Multi-level data memorisation device with phase change material
US7943923B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 25, 2008 |
| Grant date | May 17, 2011 |
| Priority date | — |
| Expiry date | Feb 19, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C2213/71
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A data memorization device including at least: a stack of layers including at least one memory layer based on a phase change material arranged between at least two insulating layers, placed on a substrate, a plurality of columns arranged in the stack of layers, and passing through each layer of the stack, each of the columns being based on at least one electrically conducting material, and a plurality of memorization elements formed by annular portions of the at least one memory layer surrounding columns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.