RESEARCH AND DEVELOPMENT PROGRAM INTRINSIC RELIABILITY SUBMINIATURE CERAMIC CAPACITORS.
Quarterly rept. no. 7, 1 Dec 63-29 Feb 64,
SPRAGUE ELECTRIC CO NORTH ADAMS MA
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A formula for calculating the approximate life time of individual subminiature ceramic capacitors on the basis of electrical measurements made before life test is presented. Pre-life-test characteristics of early failures among 753 capacitors undergoing life test appear to support the lifetime formula qualitatively. A slight change in the ceramic composition has produced improved current stability which promises longer life, and this report contains some characteristics of the improved capacitor. Author