Patent ID: 8202367

Claim:
An atomic layer growing apparatus comprising: a film forming chamber having an internal space which can be sealed; a single material vaporizer configured to generate a source gas by vaporizing a material; a plurality of buffer tanks which are connected in parallel and filled with the source gas generated by said material vaporizer; fill valves which are respectively attached to said buffer tanks and control the filling of the source gas generated by said material vaporizer; supply valves which respectively control the supply of the source gas from said buffer tanks; and control unit configured to control opening/closing of said fill valves and said supply valves, wherein said control unit performs said opening/closing so that while the source gas is supplied into said film forming chamber by opening said supply valve of at least one of said buffer tanks, other buffer tanks having supply valves which are not open are filled with the source gas by opening said fill valves of said other tanks.