Quality testing of semiconductor components and electrical subsystems

On-Demand Webinar

Continuous improvements in quality and reduction in early life failures are key goals for semiconductor manufacturers, especially those supporting vehicle electrification applications.

Quality testing of semiconductor components and electrical subsystems

Continuous improvements in quality and reduction in early life failures are key goals for semiconductor manufacturers, especially those supporting vehicle electrification applications. Historically, semiconductor companies would deploy early life failure reduction efforts with electrical test or geospatial techniques to reject or test out potential failures. Burn-in and predictive test techniques like part average testing have been around for a long time. Additionally, other geospatial methods such as visual defect screening and algorithmic yield clustering looking for abnormal patterns are used to predict early life failures.

Today the vehicle electrification market has even stricter requirements. In the quest for zero defects, companies must reduce manufacturing errors and variability. Inline thermal resistance measurements add another road to quality for semiconductor companies. Thermal transient testing can measure semiconductor junction temperature responses to short pulses and provide insights to potential manufacturing defects. The technology can reveal inconsistencies in the heat conduction path, quantify their effect on thermal resistance and highlight their location. Problems such as TIM1 or die attach voids or delamination can be found in the fraction of seconds, but problems outside of the package, such as TIM2 quality can be also measured with short pulses.

The speaker will explain how to apply thermal transient testing technology for quality testing and how to evaluate results.

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