Patent · US Active

Semiconductor device, method for fabricating the same, and memory system including the semiconductor device

US9786785B2 · kind B2 · utility

3Cited by
1References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 2016
Grant dateOct 10, 2017
Priority date
Expiry dateMar 28, 2036

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D64/693

Abstract

Semiconductor device, method for fabricating the same and electronic devices including the semiconductor device are provided. The semiconductor device comprises an interlayer insulating layer formed on a substrate and including a trench, a gate electrode formed in the trench, a first gate spacer formed on a side wall of the gate electrode to have an L shape, a second gate spacer formed on the first gate spacer to have an L shape and having a dielectric constant lower than that of silicon nitride, and a third spacer formed on the second gate spacer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.