon Technologies Ag Magnetfeldsensor und Sensoranordnung mit demselben
FR2931011B1 (fr) * 2008-05-06 2010-05-28 Commissariat Energie Atomique Element magnetique a ecriture assistee thermiquement
US8378438B2 (en) * 2008-12-04 2013-02-19 Grandis, Inc. Method and system for providing magnetic elements having enhanced magnetic anisotropy and memories using such magnetic elements
US8432009B2 (en) * 2010-12-31 2013-04-30 Grandis, Inc. Method and system for providing magnetic layers having insertion layers for use in spin transfer torque memories
US20120299587A1 (en) * 2011-05-26 2012-11-29 Honeywell International Inc. Three-axis magnetic sensors
FR2976113B1 (fr) * 2011-06-06 2013-07-12 Commissariat Energie Atomique Dispositif magnetique a couplage d'echange
US20140048895A1 (en) * 2012-08-20 2014-02-20 Industrial Technology Research Institute Magnetic Tunnel Junction Device

Also Published As

Publication number Publication date
US9983275B2 (en) 2018-05-29
US20160252591A1 (en) 2016-09-01
EP2860542B1 (en) 2016-04-20
EP2860542A1 (en) 2015-04-15
WO2015052062A1 (en) 2015-04-16

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]