JACK R MCDONALD
Vehicle Board in Pittsburgh, PA
License number
Pennsylvania MV036714L
Category
Vehicle Board
Type
Vehicle Salesperson
Address
Address
Pittsburgh, PA 15237
Personal information
See more information about JACK R MCDONALD at radaris.comName
Address
Phone
5435 Guitner Rd, Chambersburg, PA 17202
4381 Pleasant Valley Rd, York, PA 17406
971 Randolph Dr, Yardley, PA 19067
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Arc Heater Production Of Silicon Involving Alkali Or Alkaline-Earth Metals
Arc Heater Production Of Silicon Involving Alkali Or Alkaline-Earth Metals
US Patent:
4139438, Feb 13, 1979
Filed:
Mar 31, 1978
Appl. No.:
5/891992
Inventors:
Maurice G. Fey - Plum Borough PA
Francis J. Harvey - Murrysville PA
Jack McDonald - Penn Hills PA
Francis J. Harvey - Murrysville PA
Jack McDonald - Penn Hills PA
Assignee:
Westinghouse Electric Corp. - Pittsburgh PA
International Classification:
B01K 100, C01B 3302
US Classification:
204164
Abstract:
A process for producing high purity silicon characterized by the employment of an electric arc heater into which a silicon halide is injected together with a metal reductant such as an alkali metal or an alkaline-earth metal which are reacted together by projecting them tangentially into a reaction chamber to cause the formation of liquid silicon and a gaseous metal halide salt which are separated in a suitable manner such as centrifugally or by condensation.
Arc Heater Production Of Silicon Involving Alkali Or Alkaline-Earth Metals
Arc Heater Production Of Silicon Involving Alkali Or Alkaline-Earth Metals
US Patent:
4102765, Jul 25, 1978
Filed:
Jan 6, 1977
Appl. No.:
5/757546
Inventors:
Maurice G. Fey - Plum Borough PA
Francis J. Harvey - Murrysville PA
Jack McDonald - Penn Hills PA
Francis J. Harvey - Murrysville PA
Jack McDonald - Penn Hills PA
Assignee:
Westinghouse Electric Corp. - Pittsburgh PA
International Classification:
B01K 100, C01B 3302
US Classification:
204164
Abstract:
A process for producing high purity silicon characterized by the employment of an electric arc heater into which a silicon halide is injected together with a metal reductant such as an alkali metal or an alkaline-earth metal which are reacted together by projecting them tangentially into a reaction chamber to cause the formation of liquid silicon and a gaseous metal halide salt which are separated in a suitable manner such as centrifugally or by condensation.