| Summary: | 碩士 === 國立中央大學 === 工業管理研究所碩士在職專班 === 99 === The important 10 years after World War II is Taiwan economic growth up period. During this important 10 years, electronics industry rapidly grows up, and expands the enterprise size. At beginning in 1970, electronics industry only produced the simple consumer products as calculator. Till end of 1990, new manufacturing mode had been developed as OEM(Original Equipment Manufacturer)/ODM(Original Design Manufacturer)/OBD(Own Brand Design), some of OBD products were occupied 50% market share on the world. So that, the development of electronics industry is the important milestone in Taiwan economic growth up history.
The research object of this thesis is use LSS (Lean Six Sigma) to ramp up the producing yield rate in SMT (Surface Mounting Technology) process that is necessary and key process in almost electronics industries. Through the LSS management method to analyze the various elements, and take actions to improve processing key parameters. The eventually target is control the various elements to ramp up the yield rate.
So far, my company is facing a big problem with unstable producing yield rate that make company suffer in extra repair cost and scarp cost within bad products. Due to the construct of SMT process are by three parts, Operator/Equipment/Raw material. How to apply the LSS methodology in SMT process to get the various elements, and take improvement action to control the parameters to aim the yield rate target is the important issue need to solve.
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