Systems and methods for statistical process control
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United States of America Patent
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Jun 7, 2011
Grant Date -
May 18, 2006
app pub date -
Nov 17, 2004
filing date -
Nov 17, 2004
priority date (Note) -
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Abstract
A system for performing statistical process control. A storage device stores a plurality of SPC charts, specifying data collected from a system during testing. A controller categorizes the SPC charts into a plurality of groups based on characteristics thereof. A detector determines whether the charts in any of the groups violate a preset rule. An alarm generator generates alarm information identifying the chart violating the rule.
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