CRUCIBLE LIFTING DEVICE

Furnace for casting near-net shape (NNS) silicon

Heating unit comprised of ring heaters with ring support units disposed between the ring heaters and ingot growing device including the same

Electric arc furnace

CRUCIBLES FOR MELTING MATERIAL AND METHODS OF TRANSFERRING MATERIAL THEREFROM

Furnace combustion tube and mounting assembly

Combustion tube and seal assembly

Cylindrical combustion tube and mounting assembly

Tantalum-material multilevel distillation crucible and distillation process

Easily removable combustion tube

Half-crucible dry hearth melter