Patent · US Expired

Film forming apparatus

US4858558A · kind A · utility

21Cited by
4References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 21, 1988
Grant dateAug 22, 1989
Priority date
Expiry dateJan 21, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC30B25/12
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A film forming apparatus comprises a reaction furnace having a reaction chamber therein, injection nozzles for introducing a reactive fluid, provided on the reaction furnace, a discharge nozzle for discharging a reactive fluid, provided on the reaction furnace, and a pair of susceptors located in almost vertical position in the reaction chamber and having facing sides separated by a specified distance. The susceptors include a plurality of depressions formed in the respective facing sides thereof for holding a plurality of silicon wafers. The paired susceptors are rotated in mutually opposite directions.

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