Patent · US Expired

Electrically programmable memory element with improved contacts

US6969866B1 · kind B1 · utility

149Cited by
9References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 25, 1999
Grant dateNov 29, 2005
Priority date
Expiry dateMar 25, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C13/0004
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A memory element comprising a volume of phase change memory material; and first and second contact for supplying an electrical signal to the memory material, wherein the first contact comprises a conductive sidewall spacer. Alternately, the first contact may comprise a contact layer having an edge adjacent to the memory material.

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