S L Martin and G F Weston 1950 Br. J. Appl. Phys. 1 318 doi:10.1088/0508-3443/1/12/302
S L Martin and G F Weston
Show affiliationsThe spectral emittance values at a wavelength λ = 0.66 μ have been measured for various types of oxide-coated cathode, and for nickel cores, using a cylindrical diffuse reflectometer. The influence of various factors, essentially affecting the surface condition, on the emittance has been examined. Tables show for nickel the effect of stoving treatment, temperature, and getter flash; and for oxide-coated cathodes the strong effect of the oxide surface texture, and the subsidiary effects of glass tube baking temperature, and getter flash.
Issue 12 (December 1950)
Received 7 July 1950
S L Martin and G F Weston 1950 Br. J. Appl. Phys. 1 318
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