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Magnetic tunnel junctions

  • US 9,960,346 B2
  • Filed: 05/07/2015
  • Issued: 05/01/2018
  • Est. Priority Date: 05/07/2015
  • Status: Active Grant
First Claim
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1. A magnetic tunnel junction comprising:

  • a conductive first magnetic electrode comprising magnetic recording material;

    a conductive second magnetic electrode spaced from the first electrode and comprising magnetic reference material;

    a non-magnetic tunnel insulator material between the first and second electrodes; and

    the magnetic recording material of the first electrode comprising a first magnetic region, a second magnetic region spaced from the first magnetic region, and a third magnetic region spaced from the first and second magnetic regions;

    a first non-magnetic insulator metal oxide-comprising region between the first and second magnetic regions; and

    a second non-magnetic insulator metal oxide-comprising region between the second and third magnetic regions, the magnetic recording material of the first electrode comprising at least one more magnetic region spaced from the third magnetic region, and comprising at least one more non-magnetic insulator metal oxide-comprising region between the third magnetic region and the at least one more magnetic region.

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