Patent · US Expired

Phase change memory and phase change recording medium

US7126149B2 · kind B2 · utility

147Cited by
0References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 29, 2004
Grant dateOct 24, 2006
Priority date
Expiry dateNov 3, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10B63/30
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A phase change memory comprises: a substrate; an insulation film formed on a main surface of the substrate; a first electrode deposited on the insulation film; a phase change recording film deposited on the first electrode; and a second electrode deposited on the phase change recording film. The phase change recording film contains at least two of Ge, Sb and Te as main constituting elements thereof. The first electrode comprises material of group of Ti, Si and N, or group of Ta, Si and N as main constituting material thereof.

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