Semiconductor device
US8928033B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2011 |
| Grant date | Jan 6, 2015 |
| Priority date | — |
| Expiry date | Jun 14, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D84/038
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A semiconductor device, including a substrate having an active region defined therein, a plurality of bit lines extending on the substrate in a first direction, a plurality of interconnection lines extending on the substrate in a second direction, a pad electrically connected to the plurality of interconnection lines and configured to apply an external voltage, a plurality of metal contacts electrically connecting the interconnection lines and the plurality of bit lines, and a plurality of bit line contacts that are in contact with the active region and electrically connect the plurality of bit lines and the active region, wherein a size of at least some of the bit line contacts and/or at least some of the metal contacts vary based on a distance of the respective bit line contact or the metal contact from the pad.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.