Patent ID: 6891131
Filing Date: 2005-05-10
Classification: C23C,H01L

Abstract:
1. A thermal processing system for performing predetermined thermal processing on an approximately circular to-be-processed object, by applying radiant heat to the to-be-processed object by means of a heating lamp system, the thermal processing system comprising: said heating lamp system which comprises a plurality of lamps disposed concentrically so as to correspond to the to-be-processed object, said plurality of lamps being controlled individually for respective zones of the to-be-processed object; a wall of a chamber in which the to-be-processed object is processed which is cooled by providing a cooling medium to said wall through medium paths provided in said wall; a plane-shaped or dome-shaped transmitting window provided so as to seal said heating lamp system in an airtight manner; a transmitting window provided between said heating lamp system and the to-be-processed object; and a reinforcing member reinforcing said transmitting window, wherein said reinforcing member comprises a plurality of members disposed in parallel and each extending in parallel to a bottom side of said transmitting window.