Universal multizone crystallizator (UMC) furnace: an international cooperative agreement

Dale A. Watring; Ching-Hua Su; Donald C. Gillies; Tomas Roosz; N. Babcsan

doi:10.1117/12.244351

12 July 1996 Universal multizone crystallizator (UMC) furnace: an international cooperative agreement

Dale A. Watring, Ching-Hua Su, Donald C. Gillies, Tomas Roosz, N. Babcsan

Proceedings Volume 2809, Space Processing of Materials; (1996) https://doi.org/10.1117/12.244351
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

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.

Citation Download Citation

Dale A. Watring, Ching-Hua Su, Donald C. Gillies, Tomas Roosz, and N. Babcsan "Universal multizone crystallizator (UMC) furnace: an international cooperative agreement", Proc. SPIE 2809, Space Processing of Materials, (12 July 1996); https://doi.org/10.1117/12.244351

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