| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat treating device capable of improving temperature rise speed without causing warp and slip of a workpiece. SOLUTION: This heat treating device is provided with a treating unit 24 performing a prescribed heat treatment to the work piece W. The treating unit is provided with a treating vessel 26 formed of an optical transparent member, a support member 36 supporting the workpiece, upper part heating means 70 provided outside a ceiling part of the treating vessel, lower part heating means 72 provided outside the bottom of the treating vessel, a gas introducing means 50 introducing treating gas into the treating vessel, and exhaust means 40 exhausting atmosphere in the treating vessel. The workpiece is heated from the both sides so as to improve the temperature rise speed without causing the warp and the slip of the workpiece.
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