Patent ID: 6062869
Filing Date: 2000-05-16
Classification: C23C,H01L

Abstract:
A method for making a stacked film assembly including at least a top film and a bottom film, said method comprising:providing a first film in an area, the first film being intended to serve as the top film of the stacked film assembly;feeding a gaseous chemical compound in which the chemical elements required for the formation of a second film are contained into the area in which the first film is disposed, the second film being intended to serve as the bottom film of the stacked film assembly;breaking down the gaseous chemical compound in which the chemical elements for the formation of the second film are contained; andforming the second film onto the first film by chemical vapor deposition of the chemical elements to be included in the second film as provided by the breaking down of the gaseous chemical compound, while controlling the surface roughness (Ra) of the second film in contact with the first film to be no greater than 100 .ANG..