Patent · US Expired

Phase-change memory cell and method of fabricating the phase-change memory cell

US6936840B2 · kind B2 · utility

214Cited by
8References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 30, 2004
Grant dateAug 30, 2005
Priority date
Expiry dateJan 30, 2024

Classification

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

Abstract

A memory cell and method of fabricating the memory cell includes an insulating layer formed on a first electrode layer, the insulating layer having a first opening, a stencil layer formed on the insulating layer, and having a second opening formed in an area of the first opening, a phase-change material layer formed on a surface of the first electrode layer in the first opening, and an electrically conductive layer including a first portion formed on the stencil layer and defining a second electrode layer and a second portion formed on the phase-change material layer.

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