Patent ID: 8906161

Claim:
A semiconductor producing device for supplying a processing gas to a vacuum container, exhausting the gas, and processing a substrate, wherein a substrate holding means for holding the substrate is installed inside the vacuum container, a substrate holding member for holding the substrate is provided on an upper stage of the substrate holding means, a supporting member for supporting a substrate heating means is provided on a lower stage of the substrate holding means, a heating means installation space is formed between an upper surface of the supporting member and a bottom surface of the substrate holding member, the substrate heating means is installed on the bottom of the heating means installation space and installed between multiple projections of the supporting member provided on the upper surface of the supporting member, the supporting member is covered by the substrate holding member, a first clearance is provided between the substrate heating means and the bottom surface of the substrate holding member, a second clearance is provided between upper surface of the multiple projections and the bottom surface of the substrate holding member, a wire for supplying electric power to the substrate heating means is inserted in a hole in a shaft for supporting the substrate holding means, and the heating means installation space and the interior of the shaft, connect to the atmosphere, and such that the substrate heating means and the wire are directly connected to the atmosphere through the hole in the shaft, wherein the supporting member is fixed airtight to the substrate holding member by adhesives or heat weld.