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Study shows effect of surface preparations on improving thermionic emissionSpecimen thermionic emitters were electropolished and electroetched to study the effect of surface preparations on improving thermionic emission. The best technique found was to electropolish the annealed rhenium surface and then electroetch it. The effect of electroetching was to remove other crystal planes faster than basal planes.
Document ID
19660000491
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Van ~someren, L.
Date Acquired
August 3, 2013
Publication Date
November 1, 1966
Subject Category
Electronic Components And Circuits
Report/Patent Number
JPL-SC-140
Report Number: JPL-SC-140
Accession Number
66B10493
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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