DEVELOPMENT OF AN IMPROVED JAN 6299
Final rept. for 1 May 1961-30 Jun 1964
GENERAL ELECTRIC CO OWENSBORO KY
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Results from improved alignment and concentricity, optimization of cathode coating and improved exhaust fixturing are now being applied to regular production tubes. Best results during humidity test have been obtained by improving plating techniques and controls to minimize metal shell corrosion. The improved tubes have given superior life test results with the anode seal temperature at 225C. The inverted cathode support ring results in cathode subassemblies with better uniformity and increased ruggedness. The temperature controller has been shown to decrease operator skill necessary to perform uniform exhaust cycles. The extended life test has completed 1795 hours. The complete data and failure analysis will be presented in an addendum to the Final Report.
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