Report describes development of directional-solidification furnace in which axial magnetic field is imposed by surrounding ring permanent magnets and/or electromagnets and pole pieces. Furnace provides controlled axial temperature gradients in multiple zones, through which ampoule containing sample of material to be solidified is translated at controlled speed by low-vibration, lead-screw, stepping-motor-driven mechanism. Intended for use in low-gravity (spaceflight) experiments on melt growth of high-purity semiconductor crystals.


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    Title :

    Development Of A Magnetic Directional-Solidification Furnace


    Contributors:

    Published in:

    Publication date :

    1996-05-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English