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Carbon/Carbon Grids For Ion SourcesIon-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.
Document ID
19950065371
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Garner, Charles E.
(Caltech)
Date Acquired
August 17, 2013
Publication Date
May 1, 1995
Publication Information
Publication: NASA Tech Briefs
Volume: 19
Issue: 5
ISSN: 0145-319X
Subject Category
Physical Sciences
Report/Patent Number
NPO-19174
Accession Number
95B10212
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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