Patent · US Active

Magnetic tunnel junction (MTJ) with a magnesium oxide tunnel barrier

US9287494B1 · kind B1 · utility

2Cited by
582References
18Claims
0Family size

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Key dates

Filing dateJul 30, 2013
Grant dateMar 15, 2016
Priority date
Expiry dateJul 30, 2033

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10N50/80
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A method for fabricating a magnetic tunnel junction (MTJ) is disclosed. The process involves annealing a stack that includes a tunnel barrier layer and cooling the stack under vacuum immediately after annealing. At least one overlayer is deposited on the tunnel barrier layer to form the MTJ.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.