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The stability of evaporated conductor film/bonding layer combinations of particular interest in tantalum film technology has been investigated in air and corrosive environments at elevated temperatures. The effects of evaporation conditions, conductor/bonding layer combination, temperature of aging and pattern geometry on the rate of degradation were examined. Possible contact degradation mechanisms...
Detailed analyses are presented for the decomposition products from a U.S.P. white mineral oil subjected to alternating voltage stress. On the assumption that free radical fragments are split from the parent hydrocarbon molecules of the oil, a free-radical mechanism is presented which accounts for the observed decomposition products.
The results of a study of the breakdown of a U.S.P. white mineral oil under electrical stress are presented. The extent of the breakdown was studied by measuring the pressure of gas developed during the application of voltage, starting with a system that was initially evacuated. The apparatus was constructed so that thorough degassing of the oil could be achieved prior to subjecting it to voltage...
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