Patent · US Expired

Method of fabricating semiconductor device

US6890831B2 · kind B2 · utility

0Cited by
9References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 2, 2003
Grant dateMay 10, 2005
Priority date
Expiry dateJun 2, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D84/0188
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A method of fabricating a semiconductor device capable of improving reliability of a gate insulator film is obtained. This method of fabricating a semiconductor device comprises a step of forming a gate insulator film on the main surface of a semiconductor layer by heat treatment, and the step of forming the gate insulator film includes a step of performing the heat treatment in an atmosphere containing oxidizing gas at a temperature exceeding the temperature causing viscous flow of the gate insulator film thereby forming the gate insulator film on the main surface of the semiconductor layer.

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