Apr. 19, 2007Leachman - Cycle Time2Agenda•Definitions of cycle time•Cycle time trends in the semiconductor industry•Economic importance of cycle time •General strategies and theory for cycle time reduction•Case-studies in cycle time reduction
Apr. 19, 2007Leachman - Cycle Time3Definitions of related terms•Process flow –the series of manufacturing steps traversed by manufacturing lots of a particular product type or particular product family–In semiconductor fabrication, typically, lots are started containing 25 wafers of a single product•WIP (work-in-process) –the manufacturing lots in the factory not yet completed•Moves –the number of wafers passed through one or more manufacturing steps within a short time horizon such as a production shift–One move = one wafer completing one step
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