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Proceedings Paper

Universal multizone crystallizator (UMC) furnace: an international cooperative agreement
Author(s): Dale A. Watring; Ching-Hua Su; Donald C. Gillies; Tomas Roosz; N. Babcsan
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Paper Abstract

The Universal Multizone Crystallizator (UMC) is a special apparatus for crystal growth under terrestrial and microgravity conditions. The use of twenty-five zones allows the UMC to be used for several normal freezing growth techniques. THe thermal profile is electronically translated along the stationary sample by systematically reducing the power to the control zones. Elimination of mechanical translation devices increases the systems reliability while simultaneously reducing the size and weight. THis paper addresses the UMC furnace design, sample cartridge and typical thermal profiles and corresponding power requirements necessary for the dynamic gradient freeze crystal growth technique. Results from physical vapor transport and traveling heater method crystal growth experiments are also discussed.

Paper Details

Date Published: 12 July 1996
PDF: 9 pages
Proc. SPIE 2809, Space Processing of Materials, (12 July 1996); doi: 10.1117/12.244351
Show Author Affiliations
Dale A. Watring, NASA Marshall Space Flight Ctr. (United States)
Ching-Hua Su, NASA Marshall Space Flight Ctr. (United States)
Donald C. Gillies, NASA Marshall Space Flight Ctr. (United States)
Tomas Roosz, Universities Space Research Association (United States)
N. Babcsan, Universities Space Research Association (United States)

Published in SPIE Proceedings Vol. 2809:
Space Processing of Materials
Narayanan Ramachandran, Editor(s)

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