Long-Life Cold Cathode Studies for Crossed-Field Tubes.
Quarterly progress rept. no. 12, 15 Jul-15 Oct 68,
RAYTHEON CO WALTHAM MA MICROWAVE AND POWER TUBE DIV
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The objective of the present cold-cathode study program was to achieve long life cold-cathode performance for crossed-field amplifiers. Selected cold-cathode materials were evaluated as to their secondary emission properties, their ability to withstand environmental factors expected in a crossed-field amplifier, and their crossed-field amplifier performance. Based on the above experimental information and pertinent theoretical calculations, a life prediction chart will be established for a number of cold-cathode materials. Author
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