Patent ID: 8709540

Claim:
A film forming method comprising the steps of: placing a substrate over an evaporation source in a film forming chamber, the evaporation source being filled with an organic compound; and depositing over the substrate a film including the organic compound by evaporating the organic compound in the film forming chamber, wherein material gas is introduced from a first nozzle to the film forming chamber during the deposition of the organic compound, wherein the material gas is selected from monosilane, disilane, trisilane, SiF 4 , GeH 4 , GeF 4 , and SnH 4 , wherein inert gas is introduced from a second nozzle to the film forming chamber during the deposition of the organic compound, and wherein the first nozzle and the second nozzle are located over the substrate and configured so that the material gas and the inert gas are mixed with each other after the material gas and the inert gas are released into the film forming chamber.