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Karthik Pandaram - IEEE Xplore Author Profile

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Marginal defects, such as high-resistance short or low-resistance open defects, are hard to detect by conventional pass-fail test methods because their manifestations are practically indistinguishable from the effects of regular variations. However, their coverage is essential for circuits with high-quality requirements and/or when early-life failures are a concern. In this paper, we propose an al...Show More
Large datasets are often available for machine learning tasks. However, only very few contain labels for all the samples because labeling is a very labor-intensive process. Hence, large unlabeled datasets are available but inaccessible to traditional supervised learning methods. In this work, we combine two approaches to reduce the number of required labels. First, self-supervised learning (SSL) t...Show More
The pivotal issue of reliability is one of the major concerns for circuit designers. The driving force is transistor aging, dependent on operating voltage and workload. At the design time, it is difficult to estimate close-to-the-edge guardbands that keep aging effects during the lifetime at bay. This is because the foundry does not share its calibrated physics-based models, comprised of highly co...Show More
This paper reports the feasibility study of developing an automatic deformation detection system. This system detects the out of roundness or deformation on the surface of cylindrical tubes or rods during mass production for specified application with better quality control. It has been identified that there is need for an automated system that will help tube or rod manufacturing industries to det...Show More