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The increase in the I/O density and the decrease in the size of electronic packages have driven the need for high-density interconnect (HDI) circuit boards that use microvias as interconnects. One challenge for HDI circuit board development is to fabricate microvias without generating voids in deposited copper structures. A parametric study was conducted to investigate the effects of voids on the...
The concept of using canary devices to predict the failure of a system is gaining momentum but there are practical issues that challenge the mainstream implementation of canary device based prognostics. This paper provides a general methodology for implementation of the canary based prognostics. This paper presents an approach to tackle practical issues including determining the number of canary devices...
This paper presents a approach for anomaly detection of electronic products using the Mahalanobis Distance (MD) and Weibull distribution. The MD value is used as a health index, which has the advantage of both summarizing the multivariate operating parameters and reducing the data set into a univariate distance index. The Weibull distribution is used to determine health decision metrics, which are...
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