MAGNETORESISTIVE CURRENT LIMITER - JIANGSU MULTIDIMENSIONAL TECHNOLOGY CO LTD

Title:

MAGNETORESISTIVE CURRENT LIMITER

Document Type and Number:

WIPO Patent Application WO/2015/014248

Kind Code:

A1

Abstract:

A magnetoresistive current limiter, comprising a substrate (1), a magnetoresistive sensor layer (2), a first insulating layer, a coil (4), a second insulating layer, a magnetic shield layer (6), and an input electrode (8) and output electrode (7). The coil (4) is located between the magnetic shield layer (6) and the magnetoresistive sensor layer (2); The first and second insulating layers are isolated from the magnetoresistive sensor layer (2) and the coil (4), and from the coil (4) and the magnetic shield layer (6), respectively; the magnetoresistive sensor layer (2) and the coil (4) are connected in series, and are connected to the input electrode (8) and the output electrode (7). The magnetoresistive sensor layer (2) comprises N rows of array-type magnetic tunnel junction lines; the coil (4) comprises 2*N+M (N>1, M=-1 or 3) conductive lines in series or N+M (N>1, M=0 or 2) conductive lines in parallel; current flows in the same direction into the conductive lines located above or below the tunnel junction lines and produces, at the magnetic tunnel junction lines, a uniform magnetic field. The magnetic tunnel junction of the magnetically sensitive axis is perpendicular to the magnetic tunnel junction lines, and the magnetoresistive sensor layer (2) has the feature of a monotonic or axisymmetric linear rise in resistance to the magnetic field. The magnetoresistive current limiter has the features of rapid response, continuous operation, and ability to increase or decrease current.

Inventors:

ZHOU ZHIMIN (CN)
DEAK JAMES GEZA (CN)

Application Number:

PCT/CN2014/083054

Publication Date:

February 05, 2015

Filing Date:

July 25, 2014

Export Citation:

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Assignee:

JIANGSU MULTIDIMENSIONAL TECHNOLOGY CO LTD (CN)

International Classes:

H02H9/02; H01L43/08

Foreign References:

CN103414176A	2013-11-27
CN203481806U	2014-03-12
CN1251939A	2000-05-03
CN102043089A	2011-05-04
CN1619913A	2005-05-25
EP0620570A1	1994-10-19
US20060268471A1	2006-11-30
JP2013038334A	2013-02-21

Other References: