摘要 |
Provided is a mounting table structure having a replaceable heating plate by removably arranging the heating plate in a heating plate accommodating chamber. A mounting table structure is provided with a mounting table, which is arranged inside a processing chamber and mounts thereon a target object, for performing specified heat treatment to the target object, and a hollow supporting column which supports the mounting table by making the mounting table stand on a bottom portion of the processing chamber. The mounting table is provided with a heating plate having a heater composed of an electric heat source embedded in a heat-resistant material, and a heating plate accommodating chamber composed of a heat-resistant and corrosion-resistant material for removably receiving the heating plate. The heating plate accommodating container includes a container body having an opening, and a cover portion attached to the container body. Thus, the heating plate is permitted to be replaced.
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