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Failure analysis and construction analysis of electronic and electrical components have been the primary emphases of the Southwest Research Institute (SwRI) Component-Analysis Group since 1978. Using specialized equipment, experienced analysts perform:
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Normal wear out of the contact-arm pivot in this snap-action switch diverted some of the load current through the spring in the over-center mechanism. Joule heating raised the temperature of the spring high enough to melt the thermoplastic
actuator, thus allowing the spring to move into a neutral position that disabled the over-center snap action and made the switch inoperative. |
Package opening and decapsulation Microscopy Mounted cross sectioning Unmounted cross sectioning Plasma etching Wet-chemical etching Material removal Microprobing Hermeticity testing Wire-bond strength measurement Particle-impact-noise detection
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This integrated circuit die failed because of an accidental short circuit during manual probing of the circuit board. Future failures were avoided with more careful probing techniques.
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Industries Using Electronic Failure Analysis
Over the years, the Electronic and Electrical Component Analysis Group has served a wide range of industries, including:
Aerospace Automotive Computer Consumer appliance Electric utility Electronic component Government Industrial control Petrochemical Semiconductor
Component Analysis Services Available
For more information about electronic and electrical component analysis,
failure analysis, or how you can contract with SwRI, please contact
Stan Silvus at
ssilvus@swri.org
or (210) 522-2742, or
Ken
Bennett at kbennett@swri.org
or (210) 522- 5242.
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Southwest Research Institute® (SwRI®), headquartered
in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied
engineering and physical sciences research and development organization with
11
technical divisions.
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