The effect of thermal diffusion on the formation of interface resistance on oxide-coated cathodes.
Levy, Irving E
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The goal of this investigation is to determine many of the factors which contribute to cathode interface resistance formation in a commercial type twin triode and to analyze these factors quantitatively by well known chemical and physical methods, However, since the vacuum tube represents such a complex system it is necessary to introduce this problem by reference to early history and many of the parameters associated with vacuum tube manufacture. With reference to historical introduction, the electron theory of metals, with special emphasis on the role which work function plays, is discussed. [TRUNCATED]
Thesis (M.A.)--Boston University