System developed for studying use of laser beam for zone-refining semiconductors and metals. Specimen scanned with focused CO2 laser beam in such way that thin zone of molten material moves along specimen sweeps impurities with it. Zone-melting system comprises microcomputer, laser, electromechanical and optical components for beam control, vacuum chamber that holds specimen, and sensor for determining specimen temperature.


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    Titel :

    Zone Refining by Laser


    Beteiligte:
    Griner, D. B. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1986-03-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Laser Vacuum Furnace for Zone Refining

    Griner, D. B. / Zurburg, F. W. / Penn, W. M. | NTRS | 1986


    Zone-refining encapsulated semiconductors

    Davidson, M. C. / Holland, L. R. | NTRS | 1979



    Redefining Refining

    Online Contents | 2008


    Refining FISH

    Suhler, Paul A. | AIAA | 2009