Patent · US Expired

Method for improving a quality of dielectric layer and semiconductor device

US6548426B1 · kind B1 · utility

2Cited by
4References
7Claims
0Family size

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Key dates

Filing dateJul 25, 2000
Grant dateApr 15, 2003
Priority date
Expiry dateSep 21, 2020

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/3105
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

There is provided a method for improving film quality of an insulating film, which includes the steps of forming a silicon oxide film on a substrate, and heating the silicon oxide film by contacting an exposed surface of the silicon oxide film with a steam-containing atmosphere after the silicon oxide film is formed.

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