Patent · US Active

Phase change material with filament electrode

US7560721B1 · kind B1 · utility

22Cited by
0References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 21, 2008
Grant dateJul 14, 2009
Priority date
Expiry dateFeb 21, 2028

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C2213/52
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

The present invention, in one embodiment, provides a memory device that includes a phase change memory cell; a first electrode; and a layer of filamentary resistor material positioned between the phase change memory cell and the first electrode, wherein at least one bistable conductive filamentary pathway is present in at least a portion of the layer of filamentary resistor material that provides electrical communication between the phase change memory cell and the first electrode.

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