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Six Sigma based approach to enhance the PCB yield
Conference paper

Six Sigma based approach to enhance the PCB yield

Li-Fei Chen, Hung-Chun Lin, Hui-Po Hsu and Chao-Ton Su
Proceedings - 19th ISSAT International Conference on Reliability and Quality in Design, RQD 2013, pp.20-23
2013

Abstract

DMAIC Printed circuit board Six Sigma
This paper presents a case study that a PCB company applies DMAIC-based Six Sigma methodology to improve product yield and to reduce discarding cost. According to the analysis, the inner layer open is one of the reasons that results in PCBs defect units in this case. After improving the manufacturing process, the PCBs defect units were successfully reduced from 82,100 to 69,700 defects per million, generating a cost savings of US1.41 million.

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