Patent · US Active

Film deposition method and film deposition apparatus

US9005459B2 · kind B2 · utility

1Cited by
16References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 15, 2012
Grant dateApr 14, 2015
Priority date
Expiry dateMay 29, 2032

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/67109
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A disclosed film deposition method includes steps of loading plural substrates each of which includes a pattern including a concave part in a reaction chamber in the form of shelves; depositing a silicon oxide film on the plural substrates by supplying a silicon-containing gas and an oxygen-containing gas to the reaction chamber; etching the silicon oxide film deposited on the plural substrates in the step of depositing by supplying a fluorine-containing gas and an ammonia gas to the reaction chamber; and alternately repeating the step of depositing and the step of etching.

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