Patent · US Active

Magnetoresistive random access memory

US10566520B2 · kind B2 · utility

3Cited by
1References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 8, 2018
Grant dateFeb 18, 2020
Priority date
Expiry dateAug 24, 2038

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D89/10
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A semiconductor device includes a substrate having an array region defined thereon, a ring of magnetic tunneling junction (MTJ) region surrounding the array region, a gap between the array region and the ring of MTJ region, and metal interconnect patterns overlapping part of the ring of MTJ region. Preferably, the ring of MTJ region further includes a first MTJ region and a second MTJ region extending along a first direction and a third MTJ region and a fourth MTJ region extending along a second direction.

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