Float-zone processing in a weightless environment

Details Float-zone processing in a weightless environment Float-zone processing in a weightless environment

Nov 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976stin...7712954f&link_type=abstract

Float-zone processing in a weightless environment NASA

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Applications

Aerospace Environments, Convective Flow, Crystal Structure, Weightlessness Simulation, Crystal Growth, Crystals, Flow Visualization, Microgravity Applications, Reduced Gravity, Silicon, Space Commercialization

Scientific paper

The results were reported of investigations to: (1) test the validity of analyses which set maximum practical diameters for Si crystals that can be processed by the float zone method in a near weightless environment, (2) determine the convective flow patterns induced in a typical float zone, Si melt under conditions perceived to be advantageous to the crystal growth process using flow visualization techniques applied to a dimensionally scaled model of the Si melt, (3) revise the estimates of the economic impact of space produced Si crystal by the float zone method on the U.S. electronics industry, and (4) devise a rational plan for future work related to crystal growth phenomena wherein low gravity conditions available in a space site can be used to maximum benefit to the U.S. electronics industry.

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