Patent · US Expired

Forming a thin film structure

US7422770B2 · kind B2 · utility

13Cited by
6References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 24, 2003
Grant dateSep 9, 2008
Priority date
Expiry dateDec 24, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D30/6746
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A method and apparatus of forming a microcrystalline thin film comprises supplying a first gas and a second gas into a chamber containing a substrate during a first process, and supplying the second gas but not the first gas into the chamber during a second process. The first and second processes are performed plural times to form the microcrystalline thin film.

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