Increases in grid perveance through reductions in grid spacings without the attendant tendency toward arcing and shorting between grids at close spacing are shown to be achievable through substitution of higher-perveance dished grids for flat grids. Such dished grids can be spaced more closely than flat grids without exhibiting a propensity for shorting because their thermal warpage characteristics are more uniform and predictable.


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    Title :

    Performance of a 15 cm ion thruster with dished grids


    Contributors:

    Conference:

    Conference on Electric propulsion of space vehicles ; 1973 ; Berks.


    Publication date :

    1973-01-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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    V.K. Rawlins / B.A. Banks / D.C. Byers | AIAA | 1973




    Measurement of beam divergence of 30-centimeter dished grids

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    Wimperis, H.E. | Engineering Index Backfile | 1900