Root Cause Analysis for Semiconductor Manufacturing

This technical report discusses the challenges faced by semiconductor manufacturers in understanding yield loss and improving production efficiency. It outlines the complexities of semiconductor fabrication, where each wafer undergoes numerous process steps, generating vast amounts of data that must be analyzed to identify root causes of defects. Traditional problem-solving methods are often inadequate, relying on manual analysis and intuition, which can lead to missed opportunities for improvement. The report presents Spotfire Industry Pro as a solution that integrates various data sources, enabling engineers to conduct advanced root cause analysis. It details how the platform allows for the visualization of production data, detection of anomalies, and identification of contributing factors to yield excursions. The report emphasizes the importance of collaborative data analysis among quality, process, and engineering teams to enhance problem resolution and support continuous performance improvement. Key capabilities of Spotfire are highlighted, including interactive visualizations and AI-powered recommendations, which facilitate effective decision-making and operational excellence.