SPC and Computer Automated Test Systems


Flori, Albert I.; Walters, Sherry K.   (1992, ASQC)   Motorola Codex, Mansfield, MA 02046

Annual Quality Congress, Nashville TN    Vol. 46    No. 0
QICID: 9856    May 1992    pp. 396-404
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Article Abstract

To compete in today's world market, companies must implement statistical methods in all phases of manufacturing. This means that companies must also consider the variability of their designs in relation to their suppliers andmanufacturing test processes.

The Capability study provides an opportunity to use statistical tools usually reserved for more traditional manufacturing processes. By using the automated test process to measure critical variable characteristics with controlchart methodology, the compilation of multiple groups' efforts can be evaluated simultaneously.Not only can we identify variability introduced in our manufacturing process, but we can also understand the interaction of our designs, materials, processes and testing on our products. Use of control chart theory and basic statistical problem solving in the automated test function is a powerful tool in the world market. Without understanding the variation that exists within our products and sources of that variation, quality standards set by the industry will be unattainable.


Capability study,Control charts,Manufacturing,Metrology,Statistical process control (SPC),Statistics,Testing

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