Memory device with improved data retention
US7968464B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 5, 2010 |
| Grant date | Jun 28, 2011 |
| Priority date | — |
| Expiry date | Oct 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.