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Tunable Microwave Cavity For Ion SourceMovable probe and tuning wall adjusted to obtain resonance at microwave frequency used to generate plasma in cell at one end of microwave cavity. Electroless discharge without disadvantages of dc-cathode-discharge and RF-induction methods. To achieve precise positioning, coaxial probe extends into microwave cavity through tube.
Document ID
19880000514
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Nakanishi, Shigeo (NASA Lewis Research Center, Cleveland, OH.)
Calco, Frank S. (NASA Lewis Research Center, Cleveland, OH.)
Scarpelli, August R. (NASA Lewis Research Center, Cleveland, OH.)
Date Acquired
August 13, 2013
Publication Date
November 1, 1988
Publication Information
Publication: NASA Tech Briefs
Volume: 12
Issue: 10
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
LEW-13935
Accession Number
88B10514
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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