This research here addresses the improvement of first pass yield on the production floor of ABC Semiconductor. ABC is a company running a multiple volume complex product in alignment with the memory business in the operation. First pass yield refers to the proportion of fully built products that pass testing without the need for additional rework. The first pass yield (FPY) project began in 2015 and showed steady progression for its first five years. But over the following years, the primary yield metric which is first passed yield has stayed stagnant. The goal of the paper presented here is to analyze the reasons for the current performance and propose novel ways of improving the metric again using quality management tools. In this research, multiple quality tools have been demonstrated to enable the quality improvement recommendation which is classified as the statistical and systemic approach is being presented. The most common is using the 7QC tools method by categorizing failure pareto that will lead to targeted corrective action to reduce the recurrence of pre-identified failure modes. A DMAIC methodology is established on how to define an efficient corrective action, along with a top-three major defect on data acquired from the ABC organization.
