NASA NTRS · 19660000443
Thermionic scanner pinpoints work function of emitter surfaces
Abstract
In the electron tube testing, a thermionic scanner makes accurate spatial resolution measurements of the metallic surface work functions of emitters. The scanner determines the emitter function and its local departures from the mean value on a point-by-point basis for display on an oscilloscope.
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Rasor, N. S.. 1966-10-01. Thermionic scanner pinpoints work function of emitter surfaces. https://ntrs.nasa.gov/citations/19660000443
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