Development Of Standard Time In Die Bond Process : A Case Study In A Semiconductor Industry

Lim, Eu Sheng (2019) Development Of Standard Time In Die Bond Process : A Case Study In A Semiconductor Industry. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The era of technologies is growing rapidly in terms of development and production, causing the demand for semiconductors to grow significantly. Thus, the semiconductor industry has been more competitive than ever before. According to the lean manufacturing philosophy, productivity can be boosted via work and time measurement techniques by establishing suitable standard time and work methods. In the case study, a standard time was developed for the changeover process in die bond, which is a process in the semiconductor company. The standard time was developed for the new improved work elements of changeover process in the company. 18 work elements in the changeover process were first identified and established. Normal time, a value needed to calculate standard time was obtained by two work measurements namely stopwatch time study and BasicMOST. The non value added activities and their respective time in the changeover was identified via the synergy of data from both work measurements with the integration of both quantitative, comparison of normal time and qualitative analysis, flow process chart. 7 out of 18 work elements were classified as transport activity which took up 39 percent of the changeover process in terms of time. A total of 23.96 seconds of non value added time from both operation and transportation in changeover process were eliminated as the time was found to be avoidable. This avoidable time was not inclusive in the normal time from BasicMOST used to establish standard time. The standard time was calculated to be 22.91 minutes using BasicMOST. BasicMOST was found to be more effective than stopwatch time study. In addition, the findings allowed a deduction at which the new improved work procedures were effective.

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