Microcircuit Accelerated Testing Using High Temperature Operating Tests

The general validity and effectiveness of accelerated tests of microcircuits using both temperature and voltage as accelerating stresses has been demonstrated. However, the inherent effectiveness of the accelerated tests can only be assured through careful selection of the life-test circuit-configur...

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Bibliographic Details
Published in:IEEE transactions on reliability 1975-10, Vol.R-24 (4), p.238-250
Main Authors: Stitch, Morton, Johnson, Gordon M., Kirk, Bruce P., Brauer, Joseph B.
Format: Article
Language:English
Subjects:
Acceleration
Circuit testing
Contracts
Failure analysis
Life estimation
Life testing
Mathematical analysis
Temperature
Thermal stresses
Voltage
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Summary:The general validity and effectiveness of accelerated tests of microcircuits using both temperature and voltage as accelerating stresses has been demonstrated. However, the inherent effectiveness of the accelerated tests can only be assured through careful selection of the life-test circuit-configuration, and test temperatures, and the effective analysis of the resulting failure data. Careful selection of the accelerating electrical and thermal stresses is essential for maximum acceleration of use-condition failure-mechanisms without introducing damaging or unrealistic failure modes. Effective mathematical analysis of the test data is necessary to ensure an accurate determination of use-condition failure-rates. A discussion of the techniques utilized to conduct microcircuit accelerated life testing and a detailed description of a recent microcircuit accelerated test study program conducted under contract to the Rome Air Development Center are presented.
ISSN:0018-9529
1558-1721
DOI:10.1109/TR.1975.5215180