VACUUM HEAT TREATMENT APPARATUS

摘要

PURPOSE: A vacuum heat treatment apparatus is provided to obtain a material with a uniform grain size by evenly discharging gas from the upper and lower parts of a reaction container. CONSTITUTION: A vacuum heat treatment apparatus comprises a chamber, a reaction container(32) located in the chamber, and a heating member heating the reaction container inside the chamber. A lower exhaust channel(324) is formed in the lower part of a side wall of the reaction container.