Electric heating – Metal heating – Of cylinders
Patent
1978-08-31
1980-12-30
Reynolds, B. A.
Electric heating
Metal heating
Of cylinders
219 1067, 422246, 422249, 156608, 156DIG96, 432264, H05B 630, C30B 1516
Patent
active
042425530
ABSTRACT:
An improved apparatus characterized by an R-F coil, a crucible for confining a silicon melt, and a susceptor for supporting the crucible facilitating an electrical coupling of the coil with the melt. The susceptor comprises a pair of susceptor halves of a thickness less than two skin depths, each being the mirror image of the other, disposed in mutually opposed, electrically insulated relation, while the crucible comprises a quartz body supported by the graphite susceptor, whereby the R-F coil is electrically coupled with the melt.
REFERENCES:
patent: 2537289 (1951-01-01), Van Embden
patent: 3180917 (1965-04-01), Morrison et al.
patent: 3351686 (1967-11-01), Gayet et al.
patent: 3431326 (1969-03-01), Letter
patent: 3954551 (1976-05-01), Cecil et al.
patent: 4157373 (1979-06-01), Berkman et al.
"Basics of Induction Heating", Tudbury, 1960, vol. 1, pp. 77-80, Hollow Workpieces.
Berkman Samuel
Frosch Robert A. Administrator of the National Aeronautics and Space
Temple Harold E.
Leung Philip H.
Manning John R.
Mott Monte F.
Reynolds B. A.
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