Abstract
IN the course of our investigations into the causes of deterioration of emission from oxide cathodes, we have noticed a phenomenon of possible significance. The phenomenon has been found to be common to a variety of tubes, including commercial pentodes and valves prepared in our own laboratory. A full investigation will be published in due course ; but it is felt that a note at this stage might interest some readers.
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METSON, G., HOLMES, M. Poisoning in High-Vacuum Oxide-Cathode Valves. Nature 163, 61–62 (1949). https://doi.org/10.1038/163061b0
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DOI: https://doi.org/10.1038/163061b0
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