electron scanning 1. The moving of an electron beam back and forth and/or up and down by deflecting the beam electromagnetically or electrostatically. 2. A deflection of a beam of electrons, at regular intervals, across a CRT screen, according to a definite pattern.
electron spectroscopy The theory and interpretation of spectra produced by the electron emissions of substances after their irradiation by X-rays.
electron spin The twirling motion of an electron, independent of any orbital motion.
electron-stream potential The time average of the difference in potential between a point in an electron stream and the electron-emitting surface.
electron-stream transmission efficiency With respect to an electrode through which an election stream passes, ...
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