Yield loss in manufacturing
[PDF File]Overall Yield of Processes
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Yield in the context of this paper is defined as process-inherent output (before any quality control, auditing or testing) that meets specifications or customer expectations. To keep the terminology simpler, this paper deals only with manufacturing despite the fact that the results are universally applicable. 1.2 Importance of Yield
[PDF File]SUGI 25: Data Warehousing for Manufacturing Yield Improvement
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OLAP capability for yield analysis. This system enables the user to compare yield loss rates, by failure code, component source, EC level, date of manufacture, etc. The system also shows the sensitivity of drive yield to each continuous in-line measurement, and predicts the yield improvement that would result from component process improvements.
[PDF File]2015 EDITION
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In the semiconductor industry, yield is represented by the functionality and reliability of integrated circuits produced on the wafer surfaces. During the manufacturing of integrated circuits yield loss is caused for example by defects, faults, process variations, and design. The relationship of defects and yield, and an appropriate yield
[PDF File]Production Losses: How to Find and Reduce Them
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loss map for the three OEE factors (Uptime, Speed, Quality). OEE is being used increasingly in industry because it takes the most common sources of manufacturing productivity losses and distills them into consistent metrics that are used to monitor and improve manufacturing operations. OEE is a hierarchy of metrics that can be used at the
[PDF File]Using Yielded Cost as a Metric for Modeling Manufacturing ...
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manufacturing divided by the number of assemblies that start the manufacturing process. One way to characterize the quality of a process is with yielded cost. Process yielded cost, CYtotal, characterizes the quality of the entire process under consideration and is defined as the total cost invested per assembly divided by the total process yield.
[PDF File]YIELD FORECASTING
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One of the significant detractors of cost in a modern manufacturing line is yield loss due to contamination and the time required to ramp-up the yield to profitable levels. Yield loss and its rate of change with time in a manufacturing line is deter-mined by the various attributes of fabrication, product, testing and failure analysis
[PDF File]Methods of Manufacturing Improvement Practice Examination ...
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(a) Assume the only yield loss mechanisms are violations of the specification limits at the three steps. What is the overall yield of the manufacturing technology? (b) Now suppose that in addition there is a yield loss mechanism of random defects. There is no inspection for such defects until testing after production is completed. Further ...
[PDF File]Technology Roadmap Barriers and Pathways for Yield ...
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Yield loss in steelmaking is a function of waste oxide production, slag formation, and in-plant scrap returns. In addition, off-spec steel that is returned from the customer represents a substantial yield loss since this product must be scrapped. Finally, the yield loss associated with the use of finished goods cannot be ignored; improvements in
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