Patent ID: 6156107
Filing Date: 2000-12-05
Classification: B01D,Y10S

Abstract:
A trap apparatus comprising:a case provided for a gas exhaust system used for a film forming equipment which carries out a film forming processing on an object;a gas supply port, located in said case and connected to an exhaust pipe of said gas exhaust system, for introducing an exhaust gas, which flows through said exhaust pipe into said case;a gas exhaust port, located in said case and connected to said exhaust pipe of said gas exhaust system, for exhausting said exhaust gas, which flows through an inner space of said case to said exhaust pipe;a plurality of partition plates arranged in said case so as to partition said inner space of said case into a plurality of rooms between said gas supply port and said gas exhaust port;a gas distribution port provided in some of said plurality of partition plates such that said exhaust gas introduced into said case through said gas supply port, is allowed to flow through said plurality of rooms partitioned by said plurality of partition plates and then be exhausted from said gas exhaust port;a trap mechanism housed in each of said plurality of rooms, for trapping reaction byproducts contained in said exhaust gas introduced into said case through said gas supply port; anda temperature control mechanism for individually controlling temperatures in said rooms partitioned by said plurality of partition plates, wherein said temperature control mechanism includes heaters located in said rooms partitioned by said plurality of partition plates, temperature sensors located in said plurality of rooms for sensing temperatures in said plurality of rooms, and a controller for individually controlling said heaters based on temperature information supplied from said temperature sensors.