US Patent 7186296 Film formation apparatus

A film formation apparatus by which a film thickness can be precisely measured and whether the film quality is good or bad can be confirmed in a process of performing film formation according to the aerosol deposition method. The film formation apparatus includes: an aerosol generating unit for generating an aerosol by dispersing a raw material powder by a gas; a holding unit for holding a substrate on which a structure is to be formed; a nozzle for injecting the aerosol generated by the aerosol generating unit toward the substrate; and a measurement unit for measuring an electric potential of a film formation surface on the substrate.