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Production Engineering Measure for the Improved Reliability of Capacitors, Fixed, Solid Electrolyte, Tantalum High-Reliability 10mfd-20 Volt Capacitors

机译:生产工程措施提高电容器,固定,固体电解质,钽高可靠性10mfd-20伏电容器的可靠性

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The primary areas of process improvement studies were: (1) anodizing and re-forming; (2) carbon and silver coating; and (3) ageing. Tests of significance were performed on twelve combinations of process variables which were studied during this period; the variables were: (1) re-form voltages; (2) the number of carbon coats; and (3) carbon curing temperatures. Two primary conclusions derived from the work are: (1) Lot 1939, with the higher re-form voltage compared with Lot 1940, has a significantly lower average capacitance and dissipation factor, and somewhat higher d-c leakages; and (2) capacitors with 2-carbon coats and the 150C cure have lower average d-c leakages compared with the 125C cure on Lot 1940, whereas the converse is true for Lot 1939. (Author)

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