Method of performing measurement sampling of lots in a manufacturing process
US7895008B2 · kind B2 · utility
1Cited by
2References
22Claims
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Key dates
| Filing date | Mar 17, 2008 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | Jun 26, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P90/02
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method of performing measurement sampling in a production process includes passing a lot through a manufacturing process, employing a set of combinational logistics to determine if sampling is indicated and, if sampling is indicated, establishing a sampling decision. The method further requires querying a set of lot sampling rules to evaluate the sampling decision, evaluating a statistical quality of the process if no lot sampling rules exist, and automatically determining whether the lot passing through the production process requires sampling based on the combinational logistics, statistical quality and lot sampling rules.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.