Patent · US Active

Memory device with improved data retention

US7968464B2 · kind B2 · utility

0Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 5, 2010
Grant dateJun 28, 2011
Priority date
Expiry dateOct 5, 2030

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

The present memory device include first and second electrodes, a passive layer between the first and second electrodes, and an active layer between the first and second and into which ions from the passive layer may be provided, and from which the ions may be provided into the passive layer. The active layer is made up of a base material and an impurity therein. The combined the material and impurity have a lower diffusion coefficient than the base material alone.

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