Induction furnace for heating a workpiece in an inert...

Details Induction furnace for heating a workpiece in an inert... Induction furnace for heating a workpiece in an inert...

2005-03-01

2005-03-01

Campbell, Thor (Department: 3742)

Electric heating

Inductive heating

Specific heating application

C219S624000, C219S634000, C336S083000

Reexamination Certificate

active

06861629

ABSTRACT:
An induction furnace, according to one embodiment of the invention, includes an induction heating system and a chamber that comprises a quartz cylinder, a top cover for sealing the top end of the cylinder, and a bottom cover for sealing the bottom end of the cylinder. The induction heating system includes a power supply and a coil. The coil surrounds the chamber. Contained within the chamber is a susceptor that is susceptable to induction heating. Also contained in the chamber is a thermal insulator that is disposed between the susceptor and the inner walls of the chamber. The insulator includes a fused quartz container in which the susceptor and the workpiece are contained.

REFERENCES:
patent: 4550412 (1985-10-01), Holcombe et al.
patent: 4791261 (1988-12-01), Phinney et al.
patent: 5482257 (1996-01-01), Holcombe et al.
patent: 5713979 (1998-02-01), Nicholson et al.
patent: 5986233 (1999-11-01), Antieau et al.
patent: 6649887 (2003-11-01), Budinger

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