Patent ID: 9181607
Filing Date: 2015-11-10
Classification: B22F,C04B,C22C,F27D,H01L

Abstract:
1. An apparatus for producing an Mg 2 Si 1-x Sn x , polycrystal, comprising at least: a reaction vessel for synthesizing an Mg an inorganic fiber layer which is fixedly provided above the starting material charged into the reaction vessel and is permeable to air, until a product of MgO and Mg—Si—O generated by chemical reaction of vaporized Mg with residual oxygen and oxygen in inorganic fibers blocks oxygen permeation through the inorganic fiber layer during the synthesis of the polycrystal; heating means for heating the reaction vessel; and control means for controlling a heating temperature and heating time of the reaction vessel, in the formula (1), x is 0 to 1.