Patent · US Expired

Method of fabricating semiconductor device

US6992020B2 · kind B2 · utility

0Cited by
12References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 30, 2004
Grant dateJan 31, 2006
Priority date
Expiry dateJul 30, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/02274
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor device of this invention includes a silicon nitride film formed on a semiconductor substrate and having a density of 2.2 g/cm3 or less, and a silicon oxide film formed on the silicon nitride film in an ambient atmosphere containing TEOS and O3.

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