Ion-extraction grids made of carbon/carbon composites used in spacecraft ion engines and industrial ion sources in place of molybdenum grids. In principle, carbon/carbon grids offer greater extraction efficiency and longer life. Grid fabricated by mechanical drilling, laser drilling, or electrical-discharge machining of array of holes in sheet of carbon/carbon. Advantages; better alignment and slower erosion.


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    Title :

    Carbon/Carbon Grids For Ion Sources


    Contributors:

    Published in:

    Publication date :

    1995-05-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English






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