Ferroelectric storage device
US6801447B2 · kind B2 · utility
8Cited by
3References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 3, 2002 |
| Grant date | Oct 5, 2004 |
| Priority date | — |
| Expiry date | Sep 3, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C11/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
To provide a ferroelectric storage device which can read all the quantities of charge (polarization quantity: 2Pr) accumulated in a ferroelectric during a writing operation. In the present invention, a bit line is recharged, a charge quantity required for recharging is detected, and the quantity is read on a sub bit line, thereby achieving a stable reading operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.