Method for improving a manufacturing process by conducting a full factorial experiment to optimize process variable settings
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United States of America Patent
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Jun 8, 2004
Grant Date -
Oct 17, 2002
app pub date -
Jan 31, 2001
filing date -
Jan 31, 2001
priority date (Note) -
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Abstract
A factorial experiment is conducted on a manufacturing process to generate a response matrix. The responses are used to calculate individual contrasts in a document as well as replicates effects. The contrast sums are also calculated and displayed in the document. The largest of the contrast sums are identified, and effects associated with those contrast sums are tested for significance using an end count method. The information from the process transformed into 'significant effects' information is used to adjust process variables to improve the manufacturing process by avoiding the effect or imparting it to a measurable response of the process.
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