Case Study For Improvement On Led Testing Equipment Using Statistical Process Control At OSRAM OPTO Semiconductor

Nur Ilyana, Roslan (2013) Case Study For Improvement On Led Testing Equipment Using Statistical Process Control At OSRAM OPTO Semiconductor. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

In a competitive market environment, service and product quality are very important weapon to enable companies to compete and satisfy their customer requirements. The importance of quality has been recognized in many companies for obtaining higher quality products. In OSRAM OPTO Semiconductor Penang, the equipment linearity and GRR on LED tester testing equipment have not been proposed. This project research actually is to study the LED testing equipment in term oflinearity and GRR. Other than that, this project is to proposed improvement for tester capability. One of the method to improve the quality of process output where identifying the causes of defect and minimizing variability in manufacturing is by using Six Sigma. Six Sigma is a measure quality that seeks for near perfection. In order to monitor and control a process, a method called Statistical Process Control (SPC) is taken. According to Measurement System Analysis process, linearity and GRR is the best way to identify and quantify all the sources of measurement error which significant. GRR is a gage repeatability and reproducibility. The definition of GRR is a precision that is closeness of repeated reading to each other, a random precision that is closeness of repeated reading to each other and is a random error of component of measurement system. Whereas linearity is change in bias over operating range and correlation of multiple independent bias error over operating time. This project consist LED testing equipments that are IV tester and PHIV tester. The expected result of this project are LED tester that statistically capable and to improve equipment reliability and reduce error in testing

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