Semiconductor device having capacitors
US9349724B2 · kind B2 · utility
6Cited by
19References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2012 |
| Grant date | May 24, 2016 |
| Priority date | — |
| Expiry date | Apr 1, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10B12/033
Abstract
A semiconductor device including at least one first capacitor and at least one second capacitor. The at least one first capacitor includes a first storage node having a cylindrical shape. The at least one second capacitor includes a lower second storage node having a hollow pillar shape including a hollow portion, and an upper second storage node having a cylindrical shape and extending upward from the lower second storage node.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.