Patent · US Active

Semiconductor device and method

US11935932B2 · kind B2 · utility

1Cited by
19References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 21, 2022
Grant dateMar 19, 2024
Priority date
Expiry dateJul 21, 2042

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D84/0133
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

In an embodiment, a device includes: a gate electrode; a epitaxial source/drain region adjacent the gate electrode; one or more inter-layer dielectric (ILD) layers over the epitaxial source/drain region; a first source/drain contact extending through the ILD layers, the first source/drain contact connected to the epitaxial source/drain region; a contact spacer surrounding the first source/drain contact; and a void disposed between the contact spacer and the ILD layers.

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