Furnace for vertical solidification of melt

Details Furnace for vertical solidification of melt Furnace for vertical solidification of melt

1984-01-31

1985-04-09

Pellinen, A. D.

Industrial electric heating furnaces

Resistance furnace device

With internal atmosphere control

373117, 373128, H05B 340

Patent

active

045106096

ABSTRACT:
A furnace for growing large single crystals from materials having high meng temperatures using the vertical solidification of melt method. The crucible containing the melt being encased in a muffle with vertically oriented heating rods arranged in a circular pattern around the outside of the muffle. The tops of the heating rods being electrically connected to a continuous graphite ring, and the bottoms of equal numbers of rods being electrically connected to two semi-circular sections of graphite. The power feeds for the heating rods being vertically brought into the furnace from the bottom for electrical connection to the semi-circular sections of graphite.

REFERENCES:
patent: 3004090 (1961-10-01), Donovan et al.
patent: 3395241 (1968-07-01), Roman

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