Heat treatment boat

作者: Shingo Watanabe

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摘要: A heat treatment boat for mounting a number of disc-shaped objects to be treated at vertical interval thereof in furnace comprises arcuate or ring-shaped support members provided on rods supporting the surface contact with undersides peripheral parts treated. The is disposed intermediate member high radiant absorption insulating cylinder. which are planted an annular circumferentially accordance contour and whose upper ends secured fixation member. such constitution can reduce occurrences slips when