Patent ID: 8017186

Claim:
A film forming method, comprising the steps of: supplying a liquid composition containing film-forming material to a material supply chamber provided with a material supply port and a gas supply/exhaust port; supplying the composition containing film-forming material to a pressurizing chamber provided with an outlet through a material supply path from the material supply chamber; sealing the outlet and the material supply port; reducing a pressure in the material supply chamber, the material supply path, and the pressurizing chamber by exhausting gas from the gas supply/exhaust port of the material supply chamber; sealing the gas supply/exhaust port to make a reduced pressure state of the pressurizing chamber, the material supply path, and the material supply chamber; pressurizing the material supply chamber, the material supply path, and the pressurizing chamber by opening the gas supply/exhaust port and supplying gas therefrom; opening the outlet; and discharging the composition containing film-forming material from the outlet by pressurizing the pressurizing chamber so as to form a film.