Ferroelectric capacitors and methods of fabrication
US12048165B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2020 |
| Grant date | Jul 23, 2024 |
| Priority date | — |
| Expiry date | Aug 6, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10B53/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An integrated circuit capacitor structure, includes a first electrode includes a cylindrical column, a ferroelectric layer around an exterior sidewall of the cylindrical column and a plurality of outer electrodes. The plurality of outer electrodes include a first outer electrode laterally adjacent to a first portion of an exterior of the ferroelectric layer and a second outer electrode laterally adjacent to a second portion of the exterior of the ferroelectric layer, wherein the second outer electrode is above the first outer electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.